CN107261747A - A kind of volatile organic waste gas high efficiency purifying processing device - Google Patents

A kind of volatile organic waste gas high efficiency purifying processing device Download PDF

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Publication number
CN107261747A
CN107261747A CN201710672079.6A CN201710672079A CN107261747A CN 107261747 A CN107261747 A CN 107261747A CN 201710672079 A CN201710672079 A CN 201710672079A CN 107261747 A CN107261747 A CN 107261747A
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CN
China
Prior art keywords
pipeline
heat exchanger
adsorption tanks
desorption
waste gas
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710672079.6A
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Chinese (zh)
Inventor
刘敬印
杨少康
吴斌
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Guangzhou Yun Hui Energy Environmental Protection Technology Co Ltd
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Guangzhou Yun Hui Energy Environmental Protection Technology Co Ltd
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Application filed by Guangzhou Yun Hui Energy Environmental Protection Technology Co Ltd filed Critical Guangzhou Yun Hui Energy Environmental Protection Technology Co Ltd
Priority to CN201710672079.6A priority Critical patent/CN107261747A/en
Publication of CN107261747A publication Critical patent/CN107261747A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3416Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/345Regenerating or reactivating using a particular desorbing compound or mixture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3483Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0258Other waste gases from painting equipments or paint drying installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a kind of volatile organic waste gas high efficiency purifying processing device, including adsorption tanks, main air blower, it is desorbed blower fan, air preheat heat exchanger and heating by the exhaust gases heat exchanger, main air blower one end is exhaust gas inlet, the other end passes through the first pipeline communication adsorption tanks, adsorption tanks connect chimney by second pipe, adsorption tanks pass through the pipeline of the 3rd pipeline communication the 5th, adsorption tanks are respectively communicated with the 5th pipeline and the 7th pipeline by the 4th pipeline, 5th pipeline communication heating by the exhaust gases heat exchanger, 7th pipeline is respectively communicated with air preheat heat exchanger and desorption blower fan, structural principle of the present invention is simple, automaticity is high, completely exhaust-gas treatment can be made to accomplish qualified discharge, reduce pollution of the waste gas to environment;Activated carbon can be reused, no longer there is the problem of processing of activated carbon dangerous waste and secondary pollution;It is furthermore possible to mitigate to a certain extent the financial burden of client's processing dangerous waste processing;Desorption catalyzing oxidation processes are periodically carried out, environmentally friendly mechanism of government is easy to supervision.

Description

A kind of volatile organic waste gas high efficiency purifying processing device
Technical field
The present invention relates to waste gas purification processing technology field, specially a kind of volatile organic waste gas high efficiency purified treatment Device.
Background technology
Investigated according to existing domestic market, the exhaust-gas treatment feelings produced currently for the metal plate painting workshop of automobile trading firm Condition, existing technology substantially handles discharge, or directly discharge without processing using charcoal absorption.
The method such as handled using activated carbon, on the one hand, need to regularly replace activity.The activated carbon changed needs to carry out Dangerous waste processing.This brings certain economic pressures to enterprise to a certain extent.On the other hand, Some Enterprises are for economic ladder The consideration in face, in conjunction with the actual regulatory status of governmental environmental department, substantially will not regularly replace activated carbon.In this feelings Under condition, it is difficult to ensure that waste gas qualified discharge.
The sale of automobile service shop overwhelming majority is located at relatively bustlinier urban district, without sufficient space and place installation and operation Waste gas treatment equipment is a universal phenomenon.This also just has very high requirement to waste gas treatment equipment installing space.
The content of the invention
It is an object of the invention to provide a kind of volatile organic waste gas high efficiency purifying processing device, to solve the above-mentioned back of the body The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical scheme:At a kind of volatile organic waste gas high efficiency purification Manage device, including adsorption tanks, main air blower, desorption blower fan, air preheat heat exchanger and heating by the exhaust gases heat exchanger, the main air blower One end is exhaust gas inlet, and the other end connects chimney, institute by the first pipeline communication adsorption tanks, the adsorption tanks by second pipe Adsorption tanks are stated by the pipeline of the 3rd pipeline communication the 5th, the adsorption tanks are respectively communicated with the 5th pipeline and the 7th by the 4th pipeline Pipeline, the 5th pipeline communication heating by the exhaust gases heat exchanger, the 7th pipeline is respectively communicated with air preheat heat exchanger and desorption Blower fan;The air preheat heat exchanger also passes through the pipeline of the 6th pipeline communication the 7th;The desorption blower fan is provided with fresh air Entrance;
The heating by the exhaust gases heat exchanger is connected by the 8th pipeline is provided with catalysis instead in catalytic bed, the catalytic bed Answer and electric heater is installed on temperature sensor, the 8th pipeline;The heating by the exhaust gases heat exchanger is also connected with air preheat and changed Hot device;
Adsorption layer temperature sensor is installed in the adsorption tanks.
It is preferred that, exhaust gas inlet valve is installed on first pipeline;Absorption outlet is installed on the second pipe Valve;Desorption wind outlet valve is installed on the 3rd pipeline;Be provided with 4th pipeline desorption wind inlet valve and It is desorbed air temperature sensor;Desorption preheating by-passing valve is installed on the 5th pipeline;Preheating is installed on 6th pipeline Air adjustment valve;Fresh air bypath valve is installed on 7th pipeline.
It is preferred that, active carbon bed is provided with the adsorption tanks.
It is preferred that, the air preheat heat exchanger is provided with Waste gas outlet.
Compared with prior art, the beneficial effects of the invention are as follows:Structural principle of the present invention is simple, and automaticity is high, can To make exhaust-gas treatment accomplish qualified discharge completely, pollution of the waste gas to environment is reduced;Activated carbon can be reused, is no longer existed The problem of processing of activated carbon dangerous waste and secondary pollution;It is furthermore possible to mitigate to a certain extent the economy of client's processing dangerous waste processing Burden;Desorption catalyzing oxidation processes are periodically carried out, environmentally friendly mechanism of government is easy to supervision.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme:A kind of volatile organic waste gas high efficiency purified treatment dress Put, including adsorption tanks 4, main air blower 2, desorption blower fan 9, air preheat heat exchanger 10 and heating by the exhaust gases heat exchanger 17, the main wind The one end of machine 2 is exhaust gas inlet 1, and the other end connects adsorption tanks 4 by the first pipeline 24, and the adsorption tanks 4 pass through second pipe 25 Chimney 7 is connected, the adsorption tanks 4 connect the 5th pipeline 27 by the 3rd pipeline 26, and the adsorption tanks 4 pass through 30 points of the 4th pipeline Lian Tong not the 5th pipeline 27 and the 7th pipeline 28, the 5th pipeline 27 connection heating by the exhaust gases heat exchanger 17, the 7th pipeline 28 are respectively communicated with air preheat heat exchanger 10 and desorption blower fan 9;The air preheat heat exchanger 10 is also connected by the 6th pipeline 31 Logical 7th pipeline 28;Air preheat heat exchanger 10 is provided with Waste gas outlet 21;The desorption blower fan 9 enters provided with fresh air Mouth 8;
The heating by the exhaust gases heat exchanger 17 is connected by the 8th pipeline 29 and set in catalytic bed 19, the catalytic bed 19 There is the noble metal catalyst that metallic carrier is filled in catalytic reaction temperature sensor 20, catalytic bed, noble metal uses Pt, Pd etc.;The mesh number of catalyst carrier is the mesh of 200 mesh -300.
Electric heater 18 is installed on 8th pipeline 29;The heating by the exhaust gases heat exchanger 17 is also connected with air preheat and changed Hot device 10;
Adsorption layer temperature sensor 5 is installed in the adsorption tanks 4;Active carbon bed 22 is provided with adsorption tanks 4.
In the present invention, exhaust gas inlet valve 3 is installed on the first pipeline 24;It is provided with and absorbs on the second pipe 25 Mouth valve 6;Desorption wind outlet valve 15 is installed on the 3rd pipeline 26;Desorption wind is installed on the 4th pipeline 30 to enter Mouth valve 14 and desorption air temperature sensor 13;Desorption preheating by-passing valve 16 is installed on the 5th pipeline 27;Described 6th Preheated air control valve 11 is installed on pipeline 31;Fresh air bypath valve 12 is installed on 7th pipeline 28.
Operation principle:The present invention mainly has two operational processes:Waste gas adsorption process and waste gas desorption, catalysis oxidation stream Journey.In waste gas adsorption process, the waste gas containing volatile organic matter enters system from exhaust gas inlet, after main air blower increase, By exhaust gas inlet valve, it is sent in adsorption tanks.After active carbon bed, the volatile organic matter in waste gas is by activated carbon Layer adsorption treatment is clean.Active carbon bed uses particle charcoal, or honeycomb briquet;Clean gas after processing, is exported by absorption Valved discharge is to chimney, or is directly discharged in environment.Accomplish safety, qualified discharge;In the adsorption process, main air blower fortune OK, exhaust gas inlet valve is in open mode with absorption outlet valve.Other valves are in part and closed or non-operating state.
In waste gas desorption, catalysis oxidation flow, main air blower is in run-stopping status, and exhaust gas inlet valve is with absorbing Mouth valve is closed.Air, by being desorbed after blower fan supercharging, passes through air preheat heat exchanger liter through fresh air inlet Temperature, temperature rises to 110 °C.Air after heating passes through preheated air control valve;After the valve, a temperature is provided with Spend sensor-desorption air temperature sensor.This sensor is used for the temperature for monitoring and feeding back the air after the preheating of the point.As taken off Attached air temperature sensor detects temperature more than 110 °C, then the temperature feedback is passed through into control system to control system 23 23PID adjusts preheated air control valve and fresh air bypath valve, and is gradually reduced the aperture of preheated air control valve, Fresh air bypath valve is opened simultaneously, and gradually opens big, until the temperature that desorption air temperature sensor is detected progressively declines To 110 °C of set point, hereafter, the aperture of preheated air control valve and fresh air bypath valve is kept;Such as in the process of holding In, desorption air temperature sensor detects temperature less than 110 °C, to preheated air control valve and fresh air bypath valve Opposite operation is performed, the temperature that desorption air temperature sensor is detected is reached 110 °C of setting value;Hereafter, keep pre- once again Hot air control valve door and the aperture of fresh air bypath valve, reach that 110 after setting value °C of air enters by being desorbed wind Mouth valve, into adsorption tanks, and in active carbon bed, elevated temperature desorption processing, activity is carried out to adsorbing the organic matter in layer of charcoal In charcoal bed, one temperature sensor-adsorption layer temperature sensor is set, adsorption layer temperature sensor is used to monitor active carbon bed Temperature, such as in desorption process whenever, adsorption layer temperature sensor monitors to temperature be higher than a certain setting value when.Control Desorption wind inlet valve is closed in the control of system 23 processed, opens system desorption preheating by-passing valve 16.Stop desorption, until adsorption layer temperature The temperature that degree Sensor monitoring is arrived is less than after secure setting, then opens desorption wind inlet valve, and it is other to close system desorption preheating Port valve, restarts desorption, and the gas after desorption, by being desorbed wind outlet valve into heating by the exhaust gases heat exchanger, is carried out Heat, after preheating, then a certain setting value is continuously heating to by electric heater, the temperature is by catalytic reaction temperature sensor Monitoring.And the monitoring result is fed back into control system 23 in real time, control system 23 is anti-according to catalytic reaction temperature sensor Result is presented, in real time the operation power of adjustment electric heater, it is ensured that waste gas is after electric heater, and temperature reaches setting value;Waste gas After electrical heating, into catalytic bed, catalytic decomposition handles the organic matter in waste gas to waste gas completely in catalytic bed Composition, the waste gas after catalytic treatment becomes clean high-temperature flue gas.High-temperature flue gas first it is laggard cross heating by the exhaust gases heat exchanger and After air preheat heat exchanger, progress heat recovery and the processing that cools, by Waste gas outlet, safety dumping up to standard to environment In air.
Structural principle of the present invention is simple, and automaticity is high, and exhaust-gas treatment can be made to accomplish qualified discharge completely, reduces useless Pollution of the gas to environment;Activated carbon can be reused, no longer there is the problem of processing of activated carbon dangerous waste and secondary pollution;In addition The financial burden of client's processing dangerous waste processing can be mitigated to a certain extent;Desorption catalyzing oxidation processes are periodically carried out, make political affairs Mansion environmental protection mechanism is easy to supervision.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (4)

1. a kind of volatile organic waste gas high efficiency purifying processing device, including adsorption tanks(4), main air blower(2), desorption blower fan (9), air preheat heat exchanger(10)With heating by the exhaust gases heat exchanger(17), it is characterised in that:The main air blower(2)One end is waste gas Import(1), the other end passes through the first pipeline(24)Connect adsorption tanks(4), the adsorption tanks(4)Pass through second pipe(25)Connection Chimney(7), the adsorption tanks(4)Pass through the 3rd pipeline(26)Connect the 5th pipeline(27), the adsorption tanks(4)Pass through the 4th pipe Road(30)It is respectively communicated with the 5th pipeline(27)With the 7th pipeline(28), the 5th pipeline(27)Connect heating by the exhaust gases heat exchanger (17), the 7th pipeline(28)It is respectively communicated with air preheat heat exchanger(10)With desorption blower fan(9);The air preheat heat exchange Device(10)Also pass through the 6th pipeline(31)Connect the 7th pipeline(28);The desorption blower fan(9)It is provided with fresh air inlet (8);
The heating by the exhaust gases heat exchanger(17)Pass through the 8th pipeline(29)Connect catalytic bed(19), the catalytic bed (19)On be provided with catalytic reaction temperature sensor(20), the 8th pipeline(29)On electric heater is installed(18);It is described Heating by the exhaust gases heat exchanger(17)It is also connected with air preheat heat exchanger(10);
The adsorption tanks(4)Adsorption layer temperature sensor is inside installed(5).
2. a kind of volatile organic waste gas high efficiency purifying processing device according to claim 1, it is characterised in that:It is described First pipeline(24)On exhaust gas inlet valve is installed(3);The second pipe(25)On absorption outlet valve is installed(6); 3rd pipeline(26)On be provided with desorption wind outlet valve(15);4th pipeline(30)On desorption wind inlet is installed Valve(14)With desorption air temperature sensor(13);5th pipeline(27)On be provided with desorption preheating by-passing valve(16);Institute State the 6th pipeline(31)On preheated air control valve is installed(11);7th pipeline(28)On be provided with by fresh air Port valve door(12).
3. a kind of volatile organic waste gas high efficiency purifying processing device according to claim 1, it is characterised in that:It is described Adsorption tanks(4)It is interior to be provided with active carbon bed(22).
4. a kind of volatile organic waste gas high efficiency purifying processing device according to claim 1, it is characterised in that:It is described Air preheat heat exchanger(10)It is provided with Waste gas outlet(21).
CN201710672079.6A 2017-08-08 2017-08-08 A kind of volatile organic waste gas high efficiency purifying processing device Pending CN107261747A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108043126A (en) * 2018-01-23 2018-05-18 上海云汇环保科技有限公司 A kind of integrating device for VOCS exhaust-gas treatments
CN108392944A (en) * 2018-04-09 2018-08-14 上海市环境科学研究院 VOCs adsorption desorptions-the purifying integration device and method of the resistance to wide load impact of compact
CN108636389A (en) * 2018-06-20 2018-10-12 大庆北油工程技术服务有限公司 Activated carbon adsorption exhaust gas desorption cracking harmless treatment device and method
CN110586055A (en) * 2019-08-12 2019-12-20 厦门市蓝天碧海环保科技有限公司 Activated carbon desorption regeneration device and method

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JP2007245039A (en) * 2006-03-17 2007-09-27 Matsushita Electric Ind Co Ltd Voc removing device, metal filter for removing voc, and its manufacturing method
JP2012040517A (en) * 2010-08-20 2012-03-01 Kobex Kk Fixed bed type voc adsorption/desorption method
CN103331086A (en) * 2013-07-15 2013-10-02 青岛华世洁环保科技有限公司 Movable integrated device for treating organic waste gas
CN105233622A (en) * 2015-11-03 2016-01-13 济南圣泉集团股份有限公司 VOC (volatile organic compound) waste gas treatment device and method for pharmaceutical and chemical industry
CN105605593A (en) * 2015-12-05 2016-05-25 重庆科蓝环保实业有限公司 Adsorption concentration-preheating type catalytic combustion system for purifying automobiles and coating exhaust gas in related fields and purifying method thereof
CN205627555U (en) * 2016-04-21 2016-10-12 合肥市科柏盛环保科技有限公司 High -concentration organic waste gas treatment facility
CN207056253U (en) * 2017-08-08 2018-03-02 广州云汇能源环保科技有限公司 A kind of volatile organic waste gas high efficiency purifying processing device

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JP2007245039A (en) * 2006-03-17 2007-09-27 Matsushita Electric Ind Co Ltd Voc removing device, metal filter for removing voc, and its manufacturing method
JP2012040517A (en) * 2010-08-20 2012-03-01 Kobex Kk Fixed bed type voc adsorption/desorption method
CN103331086A (en) * 2013-07-15 2013-10-02 青岛华世洁环保科技有限公司 Movable integrated device for treating organic waste gas
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CN105605593A (en) * 2015-12-05 2016-05-25 重庆科蓝环保实业有限公司 Adsorption concentration-preheating type catalytic combustion system for purifying automobiles and coating exhaust gas in related fields and purifying method thereof
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CN207056253U (en) * 2017-08-08 2018-03-02 广州云汇能源环保科技有限公司 A kind of volatile organic waste gas high efficiency purifying processing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108043126A (en) * 2018-01-23 2018-05-18 上海云汇环保科技有限公司 A kind of integrating device for VOCS exhaust-gas treatments
CN108392944A (en) * 2018-04-09 2018-08-14 上海市环境科学研究院 VOCs adsorption desorptions-the purifying integration device and method of the resistance to wide load impact of compact
CN108636389A (en) * 2018-06-20 2018-10-12 大庆北油工程技术服务有限公司 Activated carbon adsorption exhaust gas desorption cracking harmless treatment device and method
CN110586055A (en) * 2019-08-12 2019-12-20 厦门市蓝天碧海环保科技有限公司 Activated carbon desorption regeneration device and method

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Application publication date: 20171020