阅读说明：本技术 一种节能式高温水解反应釜及其操作方法 (Energy-saving high-temperature hydrolysis reaction kettle and operation method thereof ) 是由 刘铎 刘驭东 于 2019-10-15 设计创作，主要内容包括：本发明公开了一种节能式高温水解反应釜及其操作方法,包括釜体,与釜体通过法兰密封联接的釜盖,安装于釜体内的搅拌器,与搅拌器连接的蒸汽输入装置；所述搅拌器一端安装于釜盖上端安装孔,另一端固定于釜体下端的固定支架结构；所述釜盖上端设有装置基架,所述装置基架安装有驱动电机以及调速器,所述搅拌器与调速器的输出端通过连接件连接；所述搅拌器包括转动轴,安装于转动轴上的若干螺旋结构,以及套设于转动轴下端的支撑限位件；所述螺旋结构设有若干排气孔,所述螺旋结构内部设有与排气孔连接的空腔,所述转动轴为设有下端开口的连接腔的管状结构,所述连接腔与空腔连通；所述固定支架机构与转动轴连接处设有蒸汽输入口。(The invention discloses an energy-saving high-temperature hydrolysis reaction kettle and an operation method thereof, wherein the energy-saving high-temperature hydrolysis reaction kettle comprises a kettle body, a kettle cover hermetically connected with the kettle body through a flange, a stirrer arranged in the kettle body, and a steam input device connected with the stirrer; one end of the stirrer is arranged in the mounting hole at the upper end of the kettle cover, and the other end of the stirrer is fixed on the fixed support structure at the lower end of the kettle body; the upper end of the kettle cover is provided with a device base frame, the device base frame is provided with a driving motor and a speed regulator, and the stirrer is connected with the output end of the speed regulator through a connecting piece; the stirrer comprises a rotating shaft, a plurality of spiral structures arranged on the rotating shaft and a supporting and limiting part sleeved at the lower end of the rotating shaft; the spiral structure is provided with a plurality of exhaust holes, a cavity connected with the exhaust holes is arranged in the spiral structure, the rotating shaft is of a tubular structure provided with a connecting cavity with an opening at the lower end, and the connecting cavity is communicated with the cavity; and a steam inlet is arranged at the joint of the fixed support mechanism and the rotating shaft.)

1. An energy-saving high-temperature hydrolysis reaction kettle is characterized by comprising a kettle body, a kettle cover hermetically connected with the kettle body through a flange, a stirrer arranged in the kettle body, and a steam input device connected with the stirrer; one end of the stirrer is arranged in the mounting hole at the upper end of the kettle cover, and the other end of the stirrer is fixed on the fixed support structure at the lower end of the kettle body; the upper end of the kettle cover is provided with a device base frame, the device base frame is provided with a driving motor and a speed regulator, and the stirrer is connected with the output end of the speed regulator through a connecting piece;

the stirrer comprises a rotating shaft, a plurality of spiral structures arranged on the rotating shaft and a supporting and limiting part sleeved at the lower end of the rotating shaft; the spiral structure is provided with a plurality of exhaust holes, a cavity connected with the exhaust holes is arranged in the spiral structure, the rotating shaft is of a tubular structure provided with a connecting cavity with an opening at the lower end, and the connecting cavity is communicated with the cavity; the steam inlet is arranged at the joint of the fixed support mechanism and the rotating shaft, and the connecting cavity is communicated with the steam inlet.

2. The energy-saving high-temperature hydrolysis reactor according to claim 1, wherein the spiral structure is connected with a plurality of support pipes, and the support pipes are communicated with the exhaust holes and the connecting cavity.

3. An energy-saving high-temperature hydrolysis reactor as claimed in claim 1, wherein said steam input means comprises a steam boiler, an output pipe connected to an output end of the steam boiler; the output pipe is connected with the fixed support structure, and the steam input port is a through hole penetrating through the kettle body.

4. The energy-saving high-temperature hydrolysis reactor according to claim 3, wherein the steam inlet is provided with a one-way air valve.

5. An energy-saving high-temperature hydrolysis reactor as claimed in claim 3, wherein the outer side of the output pipe is hermetically connected to the steam inlet.

6. The energy-saving high-temperature hydrolysis reactor as claimed in claim 1, wherein the steam inlet is hermetically connected to the rotating shaft.

7. The energy-saving high-temperature hydrolysis reactor according to claim 1, wherein an exhaust passage is provided at an upper end of the cover, and the exhaust passage is provided with a control valve.

8. The energy-saving high-temperature hydrolysis reactor according to claim 1, wherein the spiral structure is made of high-temperature resistant materials.

9. The energy-saving high-temperature hydrolysis reactor according to claim 1, wherein the supporting and limiting member is a bearing, and the supporting and limiting member is mounted on a fixed support structure.

10. An operation method of an energy-saving high-temperature hydrolysis reaction kettle, which is based on the energy-saving high-temperature hydrolysis reaction kettle of any one of claims 1 to 9, and comprises the following steps:

step S1, injecting the liquid to be processed into the kettle body, and vacuumizing the kettle body to ensure that the air pressure in the kettle body reaches 50 KPa;

step S2, starting the steam input device and the driving motor, starting stirring by the stirrer, and inputting high-temperature steam into the kettle body by the steam input device through the stirrer; the steam input device operates for 20 minutes, and the input of steam is stopped;

step S3, the driving motor stops after running for 1 hour, and the kettle body is vacuumized through the exhaust channel, so that the air pressure in the kettle body reaches 40 KPa;

step S4, starting the steam input device and the driving motor, wherein the steam input device runs for 30 minutes and stops inputting steam;

step S5, stopping the driving motor after the driving motor operates for 1 hour, and discharging liquid in the kettle body;

wherein, the steps S2, S3 and S4 are executed circularly for several times.

Technical Field

The invention relates to the technical field of reaction kettle equipment, in particular to an energy-saving high-temperature hydrolysis reaction kettle and an operation method thereof.

Background

Under the current social development situation, the public pays more and more attention to the treatment of domestic waste sewage, and the domestic waste treatment is a problem concerned by the whole society. The domestic garbage is treated in a hydrolysis mode, organic matters are heated in an oxygen-free or oxygen-deficient state, chemical bonds of the compounds are broken by utilizing heat energy, and the organic matters with large molecular weight are converted into combustible gas, liquid fuel and coke with small molecular weight. In the prior art, there are many problems for the organic matter heating in the sewage, at first, if heat before sewage gets into reation kettle, can produce harmful gas to be difficult to control, secondly, if heat in reation kettle, have very high requirement to reation kettle's reliability, and because reation kettle operational environment is abominable, there is the danger of occurence of failure.

In current reation kettle, the processing operation of hydrolysis reaction while heating has not appeared to in domestic sewage, consequently the above-mentioned circumstances of needs an equipment can be handled to the urgent need at present, optimizes the heating process among the domestic waste sewage treatment process, and the purpose lies in making the hydrolysis reaction fully go on, makes organic matter in the sewage can be handled as far as possible, need not extra heating process, can be to a certain extent energy saving.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

For the reasons, the applicant proposes an energy-saving high-temperature hydrolysis reaction kettle and an operation method thereof, and aims to solve the problems.

Disclosure of Invention

In order to meet the above requirements, the present invention aims to provide an energy-saving high-temperature hydrolysis reactor and an operation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

an energy-saving high-temperature hydrolysis reaction kettle comprises a kettle body, a kettle cover hermetically connected with the kettle body through a flange, a stirrer arranged in the kettle body, and a steam input device connected with the stirrer; one end of the stirrer is arranged in the mounting hole at the upper end of the kettle cover, and the other end of the stirrer is fixed on the fixed support structure at the lower end of the kettle body; the upper end of the kettle cover is provided with a device base frame, the device base frame is provided with a driving motor and a speed regulator, and the stirrer is connected with the output end of the speed regulator through a connecting piece;

the stirrer comprises a rotating shaft, a plurality of spiral structures arranged on the rotating shaft and a supporting and limiting part sleeved at the lower end of the rotating shaft; the spiral structure is provided with a plurality of exhaust holes, a cavity connected with the exhaust holes is arranged in the spiral structure, the rotating shaft is of a tubular structure provided with a connecting cavity with an opening at the lower end, and the connecting cavity is communicated with the cavity; the steam inlet is arranged at the joint of the fixed support mechanism and the rotating shaft, and the connecting cavity is communicated with the steam inlet.

The further technical scheme is that the spiral structure is connected with a plurality of supporting pipes, and the supporting pipes are communicated with the exhaust holes and the connecting cavity.

The steam input device comprises a steam boiler and an output pipe connected with the output end of the steam boiler; the output pipe is connected with the fixed support structure, and the steam input port is a through hole penetrating through the kettle body.

The further technical proposal is that the steam input port is provided with a one-way air valve.

The further technical proposal is that the outer side of the output pipe is hermetically connected with the steam input port.

The further technical scheme is that the steam inlet is connected with the rotating shaft in a sealing mode.

The technical scheme is that an exhaust channel is arranged at the upper end of the kettle cover, and a control valve is installed on the exhaust channel.

The further technical scheme is that the spiral structure is made of high-temperature-resistant materials.

According to the further technical scheme, the supporting and limiting part is a bearing, and the supporting and limiting part is installed on the fixed support structure.

The invention also discloses an operation method of the energy-saving high-temperature hydrolysis reaction kettle, which is based on any one of the energy-saving high-temperature hydrolysis reaction kettle and comprises the following steps:

step S1, injecting the liquid to be processed into the kettle body, and vacuumizing the kettle body to ensure that the air pressure in the kettle body reaches 50 KPa;

step S2, starting the steam input device and the driving motor, starting stirring by the stirrer, and inputting high-temperature steam into the kettle body by the steam input device through the stirrer; the steam input device operates for 20 minutes, and the input of steam is stopped;

step S3, the driving motor stops after running for 1 hour, and the kettle body is vacuumized through the exhaust channel, so that the air pressure in the kettle body reaches 40 KPa;

step S4, starting the steam input device and the driving motor, wherein the steam input device runs for 30 minutes and stops inputting steam;

step S5, stopping the driving motor after the driving motor operates for 1 hour, and discharging liquid in the kettle body;

wherein, the steps S2, S3 and S4 are executed circularly for several times.

Compared with the prior art, the invention has the beneficial effects that: by adopting the reaction kettle, domestic sewage injected into the reaction kettle can be effectively heated, steam is output by utilizing the spiral structure of the stirrer in the kettle body, and at the moment, because the kettle body is relatively vacuum, the input steam can not generate larger pressure in the kettle body, so that energy and economic cost required by additionally adopting heating equipment are avoided, and the energy-saving effect is achieved; the stirrer can stir and heat the sewage at the same time; in addition, the driving motor of the stirrer and the steam boiler can work separately, and a user can regulate and control the time according to a processing method to fully perform hydrolysis reaction, so that the liquid to be treated entering the kettle body and organic matters mixed in the liquid can be well treated.

The invention is further described below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of an energy-saving high-temperature hydrolysis reactor according to the present invention;

FIG. 2 is a schematic diagram of a specific embodiment of the agitator configuration of FIG. 1.

Reference numerals

100 kettle body and 200 kettle cover

201 mounting hole 202 device base frame

203 drive motor 204 speed regulator

205 connecting piece 206 exhaust channel

300 stirrer 301 rotating shaft

302 spiral structure 303 supports stopper

304 vent 305 cavity

306 connecting cavity 307 stirring rod

400 steam input device 401 steam boiler

402 output tube 500 fixed bolster structure

501 steam input port 502 one-way valve

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

As shown in fig. 1 and fig. 2, the energy-saving high-temperature hydrolysis reactor according to an embodiment of the present invention includes a reactor body 100, a reactor cover 200 connected to the reactor body 100 via a flange, a stirrer 300 installed in the reactor body 100, and a steam input device 400 connected to the stirrer 300; one end of the stirrer 300 is mounted in the mounting hole 201 at the upper end of the kettle cover 200, and the other end is fixed on the fixed support structure 500 at the lower end of the kettle body 100; the upper end of the kettle cover 200 is provided with a device base frame 202, the device base frame 202 is provided with a driving motor 203 and a speed regulator 204, and the stirrer 300 is connected with the output end of the speed regulator 204 through a connecting piece 205;

specifically, the connecting element 205 may be, but not limited to, a shaft coupling, a bearing, and a shaft sleeve, and the connecting element 205 may also be connected in one or more combinations thereof, so that the rotating shaft 301 can be driven by the driving motor 203 to rotate, thereby achieving a stirring effect.

The lower part of the kettle body is provided with a discharging hole, and the kettle cover is provided with process pipe holes for feeding, stirring observation, temperature and pressure measurement, steam extraction and fractionation, safe emptying and the like.

The kettle body structure characteristic of the scheme is as follows:

1. hydrolysis reactor tank body: inner can SUS304 or SUS 316L; jacket Q235-B or SUS 304; the outer heat-insulating shell is SUS 304. Mirror polishing treatment is carried out on the inner surface of the stainless steel tank body, and Ra of fine polishing is less than or equal to 0.4 mu m. The outer surface adopts a mirror surface or a 2B cross grain plate. Jacket type: different jacket forms are selected according to different heating modes, and comprise a full jacket, a half-pipe jacket and a detachable jacket. Thermal insulation material: the filling pearl cotton, rock wool or polyurethane is adopted for pouring and foaming, so that the temperature difference with the outside is kept, and the effects of heat insulation and heat preservation are achieved. The surface treatment mode of the shell body is as follows: mirror polishing or 2B primary color matte or 2B frosting surface matte treatment or paint spraying treatment.

2. And (4) covering: two openable movable covers (lower inclined bottom structure or lower conical bottom (or elliptic or butterfly-shaped) structure) are adopted, so that the cleaning is convenient, and an upper conical end enclosure structure and a lower conical end enclosure structure or an upper elliptic (or butterfly-shaped) end enclosure structure and a lower elliptic (or butterfly-shaped) end enclosure structure can be selected. Mirror polishing treatment is carried out on the inner surface of the stainless steel (the roughness Ra is less than or equal to 0.4 mu m), and the outer surface is mechanically polished to Ra is less than or equal to 0.8 mu m.

3. Kettle bottom structure: the rotary extrusion processing becomes the R angle, and with the inner tank body welding, polishing back no dead angle to be 5 slopes to the discharge gate direction, be convenient for put clean material and do not have the residue.

4. And (3) configuring a reaction kettle: the electric control box (comprising a temperature meter, a liquid level meter, a pressure display, a switch, an indicator light, a spot light switch and the like), a manhole, a material inlet and outlet, a cold and hot medium inlet and outlet, a standby port, a cleaning port, a thermometer port, a pressure gauge port, a vacuum port and the like.

5. The process openings of the inlet and outlet pipe orifices and the welding positions of the inner tank bodies are in arc transition by adopting a flanging process, so that the process openings are smooth, easy to clean, free of dead angles and attractive in appearance.

In the embodiment shown in fig. 2, the stirrer 300 includes a rotating shaft 301, a plurality of spiral structures 302 mounted on the rotating shaft 301, and a supporting and limiting member 303 sleeved on the lower end of the rotating shaft 30; the spiral structure 302 is provided with a plurality of exhaust holes 304, a cavity 305 connected with the exhaust holes 304 is arranged inside the spiral structure 302, the rotating shaft 301 is a tubular structure provided with a connecting cavity 306 with an opening at the lower end, and the connecting cavity 306 is communicated with the cavity 305; a steam input port 501 is arranged at the joint of the fixed bracket mechanism 500 and the rotating shaft 301, and the connecting cavity 306 is communicated with the steam input port 501.

In the embodiment shown in fig. 2, the spiral structure 302 has a plurality of support tubes 308 connected thereto, and the support tubes 308 communicate with the exhaust holes 304 and the connecting cavity 306.

In the embodiment shown in fig. 1, the steam input device 400 comprises a steam boiler 401, an output pipe 402 connected to the output end of the steam boiler 401; the output pipe 402 is connected with the fixing support structure 500, and the steam input port 501 is a through hole penetrating through the kettle body 100.

In the embodiment shown in fig. 1, the steam input port 501 is preferably provided with a one-way valve 502, and particularly, the one-way valve 502 is provided here to provide a valve to prevent the liquid in the kettle body 100 from overflowing, so as to ensure that the liquid in the kettle body 100 can be sufficiently hydrolyzed.

In the embodiment shown in fig. 1, the outer side of the output pipe 402 is preferably connected to the steam input port 501 in a sealing manner.

In the embodiment shown in fig. 1, the steam input port 501 is preferably sealingly connected to the rotating shaft 301.

Specifically, as shown in fig. 1, the rotating shaft 301 is not directly contacted with the output pipe 402, the one-way valve 502 is disposed between the rotating shaft 301 and the output pipe 402, and the rotating shaft 301 is hermetically connected to the upper end of the steam input port 501, and can be rotated.

In the embodiment shown in fig. 1, the upper end of the kettle cover 200 is provided with an exhaust channel 206, and the exhaust channel 206 is provided with a control valve, specifically, the control valve is used for controlling the gas in the kettle body 100 not to overflow.

Preferably, the spiral structure 302 is made of a high temperature resistant material, and the reliability of the structure can be maintained when high temperature steam passes through the structure.

In the embodiment shown in fig. 1, a stirring rod 307 for improving stirring efficiency is further connected to the rotating shaft 301.

In the embodiment shown in fig. 1 and 2, the supporting and limiting member 303 is a bearing, and the supporting and limiting member 303 is mounted on the fixed bracket structure 500, so as to ensure the reliability of the rotation of the rotating shaft 301, specifically, the position of the supporting and limiting member 303 on the rotating shaft 301 is adjustable, so as to adapt to various reaction kettles.

The invention also discloses an operation method of the energy-saving high-temperature hydrolysis reaction kettle, which is based on any one of the energy-saving high-temperature hydrolysis reaction kettles and comprises the following steps in combination with the figures 1 and 2:

step S1, injecting the liquid to be processed into the kettle body 100, and vacuumizing the kettle body 100 to enable the air pressure in the kettle body 100 to reach 50 KPa;

step S2, starting the steam input device 400 and the driving motor 203, starting stirring by the stirrer 300, and inputting high-temperature steam into the kettle body 100 by the steam input device 400 through the stirrer 300; the steam input device 400 operates for 20 minutes, and the input of steam is stopped;

step S3, the driving motor 203 stops after running for 1 hour, the kettle body 100 is vacuumized through the exhaust channel 206, and the air pressure in the kettle body 100 reaches 40 KPa;

step S4, starting the steam input device 400 and the driving motor 203, wherein the steam input device 400 operates for 30 minutes and stops inputting steam;

step S5, stopping the driving motor 203 after running for 1 hour, and discharging the liquid in the kettle body 100;

wherein, the steps S2, S3 and S4 may be executed in a loop for several times.

The technical scheme of the invention utilizes a 'reaction kettle' device and a technology of heating sewage and dirt treatment matched with a special stirrer and a spiral structure provided with a plurality of exhaust holes to quickly decompose and digest organic matters in garbage and convert the organic matters into organic fertilizers required by plants. The technical revolution of cleaning the domestic garbage at any time, cleaning the domestic garbage at any time in daily production, no secondary pollution, high resource utilization, small occupied area and good economic benefit is realized.

Specifically, in the hydrolysis reaction, an enzyme is needed, and the enzyme is a biocatalyst, has a strong high-efficiency catalytic function, and can accelerate the biochemical reaction. The 'reaction kettle' can be used for rapid degradation mainly by various high-performance enzyme-like catalytic degradation, and organic matter materials are placed in a specially designed degradation reaction kettle under the conditions of certain pressure, temperature and saturated steam with the assistance of high-temperature and high-pressure physical means, so that the organic matter can be rapidly decomposed with high strength within 2 hours; meanwhile, the nutrition and the aging are completely reserved in a closed reaction kettle. In the biomimetic reaction, starch and cellulose in organic matters are decomposed into glucose, lignin is decomposed into low molecular polymers, and proteins are classified into amino acids and the like. Glucose and amino acid can be directly absorbed by plants, and the low-molecular polymer can improve the soil characteristics, increase the content of organic colloid in the soil and provide a good environment for the growth of the plants. Therefore, the 'reaction kettle' rapid degradation system of the invention achieves the ideal effects of rapid, clean and resourceful treatment of organic matters in the household garbage.

In conclusion, the reaction kettle adopting the scheme can effectively heat domestic sewage injected into the reaction kettle, steam is output by utilizing the spiral structure of the stirrer in the kettle body, and at the moment, because the kettle body is relatively vacuum, the input steam cannot generate larger pressure in the kettle body, so that energy and economic cost required by additionally adopting heating equipment are avoided, and the energy-saving effect is achieved; the stirrer can stir and heat the sewage at the same time; in addition, the driving motor of the stirrer and the steam boiler can work separately, and a user can regulate and control the time according to a processing method to fully perform hydrolysis reaction, so that the liquid to be treated entering the kettle body and organic matters mixed in the liquid can be well treated.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.