CN202725017U - Waste gas treatment system for rubber factor - Google Patents
Waste gas treatment system for rubber factor Download PDFInfo
- Publication number
- CN202725017U CN202725017U CN201220419783.3U CN201220419783U CN202725017U CN 202725017 U CN202725017 U CN 202725017U CN 201220419783 U CN201220419783 U CN 201220419783U CN 202725017 U CN202725017 U CN 202725017U
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- spray
- absorption tower
- oxidation
- oxidant
- exhaust treatment
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Abstract
The utility model provides a waste gas treatment system for a rubber factor. The waste gas treatment system comprises a gas collection device and a gas treatment device, wherein the gas treatment device comprises a spray oxidation-absorption tower, a water complement system and a chemical preparation system; the gas collection device is communicated with the spray oxidation-absorption tower; the water complement system is used for complementing water for the spray oxidation-absorption tower; the chemical preparation system is used for preparing the chemical used by the spray oxidation-absorption tower; the water complement system is connected with the spray oxidation-absorption tower; the chemical preparation system is connected with the spray oxidation-absorption tower; and an automatic control system is used for controlling the running of the whole waste gas treatment system. The waste gas treatment system provided by the utility model is low in cost, capable of achieving more than 85% of the efficiency of treatment for the malodorous gas generated by the rubber factory, low in system resistance, low in energy consumption and high in treatment efficiency, as well as achieves the economic effect of reducing both investment expense and running expense.
Description
Technical field
The utility model relates to a kind of exhaust treatment system, particularly relates to a kind of exhaust treatment system of the foul gas that produces for the treatment of rubber plant, and this system's treatment effeciency is high, and treatment effect is good.
Background technology
Refining glue and the vulcanization process of rubber plant are discharged a large amount of foul gas, environment around polluting, the more important thing is that the stench of discharging is to the very offending sensation of people, according to existing discharging standards and air quality standard, the Air Pollutant Emission limit value of the rubber plants such as tire enterprise: particle 12mg/m
3, ammonia 10mg/m
3, toluene and dimethylbenzene add up to 15mg/m
3, NMHC 10mg/m
3, therefore must process and to discharge the foul gas of rubber industry.Generally the processing method for the foul waste gas that produces in the rubber industry mainly contains: Adsorption Concentration Production by Catalytic Combustion Process, Biotrickling filter method and active carbon adsorption.
The advantage of firing method is that to remove efficient high, and the burning clearance is greater than 90%, and shortcoming is that plant investment is larger, and foul smell to decompose required catalytic combustion temperature higher, therefore strict to technical matters and matching requirements thereof, operating cost is very high.The removal efficient of bio-filter technology can reach more than 90%, because biological decomposition speed is slower, it is very little to require gas to advance the tower upflow velocity, in the larger situation of tolerance, the volume of biological tower is very large, and scale of investment and occupation of land are quite large, debugging is trouble very, and operating cost is lower.Active carbon adsorption operating cost is larger, and the active carbon later stage also needs to process again, and taste removal bothers when exhausted air quantity is very large.
Summary of the invention
Based on this, be necessary the problem for prior art, the exhaust treatment system that is used for rubber industry that a kind for the treatment of effeciency is high, energy consumption is low is provided.
The technical solution of the utility model is as follows:
A kind of exhaust treatment system for rubber plant, described exhaust treatment system comprises gas collector and gas treatment equipment, described gas collector is used for collecting the need gas to be processed that rubber industry production produces;
Described gas treatment equipment comprises spray oxidation absorption tower, water charging system, dispensing system, described gas collector is connected with described spray oxidation absorption tower, described water charging system is used for to described spray oxidation absorption tower moisturizing, described dispensing system is used for the employed medicament in configuration spray oxidation absorption tower, described water charging system is connected with described spray oxidation absorption tower, and described dispensing system is connected with described spray oxidation absorption tower;
Described automatic control system is used for controlling the operation of whole exhaust treatment system.
Therein among embodiment, described spray oxidation absorption tower comprises spray oxidation absorption tower tower body, air inlet pipe, drainpipe and gas outlet, described air inlet pipe is arranged on the bottom of described spray oxidation absorption tower body, described drainpipe is arranged on the bottom of spray oxidation absorption tower body, and described gas outlet is arranged on the top of described spray oxidation absorption tower body;
The inside of described spray oxidation absorption tower body is provided with from bottom to top successively:
The precipitation oxidation pond: described precipitation oxidation pond is arranged on the bottom of spray oxidation absorption tower body, in-built oxidant mixed liquor, and described air inlet pipe is connected with described precipitation oxidation pond, and described drainpipe is arranged on the bottom of described precipitation oxidation pond;
Absorber portion: described absorber portion is arranged on the middle part of described spray oxidation absorption tower body, and described absorber portion is provided with oxidant spray-absorption layer;
The demist section: described demist section is arranged on the top of described absorption tower body, and described demist section is provided with water smoke and removes plate.
Therein among embodiment, described dispensing system comprises the oxidant dispensing system, described oxidant dispensing system is connected with described precipitation oxidation pond by pipeline, described precipitation oxidation pond is connected with described oxidant spray-absorption layer by the Recycling of oxidize system, described Recycling of oxidize system comprises circulating pump and pipeline, and described pipeline is connected with oxidant spray-absorption layer with described precipitation oxidation pond respectively.
Therein among embodiment, be provided with bracing frame at the inwall of described spray oxidation absorption tower body, described oxidant spray-absorption layer is fixed on the spray oxidation absorption tower body by bracing frame, and described oxidant spray-absorption layer inside is provided with filler.
Therein among embodiment, also be provided with the screening agent absorber portion in described spray oxidation absorption tower body inside, be provided with the screening agent spraying system at described screening agent absorber portion, described screening agent absorber portion is arranged on the top of described demist section and the below of described gas outlet, described dispensing system also comprises the screening agent dispensing system, and described screening agent dispensing system is connected with described screening agent spraying system by pipeline.
Among embodiment, the quantity of described oxidant spray-absorption layer is one deck therein.
Among embodiment, the quantity of described oxidant spray-absorption layer is two layers therein.
Among embodiment, described gas collector passes into gas treatment equipment by air-introduced machine with the waste gas of collecting therein.
Among embodiment, described exhaust treatment system also comprises automatic control system therein, and described automatic control system is PLC, PSP or 51 single-chip microcomputers.
The beneficial effects of the utility model are:
The utility model is satisfying on the basis of national waste gas emission standard, and making and building investment is 10% of Adsorption Concentration Production by Catalytic Combustion Process 5%, bio-trickling bed process, and operating cost is 50% of Adsorption Concentration Production by Catalytic Combustion Process 20%, bio-trickling bed process.Exhaust treatment system cost of the present utility model is low, and the treatment effeciency of the foul gas that rubber plant is produced can reach more than 85%, and SR is little, energy consumption is low, and treatment effeciency is high, has reached the two economic effects that reduce of investment and operating cost.
Description of drawings
Below in conjunction with concrete drawings and the specific embodiments, the utility model is further elaborated.
Fig. 1 is the overall schematic of an embodiment of exhaust treatment system of the present utility model.
The specific embodiment
For the purpose, technical scheme and the advantage that make the exhaust treatment system for rubber plant of the present utility model is clearer, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
Referring to Fig. 1, as a kind of embodiment, a kind of exhaust treatment system for rubber plant, described exhaust treatment system comprises gas collector and gas treatment equipment;
Wherein said gas collector be used for to be collected the need gas to be processed that rubber industry production produces, and the blast pipe of the general workshop with rubber plant of gas collector is connected, with the gas sampling of generation in the production to gas treatment equipment;
Described gas treatment equipment comprises spray oxidation absorption tower 1, water charging system 2, dispensing system, described gas collector is connected with described spray oxidation absorption tower 1, described water charging system 2 is used for to described spray oxidation absorption tower moisturizing, described dispensing system is used for the employed medicament in configuration spray oxidation absorption tower, described water charging system is connected with described spray oxidation absorption tower, and described dispensing system is connected with described spray oxidation absorption tower; The important component part of exhaust treatment system during gas treatment equipment, the waste gas that factory produces enters gas treatment equipment after collecting through gas collector, through draining in the air after the gas treatment equipment processing, that is to say that the waste gas that factory produces should meet national discharge standard after gas treatment equipment is processed.The waste gas that rubber industry produces generally comprises sulfur organic, hydrocarbon, nitrogen-containing compound and dust etc., wherein sulfur organic is the main cause that produces stench, and the hydrocarbon that comprises in the waste gas and nitrogen-containing compound complicated component, concentration is very little, is difficult to process.Present embodiment has adopted spray oxidation absorption tower that waste gas is processed, the action principle on spray oxidation absorption tower is: comprise in the waste gas sulfur organic or nitrogen organic contact with water and oxidant, water carries out first the Physical Absorption process to the pollutant in the gas, then carry out chemical oxidation reaction in spray oxidation absorption tower, chemical equation is: C
XH
YOS+[O] → CO
2+ H
2O+SO
2, waste gas contacts with oxidant in spray oxidation absorption tower for a long time, and oxidant generates NO with S, N organic matter exhaustive oxidation
2, CO
2, SO
2Deng.Water charging system is set can carry out automatic water supplement to spray oxidation absorption tower, guarantees the operation of gas treatment equipment; Dispensing system disposes other medicaments such as satisfactory oxidant automatically as required, and replenishes medicament from trend spray oxidation absorption tower under the control of automatic control system.
Described automatic control system is used for controlling the operation of whole exhaust treatment system, and present embodiment adopts the operation of the whole exhaust treatment system of automatic controlling system, on the basis that guarantees removal effect, does not substantially need manually-operated.
The utility model is satisfying on the basis of national waste gas emission standard, makes investment be 10% of Adsorption Concentration Production by Catalytic Combustion Process 5%, bio-trickling bed process, and operating cost is 50% of Adsorption Concentration Production by Catalytic Combustion Process 20%, bio-trickling bed process.Exhaust treatment system cost of the present utility model is low, and the treatment effeciency of the foul gas that rubber plant is produced can reach more than 85%, and SR is little, energy consumption is low, and treatment effeciency is high, has reached the two economic effects that reduce of investment and operating cost.
Preferably, as a kind of embodiment, described spray oxidation absorption tower comprises spray oxidation absorption tower tower body 11, air inlet pipe 12, drainpipe 13 and gas outlet 14, described air inlet pipe 12 is arranged on the bottom of described spray oxidation absorption tower body 11, described drainpipe 13 is arranged on the bottom of spray oxidation absorption tower body 11, and described gas outlet 14 is arranged on the top of described spray oxidation absorption tower body 11;
The inside of described spray oxidation absorption tower body is provided with from bottom to top successively:
Precipitation oxidation pond 15: described precipitation oxidation pond 15 is arranged on the bottom of spray oxidation absorption tower body 11, in-built oxidant mixed liquor, and described air inlet pipe 12 is connected with described precipitation oxidation pond, and described drainpipe 13 is arranged on the bottom of described precipitation oxidation pond 15;
Absorber portion: described absorber portion is arranged on the middle part of described spray oxidation absorption tower body, and described absorber portion is provided with oxidant spray-absorption layer 16;
The demist section: described demist section is arranged on the top of described absorption tower body, and described demist section is provided with water smoke and removes plate 17.
Air inlet pipe in the present embodiment is connected with gas collector, the waste gas that gas collector is collected enters spray oxidation absorption tower by air inlet pipe, after waste gas enters spray oxidation absorption tower, be introduced into the precipitation oxidation pond, in the precipitation oxidation pond oxidant mixed liquor is housed, waste gas contacts with oxidant in the oxidant mixed liquor and reacts, in order to guarantee treatment effect, should make waste gas in the precipitation oxidation pond, stop time enough so that waste gas fully contacts the S in the waste gas with the oxidant mixed liquor, the organic matters such as N are with thoroughly oxidized after the oxidant mixed liquor fully contacts; Then the waste gas that does not absorb fully continues to rise and enters absorber portion, be provided with oxidant spray-absorption layer in the absorber portion, during waste gas process absorber portion, hydrocarbon and ammonia and oxidant spray-absorption layer generation chemical oxidation and the physisorptions such as the dust in the waste gas, hydrocarbon, the hydrocarbon such as the dust in the waste gas, hydrocarbon and ammonia are removed in a large number, simultaneously in absorber portion generation gas-liquid heat-transfer process; Arrive the demist section through the waste gas after the absorber portion processing, the absorption liquid droplet of carrying secretly in the waste gas becomes drop, is removed plate by the water smoke of demist section and removes; The waste gas of processing through the demist section enters atmosphere by exhaust outlet.
The structure of precipitation oxidation pond, absorber portion and the combination of demist section has been adopted on spray oxidation absorption tower in the present embodiment, so that the N in the waste gas, S etc. are by complete reaction and absorption, so that the waste gas after processing meets discharging standards.
Preferably, as a kind of embodiment, described dispensing system comprises oxidant dispensing system 3, described oxidant dispensing system 3 is connected with described precipitation oxidation pond 15 by pipeline, described precipitation oxidation pond 15 is connected with described oxidant spray-absorption layer 16 by the Recycling of oxidize system, described Recycling of oxidize system comprises circulating pump 41 and pipeline, and described pipeline is connected with oxidant spray-absorption layer with described precipitation oxidation pond 15 respectively and is connected.In the present embodiment, the oxidant mixed liquor in the precipitation oxidation pond constantly is consumed so needs and replenishes, and is provided with the oxidant dispensing system and comes constantly the precipitation oxidation pond to be replenished to guarantee the exhaust-gas treatment effect; The water that contains oxidant on the upper strata after the precipitation oxidation pond precipitation can be used for oxidant spray-absorption layer, the water that contains oxidant arrives oxidant spray-absorption layer by the Recycling of oxidize system, the water that contains oxidant in the oxidant spray-absorption layer falls after rise to precipitating oxidation pond, the water that contains oxidant in the precipitation oxidation pond can use by circulated sprinkling like this, save the consumption of water and oxidant medicament, saved operating cost.Present embodiment realizes containing the water circulation use of oxidant by circulating pump.
Preferably, as a kind of embodiment, inwall at described spray oxidation absorption tower body is provided with bracing frame, and described oxidant spray-absorption layer is deposited on the spray oxidation absorption tower body by bracing frame, and described oxidant spray-absorption layer inside is provided with filler.
Preferably, as a kind of embodiment, also be provided with the screening agent absorber portion in described spray oxidation absorption tower body inside, be provided with screening agent spraying system 18 at described screening agent absorber portion, described screening agent absorber portion is arranged on the top of described demist section and the below of described gas outlet 14, described dispensing system also comprises screening agent dispensing system 4, and described screening agent dispensing system 4 is connected with described screening agent spraying system 18 by pipeline.In order to make the waste gas after the processing can not produce bad impact to human perception, present embodiment is provided with the screening agent absorber portion, and the effect by screening agent and waste gas is not so that waste gas can produce foul odour.The screening agent that present embodiment adopts is plant extract deodorant.
Preferably, as a kind of embodiment, the quantity of described oxidant spray-absorption layer is one deck.Under the condition that the content of S, N etc. is lower in the lower or waste gas in treating capacity, can only design one deck oxidant spray-absorption layer.
Preferably, as a kind of embodiment, the quantity of described oxidant spray-absorption layer is two layers.In order to guarantee treatment effect, two-layer oxidant spray-absorption layer is set, guarantee that treatment effect surpasses 85%.
Preferably, as a kind of embodiment, described gas collector passes into gas treatment equipment by air-introduced machine with the waste gas of collecting.Gas collector generally is connected with the central fan system of factory, and for so that gas passes into gas treatment equipment, the operated by rotary motion air-introduced machine improves the pressure of gas.
Preferably, as a kind of embodiment, described exhaust treatment system also comprises automatic control system, and described automatic control system is PLC, PSP or 51 single-chip microcomputers.Be provided with liquid level control in the described precipitation oxidation pond, automatic control system is controlled the startup of dispensation apparatus according to liquid level and is stopped.
At last, need to prove, in this patent document, the relational terms such as first, second grade only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have any relation or sequentially between these entities or the operation.And, in this patent document, term " comprises ", " comprising " or its any other variant, it is intended to contain but not exclusive inclusion, thereby so that comprise process, method, article or the equipment of a series of key elements, not only comprise these key elements, but also comprise and clearly not listing and other key elements that those skilled in the art can know, perhaps also be included as the known requisite key element of these processes, method, article or equipment.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. exhaust treatment system that is used for rubber plant, described exhaust treatment system comprises gas collector and gas treatment equipment, it is characterized in that:
Described gas collector is used for collecting the need gas to be processed that rubber industry production produces;
Described gas treatment equipment comprises spray oxidation absorption tower, water charging system, dispensing system, described gas collector is connected with described spray oxidation absorption tower, described water charging system is used for to described spray oxidation absorption tower moisturizing, described dispensing system is used for the employed medicament in configuration spray oxidation absorption tower, described water charging system is connected with described spray oxidation absorption tower, and described dispensing system is connected with described spray oxidation absorption tower;
Described automatic control system is used for controlling the operation of whole exhaust treatment system.
2. exhaust treatment system according to claim 1 is characterized in that:
Described spray oxidation absorption tower comprises spray oxidation absorption tower tower body, air inlet pipe, drainpipe and gas outlet, described air inlet pipe is arranged on the bottom of described spray oxidation absorption tower body, described drainpipe is arranged on the bottom of spray oxidation absorption tower body, and described gas outlet is arranged on the top of described spray oxidation absorption tower body;
The inside of described spray oxidation absorption tower body is provided with from bottom to top successively:
The precipitation oxidation pond: described precipitation oxidation pond is arranged on the bottom of spray oxidation absorption tower body, in-built oxidant mixed liquor, and described air inlet pipe is connected with described precipitation oxidation pond, and described drainpipe is arranged on the bottom of described precipitation oxidation pond;
Absorber portion: described absorber portion is arranged on the middle part of described spray oxidation absorption tower body, and described absorber portion is provided with oxidant spray-absorption layer;
The demist section: described demist section is arranged on the top of described absorption tower body, and described demist section is provided with water smoke and removes plate.
3. exhaust treatment system according to claim 2 is characterized in that:
Described dispensing system comprises the oxidant dispensing system, described oxidant dispensing system is connected with described precipitation oxidation pond by pipeline, described precipitation oxidation pond is connected with described oxidant spray-absorption layer by the Recycling of oxidize system, described Recycling of oxidize system comprises circulating pump and pipeline, and described pipeline is connected with oxidant spray-absorption layer with described precipitation oxidation pond respectively.
4. exhaust treatment system according to claim 3 is characterized in that:
Inwall at described spray oxidation absorption tower body is provided with bracing frame, and described oxidant spray-absorption layer is deposited on the spray oxidation absorption tower body by bracing frame, and described oxidant spray-absorption layer inside is provided with filler.
5. exhaust treatment system according to claim 4 is characterized in that:
Also be provided with the screening agent absorber portion in described spray oxidation absorption tower body inside, be provided with the screening agent spraying system at described screening agent absorber portion, described screening agent absorber portion is arranged on the top of described demist section and the below of described gas outlet, described dispensing system also comprises the screening agent dispensing system, and described screening agent dispensing system is connected with described screening agent spraying system by pipeline.
6. exhaust treatment system according to claim 5 is characterized in that:
The quantity of described oxidant spray-absorption layer is one deck.
7. exhaust treatment system according to claim 6 is characterized in that:
The quantity of described oxidant spray-absorption layer is two layers.
8. exhaust treatment system according to claim 1 is characterized in that:
Described gas collector passes into gas treatment equipment by air-introduced machine with the waste gas of collecting.
9. exhaust treatment system according to claim 1 is characterized in that:
Described exhaust treatment system also comprises automatic control system, and described automatic control system is PLC, PSP or 51 single-chip microcomputers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419783.3U CN202725017U (en) | 2012-08-22 | 2012-08-22 | Waste gas treatment system for rubber factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220419783.3U CN202725017U (en) | 2012-08-22 | 2012-08-22 | Waste gas treatment system for rubber factor |
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| Publication Number | Publication Date |
|---|---|
| CN202725017U true CN202725017U (en) | 2013-02-13 |
Family
ID=47650770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220419783.3U Expired - Lifetime CN202725017U (en) | 2012-08-22 | 2012-08-22 | Waste gas treatment system for rubber factor |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103638783A (en) * | 2013-12-23 | 2014-03-19 | 西双版纳曼列橡胶有限公司 | Odor treatment device for rubber processing |
| CN103949124A (en) * | 2014-04-28 | 2014-07-30 | 北京中能环科技术发展有限公司 | Method and device for removing high-viscosity rubber powder in waste gas of rubber plant |
| CN104383802A (en) * | 2014-11-06 | 2015-03-04 | 青岛华武橡塑有限公司 | Boiler waste gas purifying method |
| CN106492594A (en) * | 2017-01-05 | 2017-03-15 | 中山市恒雅环保工程有限公司 | A kind of VOCs exhaust treatment systems and its processing method |
| CN106552467A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of processing method and processing device of butadiene-styrene rubber drying baker waste gas |
| CN107174930A (en) * | 2017-06-30 | 2017-09-19 | 合肥万力轮胎有限公司 | Rubber smell governing system |
| CN107433122A (en) * | 2017-09-19 | 2017-12-05 | 重庆净空居环保科技有限公司 | A kind of exhaust treatment system and method |
| CN108211580A (en) * | 2016-12-12 | 2018-06-29 | 江苏帕斯玛环境科技有限公司 | Novel controllable water scrubber |
| CN108211581A (en) * | 2016-12-12 | 2018-06-29 | 江苏帕斯玛环境科技有限公司 | Novel adjustable water scrubber |
| CN108211579A (en) * | 2016-12-12 | 2018-06-29 | 江苏帕斯玛环境科技有限公司 | Novel moveable water scrubber |
| CN108611126A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel more space water scrubbers |
| CN108611127A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel filtration water scrubber |
| CN108611125A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel water washing tower |
-
2012
- 2012-08-22 CN CN201220419783.3U patent/CN202725017U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103638783A (en) * | 2013-12-23 | 2014-03-19 | 西双版纳曼列橡胶有限公司 | Odor treatment device for rubber processing |
| CN103949124A (en) * | 2014-04-28 | 2014-07-30 | 北京中能环科技术发展有限公司 | Method and device for removing high-viscosity rubber powder in waste gas of rubber plant |
| CN103949124B (en) * | 2014-04-28 | 2016-03-02 | 北京中能环科技术发展有限公司 | A kind of method removing rubber plant's waste gas medium-high viscosity buffings |
| CN104383802A (en) * | 2014-11-06 | 2015-03-04 | 青岛华武橡塑有限公司 | Boiler waste gas purifying method |
| CN106552467B (en) * | 2015-09-30 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of processing method and processing device of butadiene-styrene rubber drying box exhaust gas |
| CN106552467A (en) * | 2015-09-30 | 2017-04-05 | 中国石油化工股份有限公司 | A kind of processing method and processing device of butadiene-styrene rubber drying baker waste gas |
| CN108211581A (en) * | 2016-12-12 | 2018-06-29 | 江苏帕斯玛环境科技有限公司 | Novel adjustable water scrubber |
| CN108211580A (en) * | 2016-12-12 | 2018-06-29 | 江苏帕斯玛环境科技有限公司 | Novel controllable water scrubber |
| CN108211579A (en) * | 2016-12-12 | 2018-06-29 | 江苏帕斯玛环境科技有限公司 | Novel moveable water scrubber |
| CN108611126A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel more space water scrubbers |
| CN108611127A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel filtration water scrubber |
| CN108611125A (en) * | 2016-12-12 | 2018-10-02 | 江苏帕斯玛环境科技有限公司 | Novel water washing tower |
| CN106492594A (en) * | 2017-01-05 | 2017-03-15 | 中山市恒雅环保工程有限公司 | A kind of VOCs exhaust treatment systems and its processing method |
| CN107174930A (en) * | 2017-06-30 | 2017-09-19 | 合肥万力轮胎有限公司 | Rubber smell governing system |
| CN107433122A (en) * | 2017-09-19 | 2017-12-05 | 重庆净空居环保科技有限公司 | A kind of exhaust treatment system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 101318 No. 5 Anxiang Road, Area B, Tianzhu Airport Industrial Zone, Shunyi District, Beijing, 1 Building, 4 Floors Patentee after: Bluestar Engineering Co.,Ltd. Address before: 100143 No. 19 Fushi Road, Haidian District, Beijing Patentee before: CHINA HAOHUA ENGINEERING CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |