CN103331086A - Movable integrated device for treating organic waste gas - Google Patents
Movable integrated device for treating organic waste gas Download PDFInfo
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- CN103331086A CN103331086A CN2013103031721A CN201310303172A CN103331086A CN 103331086 A CN103331086 A CN 103331086A CN 2013103031721 A CN2013103031721 A CN 2013103031721A CN 201310303172 A CN201310303172 A CN 201310303172A CN 103331086 A CN103331086 A CN 103331086A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention provides a movable integrated device for treating organic waste gas, and belongs to the field of organic waste gas treatment. The device comprises an adsorption unit, a catalytic reaction unit and a PLC (programmable logic controller) system which are integrally designed on a movable walking support, wherein the adsorption unit adopts a continuously rotary runner type structure, the organic waste gas passes through a runner adsorbent bed, and is absorbed by activated carbon or molecular sieve and discharged by a high-altitude discharge pipe after the gas is up to the standard. Fresh air is electrically heated to form desorption air, the runner adsorbent bed is subjected to desorption and regeneration, the organic waste gas after desorption is subjected to heating and heat exchange, then enters a catalytic combustion bed for a reaction to generate carbon dioxide and water, generated flue gas at the medium temperature is used for preheating the desorbed organic waste gas by a heat exchanger, and energy consumption during operation is reduced. The device can be used for emergency treatment of sudden accidents of environmental pollution or treatment of pollution sources limited by space, and the device has movability and small device size, can be mounted without civil engineering foundation, and is convenient to move and high in treatment efficiency.
Description
Technical field
The present invention relates to a kind of organic waste gas treatment device, belong to the organic exhaust gas process field, relate in particular to a kind of removable integral waste gases treating apparatus.
Background technology
In recent years, along with the fast development of industry, the Organic Waste Gas Pollution that is formed by the environment burst accident has generation frequently, and existing processing mode mainly contains physical absorption, buries, burns, ventilation etc.Mainly contain absorption transfer method, catalytic oxidation, absorption and concentrate-catalytic oxidation and be usually used in technology that industrial organic exhaust gas handles at present, exist a lot of deficiencies in the processing of environment burst accident.
The absorption transfer method is to utilize adsorbents such as active carbon with adsorption capacity, clay, to organic exhaust gas solvent carry out adsorption treatment, organic solvent is transferred to adsorbent from ground or from waste gas, this processing method is simple, but adsorbent can not be regenerated and reuse, must change after saturated reaching absorption, it is solid useless not only to produce industry, increased operating cost, and be rich in a large amount of organic matters in the waste and old active carbon, can burn under certain condition, potential safety hazard such as pollutant release; Production by Catalytic Combustion Process is organic compounds to be burnt generate CO below ignition temperature
2And H
2O, 200～500 ℃ of temperature ranges, but Production by Catalytic Combustion Process needs extra demand for fuel for the big air quantity that forms in the accident, the processing of low-concentration organic exhaust gas, increased disposal cost, and treatment effeciency is low.
Integral type absorption concentrates-catalytic oxidation, be the combined integrated technology of activated carbon adsorption bed and catalytic oxidation bed, adsorbent bed carries out adsorption treatment to organic exhaust gas successively, utilizes hot blast that the adsorbent bed body is taken turns desorption, and the concentrated waste gas that desorption goes out carries out catalytic oxidation treatment through catalytic bed; By this process, adsorbent not only can automatic regeneration, has saved operating cost, and organic pollution just is oxidized to CO in the original place after absorption
2And H
2Secondary transferring and the generation of pollutant do not take place in O; But integrated charcoal absorption concentrates-catalytic oxidation, installs hugely, is fixed on usually on foundation of civil work or the steel structure platform, has limited its application under the emergency processing demand condition.
CN102941000A discloses a kind of organic exhaust gas multifunctional all treating apparatus, this patent is by combining adsorption treatment method and two kinds of technology of Production by Catalytic Combustion Process, can handle organic exhaust gas continuously, but, above-mentioned Patent equipment is loaded down with trivial details, bulky, be unfavorable for the exhaust-gas treatment to the environmental accident emergency processing.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the present invention proposes a kind of removable integral type organic waste gas treatment device, this device can move according to needs such as accident emergency processing, and device volume is little, removal efficient height, more convenient to operate.
Technical solution of the present invention comprises:
A kind of removable integral type organic waste gas treatment device comprises absorbing unit, catalytic reaction unit and PLC control system, and described absorbing unit, catalytic reaction unit and the integrated design of PLC control system are on mobile roof support movably;
Described absorbing unit comprises adsorption filter, adsorbent bed, absorption blower fan, described adsorption filter entrance point links to each other with pollution sources exhaust outlet pipeline, described adsorbent bed is continuous rotating wheel formula structure, by adjustable speed electric rotating machine VFC, described adsorbent bed comprises adsorption zone, desorption district and cooling zone, and described adsorption zone, desorption district and cooling zone correspondence respectively are provided with absorption air inlet, absorption gas outlet, desorption air inlet, desorption gas outlet, cooling air inlet and cooling gas outlet; The described adsorption filter port of export links to each other with described absorption air inlet, and organic exhaust gas is connected to high altitude discharge pipeline qualified discharge by the absorption gas outlet through the absorption blower fan after adsorbent bed purifies;
Described catalytic reaction unit comprises desorption filter, desorption electric heater, desorption blower fan, the heat exchanger, spark arrester, catalysis electricity/combustion heater and the catalytic bed that are connected successively with the desorption blower fan;
Fresh wind carries out blast-cold through behind the described desorption filter to described cooling zone, add thermosetting desorption hot blast through described desorption electric heater, the district carries out desorption to described desorption, finish the regeneration of runner adsorbent bed, the desorption waste gas that forms is under the conveying of described desorption blower fan, pass through described heat exchanger, described spark arrester, described catalysis electricity/combustion heater, described catalytic bed successively, finish catalytic reaction, the middle temperature flue gas and the heat exchange under the heat exchanger effect of desorption waste gas that form, save operation energy consumption, again by high altitude discharge pipeline qualified discharge;
Between above-mentioned cooling zone and the desorption air inlet, be respectively arranged with temperature sensor TIC1, TIC2 between catalysis electricity/combustion heater and the described catalytic bed, temperature sensor connects with the PLC control system, controls desorption hot blast temperature and catalytic reaction temperature by described PLC control system;
Above-mentioned adsorption zone air inlet, adsorption zone gas outlet, cooling zone air inlet, place, gas outlet, desorption district are provided with electrically operated valve respectively, and the PLC control system is controlled the action of all electrically operated valves.
Preferably, the catalyst in the above-mentioned catalytic bed is made up of the platinum, the palladium that load on regular pottery or the aluminium oxide.
Preferably, above-mentioned adsorbent bed connects the adjustable speed electric rotating machine by belt.
The useful technique effect that the present invention brings:
The present invention proposes a kind of integral type organic waste gas treatment device, this organic waste gas treatment device is arranged on the mobile roof support, when environment burst contamination accident needs emergency processing, can be with integral type organic waste gas treatment device fast moving to the scene of the accident, realization is to the fast processing of Organic Waste Gas Pollution, can the prevent and remedy pollution further diffusion of thing, the protection environment;
Adsorbent bed of the present invention is continuous rotating wheel formula structure, be divided into adsorption zone, desorption district and cooling zone, its adsorbent is molecular sieve or absorbent charcoal material, utilize the adjustable speed electric rotating machine to drive rotation, the equal processing under the load, comparing integral type absorption concentrates-catalytic oxidation equipment, rotary-type adsorbent bed has reduced absorption casing quantity and valve use amount, the adsorbent use amount has reduced 30-50%, and equipment volume reduces more than 70%, has not only reduced adsorbent bed weight and equipment volume, and the adsorbent bed of continuous rotational structure design, make that desorption concentration is steady, have convenient the movement, pipe resistance is little, exempting from civil engineering installs, characteristics such as purification efficiency height;
Utilize the desorption electric heater that fresh wind is added thermosetting desorption hot blast, the runner adsorbent bed is carried out desorption and regeneration, after the heating of organic exhaust gas process and heat exchange behind the desorption, enter the reaction of catalytic combustion bed and generate carbon dioxide and water, the pre-thermal desorption waste gas of middle temperature flue gas utilization heat exchanger that forms is saved operation energy consumption; The present invention is incorporated into absorption, desorption and catalytic oxidation technology movably on the mobile roof support, by the PLC control program, absorption, desorption, catalytic reaction have been realized simultaneously and carry out continuously, can be used for the emergency processing of environmental pollution burst accident, or the space-constrained pollution sources are handled, device has mobility, and equipment volume is little, need not foundation of civil work installation, conveniently moving, treatment effeciency height;
Catalyst in the catalytic reaction of the present invention unit is made up of the platinum, the palladium that load on regular pottery or the aluminium oxide, catalytic oxidation efficient reaches more than 98%, the catalyst long service life, and initiation temperature is low, active window wide (220-650 ℃), volume space velocity can reach 30000h
-1, desorption is short preheating time; After reaching thermal balance, need not the heater additional heat, utilize heat exchanger that high-temperature flue gas in reacted is carried out Btu utilization;
Little, the conveniently moving of organic waste gas treatment device volume of the present invention adopts the PLC control system to realize full automation control, and unit is simple to operate, the treatment effeciency height, and the running data record is complete, safety, stable, reliable.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing and the specific embodiment:
Fig. 1 is integral type organic waste gas treatment device structural representation of the present invention;
Among the figure, 1-adsorption filter, 2-adsorbent bed, 3-adjustable speed electric rotating machine, 4-adsorbs blower fan, 5-high altitude discharge pipeline, 6-desorption filter, 7-desorption electric heater, 8-desorption blower fan, 9-heat exchanger, the 10-spark arrester, 11-catalysis electricity/combustion heater, the 12-catalytic bed, TIC1, TIC2 are the PLC temperature control point.
The specific embodiment
The present invention will be further described in detail below in conjunction with the specific embodiment.
The present invention, removable integral type organic waste gas treatment device, this organic waste gas treatment device is arranged on (not shown mobile roof support among Fig. 1) on the mobile roof support, organic waste gas treatment device can move as required, for example: when organic exhaust gas leakage accident takes place in certain chemical plant, can promote mobile roof support and move to the emergent accident scene, perhaps by organic waste gas treatment device is moved on the means of transport, move to the emergent accident scene via means of transport, this organic waste gas treatment device under the effect of mobile roof support, more convenient fast moving;
In conjunction with Fig. 1, the present invention, the integral type organic waste gas treatment device, mainly comprise absorbing unit, catalytic oxidation unit and PLC control system, wherein, absorbing unit comprises: adsorption filter 1, adsorbent bed 2 and absorption blower fan 4, filter 1 entrance point links to each other with pollution sources exhaust outlet pipeline, adsorbent bed 2 is continuous rotating wheel formula structure, preferably, this adsorbent bed 2 links to each other with adjustable speed electric rotating machine 3, utilizes adjustable speed electric rotating machine 3 to drive rotation, the equal processing under the load, integral type absorption compared to existing technology concentrates-catalytic oxidation equipment, and rotating wheel formula adsorbent bed has reduced absorption casing quantity and valve use amount continuously, and the adsorbent use amount has reduced 30-50%, equipment volume reduces more than 70%, has significantly reduced adsorbent bed weight and equipment volume;
Desorption filter 6 ports of export link to each other with cooling zone 2C air inlet, the cooling gas outlet is connected with 7 imports of desorption electric heater, the port of export of desorption electric heater 7 is connected to the entrance point of catalytic bed 12 successively by desorption district 2B, desorption blower fan 9, spark arrester 10, catalysis electricity/combustion heater 11, the port of export of catalytic bed 12 by the heat exchanger 9 on the pipeline after, be connected to high altitude discharge pipeline 5; Fresh wind carries out blast-cold through desorption filter 6 backs to cooling zone 2C, add thermosetting desorption hot blast through desorption electric heater 7, desorption district 2B is carried out desorption, finish the regeneration of runner adsorbent bed, the desorption waste gas that forms is under the conveying of desorption blower fan 8, finish catalytic reaction through heat exchanger 9, spark arrester 10, catalysis electricity/combustion heater 11 and catalytic bed 12 successively, the middle temperature flue gas and the heat exchange under the heat exchanger effect of desorption waste gas that form, save operation energy consumption, again by high altitude discharge pipeline 5 qualified discharges;
Between catalysis electricity/combustion heater 11 and the catalytic bed 12, mend between air-cooler 6 and the desorption air inlet and be respectively arranged with temperature sensor TIC1, TIC2, temperature sensor TIC1, TIC2 connect with the PLC control system, control catalytic reaction temperature and desorption hot blast temperature by the PLC control system;
Be provided with electrically operated valve respectively at absorption air inlet, absorption gas outlet, desorption air inlet, place, desorption gas outlet, the state of PLC control system control electrically operated valve;
As a preferred version of the present invention, catalyst in the catalytic bed 12 is made up of the platinum, the palladium that load on regular pottery or the aluminium oxide, this catalyst oxidation efficiency reaches more than 98%, the catalyst long service life, initiation temperature is low, active window wide (220-650 ℃), volume space velocity can reach 30000h-1, and desorption is short preheating time; After reaching thermal balance, need not the heater additional heat, utilize heat exchanger that high-temperature flue gas in reacted is carried out Btu utilization;
Specific implementation method of the present invention:
The valve open at the absorption air inlet of adsorbent bed 2, place, absorption gas outlet, absorption blower fan 4 makes the absorbing unit pipeline be in negative pressure state, organic exhaust gas is inhaled into from the entrance point of filter 1, the dust that has in the waste gas is filtered device and removes, the purpose of filter is: prevent that particle such as dust from stopping up the space of adsorbent in the adsorbent bed 2, influences adsorption effect; Then, waste gas enters from the absorption air inlet and enters into adsorbent bed 2, the adsorbent that this moment, organic substance was adsorbed among the 2A is adsorbed, and organic exhaust gas is purified under the effect of adsorbent bed 2A, and the organic exhaust gas after the purification extracts by absorption high altitude discharge pipeline 5 qualified discharges through absorption blower fan 4; In absorption, open the cooling air inlet, desorption gas outlet valve, open desorption blower fan 8, fresh wind passes through desorption filter 6 successively through cooling zone 2C, desorption electric heater 7, desorption district 2B, the desorption waste gas that forms passes through desorption blower fan 8 again, heat exchanger 9, spark arrester 10 and catalysis electricity (or combustion gas) heater 11 are connected to the import of catalytic bed 12, in catalytic bed 12, carry out catalytic oxidation, the outlet of catalytic bed 12 by the heat exchanger 9 on the pipeline after, behind the middle temperature reaction flue gas and the heat exchange of desorption waste gas that forms, by high altitude discharge pipeline 5 qualified discharges.
In sum, the removable integral type organic waste gas treatment device that the present invention proposes, this organic waste gas treatment device is arranged on the mobile roof support, be applicable to the Organic Waste Gas Pollution source that is formed by the environment burst accident, as the emergency processing mode, organic waste gas treatment device can be moved to the scene of the accident, realize the fast processing of organic exhaust gas, adsorbent bed is continuous rotating wheel formula structure, utilize the adjustable speed electric rotating machine to drive rotation, the equal processing under the load, comparing integral type absorption concentrates-catalytic oxidation equipment, rotary-type adsorbent bed has reduced absorption casing quantity and valve use amount, and the adsorbent use amount has reduced 30-50%, and equipment volume reduces more than 70%, adsorbent bed weight and equipment volume have been reduced, convenient mobile, and the adsorbent bed that adopts continuous rotational structure to design, make that desorption concentration is steady, it is little to have pipe resistance, exempting from civil engineering installs, characteristics such as purification efficiency height.
Those of ordinary skill in the art under the situation that does not break away from aim of the present invention, can also make a lot of distortion under enlightenment of the present invention, these all belong within protection scope of the present invention.
Claims (3)
1. a removable integral type organic waste gas treatment device comprises absorbing unit, catalytic reaction unit and PLC control system, it is characterized in that: described absorbing unit, catalytic reaction unit and the integrated design of PLC control system are on mobile roof support movably;
Described absorbing unit comprises adsorption filter, adsorbent bed, absorption blower fan, described adsorption filter entrance point links to each other with pollution sources exhaust outlet pipeline, described adsorbent bed is continuous rotating wheel formula structure, by adjustable speed electric rotating machine VFC, described adsorbent bed comprises adsorption zone, desorption district and cooling zone, and described adsorption zone, desorption district and cooling zone correspondence respectively are provided with absorption air inlet, absorption gas outlet, desorption air inlet, desorption gas outlet, cooling air inlet and cooling gas outlet; The described adsorption filter port of export links to each other with described absorption air inlet, and organic exhaust gas is connected to high altitude discharge pipeline qualified discharge by the absorption gas outlet through the absorption blower fan after adsorbent bed purifies;
Described catalytic reaction unit comprises desorption filter, desorption electric heater, desorption blower fan, the heat exchanger, spark arrester, catalysis electricity/combustion heater and the catalytic bed that are connected successively with the desorption blower fan;
Fresh wind carries out blast-cold through behind the described desorption filter to the cooling zone, add thermosetting desorption hot blast through described desorption electric heater, the district carries out desorption to described desorption, finish the regeneration of runner adsorbent bed, the desorption waste gas that forms is under the conveying of described desorption blower fan, pass through heat exchanger, spark arrester, catalysis electricity/combustion heater, catalytic bed successively, finish catalytic reaction and generate carbon dioxide and water, the middle temperature flue gas that forms and desorption waste gas are after heat exchange under the heat exchanger effect, by high altitude discharge pipeline qualified discharge;
Between described cooling zone and the desorption air inlet, be provided with temperature sensor between described catalysis electricity/combustion heater and the described catalytic bed, described temperature sensor connects with the PLC control system, controls desorption hot blast temperature and catalytic reaction temperature respectively by described PLC control system;
Described adsorption zone air inlet, adsorption zone gas outlet, cooling zone air inlet, place, gas outlet, desorption district are provided with electrically operated valve respectively, and described PLC control system is controlled the action of all electrically operated valves.
2. a kind of organic waste gas treatment device according to claim 1, it is characterized in that: the catalyst in the described catalytic bed is made up of the platinum, the palladium that load on regular pottery or the aluminium oxide.
3. a kind of organic waste gas treatment device according to claim 2 is characterized in that: described adsorbent bed connects the adjustable speed electric rotating machine by belt.
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| CN2013103031721A CN103331086A (en) | 2013-07-15 | 2013-07-15 | Movable integrated device for treating organic waste gas |
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| CN104274993A (en) * | 2014-09-23 | 2015-01-14 | 马军 | Device for recycling organic solvent from waste color-coated aluminum production gas |
| CN104307364A (en) * | 2014-10-16 | 2015-01-28 | 无锡雪浪环境科技股份有限公司 | Desulfurization and denitrification integrated flue gas cleaning system and method |
| CN104307306A (en) * | 2014-10-16 | 2015-01-28 | 无锡雪浪环境科技股份有限公司 | Smoke NOx enriching device |
| CN104307363A (en) * | 2014-10-16 | 2015-01-28 | 无锡雪浪环境科技股份有限公司 | Low-temperature NOx enriching and removing system and method |
| CN104307322A (en) * | 2014-10-16 | 2015-01-28 | 无锡雪浪环境科技股份有限公司 | Flue gas cleaning system for preventing NOx and dioxin from reflowing and method thereof |
| CN104971584A (en) * | 2014-04-04 | 2015-10-14 | 恩必安有限公司 | Adsorbent concentrator for odorous compounds and VOCs |
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Application publication date: 20131002 |