CN203540315U - Recycling and purifying device for waste gas of chemical laboratory - Google Patents
Recycling and purifying device for waste gas of chemical laboratory Download PDFInfo
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- CN203540315U CN203540315U CN201320740136.7U CN201320740136U CN203540315U CN 203540315 U CN203540315 U CN 203540315U CN 201320740136 U CN201320740136 U CN 201320740136U CN 203540315 U CN203540315 U CN 203540315U
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- absorption cell
- wireway
- alcohol
- waste gas
- water absorption
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Abstract
The utility model belongs to the technical field of chemical equipment and particularly relates to a recycling and purifying device for waste gas of a chemical laboratory. The recycling and purifying device comprises a gas collection device and a waste gas treatment device, wherein the gas collection device comprises a gas collection opening, a gas collection tank and a vacuum pump which are communicated in sequence; the waste gas treatment device comprises a first-grade treatment device and a second-grade treatment device; the first-grade treatment device comprises a first water absorption tank, a first alcohol absorption tank and an oxidization chamber; the second-grade treatment device comprises a second water absorption tank and a second alcohol absorption tank. The recycling and purifying device for the waste gas of the chemical laboratory is simple in structure and reasonable in design; the air in the laboratory is clean by gas collection and two to three grades of treatment on the waste gas; the atmosphere outside the laboratory is protected and is not polluted.
Description
Technical field
The utility model belongs to technical field of chemical, relates in particular to a kind of chemical laboratory waste gas reclaiming clean device.
Background technology
Chemical laboratory is to provide chemical experiment condition and carries out the important place of scientific exploration, the instrument and the reagent that in it, have a lot of experiment use, the chemical experiment meeting that in laboratory, carry out every day produces a large amount of waste gas, this waste gas mostly is unpleasant, poisonous, harmful and mordant gas, composition mainly contains nitrogen oxide, oxysulfide, oxycarbide, chlorine, ammonia, trimethylamine, sulfide, first sulfide, styrene, benzene,toluene,xylene and other Nonmetal hydride etc.
At present, the conventional processing method of waste gas that laboratory produces is to be discharged to outdoor by fume hood, ventilator cowling, ventilation fan etc., after Dilution air, discharge, this processing is no doubt the air quality that can guarantee in laboratory, but laboratory atmosphere has around been caused to pollution, affected the air of surrounding environment.
Utility model content
Technical problem to be solved in the utility model is: the deficiency existing for prior art, provide a kind of simple in structure, can guarantee the free of contamination chemical laboratory waste gas of the inside and outside environment in laboratory reclaiming clean device.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Chemical laboratory waste gas reclaiming clean device, comprises gas collecting apparatus and emission-control equipment;
Described gas collecting apparatus comprises gas collection mouth, plenum chamber and the vavuum pump being communicated with successively;
Described emission-control equipment comprises coagulation device and two stage treatment device; Described coagulation device comprises the first water absorption cell, the first alcohol absorption cell and oxidizing chamber, described plenum chamber is provided with the first wireway, the outlet side of described the first wireway is stretched under the water liquid level of described the first water absorption cell, the top of described the first water absorption cell is provided with the second wireway, the outlet side of described the second wireway is stretched under the alcohol liquid level of described the first alcohol absorption cell, the top of described the first alcohol absorption cell is provided with the 3rd wireway, and the outlet side of described the 3rd wireway is communicated with described oxidizing chamber;
Described two stage treatment device comprises the second water absorption cell and the second alcohol absorption cell, described oxidizing chamber is provided with the 4th wireway, the outlet side of described the 4th wireway is stretched under the water liquid level of described the second water absorption cell, the top of described the second water absorption cell is provided with the 5th wireway, the outlet side of described the 5th wireway is stretched under the alcohol liquid level of described the second alcohol absorption cell, and the top of described the second alcohol absorption cell is provided with exhaust outlet.
As a kind of improvement, described emission-control equipment also comprises adsorbent equipment, and described second exhaust outlet of alcohol absorption cell and the bottom of described adsorbent equipment are communicated with, and in described adsorbent equipment, are provided with active carbon layer.
As improving further, the bottom of described the first water absorption cell, the first alcohol absorption cell, the second water absorption cell and the second alcohol absorption cell is equipped with liquid outlet, and described liquid outlet place is provided with out hydraulic control valve.
As further improving, described oxidizing chamber is communicated with apparatus of oxygen supply, is provided with many ultraviolet lamp tubes in described oxidizing chamber.
Owing to having adopted technique scheme, the beneficial effects of the utility model are:
The chemical laboratory waste gas reclaiming clean device that the utility model provides comprises gas collecting apparatus and emission-control equipment, it is simple in structure, gas collecting apparatus mixes in buffer memory laboratory the air that has waste gas, and this is mixed and has the air of waste gas to be delivered in emission-control equipment, avoid waste gas directly to enter emission-control equipment and the load that surpasses emission-control equipment causes part waste gas unprocessed and drain into contaminated environment in atmosphere, emission-control equipment comprises coagulation device and two stage treatment device, waste gas substantially no longer contains the composition of atmosphere pollution after bi-level treatment, the first water absorption cell can dissolve the composition soluble in water containing in waste gas, the first alcohol absorption cell can dissolve composition water insoluble in waste gas and that be soluble in alcohols, for water insoluble on a small quantity, can be oxidized through ultraviolet ray with waste gas alcohol, cracking, thereby the ultraviolet beam that ultraviolet lamp tube is emitted can decompose the oxygen that airborne oxygen molecule produces free state, it is active oxygen, active oxygen and oxygen reaction generate ozone, ozone can be oxidized waste gas, cracking, fraction is not oxidized, the waste gas of cracking carries out respectively solution absorption through the second water absorption cell and the second alcohol absorption cell again, the further remaining waste gas of absorption of residual of active carbon in adsorbent equipment, thus the purification efficiency of this reclaiming clean device improved, the less pollution of air, waste liquid in the first water absorption cell, the first alcohol absorption cell, the second water absorption cell and the second alcohol absorption cell can be processed, recycle through there being liquid outlet to discharge, this chemical laboratory waste gas reclaiming clean apparatus structure is simple, reasonable in design, through gas collection, waste gas two, to tertiary treatment, has both guaranteed the cleaning of Laboratory Air, has protected again the atmosphere outside laboratory not contaminated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the chemical laboratory waste gas reclaiming clean device that provides of the utility model;
Wherein: 1-gas collecting apparatus, 2-emission-control equipment, 3-laboratory, 4-the first wireway, 5-the second wireway, 6-the 3rd wireway, 7-the 4th wireway, 8-the 5th wireway, 9-liquid outlet, 11-gas collection mouth, 12-plenum chamber, 13-vavuum pump, 21-coagulation device, 22-two stage treatment device, 23-adsorbent equipment, 91-goes out hydraulic control valve, 211-the first water absorption cell, 212-the first alcohol absorption cell, 213-oxidizing chamber, 214-apparatus of oxygen supply, 215-ultraviolet lamp tube, 221-the second water absorption cell, 222-the second alcohol absorption cell, 223-exhaust outlet, 231-active carbon layer.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of the chemical laboratory waste gas reclaiming clean device that the utility model provides, and for convenience of explanation, this figure only provides the structure division relevant with the utility model.
Chemical laboratory waste gas reclaiming clean device comprises gas collecting apparatus 1 and emission-control equipment 2; Gas collecting apparatus 1 comprises gas collection mouth 11, plenum chamber 12 and the vavuum pump 13 being communicated with successively, and gas collection mouth 11 is communicated with laboratory 3.
Emission-control equipment 2 comprises coagulation device 21, two stage treatment device 22 and adsorbent equipment 23, coagulation device 21 comprises the first water absorption cell 211, the first alcohol absorption cell 212 and oxidizing chamber 213, the first water absorption cell 211, the first alcohol absorption cell 212 and oxidizing chamber 213 can be one can be also split, in the first water absorption cell 211, be contained with water, in the first alcohol absorption cell 212, be contained with ethanol, plenum chamber 12 is provided with the first wireway 4, the first wireway 4 is provided with flow rate regulating valve near plenum chamber place, the outlet side of the first wireway 4 is stretched under the water liquid level of the first water absorption cell 211, the top of the first water absorption cell 211 is provided with the second wireway 5, the outlet side of the second wireway 5 is stretched under the alcohol liquid level of the first alcohol absorption cell 212, the top of the first alcohol absorption cell 212 is provided with the 3rd wireway 6, the outlet side of the 3rd wireway 6 is communicated with oxidizing chamber 213, oxidizing chamber 213 is communicated with apparatus of oxygen supply 214, in oxidizing chamber 213, be provided with many ultraviolet lamp tubes 215.
Two stage treatment device 22 comprises the second water absorption cell 221 and the second alcohol absorption cell 222, the second water absorption cell 221 and the second alcohol absorption cell 222 can be one can be also split, oxidizing chamber 213 is provided with the 4th wireway 7, the outlet side of the 4th wireway 7 is stretched under the water liquid level of the second water absorption cell 221, the top of the second water absorption cell 222 is provided with the 5th wireway 8, the outlet side of the 5th wireway 8 is stretched under the alcohol liquid level of the second alcohol absorption cell 222, the top of the second alcohol absorption cell 222 is provided with exhaust outlet 223, the exhaust outlet 223 of the second alcohol absorption cell 222 is communicated with the bottom of adsorbent equipment 23, in adsorbent equipment 23, be provided with active carbon layer 231, the top of adsorbent equipment is also provided with exhaust outlet.
The bottom of the first water absorption cell 211, the first alcohol absorption cell 212, the second water absorption cell 221 and the second alcohol absorption cell 222 is equipped with liquid outlet 9, and liquid outlet 9 places are provided with out hydraulic control valve 91.
The use procedure of the chemical laboratory waste gas reclaiming clean device that the utility model provides is: vavuum pump is drawn into the waste gas in laboratory in plenum chamber through gas collection mouth, then through in the first wireway enters the first water absorption cell after water absorption portion waste gas, not water-soluble waste gas is again in the second wireway enters the first alcohol absorption cell, the waste gas not absorbed by alcohol enters in oxidizing chamber and is oxidized through ultraviolet ray, be cracked into non-toxic gas, fraction is not oxidized, the waste gas of cracking enters respectively in the second water absorption cell and the second alcohol absorption cell again and processes, finally enter again adsorbent equipment, after charcoal absorption, enter in atmosphere.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. chemical laboratory waste gas reclaiming clean device, comprises gas collecting apparatus and emission-control equipment; It is characterized in that:
Described gas collecting apparatus comprises gas collection mouth, plenum chamber and the vavuum pump being communicated with successively;
Described emission-control equipment comprises coagulation device and two stage treatment device;
Described coagulation device comprises the first water absorption cell, the first alcohol absorption cell and oxidizing chamber, described plenum chamber is provided with the first wireway, the outlet side of described the first wireway is stretched under the water liquid level of described the first water absorption cell, the top of described the first water absorption cell is provided with the second wireway, the outlet side of described the second wireway is stretched under the alcohol liquid level of described the first alcohol absorption cell, the top of described the first alcohol absorption cell is provided with the 3rd wireway, and the outlet side of described the 3rd wireway is communicated with described oxidizing chamber;
Described two stage treatment device comprises the second water absorption cell and the second alcohol absorption cell, described oxidizing chamber is provided with the 4th wireway, the outlet side of described the 4th wireway is stretched under the water liquid level of described the second water absorption cell, the top of described the second water absorption cell is provided with the 5th wireway, the outlet side of described the 5th wireway is stretched under the alcohol liquid level of described the second alcohol absorption cell, and the top of described the second alcohol absorption cell is provided with exhaust outlet.
2. chemical laboratory waste gas reclaiming clean device as claimed in claim 1, it is characterized in that: described emission-control equipment also comprises adsorbent equipment, described second exhaust outlet of alcohol absorption cell and the bottom of described adsorbent equipment are communicated with, and in described adsorbent equipment, are provided with active carbon layer.
3. chemical laboratory waste gas reclaiming clean device as claimed in claim 1 or 2, it is characterized in that: the bottom of described the first water absorption cell, the first alcohol absorption cell, the second water absorption cell and the second alcohol absorption cell is equipped with liquid outlet, and described liquid outlet place is provided with out hydraulic control valve.
4. chemical laboratory waste gas reclaiming clean device as claimed in claim 3, is characterized in that: described oxidizing chamber is communicated with apparatus of oxygen supply, is provided with many ultraviolet lamp tubes in described oxidizing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740136.7U CN203540315U (en) | 2013-11-20 | 2013-11-20 | Recycling and purifying device for waste gas of chemical laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320740136.7U CN203540315U (en) | 2013-11-20 | 2013-11-20 | Recycling and purifying device for waste gas of chemical laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203540315U true CN203540315U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320740136.7U Expired - Fee Related CN203540315U (en) | 2013-11-20 | 2013-11-20 | Recycling and purifying device for waste gas of chemical laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203540315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731625A (en) * | 2017-01-13 | 2017-05-31 | 海宁蒙努皮革制品有限公司 | A kind of leather house exhaust processing unit |
-
2013
- 2013-11-20 CN CN201320740136.7U patent/CN203540315U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731625A (en) * | 2017-01-13 | 2017-05-31 | 海宁蒙努皮革制品有限公司 | A kind of leather house exhaust processing unit |
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| 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: 20140416 Termination date: 20141120 |
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| EXPY | Termination of patent right or utility model |