CN112619385A - Tail gas deodorization and purification process and device - Google Patents
Tail gas deodorization and purification process and device Download PDFInfo
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- CN112619385A CN112619385A CN202011376453.6A CN202011376453A CN112619385A CN 112619385 A CN112619385 A CN 112619385A CN 202011376453 A CN202011376453 A CN 202011376453A CN 112619385 A CN112619385 A CN 112619385A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
Abstract
The invention provides a tail gas deodorization and purification process and a device, which relate to the field of industrial tail gas treatment, tail gas discharged in industrial production is washed in a layered mode, washing water adopts alkaline water, carbon fibers are positioned in a gas channel and are arranged in a circulating mode, gas obtained after the carbon fibers are heated and evaporated is introduced into a combustion chamber through a gas pipe, sufficient air is added to be fully combusted in an ignition state, and gas generated by combustion sequentially passes through the side surface of a heat exchange cavity used for heating the carbon fibers in S2 and the structure used for washing the tail gas in S1. In the invention, the tail gas generated by heating and evaporating carbon fibers is introduced into the combustion chamber for combustion, and the combusted gas is introduced to the outer side of the evaporation chamber for heating the carbon fibers, so that more tail gas is treated by utilizing the heat energy generated by the combustion of the tail gas.
Description
Technical Field
The invention relates to the field of industrial tail gas treatment, in particular to a tail gas deodorization and purification process and a tail gas deodorization and purification device.
Background
The gas pollution is a main component in industrial environmental pollution, and the emission of various factory waste gases, malodorous gases, toxic and harmful gas leakage and the like can cause serious gas pollution and even cause danger to the life and health of human beings, wherein malodorous substances in the industrial waste gases are mostly organic substances except hydrogen sulfide and ammonia, and methods commonly adopted in the prior art comprise physical adsorption, chemical deodorization and biological deodorization methods.
Patent application No. CN102008889B discloses a gas purification device for use in industry, catering industry and food processing industry. Its purpose is in order to provide a small, with low costs, effectual combined type exhaust purification deodorizing device. The invention relates to a composite waste gas purification and deodorization device which comprises a water curtain biodegradation system and a carbon fiber adsorption system, wherein the water curtain biodegradation system comprises a composite wet film, a wet film box body and water distribution equipment, the front side wall, the rear side wall, the top wall and the bottom wall of the wet film box body are in an open state, the composite wet film is arranged in the wet film box body, and the water outlet end of the water distribution equipment is arranged above the wet film box body; carbon fiber adsorption system includes cellular carbon fiber board and spraying plastics box, and preceding, the back lateral wall of spraying plastics box are open state, and cellular carbon fiber board constitutes for two swash plates that are the V type setting, and cellular carbon fiber board's closed angle is towards the preceding lateral wall of spraying plastics box, and carbon fiber adsorption system sets up the rear at cascade biodegradable system.
However, since the adsorption capacity of the carbon fibers is limited, the manufacturing cost is high, the carbon fibers need to be recycled after certain treatment after saturated adsorption, and the gas purification device is in a shutdown state in the treatment process after the carbon fibers are saturated, so that the purification efficiency is influenced.
Disclosure of Invention
The invention aims to provide a tail gas deodorization and purification process and a tail gas deodorization and purification device so as to solve the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme: the tail gas deodorizing and purifying process includes the following steps,
s1, washing tail gas discharged in industrial production in a layered mode, wherein washing water is alkaline water, the washing water is pressurized to form a water layer in the washing process, and sprayed washing water flows back to enter a liquid storage cavity;
s2, introducing the washed gas into an adsorption mechanism, adsorbing the gas by carbon fibers, arranging the carbon fibers in a gas channel in a recyclable manner, and discharging odorous molecules adsorbed by the carbon fibers from the carbon fibers by heating and evaporating the recycled carbon fibers;
and S3, introducing the gas obtained after the carbon fibers are heated and evaporated into a combustion chamber through an air pipe, adding sufficient air to fully combust in an ignition state, and enabling the gas generated by combustion to sequentially pass through the side surface of the heat exchange cavity for heating the carbon fibers in S2 and the structure for washing tail gas in S1.
Preferably, the washing water in S1 is returned to the water tank, and the slightly high-concentration alkaline solution is added to the inside of the water tank according to the amount of the precipitate while collecting the precipitate at the bottom of the water tank.
Preferably, the carbon fibers in S2 are heated in a closed cavity, and the heated gas is introduced into the combustion chamber through a closed pipeline.
Tail gas deodorization purifier, including the washing chamber, washing chamber and adsorption chamber intercommunication, adsorption chamber and combustion chamber intercommunication, the adsorption chamber is including adsorbing chamber, evaporation chamber, the evaporation chamber outside is provided with the backward flow layer, combustion chamber and backward flow layer intercommunication, backward flow layer and washing chamber inlet port intercommunication, separate for the liquid flow layer, the air current layer that set up in turn through the baffle in the washing chamber, be located the washing chamber opposite side is provided with the backwash tank, the feed liquor port intercommunication of pump machine, liquid pipe and washing chamber is passed through to the backwash tank bottom.
Preferably, the baffle has a plurality of and parallel arrangement, adjacent two baffle one end is sealed, the choking area of two upper and lower baffle tip difference fixedly connected with in the liquid flow layer, the laminating of choking area tip, the choking area is made by rubber, and is located the choking area outside that the baffle of liquid flow layer top baffle connection is connected and is located the below baffle and connects, the choking area tip fixedly connected with bracing piece.
Preferably, the liquid flow layer is communicated with the liquid storage cavity, a pressurizing plate is connected in the liquid storage cavity in a sliding mode, the pressurizing plate is connected with a cylinder, the piston rod penetrates through the top end of the liquid storage cavity, a liquid adding hole penetrating through the bottom side of the pressurizing plate is formed in the joint of the piston rod and the pressurizing plate, and a filtering plate is arranged at the bottom of the liquid storage cavity.
Preferably, the adsorption chamber is cylindrical and is divided into an adsorption cavity, an evaporation cavity and a cooling cavity by a vertical plate, the top end of the adsorption cavity is communicated with an exhaust pipe, the top end of the evaporation cavity is communicated with the combustion chamber, and a filter cartridge is rotationally connected in the adsorption chamber.
Preferably, the filter cartridge comprises three fan-shaped areas which are separated by a vacuum plate and correspond to the adsorption cavity, the evaporation cavity and the cooling cavity, the evaporation chamber comprises an inner heat conduction plate, the vacuum plate is arranged on the outer layer of the heat conduction plate, a gap layer communicated with the combustion chamber is reserved between the heat conduction plate and the vacuum plate, and the gap layer is communicated with the air inlet port of the washing chamber.
Preferably, the heat conducting plate is fixedly connected with heating wire outside, the adsorption chamber is provided with the check valve with the combustion chamber junction, the combustion chamber side is provided with the air feed valve.
The invention has the beneficial effects that:
1. the method comprises the following steps of (1) fully contacting gas with alkaline water in a layered washing mode by adopting an alkaline water washing mode, absorbing acidic chemical substances in the gas and chemical substances capable of reacting with the alkaline water by washing, introducing the washed gas into an adsorption mechanism, adsorbing the gas which does not react with the alkaline water in the discharged tail gas in a carbon fiber adsorption mode, introducing the tail gas heated and evaporated in the carbon fiber into a combustion chamber for combustion by adopting an evaporation and reuse mode by adopting the adsorbed carbon fiber, and introducing the combusted gas to the outside of the evaporation chamber for heating the carbon fiber so as to evaporate more tail gas by utilizing heat energy generated by tail gas combustion;
2. arranging a corresponding washing device, dividing a washing chamber into an airflow layer and a liquid flow layer through a partition plate, and alternately arranging the airflow layer and the liquid flow layer, so that gas exhausted from the airflow layer can pass through an alkaline water layer exhausted from the liquid flow layer to rise, and reacts with alkaline water in the process to absorb partial substances with smelly taste in tail gas, and simultaneously, driving the alkaline water to flow back by using a cylinder for recycling;
3. set up the adsorption chamber into cylindricly, and the adsorption chamber equallyd divide into the absorption chamber, the cooling chamber, the evaporation chamber, at the interior rotation connection of adsorption chamber be used for adsorbing a section of thick bamboo of tail gas, arrange the carbon fiber adsorbed layer in straining a section of thick bamboo, adsorb the material that has the foul smell in with tail gas through carbon fiber adsorption, gas after being adsorbed in the tail gas can be discharged, and can rotate and strain a section of thick bamboo and make the carbon fiber evaporate in the evaporation intracavity after adsorbing, gas that will evaporate is discharged into the combustion chamber and burns in the combustion chamber, and send into the heat that the combustion produced into the evaporation chamber outside in order to supply the carbon fiber required heat that evaporates, the carbon fiber layer rotates again after the abundant cooling of the section of thick bamboo after the evaporation enters into.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a washing chamber of the present invention;
FIG. 3 is a schematic perspective view of a spoiler band in accordance with the present invention;
FIG. 4 is a cross-sectional view of a reservoir chamber of the present invention;
FIG. 5 is a cross-sectional view of an adsorbent chamber of the present invention;
FIG. 6 is a top view of an adsorbent chamber of the present invention;
reference numerals: 1. a washing chamber; 11. a washing chamber; 111. a liquid bath; 112. a partition plate; 113. an air flow layer; 114. a liquid flow layer; 115. a choking zone; 116. a support plate; 12. an air inlet port; 2. a liquid storage cavity; 21. an alkaline liquid cavity; 22. an alkali liquor tube; 23. filtering the plate; 231. filtering holes; 24. a pump tube; 3. a cylinder; 31. a piston rod; 311. a liquid adding hole; 32. a pressurizing plate; 4. an air duct; 5. an adsorption chamber; 51. an adsorption chamber; 52. a combustion chamber; 53. a cooling chamber; 54. a vacuum plate; 55. a filter cartridge; 56. a heat conducting plate; 57. an electric heating wire; 58. a heat conducting pipe; 59. a gap layer; 6. a combustion chamber; 7. a heat conducting pipe; 8. a base plate; 9. a return pipe; 10. and (4) exhausting the gas.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
The tail gas deodorizing and purifying process includes the following steps,
s1, washing tail gas discharged in industrial production in a layered mode, wherein washing water is alkaline water, the washing water is pressurized to form a water layer in the washing process, and sprayed washing water flows back to enter a liquid storage cavity 2;
s2, introducing the washed gas into an adsorption mechanism, adsorbing the gas by carbon fibers, arranging the carbon fibers in a gas channel in a recyclable manner, and discharging odorous molecules adsorbed by the carbon fibers from the carbon fibers by heating and evaporating the recycled carbon fibers;
and S3, introducing the gas obtained after the carbon fibers are heated and evaporated into the combustion chamber 6 through an air pipe, adding sufficient air to fully combust in an ignition state, and enabling the gas generated by combustion to sequentially pass through the side surface of the heat exchange cavity for heating the carbon fibers in S2 and the structure for washing tail gas in S1.
The washing water in S1 flows back and enters the water tank, and the alkaline solution with slightly high concentration is added into the water tank according to the precipitation amount while the precipitation at the bottom of the water tank is collected.
And S2, heating the carbon fiber in the closed cavity, and introducing the heated gas into the combustion chamber 6 through the closed pipeline.
In the embodiment, industrial tail gas is washed in a layered mode, so that the contact area between gas and alkaline water is larger, the reaction is quicker, the sprayed alkaline liquid is pumped back to the liquid storage cavity by a pump machine for recycling, continuous liquid pumping is realized, an uninterrupted water curtain is formed above the airflow layer by the alkaline liquid, the tail gas is fully contacted with the liquid when passing through the air curtain, odorous substances which can react with the alkaline liquid in the tail gas are absorbed, the reacted gas is introduced into the absorption cavity for absorption, the residual odorous substances in the tail gas are absorbed, after the tail gas is absorbed for a certain time, the substances absorbed in the carbon fibers are evaporated by heating, the evaporated gas is introduced into the combustion chamber for fully mixed combustion with air, thereby the complete treatment of the odorous substances can be realized, and the treated gas is introduced to the outer side of the cavity where the carbon fibers are evaporated through the heat conduction pipe, the heat required by the evaporation of the adsorbed substances in the carbon fibers is provided, and the energy is saved.
Example 2
As shown in fig. 1-4, the tail gas deodorizing and purifying device includes a washing chamber 1, the washing chamber 1 is communicated with an adsorption chamber 5, the adsorption chamber 5 is communicated with a combustion chamber 6, the adsorption chamber 5 includes an adsorption chamber 51 and an evaporation chamber, a reflux layer is disposed outside the evaporation chamber, the combustion chamber 6 is communicated with the reflux layer, the reflux layer is communicated with an air inlet 12 of the washing chamber 1, the washing chamber 1 is divided into a liquid flow layer 114 and an air flow layer 113 by a partition plate 112, a reflux groove is disposed at the other side of the washing chamber 1, the bottom end of the reflux groove is communicated with an air inlet of the washing chamber 1 by a pump and a liquid pipe, the partition plate 112 has a plurality of parallel arrangement, one end of two adjacent partition plates 112 is sealed, the end portions of the upper partition plate 112 and the lower partition plate 112 of the liquid flow layer 114 are fixedly connected with a choking belt 115 respectively, the end portions of the choking, the choke belt 115 is made of rubber, the choke belt 115 connected with the partition plate 112 above the fluid layer 114 is located outside the choke belt 115 connected with the partition plate 112 below, the end part of the choke belt 115 is fixedly connected with a support rod, the fluid layer 114 is communicated with the fluid storage cavity 2, the fluid storage cavity 2 is internally and slidably connected with a pressure plate 32, the pressure plate 32 is connected with a cylinder 3 of which the piston rod 31 penetrates through the top end of the fluid storage cavity 2, a fluid adding hole 311 penetrating through the bottom side of the pressure plate 32 is formed in the joint of the piston rod 31 and the pressure plate 32, and a filter plate 23 is arranged at the bottom of the fluid storage cavity 2.
Industrial tail gas is added into a washing chamber 1 from an air inlet port 12, the washing chamber 1 is divided into an air flow layer 113 and a liquid flow layer 114 which are alternately arranged by a partition plate 112, the air inlet port 12 is communicated with the air flow layer 113, the liquid flow layer 114 is communicated with a liquid storage cavity 2, alkali liquor in the liquid storage cavity 2 flows into a washing cavity 11 through the liquid flow layer 114 under the pressurization of a cylinder 3 connected with the top end of the liquid storage cavity 2, a choking belt 115 is fixedly connected with the end parts of two partition plates 112 above and below the liquid flow layer 114, and the choking belt 115 made of rubber has certain resistance, so that the alkali liquor can be extruded from the middle parts of the two choking belts 115 to form a water curtain, the end parts of the choking belt 115 are fixedly connected with a support rod, when the choking belt 115 is pressed by water, the opening degree of each part is consistent, the water curtain is prevented from being broken, and the water curtain source can be kept continuously under certain pressure, The pump pipe 24, the liquid feeding hole 311 reenters into the stock solution chamber 2, and the alkali lye in the alkali lye chamber 21 adds the alkali lye of certain concentration in passing through the alkali lye pipe 22, the liquid feeding hole 311 to the stock solution chamber 2 under the drive of external pressure equipment simultaneously to keep the alkali lye concentration in the stock solution chamber 2, set up filter plate 23 in the stock solution chamber 2, filter the sediment through filter plate 23, the part that the alkali lye pipe 22, the pump pipe 24 are located the stock solution chamber 2 is the hose that has certain deformation surplus.
Example 3
As shown in fig. 1-6, the tail gas deodorizing and purifying device includes a washing chamber 1, the washing chamber 1 is communicated with an adsorption chamber 5, the adsorption chamber 5 is communicated with a combustion chamber 6, the adsorption chamber 5 includes an adsorption chamber 51 and an evaporation chamber, a reflux layer is disposed outside the evaporation chamber, the combustion chamber 6 is communicated with the reflux layer, the reflux layer is communicated with an air inlet port 12 of the washing chamber 1, the washing chamber 1 is divided into a liquid flow layer 114 and an air flow layer 113 which are alternately disposed by a partition plate 112, a reflux groove is disposed at the other side of the washing chamber 1, the bottom end of the reflux groove is communicated with an air inlet port of the washing chamber 1 by a pump and a liquid pipe, the adsorption chamber 5 is cylindrical, the adsorption chamber 5 is divided into the adsorption chamber 51, the evaporation chamber and a cooling chamber 53 by a vertical plate, the top end of the adsorption chamber 51 is communicated with an exhaust pipe 10, and the top end of the evaporation chamber is communicated, the adsorption chamber 5 is rotatably connected with a filter cartridge 55, the filter cartridge 55 comprises three fan-shaped areas separated by a vacuum plate 54 and corresponding to an adsorption chamber 51, an evaporation chamber and a cooling chamber 53, the evaporation chamber comprises an inner heat conduction plate 56, the vacuum plate 54 is arranged on the outer layer of the heat conduction plate 56, a gap layer 59 communicated with the combustion chamber 6 is reserved between the heat conduction plate 56 and the vacuum plate 54, the gap layer 59 is communicated with the air inlet port 12 of the washing chamber 1, an electric heating wire 57 is fixedly connected to the outer side of the heat conduction plate 56, a one-way valve is arranged at the joint of the adsorption chamber 5 and the combustion chamber 6, and an air supply valve is arranged on the side surface of the combustion chamber 6.
The gas washed by the washing chamber 1 enters the adsorption cavity 51 of the adsorption chamber 5 through the gas guide pipe 4, the washed tail gas contacts with the carbon fiber in the filter cartridge 55 at the top end of the adsorption cavity 51 when passing through the adsorption cavity 51, the macromolecular substance with odor is intercepted under the adsorption of the carbon fiber, the gas after adsorption is discharged from the exhaust pipe 10, after the carbon fiber in the filter cartridge 55 adsorbs a certain amount of substance or adsorbs a certain time, the filter cartridge 55 is rotated relative to the adsorption cavity 51 by rotating the filter cartridge 55, so that the carbon fiber with a large amount of odor substance is rotated into the evaporation cavity, at the moment, the electric heating wire 57 fixedly connected with the heat conducting plate 56 in the evaporation cavity is electrified to heat and heat the heat in the evaporation cavity, thereby heating and evaporating the carbon fiber in the evaporation cavity, the evaporated gas enters the combustion chamber 6, a one-way valve is arranged between the evaporation cavity and the combustion chamber 6 to prevent the gas in the combustion chamber 6 from flowing back and entering the, the gas with heat after reaction in the combustion chamber 6 enters a reflux layer between the heat conducting plate 56 and the vacuum plate 54 in the evaporation cavity through the heat conducting pipe 758, the gas in the reflux layer is in contact with the heat conducting plate 56 for heat exchange, the filter cartridge 55 in the evaporation cavity is heated, the gas after heat exchange enters the washing cavity 11 through the return pipe 9 for re-washing and is exhausted through the exhaust pipe 10 after adsorption, the odor in the tail gas is filtered to a higher degree, the emission of harmful substances is reduced, the evaporation cavity is set into three chambers which are equally divided by the vacuum plate 54, the filter cartridge 55 after evaporation can be cooled to the optimal adsorption temperature in the cooling cavity 53 and then be adsorbed, and the adsorption capacity of carbon fibers in unit volume is improved.
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.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The tail gas deodorization and purification process is characterized in that: comprises the following processing steps of the following steps,
s1, washing tail gas discharged in industrial production in a layered mode, wherein washing water is alkaline water, the washing water is pressurized to form a water layer in the washing process, and sprayed washing water flows back to enter a liquid storage cavity (2);
s2, introducing the washed gas into an adsorption mechanism, adsorbing the gas by carbon fibers, arranging the carbon fibers in a gas channel in a recyclable manner, and discharging odorous molecules adsorbed by the carbon fibers from the carbon fibers by heating and evaporating the recycled carbon fibers;
s3, introducing the gas obtained after the carbon fibers are heated and evaporated into a combustion chamber (6) through an air pipe, adding sufficient air to fully combust in an ignition state, and enabling the gas generated by combustion to sequentially pass through the side face of a heat exchange cavity used for heating the carbon fibers in S2 and the structure used for washing tail gas in S1.
2. The process for deodorizing and purifying exhaust gas according to claim 1, wherein: the washing water in S1 flows back and enters the water tank, and the alkaline solution with slightly high concentration is added into the water tank according to the precipitation amount while the precipitation at the bottom of the water tank is collected.
3. The process for deodorizing and purifying exhaust gas according to claim 1, wherein: and (6) heating the carbon fibers in the S2 in the closed cavity, and introducing the heated gas into the combustion chamber (6) through the closed pipeline.
4. Tail gas deodorization purifier, including the scrubbing chamber, its characterized in that: washing chamber (1) and adsorption chamber (5) intercommunication, adsorption chamber (5) and combustion chamber (6) intercommunication, adsorption chamber (5) are including adsorbing chamber (51), evaporation chamber, the evaporation chamber outside is provided with the backward flow layer, combustion chamber (6) and backward flow layer intercommunication, the backward flow layer communicates with washing chamber (1) inlet port (12), separate for liquid flow layer (114), the air current layer (113) that set up in turn through baffle (112) in washing chamber (1), lie in washing chamber (1) opposite side is provided with the backwash tank, the feed liquor port intercommunication of pump machine, liquid pipe and washing chamber (1) is passed through to the backwash tank bottom.
5. The exhaust gas deodorizing and purifying device according to claim 4, characterized in that: baffle (112) have a plurality of and parallel arrangement, adjacent two baffle (112) one end is sealed, two upper and lower baffle (112) tip difference fixedly connected with choking area (115) on liquid flow layer (114), choking area (115) tip laminating, choking area (115) is made by rubber, and is located choking area (115) that liquid flow layer (114) top baffle (112) are connected and is located the choking area (115) outside that below baffle (112) are connected, choking area (115) tip fixedly connected with bracing piece.
6. The exhaust gas deodorizing and purifying device according to claim 5, characterized in that: the liquid flow layer (114) is communicated with the liquid storage cavity (2), a pressurizing plate (32) is connected in the liquid storage cavity (2) in a sliding mode, the pressurizing plate (32) is connected with a cylinder (3) of which the piston rod (31) penetrates through the top end of the liquid storage cavity (2), a liquid adding hole (311) which penetrates through the bottom side of the pressurizing plate (32) is formed in the joint of the piston rod (31) and the pressurizing plate (32), and a filtering plate (23) is arranged at the bottom of the liquid storage cavity (2).
7. The exhaust gas deodorizing and purifying device according to claim 4, characterized in that: the adsorption chamber (5) is cylindrical, the adsorption chamber (5) is divided into an adsorption cavity (51), an evaporation cavity and a cooling cavity (53) by a vertical plate, the top end of the adsorption cavity (51) is communicated with the exhaust pipe (10), the top end of the evaporation cavity is communicated with the combustion chamber (6), and the adsorption chamber (5) is rotatably connected with a filter cartridge (55).
8. The exhaust gas deodorizing and purifying device according to claim 7, characterized in that: the filter cartridge (55) comprises three fan-shaped areas which are separated by a vacuum plate (54) and correspond to the adsorption cavity (51), the evaporation cavity and the cooling cavity (53), the evaporation cavity comprises an inner heat conduction plate (56), the vacuum plate (54) is arranged on the outer layer of the heat conduction plate (56), a gap layer (59) communicated with the combustion chamber (6) is reserved between the heat conduction plate (56) and the vacuum plate (54), and the gap layer (59) is communicated with the air inlet port (12) of the washing chamber (1).
9. The exhaust gas deodorizing and purifying device according to claim 8, characterized in that: the adsorption device is characterized in that an electric heating wire (57) is fixedly connected to the outer side of the heat conducting plate (56), a one-way valve is arranged at the joint of the adsorption chamber (5) and the combustion chamber (6), and an air supply valve is arranged on the side surface of the combustion chamber (6).
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| CN202011376453.6A CN112619385A (en) | 2020-11-30 | 2020-11-30 | Tail gas deodorization and purification process and device |
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Application publication date: 20210409 |