CN203342624U - Organic waste gas recovery system - Google Patents
Organic waste gas recovery system Download PDFInfo
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- CN203342624U CN203342624U CN2013204423434U CN201320442343U CN203342624U CN 203342624 U CN203342624 U CN 203342624U CN 2013204423434 U CN2013204423434 U CN 2013204423434U CN 201320442343 U CN201320442343 U CN 201320442343U CN 203342624 U CN203342624 U CN 203342624U
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- waste gas
- cyclone separator
- organic waste
- filter
- paper filter
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Abstract
The utility model discloses an organic waste gas recovery system. The organic waste gas recovery system comprises a cyclone separator, a draught fan, an adsorption tank, a gas-liquid separator and a solvent recoverer which are sequentially connected to one another. The organic waste gas recovery system also comprises a photosensitive sensor and a paper filter which are arranged before the cyclone separator; the photosensitive sensor is connected to the paper filter which is connected to the cyclone separator; a separation tank is arranged between the draught fan and the adsorption tank, a flow equalizing and gathering device is arranged in the separation tank, the separation tank is connected with an air outlet of the draught fan, and the separation tank is communicated with a waste gas inlet of the adsorption tank through the flow equalizing and gathering device; organic waste gas enters the paper filter and the cyclone separator through the photosensitive sensor, so that paint mist is removed, then the organic waste gas is sent to the separation tank by the draught fan so as to be concentrated, and finally the organic waste gas enters the adsorption tank through the flow equalizing and gathering device, so that organic solvents are adsorbed.
Description
Technical field
The utility model relates to the technical field that waste gas reclaims, and specifically charcoal absorption purifies the system reclaimed to volatile organic solvent.
Background technology
Lacquer spraying technique is widely used in the industries such as container, machine-building, electrical equipment, household electrical appliances, automobile, boats and ships, furniture.Lacquer spraying waste gas is mainly formed by volatile solvent, diluent molecule and nonvolatile coating cloud molecular mixing, if do not reclaimed, only has and can pollute atmosphere, also can endanger operating personnel's health.The improvement method of lacquer spraying waste gas has condensation method, absorption process, membrane separation process, absorption method etc., traditional recovery system mainly by air draught table cooling system, filter, blower fan, overlap adsorption tanks more, condensing unit, piece-rate system and composition of the control system, because adsorbent equipment is more, floor space is larger, equipment investment is also larger, filter uses nonwoven, long-time application suspension easily adheres to and stops up nonwoven, make gas to pass through, affect recovering effect, and often change nonwoven, not only bother and can increase cost recovery.
At home, condensation method is due to the organic gas that is not suitable for processing low concentration, and needs low temperature and high pressure, and cost of equipment and operating cost are high; Absorption process is also due to the having relatively high expectations of absorbent and absorption equipment, and absorbent needs periodic replacement, and process is more complicated, and cost is higher, more difficult applying; Membrane separation process exists the rate of recovery not high, and discharge does not reach country+environmental protection standard requirement.What absorption method was with the most use is as adsorbent with active carbon, its surface area is high, for purifying the recovery organic solvent, it is a kind of best selection, the at present most producer of active carbon adsorption is all used water vapour to carry out desorption, as Patent number is 201110311140.7 to disclose a kind of patent of invention of paint spraying organic solvent waste gas recycling device, comprise the coating cloud removal device connected successively, blower fan, adsorption tanks, condenser and oil water separator, described coating cloud removal device comprises the air collector for temporary waste organic solvent gas, cyclone dust collectors and sack cleaner, described air collector, cyclone dust collectors and sack cleaner connect successively.
Above-mentioned patent and prior art all but exist following problem: during desorption, a large amount of water vapours are condensate in the hole of activated carbon adsorption layer, and difficulty is given and carried out thoroughly the drying purging, affects the adsorption capacity of active carbon, reduces the utilization rate of active carbon; In addition, in lacquer spraying waste gas, contained coating cloud particle is small, viscosity large, easy coherent substance surface, and while with charcoal absorption, reclaiming organic solvent, the coating cloud particle is easy to stop up the hole of active carbon, has affected charcoal absorption efficiency and service life.
The utility model content
In order to overcome the defect of above-mentioned prior art, the utility model provides a kind of organic waste gas recycling system, this recovery system concentrates with Adsorption Phase and is combined by separation, make organic exhaust gas concentrated in knockout drum, greatly reduced the air quantity that needs absorption, thereby reduced the configuration of adsorption tanks, reduced production cost.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
Organic waste gas recycling system, comprise the cyclone separator, blower fan, adsorption tanks, gas-liquid separator and the solvent recycler that connect successively, it is characterized in that: also comprise and be arranged on cyclone separator light-inductive device and paper filter before, described light-inductive device is connected with paper filter, and paper filter is connected with cyclone separator; Be provided with knockout drum between described blower fan and adsorption tanks, be provided with the current-sharing water trap in knockout drum, described knockout drum is connected with the air outlet of blower fan, and knockout drum communicates with the exhaust outlet that advances of adsorption tanks by the current-sharing water trap; Organic exhaust gas through the light-inductive device enter paper filter, cyclone separator carries out the removal of coating cloud, sends into knockout drum by blower fan concentrated, then enter adsorption tanks by the current-sharing water trap and carry out organic solvent absorption.
Set gradually from top to bottom adsorbent, pad net and adsorbent charcoal in described adsorption tanks.
Be provided with filter between described cyclone separator and blower fan, the import of described filter is connected with cyclone separator, and the outlet of filter is connected with blower fan.
Described paper filter is a tetragonal column structure, the bottom of paper filter is hollow, and four sides on top are equipped with respectively four case filters, and four case filters surround hollow chamber, the waste gas of four case filter filtrations focuses on described hollow chamber, and discharges from the paper filter top.
The utlity model has following advantage:
1, light-inductive device and the paper filter before cyclone separator in the utility model, described light-inductive device is connected with paper filter, and paper filter is connected with cyclone separator; Be provided with knockout drum between described blower fan and adsorption tanks, be provided with the current-sharing water trap in knockout drum, described knockout drum is connected with the air outlet of blower fan, and knockout drum communicates with the exhaust outlet that advances of adsorption tanks by the current-sharing water trap; Organic exhaust gas carries out the removal of coating cloud to paper filter, cyclone separator again through the light-inductive device, send into knockout drum by blower fan concentrated, enter adsorption tanks by the current-sharing water trap again and carry out organic solvent absorption, therefore, before purifying the recovery organic exhaust gas, the organic exhaust gas that sprays paint is removed coating cloud expeditiously, and separate concentrated and absorption combination by knockout drum, make organic exhaust gas concentrated in knockout drum, the air quantity of absorption and the quantity of adsorption tanks have been reduced, and then reduced floor space, reduce the investment of equipment, and then reduced cost.
2, set gradually from top to bottom adsorbent, pad net and adsorbent charcoal in the utility model in adsorption tanks, replaced traditional nonwoven, avoided the trouble of frequent replacing nonwoven, and greatly reduced cost.
3, be provided with filter between cyclone separator and blower fan in the utility model, the import of described filter is connected with cyclone separator, and the outlet of filter is connected with blower fan, better improves the effect of the voc_s removal coating cloud that sprays paint.
4, in the utility model, paper filter is a tetragonal column structure, the bottom of paper filter is hollow, four sides on top are equipped with respectively four case filters, four case filters surround hollow chamber, the waste gas of four case filter filtrations focuses on described hollow chamber, and discharge from the paper filter top, organic solvent coating cloud, moisture are effectively removed.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, mark 1 is the light-inductive device, and 2 is paper filter, and 3 is cyclone separator, and 4 is filter, and 5 is cooler, and 6 is adsorption tanks, and 7 is vapour liquid separator, 8 solvent recyclers, and 9 is blower fan, and 10 is knockout drum, and 11 is the current-sharing water trap.
The specific embodiment
Organic waste gas recycling system (as shown in Figure 1), comprise the cyclone separator 3, blower fan 9, adsorption tanks 6, gas-liquid separator 7 and the solvent recycler 8 that connect successively, also comprise and be arranged on cyclone separator 3 light-inductive device 1 and paper filter 2 before, described light-inductive device 1 is connected with paper filter 4, and paper filter 4 is connected with cyclone separator 3; Be provided with knockout drum 10 between described blower fan 9 and adsorption tanks 6, and be provided with current-sharing water trap 11 in knockout drum 10, described knockout drum 10 is connected with the air outlet of blower fan 9, and knockout drum 10 communicates with the exhaust outlet that advances of adsorption tanks 6 by current-sharing water trap 11 simultaneously; Organic exhaust gas process light-inductive device 1 enters paper filter 2, cyclone separator 3 carries out the removal of coating cloud, send into knockout drum 10 by blower fan 9 concentrated, enter adsorption tanks 6 by current-sharing water trap 11 again and carry out organic solvent absorption, therefore, before purifying the recovery organic exhaust gas, organic exhaust gas is removed coating cloud expeditiously, and separate concentrated and absorption combination by knockout drum 10, make organic exhaust gas interior concentrated at knockout drum 10, the air quantity of absorption and the quantity of adsorption tanks have been reduced, and then reduced floor space, reduce the investment of equipment, and then reduced cost.
Above-mentioned paper filter 4 is a tetragonal column structure, the bottom of paper filter 4 is hollow, four sides on top are equipped with respectively four case filters, four case filters surround hollow chamber, the waste gas of four case filter filtrations focuses on described hollow chamber, and discharges from the paper filter top, and the waste gas of four case filter filtrations focuses on described hollow chamber, and discharge from the paper filter top, organic solvent coating cloud, moisture are effectively removed.
Set gradually from top to bottom adsorbent, pad net and adsorbent charcoal in described adsorption tanks 10, replaced traditional nonwoven absorption, avoided the trouble of frequent replacing nonwoven, and greatly reduced cost.
Be provided with filter 4 between described cyclone separator 3 and blower fan 9, the import of described filter 4 is connected with cyclone separator 3, and the outlet of filter 4 is connected with blower fan 9, better improves the effect of the voc_s removal coating cloud that sprays paint.
Also comprise the automatic control system (not shown), each valve on described cyclone separator, blower fan, gas-liquid separator and adsorption tanks all is connected with automatic control system, its automatic automatic control system adopts full-computerized Automatic Control security alarm and protection, flow operations is simple, stable, safe and reliable; And removed in an orderly manner organic exhaust gas.
Claims (4)
1. organic waste gas recycling system, comprise the cyclone separator, blower fan, adsorption tanks, gas-liquid separator and the solvent recycler that connect successively, it is characterized in that: also comprise and be arranged on cyclone separator light-inductive device and paper filter before, described light-inductive device is connected with paper filter, and paper filter is connected with cyclone separator; Be provided with knockout drum between described blower fan and adsorption tanks, be provided with the current-sharing water trap in knockout drum, described knockout drum is connected with the air outlet of blower fan, and knockout drum communicates with the exhaust outlet that advances of adsorption tanks by the current-sharing water trap.
2. organic waste gas recycling system according to claim 1, is characterized in that: set gradually from top to bottom adsorbent, pad net and adsorbent charcoal in described adsorption tanks.
3. organic waste gas recycling system according to claim 1, it is characterized in that: be provided with filter between described cyclone separator and blower fan, the import of described filter is connected with cyclone separator, and the outlet of filter is connected with blower fan.
4. organic waste gas recycling system according to claim 1, it is characterized in that: described paper filter is a tetragonal column structure, the bottom of paper filter is hollow, four sides on top are equipped with respectively four case filters, four case filters surround hollow chamber, the waste gas of four case filter filtrations focuses on described hollow chamber, and discharges from the paper filter top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204423434U CN203342624U (en) | 2013-07-24 | 2013-07-24 | Organic waste gas recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204423434U CN203342624U (en) | 2013-07-24 | 2013-07-24 | Organic waste gas recovery system |
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| CN203342624U true CN203342624U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013204423434U Expired - Fee Related CN203342624U (en) | 2013-07-24 | 2013-07-24 | Organic waste gas recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083988A (en) * | 2014-07-02 | 2014-10-08 | 蔡祥雨 | VOCs waste gas treatment method |
| CN105056698A (en) * | 2015-07-21 | 2015-11-18 | 天津霍普环保科技有限公司 | Recovery system of organic waste gas |
-
2013
- 2013-07-24 CN CN2013204423434U patent/CN203342624U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083988A (en) * | 2014-07-02 | 2014-10-08 | 蔡祥雨 | VOCs waste gas treatment method |
| CN104083988B (en) * | 2014-07-02 | 2016-04-27 | 蔡祥雨 | VOCs waste gas treatment method |
| CN105854504A (en) * | 2014-07-02 | 2016-08-17 | 蔡祥雨 | Zero discharge treatment method of VOCs waste gases |
| CN105056698A (en) * | 2015-07-21 | 2015-11-18 | 天津霍普环保科技有限公司 | Recovery system of organic waste gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20210724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |