CN205598839U - Exhaust gas purification system suitable for laboratory - Google Patents
Exhaust gas purification system suitable for laboratory Download PDFInfo
- Publication number
- CN205598839U CN205598839U CN201620115610.0U CN201620115610U CN205598839U CN 205598839 U CN205598839 U CN 205598839U CN 201620115610 U CN201620115610 U CN 201620115610U CN 205598839 U CN205598839 U CN 205598839U
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- Prior art keywords
- laboratory
- treatment module
- air
- waste gas
- purified treatment
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- 238000000746 purification Methods 0.000 title abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 35
- 239000003517 fume Substances 0.000 claims abstract description 24
- 239000002912 waste gas Substances 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 18
- 239000006199 nebulizer Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 238000005276 aerator Methods 0.000 claims description 7
- 239000003595 mist Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 4
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 238000004080 punching Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 239000000356 contaminant Substances 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 231100000719 pollutant Toxicity 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 238000012372 quality testing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 210000002381 plasma Anatomy 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model provides an exhaust gas purification system suitable for laboratory, includes at least one fume hood, heterogeneous exchange purification treatment module and pipeline, heterogeneous exchange purification treatment module includes casing, air intake, primary filter screen, water tank, ventilative layer, the board that punches a hole, circulating pump, atomizer, overflow weir, fan and air outlet absorb water, the air exit of fume hood links to each other with the air intake of heterogeneous exchange purification treatment module, laboratory waste gas gets into heterogeneous exchange purification treatment module from the fume hood back of discharging down in the fan effect, through primary filter screen, the ventilative layer back that absorb water, smugglies liquid secretly and passes the board that punches a hole, forms heterogeneous exchange layer in the board top of punching a hole, and gaseous after the purification flows from the air outlet, and liquid is followed that the atomizer sprays and is lower, breathes freely by absorbing water layer to get back to the overflow weir, finally gets back to the water tank. This clean system can effectively detach particulate pollution and harmful gas in the waste gas of laboratory, is showing improvement purification efficiency, and this system uses water as purifying medium, originates extensively, and is with low costs, is convenient for realize that the industrialization is applied.
Description
Technical field
This utility model relates to air purification field, particularly relates to a kind of waste gas cleaning system being applicable to laboratory.
Background technology
Containing the most poisonous, harmful or offensive gases in laboratory exhaust gas, possibly together with many particulate pollutants, directly jeopardize health.Prior art has the toxic gas using the air purifier being placed in laboratory to carry out cleaning laboratory, such as with the purification barrel (CN201320689063) of filtration, purification material, the air cleaner (CN201320477215) containing high efficiency particulate air filter and activated carbon adsorption bag.But, air is drawn and be directly discharged into substantial amounts of laboratory exhaust gas mainly or by fume hood, and this way is self-evident to the pollution of environment.If the laboratory exhaust gas discharging fume hood only does simple filtration and absorption is discharged again, although the particle in removing exhaust gas can be removed effectively, but during absorption and filtering, filter material can progressively reach saturated, inefficacy, thus affect follow-up use, need periodic replacement, increase maintenance cost.As carried out treatment of laboratory waste gas according to technology such as electrostatic precipitation, photocatalyst, plasmas, although purification efficiency can be increased substantially, but this method can only be for specific particulate matter and organic molecule, range is narrow, and limitation is big, if produces the problems such as secondary pollution and is not yet verified, and relevant purifier is seldom used alone, being commonly used to composite type purifying device, cost is high, is difficult to popularize.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of waste gas cleaning system being applicable to laboratory, this system uses wet purification method, by contacting of water or other liquid and laboratory exhaust gas, utilize the inertial collision between drop and particulate matter, spread, cut and the effect trapping pollutant such as extruding, to reach to purify the purpose discharged again.
This utility model is to realize above-mentioned technical purpose by techniques below means.
A kind of waste gas cleaning system being applicable to laboratory, including at least one fume hood, is exchanged purified treatment module and pipeline more；Described fume hood includes exhaust outlet, arranges aerator at exhaust outlet, and the exhaust outlet of described fume hood is connected with the described air inlets being exchanged purified treatment module by pipeline more；It is exchanged purified treatment module described more and includes housing, air inlet, first filter screen, water tank, water suction air-permeable layer, punched-plate, circulating pump, nebulizer, downflow weir, blower fan and air outlet；Described air inlet is arranged on the housing sidewall position higher than water tank level, it is provided with just filter screen in described air inlet, water tank, water suction air-permeable layer, punched-plate, nebulizer, blower fan and air outlet is set gradually from bottom to top in described housing, described downflow weir is positioned at housing sidewall and is connected with water suction air-permeable layer, and described circulating pump is used for the lifting liquid from the water and water tank of downflow weir reflow tank and flows to nebulizer；Laboratory exhaust gas, after described fume hood is discharged, enters under the effect of aerator and is exchanged the pipeline that purified treatment module is connected more, enters and be exchanged purified treatment module more under fan action, and purified gas enters air from air outlet.
Further, the described air outlets being exchanged purified treatment module arrange air quality detecting device more, and whether after working well for monitoring device and detecting purification, whether the quality of laboratory exhaust gas is up to state standards.
Further, the described air outlet being exchanged purified treatment module arranges pneumatic cut-off valve and warning system more, described pneumatic cut-off valve is connected with described air quality detecting device respectively with warning system, and the laboratory exhaust gas after purifying is by air quality detecting device, when quality testing is up to standard, pneumatic cut-off valve automatically turns on, laboratory exhaust gas after purification enters air, and when quality testing is the most up to standard, pneumatic cut-off valve is closed, warning system is opened, and equipment needs maintenance.
It is further, described that to be exchanged liquid in purified treatment module water tank be acidic liquid, akaline liquid or water is more.
Further, the described housing bottoms being exchanged purified treatment module are provided with leakage fluid dram more, are used for discharging liquid in water tank；Housing side is provided with inlet, and described inlet is highly consistent with described air inlet.
Further, described punched-plate is least one layer of micropore sieve plate.
Further, described water suction air-permeable layer is by having the foam metal material of multiple through hole or hygroscopic fibre material or being sandwiched between the bilayer of absorbent material or multi-layer silk screen is made.
Further, the described purified treatment modules that are exchanged are provided with except mist layer more, described are located between nebulizer and blower fan, for removing the drop in gas further except mist layer.
In sum, the cleaning system of the laboratory exhaust gas that this utility model provides, the laboratory exhaust gas using wet purification method to discharge fume hood is discharged after purifying, by contacting of liquid and laboratory exhaust gas, utilize the inertial collision between drop and particulate matter, spread, cut and the effect trapping pollutant such as extruding, can not only effectively remove liquid or solid contaminant, and Adsorption gaseous contaminant can be passed through, applied widely.Using as medium circulation using liquid, there is not the problem that consumptive material is expensive, the maintenance cost of system is low, clean environment firendly, while draining, constantly can be piled up on filter screen after thoroughly being shifted by pollutant rather than being collected from space by pollutant.This system can process more than one fume hood expellant gas, and treating capacity is big, reduces laboratory exhaust gas and is directly discharged into pollution that air causes and the harm to health.Air quality detecting device is used to be used for whether the system of monitoring runs well and reach discharging standards, when system goes wrong, can be with on-call maintenance.Change the liquid being exchanged in purified treatment module in water tank according to the main species of laboratory exhaust gas, practical, purification efficiency is high more.
Accompanying drawing explanation
The structural representation of a kind of waste gas cleaning system embodiment being applicable to laboratory of Fig. 1.
Accompanying drawing illustrates: 1 except mist layer, 2 housings, 3 air inlets, 4 water tanks, 5 downflow weirs, 6 exhaust outlets, 7 first filter screens, 8 circulating pumps, 9 water suction air-permeable layer, 10 punched-plates, 11 nebulizers, 12 blower fans, 13 aerators, 14 air outlets, 15 fume hoods.
Detailed description of the invention
Below by way of being specifically embodied as embodiment of the present utility model is described, those skilled in the art can be understood other advantages of the present utility model and effect easily by the content disclosed by this specification.
Embodiment one
Fig. 1 is the structural representation of a kind of waste gas cleaning system embodiment being applicable to laboratory, including fume hood 15, is exchanged purified treatment module more and connects pipeline.
As shown in Figure 1, fume hood is two, all include exhaust outlet 6, aerator 13 is set at exhaust outlet 6, parallel connection between fume hood 15, the exhaust outlet 6 of its fume hood 15 is connected by pipeline with the described air inlets 3 being exchanged purified treatment module more, and aerator 13 is used for being blown into laboratory exhaust gas by pipeline and is exchanged purified treatment module more and carries out purified treatment.It is also possible to according to the treating capacity being exchanged purified treatment module several fume hood pipelines in parallel more.
It is exchanged purified treatment module more and includes housing 2, air inlet 3, water tank 4, downflow weir 5, first filter screen 7, circulating pump 8, water suction air-permeable layer 9, punched-plate 10, nebulizer 11, blower fan 12 and air outlet 14.Air inlet 3 is arranged on housing 2 sidewall position higher than water tank level, just filter screen 7 it is provided with at air inlet 3, water tank 4 and circulating pump 8 are positioned at the bottom of casing housing 2, blower fan 12 is positioned at housing 2 top, punched-plate 10 is positioned at below nebulizer 11, water suction air-permeable layer 9 it is provided with below punched-plate 10, described downflow weir 5 is positioned at housing 2 sidewall and is connected with water suction air-permeable layer 9, and the liquid in downflow weir 5 is drawn back water tank 4 by pipeline and by the liquid process lifting in water tank 4 and flows to nebulizer 11 by pipeline by described circulating pump 8.
The first filter screen 7 arranged at described air inlet 3, for intercepting the bulky grain solid contaminant in laboratory exhaust gas.
Described water suction air-permeable layer 9 can also is that pyramidal structure, by having the foam metal material of multiple through hole or hygroscopic fibre material or being sandwiched between the bilayer of absorbent material or multi-layer silk screen is made.
Described nebulizer 11 has one, is arranged on except, between mist layer 1 and punched-plate 10, increasing and decreasing number according to casing actual size.
Punched-plate 10 is a micropore sieve plate, and average pore size is 2mm, and percent opening is 0.6, and in this embodiment, punched-plate is 1, can increase and decrease according to the number of actual exhaust-gas treatment amount or fume hood.
Except mist layer 1 is arranged between nebulizer 11 and blower fan 12, for removing the drop in gas further.
Being exchanged at the air outlet 14 of purified treatment module arranging pneumatic cut-off valve and warning system (being not drawn in figure), described pneumatic cut-off valve is connected with described air quality detecting device respectively with warning system more.
Be exchanged liquid in purified treatment module water tank 4 is acidic liquid, akaline liquid or water more.Its class of liquids is changed according to the main species of laboratory exhaust gas, can be used for processing different types of laboratory exhaust gas.
Leakage fluid dram (being not drawn in figure) is arranged bottom housing 2, is used for discharging liquid in water tank；Housing side is provided with inlet (being not drawn in figure), and described inlet is highly consistent with described air inlet.
The work process of described a kind of waste gas cleaning system being applicable to laboratory is as follows: laboratory exhaust gas is after the exhaust outlet 6 of fume hood 15 is discharged, blast through aerator 13 and be exchanged the pipeline that purified treatment module is connected more, and enter be exchanged purified treatment module more by air inlet 3 under the effect of blower fan 12, during first filter screen 7 at air inlet 3, the bulky grain solid contaminant in waste gas is intercepted by first filter screen 7；Air flow direction water suction air-permeable layer 9, solid-state and gaseous contaminant in waste gas are intercepted by water suction air-permeable layer further and absorb, and are also blown afloat by the liquid that water suction air-permeable layer 9 is stored, are upward through punched-plate 10 entrainment of big quantity of fluid；Gas-liquid mixture passes through cut during the micro channel of pore sieve plate, extruding, mainly pass through with micro air bubble form, solid contaminant is wrapped up by liquid film, gaseous contaminant is absorbed by liquid film, and gas-liquid mixture enters gas-liquid switching layer after punched-plate 10 in the form of bubbles, gas-liquid switching layer above sieve plate produces a large amount of bubbles and constantly ruptures and update, greatly enhance mass transport process, gaseous state, liquid and solid contaminant are all had the highest purification efficiency.After gas-liquid switching layer, air continues up flowing, discharges from air outlet 14, liquid from nebulizer 11 spray and, water suction air-permeable layer 9 return to downflow weir 5, and be back to water tank 4 by circulating pump 8, form blood circulation.Laboratory exhaust gas after purifying is by air quality detecting device, and when quality testing is up to standard, pneumatic cut-off valve automatically turns on, laboratory exhaust gas after purification enters air, and when quality testing is the most up to standard, pneumatic cut-off valve is closed, warning system is opened, and equipment needs maintenance.
In sum, the cleaning system of the laboratory exhaust gas that this utility model provides, use wet purification method to connect after fume hood purifies to discharge, by contacting of liquid and laboratory exhaust gas, utilize the inertial collision between drop and particulate matter, spread, cut and the effect trapping pollutant such as extruding, can effectively remove liquid or solid contaminant, also can pass through Adsorption gaseous contaminant, applied widely.Using using liquid as medium circulation, the problem that there is usually no expensive consumptive material, the maintenance cost of system is low, clean environment firendly, while draining, is constantly piled up on filter screen after can thoroughly being shifted by pollutant rather than collecting from space.This system can process more than one fume hood expellant gas, and treating capacity is big, reduces laboratory exhaust gas and is directly discharged into pollution that air causes and the harm to health.Air quality detecting device is used to be used for monitoring the normal operation of system and whether reaching discharging standards, when system goes wrong, can be with on-call maintenance.Change the liquid being exchanged in purified treatment module in water tank according to the main species of laboratory exhaust gas, practical, purification efficiency is high more.
The above; it is only preferred embodiment of the present utility model; above-described embodiment only illustrative principle of the present utility model and effect thereof; and not any formal and substantial to this utility model restriction; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model method; also can make some improvement and supplement, these improve and supplement and also should be regarded as protection domain of the present utility model.All those skilled in the art, in the case of without departing from spirit and scope of the present utility model, a little change of making when available disclosed above technology contents, the equivalent variations modified and develop, it is Equivalent embodiments of the present utility model；Meanwhile, all foundation this utility model obtain the change of any equivalent variations that above-described embodiment is made by substantial technological, modify and develop, and all still fall within the range of the technical solution of the utility model.
Claims (8)
1. the waste gas cleaning system being applicable to laboratory, it is characterised in that: include at least one fume hood, be exchanged purified treatment module and pipeline more；
Described fume hood includes exhaust outlet, arranges aerator at exhaust outlet, and the exhaust outlet of described fume hood is connected with the described air inlets being exchanged purified treatment module by pipeline more；
It is exchanged purified treatment module described more and includes housing, air inlet, first filter screen, water tank, water suction air-permeable layer, punched-plate, circulating pump, nebulizer, downflow weir, blower fan and air outlet；Described air inlet is arranged on the housing sidewall position higher than water tank level, it is provided with just filter screen in described air inlet, water tank, water suction air-permeable layer, punched-plate, nebulizer, blower fan and air outlet is set gradually from bottom to top in described housing, described downflow weir is positioned at housing sidewall and is connected with water suction air-permeable layer, and described circulating pump is used for the lifting liquid from the water and water tank of downflow weir reflow tank and flows to nebulizer.
It is applicable to the waste gas cleaning system of laboratory the most as claimed in claim 1, it is characterised in that the described air outlets being exchanged purified treatment module arrange air quality detecting device more.
It is applicable to the waste gas cleaning system of laboratory the most as claimed in claim 2, it is characterized in that, the described air outlet being exchanged purified treatment module arranges pneumatic cut-off valve and warning system more, and described pneumatic cut-off valve is connected with described air quality detecting device respectively with warning system.
4. the waste gas cleaning system being applicable to laboratory as described in claims 1 to 3 is arbitrary, it is characterised in that described that to be exchanged liquid in purified treatment module water tank be acidic liquid, akaline liquid or water is more.
It is applicable to the waste gas cleaning system of laboratory the most as claimed in claim 4, it is characterised in that the described housing bottoms being exchanged purified treatment module are provided with leakage fluid dram more, are used for discharging liquid in water tank；Housing side is provided with inlet, and described inlet is highly consistent with described air inlet.
It is applicable to the waste gas cleaning system of laboratory the most as claimed in claim 1, it is characterised in that described punched-plate is least one layer of micropore sieve plate.
It is applicable to the waste gas cleaning system of laboratory the most as claimed in claim 1, it is characterised in that described water suction air-permeable layer is by having the foam metal material of multiple through hole or hygroscopic fibre material or being sandwiched between the bilayer of absorbent material or multi-layer silk screen is made.
It is applicable to the waste gas cleaning system of laboratory the most as claimed in claim 1, it is characterised in that the described purified treatment modules that are exchanged are provided with except mist layer more, described is located between nebulizer and blower fan, for removing the drop in gas further except mist layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115610.0U CN205598839U (en) | 2016-02-04 | 2016-02-04 | Exhaust gas purification system suitable for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620115610.0U CN205598839U (en) | 2016-02-04 | 2016-02-04 | Exhaust gas purification system suitable for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205598839U true CN205598839U (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620115610.0U Expired - Fee Related CN205598839U (en) | 2016-02-04 | 2016-02-04 | Exhaust gas purification system suitable for laboratory |
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| Country | Link |
|---|---|
| CN (1) | CN205598839U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497223A (en) * | 2017-08-21 | 2017-12-22 | 中国核电工程有限公司 | A kind of air cleaning unit and purification method |
| CN108465334A (en) * | 2018-06-02 | 2018-08-31 | 陈爱霞 | Waste gas purification apparatus |
| CN108654278A (en) * | 2018-06-02 | 2018-10-16 | 陈爱霞 | high efficiency air purifier |
| CN108786328A (en) * | 2018-06-02 | 2018-11-13 | 陈爱霞 | Air purification structure |
-
2016
- 2016-02-04 CN CN201620115610.0U patent/CN205598839U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497223A (en) * | 2017-08-21 | 2017-12-22 | 中国核电工程有限公司 | A kind of air cleaning unit and purification method |
| CN108465334A (en) * | 2018-06-02 | 2018-08-31 | 陈爱霞 | Waste gas purification apparatus |
| CN108654278A (en) * | 2018-06-02 | 2018-10-16 | 陈爱霞 | high efficiency air purifier |
| CN108786328A (en) * | 2018-06-02 | 2018-11-13 | 陈爱霞 | Air purification structure |
| CN108786328B (en) * | 2018-06-02 | 2021-06-08 | 江西中南环保设备有限公司 | Air purification structure |
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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: 20160928 Termination date: 20180204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |