阅读说明：本技术 一种rto燃烧系统 (RTO combustion system ) 是由 张烈 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种RTO燃烧系统,包括预热室、混合室、燃烧装置、循环水泵、冷凝循环装置、预热系统,所述预热室前端设置有单向止回卸爆阀,所述预热室输入端通过变径管道一与单向止回卸爆阀连通,所述预热室输出端与多根变径管道二输入端相连,所述多根变径管道二输出端与多根气体传输管道一输入端相连,所述多个气体传输管道一输出端与多个燃烧装置输入端相连,所述多个燃烧装置输出端与混合室输入端连通,所述混合室输出端设置有变径管道三且通过变径管道三与冷凝循环装置连通,所述冷凝循环装置输出端通过气体传输管道二与排气管相连,所述排气管上设置有抽风机,该燃烧系统能够处理多种废气且可在开发空间使用,更安全环保。(The invention discloses an RTO combustion system, which comprises a preheating chamber, a mixing chamber, a combustion device, a circulating water pump, a condensation circulating device and a preheating system, wherein a one-way non-return explosion relief valve is arranged at the front end of the preheating chamber, the input end of the preheating chamber is communicated with the one-way non-return explosion relief valve through a reducing pipeline I, the output end of the preheating chamber is connected with the input ends of a plurality of reducing pipelines II, the output ends of the plurality of reducing pipelines II are connected with the input ends of a plurality of gas transmission pipelines I, the output ends of the plurality of gas transmission pipelines I are connected with the input ends of the combustion device, the output ends of the plurality of combustion devices are communicated with the input end of the mixing chamber, the output end of the mixing chamber is provided with a reducing pipeline III and is communicated with the condensation circulating device through a reducing pipeline III, the output end of the condensation circulating device is connected with an exhaust pipe through a gas transmission pipeline II, and the exhaust pipe is provided with an exhaust fan, the combustion system can treat various waste gases and can be used in development space, and is safer and more environment-friendly.)

1. An RTO combustion system comprises a preheating chamber (1), a mixing chamber (2), combustion devices (3), a condensation circulating device (4) and a preheating system (5), and is characterized in that a one-way non-return explosion discharging valve (6) is arranged at the front end of the preheating chamber (1), the input end of the preheating chamber (1) is communicated with the one-way non-return explosion discharging valve (6) through a reducing pipeline I (7), the output end of the preheating chamber (1) is connected with the input ends of a plurality of reducing pipelines II (13), the output ends of the plurality of reducing pipelines II (13) are connected with the input ends of a plurality of gas transmission pipelines I (8), the output ends of the plurality of gas transmission pipelines I (8) are connected with the input ends of a plurality of combustion devices (3), the output ends of the plurality of combustion devices (3) are communicated with the input end of the mixing chamber (2), the output end of the mixing chamber (2) is provided with a reducing pipeline III (12) and is communicated with the condensation circulating device (4) through a reducing pipeline III (12), the output end of the condensation circulating device (4) is connected with an exhaust pipe (10) through a gas transmission pipeline II, and an exhaust fan (11) is arranged on the exhaust pipe;

the combustion system is internally provided with a preheating system (5), and the preheating system (5) preheats gas in the preheating chamber (1) through arranging a corresponding pipeline;

a plurality of combustion devices (3) are arranged in the combustion system, a heating pipeline (301) and a catalyst storage chamber (302) connected with the heating pipeline (301) are arranged in each combustion device (3), an electromagnetic induction coil (303) is wound outside the heating pipeline (301), an insulating heat conduction layer is arranged between the electromagnetic induction coil (303) and the heating pipeline (301), the combustion device (3) heats the heating pipeline (301) through an electromagnetic induction coil (303), a telescopic connecting device (9) is arranged between the heating pipeline (301) and the catalyst storage chamber (302), the heating pipeline (301) is tightly connected with the inner cavity of the catalyst storage chamber (302) through a telescopic connecting device (9) to form an adjustable placing space, the volume of the adjustable placing space is sequentially increased, and a catalyst heat accumulator matched with the adjustable placing space is placed in the adjustable placing space.

2. The system according to claim 1, wherein the preheating system comprises a main preheating inlet pipe (501), a secondary preheating inlet pipe (502), an outlet preheating pipe (515), a first gas preheating part (503), and a second gas preheating part (504), wherein the input end of the main preheating inlet pipe (501) is connected with the mixing chamber (2), the output end of the main preheating inlet pipe (501) is connected with a first gas storage chamber (505) at the upper end of the mixing chamber (2), the input end of the secondary preheating inlet pipe (502) is connected with the main preheating inlet pipe (501), the secondary preheating inlet pipe (502) is connected with a second gas storage chamber (506) at the lower end of the preheating chamber, the first gas preheating part (503) communicates the first gas storage chamber (505) with the second gas storage chamber (506), and the second gas preheating part (504) communicates the second gas storage chamber (506) with the third gas storage chamber (516), the gas storage chamber III (516) is connected with the input end of the preheating gas outlet pipe (515), the output end of the preheating gas outlet pipe (515) is connected with the mixing chamber (2), and the preheating gas outlet pipe (515) is provided with a pipeline fan (507).

3. The system according to claim 1, characterized in that the preheating system (5) comprises a preheating water inlet pipe (508), a preheating water outlet pipe (509), a preheating water pipe (510), a first heat storage water pipe (511), a second heat storage water pipe (512), a third heat storage water pipe (513) and a circulating water pump (514), wherein the input end of the preheating water inlet pipe (508) is connected with the first heat storage water pipe (511) in the mixing chamber, a plurality of connecting holes matched with the third heat storage water pipe (513) are formed in the first heat storage water pipe (511) and the second heat storage water pipe (512), the first heat storage water pipe (511) is communicated with the second heat storage water pipe (512) through the connecting holes, the input end of the second heat storage water pipe (512) is connected with the circulating water pump (514), the input end of the circulating water pump (514) is connected with the output end of the preheating water outlet pipe (509), the input end of the preheating water outlet pipe (509) is connected with the preheating water pipe (510), the preheating water inlet pipe (508) and the preheating water outlet pipe (509) are respectively provided with a connecting hole matched with the preheating water pipe (510), and the preheating water pipe (510) is communicated with the preheating water inlet pipe (508) and the preheating water outlet pipe (509) through the connecting holes.

4. The condensation circulation device (4) according to claim 1, comprising a condensation circulation chamber (401), a condensation circulation water pump (402), a filter screen (403), a condensation circulation water inlet pipe (404) and a condensation circulation water outlet pipe (405), wherein the filter screen (403) with the same interval is arranged in the condensation circulation chamber (401), the output end of the condensation circulation water pump (3) is connected with the input end of the condensation circulation water inlet pipe (404), the output end of the condensation circulation water inlet pipe (404) is connected with the condensation circulation chamber (401), a plurality of vertical partition plates (406) are arranged in the condensation circulation chamber (401), the partition plates (406) divide the condensation circulation chamber (401) into a plurality of independent and communicated spaces, and a return pipeline communicated with the condensation circulation water pump (402) is arranged at the bottom of the condensation circulation chamber (401).

5. The telescopic connection device according to claim 1, wherein the telescopic connection device (9) comprises a heating pipeline (301), a telescopic pipe (902), a first connection piece (903) and a second connection piece (904) which are matched with each other through threads, the first connection piece (903) is arranged on the inner wall of the heating pipeline (301), the second connection piece (904) is arranged on the outer side of the telescopic pipe (902), an extension section (905) for adjusting an adjustable placing space and a fixed section (906) for fixing the telescopic pipe (902) are arranged on the first connection piece (903), the length of the internal thread fixed section (906) on the first connection piece (903) is larger than that of the extension section (905), and the first connection piece (903) and the second connection piece (904) are detachable installation parts.

6. The device as claimed in claim 1, wherein the first gas transmission pipelines (8) are all provided with adjustable telescopic pipelines, and the first gas transmission pipelines (8) are provided with explosion relief valves (801) and combustion device control mounting plates (802).

7. The combustion device according to claim 1, characterized in that an outer shell (304) is arranged outside the combustion device (3), a bottom cover (305) matched with the outer shell (304) is arranged on the outer shell (304), the bottom cover (305) is fixedly connected with the mixing chamber (2) through a flange (306), an insulation layer placing space is arranged inside and outside the bottom cover (305), an insulation layer filled with aluminum paste or high-temperature cement is arranged inside the bottom cover (305), and an insulation layer filled with refractory bricks or high-temperature cement is arranged outside the bottom cover (305).

8. The preheating chamber (1) is characterized in that a plurality of air supplementing valves (101) are arranged on the front end face of an air inlet of the preheating chamber (1), and an explosion venting port (201) is arranged on the upper end of the mixing chamber (2).

Technical Field

The invention relates to the field of organic waste gas treatment, in particular to an RTO combustion system.

Background

The Regenerative Thermal incinerator is called as "Regenerative Thermal Oxidizer" in english, and is called as "RTO" for short, and it oxidatively decomposes gas by a high temperature heating chamber and then discharges the gas after the oxidative decomposition. The existing combustion device heats organic waste gas to over 760 ℃ by means of natural gas combustion, resistance heating combustion, microwave heating and the like, so that VOC in the waste gas is oxidized and decomposed into carbon dioxide and water. High-temperature gas generated by oxidation flows through a specially-made ceramic heat accumulator, so that the ceramic body is heated to achieve the effect of heat accumulation, and the high-temperature gas is used for preheating subsequent organic waste gas by absorbing a large amount of heat, thereby saving the fuel consumption of waste gas heating.

The heating device of the existing combustion system usually adopts natural gas combustion, resistance heating combustion and microwave heating modes, and during the gas treatment process, the natural gas combustion mode can generate ammonia gas and nitrogen gas, pollute the environment, cause overhigh temperature, is difficult to control, has low safety factor and the like; the resistance heating mode has the problems of over-high energy consumption, over-low heat conversion efficiency, easy damage, easy short circuit and the like; although the microwave heating mode has high heat conversion efficiency and high speed, the microwave heating mode is harmful to human bodies and feasible under the condition of closed space, but is not applicable to pipeline space, and the heat storage system in the prior art has a single structure and only stores heat of oxidized gas through a ceramic heat storage body.

Disclosure of Invention

The invention aims to overcome the following defects in the prior art:

ammonia and nitrogen are generated by a natural gas combustion mode, and the safety coefficient is low due to the fact that the temperature is too high and is not easy to control;

the energy consumption of resistance heating combustion is too high, the heat conversion rate is too low, and short circuit is easily caused by damage;

microwave heating is harmful to human bodies and is not suitable for heating in pipeline spaces;

the heat storage system has a single structure

An RTO combustion system is provided.

The purpose of the invention is realized by the following technical scheme: according to the above problems, an RTO combustion system is provided, which comprises a preheating chamber, a mixing chamber, a combustion device, a circulating water pump, a condensation circulating device and a preheating system, and is characterized in that a one-way non-return explosion discharging valve is arranged at the front end of the preheating chamber, the input end of the preheating chamber is communicated with the one-way non-return explosion discharging valve through a first reducing pipeline, the output end of the preheating chamber is connected with a second plurality of reducing pipelines, the output ends of the second plurality of reducing pipelines are connected with the input ends of a plurality of gas transmission pipelines, the output ends of the plurality of gas transmission pipelines are connected with the input ends of the combustion device, the output end of the mixing chamber is communicated with the input end of the mixing chamber, the output end of the mixing chamber is provided with a third reducing pipeline and is communicated with the condensation circulating device through a third reducing pipeline, and the output end of the condensation circulating device is connected with an exhaust pipe through a second gas transmission pipeline, an exhaust fan is arranged on the exhaust pipe;

the combustion system is internally provided with a preheating system which preheats the gas in the preheating chamber through arranging a corresponding pipeline;

a plurality of burner are the cylindricality, the inside catalyst apotheca that is provided with the heating tube and links to each other with the heating tube of a plurality of burner, the outside winding of heating tube has electromagnetic induction coil, be provided with insulating heat-conducting layer between electromagnetic induction coil and the heating tube, burner heats the heating tube through electromagnetic induction coil, be provided with telescopic connecting device between heating tube and the catalyst apotheca, the heating tube passes through telescopic connecting device zonulae occludens with the catalyst apotheca and forms adjustable placing space, adjustable placing space volume increases in proper order, and places the catalyst heat accumulator who matches with it in this adjustable placing space.

Further, the preheating system comprises a preheating air inlet main pipe, a preheating air inlet auxiliary pipe, a preheating air outlet pipe, a first gas preheating part and a second gas preheating part, wherein the input end of the preheating air inlet main pipe is connected with the mixing chamber, the output end of the preheating air inlet main pipe is connected with a first gas storage chamber at the upper end of the mixing chamber, the input end of the preheating air inlet auxiliary pipe is connected with the preheating air inlet main pipe, the preheating air inlet auxiliary pipe is connected with a second gas storage chamber at the lower end of the preheating chamber, the first gas preheating part is used for communicating the first gas storage chamber with the second gas storage chamber, the second gas preheating part is used for communicating the second gas storage chamber with a third gas storage chamber, the third gas storage chamber is connected with the input end of the preheating air outlet pipe, the output end of the preheating air outlet pipe is connected with the mixing chamber, a pipeline fan is arranged on the preheating air outlet pipe, and gas after being oxidized and decomposed by the combustion device enters the gas preheating pipeline, the cooled organic exhaust gas is preheated by the first preheating section and the second preheating section.

Further, the preheating system comprises a preheating inlet pipe, a preheating outlet pipe, a preheating water pipe, a first heat storage water pipe, a second heat storage water pipe and a third heat storage water pipe, the input end of the preheating inlet pipe is connected with the first heat storage water pipe in the mixing chamber, a plurality of connecting holes matched with the three phases of the heat storage water pipes are formed in the first heat storage water pipe and the second heat storage water pipe, the first heat storage water pipe is communicated with the second heat storage water pipe through the connecting holes, the second input end of the heat storage water pipe is connected with the circulating water pump, the input end of the circulating water pump is connected with the output end of the preheating outlet pipe, the input end of the preheating outlet pipe is connected with the preheating water pipe, the preheating inlet pipe is provided with the connecting holes matched with the preheating water pipe on the preheating outlet pipe, and the preheating water pipe is communicated with the preheating inlet pipe and the preheating outlet pipe through the connecting holes.

Further, condensation circulating device, including condensation circulation room, condensation circulating water pump, filter screen, condensation circulation inlet tube, condensation circulation outlet pipe, the indoor filter screen that is provided with the interval the same of condensation circulation, condensation circulating water pump output links to each other with condensation circulation inlet tube input, condensation circulation inlet tube output links to each other with the condensation circulation room, be provided with the vertical baffle of polylith in the condensation circulation room, the baffle separates the condensation circulation room for the space of a plurality of independence and intercommunication, condensation circulation room bottom is provided with the return line with condensation circulating water pump intercommunication, and gas temperature after through the combustion device is higher, and condensing system adopts the mode of water-cooling to let gaseous rapid cooling to can degrade the product after the waste gas burning, like mixture such as sulphur, ammonia, nitrogen, chlorine.

Further, scalable connecting device includes, flexible pipe, through screw thread mutually supported connecting piece one and connecting piece two, connecting piece one sets up at the heating line inner wall, connecting piece two sets up in flexible pipe outside, be provided with the adjustable extension section of placing the space of regulation and the fixed section of fixed flexible pipe on the connecting piece one, the internal thread fixed segment length is greater than the extension section on the connecting piece one, connecting piece one and connecting piece two are demountable installation part, and organic waste gas species is different, and the density of waste gas also differs, sets up the telescopic connecting device and can adjust the device according to the difference of gas density, comes the corresponding organic waste gas of burning with the space that is most suitable.

Furthermore, the first gas transmission pipeline is provided with adjustable telescopic pipelines, the first gas transmission pipeline is provided with an explosion discharging valve and a combustion device control installation plate, if the combustion device explodes, the explosion can be discharged in time, and the personal safety of workers is guaranteed.

Further, the outer part of the combustion device is provided with a shell, the shell is provided with a bottom cover matched with the shell, the bottom cover is fixedly connected with the mixing chamber through a flange, a heat insulation layer placing space is arranged inside and outside the bottom cover, a heat insulation layer filled with aluminum paste or high-temperature cement is arranged in the bottom cover, and a heat insulation layer filled with refractory bricks or high-temperature cement is arranged outside the bottom cover.

Furthermore, a plurality of air supply valves are arranged on the front end face of the air inlet of the preheating chamber, and an explosion venting port is arranged at the upper end of the mixing chamber.

The working principle of the invention is as follows: before a combustion system is used, the combustion device is adjusted according to gas density, then organic waste gas is guided into the combustion system, the organic waste gas enters a preheating chamber through a one-way non-return explosion-discharging valve and a first reducing pipeline, a preheating system in the preheating chamber can preheat the organic waste gas primarily, the preheated organic waste gas enters the combustion device through a second reducing pipeline and a first gas transmission pipe, a catalyst heat accumulator is arranged in the combustion device, the catalyst heat accumulator absorbs heat generated after the organic waste gas is combusted before, and the absorbed heat can be used for the organic waste gas which just enters to preheat the organic waste gas secondarily, meanwhile, an electromagnetic induction coil on the combustion device can heat the preheated organic waste gas until the organic waste gas is oxidized and decomposed, and at the moment, the catalyst heat accumulator absorbs heat generated after the organic waste gas is oxidized and decomposed, the gas after oxidative decomposition enters a mixing chamber, a preheating system in the mixing chamber absorbs the heat of the gas after oxidative decomposition, the heat is guided and utilized by the preheating system to preheat the organic waste gas in the preheating chamber, the oxidized gas enters a condensation circulating device, a mixture generated by the organic waste gas after oxidative decomposition is filtered by a filter screen of the condensation circulating device, and the gas is exhausted through an exhaust pipe after the filtration through the operation of an exhaust fan.

The invention has the beneficial effects that:

(1) the invention does not generate ammonia gas and nitrogen gas, has high heat conversion efficiency, high temperature rise speed and easy temperature control;

(2) the heat storage system is more perfect, and on the basis of a ceramic heat accumulator, an air-cooled reflux preheating system and a water-cooled reflux preheating system are provided, so that the utilization rate of heat generated after gas is oxidized and decomposed is higher;

(3) the device is not easy to damage, safe and reliable, harmless to human body, long in service life, free from damage to peripheral circuit environment, capable of being used in development space and capable of treating more waste gas types;

(4) the combustion device can be correspondingly adjusted according to the gas density, so that the combustion efficiency is improved.

Drawings

FIG. 1 is a schematic view of the combustion system of the present invention;

FIG. 2 is a schematic view of the structure of the combustion apparatus of the present invention;

FIG. 3 is a schematic view of a connecting device according to the present invention;

FIG. 4 is a schematic diagram of the gas preheating system of the present invention;

FIG. 5 is a schematic diagram of the water circulation preheating system according to the present invention;

FIG. 6 is a schematic view of the preheating part of the combustion system according to the present invention;

FIG. 7 is a schematic view of a connector structure according to the present invention;

in the figure, 1-preheating chamber, 101-air supplement valve, 2-mixing chamber, 201-explosion venting port, 3-combustion device, 301-heating pipeline, 302-catalyst storage chamber, 303-electromagnetic induction coil, 304-combustion device shell, 305-bottom cover, 306-flange, 4-condensation circulation device, 401-condensation circulation chamber, 402-condensation circulation water pump, 403-filter screen, 404-condensation circulation water inlet pipe, 405-condensation circulation water outlet pipe, 406-partition board, 5-preheating system, 501-preheating air inlet main pipe, 502-preheating air inlet auxiliary pipe, 503-first preheating part, 504-second preheating part, 505-gas storage chamber one, 506-gas storage chamber two, 507-pipeline fan, 508-preheating water inlet pipe, 509-preheating water outlet pipe, 510-preheating water pipe, 511-water pipe one, 512-heat storage water pipe two, 513-heat storage water pipe three, 514-circulation water pump, 515-preheating air outlet pipe, 6-one-way check explosive unloading valve, 7-reducing pipeline I, 8-gas transmission pipeline I, 801-explosive unloading valve, 9-connecting device, 902-telescopic pipe, 903-connecting piece I, 904-connecting piece II, 905-extending section, 906-fixing section, 10-exhaust pipe, 11-exhaust fan, 12-reducing pipeline III and 13-reducing pipeline II.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the invention provides an RTO combustion system, which comprises a preheating chamber 1, a mixing chamber 2, a combustion device 3, a condensation circulation device 4 and a preheating system 5, wherein a front end face (input end) of the preheating chamber 1 is provided with a single-item non-return explosion venting valve 6 for preventing explosion gas of the combustion system from reversely crossing to a workshop along a pipeline, the preheating chamber 1 is communicated with the single-item non-return explosion venting valve 6 through a reducing pipeline I7 of the front end face, a rear end face (output end) of the preheating chamber 1 is provided with a plurality of holes with the same size and uniformly distributed, an output end of the preheating chamber 1 is communicated with input ends of a plurality of reducing pipelines II 13, output ends of the plurality of reducing pipelines II 13 are connected with input ends of a plurality of telescopic gas transmission pipes I8, output ends of the plurality of gas transmission pipes I8 are connected with input ends of a plurality of cylindrical combustion devices 3, the output ends of the plurality of combustion devices 3 are connected with the front end face (input end) of the mixing chamber 2 and are uniformly distributed on the front end face (input end) of the mixing chamber 2, the rear end face (output end) of the mixing chamber 2 is provided with a reducing pipeline III 12 and is communicated with the condensation circulating device 4 through the reducing pipeline III 12, the output end of the condensation circulating device 4 is connected with an exhaust pipe 10 through a gas transmission pipeline II 14, and the exhaust pipe is provided with an exhaust fan 11; the invention provides an additional preheating system 5 based on the mode of adopting a ceramic heat accumulator to carry out organic waste gas in the traditional RTO combustion system, wherein the preheating system 5 is used for carrying out primary preheating on the organic waste gas in a preheating chamber 1 by arranging a corresponding pipeline;

the burner 3 be cylindrical, and each burner 3 inside all be provided with heating tube 301 and the catalyst apotheca 302 that links to each other with heating tube 301, the outside winding of heating tube 301 of burner 3 has electromagnetic induction coil 303 that is used for heating organic waste gas, be provided with the insulating heat-conducting layer that adopts jade pipe or graphite pipe material between electromagnetic induction coil 303 and the heating tube 301, the heat conductivity of jade pipe or graphite pipe is good, and thermal stability is strong, and is further, heating tube 301 with be provided with telescopic connecting device 9 between the catalyst apotheca 302, heating tube 301 and catalyst apotheca 302 inner chamber form adjustable placing space through telescopic connecting device 9 zonulae occludens, and the volume that should place the space increases in proper order, places the catalyst heat accumulator who suits with it in this placing space, in the present invention, the specific shape of the catalyst heat storage body is not limited, and a rectangular parallelepiped shape, a cylindrical shape, or other shapes may be used.

Further, as shown in fig. 1 and 4, the present invention provides a preheating system, including: the preheating inlet main pipe 501, the preheating inlet assistant pipe 502, the preheating outlet pipe 515, the first gas preheating part 503 and the second gas preheating part 504, the input end of the preheating inlet main pipe 501 is connected with the upper end face of the mixing chamber 2, the side face of the preheating inlet main pipe 501 close to one end of the preheating chamber 1 is provided with the preheating inlet assistant pipe 502, the output end of the preheating inlet main pipe 501 is connected with the first gas storage water 505 at the upper end of the preheating chamber 1, the output end of the preheating inlet assistant pipe 502 is connected with the second gas storage chamber 506, the preheating gas enters the preheating inlet main pipe 501 from the mixing chamber 2 and then enters the first gas storage chamber 505 and the second gas storage chamber 506 from the preheating inlet main pipe 501 and then enters the first gas preheating part 503 to preheat the cold organic waste gas and then enters the second gas storage chamber 506 from the preheating inlet main pipe 501, then enters the gas storage chamber three 513 through the second gas preheating part 504, the gas passing through the preheating gas inlet sub-pipe 502 will directly enter the gas storage chamber two 506, then enters the second gas preheating part 504 to preheat the cold organic waste gas, and then directly enters the gas storage chamber three 513, the gas storage chamber three 513 is connected with the preheating gas outlet pipe 515, and the preheated preheating gas will be guided back to the mixing chamber 2 in the gas storage chamber three 513 through the pipeline fan 507 on the preheating gas outlet pipe 515.

Further, as shown in fig. 1 and 5, the present invention provides another preheating system, where the preheating system 5 includes a preheating water inlet pipe 508, a preheating water outlet pipe 509, a preheating water pipe 510, a first heat storage water pipe 511, a second heat storage water pipe 512, a third heat storage water pipe 513, and a circulating water pump 514, an input end of the preheating water inlet pipe 508 is connected to the first heat storage water pipe 511 in the mixing chamber 2, the first heat storage water pipe 511 and the second heat storage water pipe 512 are both provided with connection holes matching with the third heat storage water pipe 513, the third heat storage water pipe 513 connects the first heat storage water pipe 511 and the second heat storage water pipe 512 through the connection holes, the third heat storage water pipe 513 is a curved pipe, as shown in fig. 4, a "U" shaped pipe may be selected, and the shape is adopted to increase a contact time between a water flow and a gas after oxidative decomposition, to absorb enough heat for gas preheating, and the water flow absorbing enough heat enters the preheating chamber through the inlet pipe 508 via the circulating water pump, the preheating water inlet pipe 508 and the preheating water outlet pipe 509 are provided with connecting holes matched with the preheating water pipe 510, the preheating water pipe 510 is used for communicating the preheating water inlet pipe 508 with the preheating water outlet pipe 509 through the connecting holes, and preheating water flows can simultaneously enter the preheating water pipe 510 to achieve the effect of uniform preheating through the plurality of connecting holes, and then flow back to the mixing chamber 2 through the preheating water outlet pipe 509.

Further, as shown in fig. 1, the invention provides a condensation circulation system, the condensation circulation system 4 comprises a condensation circulation chamber 401, a condensation circulation water pump 402, a filter screen 403, a condensation circulation water inlet pipe 404, a condensation circulation water outlet pipe 405, the gas after oxidative decomposition enters the system, a large amount of cold water will flow into the condensation circulation chamber 401 from the "F" shaped water inlet pipe of the condensation circulation water pump 402 of the system, the cold water will flow back to the condensation circulation water pump 402 through the condensation circulation water outlet pipe 405 arranged at the bottom of the condensation circulation chamber, a plurality of layers of filter screens 403 are arranged in the condensation circulation chamber 401, the filter screens 403 are uniformly distributed in the condensation circulation chamber 401, the condensation circulation water inlet pipe 404 introduces water flow into the two layers of filter screens 403 at the top, a partition 406 with the same interval is arranged in the condensation circulation chamber, the partition 406 divides the condensation circulation chamber 401 into a plurality of independent and communicated filter spaces, and the gas passes through a filter screen of the cold water cooling filter screen, and the mixture after oxidative decomposition enters a second gas transmission pipe 14.

Further, be provided with telescopic connecting device 9 among the burner, telescopic connecting device 9 includes heating pipe 301, flexible pipe 902, through the screw thread mutually supporting connecting piece one 903 and connecting piece two 904, connecting piece one 903 sets up on heating pipe 301, connecting piece two 904 sets up on flexible pipe 902, and when the staff rotated flexible pipe 902, relative removal will take place through screw thread matching connecting piece one 903 and connecting piece two 904, moves on the extension of connecting piece one 903 to increase or reduce burner inner space, just connecting piece one 903 and connecting piece two 904 are demountable installation part.

Furthermore, the gas transmission pipes to the first pipe 8 are all adjustable telescopic pipes, and the pipes are provided with corresponding explosion relief valves 801 and combustion device control mounting plates 802.

Further, a carbon steel and stainless steel outer shell 304 is arranged outside the combustion device 3, heat insulation cotton is filled in the inner wall of the outer shell, a bottom cover 305 matched with the outer shell 304 is arranged on the outer shell 304, the bottom cover 305 is fixed on the front end face (input end) of the mixing chamber 2 through a flange 306, a heat insulation layer placing space is arranged inside and outside the bottom cover 305, a heat insulation layer filled with aluminum paste or high-temperature cement is arranged inside the bottom cover 305, and a heat insulation layer filled with refractory bricks or high-temperature cement is arranged outside the bottom cover 305.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.