CN215276514U - Organic waste gas treatment device - Google Patents
Organic waste gas treatment device Download PDFInfo
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- CN215276514U CN215276514U CN202120551412.XU CN202120551412U CN215276514U CN 215276514 U CN215276514 U CN 215276514U CN 202120551412 U CN202120551412 U CN 202120551412U CN 215276514 U CN215276514 U CN 215276514U
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Abstract
The utility model belongs to the technical field of exhaust-gas treatment, specifically disclose an organic waste gas processing apparatus, organic waste gas is in proper order through waste gas collection mouth, cyclone depainting tower, dry filter, zeolite rotary drum molecular sieve and heat accumulation formula fire burning furnace, in cyclone depainting tower, the coating cloud in the organic waste gas is washed, the friction, the extrusion, centrifugal separation, make the coating cloud clearance reach 90%, effectively reduce the danger of inflammable and explosive class organic waste gas pollutant, the safety in utilization of device has been improved, in dry filter, the coating cloud collides with dry-type coating cloud filter fiber, fully adsorb on dry-type coating cloud filter fiber, then fire burning furnace processing through zeolite rotary drum molecular sieve and heat accumulation formula, make organic waste gas by the oxidative decomposition carbon dioxide and water, make it reach emission standard after discharge and go out. The device adopts multistage purification treatment mode, reduces the harmful substance in the organic waste gas step by step, and purification efficiency is high, and easy maintenance has improved atmospheric air quality, has reduced pollutant discharge.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to organic waste gas treatment device.
Background
The waste gas treatment refers to the treatment of dust particles, smoke and dust, peculiar smell gas and toxic and harmful gas, and common waste gas treatment includes factory smoke and dust waste gas treatment, workshop dust waste gas treatment, organic waste gas treatment, waste gas peculiar smell treatment, acid-base waste gas treatment, chemical waste gas treatment and the like. The paint is widely applied to the field of surface treatment of products such as furniture manufacturing, shoe manufacturing, automobile production, mechanical manufacturing, household appliances, electromechanics, plastics, hardware and the like, organic waste gas pollutants such as benzene, toluene, xylene and other Volatile Organic Compounds (VOCs) are easily generated during paint spraying, the organic waste gas can pollute the atmosphere, and many of the organic waste gas pollutants are carcinogens.
Currently, inhalable particles have become an important source of air quality hazard, and Volatile Organic Compounds (VOCs) are a large source of inhalable particles. VOCs are mainly derived from industrial production, and volatile organic compounds are constantly polluting the air in various applications where organic solvents are used, such as painting, printing, metal degreasing and degreasing, adhesives. In order to maintain the air quality in the environment, various methods have been used to remove volatile organic compounds. However, most of the existing organic waste gas treatment devices have the problems of low treatment efficiency, high use cost and large amount of residual volatile organic compounds, and some organic waste gas treatment devices can even generate secondary pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to prior art's not enough, provide an organic waste gas processing apparatus, can effectively solve the problem that the coating cloud granule was got rid of, improve organic waste gas compound's treatment effect, reduce the harmful effects that organic waste gas led to the fact the environment and effectively reduce treatment cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an organic waste gas treatment device, comprising in order in the flow direction of an organic waste gas:
at least one waste gas collecting port, which is arranged above the organic waste gas source and is used for collecting the organic waste gas;
the air inlet end of the cyclone paint removing tower is connected with the waste gas collecting port and is used for removing paint mist in the organic waste gas;
the air inlet end of the dry filter is connected with the air outlet end of the cyclone paint removal tower and is used for purifying paint mist in the organic waste gas;
the gas inlet end of the zeolite drum molecular sieve is connected with the gas outlet end of the dry filter and is used for adsorbing and concentrating the organic waste gas;
the heat accumulating type combustion furnace is connected with the air outlet end of the zeolite revolving drum molecular sieve at the air inlet end and used for heating the organic waste gas so as to decompose the organic waste gas into carbon dioxide and water vapor;
wherein, cyclone paint removal tower bottom is provided with circulation tank, circulation tank with cyclone paint removal tower formula structure as an organic whole, add in the circulation tank and have the coating cloud decomposition agent.
As an organic waste gas processing apparatus's an improvement, the cyclone paint removal tower still includes the toper fill that communicates each other, packs defogging layer, spray set, cyclone and air inlet chamber, spray set with circulation tank passes through the pipe connection, the circulation tank upper end is provided with the infundibulate and collects the board, the cyclone is a plurality of vertical distribution's whirl pipe, the lower extreme of whirl pipe is provided with first whirl board, first whirl board is used for guiding organic waste gas to encircle the whirl pipe rises with the spiral whirl, the upper end of whirl pipe is provided with the second whirl board, the second whirl board is used for guiding the circulating water to encircle whirl pipe spiral whirl, the air inlet chamber set up in cyclone's lower extreme.
As an improvement of the organic waste gas treatment device, the thickness of the rotating wheel of the zeolite rotating drum molecular sieve is 400-1200 mm.
As an organic waste gas processing apparatus's an improvement, be provided with exhaust gas concentration analyzer on regenerative combustion furnace's the inlet end pipeline, exhaust gas concentration analyzer is used for detecting organic waste gas concentration.
As an improvement of an organic waste gas treatment device, the waste gas is collected the mouth and is provided with the suction fan, the suction fan casing adopts the polytetrafluoroethylene material to make, has corrosion-resistant moisture resistance function.
As an improvement of an organic waste gas treatment device, the filler defogging layer includes pall ring packing layer and/or baffling board play water layer, pall ring packing layer and/or baffling board play water layer are used for getting rid of the water smoke granule that organic waste gas carried.
As an organic waste gas treatment device's an improvement, be provided with the flame detection instrument in the regenerative combustion furnace, the flame detection instrument is used for detecting combustion temperature in the regenerative combustion furnace.
As an improvement of the organic waste gas treatment device, the paint mist decomposer is 40 wt% of CHB2718 paint mist coagulant, 20 wt% of CHB2727 environment-friendly degradable paint mist coagulant, 20 wt% of poly-p-phthaloyl-p-diaminodiphenyl ether amide and 20 wt% of active foaming agent.
Wherein the active foaming agent comprises at least one of lauric acid diethanolamide, alkyl glycoside, tea saponin and fatty alcohol-polyoxyethylene ether.
As an improvement of the organic waste gas treatment device of the utility model, the combustion temperature of the regenerative combustion furnace is 800-900 ℃.
The beneficial effects of the utility model reside in that: the utility model provides a pair of organic waste gas processing apparatus, organic waste gas passes through waste gas collection mouth in proper order, cyclone depainting tower, dry-type filter, zeolite rotary drum molecular sieve, the heat accumulation formula fires burning furnace, in cyclone depainting tower, paint in the organic waste gas fully contacts with the rotatory rivers in the cyclone depainting tower, it regards aqueous solution as filtering carrier, under the synergistic effect of multiple factors such as circulating water that is the whirl state and centrifugal force, the coating cloud in the organic waste gas is washed, the friction, the extrusion, centrifugal separation, make the coating cloud clearance reach 90%, and adopt the mode that the wet-type water washed the filtered coating cloud, effectively reduce the danger of organic waste gas pollutant such as inflammable and explosive, the safety in utilization of device has been improved, in dry-type filter, the flow direction of organic waste gas produces level and vertical twice tortuous, make coating cloud and dry-type coating cloud filter fibre collision, the organic waste gas is heated to a set oxidation temperature of more than 800 ℃, so that the organic waste gas is oxidized and decomposed into carbon dioxide and water, and the carbon dioxide and the water are discharged after reaching the discharge standard. The device adopts multistage purification treatment mode, reduces the harmful substance in the organic waste gas step by step, and purification efficiency is high, and easy maintenance has improved atmospheric air quality, has reduced pollutant discharge.
Drawings
FIG. 1 is a schematic structural view of an organic waste gas treatment device according to the present invention;
FIG. 2 is one of the schematic structural views of a cyclone paint removal tower;
FIG. 3 is a second schematic structural view of a cyclone paint removal tower;
fig. 4 is a schematic view of the flow of organic exhaust gas inside a dry filter.
Wherein:
1-an exhaust gas collection port; 11-a suction fan;
2-cyclone paint-removing tower; 21-a conical hopper; 22-a filler defogging layer; 221-pall ring packing layer; 222-baffle outlet layer; 23-a spraying device; 231-a circulating water pump; 232-a control valve; 233-spray head; 24-a cyclonic device; 241-a swirl conduit; 242-a first swirl plate; 243-a second swirl plate; 25-an air inlet chamber;
3-a dry filter;
4-zeolite drum molecular sieve;
5-regenerative combustion furnace;
6-a circulating water tank;
7-exhaust gas concentration analyzer.
Detailed Description
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, or an electrical connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it should be understood that the term "and/or" used in the present application is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the characters "three" in this document generally indicate that the former and latter associated objects are in an "or" relationship.
In the description of the application, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the present invention.
Examples
As shown in fig. 1 to 4, the organic waste gas treatment device provided in this embodiment sequentially includes, in a flowing direction of the organic waste gas: the device comprises at least one waste gas collecting port 1, a cyclone paint removing tower 2, a dry filter 3, a zeolite drum molecular sieve 4 and a regenerative combustion furnace 5, wherein the waste gas collecting port 1 is arranged above an organic waste gas source and is used for collecting organic waste gas; the air inlet end of the cyclone paint-removing tower 2 is connected with the waste gas collecting port 1 and is used for removing paint mist in the organic waste gas; the air inlet end of the dry filter 3 is connected with the air outlet end of the cyclone paint removal tower 2 and is used for purifying paint mist in the organic waste gas; the air inlet end of the zeolite drum molecular sieve 4 is connected with the air outlet end of the dry filter 3 and is used for adsorbing and concentrating the organic waste gas; the inlet end of the regenerative combustion furnace 5 is connected with the outlet end of the zeolite drum molecular sieve 4 and is used for heating the organic waste gas to decompose the organic waste gas into carbon dioxide and water vapor; wherein, cyclone depainting tower 2 bottom is provided with circulating water tank 6, and circulating water tank 6 and cyclone depainting tower 2 formula structure as an organic whole, add in circulating water tank 6 and have the coating cloud decomposer.
In the embodiment, the organic waste gas is pumped by the suction fan 11 and passes through the waste gas collecting port 1, the cyclone paint removing tower 2, the dry filter 3, the zeolite drum molecular sieve 4 and the regenerative combustion furnace 5 in sequence, in the cyclone paint removing tower 2, the paint in the organic waste gas is fully contacted with the rotating water flow in the cyclone paint removing tower 2, the water solution is used as a filtering carrier, under the synergistic effect of various factors such as circulating water in a cyclone state and centrifugal force, the paint mist in the organic waste gas is washed, rubbed, extruded and centrifugally separated, the removal rate of the paint mist is up to 90 percent, and the mode of filtering the paint mist by wet washing is adopted, thereby effectively reducing the danger of organic waste gas pollutants such as flammability and explosiveness, improving the use safety of the device, in the dry filter 3, the flowing direction of the organic waste gas is bent twice horizontally and vertically, so that the paint mist collides with the dry paint mist filtering fibers, the organic waste gas is heated to the set oxidation temperature of more than 800 ℃, so that the organic waste gas is oxidized and decomposed into carbon dioxide and water, and the carbon dioxide and the water are discharged after reaching the discharge standard. The device adopts multistage purification treatment mode, reduces the harmful substance in the organic waste gas step by step, and purification efficiency is high, and easy maintenance has improved atmospheric air quality, has reduced pollutant discharge.
Preferably, the cyclone paint removing tower 2 further comprises a conical hopper 21, a filler defogging layer 22, a spraying device 23, a cyclone device 24 and an air inlet chamber 25 which are communicated with each other, the spraying device 23 is connected with the circulating water tank 6 through a pipeline, a funnel-shaped collecting plate is arranged at the upper end of the circulating water tank 6, the cyclone device 24 is a plurality of vertically distributed cyclone guide pipes 241, a first cyclone plate 242 is arranged at the lower end of the cyclone guide pipe 241, the first cyclone plate 242 is used for guiding the organic waste gas to rise around the cyclone guide pipe 241 in a spiral cyclone manner, a second cyclone plate 243 is arranged at the upper end of the cyclone guide pipe 241, the second cyclone plate 243 is used for guiding the circulating water to spiral around the cyclone guide pipe 241, and the air inlet chamber 25 is arranged at the lower end of the cyclone device 24.
The spraying device 23 includes a circulating water pump 231, a control valve 232, and a plurality of spray heads 233 arranged side by side. In this embodiment, the control valve 232 is a multifunctional TM.F65B3 control valve, and the diameter of the nozzle 233 is set to 10 mm. The spherical filler for increasing the gas-liquid contact area is filled among the plurality of cyclone conduits 241, one side surface of the air inlet chamber 25 is provided with an air inlet, organic waste gas enters the air inlet chamber 25 through the air inlet, the organic waste gas rises around the cyclone conduits 241 in a cyclone state in a spiral cyclone manner under the guiding action of the first cyclone plate 242, circulating water is sprayed from the spray nozzle 233 sequentially and simultaneously, the circulating water flows spirally around the cyclone conduits 241 under the guiding action of the second cyclone plate 243, by adopting the structural design, the organic waste gas, the circulating water and the spherical filler move spirally around the cyclone conduits 241 together, air flow and liquid flow rotating at high speed are formed under the synergistic action of various factors such as circulating water in a cyclone state and centrifugal force, a layer of water liquid film is formed at the air inlet, and when the organic waste gas flows through the water liquid film, the water film rotating at high speed is fully contacted, the mixed state of steam and water is achieved, the paint mist in the organic waste gas is washed, rubbed, extruded and centrifugally separated, the concentration of the paint mist in the ascending air flow is lower and lower, and when the air flow reaches the top of the cyclone paint removal tower 2, most of the paint mist, dust and viscous gas are separated.
Preferably, the thickness of the rotating wheel of the zeolite drum molecular sieve 4 is 400-1200 mm.
In order to improve the adsorption and purification effect of the zeolite drum molecular sieve 4, the zeolite drum molecular sieve 4 in this embodiment is a rotating wheel filled with an adsorbent, and is provided with an adsorption region, a desorption region and a cooling region, the organic waste gas is adsorbed by the adsorbent in the adsorption region, and further purifies the organic matters in the organic waste gas to obtain relatively pure gas, furthermore, the zeolite drum molecular sieve 4 rotates, the adsorbent with adsorbed organic compounds rotates from the adsorption region to the desorption region, the organic compounds are desorbed and flow out with the regeneration air in the process of contacting with the high-temperature air, and at the same time, the adsorbent is regenerated, the zeolite drum molecular sieve 4 rotates to the cooling region, the regenerated adsorbent is cooled by the cooling region, and then continues to be adsorbed in the adsorption region, and the adsorbent performs periodic adsorption and purification with the rotation of the zeolite drum molecular sieve 4, Desorption and regenerative cooling are carried out, the organic waste gas is purified, the use cost is effectively reduced, and the purification efficiency is improved.
Preferably, an exhaust gas concentration analyzer 7 is arranged on a pipeline at the gas inlet end of the regenerative combustion furnace 5, and the exhaust gas concentration analyzer 7 is used for detecting the concentration of the organic exhaust gas.
Preferably, the exhaust gas collecting port 1 is provided with a suction fan 11, and a shell of the suction fan 11 is made of polytetrafluoroethylene, so that the exhaust gas collecting port has the functions of corrosion resistance and moisture resistance. The shell of the suction fan 11 is made of polytetrafluoroethylene materials, so that the service life of the device can be effectively prolonged, and meanwhile, the suction of the suction fan 11 ensures that organic waste gas can smoothly enter the organic waste gas treatment device, so that the pollution to the atmospheric environment is reduced.
Preferably, the packing defogging layer 22 comprises a pall ring packing layer 221 and/or a baffle water outlet layer 222, and the pall ring packing layer 221 and/or the baffle water outlet layer 222 are used for removing water fog particles carried by the organic waste gas.
Preferably, a flame detector is provided in the regenerative combustion furnace 5, and the flame detector is used to detect the combustion temperature in the regenerative combustion furnace 5.
Preferably, the paint mist decomposer is 40 wt% of CHB2718 paint mist coagulant, 20 wt% of CHB2727 environment-friendly degradable paint mist coagulant, 20 wt% of poly-p-terephthaloyl-diaminodiphenyl ether amide and 20 wt% of active foaming agent.
Wherein the active foaming agent comprises at least one of lauric acid diethanolamide, alkyl glycoside, tea saponin and fatty alcohol-polyoxyethylene ether.
Preferably, the combustion temperature of the regenerative combustion furnace 5 is 800 to 900 ℃.
In order to improve the purification effect of paint mist, a wet electrostatic device can be additionally arranged between the cyclone paint removal tower 2 and the dry filter 3, under the action of high-voltage static electricity, the corona cathode line continuously emits electrons, gas between electrodes is ionized into positive and negative ions, and dust, acid mist and the like collide with the electrons to generate charge. Then, by utilizing the principle that like charges repel and opposite charges attract, the charged dust, paint mist and the like move to the electrode with the polarity opposite to that of the electrode. Particulate matters, paint mist and the like are adsorbed on the anode wall, and dust and acid mist adsorbed on the anode wall are washed to the bottom of the equipment through spraying to be removed. By adding the wet electrostatic device, the removal rate of the paint mist reaches up to 99 percent.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. An organic waste gas treatment device, characterized by comprising in order along the organic waste gas flow direction:
at least one waste gas collecting port (1), wherein the waste gas collecting port (1) is arranged above the organic waste gas source and is used for collecting organic waste gas;
the air inlet end of the cyclone paint removal tower (2) is connected with the waste gas collecting port (1) and is used for removing paint mist in the organic waste gas;
the air inlet end of the dry filter (3) is connected with the air outlet end of the cyclone paint removal tower (2) and is used for purifying paint mist in organic waste gas;
the gas inlet end of the zeolite rotary drum molecular sieve (4) is connected with the gas outlet end of the dry filter (3) and is used for adsorbing and concentrating the organic waste gas;
and the gas inlet end of the regenerative combustion furnace (5) is connected with the gas outlet end of the zeolite drum molecular sieve (4) and is used for heating the organic waste gas so that the organic waste gas is decomposed into carbon dioxide and water vapor.
2. The organic waste gas treatment device according to claim 1, characterized in that:
the bottom of the cyclone paint removal tower (2) is provided with a circulating water tank (6), the circulating water tank (6) and the cyclone paint removal tower (2) are of an integrated structure, and a paint mist decomposing agent is added into the circulating water tank (6).
3. An organic exhaust gas treatment device according to claim 2, wherein:
the cyclone paint-removing tower (2) also comprises a conical hopper (21), a filler demisting layer (22), a spraying device (23), a cyclone device (24) and an air inlet chamber (25) which are communicated with each other, the spraying device (23) is connected with the circulating water tank (6) through a pipeline, a funnel-shaped collecting plate is arranged at the upper end of the circulating water tank (6), the cyclone device (24) is a plurality of cyclone conduits (241) which are distributed vertically, the lower end of the cyclone conduit (241) is provided with a first cyclone plate (242), the first cyclone plate (242) is used for guiding the organic waste gas to rise around the cyclone conduit (241) in a spiral cyclone, the upper end of the cyclone conduit (241) is provided with a second cyclone plate (243), the second cyclone plate (243) is used for guiding circulating water to spirally swirl around the cyclone conduit (241), the air inlet chamber (25) is provided at a lower end of the cyclone device (24).
4. The organic waste gas treatment device according to claim 1, characterized in that:
the thickness of the rotating wheel of the zeolite drum molecular sieve (4) is 400 mm-1200 mm.
5. The organic waste gas treatment device according to claim 1, characterized in that:
and an exhaust gas concentration analyzer (7) is arranged on an air inlet end pipeline of the regenerative combustion furnace (5), and the exhaust gas concentration analyzer (7) is used for detecting the concentration of the organic exhaust gas.
6. The organic waste gas treatment device according to claim 1, characterized in that:
waste gas collection mouth (1) is provided with suction fan (11), suction fan (11) casing adopts the polytetrafluoroethylene material to make, has corrosion-resistant moisture resistance function.
7. An organic exhaust gas treatment device according to claim 3, wherein:
the packing demisting layer (22) comprises a pall ring packing layer (221) and/or a baffle water outlet layer (222), and the pall ring packing layer (221) and/or the baffle water outlet layer (222) are used for removing water mist particles carried by the organic waste gas.
8. The organic waste gas treatment device according to claim 1, characterized in that:
a flame detector is arranged in the regenerative combustion furnace (5) and used for detecting the combustion temperature in the regenerative combustion furnace (5).
9. The organic waste gas treatment device according to claim 1, characterized in that:
the paint mist decomposer is 40 wt% of CHB2718 paint mist coagulant, 20 wt% of CHB2727 environment-friendly degradable paint mist coagulant, 20 wt% of poly-p-phthaloyl diamino diphenyl ether amide and 20 wt% of active foaming agent.
10. The organic waste gas treatment device according to claim 1, characterized in that:
the combustion temperature of the regenerative combustion furnace (5) is 800-900 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120551412.XU CN215276514U (en) | 2021-03-17 | 2021-03-17 | Organic waste gas treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120551412.XU CN215276514U (en) | 2021-03-17 | 2021-03-17 | Organic waste gas treatment device |
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| CN215276514U true CN215276514U (en) | 2021-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563384A (en) * | 2024-01-17 | 2024-02-20 | 江苏三吉利化工股份有限公司 | Furanol organic waste gas efficient recovery process and equipment |
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2021
- 2021-03-17 CN CN202120551412.XU patent/CN215276514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563384A (en) * | 2024-01-17 | 2024-02-20 | 江苏三吉利化工股份有限公司 | Furanol organic waste gas efficient recovery process and equipment |
| CN117563384B (en) * | 2024-01-17 | 2024-04-05 | 江苏三吉利化工股份有限公司 | Furanol organic waste gas efficient recovery process and equipment |
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