CN2768883Y - Purifying device for regenerated rubber desulfurization industry waste gas by biological method - Google Patents
Purifying device for regenerated rubber desulfurization industry waste gas by biological method Download PDFInfo
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- CN2768883Y CN2768883Y CNU200420104582XU CN200420104582U CN2768883Y CN 2768883 Y CN2768883 Y CN 2768883Y CN U200420104582X U CNU200420104582X U CN U200420104582XU CN 200420104582 U CN200420104582 U CN 200420104582U CN 2768883 Y CN2768883 Y CN 2768883Y
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Abstract
The utility model relates to a purifying device for regenerated rubber desulfurization industry waste gas by a biological method, which belongs to the technical field of waste gas purifying by the biological method. The utility model is composed of a gas bag gas reservoir, a draught fan, a settling chamber, a cooler, a biological film packing tower, a circulating liquid storing tank, a pump, a water cooler and a water tank, wherein the draught fan is connected among the gas bag gas reservoir, the settling chamber and the cooler, and an outlet of the cooler is connected with an air inlet of the lower part of the biological film packing tower. The water cooler, the water tank, a steel bottom seat of the lower part of the gas bag gas reservoir and the cooler are connected, and the circulating liquid storing tank and the pump are respectively connected with a circulating liquid outlet of the lower part of the biological film packing tower and a spray header of an upper part. The device adopts the biological purifying technique of industrial waste gas to purify regenerated rubber industrial waste gas, and the waste gas pollution problem caused by producing regenerated rubber currently is solved. The utility model has the advantages of simple running technology, low cost, high purifying efficiency, etc.
Description
Technical field: the utility model relates to a kind of biological method purification device of reclaimed rubber desulfurizing industrial waste gas, belongs to the biological waste gas purification technical field.
Technical background: reclaimed rubber desulfurize regeneration is a gap production process of carrying out in digester, its low-concentration organic exhaust gas (sulfur-bearing) with unpleasant peculiar smell after finishing desulfurization operations during the pressure release plastic emitting exhaust produce, contain a large amount of steam, rubber powder grain and sulfur-bearing light concentration organic pollutant in the exhaust.Temperature during the digester exhaust is 220～230 ℃, and pressure is 17～18MPa.Its exhaust characteristics are: being explosion type pressure release exhaust during beginning in 2-3 minute, is slow exhaust after 3-5 minute, opens a jar plastic emitting after reducing to normal pressure in 20-30 minute.After measured, the main pollutant component of reclaimed rubber desulfurize technology waste gas is benzene,toluene,xylene, low amounts of organic sulfur thing and simple alkane, and the concentration of wherein representative pollutant toluene is about 300-1400mg/m
3
China is one of big producing country of reclaimed rubber in the world.Present national rubber regeneration industry has nearly thousand tame large, medium and small enterprises approximately in operation, the desulfurization processing procedure of rubber regeneration wherein, the atmosphere polluting problem that has low-concentration organic exhaust gas (sulfur-bearing) in various degree mostly, and still do not have effectively and economic purified treatment way for this low-concentration organic exhaust gas, cause enterprise's peripheral region environmental pollution and because of unpleasant gas with foreign flavor disturbs residents, some enterprises that are located in the sensitive area often face the threat of suspending operations for consolidation because of its exhaust emission problem.
The biological waste gas purification technology is at low concentration (pollutant levels＜5g/m
3) purified treatment of industrial organic exhaust gas researchs and develops, and belongs at present the forward position hot spot technology in industrial waste gas purifying field in the world.Result of study shows, for the low-concentration industrial volatile organic waste gas of many industrial process dischargings such as organic chemical industry, petrochemical industry, Coal Chemical Industry, synthesis pharmaceutical, synthetic building materials, paint production and engineering goods spraying, publication and printing and the purified treatment of foul gas, the biological waste gas purification method is both economy and otherwise effective technique, but at present also not to the biological waste gas purification technology of the waste gas of reclaimed rubber desulfurize regenerative process.
Summary of the invention: the purpose of this utility model is to solve the deficiency of prior art, and a kind of biological method purification device of reclaimed rubber desulfurizing industrial waste gas is provided, and utilizes the biological waste gas purification technology effectively to solve exhaust emission in the rubber regeneration desulfurization processing procedure.
The technical solution of the utility model is: the biological method purification method treating apparatus of this reclaimed rubber desulfurizing industrial waste gas is by airbag gas container (1), air-introduced machine (2), expansion chamber (3), cooler (4), biomembrane filled tower (5), circulation fluid storage tank and pump (6), water cooler and tank (7) are formed, air-introduced machine (2) is connected in airbag gas container (1) and expansion chamber (3), (extract airbag gas container gas out pipe between the cooler (4), expansion chamber gas advances, outlet, the cooler gas import is communicated with), the outlet of cooler (4) links to each other with the air inlet of biomembrane filled tower (5) bottom, water cooler and tank (7) link to each other with the steel base of airbag gas container (1) bottom and the coolant outlet of cooler (4), and circulation fluid storage tank and pump (6) link to each other with the bottom circulation fluid outlet and the top spray head of biomembrane filled tower (5) respectively.The quantity of airbag gas container, biomembrane filled tower, circulation fluid storage tank and pump can be determined according to actual treatment exhausted air quantity size, if it is big to handle exhausted air quantity, then can increase their quantity.
Airbag gas container (1) is used to store the desulfurize discharge gas that digester is discharged, and have concurrently the desulfurize discharge gas decrease temperature and pressure and remove the function of wherein carrying rubber powder granule secretly, can adopt the ZL01247332.4 Patent equipment, form by bottom steel base and top software airbag, air inlet is arranged on the steel base, water inlet, sewage draining exit, gas is extracted pipe out, the software airbag is made by the special dipping canvas, be generally cylindrical, and support with steel pipe support, steel base generally also is cylindrical, inner dress water is used for cooling and removes rubber powder (when the water amount in the base increased because of the cooling exchange, the water of redundance flowed into the water cooler tank voluntarily from overfall).Air-introduced machine (2) can be a centrifugal type draught fan commonly used on the general industry, and its major function is to extract and send into waste gas out follow-up treatment system from gas-storing bag.Expansion chamber (3) is used for further removing the rubber powder granule of damp and hot waste gas, is composed in series by iris type expansion chamber commonly used on 3 general industries, and its underpart correspondence is established 3 ash buckets (can make of steel plate); For ease of the operation of deashing dolly, useable holder supports expansion chamber makes the ash bucket ash discharging hole reserve certain altitude apart between the ground, and ash discharging hole adds bolt seal with blind plate.Cooler (4) can adopt indirect water-cooling formula serpentine (trombone) cooler, coiled pipe is partially immersed in the bosh and (water in the bosh is squeezed into the shower of its one by pump, the circulated sprinkling cooling, damp and hot waste gas enters the biomembrane purification tower after walking to be cooled to 20～30 ℃ in the pipe).Biomembrane filled tower (5) can be selected the ZL97211331.2 Patent equipment for use, fill and surface attachment is made up of biomembranous solid packing by the circulation fluid spray equipment of a plurality of gas redistributors in tower body, the tower body, top of tower and tower body interior laminate layer, also be provided with gas vent, gas access, sewage draining exit, circulation fluid on the tower body and export and peep hole; Contain organic matter VOC, sulfide purification bacterium in the biomembrane that adheres on the filler in the biomembrane filled tower, be used for purifying the various gaseous contaminants of removing waste gas, make the waste gas after treatment can qualified discharge, when waste gas when the tower body, pollutant wherein (as toluene) promptly contacts with the wetting biomembrane absorption of filling surface and by the microorganism purification of catching, degrade.Circulation fluid storage tank and pump (6) are for having the water storage tank structure (cylindricality or square) and the water circulating pump of upper cover plate, and aqua storage tank is provided with sewage draining exit, running water inlet, circulation fluid import and outlet; The circulated sprinkling liquid in biomembrane filled tower by circulation fluid storage tank and pump provides necessary nutriment with wetting biomembrane and to microorganism.Water cooler and tank (7) are used for cooling off the hot water of airbag gas container base and the heat exchange water of gas cooler, and water at low temperature is stored for future use, and can use the industrial subsidiary aqua storage tank commonly used and the air-cooled water cooler of conveying water pump.
The operating procedure process of the biological method purification device of this reclaimed rubber desulfurizing industrial waste gas is:
The first step, when reclaimed rubber desulfurize jar plastic emitting pressure release exhaust, the waste gas that the explosion type pressure release is discharged enters the airbag gas container from the bottom earlier, make its water-cooled cooling decompression and sedimentation in gas container base tank remove a part of rubber powder grain (220～230 ℃ of pressure 17～18MPa of the temperature that the explosion type pressure release enters and be entrained with the waste gas of a large amount of steam, rubber powder grain and low concentration sulfur-bearing organic pollution), be stored in then in the dipped canvas gas-storing bag on gas container top.After finishing exhaust and gas storage operation at every turn, start the mode of water cooler system by direct hot and cold water exchange, water temperature in the gas container base is controlled in 40～70 ℃ the scope, prevent from exhaust and gas storage process to occur damp and hot waste gas with the top gas-storing bag run-down gas that rises, or water temperature is too high in the gas container base tank, does not reach the purpose that desulfurize discharge gas is cooled.
Second step, after to be desulfurization jar of plastic emitting pressure release bleeding finished, with air-introduced machine the waste gas in the gas-storing bag of airbag gas container top is pumped in the follow-up expansion chamber and cooler, further remove rubber powder (clearance is 98～100%) and be cooled to normal temperature (20～30 ℃).Expansion chamber can be the dividing plate settler that adopts in the industrial waste gas purifying engineering, it mainly acts on is to remove the rubber powder granule of carrying secretly in the waste gas by stopping with the sedimentation principle, cooler can be industrial gas serpentine (trombone) cooler commonly used, hot waste gas is walked in the pipe during operation, recirculated cooling water is at pipe outer circulation spray, with the gas in the indirect type of cooling cooling tube.
The 3rd step, reclaimed rubber waste gas after removing rubber powder and cooling processing enters biomembrane filled tower (5), adopting the gas-liquid counter current mode of operation that waste gas is carried out biological method purification handles, allow waste gas at the bottom of tower, enter, in uphill process, contact and by waste gas purification microbial bacteria (benzene,toluene,xylene in the biomembrane, the sulfide microbial cleaning bacterium etc.) purification of catching, degrade with wetting biomembrane absorption attached to the solid packing surface, discharge from cat head through purified gas, promptly, reclaimed rubber waste gas is carried out purified treatment by the industrial waste gas biological purification method.This biomembrane filled tower can be the ZL97211331.2 Patent equipment, from storage tank circulation fluid is got to the biofilm packing cat head by water circulating pump and spray on the biofilm packing (wetting biomembrane and to microorganism necessary nutriment is provided) downwards, and go out to enter the circulation fluid storage tank from tower bottom flow and recycle.Because moisture content has evaporation loss in the circulated sprinkling process, therefore to regularly in the circulation fluid storage tank, add supplementing water; Biomembranous maintenance in the tower, repairing and the operation of adding nitrogen, phosphorus nutrition composition also all realize by fluid circulation system.
The utility model adopts the industrial waste gas biological purification techniques that reclaimed rubber desulfurizing industrial waste gas is carried out purified treatment, has solved its desulfurize discharge gas pollution problem of current reclaimed rubber enterprise, and has that technology is simple, operating cost is low, the purification efficiency advantages of higher.
Description of drawings:
Fig. 1 is the utility model reclaimed rubber desulfurizing industrial waste gas purifier schematic diagram, and among the figure: 1 is the airbag gas container, and 2 is air-introduced machine, and 3 is expansion chamber, and 4 is cooler, and 5 is biomembrane filled tower, and 6 is circulation fluid storage tank and pump, and 7 is water cooler and tank;
Fig. 2 is the utility model airbag gas container structural representation, and among the figure: 8 is that steel base, 9 is that gas-storing bag support, 10 is that canvas gas-storing bag, 11 is the canvas cingulum;
Fig. 3 is the utility model airbag gas container steel base structural representation, and among the figure: 12 are. it is that air inlet, 16 is for be fluid connection pipe (standby) gas-liquid communicating pipe (standby), 17 that sewage draining exit, 13 is extracted pipe, 15 for water inlet, 14 out for gas
Fig. 3-1 is the utility model airbag gas container steel base shown in Figure 3 and gas-storing bag structure vertical view.
Fig. 4 is the utility model expansion chamber structural representation, and among the figure: 18 is that support, 19 is that ash bucket, 20 is that gas access, 21 is that upper cover plate, 22 is that casing, 23 is gas vent;
Fig. 4-1 is the utility model expansion chamber structure vertical view shown in Figure 4.
The cooler construction schematic diagram that Fig. 5 adopts for the utility model, among the figure: 24 is that gas feed, 25 is a coolant outlet;
The cooler A-A cross-sectional schematic that Fig. 6 adopts for the utility model, among the figure: 26 is that visor interface, 27 is that casing, 28 is that coiled pipe, 29 is that gas vent, 30 is the coiled pipe support;
The cooler B-B cross-sectional schematic that Fig. 7 adopts for the utility model, among the figure: 31 is that sewage draining exit, 32 is the cooling water inlet;
Fig. 8 is the utility model biomembrane filled tower structural representation, among the figure: 33 for circulation fluid outlet, 34 be peep hole, 35 for tower body, 36 for the gas redistributor, 37 for the circulation fluid spray equipment, 38 for gas vent, 39 for gas access, 40 be sewage draining exit;
Fig. 9 is the utility model circulation fluid reservoir structure schematic diagram, and among the figure: 41 is that sewage draining exit, 42 is that running water inlet, 43 is that upper cover plate, 44 is that circulation fluid import, 45 is that storage tank cylindrical shell, 46 is the circulation fluid outlet;
Fig. 9-1 is the utility model circulation fluid reservoir structure vertical view shown in Figure 9.
Figure 10 is the utility model embodiment 1 operational effect figure;
Figure 11 is the utility model embodiment 2 operational effect figure.
The specific embodiment: the utility model is described in further detail below in conjunction with drawings and Examples.
Example 1: shown in Fig. 1～9, the biological method purification method treating apparatus of this reclaimed rubber desulfurizing industrial waste gas is by airbag gas container (1), air-introduced machine (2), expansion chamber (3), cooler (4), biomembrane filled tower (5), circulation fluid storage tank and pump (6), water cooler and tank (7) are formed, air-introduced machine (2) is connected in airbag gas container (1) and expansion chamber (3), (extract airbag gas container gas out pipe between the cooler (4), expansion chamber gas advances, outlet, the cooler gas import is communicated with), the outlet of cooler (4) links to each other with the air inlet of biomembrane filled tower (5) bottom, water cooler and tank (7) link to each other with the steel base of airbag gas container (1) bottom and the coolant outlet of cooler (4), and circulation fluid storage tank and pump (6) link to each other with the bottom circulation fluid outlet and the top spray head of biomembrane filled tower (5) respectively.
Airbag gas container (1) adopts the ZL01247332.4 Patent equipment, form by bottom steel base and top software airbag, there are air inlet, water inlet, sewage draining exit, gas to extract pipe out on the steel base, the software airbag is cylindrical (being made by dipped canvas), and support, buckle with cingulum with steel pipe support, steel base also is cylindrical, and water is equipped with in inside.Air-introduced machine (2) is a centrifugal type draught fan commonly used on the general industry; Expansion chamber (3) is composed in series (making the ash bucket ash discharging hole reserve certain altitude apart between the ground by the stent support expansion chamber) by iris type expansion chamber commonly used on 3 general industries, and its underpart correspondence is established 3 steel plate ash buckets, and ash discharging hole adds bolt seal with blind plate.Cooler (4) is common indirect water-cooling formula serpentine (trombone) cooler, and coiled pipe is partially immersed in the bosh.Biomembrane filled tower (5) adopts the ZL97211331.2 Patent equipment, fill and surface attachment is made up of biomembranous solid packing by the circulation fluid spray equipment of 5 gas redistributors in tower body, the tower body, top of tower and tower body interior laminate layer, be attached with the purification bacterium that contains organic matter VOC (toluene, benzene, dimethylbenzene, formaldehyde, styrene) and sulfide etc. in the biomembrane in the biomembrane filled tower on the filler, also be provided with gas vent, gas access, sewage draining exit, circulation fluid outlet and peep hole on the tower body.Circulation fluid storage tank and pump (6) are for having the water storage tank structure (cylindricality) and the water circulating pump of upper cover plate, and aqua storage tank is provided with sewage draining exit, running water inlet, circulation fluid import and outlet.Water cooler and tank (7) are the industrial subsidiary aqua storage tank commonly used and the air-cooled water cooler of conveying water pump.
This device is used for the reclaimed rubber desulfurizing industrial waste gas biological method purification of certain 5000 tons of/year reclaimed rubber enterprise.This reclaimed rubber enterprise has a 4.0m
3With a 7.5m
3Two reclaimed rubber rotation digesters.Two rotation digesters are produced simultaneously, alternately exhaust plastic emitting, and every digester exhaust every day 4-5 time, its purification run technical process is:
The first step, during reclaimed rubber desulfurize jar plastic emitting pressure release exhaust, waste gas at first enters airbag gas container (1) from the bottom, the temperature that the explosion type pressure release enters is 220～230 ℃, pressure 17～18Mpa, and be entrained with the waste gas of a large amount of steam, rubber powder grain and low concentration sulfur-bearing organic pollution, waste gas water-cooled cooling in gas container base tank reduces pressure and a part of rubber powder grain is removed in sedimentation, is stored in afterwards in the dipped canvas gas-storing bag on gas container top.
In exhaust and gas storage process, if when the water temperature in the gas container base tank is too high, then do not reach the purpose that desulfurize discharge gas is cooled, as cooling as early as possible, damp and hot waste gas also can appear sometimes with the rise situation of run-down gas of top gas-storing bag.Therefore, after finishing exhaust and gas storage operation, all start (the subsidiary 80m of water cooler (7) system at every turn
3Aqua storage tank) by the mode of direct hot and cold water exchange, the water temperature in the gas container base is controlled at 40 ℃.
Second step, after to be desulfurization jar of plastic emitting pressure release bleeding finished, with air-introduced machine (2) waste gas in the gas-storing bag of airbag gas container top is pumped in follow-up the dividing plate settler (3) and gas serpentine (trombone) cooler (4), further remove rubber powder (clearance 98%) and be cooled to normal temperature (20 ℃), then waste gas enters biomembrane filled tower.When waste gas entered cooler, hot waste gas was walked in the pipe, and recirculated cooling water is at pipe outer circulation spray, with the gas in the indirect type of cooling cooling tube.
In the 3rd step, the reclaimed rubber waste gas after removing rubber powder and cooling processing (contains toluene concentration 300～1400mg/m
3) enter biomembrane filled tower (5) and carry out biological method purification and handle.Biomembrane filled tower purified treatment reclaimed rubber waste gas adopts the gas-liquid counter current mode of operation, and waste gas enters at the bottom of tower, adsorbs with wetting biomembrane attached to the solid packing surface to contact and by the microorganism purification of catching, degrade in uphill process.Purified gas (contains toluene concentration 10～30mg/m
3) discharge from cat head, realized qualified discharge (discharge standard 60mg/m
3).Circulation fluid is got to cat head from storage tank by water circulating pump (6) and is sprayed on the biofilm packing downwards, and goes out to enter the circulation fluid storage tank from tower bottom flow and recycle.For preventing moisture content evaporation loss in the circulated sprinkling process, regularly in the circulation fluid storage tank, add 0.1m per 3 days 1 time
3Supplementing water.Biomembranous maintenance in the tower, repairing and the operation of adding nitrogen, phosphorus nutrition composition also all realize by fluid circulation system.
Cause line clogging in order to prevent that rubber powder from depositing in system and device, once regularly the rubber powder that deposits in gas container base (1) and the expansion chamber (3) was gone out clearly in these per 3 months.These wet rubber powders that go out clearly (600～800kg/ month) belong to the intermediate products after the desulfurization, all inner the recycling.The effect of this purifying regeneration rubber desulfurizing such as Figure 10.
Example 2: shown in Fig. 1～9, the biological method purification method treating apparatus of this reclaimed rubber desulfurizing industrial waste gas is by 2 airbag gas containers (1), air-introduced machine (2), expansion chamber (3), cooler (4), 2 biomembrane filled towers (5), 2 cover circulation fluid storage tank and pumps (6), water cooler and tank (7) are formed, air-introduced machine (2) is connected in airbag gas container (1) and expansion chamber (3), (extract airbag gas container gas out pipe between the cooler (4), expansion chamber gas advances, outlet, the cooler gas import is communicated with), the outlet of cooler (4) links to each other with the air inlet of biomembrane filled tower (5) bottom, water cooler and tank (7) link to each other with the steel base of airbag gas container (1) bottom and the coolant outlet of cooler (4), and circulation fluid storage tank and pump (6) link to each other with the bottom circulation fluid outlet and the top spray head of biomembrane filled tower (5) respectively.
Airbag gas container (1) adopts the ZL01247332.4 Patent equipment, form by bottom steel base and top software airbag, there are air inlet, water inlet, sewage draining exit, gas to extract pipe out on the steel base, the software airbag is cylindrical (being made by dipped canvas), and support, buckle with cingulum with steel pipe support, steel base also is cylindrical, and water is equipped with in inside.Air-introduced machine (2) is a centrifugal type draught fan commonly used on the general industry; Expansion chamber (3) is composed in series (making the ash bucket ash discharging hole reserve certain altitude apart between the ground by the stent support expansion chamber) by iris type expansion chamber commonly used on 3 general industries, and its underpart correspondence is established 3 steel plate ash buckets, and ash discharging hole adds bolt seal with blind plate.Cooler (4) is common indirect water-cooling formula serpentine (trombone) cooler, and coiled pipe is partially immersed in the bosh.Biomembrane filled tower (5) adopts the ZL97211331.2 Patent equipment, fill and surface attachment is made up of biomembranous solid packing by the circulation fluid spray equipment of 24 gas redistributors in tower body, the tower body, top of tower and tower body interior laminate layer, be attached with the purification bacterium that contains organic matter VOC (toluene, benzene, dimethylbenzene, formaldehyde, styrene) and sulfide etc. in the biomembrane in the biomembrane filled tower on the filler, also be provided with gas vent, gas access, sewage draining exit, circulation fluid outlet and peep hole on the tower body.Circulation fluid storage tank and pump (6) are for having the water storage tank structure (box-shaped) and the water circulating pump of upper cover plate, and aqua storage tank is provided with sewage draining exit, running water inlet, circulation fluid import and outlet.Water cooler and tank (7) are the industrial subsidiary aqua storage tank commonly used and the air-cooled water cooler of conveying water pump
This device is used for the reclaimed rubber desulfurizing industrial waste gas biological method purification of certain 20,000 tons of/year reclaimed rubber enterprise.These 20,000 tons of/year reclaimed rubber enterprises have 8 6.0m
3Reclaimed rubber rotation digester, 8 rotation digesters are produced simultaneously, alternately exhaust plastic emitting, every digester exhaust every day 6-8 time.Because need therefore be provided with the airbag gas container of 2 parallel connections and the biofilm packing Tower System of 2 series connection to the situation of 2 jars of exhausts simultaneously should be arranged, its purification run technical process is:
The first step, during reclaimed rubber desulfurize jar plastic emitting pressure release exhaust (1 jar of independent exhaust or 2 jars of exhausts simultaneously), waste gas at first enters 2 airbag gas containers (1) in parallel from the bottom, 220～230 ℃ of pressure 17～18MPa of the temperature that the explosion type pressure release enters and be entrained with the waste gas of a large amount of steam, rubber powder grain and low concentration sulfur-bearing organic pollution, a part of rubber powder grain is removed in water-cooled cooling decompression and sedimentation in the gas container base tank of parallel connection, is stored in afterwards in the dipped canvas gas-storing bag on gas container top in parallel.2 airbag gas containers are interconnected by bottom liquid and upper gas pipeline, when 1 jar of independent exhaust or 2 jars of exhausts simultaneously, damp and hot waste gas evenly are stored in 2 gas-storing bags.
This project all starts (the subsidiary 200m of water cooler (7) system at every turn after finishing exhaust and gas storage operation
3Aqua storage tank) by the mode of direct hot and cold water exchange, the water temperature in the gas container base of 2 parallel connections is controlled at 70 ℃.
Second step, after to be desulfurization jar of plastic emitting pressure release bleeding finished, with air-introduced machine (2) waste gas in the gas-storing bag of airbag gas container top is pumped in follow-up the dividing plate settler (3) and gas serpentine (trombone) cooler (4), further remove rubber powder (clearance 100%) and be cooled to normal temperature (30 ℃), then waste gas enters biomembrane filled tower.When waste gas entered cooler, hot waste gas was walked in the pipe, and recirculated cooling water is at pipe outer circulation spray, with the gas in the indirect type of cooling cooling tube.
In the 3rd step, the reclaimed rubber waste gas after removing rubber powder and cooling processing (contains toluene concentration 400～1200mg/m
3) biomembrane filled tower (5) that advances/go into 2 series connection carries out biological method purification and handle.Biomembrane filled tower purified treatment reclaimed rubber waste gas adopts the gas-liquid counter current mode of operation.Waste gas at first enters at the bottom of the tower of 1# biomembrane filled tower, in uphill process, contact and by the microorganism purification of catching, degrade with wetting biomembrane absorption attached to the solid packing surface, then at the bottom of the tower of 2# biomembrane filled tower, enter wherein again, continuation is by biological cleaning, and purified gas (contains toluene concentration 20～40mg/m
3) discharge from the cat head of 2# biomembrane filled tower, realized qualified discharge (discharge standard 60mg/m
3).2 biomembrane filled towers are furnished with circulation fluid storage tank and circulating pump separately.Circulation fluid sprays on the biofilm packing downwards from the cat head that storage tank is got to biomembrane filled tower by water circulating pump (6) respectively, and the circulation fluid storage tank that goes out to enter separately from tower bottom flow recycles.For preventing that moisture content from having evaporation loss in the circulated sprinkling process, regularly in each circulation fluid storage tank, add 0.1m per 3 days 1 time
3Supplementing water.Biomembranous maintenance in the tower, repairing and the operation of adding nitrogen, phosphorus nutrition composition also all realize by fluid circulation system.
Cause line clogging in order to prevent that rubber powder from depositing in system and device, once regularly the rubber powder that deposits in 2 gas container bases (1) and the expansion chamber (3) was gone out clearly in per 3 months.These wet rubber powders that go out clearly (6000～8000kg/ month) belong to the intermediate products after the desulfurization, all inner the recycling.The effect of this purifying regeneration rubber desulfurizing such as Figure 11.
Claims (8)
1, a kind of biological method purification device of reclaimed rubber desulfurizing industrial waste gas, it is characterized in that this device is by airbag gas container (1), air-introduced machine (2), expansion chamber (3), cooler (4), biomembrane filled tower (5), circulation fluid storage tank and pump (6), water cooler and tank (7) are formed, air-introduced machine (2) is connected in airbag gas container (1) and expansion chamber (3), between the cooler (4), the outlet of cooler (4) links to each other with the air inlet of biomembrane filled tower (5) bottom, water cooler and tank (7) link to each other with cooler (4) with the steel base of airbag gas container (1) bottom, and circulation fluid storage tank and pump (6) link to each other with the bottom circulation fluid outlet and the top spray head of biomembrane filled tower (5) respectively.
2, the biological method purification device of reclaimed rubber desulfurizing industrial waste gas according to claim 1, it is characterized in that airbag gas container (1) can be the structure of being made up of bottom steel base and top software airbag, be supported with support and cingulum in the airbag, have air inlet, water inlet, sewage draining exit, gas to extract pipe out on the steel base.
3, the biological method purification device of reclaimed rubber desulfurizing industrial waste gas according to claim 1 is characterized in that expansion chamber (3) is composed in series by 3 iris type expansion chambers, and its underpart correspondence is established 3 ash buckets.
4, the biological method purification device of reclaimed rubber desulfurizing industrial waste gas according to claim 3 is characterized in that expansion chamber can be by stent support apart from the ground certain altitude, and the expansion chamber ash discharging hole can add bolt seal with blind plate.
5, the biological method purification device of reclaimed rubber desulfurizing industrial waste gas according to claim 1 is characterized in that cooler (4) can adopt indirect water-cooling formula serpentine (trombone) cooler, and coiled pipe is partially immersed in the bosh (7).
6, the biological method purification device of reclaimed rubber desulfurizing industrial waste gas according to claim 1, it is characterized in that biomembrane filled tower (5) can also be provided with gas vent, gas access, sewage draining exit, circulation fluid outlet and peep hole for by the circulation fluid spray equipment of a plurality of gas redistributors in tower body, the tower body, top of tower and the structure that the tower body interior laminate layer is filled and surface attachment is made up of biomembranous solid packing on the tower body.
7, the biological method purification device of reclaimed rubber desulfurizing industrial waste gas according to claim 6 is characterized in that being attached with on the filler in the biomembrane filled tower and contains organic matter VOC, sulfide in the biomembrane and purify bacterium.
8, the biological method purification device of reclaimed rubber desulfurizing industrial waste gas according to claim 1, it is characterized in that circulation fluid storage tank and pump (6) for the water storage tank structure and the water circulating pump of upper cover plate are arranged, aqua storage tank is provided with sewage draining exit, running water inlet, circulation fluid import and outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200420104582XU CN2768883Y (en) | 2004-11-19 | 2004-11-19 | Purifying device for regenerated rubber desulfurization industry waste gas by biological method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU200420104582XU CN2768883Y (en) | 2004-11-19 | 2004-11-19 | Purifying device for regenerated rubber desulfurization industry waste gas by biological method |
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| CN2768883Y true CN2768883Y (en) | 2006-04-05 |
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|---|---|---|---|
| CNU200420104582XU Expired - Fee Related CN2768883Y (en) | 2004-11-19 | 2004-11-19 | Purifying device for regenerated rubber desulfurization industry waste gas by biological method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2768883Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637697B (en) * | 2009-08-03 | 2012-01-11 | 庞金钊 | Biological desulfurization method of smoke |
| CN103933793A (en) * | 2014-05-12 | 2014-07-23 | 浙江菲尼克斯环境技术有限公司 | Tail gas micro-discharge circulation system and tail gas purification treatment method of waste plastic oilation device |
-
2004
- 2004-11-19 CN CNU200420104582XU patent/CN2768883Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637697B (en) * | 2009-08-03 | 2012-01-11 | 庞金钊 | Biological desulfurization method of smoke |
| CN103933793A (en) * | 2014-05-12 | 2014-07-23 | 浙江菲尼克斯环境技术有限公司 | Tail gas micro-discharge circulation system and tail gas purification treatment method of waste plastic oilation device |
| CN103933793B (en) * | 2014-05-12 | 2015-07-08 | 浙江菲尼克斯环境技术有限公司 | Tail gas micro-discharge circulation system and tail gas purification treatment method of waste plastic oilation device |
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