CN2905193Y - An organic waste gas purifier - Google Patents
An organic waste gas purifier Download PDFInfo
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- CN2905193Y CN2905193Y CN 200620113898 CN200620113898U CN2905193Y CN 2905193 Y CN2905193 Y CN 2905193Y CN 200620113898 CN200620113898 CN 200620113898 CN 200620113898 U CN200620113898 U CN 200620113898U CN 2905193 Y CN2905193 Y CN 2905193Y
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Abstract
The utility model relates to an organic waste gas purifying device and is characterized in that: a filtering fire arrestor connects a gas flow distribution device; a set of inlets absorption purifying room links the gas flow distribution device in parallel separately through pipeline and valve; an air receiver links purified gas outlet for each absorption purifying room in parallel through pipeline and valve; an exhaust blower connects air receiver through pipeline; a heat exchanger links desulfurization waste gas outlet for each absorption purifying room in parallel through pipeline and valve; a pre-heating room connects another end of heat exchanging pipe for the heat exchanger; an inlet of the catalyzing room connects the pre-heating room and an outlet connects the heat exchanger; a hot machine connects the outlet of the heat exchanger at one end and connects hot steam inlet of each absorption purifying room in parallel through a set of pipelines and valves. The utility model makes absorption operation at one part of the absorption purifying room and makes desorption operation at the other part of the absorption purifying room, therefore the whole set of equipment starts at the same time and runs continuously, which is especially suitable for conditions with large air volume and low concentration.
Description
Technical field
The utility model relates to a kind of waste gas purification apparatus, particularly about a kind of cleaning equipment for waste organic gas.
Background technology
Along with the extensive use of nonmetallic materials in industries such as telecommunication, electronics, machinery, chemical industry, the organic exhaust gas of Chan Shenging more and more causes people's attention in process of production, the organic exhaust gas that particularly spraying, Chemical Manufacture, oil, medicine etc. produce, concentration not too high (the general employing burning mode that concentration is high is handled) is handled very trouble.The general mode that concentrates that adopts is handled in the prior art, promptly reaches certain saturation degree through adsorbents adsorb, comes out with the hot-air desorption then, sends into catalyst chamber again and carries out catalytic reaction, becomes carbon dioxide and water.In above-mentioned processing method, general equipment all is that absorption and desorption interruption are carried out, can not desorption during absorption, can not adsorb during desorption.Also having a kind of equipment is to be designed to the orange flap, is dynamically rotating down, realizes that absorption, desorption carry out continuously, and this equipment dynamic seal (packing) requires high especially, and price is also quite expensive, is not suitable for China's national situation.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of cleaning equipment for waste organic gas that can adsorb with desorption conversion under static state, and it is simple in structure, and cost is low, and absorption, desorption, three kinds of technologies of catalytic combustion are carried out simultaneously continuously.
For achieving the above object, the utility model is taked following technical scheme: a kind of cleaning equipment for waste organic gas is characterized in that it comprises: one filters spark arrester; One air distributor, it is connected with described filtration spark arrester by pipeline; One group of adsorption cleaning chamber, the air inlet of each described adsorption cleaning chamber are respectively by pipeline and the valve described air distributor that is connected in parallel; One gas collector, its import is by the be connected in parallel clean gas outlet of each described adsorption cleaning chamber of pipeline and valve; One exhaust blower, it connects described gas collector outlet by pipeline, and the outlet of described exhaust blower is communicated with atmosphere; One heat exchanger, the heat exchanger tube in it is by the be connected in parallel desorption waste gas outlet of each described adsorption cleaning chamber of pipeline and valve; One preheating chamber, it connects the heat exchanger tube other end in the described heat exchanger by pipeline; One catalyst chamber, its import connects described preheating chamber by pipeline, and outlet connects described heat exchanger import; One air-heater, the one end connects described heat exchanger exit, and the other end is by the be connected in parallel vapours import of each described adsorption cleaning chamber of one group of pipeline and valve.
The indoor tubbiness absorbing unit that is provided with of each described adsorption cleaning.
The adsorbent that described absorbing unit is selected for use is a NACF, Immesion active carbon, activated alumina, dipping activated alumina, silica gel, molecular sieve, mud coal, brown coal, weathered coal, dipping mud coal, brown coal, weathered coal, the coke powder, dolomite dust, a kind of in the wormcast.The adsorbent that described absorbing unit is selected for use is a NACF, Immesion active carbon, activated alumina, dipping activated alumina, silica gel, molecular sieve, mud coal, brown coal, weathered coal, dipping mud coal, brown coal, weathered coal, the coke powder, dolomite dust, a kind of in the wormcast.
Each described adsorption cleaning chamber comprises a cylinder, one connecting rod by described cylinder drive, described connecting rod connects each valve that is arranged on described adsorption cleaning chamber air inlet, clean gas outlet, desorption waste gas outlet and vapours import department respectively, described air inlet and clean gas outlet valve are often opened, described desorption waste gas outlet and vapours import are normally closed, and interlocking between described two groups of valves.
Be provided with several layers composite metal oxide catalysts in the described catalyst chamber.
Described adsorption cleaning chamber is 6~10.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is owing to be provided with a plurality of adsorption cleanings chamber, and on each adsorption cleaning chamber, be provided with two the cover interlockings switch valve, therefore can under static state, adsorb the conversion with desorption manipulation rapidly, adsorb continuously incessantly and the desorption manipulation process.2, therefore the utility model does not need complicated movable sealing structure because in static device, the mode of employing controlled valve is adsorbed the conversion with desorption, and entire equipment is simple in structure, and cost of manufacture is significantly less than like product of the prior art.3, the utility model is in the circulation desorption process, and the heat that comes out from catalyst chamber can add the desorption waste gas the heat exchanger tube through heat exchanger the time, the gas that enters preheating chamber is heated, and makes full use of heat, and reduces the gas heat that enters the clean room; The vapours that enters the clean room simultaneously provides energy for organic desorption again, particularly the utility model is after system works well, just need not preheating chamber heat supply again, and be the heating of desorption waste gas to have improved energy utilization rate effectively by heat exchanger by the heat that catalytic decomposition provides.4, the utility model selects for use the ternary composite metal oxide of function admirable of multilayer the applicant utility model as catalyst in catalyst chamber, the waste gas of hydrocarbon-containifirst material is by catalyst layer the time, hydrocarbon molecules and oxygen molecule are attracted to catalyst surface respectively and are activated, thereby can resolve into carbon dioxide and water vapour by rapid at a lower temperature complete oxidation.5, the utility model can be widely used in the nearly all hydrocarbon-containifirst organic exhaust gas and the improvement of foul gas, can be used for numerous organic chemical industries, makes lacquer, in the processing of the various organic exhaust gas of industry dischargings such as application, printing, tin graphed sheet, household electrical appliance, insulating materials, fried food.
Description of drawings
Fig. 1 is the utility model structural representation
Adsorption cleaning cell structure schematic diagram when Fig. 2 is the utility model absorption
Adsorption cleaning cell structure schematic diagram when Fig. 3 is the utility model desorption
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As shown in Figure 1, the utility model comprises that one filters spark arrester 1, it is connected with the source of the gas collecting pipe of organic exhaust gas, connects an air distributor 2 in the outlet of filtering spark arrester 1, and air distributor 2 is connected with one group of adsorption cleaning chamber 4 air inlet that are arranged in parallel with valve 3 by one group of pipeline.The import of one gas collector 5 is connected with each adsorption cleaning chamber 4 clean gas outlet with valve 6 by one group of pipeline, and the outlet of gas collector 5 is connected with exhaust blower 7, and the outlet of exhaust blower 7 is communicated with atmosphere.Heat exchanger tube 9 in one heat exchanger 8 is connected with the desorption waste gas outlet of each adsorption cleaning chamber 4 with valve 10 by one group of pipeline, the other end of heat exchanger tube 9 connects a preheating chamber 11 by pipeline, the outlet of preheating chamber 11 connects catalyst chamber 12 by pipeline, the outlet of catalyst chamber 12 connects heat exchanger 8 imports by pipeline, heat exchanger 8 outlets connect an air-heater 13, and air-heater 13 is connected the vapours import of each adsorption cleaning chamber 4 with valve 14 by one group of pipeline.
In the foregoing description, adsorption cleaning chamber 4 is eight, can require to be provided with the adsorption cleaning chamber 4 of varying number during actual the use according to difference.As shown in Figure 1 and Figure 2, one tubbiness absorbing unit 41 is set in each adsorption cleaning chamber 4, absorbing unit 41 openings upwards, the 4 air inlet valves 3 over against the adsorption cleaning chamber, waste gas is after absorbing unit 41 absorption, enter gas collector 5 from the clean gas outlet valve 6 of adsorption cleaning device 4 bottoms, arrange to atmosphere by exhaust blower 7.
In the foregoing description, the opening and closing of each valve 3,6,10,14 of each adsorption cleaning chamber 4 can be adopted by manual control, also can take automatic control, control a cylinder 15 such as using relay equal time control device, cylinder 15 drives a linkage 16, and linkage 16 drives each valve 3,6,10,14, wherein valve 3,6 and valve 10,14 interlockings, that is the valve 3,6 that is arranged on the linkage 16 opens under adsorbed state, and valve 10,14 is closed; Under detachment status, valve 10,14 is opened, and valve 3,6 is closed.
In the foregoing description, filtering spark arrester 1 and air distributor 2 is the various structures of prior art, and heat exchanger 8 also can adopt various structure of the prior art; Preheating chamber 11 adopts Electric heating, be provided with several layers of catalyst in the catalyst chamber 12, (number of patent application is the ternary composite metal oxide catalyst that catalyst can adopt the applicant to make: 200410056853.3), it has the specific area height, pressure is low, mechanical strength is tall and big, wear-resisting, advantages such as heat shock resistance, the waste gas of hydrocarbon-containifirst material is by catalyst layer the time, hydrocarbon molecules and oxygen molecule are attracted to catalyst surface respectively and are activated, thereby can resolve into carbon dioxide and water vapour by rapid at a lower temperature complete oxidation.The utility model also can adopt other catalyst.The transmission device of each valve 3,6,10,14 of switch except that the linkage 16 that adopts cylinder 15 to drive, also can adopt other version.
The utility model is according to the difference of absorption object, available adsorbent has active carbon, NACF, Immesion active carbon, activated alumina, dipping activated alumina, silica gel, molecular sieve, mud coal, brown coal, weathered coal, dipping mud coal, dipping brown coal, dipping weathered coal, coke powder, dolomite dust, wormcast etc., what the foregoing description was handled is benzene class organic exhaust gas, can select for use NACF as adsorbent, to reduce SR, increase adsorption capacity.
Of the present utility model a whole casing (not shown) can be set, be separately positioned on each equipment in the casing or on the casing.One electrical equipment control chamber can be set on casing; at conventional control appliances such as the indoor PLC that automatic control system is set of electrical equipment control, relay, timer, indicator lamp, frequency converter, buzzer, switches; because electrical apparatus control system adopts routine techniques just can realize; the content that non-this patent needs protection is so repeat no more.
When the utility model carried out adsorption operations, valve 3,6 was in open mode (as shown in Figure 2), and valve 10,14 is closed.Organic exhaust gas is through filtering spark arrester 1 and air distributor 2, enter each adsorption cleaning chamber 4 by valve 3, organic matter in the waste gas is adsorbed unit 41 absorption by absorbing unit 41 time, purified gas enters gas collector 5 by valve 6, and arranges to atmosphere by exhaust blower 7.
When the utility model carries out desorption manipulation (as shown in Figure 3), at first by manually or by electrical apparatus control system control cylinder 15 starting, the piston of cylinder 15 drives valve 3,6 by connecting rod 16 and closes, and valve 10,14 is opened.Desorption waste gas in the adsorption cleaning chamber 4 is under the effect of air-heater 13, enter catalyst chamber 12 from heat exchanger tube 9, the preheating chamber 11 of valve 10 in heat exchanger 8, organic gas is decomposed in catalyst chamber 12, carbon dioxide of discharging in the catalyst chamber 13 and vapours are after heat exchanger 8 heat exchange, enter adsorption cleaning chamber 4 through air-heater 13, valve 14, absorbing unit 41 is continued circulation carry out desorption manipulation.
The utility model is to carry out above-mentioned two kinds of operations (as shown in Figure 1) simultaneously in actual use, and exhaust blower 7 and air-heater 13 are in opening all the time, and the valve 3,6 of seven adsorption cleaning chambers 4 is opened, and carries out adsorption operations; The valve 10,14 of an adsorption cleaning chamber 4 is opened, and carries out desorption manipulation.The Purge gas of coming out from seven adsorption cleaning chambers 4 is arranged to atmosphere by collection chamber 5 and exhaust blower 7; The desorption waste gas that comes out from an adsorption cleaning chamber 4 enters preheating chamber 11 through the heat exchanger tube 9 of heat exchanger 8, is admitted to catalyst chamber 12 after preheating; Be concentrated at first on the absorbing unit 41 adsorbate also not desorption come out, the thermal current that comes out from catalyst chamber 12 is after heat exchanger 8 heat exchange, get back to adsorption cleaning chamber 4 through valve 14 again, organic matter desorption from the absorbing unit 41 that help is concentrated on the absorbing unit 41 comes out, the organic exhaust gas that desorption comes out enters preheating chamber 11 from valve 10 through heat exchanger tube 9 heat exchange of heat exchanger 8, be heated to and enter catalyst chamber 12 about 300 ℃, carry out innocuous gas and the release heat that oxidation Decomposition is carbon dioxide and water vapour in catalyst chamber 12, gas temperature after the decomposition reaction can reach 350~450 ℃, then through dropping to about 200 ℃ after heat exchanger 8 heat exchange, again get back to adsorption cleaning chamber 4 through valve 14 and proceed the desorption that circulates, preheating chamber 11 can stop heating after system works well, circulate in system by the heat that brings behind the catalytic combustion, finish the process of desorption and regeneration adsorbent.
When desorption is finished in the adsorption cleaning chamber 4 of carrying out desorption manipulation, after desorption unit 41 obtains regeneration, the cylinder 15 of controlling an other adsorption cleaning chamber 4 by time relay equal controller carries out the valve conversion and enters detachment status, and the adsorption cleaning chamber 4 of this detachment status is converted to adsorbed state.The rest may be inferred, makes eight adsorption cleaning chambers 4 always have one to carry out desorption manipulation, and all the other seven are carried out adsorption operations, and then continuous operation is not shut down in the waste heat circulation after making the interior absorption of whole system, desorption circulation, catalytic reaction.
Claims (9)
1, a kind of cleaning equipment for waste organic gas is characterized in that it comprises:
One filters spark arrester;
One air distributor, it is connected with described filtration spark arrester by pipeline;
One group of adsorption cleaning chamber, the air inlet of each described adsorption cleaning chamber are respectively by pipeline and the valve described air distributor that is connected in parallel;
One gas collector, its import is by the be connected in parallel clean gas outlet of each described adsorption cleaning chamber of pipeline and valve;
One exhaust blower, it connects described gas collector outlet by pipeline, and the outlet of described exhaust blower is communicated with atmosphere;
One heat exchanger, the heat exchanger tube in it is by the be connected in parallel desorption waste gas outlet of each described adsorption cleaning chamber of pipeline and valve;
One preheating chamber, it connects the heat exchanger tube other end in the described heat exchanger by pipeline;
One catalyst chamber, its import connects described preheating chamber by pipeline, and outlet connects described heat exchanger import;
One air-heater, the one end connects described heat exchanger exit, and the other end is by the be connected in parallel vapours import of each described adsorption cleaning chamber of one group of pipeline and valve.
2, a kind of cleaning equipment for waste organic gas as claimed in claim 1 is characterized in that: the indoor tubbiness absorbing unit that is provided with of each described adsorption cleaning.
3, a kind of cleaning equipment for waste organic gas as claimed in claim 2, it is characterized in that: the adsorbent that described absorbing unit is selected for use is a NACF, Immesion active carbon, activated alumina, dipping activated alumina, silica gel, molecular sieve, mud coal, brown coal, weathered coal, dipping mud coal, brown coal, weathered coal, coke powder, dolomite dust, a kind of in the wormcast.The adsorbent that described absorbing unit is selected for use is a NACF, Immesion active carbon, activated alumina, dipping activated alumina, silica gel, molecular sieve, mud coal, brown coal, weathered coal, dipping mud coal, brown coal, weathered coal, the coke powder, dolomite dust, a kind of in the wormcast.
4, as claim 1 or 2 or 3 described a kind of cleaning equipment for waste organic gas, it is characterized in that: each described adsorption cleaning chamber comprises a cylinder, one connecting rod by described cylinder drive, described connecting rod connects each valve that is arranged on described adsorption cleaning chamber air inlet, clean gas outlet, desorption waste gas outlet and vapours import department respectively, described air inlet and clean gas outlet valve are often opened, described desorption waste gas outlet and vapours import are normally closed, and interlocking between described two groups of valves.
5, as claim 1 or 2 or 3 described a kind of cleaning equipment for waste organic gas, it is characterized in that: be provided with several layers composite metal oxide catalysts in the described catalyst chamber.
6, a kind of cleaning equipment for waste organic gas as claimed in claim 4 is characterized in that: be provided with several layers composite metal oxide catalysts in the described catalyst chamber.
7, as claim 1 or 2 or 3 or 6 described a kind of cleaning equipment for waste organic gas, it is characterized in that: described adsorption cleaning chamber is 6~10.
8, as a kind of cleaning equipment for waste organic gas as described in the claim 4, it is characterized in that: described adsorption cleaning chamber is 6~10.
9, as a kind of cleaning equipment for waste organic gas as described in the claim 5, it is characterized in that: described adsorption cleaning chamber is 6~10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200620113898 CN2905193Y (en) | 2006-05-24 | 2006-05-24 | An organic waste gas purifier |
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CN 200620113898 CN2905193Y (en) | 2006-05-24 | 2006-05-24 | An organic waste gas purifier |
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CN2905193Y true CN2905193Y (en) | 2007-05-30 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016054790A1 (en) * | 2014-10-09 | 2016-04-14 | Basf Se | Heat exchange process for adsorber regeneration |
CN107970740A (en) * | 2016-10-21 | 2018-05-01 | 无锡云瑞环保设备有限公司 | Zeolite molecular sieve adsorbent equipment |
CN108704442A (en) * | 2018-07-05 | 2018-10-26 | 江苏中科睿赛污染控制工程有限公司 | A kind of purifier and its purification method |
CN112827315A (en) * | 2020-12-24 | 2021-05-25 | 安徽同益净化科技有限公司 | VOCs exhaust-gas treatment equipment |
-
2006
- 2006-05-24 CN CN 200620113898 patent/CN2905193Y/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016054790A1 (en) * | 2014-10-09 | 2016-04-14 | Basf Se | Heat exchange process for adsorber regeneration |
CN106794445A (en) * | 2014-10-09 | 2017-05-31 | 巴斯夫欧洲公司 | For the heat change method of regenerative adsorption device |
US9943828B2 (en) | 2014-10-09 | 2018-04-17 | Basf Se | Heat exchange process for adsorber regeneration |
CN106794445B (en) * | 2014-10-09 | 2020-07-31 | 巴斯夫欧洲公司 | Heat exchange method for regenerating adsorbers |
EA036481B1 (en) * | 2014-10-09 | 2020-11-16 | Басф Се | Process for adsorber regeneration |
CN107970740A (en) * | 2016-10-21 | 2018-05-01 | 无锡云瑞环保设备有限公司 | Zeolite molecular sieve adsorbent equipment |
CN108704442A (en) * | 2018-07-05 | 2018-10-26 | 江苏中科睿赛污染控制工程有限公司 | A kind of purifier and its purification method |
CN112827315A (en) * | 2020-12-24 | 2021-05-25 | 安徽同益净化科技有限公司 | VOCs exhaust-gas treatment equipment |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070530 Termination date: 20100524 |