CN205424950U - Purify volatile organic exhaust gas's preheating -type catalytic combustion system - Google Patents

Purify volatile organic exhaust gas's preheating -type catalytic combustion system Download PDF

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CN205424950U
CN205424950U CN201520911683.6U CN201520911683U CN205424950U CN 205424950 U CN205424950 U CN 205424950U CN 201520911683 U CN201520911683 U CN 201520911683U CN 205424950 U CN205424950 U CN 205424950U
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pipeline
heat exchanger
catalytic combustion
absorbent charcoal
volatile organic
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陈波
王培�
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Chongqing Kelan Environmental Protection Industrial Co ltd
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Chongqing Kelan Environmental Protection Industrial Co ltd
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Abstract

The utility model relates to a purify volatile organic exhaust gas's preheating -type catalytic combustion system has included waste gas air intake, dry filter, active carbon adsorption device, heat exchanger, catalytic combustion unit, air inlet, air supplementing opening, thief hatch, temperature detect ware, fan and aiutage, volatile organic exhaust gas is collected to the gas collection mouth, gets into the active carbon adsorption device after the dry filter filters, and the waste gas that adsorbs after purifying utilizes aiutage high altitude discharge to reach standard through the exhaust fan, catalytic combustion system is after preheating, and active carbon adsorption's volatile organic compounds carries after by the hot -air heating desorption catalytic combustion room to carry out low temperature catalytic oxidation to decompose, and the organic matter is decomposed into the laggard line heights of material sky emissions such as innoxious CO2 and H2O after abundant burning. The advantage of this system does: can guarantee volatile organic exhaust gas's abundant burning, the emission that exceeds standard of the concentration of having avoided starting the initial stage, steerable entering catalytic combustion unit's organic waste gas's concentration, can prevent the potential safety hazard that the active carbon adsorption device probably leads to because of the high temperature.

Description

A kind of pre-heated catalytic combustion system of purifying volatile organic exhaust gas
Technical field
The application relates to a kind of pre-heated catalytic combustion system (or device) for purifying volatile organic exhaust gas and method, belongs to Organic Waste Gas Pollution control field.
Background technology
Volatile organic matter (Volatileorganiccompounds, VOCs) typically refer to when 25 DEG C, the saturated vapor pressure organic compound more than 133Pa, it is mainly composed of hydro carbons, halogenated hydrocarbon, oxygen hydro carbons, sulfur hydro carbons, nitrogen hydro carbons, aromatic hydrocarbon and polycyclic aromatic hydrocarbon.VOCs is class common agents in the production processes such as petroleum chemical industry, spraying paint industry, paint production and processing industry, rubber production processing industry, printing dyeing, consequent VOCs waste gas is generally of complicated component, concentration of emission changes greatly, is not readily dissolved in water, is difficult to process containing acid or the feature of alkali.
Conventional treatment method currently for VOCs has: condensation method, is mainly used in reclaiming high concentration, high boiling point, the single-component gas of little tolerance, low to the waste gas recovery rate of complex component;Absorption process, mainly for atm number, high concentration, deliquescent waste gas, but low to the exhaust treatment efficiency of dissolubility difference;Active carbon adsorption, it is adaptable to low concentration, the VOCs waste gas of atm number, activated carbon is easily absorbing saturated, change the somewhat expensive of adsorbent and adsorb saturated after activated carbon need to process as a kind of hazardous waste;Combustion method, mainly for high concentration, the organic exhaust gas of complex component, the method technique is simple, removal efficiency is high.
Be desorbed, the conventional apparatus of combustion method combination process VOCs waste gas has two kinds of methods of operation: (1) straight-line, directly the organic exhaust gas after desorption is transported to heat exchanger and catalytic combustor carries out combustion degradation, the deficiency of the method is that the system start-up initial stage is relatively low due to the temperature of catalytic combustor, part organic exhaust gas generates harmful intermediate product owing to can not fully burn, or is directly discharged without burning;(2) internal-circulation type, organic exhaust gas burning Posterior circle after desorption enters into absorbent charcoal adsorber and is desorbed as desorption gas, the method is disadvantageous in that recyclegas is likely to result in the internal organic exhaust gas excessive concentration of absorbent charcoal adsorber, causes the potential safety hazards such as blast.
Summary of the invention
Based on the problems referred to above, the application aims to provide a kind of cleaning system for volatile organic waste gas (or device) and method, this cleaning system (or device) and method can increase substantially the purifying rate of volatile organic waste gas, the potential safety hazard simultaneously making system is preferably minimized, energy-conserving and environment-protective.
For reaching object above, the application is realized in.
The pre-heated catalytic combustion system of a kind of purifying volatile organic exhaust gas, described system specifically includes that dry filter 2, absorbent charcoal adsorber 3, heat exchanger I7 and heat exchanger II11, catalytic combustion system 12, auxiliary electric heater unit 14;
Wherein, waste gas air inlet 1 is arranged on dry filter 2;Dry filter 2 is connected with absorbent charcoal adsorber 3 through pipeline D1;Absorbent charcoal adsorber 3 is connected with heat exchanger II11 through pipeline D3, tee T E2, pipeline D4;Heat exchanger II11 is connected with heat exchanger I7 through pipeline D5;Heat exchanger I7 is connected with absorbent charcoal adsorber 3 through pipeline D7, tee T E1, pipeline D9;Heat exchanger I7 is connected with heat exchanger II11 through pipeline D7, tee T E1, pipeline D8, tee T E2, pipeline D4;On heat exchanger II11 and catalytic combustion system 12 associated catalytic burner 12, auxiliary electric heater unit 14 is set;Desorption gas air inlet 8, discharge tube D6 it is provided with on heat exchanger I7;Discharge tube D2 it is provided with on absorbent charcoal adsorber 3;Tee T E1 connects pipeline D7, D8, D9;Tee T E2 connects pipeline D3, D8, D4.
Preferably, described system also includes Electric air valve F1-F3;Wherein, pipeline 3 is provided with Electric air valve F3;Electric air valve F2 it is provided with on pipeline 8;Electric air valve F1 it is provided with on pipeline 9.
Preferably, described system also includes temperature probe T 1-T4;Wherein, temperature probe T 1 is arranged on absorbent charcoal adsorber 3;Temperature probe T 2 is arranged on pipeline D7;Temperature probe T 3 is arranged on pipeline D4;Temperature probe T 4 is arranged on catalytic combustion system 12.
Preferably, described system also includes blower fan 4 and frequency conversion fan 9;Blower fan 4 is connected with absorbent charcoal adsorber 3 through pipeline D2;Frequency conversion fan 9 is connected with heat exchanger I7 through pipeline D6.
Preferably, described system also includes mending cold wind mouth 6, venting 13, thief hatch 15;Wherein, mend cold wind mouth 6 to be arranged on absorbent charcoal adsorber 3;Venting 13 is arranged on catalytic combustion system 12;Thief hatch 15 is arranged on pipeline D4.
Preferably, described system also includes aiutage I5 and aiutage II10;Wherein, aiutage I5 is connected with blower fan 4;Aiutage II10 is connected with frequency conversion fan 9.
Preferably, described heat exchanger is contact heat exchanger;Described absorbent charcoal adsorber can be arranged in parallel two or more.
Volatile organic waste gas in described system, enters absorbent charcoal adsorber after dry filter filters, and the gas after adsorption cleaning discharges through exhaust blower and aiutage;First use little air quantity warm-up cycle in catalytic combustion system initial start stage, make the catalytic combustor in catalytic combustion system reach the temperature (350~400 DEG C) required for volatile organic matter burning;The volatile organic matter of activated carbon adsorption is transported to catalytic combustor and carries out combustion degradation after being desorbed by hot air, Organic substance is decomposed into innoxious CO through low-temperature catalytic oxidation2And H2High altitude discharge is carried out after the materials such as O.The heat energy that catalytic combustor burning volatile organic matter produces, through the effect of two heat exchangers, heats desorption gas and the volatile organic matter of follow-up entrance catalytic combustor of follow-up entrance.
Principle of catalyst combustion is the character utilizing the volatile organic matter institute combustible component such as carbon containing, hydrogen, the activation energy needed for burning by catalyst degradation, makes volatile organic matter that flameless combustion to occur under the conditions of relatively low initiation temperature, and oxidation Decomposition is CO2And H2The innocuous substances such as O, release a large amount of heat energy simultaneously;These heat energy first pass through heat exchanger pass to enter catalytic combustor volatile organic matter be allowed to preheat, the air that desorption gas air inlet introduces is passed to then through another heat exchanger, utilize the volatile organic matter that in hot air Detachment Activity charcoal adsorbent equipment, activated carbon is adsorbed, make regenerating active carbon.
Due to traditional catalytic combustion device through preheating, do not reach the temperature required for volatile organic matter burning in catalytic combustion system initial start stage, thus cause the problem that waste gas concentration of emission exceeds standard.And the principle of pre-heated catalysis burning is in catalytic combustion system initial start stage, to use air circulating-heating/heat exchange to make catalytic combustion device reach its required ignition temperature (e.g., 350~400 DEG C) before volatile organic matter enters.Pre-heated catalysis combustion system can make volatile organic matter fully burn, and improves purification efficiency, it is to avoid the problem that concentration of emission exceeds standard.
It is provided with venting on described catalytic combustion system main body case, the safety of catalytic combustion system can be ensured;It is additionally provided with auxiliary electric heater unit inside device, uses when being desorbed temperature less than desorption temperature required (e.g., 60~90 DEG C) this electric heater unit to carry out auxiliary heating.
Described system is additionally provided with hygrosensor, lays respectively at absorbent charcoal adsorber, desorption air line, desorption exhaust piping and catalytic combustion system, is used for monitoring system temperature;It is additionally provided with wind-supplying mouth on described absorbent charcoal adsorber, cold N can be supplemented when adsorbent equipment internal temperature is too high2Ensure the safety of device;It is additionally provided with thief hatch on desorption exhaust piping, desorption exhaust gas concentration can be detected.
The blower fan that described system uses is frequency conversion fan, use the circulation of little air quantity air to make catalytic combustor be preheating to the temperature (350~400 DEG C) required for volatile organic matter burning at the system start-up initial stage, be adjusted to as required set air quantity after the volatile organic matter that starts to burn.
Described heat exchanger is contact heat exchange, compares traditional mixed flow case heat exchange mode, and the gas temperature after its heat exchange evenly, more can be accurately controlled gas temperature;It is attached by high-accuracy Electric air valve between described heat exchanger and absorbent charcoal adsorber, in order to the control of gas flow, the organic exhaust gas concentration of catalytic combustion system can be entered by controlling air-valve regulation.
A kind of method of purifying volatile organic compounds, it is characterised in that the method comprises the steps:
A1) adsorption cleaning: entering absorbent charcoal adsorber after volatile organic waste gas being carried out centralized collection by waste gas inlet, through activated carbon adsorption, purified gas directly discharges;
In this step, absorbent charcoal adsorber can arrange two or more recycling.
A2) preheating: in this step, the initial stage that catalytic combustion system runs, closing the valve on desorption pipeline, use air to be circulated heating and heat exchange, preheating catalytic combustion system makes burning indoor temperature reach the temperature (350~400 DEG C) required for volatile organic matter burning;
A3) catalysis burning: the volatile organic matter of activated carbon adsorption is transported to catalytic combustion system after being desorbed by hot air, is nontoxic CO through catalysis oxidation Decomposition2And H2High altitude discharge is carried out after the materials such as O.
Air is carried out heating by the heat energy produced after being catalyzed burning by heat exchanger and obtains by the desorption gas that desorption is used, and when being desorbed temperature (60~90 DEG C) that gas is less than needed for desorption, should open the auxiliary electric heater unit in catalytic combustion device.
In the application, the VOCs that desorption concentrates is after pipeline D3, tee T E2, pipeline D4 enter heat exchanger II11, being heated (heat comes from the gas after combustor 12 burning), carry out burning subsequently into combustor 12 and purify, waste gas burning is complete to be discharged after heat transmission utilization;A portion heat is through heat exchanger II11 for preheating the concentration VOCs of follow-up entrance heat exchanger II11, and another part heat enters the air of heat exchanger I7 through heat exchanger I7 for heating through desorption gas air inlet 8.
Entering after the air of heat exchanger I7 is heated and reaches to be desorbed the temperature (60-90 DEG C) needed for Organic substance through desorption gas air inlet 8, part enters absorption casing through pipeline D7, E1, D9 and is desorbed.
Wherein, the heat of gas after heat exchanger I7, the heat of 11 all derive from burning.The Main Function of heat exchanger I7 is that heating cold air is for being desorbed;The Main Function of heat exchanger II11 is that preheating concentrates VOCs, in order to reduces the extra heat energy that burning needs, reaches energy-conservation purpose;Catalytic combustor 12 is final purifier, by burning, the VOCs of concentration is decomposed into innocuous substance.
The application has the beneficial effect that:
(1) the purification all types of industries volatile organic waste gas of energy efficient stable;
(2) pre-heated Starting mode can ensure the abundant burning of volatile organic waste gas, it is to avoid harmful intermediate product that the system start-up initial stage produces because burning is insufficient, and concentration over-standard emission problem;
(3) by the regulation of high-precision electric air-valve, can control to enter the desorption gas amount of absorbent charcoal adsorber, and enter the concentration of the organic exhaust gas of catalytic combustion device;
(4) compare mixed flow case, use the heat exchange mode energy more precise control gas temperature of heat exchanger, and the gas temperature after heat exchange is evenly, it is to avoid the uneven desorption gas overtemperature being likely to occur of mixed flow heat exchange and then the potential safety hazard caused;
(5) benefit of absorbent charcoal adsorber cold nitrogen device, can prevent the too high potential safety hazard that may cause of temperature;
(6) system uses frequency conversion fan, can regulate suitable air quantity according to the real needs of preheating and catalysis combustion phases respectively;
(7) whole cleaning system runs seriality by force, can realize uninterrupted stable operation in 24 hours, and ensure stable purification efficiency;
(8) the application is widely used, can be applicable to include petrochemical industry, spray paint, the multiple industry such as packages printing.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of herein described cleaning system.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, the application is described further, but the application protection domain is not limited to described content.
As shown in Figure 1, the application, for the pre-heated catalytic combustion system of purifying volatile organic exhaust gas, specifically includes that dry filter 2, absorbent charcoal adsorber 3, heat exchanger I7 and heat exchanger II11, catalytic combustion system 12, auxiliary electric heater unit 14, Electric air valve F1-F3, temperature probe T 1-T4, blower fan 4 and 9, mends cold wind mouth 6, venting 13, thief hatch 15, tee T E1-2, pipeline D1-9, aiutage I5 and aiutage II10;
Wherein, waste gas air inlet 1 is arranged on dry filter 2;Dry filter 2 is connected with absorbent charcoal adsorber 3 through pipeline D1;Absorbent charcoal adsorber 3 is connected with heat exchanger II11 through pipeline D3, tee T E2, pipeline D4;Heat exchanger II11 is connected with heat exchanger I7 through pipeline D5;Heat exchanger I7 is connected with absorbent charcoal adsorber 3 through pipeline D7, tee T E1, pipeline D9;Heat exchanger I7 is connected with heat exchanger II11 through pipeline D7, tee T E1, pipeline D8, tee T E2, pipeline D4;On heat exchanger II11 and catalytic combustion system 12 associated catalytic burner 12, auxiliary electric heater unit 14 is set;Desorption gas air inlet 8, discharge tube D6 it is provided with on heat exchanger I7;Discharge tube D2 it is provided with on absorbent charcoal adsorber 3;Tee T E1 connects pipeline D7, D8, D9;Tee T E2 connects pipeline D3, D8, D4.Electric air valve F3 it is provided with on pipeline 3;Electric air valve F2 it is provided with on pipeline 8;Electric air valve F1 it is provided with on pipeline 9.Temperature probe T 1 is arranged on absorbent charcoal adsorber 3;Temperature probe T 2 is arranged on pipeline D7;Temperature probe T 3 is arranged on pipeline D4;Temperature probe T 4 is arranged on catalytic combustion system 12.Blower fan 4 is connected with absorbent charcoal adsorber 3 through pipeline D2;Frequency conversion fan 9 is connected with heat exchanger I7 through pipeline D6.Mend cold wind mouth 6 to be arranged on absorbent charcoal adsorber 3;Venting 13 is arranged on catalytic combustion system 12;Thief hatch 15 is arranged on pipeline D4.Aiutage I5 is connected with blower fan 4;Aiutage II10 is connected with frequency conversion fan 9.
The volatile organic waste gas that herein described cleaning system can purify includes benzene and benzene homologues, alcohols, aldehydes, esters, ketone etc., sufficiently organic compound combustion can be decomposed into CO2And H2The innocuous substances such as O.
Main operational steps is as follows:
(1) the adsorption cleaning stage
Waste gas air inlet 1 collects waste gas, filters through dry filter 2, is transported to absorbent charcoal adsorber 3 through pipeline D1 and carries out adsorption cleaning, and purified gas is carried out high altitude discharge through pipeline D2, exhaust blower 4 by aiutage I5.In this step, absorbent charcoal adsorber can arrange two or more recycling.
(2) warm-up phase
In catalytic combustion system initial start stage, close air-valve F1 and F3 and carry out catalytic combustion system preheating.Regulation blower fan 9 makes little air quantity air enter heat exchanger I7 through desorption gas air inlet 8, open air-valve F2, air is transported to heat exchanger II11 and catalytic combustion system 12 through pipeline D7, D8, D4, opening auxiliary electric heater unit 14 makes air heat, air after heating transfers thermal energy to the air of follow-up entrance heat exchanger II11 through heat exchanger II11, then heat exchanger I7 is entered through pipeline D5, transfer thermal energy to the air of newly entering heat exchanger I7 again through heat exchanger I7, with after carry out high altitude discharge through pipeline D6, exhaust blower 9 and aiutage II10.This stage must make temperature in catalytic combustion system 12 reach the temperature (350~400 DEG C) required for volatile organic waste gas burning.
(3) catalysis combustion phases
It is preheating to need temperature (350~400 DEG C) to open air-valve F1-F3 afterwards in catalytic combustion system and carries out the catalysis burning purification of organic exhaust gas.The air entering into heat exchanger I7 through desorption gas air inlet 8 is heated to uniform temperature (60~90 DEG C), this hot-air is through shunting, a part is as desorption air, enter absorbent charcoal adsorber 3 by pipeline D7, tee T E1, air-valve F1, pipeline D9, volatile organic matter thermal desorption from activated carbon is got off;When desorption gas is less than temperature (60~90 DEG C) needed for desorption, open the auxiliary electric heater unit 14 in catalytic combustion system 12;Another part enters into heat exchanger I7 and heated air through desorption gas air inlet 8 and enters into pipeline D4 as carrier gas by pipeline D7, tee T E1, air-valve F2, pipeline D8, tee T E2, mix in pipeline D4 with through absorbent charcoal adsorber 3, pipeline D3, air-valve F3, the desorption waste gas of tee T E2, making desorption exhaust gas dilution, mixed gas enters catalytic combustion system 12 after pipeline D4, heat exchanger II11 preheat and is broken down into CO2And H2The innoxious material such as O, purified gas sequentially passes through heat exchanger II11 and heat exchanger I7, being delivered separately to heat enter the mixed gas of heat exchanger II11 and enter the air of heat exchanger I7, the gas after cooling carries out high altitude discharge through pipeline D6, exhaust blower 9 and aiutage II10.
System can also control to enter the exhaust gas concentration of catalytic combustion system, method particularly includes: the concentration of desorption organic exhaust gas controls to be adjusted controlling by air-valve F1 and F2;When regulate F1 be low discharge, F2 be big flow time, volatile organic matter be desorbed is less, and diluent air is more, then the organic exhaust gas concentration being desorbed in pipeline can reduce;Otherwise then concentration raises.
After tested, more complete when the purification of system described in the application patent.
Comparative example one
When using the non-pre-heated catalytic combustion method of tradition, when other equipment are same as the present application, it is to avoid not system startup stage the organic principle incomplete combustion that occurs, the problem that discharge exceeds standard.
It follows that the pre-heated catalytic combustion system described in the application patent is better than the non-pre-heated catalytic combustion system of tradition in operational mode.
The application be applicable to petrochemical industry, spray paint, the multiple industry such as packages printing.
The foregoing is only one of the application preferred embodiment, not in order to limit the application, all any amendment, equivalent and improvement etc. made within spirit herein and principle, within should be included in the protection domain of the application.

Claims (9)

1. the pre-heated catalytic combustion system of a purifying volatile organic exhaust gas, it is characterized in that, described system specifically includes that dry filter (2), absorbent charcoal adsorber (3), heat exchanger I (7) and heat exchanger II (11), catalytic combustion system (12), auxiliary electric heater unit (14);
Wherein, waste gas air inlet (1) is arranged on dry filter (2);Dry filter (2) is connected with absorbent charcoal adsorber (3) through pipeline D1;Absorbent charcoal adsorber (3) is connected with heat exchanger II (11) through pipeline D3, tee T E2, pipeline D4;Heat exchanger II (11) is connected through pipeline D5 and heat exchanger I (7);Heat exchanger I (7) is connected with absorbent charcoal adsorber (3) through pipeline D7, tee T E1, pipeline D9;Heat exchanger I (7) is connected with heat exchanger II (11) through pipeline D7, tee T E1, pipeline D8, tee T E2, pipeline D4;Heat exchanger II (11) is connected with catalytic combustion system (12);Auxiliary electric heater unit (14) is set on catalytic combustion system (12);Desorption gas air inlet (8), discharge tube D6 it is provided with on heat exchanger I (7);Absorbent charcoal adsorber is provided with discharge tube D2 on (3);Tee T E1 connects pipeline D7, pipeline D8, pipeline D9;Tee T E2 connects pipeline D3, pipeline D4, pipeline D8.
2. the system as claimed in claim 1, it is characterised in that: described system also includes Electric air valve F1, Electric air valve F2, Electric air valve F3;Wherein, pipeline D3 is provided with Electric air valve F3;Electric air valve F2 it is provided with on pipeline D8;Electric air valve F1 it is provided with on pipeline D9.
3. the system as described in any one of claim 2, it is characterised in that: described system also includes temperature probe T 1, temperature probe T 2, temperature probe T 3, temperature probe T 4;Wherein, temperature probe T 1 is arranged on absorbent charcoal adsorber (3);Temperature probe T 2 is arranged on pipeline D7;Temperature probe T 3 is arranged on pipeline D4;Temperature probe T 4 is arranged on catalytic combustion system (12).
4. the system as described in any one of claim 1-3, it is characterised in that: described system also includes blower fan (4) and frequency conversion fan (9);Wherein, blower fan (4) is connected with absorbent charcoal adsorber (3) through pipeline D2;Frequency conversion fan (9) is connected through pipeline D6 and heat exchanger I (7).
5. the system as described in any one of claim 1-3, it is characterised in that: described system also includes mending cold wind mouth (6), venting (13), thief hatch (15);Wherein, mend cold wind mouth (6) to be arranged on absorbent charcoal adsorber (3);Venting (13) is arranged on catalytic combustion system (12);Thief hatch (15) is arranged on pipeline D4.
6. the system as described in any one of claim 1-3, it is characterised in that: described system also includes aiutage I (5) and aiutage II (10);Wherein, aiutage I (5) is connected with blower fan (4);Aiutage II (10) is connected with frequency conversion fan (9).
7. the system as described in any one of claim 1-3, it is characterised in that: described heat exchanger is contact heat exchanger.
8. the system as described in any one of claim 1-3, it is characterised in that: described absorbent charcoal adsorber is arranged in parallel two or more.
9. the system as described in any one of claim 2-3, it is characterised in that: described Electric air valve is high-accuracy Electric air valve.
CN201520911683.6U 2015-11-10 2015-11-10 Purify volatile organic exhaust gas's preheating -type catalytic combustion system Active CN205424950U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105371286A (en) * 2015-11-10 2016-03-02 重庆科蓝环保实业有限公司 Preheat type catalytic combustion system for purifying volatile organic waste gas
CN107308776A (en) * 2017-08-04 2017-11-03 青岛蓝皑环保节能有限公司 A kind of efficiently quick desorption catalyzing burning process
CN111318127A (en) * 2020-03-05 2020-06-23 广东盛邦环保科技有限公司 Organic waste gas purification treatment method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105371286A (en) * 2015-11-10 2016-03-02 重庆科蓝环保实业有限公司 Preheat type catalytic combustion system for purifying volatile organic waste gas
CN107308776A (en) * 2017-08-04 2017-11-03 青岛蓝皑环保节能有限公司 A kind of efficiently quick desorption catalyzing burning process
CN111318127A (en) * 2020-03-05 2020-06-23 广东盛邦环保科技有限公司 Organic waste gas purification treatment method

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Address after: Chunhui road 400084 Chongqing Dadukou Cypress Street Road No. 101 building 4 3-8

Patentee after: CHONGQING KELAN ENVIRONMENTAL PROTECTION INDUSTRIAL CO., LTD.

Address before: 401147 Chongqing city Yubei District Longxi Town, Longshan Road No. 401 Building 1 27-6

Patentee before: CHONGQING KELAN ENVIRONMENTAL PROTECTION INDUSTRIAL CO., LTD.