CN204074679U - A kind of lower return air spray vent cabinet - Google Patents
A kind of lower return air spray vent cabinet Download PDFInfo
- Publication number
- CN204074679U CN204074679U CN201420500204.7U CN201420500204U CN204074679U CN 204074679 U CN204074679 U CN 204074679U CN 201420500204 U CN201420500204 U CN 201420500204U CN 204074679 U CN204074679 U CN 204074679U
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- China
- Prior art keywords
- water
- cabinet
- vent cabinet
- nozzle
- upper plate
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- 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 - Lifetime
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- 239000007921 spray Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000000779 smoke Substances 0.000 claims abstract description 16
- 239000003595 mist Substances 0.000 claims abstract description 15
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 238000005286 illumination Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 23
- 239000010805 inorganic waste Substances 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000000567 combustion gas Substances 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a kind of lower return air spray vent cabinet, be made up of cabinet and water mist sprinkling system two parts, water mist sprinkling system body is positioned at the downside of operating desk, and cabinet is provided with the operating table surface be connected with front crosspiece; Described operating table surface is bottom-up is provided with chin spoiler, baffle upper plate, backboard, left side plate, top board, illuminations, gas skirt, and is provided with exhaust outlet between chin spoiler and baffle upper plate; Air-return duct is provided with between described baffle upper plate and backboard; Devil liquor recovery groove is provided with between described chin spoiler and backboard; The side of described top board is provided with adjustable door and upper cover plate; Described water mist sprinkling system body top is provided with current equalizer one, nozzle one, current equalizer two, nozzle two, water smoke recover successively.The utility model uses lower return air fountain, can effective combustion gas, can prevent from again being formed returned acid above operating desk, effectively can also absorb inorganic waste gases.
Description
Technical field
The utility model relates to vent cabinet field, is specially a kind of lower return air spray vent cabinet.
Background technology
The toxic emission (local exhaust) of vent cabinet for laboratory is typically provided with in laboratory, vent cabinet can by the poisonous and harmful produced in experimentation, have peculiar smell, flammable explosive gas or dust, corrosive gas and moisture etc. to discharge laboratory, play the function of forced ventilating.Existing vent cabinet is typically designed to air-exhaust type, and air-flow passes through bottom adjustable door and enters in vent cabinet between table top (front cross member), and the gas skirt being advanced into vent cabinet top on upper, middle and lower exhaust outlet is direct imports exhaust duct.
When exhaust air rate and surface wind speed constant (according to corresponding standard), this structure is applicable to discharge the waste gas that proportion is comparatively light, humidity is lower.Comparatively large for discharge proportion, the waste gas poor effect that humidity is higher, is in particular in following two aspects: 1, toxic emission is slow, can not drain timely and effectively, and be accumulated in vent cabinet when producing relatively large heavy gas at short notice, or overflows outside vent cabinet; 2, when discharging the higher or corrosive gas of humidity, due to the effect of the temperature difference, easily form condensate liquid or corrosive liquids at vent cabinet inwall, final drippage and flowing backwards on table top, this kind of phenomenon is obvious at deflector, backboard, top board and exhaust hood place.It not only can affect healthy, service life that also can shorten vent cabinet and system equipment of staff, and the waste gas of directly discharge also can cause atmosphere pollution.
Utility model content
Producing to fully meet, testing emissions requirements, the emission problem of waste gas under solution high humidity, high temperature, severe corrosive environment; Reach and effectively absorb inorganic waste gases and a small amount of organic exhaust gas; Improve the security that vent cabinet uses; Extend the service life of vent cabinet and exhaust system; More effective protection of the environment, the utility model provides a kind of lower return air spray vent cabinet.
The technical problem that the utility model solves realizes by the following technical solutions:
A kind of lower return air spray vent cabinet, be made up of cabinet and water mist sprinkling system two parts, water mist sprinkling system is positioned at the downside of cabinet, cabinet comprises operating table surface, front crosspiece, backboard, left side plate, upper cover plate, adjustable door, chin spoiler, baffle upper plate, top board, lighting, gas skirt, devil liquor recovery groove, water mist sprinkling system comprises circulation water vat, spray feed pipe, water circulating pump, spraying supercharging feedwater piping, nozzle one, current equalizer one, nozzle two, current equalizer two, water smoke recover, spray water return pipeline, water vat water supply line and external member, water tank spill pipeline and external member, water vat drainage pipeline and external member, water vat feeds intake observation window, water jar covers, cabinet is provided with the operating table surface be connected with front crosspiece, described operating table surface is bottom-up is provided with chin spoiler, baffle upper plate, backboard, left side plate, top board, illuminations, gas skirt, and is provided with exhaust outlet between chin spoiler and baffle upper plate, air-return duct is provided with between described baffle upper plate and backboard, devil liquor recovery groove is provided with between described chin spoiler and backboard, the side of described top board is provided with adjustable door and upper cover plate, described water mist sprinkling system body top is provided with current equalizer one, nozzle one, current equalizer two, nozzle two, water smoke recover successively.
As preferably, described vent cabinet adopts lower return air fountain, air-flow is by entering in vent cabinet with top board top air holes bottom adjustable door and between front cross member, exhaust outlet between baffle upper plate and chin spoiler, air-return duct is entered after coming downwards to devil liquor recovery groove, fused with water smoke by current equalizer, up and low speed, by after water smoke recover or organic exhaust gas absorber, enters gas skirt and imports exhaust duct; If air-flow forms condensate liquid under the effect of natural temperature differential on baffle upper plate and air-return duct inwall, they will be back in devil liquor recovery groove together with Sprayer Circulation water, be imported by spray water return pipeline and will be stored in circulation water vat.
As preferably, described vent cabinet can be selected to install nozzle one or nozzle two according to the actual requirements.
As preferably, select between described top board and gas skirt water smoke recover and organic exhaust gas absorber are installed.
As preferably, described vent cabinet each position material can select various metal and nonmetallic materials and various synthetic material according to different experimental situations, while meeting instructions for use, reduce equipment cost.
The utility model uses lower return air fountain, can effective combustion gas, can prevent from again forming returned acid above operating desk, effectively can also absorb inorganic waste gases, suitable material is added by scientific and reasonable design, various requirement of experiment can not only be met, the service life of blower fan, airduct can also be extended, cost-saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is operation logic figure of the present utility model.
Fig. 3 is the enlarged drawing of Sprayer Circulation water system.
Detailed description of the invention
In order to make actualizing technology means of the present utility model, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, set forth the utility model further.
As Figure 1-3, a kind of lower return air spray vent cabinet, be made up of cabinet 1 and water mist sprinkling system 16 two parts, water mist sprinkling system 16 is positioned at the downside of cabinet 1, cabinet 1 comprises operating table surface 2, front crosspiece 3, backboard 4, left side plate 5, upper cover plate 6, adjustable door 7, chin spoiler 8, baffle upper plate 9, top board 10, lighting 11, gas skirt 12, devil liquor recovery groove 13, water mist sprinkling system 16 comprises circulation water vat 19, spray feed pipe 20, water circulating pump 21, spraying supercharging feedwater piping 22, nozzle 1, current equalizer 1, nozzle 2 24, current equalizer 2 15, water smoke recover 31, spray water return pipeline 25, water vat water supply line and external member 26, water tank spill pipeline and external member 27, water vat drainage pipeline and external member 28, water vat feeds intake observation window 29, water jar covers 30, cabinet 1 is provided with the operating table surface 2 be connected with front crosspiece 3, described operating table surface 2 is bottom-up is provided with chin spoiler 8, baffle upper plate 9, backboard 4, left side plate 5, top board 10, illuminations 11, gas skirt 12, and is provided with exhaust outlet 17 between chin spoiler 8 and baffle upper plate 9, air-return duct 18 is provided with between described baffle upper plate 9 and backboard 4, devil liquor recovery groove 13 is provided with between described chin spoiler 8 and backboard 4, the side of described top board 10 is provided with adjustable door 7 and upper cover plate 6, described water mist sprinkling system 16 body top is provided with current equalizer 1, nozzle 1, current equalizer 2 15, nozzle 2 24, water smoke recover 31 successively.
As preferably, described vent cabinet adopts lower return air fountain, air-flow is by entering in vent cabinet with top board 10 top air holes bottom adjustable door 7 and between front cross member 3, exhaust outlet 17 between baffle upper plate 9 and chin spoiler 8, air-return duct 18 is entered after coming downwards to devil liquor recovery groove 13, fused with water smoke by current equalizer, up and low speed, by after water smoke recover or organic exhaust gas absorber 31, enters gas skirt 12 and imports exhaust duct; If air-flow forms condensate liquid under the effect of natural temperature differential on baffle upper plate 9 and air-return duct 18 inwall, they will be back in devil liquor recovery groove 13 together with Sprayer Circulation water, be imported by spray water return pipeline 25 and will be stored in circulation water vat 19.
As preferably, described vent cabinet can be selected to install nozzle 1 or nozzle 2 24 according to the actual requirements.
As preferably, can select between described top board 10 and gas skirt 12 water smoke recover and organic exhaust gas absorber 31 are installed.
As preferably, described vent cabinet each position material can select various metal and nonmetallic materials and various synthetic material according to different experimental situations, while meeting instructions for use, reduce equipment cost.
The utility model uses lower return air fountain, can effective combustion gas, can prevent from again forming returned acid above operating desk, effectively can also absorb inorganic waste gases, suitable material is added by scientific and reasonable design, various requirement of experiment can not only be met, the service life of blower fan, airduct can also be extended, cost-saving.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a lower return air spray vent cabinet, it is characterized in that: be made up of cabinet and water mist sprinkling system two parts, water mist sprinkling system is positioned at the downside of cabinet, cabinet comprises operating table surface, front crosspiece, backboard, left side plate, upper cover plate, adjustable door, chin spoiler, baffle upper plate, top board, lighting, gas skirt, devil liquor recovery groove, water mist sprinkling system comprises circulation water vat, spray feed pipe, water circulating pump, spraying supercharging feedwater piping, nozzle one, current equalizer one, nozzle two, current equalizer two, water smoke recover, spray water return pipeline, water vat water supply line and external member, water tank spill pipeline and external member, water vat drainage pipeline and external member, water vat feeds intake observation window, water jar covers, cabinet is provided with the operating table surface be connected with front crosspiece, described operating table surface is bottom-up is provided with chin spoiler, baffle upper plate, backboard, left side plate, top board, illuminations, gas skirt, and is provided with exhaust outlet between chin spoiler and baffle upper plate, air-return duct is provided with between described baffle upper plate and backboard, devil liquor recovery groove is provided with between described chin spoiler and backboard, the side of described top board is provided with adjustable door and upper cover plate, described water mist sprinkling system body top is provided with current equalizer one, nozzle one, current equalizer two, nozzle two, water smoke recover successively.
2. return air spray vent cabinet under one according to claim 1, it is characterized in that: described vent cabinet adopts lower return air fountain, air-flow is by entering in vent cabinet with top board top air holes bottom adjustable door and between front cross member, exhaust outlet between baffle upper plate and chin spoiler, air-return duct is entered after coming downwards to devil liquor recovery groove, fused with water smoke by current equalizer, up and low speed, by after water smoke recover or organic exhaust gas absorber, enters gas skirt and imports exhaust duct; If air-flow forms condensate liquid under the effect of natural temperature differential on baffle upper plate and air-return duct inwall, they will be back in devil liquor recovery groove together with Sprayer Circulation water, be imported by spray water return pipeline and will be stored in circulation water vat.
3. return air spray vent cabinet under one according to claim 1, is characterized in that: described vent cabinet can be selected to install nozzle one or nozzle two according to the actual requirements.
4. return air spray vent cabinet under one according to claim 1, is characterized in that: can select between described top board and gas skirt to install water smoke recover and organic exhaust gas absorber.
5. return air spray vent cabinet under one according to claim 1, is characterized in that: described vent cabinet each position material can select various metal and nonmetallic materials and various synthetic material according to different experimental situations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500204.7U CN204074679U (en) | 2014-08-22 | 2014-08-22 | A kind of lower return air spray vent cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500204.7U CN204074679U (en) | 2014-08-22 | 2014-08-22 | A kind of lower return air spray vent cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204074679U true CN204074679U (en) | 2015-01-07 |
Family
ID=52167444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500204.7U Expired - Lifetime CN204074679U (en) | 2014-08-22 | 2014-08-22 | A kind of lower return air spray vent cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204074679U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391638A (en) * | 2016-11-21 | 2017-02-15 | 成都土壤肥料测试中心 | Strong acid/base-resistant lower exhaust ventilation cabinet |
| CN108405542A (en) * | 2017-02-09 | 2018-08-17 | 王楚平 | Rinsing type laboratory hood |
| CN108592283A (en) * | 2018-05-25 | 2018-09-28 | 北京普莱德斯工程技术有限责任公司 | A kind of ventilating system |
| CN108941139A (en) * | 2017-05-17 | 2018-12-07 | 奥卓莱流体科技（上海）有限公司 | Shower type washes sour laboratory hood |
| CN111672857A (en) * | 2020-06-17 | 2020-09-18 | 王清玉 | Active safety type energy-saving exhaust cabinet |
| CN113441508A (en) * | 2021-05-20 | 2021-09-28 | 广东天赐湾实验室装备制造有限公司 | Cabinet type experiment workstation |
-
2014
- 2014-08-22 CN CN201420500204.7U patent/CN204074679U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391638A (en) * | 2016-11-21 | 2017-02-15 | 成都土壤肥料测试中心 | Strong acid/base-resistant lower exhaust ventilation cabinet |
| CN108405542A (en) * | 2017-02-09 | 2018-08-17 | 王楚平 | Rinsing type laboratory hood |
| CN108941139A (en) * | 2017-05-17 | 2018-12-07 | 奥卓莱流体科技（上海）有限公司 | Shower type washes sour laboratory hood |
| CN108941139B (en) * | 2017-05-17 | 2023-10-31 | 奥卓莱流体科技（上海）有限公司 | Shower type acid-washing exhaust cabinet |
| CN108592283A (en) * | 2018-05-25 | 2018-09-28 | 北京普莱德斯工程技术有限责任公司 | A kind of ventilating system |
| CN111672857A (en) * | 2020-06-17 | 2020-09-18 | 王清玉 | Active safety type energy-saving exhaust cabinet |
| CN113441508A (en) * | 2021-05-20 | 2021-09-28 | 广东天赐湾实验室装备制造有限公司 | Cabinet type experiment workstation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Jia Chunxing Document name: Notification of Termination of Patent Right |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Jiang Yabing Document name: Notice of conformity |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |