CN206081719U - An organic waste gas purifier - Google Patents
An organic waste gas purifier Download PDFInfo
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- CN206081719U CN206081719U CN201621137132.XU CN201621137132U CN206081719U CN 206081719 U CN206081719 U CN 206081719U CN 201621137132 U CN201621137132 U CN 201621137132U CN 206081719 U CN206081719 U CN 206081719U
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- gas
- condensing units
- membrane separation
- cleaning equipment
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Abstract
The utility model relates to an organic waste gas processing technique field specifically discloses an organic waste gas purifier. The device air inclusion entry, a condensing equipment, membrane separation device, the 2nd condensing equipment, active carbon adsorption device, storage device and gas discharging hole, gas access and a condensing equipment link to each other, a condensing equipment's low reaches be connected with membrane separation device, membrane separation device's low reaches link to each other with the 2nd condensing equipment and active carbon adsorption device respectively, a condensing equipment and the 2nd condensing equipment link to each other with storage device respectively, storage device's low reaches be connected with gas discharging hole. The device can furthest detach the harmful substance among the organic waste gas, also can realize the recovery of organic matter in the waste gas simultaneously. Did exhaust emission concentration reach " atmospheric pollutants synthesizes emission standard " (GB16297 after the device handled 1996 )The secondary standard.
Description
Technical field
The present invention relates to VOCs treatment technical field, and in particular to a kind of cleaning equipment for waste organic gas.
Background technology
Organic exhaust gas are the polluters for damaging health, and it generates O3 with the NO2 reactions in air, can form light
Chemical fumes, and being dispersed in air along with abnormal flavour, stench, the eye, nose and respiratory tract to people has stimulation, to the heart, lung,
The internal organs such as liver and nervous system produce adverse effect, and some are then the allergens for affecting some organs of human body and body, very
To causing acute and chronic poisoning, can carcinogenic, mutagenesis, while crop production reduction can be caused.Therefore, VOCs treatment is more next
More paid attention to by various countries, many developed countries have all promulgated corresponding decree to limit the discharge of organic exhaust gas, it has also become big
A focus in gas Environmental capacity.Therefore, the recovery and treatment method and equipment of organic exhaust gas are studied, has been that nowadays environmental protection is led
One important process in domain.
In China, the discharge of organic exhaust gas is one of the major reason for causing atmospheric pollution, atmosphere pollution comprehensive discharge
Standard(GB16297-1996)Defining the highest of 14 type organics allows concentration of emission, highest to allow rate of discharge and inorganization
Emission limit.It is related to numerous industries, such as petrochemical industry, solvent, coating, the production of paint and spraying paint, printing, household electrical appliances, machine
The industries such as electricity, shoemaking, food processing, wastewater treatment, the production of various chemicals, the place of every use organic solvent is all present
The characteristics of pollution problem of organic exhaust gas, these organic exhaust gas is that exhaust air rate is big, Organic substance concentration is high, and Organic substance therein is also
There is higher recycling value.If therefore can cost-effectively reclaim the Organic substance in waste gas, particularly high concentration, high price
The Organic substance of value, not only with environment, health, economic three kinds of benefits, and for the development and society that promote China's recycling economy
Meeting Significance of Sustainable Development is great.
Utility model content
Technical problem to be solved in the utility model is, in order to overcome existing cleaning equipment for waste organic gas organic in purification
Purifying rate is not high in exhaust process and can not carry out the deficiency of efficient recovery to the Organic substance in waste gas, there is provided a kind of organic waste
Air purifying apparatus.
Above-mentioned technical problem to be solved by this invention, is achieved by the following technical programs:
A kind of cleaning equipment for waste organic gas, comprising gas access, the first condensing units, membrane separation device, the second condensation dress
Put, absorbent charcoal adsorber, storage device and gas discharge outlet;
Described gas access is connected with the first condensing units;
The downstream connection of the first described condensing units has membrane separation device;
The downstream of described membrane separation device is connected respectively with the second condensing units and absorbent charcoal adsorber;
Described the first condensing units and the second condensing units are connected respectively with storage device;
The downstream connection of described storage device has gas discharge outlet.
Cleaning equipment for waste organic gas described in the utility model is first condensed the condensing units of organic exhaust gas Jing first,
First condensing units can carry out cooling recovery to the Organic substance in waste gas;First condensing units are connected with storage device, can be with
The Organic substance for condensing out is stored;The first condensing units of waste gas Jing condensation process followed by enters membrane separation device, film
Segregation apparatuss have permselective property, and through the waste gas of membrane separation device Organic substance is rich in, and have Jing after the condensation of the second condensing units
Machine thing can be stored into storage device;And not through being practically free of organic thing in the gas of membrane separation device, then Jing lives
Property charcoal adsorbent equipment carry out further adsorption treatment, Jing absorbent charcoal adsorber process after waste gas be practically free of harmful material.
Preferably, seperation film is contained in described membrane separation device;Described seperation film is painting from polydimethylsiloxane
Layer, is supporting layer from Kynoar.The seperation film constituted from both materials can increase the selection to Organic substance and ooze
Permeability, can make the Organic substance in waste gas to greatest extent through seperation film, can farthest remove the Organic substance in waste gas,
The recovery to greatest extent of Organic substance is also achieved simultaneously.
Preferably, activated carbon packed layer is contained in the absorbent charcoal adsorber, described activated carbon packed layer is by granule
Shaped activated carbon layer and fibrous activated carbon layer are constituted.
It is further preferred that described granulated activated layer of charcoal is arranged on the upstream of fibrous activated carbon layer.
It is further preferred that described granulated activated layer of charcoal is 1 with the thickness ratio of fibrous activated carbon layer:3~5.
Most preferably, described granulated activated layer of charcoal and the thickness ratio of fibrous activated carbon layer are 1:4.
It has been investigated that, the speed of granulated activated layer of charcoal adsorbed gas is subject to the diffusion-restricted of adsorbate, that is, adsorbed
There is mass transfer effect in journey, the mass-transfer zone for causing adsorbent bed presence wider, still have part to live when bed concentration is penetrated
Property charcoal reach adsorption saturation state far away, therefore, it is adsorbent bed presence one invalid layers thickness, cause bed utilization rate low.
Fibrous activated carbon layer has the characteristics of rate of adsorption is fast, bed invalid layers thickness is little;Therefore, in the downstream of seed activity layer of charcoal
Increase the fibrous activated carbon layer of one layer of aforementioned proportion, it is granulated activated with simply using under conditions of identical bed height
The bed structure of layer of charcoal is compared, and is eliminated significantly and is limited using the internal diffusion suffered by bulky grain adsorbent, significantly improves suction
Attached dose with the contacting efficiency of adsorbate, so as to reduce invalid layers thickness, extend adsorption time, improve adsorbent bed
Utilization ratio.
Preferably, it is additionally provided with vacuum extractor between described membrane separation device and the second condensing units.Setting is taken out very
Empty device is conducive to gas fast strikethrough seperation film, improves treatment effeciency.
Preferably, microwave generating apparatus and ultraviolet ray generating apparatus are additionally provided with described absorbent charcoal adsorber.
Described microwave generating apparatus can be used to heat, and the harmful substance for contributing to the absorption of activated carbon packed layer is parsed, and is parsed
The ultraviolet photodissociation that material can be produced with Jing ultraviolet ray generating apparatus is gone back in having out.By arranging microwave generating apparatus and purple
Outside line generating meanss can be parsed and photodissociation in the cleaning equipment for waste organic gas course of work, realize organic waste-gas purification
The continuous work of device.
Preferably, exhaust gas concentration monitoring device and control device are provided with the gas discharge outlet.By in gas row
Put and arrange on mouth exhaust gas concentration monitoring device and control device, it is possible to achieve on line real-time monitoring.
Preferably, the gas access, the first condensing units, membrane separation device, the second condensing units, activated carbon adsorption dress
Put, storage device and gas discharge outlet connect especially by pipeline.
Above-mentioned first condensing units can be with specifically chosen condenser;Membrane separation device can be with specifically chosen membrane separation plant;
Second condensing units can be with specifically chosen condenser;Storage device can be with specifically chosen storage tank;Vacuum extractor can be concrete
Select vacuum pump;Microwave generating apparatus can be with specifically chosen microwave generator;Ultraviolet ray generating apparatus can be with specifically chosen ultraviolet
Line generator.
Beneficial effect:The invention provides a kind of brand-new cleaning equipment for waste organic gas, it is cold that the device passes through setting first
Solidifying device, membrane separation device, the second condensing units, absorbent charcoal adsorber, storage device so that gas by condensation process,
Membrane separation, activated carbon adsorption can to greatest extent remove the harmful substance in organic exhaust gas after processing;Additionally, by setting
Put storage device to reclaim the Organic substance in waste gas.Filled by arranging microwave on absorbent charcoal adsorber
Put and ultraviolet ray generating apparatus can be parsed and photodissociation in the cleaning equipment for waste organic gas course of work, realize organic
The continuous work of waste gas purification apparatus.By, exhaust gas concentration monitoring device and control device are set on gas discharge outlet, can be with
Realize on line real-time monitoring.
Description of the drawings
Fig. 1 is the schematic diagram of the cleaning equipment for waste organic gas described in embodiment 1.
Fig. 2 is the schematic diagram of the cleaning equipment for waste organic gas described in embodiment 2.
Fig. 3 is the schematic diagram of the cleaning equipment for waste organic gas described in embodiment 3.
Illustrating in Fig. 1 ~ 3:1 is gas access;2 is the first condensing units;3 is membrane separation device;4 is second cold
Solidifying device;5 is absorbent charcoal adsorber;6 is storage device;7 is gas discharge outlet;8 is vacuum extractor;9 are microwave generation
Device;10 is ultraviolet ray generating apparatus;11 is exhaust gas concentration monitoring device;12 is control device.
Specific embodiment
The present invention is explained further below in conjunction with specific embodiment, but embodiment does not do any type of limit to the present invention
It is fixed.
A kind of cleaning equipment for waste organic gas of embodiment 1
A kind of cleaning equipment for waste organic gas as shown in Figure 1, comprising gas access 1, the first condensing units 2, membrane separation device
3rd, the second condensing units 4, absorbent charcoal adsorber 5, storage device 6 and gas discharge outlet 7;Described gas access 1 and first
Condensing units 2 are connected;The downstream connection of the first described condensing units 2 has membrane separation device 3;Described membrane separation device 3
Downstream is connected respectively with the second condensing units 4 and absorbent charcoal adsorber 5;The first described condensing units 2 and second are condensed
Device 4 is connected respectively with storage device 6;The downstream connection of described absorbent charcoal adsorber 5 has gas discharge outlet 7.
The gas access 1, the first condensing units 2, membrane separation device 3, the second condensing units 4, absorbent charcoal adsorber
5th, the annexation between storage device 6 and gas discharge outlet 7 is connected by pipeline.
Cleaning equipment for waste organic gas described in the present embodiment is first condensed the condensing units of organic exhaust gas Jing first, the
One condensing units can carry out cooling recovery to the Organic substance in waste gas;First condensing units are connected with storage device, can be by
The Organic substance for condensing out is stored;The first condensing units of waste gas Jing condensation process followed by enters membrane separation device, film point
There is permselective property from device, through the waste gas of membrane separation device Organic substance is rich in, it is organic Jing after the condensation of the second condensing units
Thing can be stored into storage device;And not through being practically free of organic thing in the gas of membrane separation device, then Jing active
Charcoal adsorbent equipment carries out further adsorption treatment, and the waste gas Jing after absorbent charcoal adsorber process is practically free of harmful material.
The Jing cleaning equipment for waste organic gas is processed, and waste gas discharge concentration reaches《Discharge standard of air pollutants》
(GB16297-1996)Secondary standard.In the organic exhaust gas of 80 Nm3/h, the organic efficiency of organic exhaust gas is more than 99%,
Adsorbing material service life more than 1 year, benzene concentration of emission≤12mg/ m3, organic solvent >=99% of recovery, and the company of being capable of achieving
Continuous work.
A kind of cleaning equipment for waste organic gas of embodiment 2
A kind of cleaning equipment for waste organic gas as shown in Figure 2, comprising gas access 1, the first condensing units 2, membrane separation device
3rd, the second condensing units 4, absorbent charcoal adsorber 5, storage device 6 and gas discharge outlet 7;Described gas access 1 and first
Condensing units 2 are connected;The downstream connection of the first described condensing units 2 has membrane separation device 3;Described membrane separation device 3
Downstream is connected respectively with the second condensing units 4 and absorbent charcoal adsorber 5;The first described condensing units 2 and second are condensed
Device 4 is connected respectively with storage device 6;The downstream connection of described absorbent charcoal adsorber 5 has gas discharge outlet 7.
The gas access 1, the first condensing units 2, membrane separation device 3, the second condensing units 4, absorbent charcoal adsorber
5th, the annexation between storage device 6 and gas discharge outlet 7 is connected by pipeline.
Seperation film 31 in described membrane separation device 3 is coating from polydimethylsiloxane, is from Kynoar
Supporting layer.The differential permeability to Organic substance can be increased from the seperation film of both material compositions, having in waste gas can be made
Machine thing passes through to greatest extent seperation film, the Organic substance in waste gas can be farthest removed, while also achieving Organic substance
Recovery to greatest extent.
Activated carbon packed layer in the absorbent charcoal adsorber 5 is by the granulated activated layer of charcoal 51 arranged along airflow direction
Constitute with fibrous activated carbon layer 52;Described granulated activated layer of charcoal 51 is 1 with the thickness ratio of fibrous activated carbon layer 52:4.
By the fibrous activated carbon layer for increasing by one layer of aforementioned proportion in the downstream of seed activity layer of charcoal, in the condition of identical bed height
Under, compared with the bed structure of granulated activated layer of charcoal is simply used, eliminate significantly using suffered by bulky grain adsorbent
Internal diffusion is limited, and significantly improves the contacting efficiency of adsorbent and adsorbate, so as to reduce invalid layers thickness, extends absorption
Time, improve adsorbent bed utilization ratio.
Cleaning equipment for waste organic gas described in the present embodiment is first condensed the condensing units of organic exhaust gas Jing first, the
One condensing units can carry out cooling recovery to the Organic substance in waste gas;First condensing units are connected with storage device, can be by
The Organic substance for condensing out is stored;The first condensing units of waste gas Jing condensation process followed by enters membrane separation device, film point
There is permselective property from device, through the waste gas of membrane separation device Organic substance is rich in, it is organic Jing after the condensation of the second condensing units
Thing can be stored into storage device;And not through being practically free of organic thing in the gas of membrane separation device, then Jing active
Charcoal adsorbent equipment carries out further adsorption treatment, and the waste gas Jing after absorbent charcoal adsorber process is practically free of harmful material.
The Jing cleaning equipment for waste organic gas is processed, and waste gas discharge concentration reaches《Discharge standard of air pollutants》
(GB16297-1996)Secondary standard.In the organic exhaust gas of 80 Nm3/h, the organic efficiency of organic exhaust gas is more than 99%,
Adsorbing material service life more than 1 year, benzene concentration of emission≤12mg/ m3, organic solvent >=99% of recovery, and the company of being capable of achieving
Continuous work.
A kind of cleaning equipment for waste organic gas of embodiment 3
A kind of cleaning equipment for waste organic gas as shown in Figure 3, comprising gas access 1, the first condensing units 2, membrane separation device
3rd, the second condensing units 4, absorbent charcoal adsorber 5, storage device 6 and gas discharge outlet 7;Described gas access 1 and first
Condensing units 2 are connected;The downstream connection of the first described condensing units 2 has membrane separation device 3;Described membrane separation device 3
Downstream is connected respectively with the second condensing units 4 and absorbent charcoal adsorber 5;The first described condensing units 2 and second are condensed
Device 4 is connected respectively with storage device 6;The downstream connection of described absorbent charcoal adsorber 5 has gas discharge outlet 7.
The gas access 1, the first condensing units 2, membrane separation device 3, the second condensing units 4, absorbent charcoal adsorber
5th, the annexation between storage device 6 and gas discharge outlet 7 is connected by pipeline.
Seperation film in described membrane separation device 3 is coating from polydimethylsiloxane, is to prop up from Kynoar
Support layer.The differential permeability to Organic substance can be increased from the seperation film of both material compositions, can be made organic in waste gas
Thing passes through to greatest extent seperation film, the Organic substance in waste gas can be farthest removed, while also achieving Organic substance
Reclaim to greatest extent.
Activated carbon packed layer in the absorbent charcoal adsorber 5 is by the granulated activated layer of charcoal 51 arranged along airflow direction
Constitute with fibrous activated carbon layer 52;Described granulated activated layer of charcoal 51 is 1 with the thickness ratio of fibrous activated carbon layer 52:4.
By the fibrous activated carbon layer for increasing by one layer of aforementioned proportion in the downstream of seed activity layer of charcoal, in the condition of identical bed height
Under, compared with the bed structure of granulated activated layer of charcoal is simply used, eliminate significantly using suffered by bulky grain adsorbent
Internal diffusion is limited, and significantly improves the contacting efficiency of adsorbent and adsorbate, so as to reduce invalid layers thickness, extends absorption
Time, improve adsorbent bed utilization ratio.
Vacuum extractor 8 is additionally provided between the described condensing units 4 of membrane separation device 3 and second.
Microwave generating apparatus 9 and ultraviolet ray generating apparatus 10 are additionally provided with described absorbent charcoal adsorber 5.
Exhaust gas concentration monitoring device 11 and control device 12 are provided with the gas discharge outlet 7.
Cleaning equipment for waste organic gas described in the present embodiment is first condensed the condensing units of organic exhaust gas Jing first, the
One condensing units can carry out cooling recovery to the Organic substance in waste gas;First condensing units are connected with storage device, can be by
The Organic substance for condensing out is stored;The first condensing units of waste gas Jing condensation process followed by enters membrane separation device, film point
There is permselective property from device, through the waste gas of membrane separation device Organic substance is rich in, it is organic Jing after the condensation of the second condensing units
Thing can be stored into storage device;And not through being practically free of organic thing in the gas of membrane separation device, then Jing active
Charcoal adsorbent equipment carries out further adsorption treatment, and the waste gas Jing after absorbent charcoal adsorber process is practically free of harmful material.It is logical
Cross microwave generating apparatus and ultraviolet ray generating apparatus are set on absorbent charcoal adsorber can be in cleaning equipment for waste organic gas
Parsed in the course of work and photodissociation, realized the continuous work of cleaning equipment for waste organic gas.By on gas discharge outlet
Exhaust gas concentration monitoring device and control device are set, it is possible to achieve on line real-time monitoring.
The Jing cleaning equipment for waste organic gas is processed, and waste gas discharge concentration reaches《Discharge standard of air pollutants》
(GB16297-1996)Secondary standard.In the organic exhaust gas of 80 Nm3/h, the organic efficiency of organic exhaust gas is more than 99%,
Adsorbing material service life more than 1 year, benzene concentration of emission≤12mg/ m3, organic solvent >=99% of recovery, and the company of being capable of achieving
Continuous work.
Claims (10)
1. a kind of cleaning equipment for waste organic gas, it is characterised in that comprising gas access, the first condensing units, membrane separation device,
Two condensing units, absorbent charcoal adsorber, storage device and gas discharge outlet;
Described gas access is connected with the first condensing units;
The downstream connection of the first described condensing units has membrane separation device;
The downstream of described membrane separation device is connected respectively with the second condensing units and absorbent charcoal adsorber;
Described the first condensing units and the second condensing units are connected respectively with storage device;
The downstream connection of described storage device has gas discharge outlet.
2. cleaning equipment for waste organic gas according to claim 1, it is characterised in that in described membrane separation device containing point
From film;Described seperation film is coating from polydimethylsiloxane, is supporting layer from Kynoar.
3. cleaning equipment for waste organic gas according to claim 1, it is characterised in that contain in the absorbent charcoal adsorber
Activated carbon packed layer, described activated carbon packed layer is made up of granulated activated layer of charcoal and fibrous activated carbon layer.
4. cleaning equipment for waste organic gas according to claim 3, it is characterised in that described granulated activated layer of charcoal is arranged
In the upstream of fibrous activated carbon layer.
5. cleaning equipment for waste organic gas according to claim 3, it is characterised in that described granulated activated layer of charcoal with it is fine
The thickness ratio of dimension shaped activated carbon layer is 1:3~5.
6. cleaning equipment for waste organic gas according to claim 5, it is characterised in that described granulated activated layer of charcoal with it is fine
The thickness ratio of dimension shaped activated carbon layer is 1:4.
7. cleaning equipment for waste organic gas according to claim 1, it is characterised in that described membrane separation device is cold with second
Vacuum extractor is additionally provided between solidifying device.
8. cleaning equipment for waste organic gas according to claim 1, it is characterised in that on described absorbent charcoal adsorber also
It is provided with microwave generating apparatus and ultraviolet ray generating apparatus.
9. cleaning equipment for waste organic gas according to claim 1, it is characterised in that be provided with the gas discharge outlet useless
Gas concentration monitor and control device.
10. cleaning equipment for waste organic gas according to claim 1, it is characterised in that the gas access, the first condensation dress
Put, membrane separation device, the second condensing units, absorbent charcoal adsorber, storage device and gas discharge outlet are connected by pipeline.
Priority Applications (1)
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CN201621137132.XU CN206081719U (en) | 2016-10-19 | 2016-10-19 | An organic waste gas purifier |
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CN201621137132.XU CN206081719U (en) | 2016-10-19 | 2016-10-19 | An organic waste gas purifier |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109200735A (en) * | 2017-06-30 | 2019-01-15 | 中国石油化工股份有限公司 | A kind of processing method of hydrogen peroxide oxidation tail gas |
CN109381982A (en) * | 2018-10-12 | 2019-02-26 | 南京碧盾环保科技股份有限公司 | A kind of heavy oil and pitch waste gas recovery processing unit |
CN111871155A (en) * | 2020-07-20 | 2020-11-03 | 常州大学 | Metal-based ionic liquid supported liquid membrane-photocatalytic composite oil gas waste gas treatment device |
CN112657321A (en) * | 2020-11-19 | 2021-04-16 | 江苏国态环保集团有限公司 | VOCs exhaust treatment device |
-
2016
- 2016-10-19 CN CN201621137132.XU patent/CN206081719U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109200735A (en) * | 2017-06-30 | 2019-01-15 | 中国石油化工股份有限公司 | A kind of processing method of hydrogen peroxide oxidation tail gas |
CN109200735B (en) * | 2017-06-30 | 2021-06-04 | 中国石油化工股份有限公司 | Method for treating hydrogen peroxide oxidized tail gas |
CN109381982A (en) * | 2018-10-12 | 2019-02-26 | 南京碧盾环保科技股份有限公司 | A kind of heavy oil and pitch waste gas recovery processing unit |
CN111871155A (en) * | 2020-07-20 | 2020-11-03 | 常州大学 | Metal-based ionic liquid supported liquid membrane-photocatalytic composite oil gas waste gas treatment device |
CN112657321A (en) * | 2020-11-19 | 2021-04-16 | 江苏国态环保集团有限公司 | VOCs exhaust treatment device |
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