CN103486599A - Temperature-controllable energy-saving desorption system - Google Patents
Temperature-controllable energy-saving desorption system Download PDFInfo
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- CN103486599A CN103486599A CN201310452069.3A CN201310452069A CN103486599A CN 103486599 A CN103486599 A CN 103486599A CN 201310452069 A CN201310452069 A CN 201310452069A CN 103486599 A CN103486599 A CN 103486599A
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Abstract
The invention relates to a temperature-controllable energy-saving desorption system which comprises a gas inlet heater, a catalysis bed, a catalysis fan and a heat exchanger. A catalysis tail gas inlet, a catalysis tail gas outlet, a catalysis gas inlet, a catalysis gas outlet, a desorption gas delivery inlet and a desorption gas delivery outlet are formed in the heat exchanger, the catalysis fan is connected with the catalysis gas inlet by a pipeline, the catalysis gas outlet is connected with one end of the gas inlet heater by a pipeline, the catalysis bed comprises a gas inlet cover, a furnace and a gas outlet cover, the gas inlet cover is fixedly arranged at the upper end of the furnace, and the gas outlet cover is fixedly arranged at the lower end of the furnace. The temperature-controllable energy-saving desorption system has the advantages that the treatment heat efficiency can be effectively improved, heat loss can be reduced, the heat recycling rate can be increased, the temperature of the inside of the catalysis combustion bed in the desorption system is uniform during combustion, the combustion efficiency can be improved, the purifying rate can be increased, heat exchange can be improved, heat energy can be reasonably utilized, requirements on energy conservation and emission reduction can be met, and the temperature of gas inputted into the catalysis bed can be effectively controlled.
Description
Technical field
The invention belongs to the desorption system field, the energy-saving desorption system that especially a kind of temperature is controlled.
Background technology
In the desorption system that the processing industrial volatile organic pollutants is used at present, capital equipment comprises catalytic bed, catalytic bed is made building enclosure by heat resisting steel sheet material or industrial furnace building material usually, in its existing catalytic combustion bed structure, air inlet and air outlet are located at the two ends up and down of catalytic combustion bed, although existing structure can be realized catalytic combustion, but there are the following problems: 1, the thermal losses of catalytic combustion pool furnace body structure own is large, and the recuperation of heat utilization ratio is lower; 2, non-uniform temperature in catalytic combustion pool furnace body structure, totally be the centre temperature high, and the edge temperature is low, reduced the industrial volatile organic pollutants efficiency of combustion, affect the purifying rate of catalytic combustion, 3, energy-saving effect is poor, do not meet the energy-saving and emission-reduction requirement.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of temperature controlled energy-saving desorption system, this desorption system has effectively improved the thermal efficiency of processing, reduce thermal losses, improve the recuperation of heat utilization rate, in catalytic combustion bed during burning in desorption system, temperature is more even, efficiency of combustion and purifying rate have been improved, increased heat exchange and more rationally utilized heat energy, met the energy-saving and emission-reduction requirement, the gas temperature of input catalytic bed can effectively be controlled.
The present invention solves its technical problem and is achieved through the following technical solutions:
The energy-saving desorption system that a kind of temperature is controlled, it comprises air intake heater, catalytic bed, catalysis blower fan and heat exchanger, heat exchanger is provided with the catalysis gas inlet, the outlet of catalysis tail gas, the import of catalysis gas, the outlet of catalysis gas, desorption entrance and the desorption outlet of supplying gas of supplying gas, the catalysis blower and pipeline connects the import of catalysis gas, the outlet of catalysis gas connects air intake heater one end by pipeline, wherein catalytic bed comprises airscoop shroud, body of heater, air leaving cover, the body of heater upper end is fixedly mounted with airscoop shroud, the body of heater lower end is fixedly mounted with air leaving cover, body of heater comprise the body of heater peripheral board with and the bottom plate that is fixedly mounted with of the upper head plate that is fixedly mounted with of upper end and its lower end, evenly be fixed with heat-insulation layer at body of heater peripheral board outer wall, coaming plate in one body of heater is set in the body of heater peripheral board, be arranged alternately air intake duct and gas off-take between coaming plate and body of heater peripheral board in body of heater, the import of air intake duct is arranged on upper head plate, the outlet of air intake duct is arranged between bottom plate and the interior coaming plate of body of heater, the import of gas off-take is arranged between upper head plate and the interior coaming plate of body of heater, the outlet of gas off-take is arranged on bottom plate, be provided with the air inlet kuppe on the upper head plate middle part of corresponding airscoop shroud import, be provided with the combustion gas kuppe on below the upper head plate middle part, be provided with the catalytic bed heater at air intake port in corresponding body of heater, be provided with the kuppe of giving vent to anger below the bottom plate middle part of corresponding air leaving cover outlet, the air intake heater other end connects airscoop shroud by pipeline, air leaving cover connects the catalysis gas inlet by pipeline.
And described heat exchanger is plate type heat exchanger.
And the quantity of described air intake duct and gas off-take is identical and evenly alternately be arranged in body of heater between coaming plate and body of heater peripheral board.
And, be provided with the explosion-proof relief mouth on described airscoop shroud.
And described air inlet kuppe is positive rectangular pyramid structure, combustion gas kuppe and the kuppe of giving vent to anger are inverted positive rectangular pyramid structure.
And, be provided with catalyst bracket in the body of heater above described heater, catalyst layer is installed on catalyst bracket.
And, described air intake duct adopt rectangular steel pipe and be arranged on the body of heater peripheral board with the interior coaming plate of body of heater between, gas off-take is surrounded by coaming plate in air intake duct rectangle steel tube wall, body of heater peripheral board and the body of heater of its both sides.
And described body of heater peripheral board cross section is rectangle or square or circular, in body of heater, the coaming plate cross section is rectangle or square or circular.
And described catalytic bed heater is the electric heating tube group.
And described air intake duct cross section is rectangle or square or fan-shaped or circular or encircle fan-shapedly, the gas off-take cross section is rectangle or square or fan-shaped or circular or encircle fan-shaped.
Advantage of the present invention and beneficial effect are:
1, in the controlled energy-saving desorption system of this temperature, catalytic bed comprises airscoop shroud, body of heater, air leaving cover, the body of heater upper end is fixedly mounted with airscoop shroud, the body of heater lower end is fixedly mounted with air leaving cover, body of heater comprise the body of heater peripheral board with and the bottom plate that is fixedly mounted with of the upper head plate that is fixedly mounted with of upper end and its lower end, evenly be fixed with heat-insulation layer at body of heater peripheral board outer wall, coaming plate in one body of heater is set in the body of heater peripheral board, be arranged alternately air intake duct and gas off-take between coaming plate and body of heater peripheral board in body of heater, the import of air intake duct is arranged on upper head plate, the outlet of air intake duct is arranged between bottom plate and the interior coaming plate of body of heater, the import of gas off-take is arranged between upper head plate and the interior coaming plate of body of heater, the outlet of gas off-take is arranged on bottom plate, be provided with the air inlet kuppe on the upper head plate middle part of corresponding airscoop shroud import, be provided with the combustion gas kuppe on below the upper head plate middle part, be provided with the catalytic bed heater at air intake port in corresponding body of heater, be provided with the kuppe of giving vent to anger below the bottom plate middle part of corresponding air leaving cover outlet, the air intake heater other end connects airscoop shroud by pipeline, air leaving cover connects the catalysis gas inlet by pipeline, air intake duct is set for this kind of over-over mode and gas off-take can be realized the even air inlet of catalytic bed bottom of furnace body surrounding, thereby the industrial volatile organic pollutants that makes to enter body of heater is attracted to the surface of cat ceramic carrier more uniformly, make the body of heater internal combustion even, high-temperature gas after burning refluxes downwards evenly by gas off-take, make the bottom of furnace body temperature-compensating even, overcome in prior art catalytic bed body of heater centre temperature high, the uneven shortcoming of the low heating of edge temperature, efficiency of combustion and purifying rate have been improved, through heat exchanger, catalytic bed catalytic combustion heat further can be utilized, realize energy-saving and emission-reduction.
2, the controlled energy-saving desorption system of this temperature is provided with the air inlet kuppe on the upper head plate middle part of corresponding airscoop shroud import, be provided with the combustion gas kuppe on below the upper head plate middle part, be provided with heater at air intake port in corresponding body of heater, this heater is packed on the body of heater peripheral board, be provided with the kuppe of giving vent to anger below the bottom plate middle part of corresponding air leaving cover outlet, the air inlet kuppe is positive rectangular pyramid structure, combustion gas kuppe and the kuppe of giving vent to anger are inverted positive rectangular pyramid structure, this kind of structural design can effectively realize even air inlet, evenly burning, the VOCs gas uniform burnt enters gas off-take, effectively improve catalytic combustion bedside edge megadyne temperature degree, after entering into air leaving cover, evenly discharge, for realizing high burning efficiency and purifying rate, furnace binding lays the first stone.
3, in the controlled energy-saving desorption system of Ben Wendu, front end is provided with air intake heater and is provided with the catalytic bed heater in catalytic bed, it is fast that this kind arranges firing rate, efficiency is high, be arranged on the air intake port position, be conducive to abundant burning, improve purifying rate, thermocouple is installed in addition on sidewall of the furnace body and facilitates temperature monitoring in body of heater, improve security.
4, the controlled energy-saving desorption system of Ben Wendu adopts over-over mode that air intake duct and gas off-take are set, and effectively by the recycling of catalytic combustion heat, performs to ultimate attainment.Utilize catalyst combustion reaction heat to carry out preheating to the gas that enters the catalytic combustion bed.This warm is for belonging to countercurrent flow for the air-flow in the catalytic combustion bed, for the high-temperature catalytic tail gas flow through in the air flue formed by coaming plate in body of heater and body of heater peripheral board, belonging to the following current heat exchange, gas in air intake duct is heated on three directions, and make heat exchange unit to greatest extent near thermal source, reduce heat loss, improve heat exchange efficiency, to guarantee that the catalytic combustion bed reaches the catalysis initiation temperature at the stylish VOCs gas entered of normal combustion, contribute to maintain that catalyticing combustion process is stable carries out, reduce and even break away from the dependence to auxiliary electrical heater.
5, the high-temperature tail gas that in the controlled energy-saving desorption system of Ben Wendu, catalytic combustion produces is along gas off-take, it is the process that the body of heater wall is back to catalytic combustion bed lower part outlet, the back feeding heating is carried out in catalytic combustion bedside edge zone, contribute to the maintenance of catalytic combustion bed ensemble temperature with even, impel catalytic combustion to be evenly distributed in whole catalytic combustion bed cross section, improve the catalytic combustion purifying rate, and form benign cycle thus, be beneficial to catalytic combustion and carry out continually and steadily.
6, the air inlet kuppe and the combustion gas kuppe that in the controlled energy-saving desorption system of Ben Wendu, on upper head plate, arrange are design for disassembly, have facilitated the replacing of catalytic combustion pool furnace body inner catalyst, have improved production efficiency.
7, in the controlled energy-saving desorption system of Ben Wendu, air intake duct can be different from the quantity of gas off-take, also can be identical, the air intake duct sectional area can equal the gas off-take sectional area, the air intake duct sectional area also can be greater than the gas off-take sectional area, the air intake duct sectional area can also be less than the gas off-take sectional area, determine different air intake ducts and the cross-section relation between gas off-take according to climate reasons, VOCs gas treatment amount and catalyst use amount, make it more adapt to the processing requirements of different situations.
8, in the controlled energy-saving desorption system of Ben Wendu air intake duct adopt rectangular steel pipe and be arranged on the body of heater peripheral board with the interior coaming plate of body of heater between, gas off-take is surrounded by coaming plate in air intake duct rectangle steel tube wall, body of heater peripheral board and the body of heater of its both sides, this kind of mode design can effectively be reduced the steel use amount, reduce construction costs, for energy-saving and cost-reducing new design, reach processing requirements fully.
9, in the controlled energy-saving desorption system of Ben Wendu, body of heater peripheral board cross section is rectangle or square or circular, in body of heater, the coaming plate cross section is rectangle or square or circular, the air intake duct cross section is rectangle or square or fan-shaped or circular or encircle fan-shapedly, and the gas off-take cross section is rectangle or square or fan-shaped or circular or encircle fan-shaped.This kind of Structural Transformation mainly adapts to difform catalytic combustion bed profile, facilitates the design of various situations.
10, be provided with the explosion-proof relief mouth on the airscoop shroud in the controlled energy-saving desorption system of Ben Wendu, improved the security of catalytic combustion bed, prevent the generation of security incident.
11 heat exchangers of the present invention are plate type heat exchanger, heat exchanger is provided with entrance and the desorption outlet of supplying gas of supplying gas of catalysis gas inlet, the outlet of catalysis tail gas, the import of catalysis gas, the outlet of catalysis gas, desorption, can more high efficiencyly utilize heat energy, reduce the dependence to electric energy.
12, the present invention has effectively improved the thermal efficiency of processing, reduce thermal losses, improve the recuperation of heat utilization rate, in catalytic combustion bed during burning in desorption system, temperature is more even, efficiency of combustion and purifying rate have been improved, increased heat exchange and more rationally utilized heat energy, met the energy-saving and emission-reduction requirement, the gas temperature of input catalytic bed can effectively be controlled.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that airscoop shroud of the present invention, body of heater, air leaving cover are in conjunction with schematic diagram;
The right view that Fig. 3 is Fig. 2;
The A-A that Fig. 4 is Fig. 3 is to cutaway view;
The structural representation that Fig. 5 is body of heater of the present invention (omitting heater, heat-insulation layer, thermocouple and the kuppe of giving vent to anger);
The B-B that Fig. 6 is Fig. 5 is to cutaway view (omitting catalyst bracket and catalyst layer);
The top view that Fig. 7 is Fig. 5;
The upward view that Fig. 8 is Fig. 5;
The stereogram that Fig. 9 is body of heater of the present invention (omitting heater, heat-insulation layer, thermocouple, kuppe, catalyst bracket and catalyst layer);
Figure 10 is heat exchanger structure schematic diagram of the present invention.
The specific embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
The energy-saving desorption system that a kind of temperature is controlled, comprise air intake heater 6, catalytic bed, catalysis blower fan 10 and heat exchanger 11, catalytic bed comprises airscoop shroud 3, body of heater 5, air leaving cover 9, the body of heater upper end is fixedly mounted with airscoop shroud, be provided with explosion-proof relief mouth 2 on airscoop shroud, the body of heater lower end is fixedly mounted with air leaving cover, air intake heater connects airscoop shroud by pipeline, the airscoop shroud upper end arranges gas feed 1, the air leaving cover lower end arranges gas vent, body of heater comprise body of heater peripheral board 22 with and the bottom plate 8 that is fixedly mounted with of the upper head plate 4 that is fixedly mounted with of upper end and its lower end, it evenly is fixed with heat-insulation layer 16 at body of heater peripheral board outer wall, coaming plate 23 in one body of heater is set in the body of heater peripheral board, be arranged alternately air intake duct 13 and gas off-take 20 between coaming plate and body of heater peripheral board in body of heater, the import 24 of air intake duct is arranged on upper head plate, the outlet 21 of air intake duct is arranged between bottom plate and the interior coaming plate of body of heater, the import 12 of gas off-take is arranged between upper head plate and the interior coaming plate of body of heater, the outlet 25 of gas off-take is arranged on bottom plate, be provided with air inlet kuppe 14 on the upper head plate middle part of corresponding airscoop shroud gas feed, be provided with combustion gas kuppe 15 on below the upper head plate middle part, be provided with heater 7 at air intake port in corresponding body of heater, this heater is packed on the body of heater peripheral board, this heater is the electric heating tube group, electric heating tube quantity can be determined according to actual conditions, be provided with the kuppe 19 of giving vent to anger below the bottom plate middle part of corresponding air leaving cover outlet, the air inlet kuppe is positive rectangular pyramid structure, combustion gas kuppe and the kuppe of giving vent to anger are inverted positive rectangular pyramid structure.Be provided with catalyst bracket 18 in body of heater above heater, catalyst layer 17 is installed on catalyst bracket, heat exchanger is provided with catalysis gas inlet 26, catalysis tail gas outlet 31, catalysis gas import 28, catalysis gas outlet 27, desorption entrance 30 and the desorption outlet 29 of supplying gas of supplying gas, air leaving cover connects the catalysis gas inlet by pipeline, and thermocouple is installed on sidewall of the furnace body.In the present embodiment, the quantity of thermocouple is three, be packed in respectively the upper of sidewall of the furnace body, in, lower three positions, the quantity of air intake duct and gas off-take is identical and evenly alternately be arranged in body of heater between coaming plate and body of heater peripheral board, air intake duct can be not identical with the quantity of gas off-take yet, described be arranged in body of heater the air intake duct in opposite between coaming plate and body of heater peripheral board and air intake duct can be one by one corresponding or air intake duct and gas off-take corresponding one by one, air intake duct shown in the present embodiment accompanying drawing 8 and gas off-take quantity are 20 and evenly alternately be arranged in body of heater between coaming plate and body of heater peripheral board, adopt air intake duct and gas off-take corresponding mode one by one, the air intake duct sectional area can equal the gas off-take sectional area, the air intake duct sectional area also can be greater than the gas off-take sectional area, the air intake duct sectional area can also be less than the gas off-take sectional area.For the air intake duct in energy-saving and cost-reducing this catalytic combustion pool furnace body structure adopts rectangular steel pipe and is arranged in body of heater peripheral board and body of heater between coaming plate, gas off-take is surrounded by coaming plate in air intake duct rectangle steel tube wall, body of heater peripheral board and the body of heater of its both sides, body of heater peripheral board cross section is rectangle or square or circular, in body of heater, the coaming plate cross section is rectangle or square or circular, the air intake duct cross section is rectangle or square or fan-shaped or circular or encircle fan-shapedly, and the gas off-take cross section is rectangle or square or fan-shaped or circular or encircle fan-shaped.
The present invention's VOCs gas in use enters through air inlet kuppe gas uniform and flows to the Fighter Inlet upper head plate from the import of airscoop shroud, arrive catalytic combustion pool furnace body below by inlet duct flow, meeting bottom plate stops to turn back and enters in catalytic combustion pool furnace body, aperture through heater and cat ceramic honeycomb substrate is burnt, the combustion gas kuppe that gas after burning meets the inversion rectangular pyramid structure below end plate evenly enters the air intake duct rectangle steel tube wall by the gas off-take both sides, the gas off-take that in body of heater peripheral board and body of heater, coaming plate surrounds, evenly flow out the air leaving cover outlet from the gas off-take outlet through the kuppe of giving vent to anger.
Actual motion compliance test result of the present invention: this new catalytic burning bed furnace binding in actual use, after conventional preheating, passes into VOCs gas, after catalytic combustion occurs, cuts off electrical heating.Within the VOCs gas concentration meets the period of minimum ignition concentration, realize self-sustaining burning fully, without any additional auxiliary thermal source, the catalyticing combustion process catalytic combustion bed tempertaure short time reaches 650 ℃, most time maintains between 400 ℃-500 ℃, and flameholding, fluctuate less.The regional temperature instrumentation reading in three of catalytic combustion bed upper, middle and lower approaches, and uniformity of temperature profile is described, exit gas detects, and the VOCs purifying rate is not less than 98%, meets the relevant national standard requirement fully.
Claims (10)
1. the energy-saving desorption system that temperature is controlled, it is characterized in that: comprise air intake heater, catalytic bed, catalysis blower fan and heat exchanger, heat exchanger is provided with the catalysis gas inlet, the outlet of catalysis tail gas, the import of catalysis gas, the outlet of catalysis gas, desorption entrance and the desorption outlet of supplying gas of supplying gas, the catalysis blower and pipeline connects the import of catalysis gas, the outlet of catalysis gas connects air intake heater one end by pipeline, wherein catalytic bed comprises airscoop shroud, body of heater, air leaving cover, the body of heater upper end is fixedly mounted with airscoop shroud, the body of heater lower end is fixedly mounted with air leaving cover, body of heater comprise the body of heater peripheral board with and the bottom plate that is fixedly mounted with of the upper head plate that is fixedly mounted with of upper end and its lower end, evenly be fixed with heat-insulation layer at body of heater peripheral board outer wall, coaming plate in one body of heater is set in the body of heater peripheral board, be arranged alternately air intake duct and gas off-take between coaming plate and body of heater peripheral board in body of heater, the import of air intake duct is arranged on upper head plate, the outlet of air intake duct is arranged between bottom plate and the interior coaming plate of body of heater, the import of gas off-take is arranged between upper head plate and the interior coaming plate of body of heater, the outlet of gas off-take is arranged on bottom plate, be provided with the air inlet kuppe on the upper head plate middle part of corresponding airscoop shroud import, be provided with the combustion gas kuppe on below the upper head plate middle part, be provided with the catalytic bed heater at air intake port in corresponding body of heater, be provided with the kuppe of giving vent to anger below the bottom plate middle part of corresponding air leaving cover outlet, the air intake heater other end connects airscoop shroud by pipeline, air leaving cover connects the catalysis gas inlet by pipeline.
2. the controlled energy-saving desorption system of temperature according to claim 1, it is characterized in that: described heat exchanger is plate type heat exchanger.
3. the controlled energy-saving desorption system of temperature according to claim 1 is characterized in that: the quantity of described air intake duct and gas off-take is identical and evenly alternately be arranged in body of heater between coaming plate and body of heater peripheral board.
4. the controlled energy-saving desorption system of temperature according to claim 1, is characterized in that: be provided with the explosion-proof relief mouth on described airscoop shroud.
5. the controlled energy-saving desorption system of temperature according to claim 1, it is characterized in that: described air inlet kuppe is positive rectangular pyramid structure, combustion gas kuppe and the kuppe of giving vent to anger are inverted positive rectangular pyramid structure.
6. the controlled energy-saving desorption system of temperature according to claim 1, is characterized in that: be provided with catalyst bracket in the body of heater above described heater, catalyst layer is installed on catalyst bracket.
7. the controlled energy-saving desorption system according to the described temperature of claim 1 or 3, it is characterized in that: described air intake duct adopt rectangular steel pipe and be arranged on the body of heater peripheral board with the interior coaming plate of body of heater between, gas off-take is surrounded by coaming plate in air intake duct rectangle steel tube wall, body of heater peripheral board and the body of heater of its both sides.
8. the controlled energy-saving desorption system of temperature according to claim 1 is characterized in that: described body of heater peripheral board cross section is rectangle or square or circular, and in body of heater, the coaming plate cross section is rectangle or square or circular.
9. the controlled energy-saving desorption system of temperature according to claim 1, it is characterized in that: described catalytic bed heater is the electric heating tube group.
10. the controlled energy-saving desorption system of temperature according to claim 1, it is characterized in that: described air intake duct cross section is rectangle or square or fan-shaped or circular or encircle fan-shapedly, and the gas off-take cross section is rectangle or square or fan-shaped or circular or encircle fan-shaped.
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| CN201310452069.3A CN103486599B (en) | 2013-09-27 | 2013-09-27 | The energy-saving desorption system of temperature-controllable |
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| CN201310452069.3A CN103486599B (en) | 2013-09-27 | 2013-09-27 | The energy-saving desorption system of temperature-controllable |
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| EP1350553A1 (en) * | 2002-03-29 | 2003-10-08 | Tosoh Corporation | Catalytic combustion reactor with a heat exchanger and method for carrying out catalytic combustion reaction |
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| CN102192516A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | High-efficiency catalytic combustion decontamination plant for industrial volatilizable organic pollutants |
| CN201997241U (en) * | 2011-04-01 | 2011-10-05 | 浙江工商大学 | Reactor for treating VOCs with plasma cooperating with chemical catalysis |
| CN203517830U (en) * | 2013-09-27 | 2014-04-02 | 天津赛智科技发展有限公司 | Energy-saving desorption system with controllable temperature |
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2013
- 2013-09-27 CN CN201310452069.3A patent/CN103486599B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1350553A1 (en) * | 2002-03-29 | 2003-10-08 | Tosoh Corporation | Catalytic combustion reactor with a heat exchanger and method for carrying out catalytic combustion reaction |
| JP2005279570A (en) * | 2004-03-30 | 2005-10-13 | Mitsubishi Heavy Ind Ltd | Apparatus and method for processing volatile organic compound |
| JP2009063210A (en) * | 2007-09-05 | 2009-03-26 | Chubu Electric Power Co Inc | Treatment device of volatile organic compound |
| CN102188878A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | Efficient absorption and desorption combined system with plate-type heat exchanger |
| CN102192516A (en) * | 2011-03-25 | 2011-09-21 | 天津赛智科技发展有限公司 | High-efficiency catalytic combustion decontamination plant for industrial volatilizable organic pollutants |
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