CN208743329U - A kind of laboratory hood - Google Patents
A kind of laboratory hood Download PDFInfo
- Publication number
- CN208743329U CN208743329U CN201821335736.4U CN201821335736U CN208743329U CN 208743329 U CN208743329 U CN 208743329U CN 201821335736 U CN201821335736 U CN 201821335736U CN 208743329 U CN208743329 U CN 208743329U
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- CN
- China
- Prior art keywords
- air
- vent
- adsorption
- filtering
- purifying
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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 - Fee Related
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Abstract
The utility model provides a kind of laboratory hood, including ventilation cabinet body, air-introduced machine and filtering and purifying, the ventilation cabinet body includes operation cabinet, the operation cabinet bottom is equipped with air-vent, the air-vent is connected to the fan inlet by blast pipe, the air-introduced machine connects the filtering and purifying by discharge pipe, and the filtering and purifying is successively arranged filter device, the first purification device, the second purification device and exhaust emission tube according to airflow direction；The filter device is set in the discharge pipe, and the filter device includes the graphene TiO2 photocatalysis layer and activated carbon adsorption layer set gradually along airflow direction.The beneficial effects of the utility model are: design using air inducing under operation cabinet, reduce the influence to experimental implementation in vent cabinet, while pernicious gas being effectively prevent to shed vent cabinet, guarantees experimenter's health；Filtering and purifying is more abundant to experiment vent gas treatment using double filter screens and the attached box structure of double suction.
Description
Technical field
The utility model belongs to equipment of chemical industry field, more particularly, to a kind of laboratory hood.
Background technique
In biological or chemical laboratory, often there is poisonous and harmful or other couple of operator in the experimental bench that experiment carries out
The gas of health or security risk is caused to generate, these gases generated are spread in laboratory environment, can be along with operation
Personnel's breathing enters the internal of operator, and therefore, the environmental requirement in laboratory is generally relatively high, provides one surely to experimenter
Fixed environment is also vital for the accuracy of experimental data.Due to needing constant ventilation in vent cabinet, need pair
The gas being discharged out of cabinet is filtered, more demanding to the working condition of exhaust equipment and filter plant in vent cabinet.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of on small, the tail gas harmful components of experimental implementation influence in vent cabinet
Handle sufficient laboratory hood.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of laboratory hood, including it is logical
Wind cabinet body, air-introduced machine and filtering and purifying, the ventilation cabinet body includes operation cabinet, and the operation cabinet bottom is equipped with air-vent,
The air-vent is connected to the fan inlet by blast pipe, and the air-introduced machine connects the filtration, purification by discharge pipe
Device, the filtering and purifying according to airflow direction be successively arranged filter device, the first purification device, the second purification device and
Exhaust emission tube；The filter device is set in the discharge pipe, and the filter device includes setting gradually along airflow direction
Graphene TiO2 photocatalysis layer and activated carbon adsorption layer；First purification device includes the first adsorption box and the first adsorption tube,
First adsorption tube one end connects discharge pipe, and the other end is connected to the first adsorption box inside bottom；Second purification device
Including the second adsorption box and the second adsorption tube, second adsorption tube one end connection the first absorption upper box part, the other end is connected to
Second adsorption box inside bottom, the second absorption upper box part connect exhaust emission tube.
In technical solution, it is preferred that be equipped with waste-filling pool in the operation cabinet, connection waste-filling pool is equipped in the vent cabinet body
Water guide pipeline,
In technical solution, it is preferred that the water guide pipeline includes S type trap.
In technical solution, it is preferred that the air-vent is equipped with several wind deflectors.
In technical solution, it is preferred that the ventilation cabinet body further includes locker, and the locker is set to the ventilation cabinet body
Lower section.
In technical solution, it is preferred that the graphene TiO2 photocatalysis layer is with a thickness of 6-9mm.
In technical solution, it is preferred that the activated carbon adsorption layer is with a thickness of 10-20mm.
The utility model has the advantages and positive effects of: being designed, is reduced in vent cabinet using air inducing under operation cabinet
The influence of experimental implementation, while pernicious gas being effectively prevent to shed vent cabinet, guarantee experimenter's health；Filtration, purification dress
It sets using double filter screens and the attached box structure of double suction, it is more abundant to experiment vent gas treatment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention.
In figure:
1, ventilation cabinet body 2, operation cabinet 3, air-vent
4, blast pipe 5, air-introduced machine 6, discharge pipe
7, filter device 8, the first purification device 9, the second purification device
10, exhaust emission tube 11, graphene TiO2 photocatalysis layer 12, activated carbon adsorption layer
13, the first adsorption box 14, the first adsorption tube 15, the second adsorption box
16, the second adsorption tube 17, waste-filling pool 18, water inlet pipe
19, water guide pipeline 20, wind deflector 21, locker
Specific embodiment
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of laboratory hood, including ventilation cabinet body 1, air-introduced machine 5 and filtering are net
Makeup is set, and ventilation cabinet body 1 includes operation cabinet 2, and 2 bottom of operation cabinet is equipped with air-vent 3, and air-vent 3 is connected to air inducing by blast pipe 4
5 air inlet of machine reduces the influence to experimental implementation in vent cabinet, while effectivelying prevent nocuousness using the lower air inducing design of operation cabinet 2
Gas sheds vent cabinet, guarantees experimenter's health.
Air-introduced machine 5 connects filtering and purifying by discharge pipe 6, and filtering and purifying was successively arranged according to airflow direction
Filter device 7, purification device 8, purification device 9 and exhaust emission tube 10；Filter device 7 is set in discharge pipe 6, and filter device 7 wraps
Include the graphene TiO2 photocatalysis layer 11 and activated carbon adsorption layer 12 set gradually along airflow direction；Graphene TiO2 photocatalysis layer
11 with a thickness of 6-9mm, preferably 8mm, for the organic and inorganic pollution in the exhaust gas that adsorbs and degrade；Activated carbon adsorption layer 12
With a thickness of 10-20mm, preferably 15mm, for further adsorbing toxic and harmful gas and fume in exhaust gas.
Purification device 8 includes adsorption box 13 and adsorption tube 14, and 14 one end of adsorption tube connects discharge pipe 6, and the other end is connected to
13 inside bottom of adsorption box；Purification device 9 includes adsorption box 15 and adsorption tube 16, and 16 one end of adsorption tube connects on adsorption box 13
Portion, the other end are connected to 15 inside bottom of adsorption box, and 15 top of adsorption box connects exhaust emission tube 10, adsorption box 13, adsorption box
Not volatile faintly acid, weakly alkaline solution are injected separately into 15, for neutralizing acid-base property harmful substance in exhaust gas.Filtration, purification
Device is more abundant to experiment vent gas treatment using double filter screens and the attached box structure of double suction.
It is equipped with waste-filling pool 17 and water inlet pipe 18 in operation cabinet 2, the water guide pipeline of connection waste-filling pool 17 is equipped in ventilation cabinet body 1
19, water guide pipeline 19 connects the dedicated drainage in laboratory, and water guide pipeline 19 includes S type trap, same sewage to be discharged
When to avoid operation indoor harmful gas from entering by water guide pipeline 19 external.
Air-vent 3 is equipped with several wind deflectors 20, prevents 5 suction of air-introduced machine excessive and influences the progress of experimental implementation.
Ventilation cabinet body 1 further includes locker 21, and locker 21 is set to 1 lower section of ventilation cabinet body.
Utility model works process are as follows: in use, air-introduced machine 5 will operate pernicious gas that laboratory experiment generates from air inducing
Mouth 3 introduces in filter devices 7, the organic and inorganic pollution in the absorption of graphene TiO2 photocatalysis layer 11 and exhaust gas of degrading, living
Property charcoal adsorption layer 12 further toxic and harmful gas and fume in absorption exhaust gas；Filtered gas enters purification device
8, carried out in adsorption box 13 in acid solution and, remove the alkaline matter in tail gas, then be passed through in adsorption box 15 and carry out alkaline neutralization,
The acidic materials in tail gas are removed, outdoor is discharged finally by exhaust emission tube 10.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (7)
1. a kind of laboratory hood, it is characterised in that: including ventilation cabinet body, air-introduced machine and filtering and purifying, the ventilation
Cabinet body includes operation cabinet, the operation cabinet bottom be equipped with air-vent, the air-vent by blast pipe be connected to the air-introduced machine into
Air port, the air-introduced machine connect the filtering and purifying by discharge pipe, the filtering and purifying according to airflow direction according to
It is secondary to be equipped with filter device, the first purification device, the second purification device and exhaust emission tube；The filter device is set to the outlet air
In pipe, the filter device includes the graphene TiO2 photocatalysis layer and activated carbon adsorption layer set gradually along airflow direction；Institute
Stating the first purification device includes the first adsorption box and the first adsorption tube, and first adsorption tube one end connects discharge pipe, the other end
It is connected to the first adsorption box inside bottom；Second purification device include the second adsorption box and the second adsorption tube, described second
Adsorption tube one end connection the first absorption upper box part, the other end is connected to the second adsorption box inside bottom, on second adsorption box
Portion connects exhaust emission tube.
2. laboratory hood according to claim 1, it is characterised in that: waste-filling pool is equipped in the operation cabinet, it is described
The water guide pipeline of connection waste-filling pool is equipped in vent cabinet body.
3. laboratory hood according to claim 2, it is characterised in that: the water guide pipeline includes S type trap.
4. laboratory hood according to claim 1, it is characterised in that: the air-vent is equipped with several wind deflectors.
5. laboratory hood according to claim 1, it is characterised in that: the ventilation cabinet body further includes locker, institute
Locker is stated to be set to below the ventilation cabinet body.
6. laboratory hood according to claim 1, it is characterised in that: the graphene TiO2 photocatalysis layer with a thickness of
6-9mm。
7. laboratory hood according to claim 1, it is characterised in that: the activated carbon adsorption layer is with a thickness of 10-
20mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335736.4U CN208743329U (en) | 2018-08-17 | 2018-08-17 | A kind of laboratory hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335736.4U CN208743329U (en) | 2018-08-17 | 2018-08-17 | A kind of laboratory hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743329U true CN208743329U (en) | 2019-04-16 |
Family
ID=66080632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821335736.4U Expired - Fee Related CN208743329U (en) | 2018-08-17 | 2018-08-17 | A kind of laboratory hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208743329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888933A (en) * | 2020-07-14 | 2020-11-06 | 南宁师范大学 | Experiment fume hood clean system based on photocatalysis |
| CN114393001A (en) * | 2022-01-18 | 2022-04-26 | 司唯(徐州)环境科学研究院有限公司 | Air filtering and purifying device and laboratory environment-friendly air purification type fume hood |
| WO2023070665A1 (en) * | 2021-10-29 | 2023-05-04 | 德之昭科技(苏州)有限公司 | Ventilation cabinet having circulating self-cleaning structure |
-
2018
- 2018-08-17 CN CN201821335736.4U patent/CN208743329U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111888933A (en) * | 2020-07-14 | 2020-11-06 | 南宁师范大学 | Experiment fume hood clean system based on photocatalysis |
| WO2023070665A1 (en) * | 2021-10-29 | 2023-05-04 | 德之昭科技(苏州)有限公司 | Ventilation cabinet having circulating self-cleaning structure |
| CN114393001A (en) * | 2022-01-18 | 2022-04-26 | 司唯(徐州)环境科学研究院有限公司 | Air filtering and purifying device and laboratory environment-friendly air purification type fume hood |
| CN114393001B (en) * | 2022-01-18 | 2023-12-22 | 司唯(徐州)环境科学研究院有限公司 | Air filtration purifier and laboratory are with environmental protection net gas formula fume chamber |
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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 |
Granted publication date: 20190416 Termination date: 20200817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |