CN202860382U - Simple waste gas purification system in chemical laboratory - Google Patents
Simple waste gas purification system in chemical laboratory Download PDFInfo
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- CN202860382U CN202860382U CN 201220356498 CN201220356498U CN202860382U CN 202860382 U CN202860382 U CN 202860382U CN 201220356498 CN201220356498 CN 201220356498 CN 201220356498 U CN201220356498 U CN 201220356498U CN 202860382 U CN202860382 U CN 202860382U
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- waste gas
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- chemical laboratory
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Abstract
The utility model discloses a simple waste gas purification system in a chemical laboratory, which belongs to the technical field of environment purification. The simple waste gas purification system comprises a waste gas collection device, a waste gas treatment device and a residual waste gas purification treatment device, which are connected in series and in turns. The simple waste gas purification system is simple to manufacture and low in manufacturing cost; and the simple waste gas purification system is suitable for the treatment of most organic and inorganic waste gas in the chemical laboratory, applicable to the following waste gas such as ammonia, trimethylamine, hydrogen sulfide, methylmercaptan, methyl mercaptan, dimethyl sulfide, dimethyl disulfide, carbon disulfide and styrene, sulfide such as H2S (Hydrogen Sulfide) and VOC (Volatile Organic Compound), and benzene, toluene and dimethylbenzene and the like.
Description
Technical field
The utility model relates to depollution of environment technical field, is specifically related to the simple and easy waste gas cleaning system of a kind of chemical laboratory.
Background technology
The environment that goes from bad to worse is just seriously threatening human existence and expanding economy, and people also more and more recognize the importance of protection of the environment.The discarded object that produces in the chemical experiment process has inflammability, corrosivity, reactivity and toxic mostly, that have even all right carcinogenic, if not treated direct discharging, with contaminated environment, harm people healthy, cause even very serious consequence, thereby to the harmfulness of chemical waste sufficient understanding to be arranged, carry out the work for the treatment of of discarded object with the sense of responsibility of height, scientism serious and conscientious, to reduce the pollution to environment.
Chemical waste is often of a great variety, form complicated, dispersed strong, different according to its composition and harmfulness, processing method also is not quite similar.Processing and the recovery method of some economical rationality of design, simple and easy to do control pollutant emission will help to improve student's interest and environmental consciousness in chemical experiment.
Chemical exhaust is usually to follow chemical reaction and a kind of important chemical waste that produces, mainly comprise various unpleasant, poisonous, harmful and mordant gases, composition has various nitrogen oxide, oxysulfide, oxycarbide, chlorine, ammonia, ammonia, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl mercaptan, methyl sulfide, methyl disulfide, carbon disulfide and styrene, sulfide H2S, VOC class, benzene,toluene,xylene and other Nonmetal hydride etc.At present processing method commonly used is to be discharged to outdoorly by fume hood, ventilator cowling, ventilation fan etc., discharges behind Dilution air.This processing no doubt is the effective way that guarantees IAQ, Protection chamber personnel health's safety, but the atmosphere around the test block is polluted, and directly has influence on the quality of ambient air.And the common floor space of fume hood is larger, and apparatus expensive is not that each school can both be equipped with these hardware in a large number, thereby selecting suitable method to be purified before toxic emission will be the problem that those skilled in the art need to solve.
Summary of the invention
Primary and foremost purpose of the present utility model just is to overcome the existing deficiency of existing waste gas cleaning system, thereby provides a kind of chemical laboratory simple and easy waste gas cleaning system.
The simple and easy waste gas cleaning system of a kind of chemical laboratory of the present utility model comprises being connected in series successively waste gas collection device, emission-control equipment and residual gas purifying processing device.
Described waste gas collection device comprises wooden piston, air-intake container bottle, air container bottle, closed piston, vavuum pump and force (forcing) pump, wooden piston is installed in the inlet end of air-intake container bottle, the closed piston of installing on the input of the output of air-intake container bottle and air container bottle is tightly connected, the delivery end of air container bottle is connected with emission-control equipment, and the pressure feed end of air container bottle is connected with vavuum pump or force (forcing) pump.
Described wooden piston is provided with several through holes, inserts a wireway in each through hole.This wireway connects with corresponding reaction unit, and the waste gas that reaction unit produces enters this cleaning system by wireway.
The output of described air-intake container bottle is set to funnel, is provided with the air inlet adjustment valve on the conduit of described funnel, and the derivation end of described conduit inserts in the air container bottle.
Be provided with penstock and escape pipe on the described air container bottle, be respectively arranged with on described penstock and the escape pipe and vacuumize control valve and the control valve of giving vent to anger, described penstock is connected with vavuum pump or force (forcing) pump, and described escape pipe is connected with emission-control equipment.
The air inlet of described emission-control equipment is connected with the gas outlet with waste gas collection device and is connected with the residual gas purifying processing device.
Described emission-control equipment is waste gas superoxide anion treating apparatus, is provided with some ultraviolet lamp tubes in this device.
Described residual gas purifying processing device comprises carrier pipe, purification bottle and reaction solution, holds reaction solution in the described purification bottle, and an end of described carrier pipe is connected with the gas outlet of emission-control equipment, described carrier pipe the other end be inserted in the reaction solution.
Described reaction solution is water, diluted acid or aqueous slkali.
Waste gas collection device of the present utility model can be used to collect the waste gas that chemical reaction produces in the reaction unit, and the air-intake container bottle of waste gas collection device and air container bottle make both junctions form hermetically-sealed construction by closed piston.
The output of air-intake container bottle is set to funnel, this funnel is suitable for reading to add a wooden piston, this wooden piston is provided with several through holes, can insert wireway in the through hole, can be connected to corresponding reaction unit by wireway, can solve simultaneously like this collection work of the experiment waste gas that some groups of experimenters produce when carrying out chemical experiment.The funnel of air-intake container bottle is provided with an air inlet adjustment valve, in order to can be closed behind the air container bottle at gas sampling.The air container bottle links to each other with vavuum pump, forms certain negative pressure in order to bleed.The air container bottle connects emission-control equipment, is respectively arranged with on the penstock of air container bottle and the escape pipe to vacuumize control valve and the control valve of giving vent to anger.The air container bottle vacuumizes and forms certain negative pressure, can simulate the negative pressure effect of fume hood and collect the waste gas that the experiment reaction produces in the reaction unit.
Make the waste gas of collecting in the air container bottle enter emission-control equipment and need to pass through following steps in order to carry out purified treatment, at first close the air inlet adjustment valve of air-intake container bottle, then open the control valve that vacuumizes of air container bottle, last air container bottle connects force (forcing) pump and is filled with air, makes the waste gas in the air container bottle send into emission-control equipment through the air inlet of emission-control equipment.
Be provided with several ultraviolet lamp tubes in the emission-control equipment, after the energising, the UV ultraviolet beam that ultraviolet lamp tube is emitted can decompose airborne oxygen molecule and produce free oxygen, i.e. active oxygen, UV+O
2→ O
-+ O
+(active oxygen) O+O
2→ O
3(ozone).By oxidation reaction, the multiple organic and inorganic waste gases that enters in the container can be carried out oxidation, cracking, after purifying, the small part not gas outlet of the emission-control equipment of exhaustive oxidation enters into the residual gas purifying processing device.
The purification bottle of residual gas purifying processing device is put into water, diluted acid or aqueous slkali according to the character of waste gas, and waste gas is passed into it under liquid level with a carrier pipe, does further purification.
This cleaning system is made simple, manufacturing cost is low, processes organic and inorganic waste gases applicable to most of chemical laboratory, comprises being applicable to following waste gas, such as ammonia, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl mercaptan, methyl sulfide, methyl disulfide, carbon disulfide and styrene, sulfide H
2S, VOC class, benzene, toluene and dimethylbenzene etc. by super oxygen oxidation, can make organic or inorganic macromolecule waste gas compound molecule chain, and under the irradiation of high energy ultraviolet beam, degraded is transformed into low molecular compound, such as CO
2, H
2O etc.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of wooden piston of the present utility model.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.Should be understood that following examples are only for explanation the utility model but not for limiting scope of the present utility model.
As shown in Figure 1, the simple and easy waste gas cleaning system of a kind of chemical laboratory of the present utility model comprises being connected in series successively waste gas collection device 1, emission-control equipment 2 and residual gas purifying processing device 3.
Described waste gas collection device 1 comprises wooden piston 11, air-intake container bottle 12, air container bottle 13, closed piston 14, vavuum pump 15 and force (forcing) pump 16, wooden piston 11 is installed in the inlet end of air-intake container bottle 12, the closed piston 14 of installing on the input of the output of air-intake container bottle 12 and air container bottle 13 is tightly connected, the delivery end of air container bottle 13 is connected with emission-control equipment 2, and the pressure feed end of air container bottle 13 is connected with vavuum pump 15 or force (forcing) pump 16.
As depicted in figs. 1 and 2, described wooden piston 11 is provided with several through holes 111, inserts a wireway 112 in each through hole 111.This wireway 112 connects with corresponding reaction unit, and the waste gas that reaction unit produces enters this cleaning system by wireway 112.
The quantity of described through hole 111 is 6 to 8.
As shown in Figure 1, the output of described air-intake container bottle 12 is set to funnel 121, is provided with air inlet adjustment valve 1212 on the conduit 1211 of described funnel 121, and the derivation end of described conduit 1211 inserts in the air container bottle 13.
Be provided with penstock 131 and escape pipe 132 on the described air container bottle 13, be respectively arranged with on described penstock 131 and the escape pipe 132 and vacuumize control valve 1311 and the control valve 1321 of giving vent to anger, described penstock 131 is connected with vavuum pump 15 or force (forcing) pump 16, and described escape pipe 132 is connected with emission-control equipment 2.
The air inlet of described emission-control equipment 2 is connected with the gas outlet to be connected with the residual gas purifying processing device with waste gas collection device 1 and is connected.
Described emission-control equipment 2 is waste gas superoxide anion treating apparatus, is provided with some ultraviolet lamp tubes 21 in this device.
The quantity of described ultraviolet lamp tube 21 is 4 to 6.
Described residual gas purifying processing device 3 comprises carrier pipe 31, purification bottle 32 and reaction solution 33, hold reaction solution 33 in the described purification bottle 32, one end of described carrier pipe 31 is connected with the gas outlet of emission-control equipment 2, described carrier pipe 31 the other end be inserted in the reaction solution 33.
Described reaction solution 33 is water, diluted acid or aqueous slkali.
Waste gas collection device 1 of the present utility model can be used to collect the waste gas that chemical reaction produces in the reaction unit, and the air-intake container bottle 12 of waste gas collection device 1 and air container bottle 13 make both junctions form hermetically-sealed construction by closed piston 14.
The output of air-intake container bottle 12 is set to funnel 121, this funnel 121 is suitable for reading to add a wooden piston 11, this wooden piston 11 is provided with several through holes 111, can insert wireway 112 in the through hole 111, can be connected to corresponding reaction unit by wireway 112, can solve simultaneously like this collection work of the experiment waste gas that some groups of experimenters produce when carrying out chemical experiment.The funnel 121 of air-intake container bottle 12 is provided with an air inlet adjustment valve 1212, in order to can be closed behind air container bottle 13 at gas sampling.Air container bottle 13 links to each other with vavuum pump 15, forms certain negative pressure in order to bleed.Air container bottle 13 connects emission-control equipment 2, is respectively arranged with on the penstock 131 of air container bottle 13 and the escape pipe 132 to vacuumize control valve 1311 and the control valve 1321 of giving vent to anger.Air container bottle 13 vacuumizes and forms certain negative pressure, can simulate the negative pressure effect of fume hood and collect the waste gas that the experiment reaction produces in the reaction unit.
Make the waste gas of collecting in the air container bottle 13 enter emission-control equipment 2 and need to pass through following steps in order to carry out purified treatment, at first close the air inlet adjustment valve 1212 of air-intake container bottle 12, that then opens air container bottle 13 vacuumizes control valve 1311, last air container bottle 13 connects force (forcing) pump 16 and is filled with air, makes the waste gas in the air container bottle 13 send into emission-control equipment 2 through the air inlet of emission-control equipment 2.
Be provided with several ultraviolet lamp tubes 21 in the emission-control equipment 2, after the energising, the UV ultraviolet beam that ultraviolet lamp tube 21 is emitted can decompose airborne oxygen molecule and produce free oxygen, i.e. active oxygen, UV+O
2→ O
-+ O
+(active oxygen) O+O
2→ O
3(ozone).By oxidation reaction, the multiple organic and inorganic waste gases that enters in the container can be carried out oxidation, cracking, after purifying, the small part not gas outlet of the emission-control equipment 2 of exhaustive oxidation enters into residual gas purifying processing device 3.
The purification bottle 32 of residual gas purifying processing device 3 is put into water, diluted acid or aqueous slkali according to the character of waste gas, and waste gas is passed into it under liquid level with a carrier pipe 31, does further purification.
This cleaning system is made simple, manufacturing cost is low, processes organic and inorganic waste gases applicable to most of chemical laboratory, comprises being applicable to following waste gas, such as ammonia, trimethylamine, hydrogen sulfide, first sulphur hydrogen, methyl mercaptan, methyl sulfide, methyl disulfide, carbon disulfide and styrene, sulfide H
2S, VOC class, benzene, toluene and dimethylbenzene etc. by super oxygen oxidation, can make organic or inorganic macromolecule waste gas compound molecule chain, and under the irradiation of high energy ultraviolet beam, degraded is transformed into low molecular compound, such as CO
2, H
2O etc.
Claims (9)
1. the simple and easy waste gas cleaning system of chemical laboratory is characterized in that, comprises being connected in series successively waste gas collection device, emission-control equipment and residual gas purifying processing device.
2. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 1, it is characterized in that, described waste gas collection device comprises wooden piston, air-intake container bottle, air container bottle, closed piston, vavuum pump and force (forcing) pump, wooden piston is installed in the inlet end of air-intake container bottle, the closed piston of installing on the input of the output of air-intake container bottle and air container bottle is tightly connected, the delivery end of air container bottle is connected with emission-control equipment, and the pressure feed end of air container bottle is connected with vavuum pump or force (forcing) pump.
3. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 2 is characterized in that, described wooden piston is provided with several through holes, inserts a wireway in each through hole.
4. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 2 is characterized in that, the output of described air-intake container bottle is set to funnel, is provided with the air inlet adjustment valve on the conduit of described funnel, and the derivation end of described conduit inserts in the air container bottle.
5. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 2, it is characterized in that, be provided with penstock and escape pipe on the described air container bottle, be respectively arranged with on described penstock and the escape pipe and vacuumize control valve and the control valve of giving vent to anger, described penstock is connected with vavuum pump or force (forcing) pump, and described escape pipe is connected with emission-control equipment.
6. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 1 is characterized in that, the air inlet of described emission-control equipment is connected with the gas outlet with waste gas collection device and is connected with the residual gas purifying processing device.
7. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 6 is characterized in that, described emission-control equipment is waste gas superoxide anion treating apparatus, is provided with some ultraviolet lamp tubes in this device.
8. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 1, it is characterized in that, described residual gas purifying processing device comprises carrier pipe, purification bottle and reaction solution, hold reaction solution in the described purification bottle, one end of described carrier pipe is connected with the gas outlet of emission-control equipment, described carrier pipe the other end be inserted in the reaction solution.
9. the simple and easy waste gas cleaning system of chemical laboratory as claimed in claim 8 is characterized in that, described reaction solution is water, diluted acid or aqueous slkali.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356498 CN202860382U (en) | 2012-07-23 | 2012-07-23 | Simple waste gas purification system in chemical laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220356498 CN202860382U (en) | 2012-07-23 | 2012-07-23 | Simple waste gas purification system in chemical laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202860382U true CN202860382U (en) | 2013-04-10 |
Family
ID=48027142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220356498 Expired - Fee Related CN202860382U (en) | 2012-07-23 | 2012-07-23 | Simple waste gas purification system in chemical laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202860382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847547A (en) * | 2019-04-08 | 2019-06-07 | 重庆中科检测技术服务有限公司 | A kind of heavy metal chelant and preparation method thereof |
-
2012
- 2012-07-23 CN CN 201220356498 patent/CN202860382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847547A (en) * | 2019-04-08 | 2019-06-07 | 重庆中科检测技术服务有限公司 | A kind of heavy metal chelant and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20130723 |