CN208115490U - Laboratory exhaust gas filtration system - Google Patents
Laboratory exhaust gas filtration system Download PDFInfo
- Publication number
- CN208115490U CN208115490U CN201820304499.9U CN201820304499U CN208115490U CN 208115490 U CN208115490 U CN 208115490U CN 201820304499 U CN201820304499 U CN 201820304499U CN 208115490 U CN208115490 U CN 208115490U
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- CN
- China
- Prior art keywords
- gas
- exhaust gas
- cover
- pipeline
- laboratory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001914 filtration Methods 0.000 title claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 75
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims abstract description 16
- 239000007921 spray Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 239000002253 acid Substances 0.000 claims abstract description 11
- 239000003513 alkali Substances 0.000 claims abstract description 9
- 239000002341 toxic gas Substances 0.000 claims abstract description 4
- 230000002000 scavenging effect Effects 0.000 claims description 11
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 5
- 230000000505 pernicious effect Effects 0.000 abstract description 9
- 239000004615 ingredient Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000003570 air Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000010805 inorganic waste Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 241001466460 Alveolata Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model proposes a kind of laboratory exhaust gas filtration systems, including the several blowers being mounted on the ceiling of laboratory, each blower passes through pipeline and connect with filter device, filtration system further includes the controller controlled blower and filter device, and to the gas sampling cover that part toxic gas is specially collected；The filter device includes the pretreatment unit set gradually, filter device, activated carbon adsorption device and gas-detecting device, and is connected between each device by pipeline；The gas sampling cover includes cover, vacuum generator and spray device.The gas sampling cover of the utility model facilitates the collection of laboratory exhaust gas, and the vacuum generator of setting is able to maintain pipeline and is in negative pressure, so that exhaust gas is discharged from exhaust pipe by pipeline, keeps gas sampling high-efficient；Acid & alkali liquid water tank filling corresponding liquid according to the ingredient of pernicious gas, imported into spray tube, is neutralized to pernicious gas.
Description
Technical field
The utility model relates to waste gas treatment equipment fields, particularly relate to a kind of laboratory exhaust gas filtration system.
Background technique
Laboratory is the place that experimenter carries out experimental analysis and scientific research activity, can be used in analytical methods each
Kind chemical kit drug, these reagents and drug often volatilize toxic, pernicious gas, the various chemistry in experimentation
Reaction can also generate exhaust gas.The source of exhaust gas mainly includes the volatile matter of reagent and sample, the intermediate product of analytic process, leakage
And Standard Gases and the carrier gas etc. of emptying, main component be organic exhaust gas (benzene homologues, ethyl alcohol, carbon tetrachloride, methane, ether,
Aldehydes etc.) and inorganic waste gases (hydrogen chloride, hydrogen bromide, chlorine, ammonia etc.).In recent years, the pollution in laboratory is on the rise, wherein
Exhaust pollution problems attract attention further, if not handling or dealing with improperly, not only affect the working environment of experimenter
And its health, also seriously affect the living environment of nearby residents.
Therefore, it is necessary to can be only achieved the standard of atmosphere of draining into after carrying out purified treatment to laboratory exhaust gas.It deposits in the market
The active charcoal adsorption treatment method of laboratory exhaust gas processing method, high pressure photoelectric processing method etc..However these methods all exist
Certain disadvantage：Activated carbon adsorption facture, filler is short using the time, fast to acids exhaust gas adsorption saturation time, replaces filler
Frequently, it meets water and is easy dusting, adhesion, operating cost is high, and processing is not thorough；High pressure photoelectric processing method, exhaust gas have 10,000 by one
High-voltage electricity more than volt releases region of discharge, makes pernicious gas molecule, and ionization, which is decomposed, generates part ozone, is then discharged into atmosphere again
In, the method power consumption is big, operating cost is high, and can only handle 60% or so gas.
Laboratory exhaust gas Prevention Technique also relatively lacks at present, and laboratory inorganic waste gases are caught mainly by water mist or water curtain
Technical treatment is caught, mainly active carbon adsorption, solvent absorption, currently used processing method are organic waste-gas purification technique
It is discharged to outdoor by draught cupboard, ventilator cowling, ventilation fan etc., is discharged after Dilution air.This processing is no doubt to guarantee Interior Space
The effective way of makings amount, Protection room personnel health's safety, but the atmosphere around test block is polluted, it directly affects
To the quality of ambient air.And the usual occupied area of draught cupboard is larger, and some experimental facilities can not be put into draught cupboard, be caused
Toxic and harmful gas discharge is difficult.And the adsorbent equipment of current toxic and harmful gas, it is mostly large scale equipment, for factory, nothing
Method is put into laboratory and uses, and equipment cost is also relatively high, is not that each school can largely be equipped with these hardware, in addition,
The method handled exhaust gas also has ozonization, but excessive ozone makes one to be poisoned, and can make rubber product aging, because
And selecting method appropriate to be purified before exhaust gas discharge will be those skilled in the art's problem to be solved.
Utility model content
The utility model proposes a kind of laboratory exhaust gas filtration system, can facilitate dilute to remaining pernicious gas and dust
It releases and removes.
What the technical solution of the utility model was realized in：A kind of laboratory exhaust gas filtration system, including it is mounted on reality
Several blowers on the ceiling of room are tested, each blower passes through pipeline and connect with filter device, and filtration system further includes to blower
The controller controlled with filter device, and to the gas sampling cover that part toxic gas is specially collected；The mistake
Filter device includes the pretreatment unit set gradually, filter device, activated carbon adsorption device and gas-detecting device, and each dress
It is connected between setting by pipeline；The gas sampling cover includes cover, vacuum generator and spray device；The pipeline
On be provided with controller be electrically connected control on-off solenoid valve.
Preferably, the gas sampling cover includes the vacuum generator being connected on pipeline, it is below vacuum generator
The cover of truncated rectangular pyramids shape, cover top are equipped with clear water water tank and acid & alkali liquid water tank, and one circle of cover lower edge inside is equipped with and acid & alkali liquid
The spray tube of water tank connection, one circle of cover lower edge outside are equipped with the spray generator connecting with clear water water tank.
Preferably, being connected with the inlet tube for filling scavenging solution, bottom in the top sidewall of the pretreatment unit
It is connected with the outlet tube for scavenging solution to be discharged；Top center position is connected with therein for exhaust gas to be treated to be passed through
Air inlet pipe.
Preferably, longitudinal drawer is offered on the filter device, wherein being filled with sponge plate；Activated carbon adsorption dress
It sets and offers multiple lateral drawers, be filled with activated carbon fibre in each drawer.
Preferably, being provided with detector in the gas-detecting device, the detector connects controller,
Exhaust pipe is connected on the side wall of the gas-detecting device.
Compared with prior art, the utility model has the advantage of：Gas sampling cover facilitates the collection of laboratory exhaust gas, if
The vacuum generator set is able to maintain pipeline and is in negative pressure, so that exhaust gas is discharged from exhaust pipe by pipeline, exhaust gas is kept to receive
Collect high-efficient；Acid & alkali liquid water tank filling corresponding liquid according to the ingredient of pernicious gas, imported into spray tube, to harmful gas
Body is neutralized, and the water energy of clear water water tank enough passes through water pipe and imported on the spray generator of cover, convenient to remnants'
Pernicious gas and dust dilution and removing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, blower；2, pipeline；3, controller；4, pretreatment unit；5, filter device；6, activated carbon adsorption device；
7, gas-detecting device；8, cover；9, vacuum generator；10, clear water water tank；11, acid & alkali liquid water tank；12, spray generator；
13, spray tube.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment：Referring to Fig. 1, a kind of laboratory exhaust gas filtration system is several on the ceiling of laboratory including being mounted on
Blower 1, each blower 1 are connect by pipeline 2 with filter device 5, filtration system further include to blower 1 and filter device 5 into
The controller 3 of row control, and to the gas sampling cover that part toxic gas is specially collected；The filter device 5 includes
Pretreatment unit 4, filter device 5, activated carbon adsorption device 6 and the gas-detecting device 7 set gradually, and between each device
It is connected to by pipeline 2；The gas sampling cover includes cover 8, vacuum generator 9 and spray device；On the pipeline 2
It is provided with the solenoid valve that control on-off is electrically connected with controller 3.
Preferably, the gas sampling cover includes the vacuum generator 9 being connected on pipeline 2,9 lower section of vacuum generator
For the cover 8 of truncated rectangular pyramids shape, clear water water tank 10 and acid & alkali liquid water tank 11 are equipped with above cover 8, a circle is equipped on the inside of 8 lower edge of cover
The spray tube 13 connecting with acid & alkali liquid water tank 11,8 lower edge of cover outside, one circle are equipped with the spraying generation connecting with clear water water tank 10
Device 12.
Preferably, being connected with the inlet tube for filling scavenging solution, bottom in the top sidewall of the pretreatment unit 4
It is connected with the outlet tube for scavenging solution to be discharged；Top center position is connected with therein for exhaust gas to be treated to be passed through
Air inlet pipe.
Preferably, longitudinal drawer is offered on the filter device 5, wherein being filled with sponge plate；Activated carbon adsorption
Multiple lateral drawers are offered on device 6, are filled with activated carbon fibre in each drawer.
Preferably, being provided with detector in the gas-detecting device 7, the detector connects controller
3, exhaust pipe is connected on the side wall of the gas-detecting device 7.
Gas sampling cover facilitates the collection of laboratory exhaust gas, and the vacuum generator 9 of setting is able to maintain pipeline 2 and is in negative
Pressure keeps gas sampling high-efficient so that exhaust gas is discharged from exhaust pipe by pipeline 2；Acid & alkali liquid water tank 11 is according to harmful gas
The ingredient of body and filling corresponding liquid, imported into spray tube 13, are neutralized to pernicious gas, clear water water tank 10
Water energy enough passes through water pipe and imported on the spray generator 12 of cover 8, conveniently to remaining pernicious gas and dust dilution and clearly
It removes.
For the box house tool of the utility model there are four device, exhaust gas is by being equipped with scavenging solution (according to laboratory first
Exhaust gas species reasonably select scavenging solution, such as water, ethyl alcohol etc.) pretreatment unit 4 handled, then pass through filter device again
5 sponge plate enters activated carbon adsorption device 6 after filtering is dried, and activated carbon fibre carries out adsorption treatment to exhaust gas, finally
Wasted nickel catalyst device is entered back into, by being discharged after the exhaust gas detector detection qualification of wasted nickel catalyst device, such exhaust gas just passes through
The Duplex treatment of scavenging solution and active carbon, active carbon, which absorbs saturation time, to be shortened, and exhaust-gas treatment is more thorough, operating cost drop
It is low.Pretreatment unit 4 is connected with inlet tube and outlet tube, can according to need reasonable selection scavenging solution, while can also be regular
Carry out replacement processing；In addition activated carbon adsorption device 6 is designed using more drawer types, and respective counts can be arranged according to exhaust gas concentration by removing
Outside the activated carbon fibre of amount, it can be replaced more convenient with being replaced after adsorption saturation.Scavenging solution pretreatment unit 4 and work
Increase filter device 5 between property charcoal adsorbent equipment 6, the sponge plate in filter device 5 can to the exhaust gas being mingled in exhaust gas into
Row dry filter prevents active carbon from by the influence of liquid it is shortened using the time, ensure that effective fortune of active carbon
The row time.Gas-detecting device 7 is designed using drawer type, can be prevented in drawer such as Alveolate activated carbon according to detection case
Equal treated substances, can increase the degree for the treatment of to exhaust gas in this way, and exhaust gas is prevented to be discharged in the case where detecting underproof situation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (5)
1. a kind of laboratory exhaust gas filtration system, including the several blowers being mounted on the ceiling of laboratory, each blower is logical
Piping is connect with filter device, it is characterised in that：Filtration system further includes the control controlled blower and filter device
Device, and to the gas sampling cover that part toxic gas is specially collected；The filter device includes the pre- place set gradually
Device, filter device, activated carbon adsorption device and gas-detecting device are managed, and is connected between each device by pipeline；It is described
Gas sampling cover includes cover, vacuum generator and spray device；It is provided on the pipeline and electrically connects with controller
Connect the solenoid valve of control on-off.
2. laboratory exhaust gas filtration system according to claim 1, it is characterised in that：The gas sampling cover includes connection
Vacuum generator on pipeline, vacuum generator lower section are the cover of truncated rectangular pyramids shape, are equipped with clear water water tank and acid above cover
Lye water tank, a circle is equipped with spray tube connect with acid & alkali liquid water tank on the inside of cover lower edge, on the outside of cover lower edge a circle equipped with
The spray generator of clear water water tank connection.
3. laboratory exhaust gas filtration system according to claim 1 or 2, it is characterised in that：The top of the pretreatment unit
The inlet tube for filling scavenging solution is connected on portion's side wall, bottom is connected with the outlet tube for scavenging solution to be discharged；Top is just
Middle position is connected with for exhaust gas to be treated to be passed through air inlet pipe therein.
4. laboratory exhaust gas filtration system according to claim 1 or 2, it is characterised in that：It is opened up on the filter device
There is longitudinal drawer, wherein being filled with sponge plate；Multiple lateral drawers are offered on activated carbon adsorption device, are filled out in each drawer
Filled with activated carbon fibre.
5. laboratory exhaust gas filtration system according to claim 1 or 2, it is characterised in that：In the gas-detecting device
It is provided with detector, the detector connects controller, is connected with exhaust on the side wall of the gas-detecting device
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820304499.9U CN208115490U (en) | 2018-03-05 | 2018-03-05 | Laboratory exhaust gas filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820304499.9U CN208115490U (en) | 2018-03-05 | 2018-03-05 | Laboratory exhaust gas filtration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208115490U true CN208115490U (en) | 2018-11-20 |
Family
ID=64205054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820304499.9U Expired - Fee Related CN208115490U (en) | 2018-03-05 | 2018-03-05 | Laboratory exhaust gas filtration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208115490U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238153A (en) * | 2019-06-10 | 2019-09-17 | 中国地质大学（武汉） | A kind of volatility organic polluted soil salvage shop exhaust treatment system |
| CN110694453A (en) * | 2019-10-18 | 2020-01-17 | 安徽理工大学 | Waste gas collecting and treating device and implementation method thereof |
| CN113663423A (en) * | 2021-07-27 | 2021-11-19 | 深圳市第二人民医院(深圳市转化医学研究院) | Laboratory toxic gas leakage-proof system |
-
2018
- 2018-03-05 CN CN201820304499.9U patent/CN208115490U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238153A (en) * | 2019-06-10 | 2019-09-17 | 中国地质大学（武汉） | A kind of volatility organic polluted soil salvage shop exhaust treatment system |
| CN110694453A (en) * | 2019-10-18 | 2020-01-17 | 安徽理工大学 | Waste gas collecting and treating device and implementation method thereof |
| CN113663423A (en) * | 2021-07-27 | 2021-11-19 | 深圳市第二人民医院(深圳市转化医学研究院) | Laboratory toxic gas leakage-proof system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 |