CN211217951U - Fume hood for laboratory - Google Patents
Fume hood for laboratory Download PDFInfo
- Publication number
- CN211217951U CN211217951U CN201921858567.7U CN201921858567U CN211217951U CN 211217951 U CN211217951 U CN 211217951U CN 201921858567 U CN201921858567 U CN 201921858567U CN 211217951 U CN211217951 U CN 211217951U
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- China
- Prior art keywords
- chamber
- fume hood
- air collecting
- air
- fume
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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.)
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- 239000003517 fume Substances 0.000 title claims abstract description 33
- 238000009423 ventilation Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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- Devices For Use In Laboratory Experiments (AREA)
- Ventilation (AREA)
Abstract
The utility model discloses a laboratory fume hood, which comprises a fume hood body, wherein an operation table is horizontally arranged in the fume hood body, the operation table divides the fume hood body into a fume chamber and a storage chamber positioned at the bottom of the fume chamber, an air collecting chamber is arranged at the top end in the fume chamber, an exhaust fan is arranged in the air collecting chamber, the bottom of the air collecting chamber is connected with a flexible hose capable of being adjusted universally, the bottom of the flexible hose is connected with an air collecting cover, and the air collecting cover is communicated with the air collecting chamber through the flexible hose; a side air channel communicated with the air collecting chamber is arranged on the side wall of the ventilation chamber, and a side air hole is formed in the side wall of the side air channel facing the ventilation chamber; compared with the prior art, the beneficial effects of the utility model are that: the air collecting cover can be adjusted up and down according to needs, and is combined with the side air channel designed on the side wall, so that the exhaust effect of waste gas or harmful gas is improved, the time of the existence of polluted gas in the cabinet body is reduced, and the personal safety of workers is greatly guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the experimental facilities technique and specifically relates to a fume chamber is used in laboratory is related to.
Background
The fume chamber plays an increasingly important role as the important equipment that the laboratory got rid of gas in the laboratory, and is known as everyone, and the laboratory can produce a large amount of poisonous and harmful gas when carrying out various experiments, and poisonous reagent also can produce when storing in the reagent cabinet and volatilize in addition, and the time is of a specified duration, not only can produce a large amount of harm to the human body, also can cause environmental pollution in discharging the air in addition.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A laboratory ventilation cabinet comprises a ventilation cabinet body, wherein an operation table is horizontally arranged in the ventilation cabinet body, the operation table divides the ventilation cabinet body into a ventilation chamber and a storage chamber positioned at the bottom of the ventilation chamber, an air collection chamber is arranged at the top end of the interior of the ventilation chamber, an exhaust fan is arranged in the air collection chamber, the bottom of the air collection chamber is connected with a flexible hose capable of being adjusted in a universal mode, the bottom of the flexible hose is connected with an air collection cover, and the air collection cover is communicated with the air collection chamber through the flexible hose; the side wall of the ventilation chamber is provided with a side air channel communicated with the air collecting chamber, and the side wall of the side air channel facing the ventilation chamber is provided with a side air hole.
As a further aspect of the present invention: the top end pipeline of the air collection chamber is connected with an exhaust pipeline, and the bottom end of the exhaust pipeline is connected with an exhaust outlet of an exhaust fan.
As a further aspect of the present invention: and an exhaust gas treatment device is arranged in the exhaust pipeline.
As a further aspect of the present invention: the waste gas treatment device is an activated carbon adsorption filter box.
As a further aspect of the present invention: the front end of the ventilation chamber is provided with an operation opening, the front end of the ventilation chamber is provided with a transparent lifting door, and the lifting door completely covers the operation opening.
As a further aspect of the present invention: the shaping has the spout on the inner wall of ventilation chamber left and right sides, and the both ends of carrying the sliding door inlay sliding connection in the spout.
As a further aspect of the present invention: the sliding groove is internally and fixedly connected with a spring, and the free end of the spring is abutted against the side face of the lifting door.
Compared with the prior art, the beneficial effects of the utility model are that: the air collecting cover can be adjusted up and down according to needs, and is combined with the side air channel designed on the side wall, so that the exhaust effect of waste gas or harmful gas is improved, the time of the existence of polluted gas in the cabinet body is reduced, and the personal safety of workers is greatly guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a fume hood for a laboratory;
FIG. 2 is a schematic side view of a laboratory fume hood;
fig. 3 is a schematic view of the assembly of the liftgate and the chute.
In the figure: 1. the ventilating cabinet comprises a ventilating cabinet body, 2, an operation table, 3, a ventilating chamber, 4, a storage chamber, 5, an air collecting chamber, 6, an exhaust fan, 7, a flexible hose, 8, an air collecting cover, 9, a side air duct, 10, a side air hole, 11, an exhaust duct, 12, a waste gas treatment device, 13, an operation opening, 14, a lifting door, 15, a sliding chute, 16 and a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a fume hood for a laboratory, includes a fume hood body 1, an operation table 2 is horizontally disposed inside the fume hood body 1, the operation table 2 divides the fume hood body 1 into a fume chamber 3 and a storage chamber 4 located at the bottom of the fume chamber 3, an air collection chamber 5 is disposed at the top end inside the fume chamber 3, an exhaust fan 6 is installed inside the air collection chamber 5, a flexible hose 7 capable of being adjusted universally is connected to the bottom of the air collection chamber 5, an air collection cover 8 is connected to the bottom of the flexible hose 7, and the air collection cover 8 is communicated with the air collection chamber 5 through the flexible hose 7; the side wall of the ventilation chamber 3 is provided with a side air duct 9 communicated with the air collection chamber 5, and the side wall of the side air duct 9 facing the ventilation chamber 3 is provided with a side air hole 10.
The top end pipe connection in air collection chamber 5 has exhaust duct 11, and exhaust duct 11's bottom is connected with exhaust fan 6's air exit, and exhaust duct 11's internally mounted has exhaust treatment device 12, and exhaust treatment device 12 is the active carbon adsorption rose box, provides power by exhaust fan 6 when waste gas, and the negative pressure gets into behind the air collection chamber 5 by exhaust duct 11 discharge, wherein is handled by active carbon adsorption through exhaust treatment device 12, can effective air-purifying.
The front end of the ventilation chamber 3 is provided with an operation opening 13, the front end of the ventilation chamber 3 is provided with a transparent lifting door 14, the lifting door 14 completely covers the operation opening 13, harmful gas in the ventilation chamber 3 is controlled in the ventilation chamber 3 and is absorbed and exhausted, and the harmful gas is prevented from being dissipated to the outside.
The shaping has spout 15 on the inner wall of ventilation chamber 3 left and right sides, and the both ends of carrying sliding door 14 inlay sliding connection in spout 1, fixedly connected with spring 16 in the spout 15, and the free end of spring 16 and the side butt of carrying sliding door 14 to make carrying sliding door 14 can slide in spout 15, and can be withstood by spring 16 after the slip and stabilize in the position.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (7)
1. A laboratory fume hood comprises a fume hood body and is characterized in that an operation table is horizontally arranged inside the fume hood body, the operation table divides the fume hood body into a ventilating chamber and a storage chamber located at the bottom of the ventilating chamber, an air collecting chamber is arranged at the top end inside the ventilating chamber, an exhaust fan is installed inside the air collecting chamber, a flexible hose capable of being adjusted in a universal mode is connected to the bottom of the air collecting chamber, an air collecting cover is connected to the bottom of the flexible hose, and the air collecting cover is communicated with the air collecting chamber through the flexible hose; the side wall of the ventilation chamber is provided with a side air channel communicated with the air collecting chamber, and the side wall of the side air channel facing the ventilation chamber is provided with a side air hole.
2. The laboratory fume hood according to claim 1, wherein the top end of the air collection chamber is connected with an exhaust duct, and the bottom end of the exhaust duct is connected with an exhaust outlet of an exhaust fan.
3. A laboratory fume hood according to claim 2, wherein said exhaust duct is internally provided with an exhaust gas treatment device.
4. The laboratory fume hood according to claim 3, wherein the exhaust gas treatment device is an activated carbon adsorption filter box.
5. The laboratory fume hood according to claim 1, wherein an operation opening is formed in the front end of the fume chamber, a transparent lifting door is arranged at the front end of the fume chamber, and the lifting door completely covers the operation opening.
6. The laboratory fume hood according to claim 1, wherein the inner walls of the left and right sides of the fume chamber are formed with sliding grooves, and both ends of the sliding door are embedded in the sliding grooves and connected in a sliding manner.
7. A laboratory fume hood according to claim 6, characterized in that a spring is fixedly connected in the chute, and the free end of the spring abuts against the side face of the lift gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858567.7U CN211217951U (en) | 2019-10-31 | 2019-10-31 | Fume hood for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921858567.7U CN211217951U (en) | 2019-10-31 | 2019-10-31 | Fume hood for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211217951U true CN211217951U (en) | 2020-08-11 |
Family
ID=71936560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921858567.7U Active CN211217951U (en) | 2019-10-31 | 2019-10-31 | Fume hood for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211217951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414208A (en) * | 2021-06-17 | 2021-09-21 | 安徽展创实验设备有限公司 | Laboratory fume chamber |
| CN116251808A (en) * | 2021-12-10 | 2023-06-13 | 中核第七研究设计院有限公司 | Efficient ventilation cabinet |
-
2019
- 2019-10-31 CN CN201921858567.7U patent/CN211217951U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414208A (en) * | 2021-06-17 | 2021-09-21 | 安徽展创实验设备有限公司 | Laboratory fume chamber |
| CN116251808A (en) * | 2021-12-10 | 2023-06-13 | 中核第七研究设计院有限公司 | Efficient ventilation cabinet |
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