CN214426017U - Rubber high concentration waste gas treatment system - Google Patents
Rubber high concentration waste gas treatment system Download PDFInfo
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- CN214426017U CN214426017U CN202023286338.8U CN202023286338U CN214426017U CN 214426017 U CN214426017 U CN 214426017U CN 202023286338 U CN202023286338 U CN 202023286338U CN 214426017 U CN214426017 U CN 214426017U
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Abstract
The utility model discloses a rubber high concentration waste gas treatment system, it belongs to exhaust-gas treatment technical field, include the caustic wash tower that carries out the alkali wash to banburying workshop waste gas, the caustic wash tower is connected with deoiling filter equipment, deoiling filter equipment is connected with the active carbon and inhales desorption apparatus, the active carbon is inhaled desorption apparatus and is connected with first centrifugal fan and desorption fan, first centrifugal fan is connected with the chimney, desorption fan is connected with the catalysis and fires burning furnace, the catalysis fire burning furnace respectively with desorption apparatus, chimney intercommunication are inhaled to the active carbon.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, concretely relates to rubber high concentration waste gas treatment system.
Background
During the production of rubber tires, a certain amount of rubber wheels is producedTire exhaust gas. The pollution factors of the waste gas are mainly pollutants such as industrial dust, stink and the like, although the pollution intensity is low, the waste gas emission is large, the pollution components are complex and changeable, especially the stink components in the waste gas cause certain pollution to the surrounding environment and the plant area environment, and the phenomenon of disturbing residents is difficult to avoid. The fume generated in the production process of the mixing workshop and the vulcanizing workshop contains H2S、NH3、CS2Trace organic component gases such as mercaptan, organic sulfide, amine and the like not only cause direct harm to the health of operators, but also pollute the surrounding atmospheric environment.
However, the treatment effect of various rubber tail gas treatment methods in the prior art is not ideal, the treatment process and objects are single, and the requirements of solid particles, VOCs (volatile organic chemicals) and H (hydrogen) in the tail gas treatment process cannot be met simultaneously2S、NH3、CS2The treatment of mercaptan, organic sulfide and amine has undesirable effect in practical application.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a pair of rubber high concentration waste gas treatment system adopts the processing technology who washes with alkaline + deoiling and filter + desorption + catalytic combustion is inhaled on line to active carbon, can carry out abundant processing to the waste gas in the rubber banburying workshop, reaches the purpose that the environmental protection was discharged.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a high concentration waste gas treatment system of rubber, includes the caustic wash tower that carries out the alkali wash to banburying workshop waste gas, the caustic wash tower is connected with deoiling filter equipment, deoiling filter equipment is connected with the active carbon and inhales desorption device, the active carbon is inhaled desorption device and is connected with first centrifugal fan and desorption fan, first centrifugal fan is connected with the chimney, desorption fan is connected with the catalysis and fires burning furnace, the catalysis fire burning furnace respectively with desorption device, chimney intercommunication are inhaled to the active carbon.
Preferably, the alkaline washing tower is also communicated with a bag-type dust collector, and the bag-type dust collector is connected with a second centrifugal fan for collecting gas at the feeding port and the discharging port.
Preferably, the activated carbon adsorption and desorption device comprises an activated carbon adsorption box, wherein n adsorbers made in a unit mode are connected in parallel in the activated carbon adsorption box, the n adsorbers are synchronously adsorbed and 1 adsorbers are synchronously desorbed on line, and the adsorption and desorption of the adsorbers are alternately operated in turn.
Preferably, the gas inlet end of the adsorber is provided with a first gas inlet and a first gas outlet, the first gas inlet and the first gas outlet are connected with the oil removal filtering device, the gas outlet end of the adsorber is provided with a second gas outlet and a second gas inlet, the first gas inlet is communicated with the oil removal filtering device, the second gas outlet is communicated with a first centrifugal fan, the second gas outlet is communicated with the catalytic combustion furnace, the first gas outlet is communicated with an auxiliary fan, the first gas inlet and the second gas outlet are matched to realize the adsorption of waste gas in the adsorber, and the second gas outlet and the first gas outlet are matched to realize the desorption of impurities in the adsorber.
Preferably, the alkali washing tower comprises a tower body, the bottom of the tower body is communicated with a liquid storage tank, one end of the tower body close to the liquid storage tank is provided with an air inlet, waste gas in an internal mixing workshop, a feeding port and a discharging port are injected into the tower body through the air inlet for alkali washing, an air distribution layer communicated with the air inlet is arranged in the tower body, the upper end of the tower body is communicated with an air outlet pipe, one end of the tower body close to the air outlet pipe is provided with a demisting mechanism, a plurality of alkali washing mechanisms are arranged in the tower body between the air distribution layer and the demisting mechanism, the liquid storage tank, the air distribution layer, the plurality of alkali washing mechanisms and the demisting mechanism are sequentially communicated, the liquid storage tank is connected with a liquid outlet pipe, the liquid outlet pipe is communicated with the demisting mechanism, the demisting mechanism is communicated with the alkali washing mechanism, a delivery pump is arranged on the liquid outlet pipe, and a heat exchange mechanism is arranged on the liquid outlet pipe between the delivery pump and the liquid storage tank, the air outlet pipe is communicated with the heat exchange mechanism;
the heat exchange mechanism comprises a refrigerating bin and a heating bin, a semiconductor refrigerator is arranged between the refrigerating bin and the heating bin, the liquid outlet pipe is communicated with the refrigerating bin, one end of the heating bin is communicated with the gas outlet pipe, and the other end of the heating bin is communicated with the oil removal filtering device.
Preferably, liquid reserve tank upper portion is equipped with the installation ring platform, install first filter screen on the installation ring platform, in the liquid reserve tank install the second filter screen on the drain pipe, the filling tube is installed to the liquid reserve tank lateral wall.
Preferably, the alkali washing mechanism comprises a support frame fixedly installed in the tower body, a packing layer is arranged on the support frame, a guide pipe is arranged on the tower body above the packing layer, a plurality of uniformly distributed spray heads are communicated with the guide pipe, and the guide pipe penetrates through the tower body and is communicated with the demisting mechanism.
Preferably, the demisting mechanism comprises a plurality of heat exchange tube sets distributed alternately, one end of each heat exchange tube set is communicated with the refrigerating bin, the other end of each heat exchange tube set is communicated with the guide tube, and the heat exchange tube sets are arranged on the inner wall of the tower body.
Preferably, the heat exchange tube group includes a plurality of evenly distributed's heat exchange tube, is equipped with the return bend intercommunication between the adjacent heat exchange tube, return bend fixed mounting be in on the tower body inner wall, the heat exchange tube surface is equipped with helical fin.
Preferably, the surfaces of the heat exchange tube and the spiral fin are both provided with enamel layers.
The utility model has the advantages of that:
1. the utility model adopts the treatment processes of alkali washing, oil removal and filtration, on-line adsorption and desorption of active carbon and catalytic combustion, and can fully treat the waste gas in the rubber mixing workshop to achieve the purpose of environmental protection and emission;
2. the utility model discloses in active carbon each unit of absorption desorb in turn in proper order, each unit is automatic to be converted to the adsorption state after the desorption is accomplished, next unit conversion is to the desorption state simultaneously, make the adsorber be in n-1 unit adsorb simultaneously, the operating condition that 1 unit is synchronous to be desorbed all the time, can guarantee that each production line organic waste gas obtains effective treatment, can make the adsorbent remain effective activity all the time again, also be called online desorption, needn't shut down and just can accomplish the desorption operation, reduce the influence to the normal production work in workshop;
3. in the utility model, the alkali liquor circulating and flowing in the liquid storage tank is cooled by the semiconductor refrigerator, and meanwhile, the waste gas discharged from the gas outlet pipe is heated, so that the cooling effect of the waste gas can be ensured, the waste gas discharged from the tower body can be preheated, and the phenomenon that the temperature of the waste gas is reduced after alkali washing to cause grease to be adhered to a pipeline is avoided;
4. in the utility model, the liquid outlet pipe is communicated with the heat exchange mechanism and the demisting mechanism in sequence, the cooled alkali liquor carries out indirect heat exchange on the gas after alkali washing through the heat exchange pipe group, and the direct heat exchange is completed when alkali washing is carried out on the waste gas by spraying the alkali liquor through the spray head communicated with the conduit, so that the alkali liquor can effectively reduce the temperature of the waste gas, is favorable for the liquefaction and condensation of water vapor and is convenient for removing the moisture in the waste gas;
5. in the utility model, the multi-layer alkaline washing mechanism is used for carrying out alkaline washing on the waste gas for a plurality of times, so that acidic materials in the waste gas can be effectively neutralized, most of particulate matters, floccules, dust and partial ether lipid materials in the waste gas are removed, and most of acidic materials and components which are easy to dissolve in water solution are absorbed;
6. the utility model discloses in carry out the secondary filter through the first filter screen of installation in the liquid reserve tank and second filter screen to the alkali lye of recycling, can collect the precipitate, avoid the precipitate to get into and adhere to the pipe wall in the drain pipe, influence the heat transfer effect of alkali lye in the refrigeration storehouse.
Drawings
FIG. 1 is a schematic view of the overall frame of a rubber high concentration waste gas treatment system of the present invention;
FIG. 2 is a schematic structural diagram of an alkaline washing tower of the rubber high-concentration waste gas treatment system of the present invention.
In the figure: 1-alkaline washing tower, 2-oil removing and filtering device, 3-activated carbon adsorption and desorption device, 4-first centrifugal fan, 5-desorption fan, 6-chimney, 7-catalytic combustion furnace, 8-bag dust remover, 9-second centrifugal fan, 1001-tower body, 1002-liquid storage tank, 1003-air inlet, 1004-gas distribution layer, 1005-gas outlet pipe, 1006-demisting mechanism, 1007-heat exchange mechanism, 1008-support frame, 1009-packing layer, 1010-guide pipe, 1011-spray head, 1012-delivery pump, 1013-liquid outlet pipe, 1014-first filter screen and 1015-second filter screen.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
The system for treating the high-concentration waste gas of the rubber comprises an alkaline washing tower 1 for performing alkaline washing on waste gas in an internal mixing workshop, wherein the alkaline washing tower 1 is connected with an oil removal filtering device 2, the oil removal filtering device 2 is connected with an activated carbon adsorption and desorption device 3, the activated carbon adsorption and desorption device 3 is connected with a first centrifugal fan 4 and a desorption fan 5, the first centrifugal fan 4 is connected with a chimney 6, the desorption fan 5 is connected with a catalytic combustion furnace 7, and the catalytic combustion furnace 7 is respectively communicated with the activated carbon adsorption and desorption device 3 and the chimney 6.
The alkaline tower 1 is also communicated with a bag-type dust collector 8, and the bag-type dust collector 8 is connected with a second centrifugal fan 9 for collecting gas at a feeding port and a discharging port; the activated carbon adsorption and desorption device 3 comprises an activated carbon adsorption box, wherein n unitized absorbers are arranged in the activated carbon adsorption box, wherein n-1 absorbers synchronously adsorb, 1 absorber synchronously desorbs on line, and the adsorption and desorption of the absorbers alternately operate; the gas inlet end of the adsorber is provided with a first gas inlet and a first gas outlet which are connected with the oil removal filtering device 2, the gas outlet end of the adsorber is provided with a second gas outlet and a second gas inlet, the first gas inlet is communicated with the oil removal filtering device 2, the second gas outlet is communicated with a first centrifugal fan 4, the second gas outlet is communicated with a catalytic combustion furnace 7, the first gas outlet is communicated with an auxiliary fan, the first gas inlet and the second gas outlet are matched to realize the adsorption of waste gas in the adsorber, the second gas outlet is matched with the first gas outlet to realize the impurity desorption in the adsorber, and pipeline valves are respectively arranged on the first gas inlet, the second gas outlet and the first gas outlet; the alkali washing tower 1 comprises a tower body 1001, the bottom of the tower body 1001 is communicated with a liquid storage tank 1002, one end of the tower body 1001 close to the liquid storage tank 1002 is provided with a gas inlet 1003, waste gas in an internal mixing workshop, gas at a feeding port and a discharging port are injected into the tower body 1001 through the gas inlet 1003 for alkali washing, a gas distribution layer 1004 communicated with the gas inlet 1003 is arranged in the tower body 1001, the upper end of the tower body 1001 is communicated with a gas outlet pipe 1005, one end of the tower body 1001 close to the gas outlet pipe 1005 is provided with a demisting mechanism 1006, a plurality of alkali washing mechanisms are arranged in the tower body 1001 between the gas distribution layer 1004 and the demisting mechanism 1006, the liquid storage tank 1002, the gas distribution layer 1004, the plurality of alkali washing mechanisms and the demisting mechanism 1006 are sequentially communicated, the liquid storage tank 1002 is connected with a liquid outlet pipe 1013, the liquid outlet pipe 1013 is communicated with the demisting mechanism 1006, and the demisting mechanism 1006 is communicated with the alkali washing mechanism, a delivery pump 1012 is arranged on the liquid outlet pipe 1013, a heat exchange mechanism 1007 is arranged on the liquid outlet pipe 1013 between the delivery pump 1012 and the liquid storage tank 1002, and the gas outlet pipe 1005 is communicated with the heat exchange mechanism 1007; the heat exchange mechanism 1007 comprises a refrigerating bin and a heating bin, a semiconductor refrigerator is arranged between the refrigerating bin and the heating bin, the liquid outlet pipe 1013 is communicated with the refrigerating bin, one end of the heating bin is communicated with the gas outlet pipe 1005, and the other end of the heating bin is communicated with the oil removal filtering device 2; an installation ring platform is arranged at the upper part of the liquid storage tank 1002, a first filter screen 1014 is installed on the installation ring platform, a second filter screen 1015 is installed on the liquid outlet pipe 1013 in the liquid storage tank 1002, and a feeding pipe is installed on the side wall of the liquid storage tank 1002; the alkali washing mechanism comprises a support frame 1008 fixedly arranged in the tower body 1001, a filler layer 1009 is arranged on the support frame 1008, a guide pipe 1010 is arranged on the tower body 1001 above the filler layer 1009, a plurality of uniformly distributed spray heads 1011 are communicated on the guide pipe 1010, and the guide pipe 1010 penetrates through the tower body 1001 and is communicated with the demisting mechanism 1006; the demisting mechanism 1006 comprises a plurality of heat exchange tube sets distributed at intervals, one end of each heat exchange tube set is communicated with the refrigeration bin, the other end of each heat exchange tube set is communicated with the guide tube 1010, and the heat exchange tube sets are arranged on the inner wall of the tower body 1001; the heat exchange tube group comprises a plurality of heat exchange tubes which are uniformly distributed, bent tubes are arranged between every two adjacent heat exchange tubes for communication, the bent tubes are fixedly arranged on the inner wall of the tower body 1001, and spiral fins are arranged on the outer surfaces of the heat exchange tubes; and enamel layers are arranged on the surfaces of the heat exchange tubes and the surfaces of the spiral fins.
The utility model discloses the during operation, at first banburying workshop rubber mixing machine dog-house, dust-containing waste gas such as discharge opening handles the back through sack cleaner 8 and second centrifugal fan 9, with the rubber mixing machine, the waste gas of conveyer belt department collection is sent to alkaline tower 1 after merging, waste gas is advanced to go into and carries out alkali lye spray washing in alkaline tower 1, gas is from up going down, alkali lye down spouts from last, gas-liquid is contact against the current in packing layer 1009, acid material is in the gas is with detaching by alkali lye, gas is after spray washing, most particulate matter, the floccule, dust etc. are got rid of, acid material and the material majority that can be dissolved in water are got rid of, partial ether, the lipid, the higher material that should not detach also is got rid of, waste gas after the processing gets into next processing unit through the spray tower export, then waste gas after the spray tower washing, be sent to and detach surplus grease in deoiling filter equipment 2, The sticky substance and the filtered waste gas enter an activated carbon adsorption and desorption device 3 for adsorption, the adsorber is manufactured in a unit mode, n adsorption units are configured according to the processing air volume, wherein n-1 adsorption units synchronously adsorb, 1 adsorption unit synchronously desorbs on line, and alternate operation is performed. Organic pollutants in gas are adsorbed and intercepted by activated carbon in an adsorber, the gas is purified, the purified gas is discharged at high altitude through an exhaust funnel, before the adsorbent is adsorbed and saturated, the activated carbon is desorbed by hot air at 100-120 ℃, an online VOCs gas detector is arranged at the outlet of an activated carbon adsorption box, when the concentration of NMHC gas at the outlet of the adsorption bed is detected to be more than or equal to 15mg/m3, desorption regeneration is started to be carried out on the adsorption bed, all units of activated carbon adsorption are desorbed in turn, after desorption of each unit is completed, the desorption is automatically switched to an adsorption state, and meanwhile, the next unit is switched to a desorption state, so that the adsorber is always in a working state that n-1 units of adsorption are carried out simultaneously and 1 unit of synchronous desorption are carried out. Therefore, the organic waste gas of each production line can be effectively treated, the adsorbent can always keep effective activity, the desorption is also called on-line, the desorption operation can be completed without stopping the machine, and the influence on the normal production work of a workshop is reduced; during online desorption, pipeline valves of a first air inlet and a second air outlet are required to be closed, the pipeline valves of the second air outlet and the first air outlet are opened to send hot air into an adsorber to be regenerated, the adsorbent is heated, organic substances, VOCs and the like adsorbed in the adsorbent material are desorbed and desorbed by hot air at 80-100 ℃, the adsorbed substances are introduced into catalytic combustion equipment to be subjected to low-temperature oxidative decomposition, the gas subjected to oxidative decomposition enters a heat exchanger to be subjected to heat exchange, the gas is subjected to high emission, and the treated waste gas is discharged by 15m through a discharge chimney 6;
the working process of the alkaline washing tower 1 is as follows: firstly controlling the semiconductor refrigerator and the delivery pump 1012 to work, then guiding waste gas collected in the rubber banburying process into the tower body 1001 through the gas inlet 1003, then enabling the waste gas to enter the gas distribution layer 1004 through the gas inlet 1003, then enabling the waste gas in the gas distribution layer 1004 to move upwards in the tower body 1001 to sequentially pass through a plurality of layers of the alkali washing mechanism and the demisting mechanism 1006, finally conducting preheating in the heating bin after gathering in the gas outlet pipe 1005, wherein in the process that the waste gas in the tower body 1001 moves upwards, the delivery pump 1012 enables alkali liquor in the liquid storage tank 1002 to sequentially pass through the cooling bin, the demisting mechanism 1006 and the alkali washing mechanism, in the alkali washing mechanism, the alkali liquor is sprayed through the spray nozzle 1011 on the guide pipe 1010, the alkali liquor is directly contacted with the waste gas in the filler layer 1009, and the alkali liquor is neutralized with acidic substances in the waste gas, most of particulate matters, floccules, dust and part of ether lipid substances in the waste gas are removed, most of acidic substances and components which are easy to dissolve in an aqueous solution are absorbed, meanwhile, the waste gas is cooled by alkali liquor, the waste gas after alkali washing continuously rises, and then the waste gas exchanges heat with the heat exchange mechanism 1007 at the upper part of the tower body 1001, so that the waste gas is further cooled, the water vapor in the waste gas is promoted to be further liquefied and condensed, and the moisture in the waste gas can be effectively removed.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. The utility model provides a high concentration waste gas treatment system of rubber, characterized by includes the caustic wash tower that carries out the alkali wash to banburying workshop waste gas, the caustic wash tower is connected with deoiling filter equipment, deoiling filter equipment is connected with the active carbon and inhales desorption device, the active carbon is inhaled desorption device and is connected with first centrifugal fan and desorption fan, first centrifugal fan is connected with the chimney, the desorption fan is connected with catalytic combustion furnace, catalytic combustion furnace respectively with desorption device, chimney intercommunication are inhaled to the active carbon.
2. The system for treating the high-concentration rubber exhaust gas as claimed in claim 1, wherein the alkaline tower is further communicated with a bag-type dust collector, and the bag-type dust collector is connected with a second centrifugal fan for collecting the gas at the feeding port and the discharging port.
3. The system of claim 1, wherein the activated carbon adsorption and desorption device comprises an activated carbon adsorption tank, n adsorbers are connected in parallel in the activated carbon adsorption tank, wherein n-1 adsorbers are synchronously adsorbed, 1 adsorber is synchronously desorbed online, and the adsorption and desorption of the adsorbers are alternately operated.
4. The system as claimed in claim 1, wherein the alkali washing tower comprises a tower body, a liquid storage tank is communicated with the bottom of the tower body, an air inlet is arranged at one end of the tower body close to the liquid storage tank, an air distribution layer communicated with the air inlet is arranged in the tower body, an air outlet pipe is communicated with the upper end of the tower body, a demisting mechanism is arranged at one end of the tower body close to the air outlet pipe, a plurality of alkali washing mechanisms are arranged in the tower body between the air distribution layer and the demisting mechanism, the liquid storage tank, the air distribution layer, the plurality of alkali washing mechanisms and the demisting mechanism are sequentially communicated, a liquid outlet pipe is connected with the liquid storage tank, the liquid outlet pipe is communicated with the demisting mechanism, the demisting mechanism is communicated with the alkali washing mechanism, a delivery pump is arranged on the liquid outlet pipe, and a heat exchange mechanism is arranged on the liquid outlet pipe between the delivery pump and the liquid storage tank, the air outlet pipe is communicated with the heat exchange mechanism;
the heat exchange mechanism comprises a refrigerating bin and a heating bin, a semiconductor refrigerator is arranged between the refrigerating bin and the heating bin, the liquid outlet pipe is communicated with the refrigerating bin, one end of the heating bin is communicated with the gas outlet pipe, and the other end of the heating bin is communicated with the oil removal filtering device.
5. The system as claimed in claim 4, wherein said alkaline cleaning means comprises a support frame fixedly mounted in said tower body, said support frame having a packing layer thereon, said tower body above said packing layer having a plurality of uniformly distributed nozzles connected to said tubes, said tubes passing through said tower body and communicating with said demisting means.
6. The rubber high-concentration waste gas treatment system as claimed in claim 5, wherein the demisting mechanism comprises a plurality of heat exchange tube sets distributed at intervals, one ends of the heat exchange tube sets are communicated with the refrigerating bin, the other ends of the heat exchange tube sets are communicated with the guide tube, and the heat exchange tube sets are arranged on the inner wall of the tower body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023286338.8U CN214426017U (en) | 2020-12-30 | 2020-12-30 | Rubber high concentration waste gas treatment system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023286338.8U CN214426017U (en) | 2020-12-30 | 2020-12-30 | Rubber high concentration waste gas treatment system |
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| CN214426017U true CN214426017U (en) | 2021-10-19 |
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| CN202023286338.8U Active CN214426017U (en) | 2020-12-30 | 2020-12-30 | Rubber high concentration waste gas treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748999A (en) * | 2022-05-07 | 2022-07-15 | 富滇环保科技股份有限公司 | Device and method for treating malodorous gas produced by gel in natural rubber industry |
-
2020
- 2020-12-30 CN CN202023286338.8U patent/CN214426017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748999A (en) * | 2022-05-07 | 2022-07-15 | 富滇环保科技股份有限公司 | Device and method for treating malodorous gas produced by gel in natural rubber industry |
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