Raw coal alcohol group liquefaction process based on RSG engineering technical effect and thermal clean combustion method

文档序号:283840 发布日期:2021-11-23 浏览:30次 中文

阅读说明:本技术 一种基于rsg工程技术效应的原煤醇族液化工艺与热力清洁燃烧方法 (Raw coal alcohol group liquefaction process based on RSG engineering technical effect and thermal clean combustion method ) 是由 邓瑾君 于 2020-05-18 设计创作,主要内容包括:本发明公开了一种基于RSG工程技术效应的原煤醇族液化工艺与热力清洁燃烧方法,包括标准醇族燃料R单元1在一次合成气催化室30内装填耐温性醇族催化剂、循环合成气催化室34内装填耐硫性醇族催化剂解决能源清洁性;专用燃烧设备S单元2在醇族燃料专用燃烧装置20设有醇族燃料专用监控仪22二维模式监控火焰、醇族燃料专用燃料泵23高压精细雾化燃料、醇族燃料专用配风器24与热能转换中解决燃烧安全高效稳定性;强化燃烧工艺G单元3在红外线辐射盔甲38的周壁设有内再入重整通道40将部分烟气与鞘套混合被导入游离状态将NO-(X)分子亚解体重新结合变成CO-(2)、N-(2)O,专用烟气冷凝装置28将烟气冷凝与化学能释放中解决污控高效可靠经济性。(The invention discloses a raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect, which comprises the steps that a standard alcohol group fuel R unit 1 is filled with a temperature-resistant alcohol group catalyst in a primary synthesis gas catalysis chamber 30, and is filled with a sulfur-resistant alcohol group catalyst in a circulating synthesis gas catalysis chamber 34 to solve the problem of energy cleanliness; special combustion equipmentThe S unit 2 is provided with a special alcohol group fuel monitoring instrument 22 for monitoring flame in a two-dimensional mode, a special alcohol group fuel pump 23 for high-pressure fine atomized fuel, a special alcohol group fuel air distributor 24 and heat energy conversion in the special alcohol group fuel combustion device 20 for solving the problems of safe, efficient and stable combustion; the intensified combustion process G unit 3 is provided with a reforming passage 40 in the peripheral wall of the infrared radiation armor 38 to mix part of the flue gas with the sheath and introduce the mixture into a free state to convert NO into X Molecular sub-disintegration and recombination into CO 2 、N 2 And O, the special flue gas condensing device 28 is used for condensing the flue gas and releasing chemical energy, so that the pollution control is high-efficiency, reliable and economical.)

1. A raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect comprise that a standard alcohol group fuel R unit (1) formed by a raw coal liquefaction clean thermal combustion RSG engineering technical process route is transported by a pipeline and tank train or a tank car and is communicated with a special combustion equipment S unit (2), and an intensified combustion process G unit (3) is communicated with the special combustion equipment S unit (2) by heated equipment.

2. The RSG engineering technical effect-based raw coal alcohol group liquefaction process and thermal clean combustion method according to claim 1, characterized in that a benign superposition process route mode of the RSG engineering technology is adopted, a standard alcohol group fuel R unit (1) is used for converting coal into alcohol group liquid fuel, the problem of 'cleanness of coal energy' is solved, a special combustion device S unit (2) is used for supporting combustion of alcohol group fuel by matching a special combustion device with a heating device, the problem of 'safety, high efficiency and stability' of alcohol group fuel combustion is solved, and a thermal intensified combustion process 'coupled combustion and heating device' is adopted by an intensified combustion process G unit (3) to solve the problems of 'safety, stability, high efficiency, reliability and economy' of pollution control and heat exchange in the process of chemical energy release and conversion.

3. The standard alcohol group fuel R unit (1) according to claim 1, wherein the organic resource pool (4), the material preparation device (6) and the material gasification device (7) are communicated in sequence by a solid material conveying mechanism, the air separation device (5), the material gasification device (7) and the slag disposal system (10) are communicated in sequence by a gas and solid material conveying mechanism, the material gasification device (7), the raw synthesis gas CO conversion device (8), the heat recovery device (9), the low-temperature methanol washing system (11), the compressed synthesis gas buffer device (13) and the primary synthesis gas inlet (29) of the alcohol group fuel synthesis device (14) are communicated in sequence by a gas material conveying mechanism, the circulating synthesis gas outlet (35) and the circulating synthesis gas inlet (33) of the alcohol group fuel synthesis device (14) are communicated with the synthesis gas circulating device (15) by a gas material conveying mechanism, a two-way channel for circularly inputting and outputting the synthesis gas is formed, and the heat recovery device (9), the low-temperature methanol washing system (11), the methanol synthesis gas sulfur recovery device (12) and the purge gas combustion device (16) are respectively communicated with the material preparation device (6) through the gas material conveying mechanism to convey H2O+CO2A gaseous feed.

4. The alcohol fuel synthesizing device (14) according to claim 3, wherein the alcohol fuel synthesizing device (14) is provided with two synthesis gas catalyst chambers, and the primary synthesis gas catalyst chamber (30) is filled with a "temperature-tolerant alcohol" catalyst, and the recycle synthesis gas catalyst chamber (34) is filled with a "sulfur-tolerant alcohol" catalyst.

5. The specialized combustion facility S unit (2) according to claim 1, wherein the alcohol group fuel storage warehouse (17), the alcohol group fuel distribution warehouse (18) and the alcohol group fuel user storage warehouse (19) are in transportation communication by tank cars, and the alcohol group fuel specialized combustion device (20) is provided as an electromechanical integration device and is in communication with the alcohol group fuel user storage warehouse (19) by pipelines.

6. The special combustion device (20) for alcohol group fuel according to claim 5, wherein a special program controller (21) for alcohol group fuel, a special monitor (22) for alcohol group fuel, a special fuel pump (23) for alcohol group fuel, and a special air distributor (24) for alcohol group fuel are integrated with the device, and the output end of the special air distributor (24) for alcohol group fuel is communicated with the thermal inlet of the special heated device (25) for alcohol group fuel of the special combustion device S unit (2).

7. The alcohol group fuel special monitoring instrument (22) according to claim 6, wherein a two-dimensional logic mode sensor is provided to detect the 'position and presence/absence' state of the flame, and the signal is communicated with the alcohol group fuel special program controller (21) and the alcohol group fuel special monitoring instrument (22) through a cable.

8. The intensified combustion process G unit (3) according to claim 1, characterized in that the heated device combustion chamber (36) provided with the alcohol group fuel dedicated combustion device (20) and the alcohol group fuel dedicated heated device (25) has one end communicated with the alcohol group fuel dedicated air distributor (24) of the alcohol group fuel dedicated combustion device (20) and the other end communicated with the flue gas condensing device (28), and the space of the heated device combustion chamber (36) is coupled with the alcohol group fuel dedicated combustion device (20) to form an intensified combustion process (27) and a space for accommodating the re-entrant flue gas reforming device (26) structure.

9. The intensified combustion process (27) of claim 8 wherein an infrared radiation armor (38) is disposed parallel to the central axis of the alcohol fuel specialized heat receiving device (25), the tail end of the infrared radiation armor (38) is communicated with the heat receiving device combustion chamber (36), the head end is communicated with the alcohol fuel specialized combustion device (20), and the interior space forms a space for intensified combustion of the alcohol fuel specialized combustion chamber (37).

10. Infrared radiation armour (38) according to claim 9 in which the peripheral wall of the head end of the infrared radiation armour (38) is provided with an internal reentrant reformer channel (40) which connects the heated means combustion chamber (36) to the intensified combustion chamber (37) and from which the heated means combustion chamber (36) is re-introduced into the intensified combustion chamber (37) as part of the hot flue gases which are mixed with the sheath and introduced into the channel in which the free state gases are circulated.

11. The re-entrant flue gas reformer (26) according to claim 8, wherein the outer peripheral wall provided with the infrared radiation armour (38) and the inner peripheral wall of the combustion chamber (36) of the heat receiving means are provided with appropriate spaces, and the re-entrant high temperature flue gas reforming passage (39) is formed to communicate with the alcohol group fuel special combustion device (20) through the reforming flue gas duct (41), thereby forming a circulating flue gas duct in which the high temperature circulating flue gas participates in the premixing of the fuel flow, enhances the efficient combustion with low alpha value in the combustion chamber (37), and suppresses fouling and reduces reforming type reduction.

12. The flue gas condensing unit (28) according to claim 8, wherein the head end of the special flue gas condensing unit (28) is communicated with the heated device combustion chamber (36), a honeycomb type air condensing bundle pipe is arranged to support the concentrated discharge of heat exchange flue gas condensate of flue gas and air, and the tail end is directly emptied or connected with a chimney.

Technical Field

The invention relates to the technical field of raw coal liquefaction secondary clean energy and energy-saving emission-reduction clean thermal combustion, in particular to a raw coal alcohol family liquefaction process and a thermal clean combustion method based on RSG engineering technical effect.

Background

China is rich in coal, poor in oil and less in gas, the coal resource reserves account for the second world, the total consumption accounts for 50% of the whole world, the energy consumption structure accounts for 62%, the dependence of China on oil is up to 70% and natural gas is up to 45%, and the shortage of clean energy becomes a potential energy safety hazard in China in 2012. The problem of secondary energy of 'coal liquefied fuel' in coal water slurry engineering in China in the thermal combustion of small and medium industrial boilers and kilns is as follows: firstly, the problem of pollution of sulfur and silicate fuel of coal slurry is not solved in a physical mode; secondly, the traditional combustion technology only means that a large flue gas treatment system with huge heat combustion needs to make up for the technical defect of the components of the coal water slurry; thirdly, the special burning and heating device has environmental protection problem and can not meet the smoke emission index of '10 mmg/Nm' in the key pollution control area of China3、SO2 20mmg/Nm3、NOX 50mmg/Nm3"basic requirements.

GB16663-1996 alcohol-based liquid fuel designs industrial methanol material blending and blending secondary clean energy, and pilot test results of a thermal industrial boiler, a kiln and a civil catering stove make positive contributions to China replacing diesel and gasoline and eliminating raw coal, coal water slurry and biomass highly-polluted fuel, and reach the technical level of engineering application; however, if the traditional alternative engineering application is still adopted, the common problem that the system with lower heat energy efficiency has higher operation cost is necessarily delayed, and carbon steel series metals of a heating device are corroded, so that pressure-bearing equipment generates potential safety hazards, and the production cost of a pure industrial grade methanol chemical material is higher, and the price is greatly influenced by the chemical market, so that the application in the field of thermal combustion still has greater limitation; although China currently does not adopt a spurious formula of adding various heat increasing agents for solving the problem of low calorific value of alcohol-based fuel: waste gas, diesel, coal oil, tar, tire oil, kitchen waste oil and the like are added into alcohol-based fuel to improve heat productivity, nitric acid, ferrocene, potassium permanganate and the like are added into the alcohol-based fuel to improve chemical reaction speed aiming at the problem of corrosivity of flue gas condensate water, but SO is inevitably caused2、NOXDust emission exceeds standard or cleaning is lostFuel economy; therefore, the method is not capable of bearing the industrial significance of clean thermal combustion of the raw coal liquefaction secondary clean energy in the industrial field in China.

Therefore, it is necessary to develop secondary clean energy of coal which is suitable for the national conditions of China, rich in local resources, high in quality and low in price and develop an advanced clean combustion process technology of a safe, energy-saving and efficient environment-friendly system in time, and the RSG engineering is a short name of the clean thermal combustion system application technology of 'alcohol fuels' in coal liquefaction in China 'for multi-year practical precipitation technology', and the ideal target is to realize safe, environment-friendly, efficient and economic load-increasing type reduction of thermal combustion pollution of coal resources by virtuous superposition of 'standard clean fuels, special combustion equipment and enhanced combustion technology' aiming at the clean development of common raw coal; the technical aim is to make up for part of clean energy required by the rapid development of national economy in China and accelerate the scientization of engineering technology of the ecological environment restoration system; RSG engineering technology has been carried out extensive engineering practice and application in the field of thermal combustion such as middle and small industrial boiler furnaces, mine heating and the like in China, and aims to create a scientific and advanced system engineering technical system for the clean application of coal resources in China.

Disclosure of Invention

The invention aims to solve the technical problems that aiming at the defects of the coal water slurry fuel and the alcohol-based fuel active engineering technology, a scientific and advanced industrialization technical system is created for the clean application of coal resources, a preparation process of raw coal liquefied alcohol group fuel and alcohol group liquid fuel for a furnace are provided, and the problem of coal energy cleanliness is solved; a special combustion and heating device and a special process technology for alcohol fuels, which solve the problems of safe combustion, high efficiency and stability; an intensified combustion technology for alcohol fuel is disclosed, which can solve the problem of safety, stability, high efficiency, reliability and high economy in pollution control and heat exchange.

The design of the invention is as follows: a process for preparing the alcohol fuel from raw coal and the alcohol fuel used in furnace features that the raw coal and organic substance are pyrolyzed and gasified to obtain CO and H2Removing silicate solid substances in the materials in a physical mode by using the mixed gas, carrying out bath separation on the mixed gas,from "H2S, synthesizing sulfur by using gas, chemically recovering sulfur substances in materials, preparing crude synthesis gas, catalytically synthesizing clean energy of alcohol group liquid fuel by using the crude synthesis gas, and achieving the aims of solving the fundamental energy cleanliness and economy in the production process of converting coal into series of alcohol group standard liquid fuel products by using a standard alcohol group fuel R unit in a technical superposition mode; a special combustion and heating device and process technique for alcohol group fuel, which is characterized in that a professional logistics unit undertakes that a user of alcohol group fuel transportation configures devices and fire-fighting facilities such as special storage of alcohol group fuel and safe transportation in front of a furnace, ensures the safety of the alcohol group fuel in the transportation, storage and use links, a special alcohol group fuel program controller of the special alcohol group fuel combustion device receives and edits a combustion operation program which is suitable for various working conditions of a heating device, realizes high adaptability of the special combustion device, continuously monitors the working conditions of alcohol group fuel combustion flame in a two-dimensional logic mode by a special alcohol group fuel monitor, realizes the consistency of the combustion flame and a detection output signal, ensures the correctness of a command sent by the special alcohol group fuel program controller and the safety of a system operation, and supports high-pressure fine atomization of the alcohol group fuel by a special alcohol group fuel pump, the alcohol group fuel premixing combustion system has the advantages that high uniformity and more sufficiency of alcohol group fuel premixing fuel flow are achieved, high stability of an alcohol group fuel combustion airflow field is guaranteed, the 'tertiary air' form of the alcohol group fuel special air distributor is matched with 'high-pressure fine' atomization and suspension type premixing strengthening combustion of fuel, combustion supporting of the premixing fuel flow is supported, the fuel premixing is more sufficient, the combustion speed is high, the extremely high fuel burnout rate is guaranteed, and the key combustion safety, high efficiency and stability goals of a special combustion device S unit in matching with a heating device to support fuel combustion and heat energy conversion are achieved in a technical superposition mode; an intensified combustion technology for alcohol fuel features that the intensified combustion equipment is used to generate accumulation-induced energy level transition effect, the combustion heat energy is compressed to infrared electromagnetic band and the radiation is used as main heat exchange to ensure high combustion rate and high combustion efficiencyOxygen-deficient free oxygen-enriched secondary intensified combustion realizes the suppression and reduction of NO by the particle thermal ionization of fuel to form an ion sheathX、CO2The stability of ultralow discharge parameters of the flue gas is ensured, the special flue gas condensing device supports the multi-effect flue gas condensing air heat exchange, the concentrated discharge of flue gas condensed water is realized, the equipment is effectively prevented from being corroded, the system energy efficiency is further improved, and the aims of solving the core pollution control and heat exchange safety, stability, high efficiency, reliability and economy in the chemical energy release and conversion process of a thermal enhanced combustion process coupled combustion and heating device of the enhanced combustion process G unit are fulfilled.

The technical scheme adopted for solving the technical problems of the invention is to provide a raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect, which comprises a standard alcohol group fuel R unit, a point-to-point fuel supply mode and a basic process technical structure, wherein the standard alcohol group fuel R unit is communicated with a special combustion device S unit through a pipeline and tank train or tank automobile transportation, the point-to-point fuel supply mode is facilitated, and the reinforced combustion process G unit is communicated with the special combustion device S unit through a heated device to form the raw coal liquefied clean alcohol group fuel.

Preferably, a raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect, a standard alcohol group fuel R unit undertakes conversion of coal into alcohol group liquid fuel, the problem of 'coal energy cleanliness' is solved, a special combustion device S unit undertakes combustion of special combustion devices matched with heating devices to support combustion of the alcohol group fuel, the problem of 'alcohol group fuel combustion safety, high efficiency and stability' is solved, a reinforced combustion process G unit undertakes a thermal reinforced combustion process 'coupled combustion and heating devices' in the process of chemical energy release and conversion, the problem of 'pollution control and heat exchange safety, stability, high efficiency, reliability and economy' is solved, and a typical raw coal liquefaction clean thermal combustion RSG engineering technology can be in a benign superposition process route mode.

Preferably, the standard alcohol group fuel R unit comprises a raw coal liquefied alcohol group fuel preparation toolThe alcohol group liquid fuel for the process and furnace is provided with an organic resource library, a material preparation device and a material gasification device, and is communicated in sequence by a solid material conveying mechanism to form a one-way channel for storing, preparing, conveying and inputting solid organic matters; the air separation device, the material gasification device and the slag disposal system are communicated in sequence by a gas and solid material conveying mechanism to form a one-way channel for preparing and inputting oxygen and outputting slag; the device comprises a material gasification device, a crude synthesis gas CO conversion device, a heat recovery device, a low-temperature methanol washing system, a compressed synthesis gas buffer device and a primary synthesis gas inlet of an alcohol group fuel synthesis device, which are communicated in sequence by a gas material conveying mechanism to form a one-way channel for regulating and conveying synthesis gas; the device comprises a circulating synthesis gas outlet and a circulating synthesis gas inlet of an alcohol group fuel synthesis device, and a synthesis gas circulating device, wherein the circulating synthesis gas outlet and the circulating synthesis gas inlet are communicated with the synthesis gas circulating device through a gas material conveying mechanism to form a two-way channel for circulation regulation, input and output of synthesis gas; the heat recovery device, the low-temperature methanol washing system, the methanol synthesis gas sulfur recovery device and the purge gas combustion device are respectively provided with a gas material conveying mechanism communicated with the material preparation device for conveying H2O+CO2The low-temperature methanol washing system is provided with a group of pipelines with one-way output and communicated with a methanol synthesis gas sulfur recovery device and used for conveying H2S gas, combustion H by means of split-flow2S gas is recovered, the methanol synthesis gas sulfur recovery device is provided with a group of pipelines with one-way output and communicated with a crude synthesis gas CO conversion device for conveying CO2Gas, benefit to self-production of CO by utilization system2Gas, make up for CO conversion to CO + H2O⇋CO2+H2The process part changes the requirements of partial balance, reduces the cost of production raw materials, and forms a typical coal liquefaction alcohol group liquid fuel process technical structure.

Preferably, the alcohol fuel synthesis device is provided with two synthesis gas catalysis chambers, and a temperature-resistant alcohol catalyst is filled in the primary synthesis gas catalysis chamber, so that the catalytic rate and the service life of the catalyst are improved, the alcoholization capacity of the primary synthesis gas is increased, and the aim of reducing the production cost is fulfilled; the sulfur-tolerant alcohol group catalyst is filled in the circulating synthesis gas catalysis chamber, so that the catalytic performance of multiple types of selective alcohol groups of the circulating synthesis gas is improved, the sulfur dioxide poisoning of the catalyst of the high-sulfur component synthesis gas is resisted, the alcoholization production performance of the circulating synthesis gas is further increased, and the aim of further reducing the production cost is fulfilled.

Preferably, the alcohol group fuel outlet is communicated with a product buffer storage tank in the production area through a pipeline, is beneficial to continuous conveying in the production link, is transported by a pipeline and tank train or a tank car, is beneficial to intermittent conveying in the use link, is communicated with the alcohol group fuel storage tank fuel inlet of the special combustion equipment S unit, is designed into a mechanical and electrical integration device, is beneficial to improving the stability of the special combustion device, is communicated with an alcohol group fuel user storage tank through a pipeline, and is used for conveying alcohol group fuel applied in front of a furnace.

A special combustion equipment S unit of a raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect comprises special combustion and heating equipment and process technology for alcohol group fuel, and is provided with an alcohol group fuel storage warehouse, an alcohol group fuel distribution warehouse and an alcohol group fuel user storage warehouse which are communicated by tank automobile transportation; the special combustion equipment for alcohol group fuel is designed into an integrated device of electromechanical integration, and a pipeline, a communication line and a power cable which are communicated with a user stock bank of the alcohol group fuel, and the output end of the special air distributor for the alcohol group fuel is communicated with the thermal power inlet of the special heating device for the alcohol group fuel of the special combustion equipment S unit to form a typical special combustion equipment 'preparation coupling' combustion alcohol group liquid fuel process technical structure.

Preferably, the special alcohol fuel combustion device is provided with a special alcohol fuel program controller integrated with the device in the aspect of safety automatic control, so that the physical and chemical parameters of an alcohol fuel series are matched with the working condition requirement of a heating device, and the programmable form inputs the parameter value capable of special operation, thereby achieving the purposes of improving the operation safety, stability and reliability of a thermal combustion system and having wider adaptability; in the aspect of flame safety inspection, a special alcohol fuel monitor is integrated with the machine, a thermoelectric potential value detected by a combustion flame field is converted into a quantum beam value to be output, the position, the existence and the non-existence of continuous flame in a two-dimensional logic mode are detected, the consistency of random combustion flame working conditions and detection output signals is achieved, and the signals are communicated with a special alcohol fuel program controller and the special alcohol fuel monitor through cables to ensure the correctness of a safety command sent by the special alcohol fuel program controller; in the aspect of fuel atomization, a special fuel pump for alcohol group fuel is integrated with the machine, the adverse effect of 'volume regulation + cavitation effect of high-pressure delivery' on the stability of the special atomizing pump is balanced by a positive displacement structure, and the motion sealing performance and the service life of a part loading potential energy are improved by a bionic flexible interference sliding fit and metabolic form self-repairing motion abrasion technology, so that the purposes of outputting the pressure, flow, accuracy and stability of alcohol group fuel media and adjusting are achieved, and the operation stability of special combustion equipment is improved; the output end of the special air distributor for the alcohol group fuel is communicated with the thermal power inlet of a special heating device for the alcohol group fuel of a special combustion device S unit, a premixed fuel flow formed by tangentially mixing primary air and a fuel atomization angle is arranged, secondary air is tangentially mixed with premixed flame to cause spiral vortex to participate in combustion-supporting intensified combustion, tertiary air is mixed with fuel particles dissociating at a vortex boundary, an intensified combustion chamber is matched to excite oxygen-deficient dissociating oxygen-enriched secondary intensified combustion at high temperature to realize secondary intensified combustion, the purposes of improving the fuel burnout rate, constructing a sheath lining with an external reentry effect for ultralow emission or near zero emission and establishing a coupled basic structure condition for pollution control of the heating device are achieved.

A raw coal alcohol group liquefaction process and a reinforced combustion process G unit of a thermal clean combustion method based on RSG engineering technical effect comprise an alcohol group fuel reinforced combustion process technology, wherein a special alcohol group fuel combustion device is communicated with various inputs of a special alcohol group fuel heating device and is used for conveying materials; one end of a heating device combustion chamber of the special alcohol group fuel heating device is communicated with a special alcohol group fuel air distributor of the special alcohol group fuel combustion device for receiving combustion heat energy, and the other end of the heating device combustion chamber is communicated with a flue gas condensing device for receiving flue gas; the space of the heating device combustion chamber is coupled with the special combustion device for the alcohol family fuel, and is used for organizing an alcohol family fuel reinforced combustion process base structure to form a typical reinforced combustion process and a space for accommodating a re-entering type flue gas reforming device structure.

Preferably, in the intensified combustion process, in the aspect of the coupling intensified combustion process of the special heating device for the alcohol group fuel, an infrared radiation armor is arranged in parallel to the central axis of the special heating device for the alcohol group fuel, the tail end of the infrared radiation armor is communicated with a combustion chamber of the heating device, the head end of the infrared radiation armor is communicated with the special combustion device for the alcohol group fuel, the internal space forms a space for fuel heat accumulation combustion of the intensified combustion chamber, wherein the space is formed by radiating heat energy to excite fuel particles subjected to oxygen-enriched secondary intensified combustion to perform thermal ionization to form an ion sheath type fuel heat accumulation combustion space of the intensified combustion chamber, and after the heat storage level of the armor body reaches transition, the purpose of releasing heat to the heating device and forming the fuel intensified combustion chamber is achieved by radiating heat energy in an infrared band, so that the fuel burnout rate and the heat energy efficiency of the heating device are improved, and a typical intensified combustion structure with RSG high-temperature oxygen-deficient excitation gain effect is formed.

Preferably, the intensified combustion process is provided with a reentry type flue gas reforming device for reducing NO in the aspect of pollution control of the special combustion device for the coupled alcohol group fuel of the special heating device for the alcohol group fuelXThe tail end of the infrared radiation armor is communicated with a combustion chamber of a heated device, and the head end of the infrared radiation armor is communicated with a special combustion device for alcohol group fuel, so that the fuel particle thermal ionization of oxygen-enriched secondary intensified combustion of the fuel excited by the infrared band radiation heat energy is realized, the purpose of tending to plasma state high-speed combustion and forming an ion sheath is achieved, a typical intensified combustion high-temperature area structure is formed, and the basic condition of high-temperature physical reaction is created for pollution control.

Preferably, the peripheral wall of the head end of the infrared radiation armor is provided with an internal reentry reforming channel for communicating a combustion space and an intensified combustion chamber with the combustion space for conveying ultrahigh-temperature flue gas, and the heated device combustion chamber and the intensified combustion chamber are communicated by the internal reentry reforming channel to serve as a channel for circulating gas, so that part of the high-temperature flue gas enters the intensified combustion chamber from the internal reentry reforming channel to be mixed with the sheath to be guided into a free state to mix NO with the sheathXThe molecules are decomposed to make part of oxygen molecules participate in C, CO and H with higher activity2The compound burns in a free state to reach N2O3When the oxygen covalent bond is sub-broken, it is timely sub-bound by other molecules or atoms, and the competitive reaction becomes a new substance, such as C atom changing from new combination to CO2、N2The purpose of O is to create a place for chemical reaction for pollution control, and form a load-increasing type to inhibit and reduce smoke pollutants.

Preferably, the outer peripheral wall of the infrared radiation armor and the inner peripheral wall of the combustion chamber of the heated device are provided with proper spaces to form a high-temperature flue gas re-entering reforming channel, a reforming flue gas delivery pipe is communicated with the special combustion device for the alcohol fuel, and part of high-temperature circulating flue gas is delivered to realize the premixing of the high-temperature circulating flue gas participating in fuel flow, so that the aims of strengthening the efficient combustion with low alpha value in the combustion chamber, inhibiting pollution and reducing the heat loss of the flue gas are fulfilled, the utilization rate of the combustion improver is improved, and the heat loss of the flue gas is reduced.

Preferably, the head end of the special flue gas condensing device is communicated with the combustion chamber of the heating device, the tail end of the special flue gas condensing device is directly emptied or connected with a chimney of the special heating device for alcohol group fuel, and a honeycomb type air condensing bundle pipe is arranged to support heat exchange between flue gas and air, so that concentrated emission of flue gas condensate water is realized, the aims of reducing white smoke plume, preventing equipment from being corroded and further improving system energy efficiency are achieved, flue gas pollutants are cured radically in a synergistic manner, and the problem that the condensate water corrodes the heating device is solved.

The invention has the following beneficial effects: the invention provides a coal liquefaction alcohol group fuel preparation process and furnace alcohol group liquid fuel of a raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect, the fundamental energy cleanness problem is solved by a standard alcohol group fuel R unit, and a coal alcohol group chemical technological process route is used for producing low-carbon alcohol group CH4O ~ C4H10The O clean liquid fuel can be widely suitable for 90% of raw coal varieties in China, the catalytic yield can be improved by more than 30% by overlapping the special catalytic technology and the mixed alcohol catalytic process, the production cost of the product can be reduced by more than 20% by using methanol with the same proportion, the standard calorific value of the alcohol group product is 20.93MJ approximately equal to 5000 kcal/kg-29.30 MJ approximately equal to 7000kcal/kg, and the O clean liquid fuel can completely meet the requirement of' thermal fire of a boiler kiln in the industrial fieldFlame combustion' with clean liquid fuel specification requirements; a special combustion and heating device and process technology for alcohol fuel, solves the key problems of combustion safety, high efficiency and stability by a special combustion device S unit, a special program controller can programmably support the special fuel pump for alcohol fuel and the special operation parameter value of a heating device to be synchronous, and the burnout rate of the fuel can be promoted to be more than 99%; the flame is continuously monitored in a two-dimensional logic mode, so that the correctness, safety and stability of combustion program control are ensured; the tertiary air special air distributor is coupled with the heating device and is matched with a reinforced combustion process to construct an ultralow-emission or near-zero-emission structure, the design specification of the special combustion and heating series equipment product can reach 2100MW/h, and the key technical requirements of the special equipment for the thermal flame combustion of the boiler and kiln in the industrial field can be completely met; an alcohol group fuel intensified combustion process technology solves the core problems of safety, stability, high efficiency, reliability and economy of pollution control and heat exchange by an intensified combustion process G unit, infrared radiation armor realizes radiation transfer heat energy with energy level jump, and the energy efficiency of a system is promoted to be more than 93%; the smoke enters the special combustion device coupled with the intensified combustion chamber and is mixed with the sheath to be combusted in a free state, so that the initial concentration of the smoke is promoted to be discharged until the dust is less than or equal to 10mg/Nm3、SO2≤20mg/Nm3、NOXThe index of ultralow emission less than or equal to 30mg can completely meet the requirement of the extreme protection core index of thermal flame combustion in all parts of the world at present.

Drawings

FIG. 1 is a process flow diagram of a raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect.

FIG. 2 is a schematic cross-sectional view of an alcohol fuel synthesis plant for a standard alcohol fuel R unit process of the present invention.

FIG. 3 is a schematic cross-sectional view of a heating apparatus dedicated for alcohol group fuel in the G unit of the intensified combustion process of the present invention.

In the figure: 1. the system comprises a standard alcohol group fuel R unit 2, a special combustion device S unit 3, an intensified combustion process G unit 4, an organic resource library 5, an air separation device 6, a material preparation device 7, a material gasification device 8, a crude synthesis gas CO conversion device 9, a recovery device 10, a slag disposal system 11, a low-temperature methanol washing system 12, a methanol synthesis gas sulfur recovery device 13, a compressed synthesis gas buffer device 14, an alcohol group fuel synthesis device 15, a synthesis gas circulation device 16, a purge gas combustion device 17, an alcohol group fuel storage bank 18, an alcohol group fuel distribution bank 19, an alcohol group fuel user storage bank 20, an alcohol group fuel special combustion device 21, an alcohol group fuel special program controller 22, an alcohol group fuel special monitor 23, an alcohol group fuel special fuel pump 24, an alcohol group fuel special air distributor 25, an alcohol group fuel special heating device 26, a reentrant flue gas reforming device 27, an intensified combustion process device 28, a flue gas condensation device 29, a primary synthesis gas inlet 30, a primary synthesis gas inlet, a secondary synthesis gas outlet, a secondary combustion device, a secondary synthesis gas outlet, a secondary combustion device, a secondary combustion The device comprises a gas-generating catalytic chamber 31, an alcohol-mixing stabilizing bin 32, an alcohol fuel outlet 33, a circulating synthesis gas inlet 34, a circulating synthesis gas catalytic chamber 35, a circulating synthesis gas outlet 36, a heated device combustion chamber 37, an intensified combustion chamber 38, infrared radiation armors 39, smoke re-entering reforming channels 40, re-entering reforming channels 41 and reforming smoke conveying pipes.

Detailed Description

In order to make the technical scheme of the present invention better understood, the raw coal alcohol group liquefaction process and the thermal clean combustion method based on the technical effect of RSG engineering proposed by the present invention are further described in detail below with reference to the accompanying drawings and an embodiment.

Referring to fig. 1, the embodiment discloses a raw coal alcohol group liquefaction process and a thermal clean combustion method based on RSG engineering technical effect, which comprises a standard alcohol group fuel R unit (1) for liquefying coal into low-carbon alcohol group CH commonly used in the industrial field4O ~ C4H10O clean energy is communicated with the special combustion equipment S unit (2) by pipeline and tank train or tank automobile transportation; the special combustion equipment S unit (2) applies special combustion and heated equipment aiming at the characteristics of alcohol group fuel to improve the safety and burn-out rate of fuel use, is coupled with a reinforced combustion process and establishes a condition of pollution control high-temperature physical reaction; the intensified combustion process G unit (3) is communicated with the special combustion equipment S unit (2) through heated equipment, is used for transmitting heat energy aiming at the infrared radiation of the characteristics of alcohol group fuels, improves the heat energy efficiency of a heated device, is coupled with a special combustion device, and constructs a place for pollution control high-temperature chemical reaction; the formed clean alcohol fuel is liquefied from raw coalThe basic process technology structure that the alcohol fuel is safely, reliably and efficiently combusted by using equipment, the energy of the alcohol fuel is strengthened and converted stably and efficiently, and the smoke is discharged in an ultralow way is a process technology route system with benign superposition effect of a typical clean thermal combustion RSG engineering technology.

Referring to fig. 1 and 2, the standard alcohol group fuel R unit (1) uses a raw coal liquefaction clean thermal combustion RSG engineering process route to convert coal into alcohol group liquid fuel, and solves the problem of "coal energy cleanliness", and includes an organic resource library (4), a material preparation device (6) for preparing organic solid material, and a material gasification device (7) for producing gaseous material, and the solid material conveying mechanisms are communicated in sequence to form a one-way channel for storing, preparing, conveying and inputting solid organic materials; the air separation device (5) separates O in the air2The material gasification device (7) is used for generating gaseous materials and separating silicate substances in coal organic materials and is communicated with the slag disposal system (10) in sequence by a gas and solid material conveying mechanism to form a one-way channel for oxygen input and slag output; the raw synthesis gas generated by the material gasification device (7) is subjected to gas component adjustment by a raw synthesis gas CO conversion device (8), the heat recovery device (9) is used for generating power by using the heat energy generated by CO conversion and providing the heat energy required by material preparation, the low-temperature methanol washing system (11) is used for separating sulfide, the compressed synthesis gas buffer device (13) is used for generating potential energy and is communicated with a primary synthesis gas inlet (29) of an alcohol group fuel product synthesized by a catalyst of the alcohol group fuel synthesis device (14) in sequence by a gas material conveying mechanism to form a one-way channel for conveying the synthesis gas; a circulating synthesis gas outlet (35) and a circulating synthesis gas inlet (33) of the alcohol group fuel synthesis device (14) are communicated with the synthesis gas circulating device (15) through a gas material conveying mechanism to form a two-way channel for circulating input and output of synthesis gas, and the two-way channel is used for circulating conveying of the synthesis gas; the heat recovery device (9), the low-temperature methanol washing system (11), the methanol synthesis gas sulfur recovery device (12) and the purge gas combustion device (16) are respectively provided with a gas material conveying mechanism communicated with the material preparation device (6) for conveying H2O+CO2A gaseous feed.

Wherein the low-temperature methanol washing system (11) is provided with two groups of pipelines with one-way output, communicated with the crude synthesis gas CO conversion device (8) and the material preparation device (6) and used for conveying CO2And H2O steam gas, CO to be interfered2And H2The O gas is sent to a material preparation device (6) and is used for carrying out CO production by a material gasification device2+H2The O + C pyrolysis reforming treatment is also provided with a group of pipelines with one-way output which are communicated with a methanol synthesis gas sulfur recovery device (12) and used for conveying H2And (4) S gas.

The synthesis gas circulating device (15) is provided with a group of pipelines with one-way output, communicated with the purge gas combustion device (16) and used for conveying purge mixed gas; the purge gas combustion device (16) is provided with a pipeline with one-way output, is communicated with the raw synthesis gas CO conversion device (8) and the material preparation device (6), and is used for conveying CO2Gas, will interfere with CO2The gas is sent to a material preparation device (6) and is used for carrying out CO production by a material gasification device2+H2And (4) carrying out pyrolysis reforming treatment on the O + C.

The alcohol fuel synthesis device (14) is provided with two synthesis gas catalysis chambers, and a temperature-resistant alcohol catalyst is filled in the primary synthesis gas catalysis chamber (30), so that the service life of the catalyst is prolonged, the catalyst is used for catalyzing high-temperature synthesis gas to synthesize an alcohol fuel product, and the alcoholization capacity of the primary synthesis gas is increased; the sulfur-tolerant alcohol group catalyst is filled in the circulating synthesis gas catalytic chamber (34), which is beneficial to prolonging the service life of the catalyst and catalyzing the circulating synthesis gas to synthesize alcohol group fuel products, so that the selective alcohol group multi-variety catalytic performance of the circulating synthesis gas is improved, the sulfur dioxide poisoning of the catalyst of the high-sulfur component synthesis gas is resisted, the further increase of the alcoholization production energy of the circulating synthesis gas is realized, the sulfur-tolerant alcohol group catalyst is beneficial to the alcohol group fuel synthesis device (14), the catalytic efficiency and the productivity are improved, and the production cost is reduced.

The alcohol group fuel outlet (32) is communicated with the production area buffer storage tank through a pipeline, and then is communicated with the fuel inlet of an alcohol group fuel storage tank (17) of the special combustion equipment S unit (2) through a pipeline and tank train or a tank automobile, so that the alcohol group fuel storage tank is beneficial to large-scale point-to-point supply.

Referring to fig. 1, the special combustion device S unit (2) uses a raw coal liquefaction clean thermal combustion RSG engineering process route, and a heated device contained in the special combustion device is responsible for solving the problems of safety, high efficiency and stability of clean combustion of alcohol group liquid fuel, and includes an alcohol group fuel storage bank (17) for large-scale storage of alcohol group fuel, an alcohol group fuel distribution bank (18) for small-scale storage of alcohol group fuel, and an alcohol group fuel user storage bank (19) for end users to store alcohol group fuel, wherein the alcohol group fuel is transported and communicated by a tank vehicle, and is beneficial to dispersive small-scale point-to-point supply; the special combustion device (20) for the alcohol fuel is used for safe and efficient combustion of the alcohol fuel, is designed as an electromechanical integrated device, is beneficial to automatic control, and is provided with a pipeline communicated with a user stock bank (19) for the alcohol fuel.

The special combustion device (20) for the alcohol group fuel is provided with a special program controller (21) for the alcohol group fuel to be integrated with the device in the aspect of safety automatic control, and is beneficial to the automatic program communication between the combustion machine and a centralized control center.

The special combustion device (20) for the alcohol group fuel is provided with a special two-dimensional logic monitor (22) for the alcohol group fuel, which is integrated with the device in the aspect of flame safety check, and is beneficial to ensuring the reliability and safety of flame detection of a combustion system.

The special combustion device (20) for the alcohol group fuel is provided with a special fuel pump (23) for the alcohol group fuel, and is integrated with the device in the aspect of fuel atomization, so that the stability of the working pressure of the atomizer for the alcohol group fuel is favorably ensured.

Wherein, the special combustion device (20) for the alcohol group fuel is provided with a special air distributor (24) for the alcohol group fuel and is integrated with the machine in the aspect of combustion supporting and air distribution; the output end of the special air distributor (24) for the alcohol group fuel is communicated with the thermal power inlet of the special heating device (25) for the alcohol group fuel of the special combustion equipment S unit (2) and is used for inputting premixed fuel flow.

Referring to fig. 1 and 3, the reinforced combustion process G unit (3) adopts a raw coal liquefaction clean thermal combustion RSG engineering process route, undertakes the infrared radiation of the alcohol group liquid fuel to transfer heat energy, and is coupled with a combustion device to solve the problems of energy reinforced conversion of the alcohol group fuel and energy saving and emission reduction of flue gas pollutants, and includes that the technical support of a special combustion device (20) for the alcohol group fuel is communicated with various inputs of a special heating device (25) for the alcohol group fuel; one end of a heating device combustion chamber (36) of the special alcohol group fuel heating device (25) is communicated with a special alcohol group fuel air distributor (24) of the special alcohol group fuel combustion device (20) for organizing the shape of flame, and the other end is communicated with a flue gas condensing device (28); the space of the heating device combustion chamber (36) is coupled with the special combustion device (20) for the alcohol group fuel to form a space for strengthening the combustion process (27) and accommodating the structure of the re-entering type flue gas reforming device (26).

The re-entering type flue gas reforming device (26) is used for reforming flue gas, an infrared radiation armor (38) is arranged for constructing an intensified combustion chamber, an inner re-entering reforming channel (40) is arranged at the head end of the infrared radiation armor (38) and used for forming a flue gas reforming place, and the heated device combustion chamber (36) and the intensified combustion chamber (37) are communicated into a gas circulating movement channel through the inner re-entering reforming channel.

The special heating device (25) for the alcohol group fuel is used for receiving chemical heat energy generated by combustion of the alcohol group fuel, in the aspect of an intensified combustion process, an infrared radiation armor (38) is arranged in the body and is parallel to the central axis of the special heating device (25) for the alcohol group fuel, the inner space of the infrared radiation armor (38) forms an intensified combustion chamber (37) to form a fuel heat-gathering combustion space, and after the heat storage energy level of the armor body reaches transition, heat energy is transmitted by infrared band radiation, so that heat is released to the heating device, and the fuel intensified combustion chamber is formed.

The special heating device (25) for the alcohol group fuel is provided with a reentry type flue gas reforming device (26) matched with the pollution control aspect of the special combustion device (20) for the alcohol group fuel in the aspect of intensified combustion process, the tail end of the infrared radiation armor (38) is communicated with a combustion chamber (36) of the heating device, and the head end of the infrared radiation armor is communicated with the special combustion device (20) for the alcohol group fuel to form infrared waveband radiation heat energy to excite the thermal ionization of fuel particles of oxygen-deficient free oxygen-enriched secondary intensified combustion, so that the purpose of forming an ion sheath by tending to plasma state high-speed combustion is achieved, and a high-temperature tool for reducing pollutants is established.

Wherein, the peripheral wall of the head end of the infrared radiation armor (38) is provided with an internal reentry reforming channel (40) which is beneficial to the production of the complete equipment, and the heating device combustion chamber (36) is communicated with the intensified combustion chamber (37) as a channel with gas capable of circularly moving, thereby realizing that part of flue gas enters the reforming channel (40) from the inside and then enters the intensified combustion chamber (37) to be mixed with the sheath to be led into a free state to lead NOXThe molecule is decomposed to carry out N times of combustion, wherein part of oxygen molecules participate in C, CO and H with higher activity2Free state combustion for reaching N2O3When the oxygen covalent bond is sub-broken, it is sub-bound by other molecules or atoms, and the competing reaction becomes a new substance, e.g. C atom changes from new binding to CO2、N2And (4) purpose of O.

The outer peripheral wall of the infrared radiation armor (38) and the inner peripheral wall of the combustion chamber (36) of the heating device are provided with proper spaces, smoke formed into a smoke re-entering reforming channel (39) is communicated with the special combustion device (20) for alcohol group fuel through a reforming smoke conveying pipe (41), part of circulating smoke is conveyed, the circulating smoke participates in premixing of fuel flow, and the purposes of efficient combustion with a low alpha value of 1.01 in the combustion chamber (37) and pollution suppression and reforming type reduction are achieved.

The head end of the special flue gas condensing device (28) is communicated with the heating device combustion chamber (36), the tail end of the special flue gas condensing device is directly emptied or connected with a chimney of the special heating device (25) for alcohol group fuel, and a honeycomb type air condensing beam tube is arranged to support heat exchange between flue gas and air, so that concentrated emission of flue gas condensate water is realized, and the aims of reducing white smoke plume, preventing equipment from being corroded and further improving system energy efficiency are fulfilled.

The operation process of the raw coal alcohol group liquefaction process and the thermal clean combustion method based on the RSG engineering technical effect is as follows.

The standard alcohol group fuel R unit (1) liquefies the alcohol group liquid fuel by using the solid organic matters.

Referring to fig. 1, the channel of the head end resource is preferably open pit coal mine and pithead mine in sequenceOrganic matters in raw coal and agricultural reclamation areas are classified and input into an organic resource library (4), and are metered and conveyed by a solid material conveying mechanism to enter a material preparation device (6) for routine preparation; the materials meeting the process requirements are input into a material gasification device (7) through a solid material conveying mechanism for pyrolysis and gasification; CO from a heat recovery device (9), a low-temperature methanol washing system (11), a methanol synthesis gas sulfur recovery device (12) and a purge gas combustion device (16)2 +H2And O carbon dioxide and water vapor are used as partial gasifying agents and sent into a material gasification device (7) to carry out pyrolysis gasification reaction with hot materials to produce crude mixed gas.

O2 oxygen prepared by the air separation device (5) is introduced into the material gasification device (7) by the gas material conveying mechanism, and is used as a part of gasification agent to carry out pyrolysis gasification reaction with the glowing material sent into the material gasification device (7), the rest silicate mixed solid material after pyrolysis is conveyed into the slag disposal system (10) by the solid material conveying mechanism, and the produced lightweight building material product is sold in the social market, so that the secondary pollution of the slag in the production process and the comprehensive utilization of waste are eradicated; the first objective of the chemical reaction section is to remove silicate substances, so that the flue gas and dust emission index of the downstream clean fuel product in thermal combustion meets the requirement of environmental protection.

The raw mixed gas from the material gasification device (7) is subjected to CO + H by a raw synthesis gas CO shift device (8)2O ⇋CO2+H2The process is changed to achieve the balance of the process parameters of the crude synthesis gas; the crude synthesis gas replaces partial heat energy through a heat recovery device (9), the heat power is removed to generate electricity and provide the heat energy required by material preparation, and partial steam is used as CO2+H2A main gasification agent for O + C pyrolysis reforming; the crude synthesis gas is subjected to CO removal in the shift gas by a low-temperature methanol washing system (11)2、H2S and organic sulfur impurities, and simultaneously removing saturated water brought in the converted gas, wherein the low-temperature methanol washing system (11) is provided with a group of pipelines with one-way output and communicated with a methanol synthesis gas sulfur recovery device (12) for conveying H2S gas combustion H by split-flow method2S gas recovery sulfur, qualified primary synthesis gas transmissionEntering a compressed synthesis gas buffer device (13); the heat recovery device (9), the low-temperature methanol washing system (11) and the methanol synthesis gas sulfur recovery device (12) are in interference with CO2、H2The O gas is sent to a material preparation device (6) and is subjected to CO production by a material gasification device2+H2Carrying out O + C pyrolysis reforming treatment; the first objective of the chemical reaction section is to remove S organic sulfur species, SO that the downstream clean fuel product is in the flue gas SO of the thermal combustion2The emission index meets the requirement of environmental protection, the raw material cost is reduced in the production process link, and the cleanness of the fuel production link is improved.

Referring to fig. 1 and 2, the primary synthesis gas from the compressed synthesis gas buffer device (13) is introduced into the alcohol fuel synthesis device (14) through the primary synthesis gas inlet (29) to react with the 'temperature-resistant alcohol group' catalyst filled in the primary synthesis gas catalytic chamber (30), the synthesized alcohol group compounds are collected in the alcohol mixing stabilization bin (31), the synthesis gas escaping through primary catalysis is communicated with the circulating synthesis gas outlet (35) and the circulating synthesis gas inlet (33) of the alcohol fuel synthesis device (14) through the synthesis gas circulating device (15) to perform forced circulation movement, the circulating synthesis gas reacts with the 'sulfur-resistant alcohol group' catalyst filled in the circulating synthesis gas catalytic chamber (34), and the synthesized alcohol group compounds are collected in the alcohol mixing stabilization bin (31) to improve the synthesis rate, the first aim of the chemical reaction section is to improve the synthesis rate of the alcohol group materials, improve the productivity, and improve the synthesis rate, The production cost is reduced. The routine route of the solid organic matter liquefied alcohol family liquid fuel is one of the process technical routes which can be used for benign additive effect by a typical clean thermal combustion RSG engineering technology.

The alcohol group material in the alcohol mixing stabilizing bin (31) is sent to a production area buffer storage tank or an alcohol group fuel storage tank (17) of a special combustion equipment S unit (2) through an alcohol group fuel outlet (32) through a pipeline; the long-distance transportation is communicated with a fuel inlet of an alcohol group fuel storage warehouse (17) of the special combustion equipment S unit (2) through a pipeline and tank train or a tank automobile, and the transportation of the alcohol group fuel from a production area to a use area is completed.

The special combustion equipment S unit (2) is special for the operation of alcohol group liquid fuel combustion equipment.

Referring to fig. 1 and 3, the alcohol group fuel storage warehouse (17), the alcohol group fuel distribution warehouse (18) and the alcohol group fuel user storage warehouse (19) are communicated by tank automobile transportation and are delivered to the storage warehouse of the end user, and the alcohol group fuel is stored in the alcohol group fuel user storage warehouse (19) for standby according to relevant requirements; the alcohol group fuel is conveyed to the front of the furnace by a special conveying mechanism and is communicated with a special combustion device (20) for the alcohol group fuel, so that the supply of the alcohol group fuel at the front of the furnace is ensured.

According to the type of the heated device (25) and the technical parameter requirement of the combustion process, the operation program and related parameters of the special alcohol group fuel program controller (21) are set, and the operation stability of special equipment is ensured.

Specific parameters of the special alcohol fuel combustion device (20) in the flame safety check during operation are set according to the type of the heated device (25) and the combustion process, such as setting the safe extension distance Xmm of the flame root of the special alcohol fuel monitor (22) and setting the safe self-locking value X of the flame intensity beams, thereby ensuring the operation safety of special equipment.

Setting specific parameters of the alcohol group fuel special combustion device (20) in terms of fuel atomization according to the type of the heat receiving device (25) and the output force required by the load of the alcohol group fuel special combustion device (20), such as setting the output pressure value kgf/cm of the alcohol group fuel special fuel pump (23)2And the output flow value L/h ensures the uniformity and stability of the operation atomization of the special equipment.

Setting specific parameters of the special combustion device (20) for the alcohol group fuel in the aspects of combustion supporting and air distribution according to the type of the heated device (25) and the requirements of the load output and the flame shape of the special combustion device (20) for the alcohol group fuel, such as setting the wind speed m/s and the total mixed flow Nm of the special air distributor (24) for the alcohol group fuel3And h, ensuring that the premixed fuel flow is coupled with a heating device to generate set intensified combustion. The routine arrangement of the special alcohol group liquid fuel combustion equipment is a combustion method which is good in superposition effect and typical in a clean thermal combustion RSG engineering technology.

The special alcohol fuel combustion device (20) is allowed to start, the special alcohol fuel pump (23) loads potential energy for an alcohol fuel medium and is sprayed out by an atomizer, the alcohol fuel medium and a mixed combustion improver added and held by the special alcohol fuel air distributor (24) are premixed to form a fuel flow, the fuel flow is ignited by ignition, and under the communication effect of the output end of the special alcohol fuel air distributor (24) and the thermal inlet of the special alcohol fuel heating device (25), a flame shape is formed according to set parameter values, so that safe, stable and continuous combustion is realized, and a chemical energy heat source is generated for an end user.

And the intensified combustion process G unit (3) enhances the combustion operation of the alcohol group liquid fuel.

Referring to fig. 1 and fig. 3, the intensified combustion process G unit (3) includes support of various intensified combustion parameters of the alcohol group fuel special combustion device (20) and various input communication of the alcohol group fuel special heating device (25), so as to form an intensified combustion process structure capable of achieving a benign superposition effect by a clean thermal combustion RSG engineering technology; one end of a heating device combustion chamber (36) which is a special heating device (25) for the alcohol group fuel is communicated with a special air distributor (24) for the alcohol group fuel of the special combustion device (20) for the alcohol group fuel, receives the special air distributor (24) for the alcohol group fuel from the special combustion equipment S unit (2), adds combustion flame, and enters the intensified combustion chamber (37) to safely, stably and continuously release heat.

In the aspect of an intensified combustion process, an infrared radiation armor (38) arranged in a body forms an intensified combustion chamber (37) to form a fuel heat-gathering combustion space, combustion flame enters the intensified combustion chamber (37) to stably and continuously release heat, when the heat storage energy level of the body of the armor is transited, infrared band radiation is generated to transfer heat energy to a combustion chamber (36) of a heating device, the heat release of the heating device and the intensified combustion of premixed fuel are achieved, a typical intensified combustion structure of RSG high-temperature oxygen-deficient excitation oxygen-enriched gain effect is formed, heat energy is released to a water medium in the heating device, and water vapor generated by the water medium is used for downstream production.

The flue gas after the primary intensified combustion in the intensified combustion chamber (37) completely enters the combustion chamber (36) of the heating device to carry out flue gas convection heat exchange, and one part of the flue gas enters the reforming channel (39) again to carry out secondary intensified combustion and releases heat to the convection of the special heating device (25) of the alcohol group fuel, and then the flue gas is used as a flue gas medium to enter outside.

Part of the flue gas from the flue gas re-entering the reforming channel (39) is conveyed to the special combustion device (20) for the alcohol group fuel by the reforming flue gas conveying pipe (41), the premixed fuel flow is coupled to promote infrared wave band radiation heat energy, fuel particle thermal ionization of oxygen-enriched secondary intensified combustion is excited, the plasma state high-speed combustion is reached to form an ion sheath, and high-temperature physical conditions are constructed for flue gas reforming.

Part of the flue gas from the flue gas reentry reforming channel (39) enters an intensified combustion chamber (37) from an inner reentry reforming channel (40) arranged on the peripheral wall of the head end of the infrared radiation armor (38) to be mixed with the ion sheath to realize inner reentry reforming, and the flue gas is guided into a free state by the high-temperature sheath to introduce NO into the flue gasXThe molecules are decomposed, N times of circulation and enhanced combustion can be carried out, so that part of oxygen molecules participate in C, CO and H with higher activity2Free state combustion to N2O3Is sub-cleaved by other molecules or atoms, and the competing reaction becomes a new species, e.g. a C atom changes from newly bound to CO2、N2O, to NOXInhibition and partial reforming.

Part of the flue gas from the flue gas re-entering the reforming channel (39) is conveyed to a special combustion device (20) for alcohol group fuel by a reforming flue gas conveying pipe (41) to be matched with premixed fuel flow to promote high-temperature excitation of oxygen-poor free oxygen-rich intensified combustion, the circulating flue gas participates in the premixing of the fuel flow, when the low alpha value in the intensified combustion chamber (37) is 1.01, the oxygen-poor efficient intensified combustion can be still realized, the purposes of greatly reducing the consumption of combustion improver, reducing the flue gas discharge and inhibiting NO are achievedXAnd (4) synthesizing amount.

The heat exchange between the flue gas and the air is supported by the honeycomb air condensation bundle pipe arranged on the special flue gas condensation device (28) from all the flue gas of the combustion chamber (36) of the heating device, thereby realizing the concentrated discharge of the flue gas condensate water and achieving the reduction of white smokeThe tail end of the special flue gas condensing device (28) is connected with a chimney of a special heating device (25) for alcohol group fuel or directly emptied, and the initial concentration of the discharged flue gas can reach that the dust is less than or equal to 10mg/Nm3、SO2≤20mg/Nm3、NOXThe index of ultralow emission less than or equal to 30mg realizes the core requirement completely superior to the extreme protection of the thermal flame combustion in all parts of the world at present.

It should be understood that the embodiment of the example is only an exemplary embodiment adopted to illustrate the structure of the process flow equipment and the principle of the intensified combustion technology of the present invention, and thus the present invention is not limited thereto.

For example, the standard alcohol group fuel R unit (1) is a solid organic matter liquefied alcohol group liquid fuel, and the raw materials for gasification can also be biomass including agricultural and forestry organic wastes, urban living organic wastes, petroleum coke powder, coal gangue, oil shale and the like.

The alcohol group fuel product can also synthesize a high-carbon alcohol group fuel product; can also be mixed into clean fuel for volumetric pulse power combustion; can also be directly used in the industries of kitchen ranges and the like for civil catering.

Thus, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

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