CN105311911B - Vent cabinet filter is used in one kind experiment - Google Patents
Vent cabinet filter is used in one kind experiment Download PDFInfo
- Publication number
- CN105311911B CN105311911B CN201510769876.7A CN201510769876A CN105311911B CN 105311911 B CN105311911 B CN 105311911B CN 201510769876 A CN201510769876 A CN 201510769876A CN 105311911 B CN105311911 B CN 105311911B
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- China
- Prior art keywords
- sealing plate
- gas
- cabinet
- jetter
- plate
- 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
Links
- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 56
- 238000010521 absorption reaction Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 241000220317 Rosa Species 0.000 claims abstract description 19
- 239000003610 charcoal Substances 0.000 claims abstract description 13
- 241000196324 Embryophyta Species 0.000 claims abstract description 12
- 230000001954 sterilising effect Effects 0.000 claims abstract description 10
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 10
- 239000003513 alkali Substances 0.000 claims abstract description 7
- 239000002250 absorbent Substances 0.000 claims abstract description 6
- 230000002745 absorbent Effects 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 13
- 230000009469 supplementation Effects 0.000 claims description 13
- 238000005554 pickling Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 11
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 claims description 9
- 239000003518 caustics Substances 0.000 claims description 7
- 239000011941 photocatalyst Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 28
- 239000002912 waste gas Substances 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 8
- 239000002253 acid Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 4
- 230000009123 feedback regulation Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
The present invention provides a kind of experiment and uses vent cabinet filter, one end of Rose Box is provided with air inlet, the other end of Rose Box is provided with exhaust outlet, and sour absorption plant, Alkali absorption device, absorbent charcoal adsorber, ultraviolet sterilization apparatus, jetter, gas drier and gas-detecting device are disposed between air inlet and exhaust outlet.The present invention is by setting multiple gas-filtering device, waste gas can be controlled in the scope of safety well, by setting multiple sealing plates, can be uniform by gas, thoroughly filter one by one, simultaneously, detection means is set, can be according to the data of detection means, the concentration for the solution that automatic feedback regulation soda acid absorbs, so that gas reaches safety, the requirement of environmental protection, simultaneously, jetter is set, being capable of effective further processing gas, the vent cabinet filter of the present invention, effective processing of realization experiment waste gas that can be most preferably, reach the emission request of environmental protection.
Description
Technical field
The present invention relates to experiment aeration technology field, specially a kind of device with purification of air and humidification function,
Belong to experiment purification of air and processing equipment technical field.
Background technology
Laboratory hood is indispensable part in lab design.In order that laboratory worker from
The chemical substance that some are poisonous, can causing a disease or toxicity is not clear is sucked, laboratory there should be good ventilation to avoid some steamings
The absorption of vapour, gas and particulate (smog, coal smoke, dust etc.), polluter must use vent cabinet, ventilator cowling or local ventilation
Method remove.But although current ventilation cabinet is simple, poor to the filter effect of experiment waste gas, filtering is not
Thoroughly, it is impossible to really reach and waste gas is filled into safe state, there is certain threat to environment.
Based on above technical problem, the invention provides a kind of experiment vent cabinet filter, its is rational in infrastructure, passes through
Multiple gas-filtering device is set, waste gas can be controlled in the scope of safety well, by setting multiple sealing plates,
Gas can uniformly, thoroughly be filtered one by one, meanwhile, detection means is set, can be automatic anti-according to the data of detection means
The concentration for the solution that feedback regulation soda acid absorbs so that gas reaches safe and environment-friendly requirement, meanwhile, jetter is set, can
Effective further processing gas, vent cabinet filter of the invention, effective processing of realization experiment waste gas that can be most preferably,
Reach the emission request of environmental protection.
The content of the invention
It is an object of the invention to provide a kind of structure and using simply, rationally, cost is low, stable performance, service life length
A kind of experiment use vent cabinet filter.
To achieve the above object, the present invention adopts the following technical scheme that：Vent cabinet filter is used in one kind experiment, and it includes
Cabinet, rubbish placing box, glass isolating door, air-suction cover, deflector and Rose Box, it is characterised in that described cabinet is set by wall
Put, the bottom of the cabinet is provided with the rubbish placing box, and glass isolating door, institute are provided with above the rubbish placing box
State and the air-suction cover is provided with above glass isolating door, the deflector, the water conservancy diversion are provided with above the air-suction cover
The top of plate connects with the Rose Box, and one end of the Rose Box is provided with air inlet, and the other end of the Rose Box is set
There is exhaust outlet, sour absorption plant, Alkali absorption device, charcoal absorption are disposed between the air inlet and the exhaust outlet
Device, ultraviolet sterilization apparatus, jetter, gas drier and gas-detecting device.
Further, preferably, being provided with centrifugal blower in the cabinet shell of the inlet port of the Rose Box, it is described from
The one end of scheming away from air inlet is provided with sealing plate one, and the sealing plate is embedded in the cabinet shell, the sealing plate
Upper to be connected by breather line with sour absorption plant, the sour absorption plant connects with Alkali absorption device, wherein, the acid absorbs
Device includes adjusting control valve, snap joint, liquid supplementation channel and pickling tank, and the breather line of the sealing plate one stretches into the acid
Also connect in Acidwash solution in cleaning of evaporator, on the pickling tank and connect in the side of outlet pipe, the opposite side of the outlet pipe
Logical to extend into the solution of caustic treater, the outlet pipe of the caustic treater connects after stretching into sealing plate two with photocatalyst tourie,
Liquid supplementation channel is also communicated with the pickling tank, is provided with the snap joint in the liquid supplementation channel, the snap joint with
Adjusting control valve is provided between the liquid supplementation channel, sealing plate three is additionally provided with the outlet side of the photocatalyst tourie,
The absorbent charcoal adsorber is charcoal absorption plate, and the charcoal absorption plate is arranged on the sealing plate three and sealing plate four
Between, the ultraviolet sterilization apparatus, the ultraviolet sterilization apparatus bag are provided between the sealing plate four and sealing plate five
Ultraviolet generater and titanium dioxide titanium plate are included, the ultraviolet generater is arranged on the inwall of the cabinet shell, and described two
It is vertically arranged between oxidation titanium plate and the ultraviolet generater, the breather line at the sealing plate five and the jetter
Connection, the jetter include shower nozzle mounting disc and multiple shower nozzles, wherein, the shower nozzle mounting disc installation is fixedly installed on case
On the inwall of body case, the shower nozzle is disposed side by side in the shower nozzle mounting disc, and the gas drying box fills with the hydro-peening
Connection is put, the gas detection case is connected with the gas drying box, and the exhaust outlet is provided with the gas detection case.
Further, preferably, the rubbish placing box is at least mutually isolated three.
Further, preferably, at least provided with PH detection probes and dust detection probe in the gas-detecting device.
Further, preferably, the air-suction cover is up-small and down-big pyramidal structure.
Further, preferably, at least equidistantly arrange three of the titanium dioxide titanium plate.
Further, preferably, the sealing plate one, sealing plate two, sealing plate three, sealing plate four and sealing plate five are adopted
It is arranged on embedded mode on the inwall of the cabinet shell, and fluid sealant is coated with embedded point.
Further, preferably, the exhaust ports are provided with accessory fan.
Further, preferably, breather line is made of corrosion resistant stainless-steel pipe.
The beneficial effects of the present invention are：
Vent cabinet filter is used in a kind of experiment provided by the invention, and its is rational in infrastructure, by setting multiple gas mistake
Filter device, waste gas can be controlled in the scope of safety well, by setting multiple sealing plates, can by gas uniformly,
Thoroughly filter one by one, meanwhile, detection means is set, can be absorbed according to the data of detection means, automatic feedback regulation soda acid
Solution concentration so that gas reaches safe and environment-friendly requirement, meanwhile, set jetter, effectively can further locate
Process gases, vent cabinet filter of the invention, effective processing of realization experiment waste gas that can be most preferably, reach the discharge of environmental protection
It is required that.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of experiment vent cabinet filter of the present invention；
Fig. 2 is a kind of internal structure schematic diagram of the Rose Box of experiment vent cabinet filter of the present invention；
Wherein, 1, cabinet, 2, rubbish placing box, 3, glass isolating door, 4, air-suction cover, 5, deflector, 6, Rose Box, 7, from
Heart blower fan, 8, sealing plate one, 9, breather line, 10, adjusting control valve, 11, snap joint, 12, liquid supplementation channel, 13, pickling tank,
14th, caustic treater, 15, photocatalyst tourie, 16, charcoal absorption plate, 17, ultraviolet generater, 18, titanium dioxide titanium plate, 19, spray
Head mounting disc, 20, shower nozzle, 21, gas drying box, 22, gas detection case, 23, exhaust outlet, 24. cabinet shells, 25. air inlets,
26th, sealing plate two, 27, sealing plate three, 28, sealing plate four, 29, sealing plate five.
Embodiment
Come to carry out the present invention detailed description below in conjunction with accompanying drawing.It should be appreciated, however, that accompanying drawing has been provided only more
Understand the present invention well, they should not be interpreted as limitation of the present invention.
As shown in Figure 1-2, the present invention provides a kind of experiment and uses vent cabinet filter, and it includes cabinet 1, rubbish placing box
2nd, glass isolating door 3, air-suction cover 4, deflector 5 and Rose Box 6, it is characterised in that described cabinet 1 is set by wall, the cabinet
The bottom of body 1 is provided with the rubbish placing box 2, and the top of the rubbish placing box 2 is provided with glass isolating door 3, the glass
The top of glass isolating door 3 is provided with the air-suction cover 4, and the top of the air-suction cover 4 is provided with the deflector 5, the water conservancy diversion
The top of plate 5 connects with the Rose Box 6, and one end of the Rose Box 6 is provided with air inlet 25, the other end of the Rose Box
Be provided with exhaust outlet 23, be disposed between the air inlet 25 and the exhaust outlet 23 sour absorption plant, Alkali absorption device,
Absorbent charcoal adsorber, ultraviolet sterilization apparatus, jetter, gas drier and gas-detecting device.
In the present embodiment, centrifugal blower 7 is provided with the cabinet shell 24 of the inlet port of the Rose Box 6, it is described
The one end of centrifuge 7 away from air inlet is provided with sealing plate 1, and the sealing plate one is embedded in the cabinet shell 24, institute
To state and connected on sealing plate one by breather line 9 with sour absorption plant, the sour absorption plant connects with Alkali absorption device, its
In, the sour absorption plant includes adjusting control valve 10, snap joint 11, liquid supplementation channel 12 and pickling tank 13, the sealing plate
One 8 breather line is stretched into the Acidwash solution in the pickling tank, is also connected the one of outlet pipe on the pickling tank 13
Side, the opposite side connection of the outlet pipe are extend into the solution of caustic treater 14, and the outlet pipe of the caustic treater 14 stretches into
Connected after sealing plate 2 26 with photocatalyst tourie 15, liquid supplementation channel 12, the liquid supplementation pipe are also communicated with the pickling tank 13
The snap joint 11 is provided with road 12, adjusting control valve is provided between the snap joint 11 and the liquid supplementation channel 12
10, sealing plate 3 27 is additionally provided with the outlet side of the photocatalyst tourie 15, and the absorbent charcoal adsorber is activated carbon
Adsorption plate 16, the charcoal absorption plate 16 are arranged between the sealing plate 3 27 and sealing plate 4 28, the sealing plate four
The ultraviolet sterilization apparatus is provided between 28 and sealing plate 5 29, the ultraviolet sterilization apparatus includes ultraviolet generater
17 and titanium dioxide titanium plate 18, the ultraviolet generater 17 be arranged on the inwall of the cabinet shell, the titanium dioxide titanium plate
It is vertically arranged between 18 and the ultraviolet generater 17, the breather line at the sealing plate 5 29 connects with the jetter
Logical, the jetter includes shower nozzle mounting disc 19 and multiple shower nozzles 20, wherein, the installation of shower nozzle mounting disc 19 fixed setting
On the inwall of outside the enclosure shell, the shower nozzle 20 is disposed side by side in the shower nozzle mounting disc 19, the gas drying box 21 with
The jetter connection, the gas detection case 22 are connected with the gas drying box 21, set on the gas detection case 22
It is equipped with the exhaust outlet 23.
For the ease of classifying to rubbish, the rubbish placing box 2 is at least mutually isolated three.The gas inspection
Survey in device at least provided with PH detection probes and dust detection probe.The air-suction cover 4 is up-small and down-big pyramidal structure.Institute
State three that titanium dioxide titanium plate 18 at least equidistantly arranges.The sealing plate one, sealing plate two, sealing plate three, sealing plate four
It is arranged on sealing plate five by the way of embedded on the inwall of the cabinet shell, and fluid sealant is coated with embedded point.
The exhaust ports are provided with accessory fan.Breather line is made of corrosion resistant stainless-steel pipe.
The present invention is rational in infrastructure, by setting multiple gas-filtering device, can control waste gas in safety well
In the range of, by setting multiple sealing plates, gas can uniformly, thoroughly be filtered one by one, meanwhile, detection means is set,
The concentration for the solution that can be absorbed according to the data of detection means, automatic feedback regulation soda acid so that gas reaches safe and environment-friendly
Requirement, meanwhile, jetter is set, can effective further processing gas, vent cabinet filter of the invention can
Effective processing of optimal realization experiment waste gas, reach the emission request of environmental protection.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, it can also make a variety of changes and modification, thus it is all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (5)
1. vent cabinet filter is used in one kind experiment, it includes cabinet, rubbish placing box, glass isolating door, air-suction cover, deflector
And Rose Box, it is characterised in that described cabinet is set by wall, and the bottom of the cabinet is provided with the rubbish placing box, institute
State and glass isolating door is provided with above rubbish placing box, the air-suction cover is provided with above the glass isolating door, it is described
The deflector is provided with above air-suction cover, the top of the deflector connects with the Rose Box, and the one of the Rose Box
End is provided with air inlet, and the other end of the Rose Box is provided with exhaust outlet, between the air inlet and the exhaust outlet successively
It is provided with sour absorption plant, Alkali absorption device, absorbent charcoal adsorber, ultraviolet sterilization apparatus, jetter, gas and dries dress
Put and gas-detecting device, the rubbish placing box are at least mutually isolated three, at least set in the gas-detecting device
It is equipped with PH detection probes and dust detection probe, the air-suction cover is up-small and down-big pyramidal structure, the air inlet of the Rose Box
Centrifugal blower is provided with the cabinet shell at mouth end, the one end of the centrifuge away from air inlet is provided with sealing plate one, described
Sealing plate one is embedded in the cabinet shell, is connected on the sealing plate one by breather line with sour absorption plant, described
Sour absorption plant connects with Alkali absorption device, wherein, the sour absorption plant includes adjusting control valve, snap joint, liquid supplementation pipe
Road and pickling tank, the breather line of the sealing plate one are stretched into the Acidwash solution in the pickling tank, on the pickling tank also
Connection is extend into the solution of caustic treater in the side of outlet pipe, the opposite side connection of the outlet pipe, the caustic treater
Outlet pipe stretch into sealing plate two after connected with photocatalyst tourie, liquid supplementation channel is also communicated with the pickling tank, it is described
The snap joint is provided with liquid supplementation channel, adjusting control valve is provided between the snap joint and the liquid supplementation channel,
Sealing plate three is additionally provided with the outlet side of the photocatalyst tourie, the absorbent charcoal adsorber is charcoal absorption plate,
The charcoal absorption plate is arranged between the sealing plate three and sealing plate four, is set between the sealing plate four and sealing plate five
The ultraviolet sterilization apparatus is equipped with, the ultraviolet sterilization apparatus includes ultraviolet generater and titanium dioxide titanium plate, the purple
Outside line generator is arranged on the inwall of the cabinet shell, vertical between the titanium dioxide titanium plate and the ultraviolet generater
Set, the breather line at the sealing plate five connect with the jetter, the jetter including shower nozzle mounting disc with
Multiple shower nozzles, wherein, the shower nozzle mounting disc installation is fixedly installed on the inwall of cabinet shell, and the shower nozzle is disposed side by side on
In the shower nozzle mounting disc, the gas drying box is connected with the jetter, and the gas detection case is done with the gas
Dry case is connected, and the exhaust outlet is provided with the gas detection case.
2. vent cabinet filter is used in a kind of experiment according to claim 1, it is characterised in that the titanium dioxide titanium plate is extremely
Few is three equidistantly arranged.
3. vent cabinet filter is used in a kind of experiment according to claim 1, it is characterised in that the sealing plate one, close
Shrouding two, sealing plate three, sealing plate four and sealing plate five are arranged on the inwall of the cabinet shell by the way of embedded,
And it is coated with fluid sealant at embedded point.
4. vent cabinet filter is used in a kind of experiment according to claim 1, it is characterised in that the exhaust ports are set
There is accessory fan.
5. a kind of experiment vent cabinet filter according to right wants 1, it is characterised in that breather line is using corrosion-resistant
Stainless-steel pipe be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769876.7A CN105311911B (en) | 2015-11-11 | 2015-11-11 | Vent cabinet filter is used in one kind experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769876.7A CN105311911B (en) | 2015-11-11 | 2015-11-11 | Vent cabinet filter is used in one kind experiment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105311911A CN105311911A (en) | 2016-02-10 |
| CN105311911B true CN105311911B (en) | 2017-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510769876.7A Expired - Fee Related CN105311911B (en) | 2015-11-11 | 2015-11-11 | Vent cabinet filter is used in one kind experiment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105311911B (en) |
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| CN107052017B (en) * | 2017-06-16 | 2019-09-10 | 淄博豪迈实验室装备有限公司 | A kind of dedicated ventilation equipment in Environment-friendlycorrosion-resistant corrosion-resistant type laboratory |
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| CN110115923A (en) * | 2019-05-06 | 2019-08-13 | 上海坦泽环保科技有限公司 | It is a kind of for examining the technique of testing laboratory's exhaust-gas treatment |
| CN110355173B (en) * | 2019-06-29 | 2020-11-20 | 新海创嘉美(北京)工程科技有限公司 | Self-adaptive variable air volume ventilation cabinet |
| CN110548743A (en) * | 2019-08-26 | 2019-12-10 | 北京戴纳实验科技有限公司 | special laboratory ventilation equipment with arc-shaped inner cavity |
| CN111076321A (en) * | 2019-12-26 | 2020-04-28 | 中信戴卡股份有限公司 | Laboratory air purification system |
| CN112404084A (en) * | 2021-01-11 | 2021-02-26 | 张春艳 | Ventilation cabinet for food laboratory |
| CN114871234B (en) * | 2022-05-23 | 2023-04-07 | 华北电力大学（保定） | Movable biological safety type air exhaust efficient filtering device |
| CN115463933B (en) * | 2022-10-11 | 2024-04-09 | 安徽省义广实验室装备制造有限公司 | Environment-friendly laboratory fume chamber with exhaust gas purification function |
| CN116140321A (en) * | 2023-03-06 | 2023-05-23 | 广西艾科普高新技术有限公司 | Laboratory does not have pipeline ventilation equipment |
| CN116638034B (en) * | 2023-06-26 | 2024-01-23 | 山东爱迪斯智能科技有限公司 | Preliminary press forming machine of steel wire clothes hanger |
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| JP2003284918A (en) * | 2002-03-28 | 2003-10-07 | Sumitomo Heavy Ind Ltd | Exhaust gas treatment apparatus |
| CN101642721A (en) * | 2009-08-24 | 2010-02-10 | 吴江市宏达通风制冷设备厂 | Dual-purpose fume chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI225425B (en) * | 2003-04-29 | 2004-12-21 | Univ Nat Chiao Tung | System and process for treating waste gas employing bio-treatment technology |
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|---|---|---|---|---|
| JP2003284918A (en) * | 2002-03-28 | 2003-10-07 | Sumitomo Heavy Ind Ltd | Exhaust gas treatment apparatus |
| CN101642721A (en) * | 2009-08-24 | 2010-02-10 | 吴江市宏达通风制冷设备厂 | Dual-purpose fume chamber |
| CN101642672A (en) * | 2009-08-24 | 2010-02-10 | 吴江市宏达通风制冷设备厂 | Purification treatment device for return air of fume hood |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105311911A (en) | 2016-02-10 |
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