CN213409766U

CN213409766U - Laboratory fume chamber with clean system

Info

Publication number: CN213409766U
Application number: CN202022312087.XU
Authority: CN
Inventors: 曾道均
Original assignee: Shenzhen Tokyo Decoration Engineering Co ltd
Current assignee: Shenzhen Tokyo Decoration Engineering Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-11
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a laboratory fume hood with a purification system, which comprises a fume hood body, a ventilating board connected with the top end inside the fume hood body, a ventilating pipe communicated with the ventilating board, a valve arranged at the bottom end of the ventilating pipe and a fan connected inside the ventilating pipe, wherein one end of the ventilating pipe is provided with an adsorption purification device for purifying the air exhausted by the ventilating pipe, the laboratory fume hood with the purification system can extract the polluted air by the adsorbing purification device arranged at one end of the ventilating pipe and can fully purify the air, and meanwhile, the ventilating pipe can movably extend and retract on the ventilating pipe by the fan cover through a movable ventilation device arranged at the top end of the fume hood body, is convenient for the user to use.

Description

Laboratory fume chamber with clean system

Technical Field

The utility model relates to an experimental device technical field specifically is a laboratory fume chamber with clean system.

Background

The fume hood is an indispensable component in laboratory ventilation design, in order to prevent laboratory staff from inhaling or swallowing some toxic, pathogenic or unknown chemical substances and organisms, good ventilation should be provided in a laboratory, the most important function in the fume hood is the exhaust function, in a chemical laboratory, various harmful gases, odor, moisture and flammable, explosive and corrosive substances are generated during experimental operation, in order to protect the safety of users, prevent the pollutant in the experiment from diffusing to the laboratory, and the fume hood is used near a pollution source.

At present, current laboratory fume chamber only has the effect of extraction contaminated air, can't purify the air of extraction to having caused the pollution of outside air, when extracting simultaneously, often for the extraction of large tracts of land, its ventilating board convulsions position and highly comparatively fixed simultaneously can't adjust according to the experimental needs of difference, thereby bring inconvenience for the user, for this reason, we propose a laboratory fume chamber with clean system.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory fume chamber with clean system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a laboratory ventilation cabinet with a purification system comprises a ventilation cabinet body, a ventilation board connected to the top end of the interior of the ventilation cabinet body, a ventilation pipe communicated with the ventilation board, a valve arranged at the bottom end of the ventilation pipe and a fan connected to the interior of the ventilation pipe, wherein an adsorption purification device for purifying air exhausted by the ventilation pipe is arranged at one end of the ventilation pipe;

the top of fume chamber body and the outside that is located the ventilating board are equipped with the removal ventilation unit who carries out adjustable purification of airing exhaust to the fume chamber body, and remove ventilation unit and ventilation pipe intercommunication.

Preferably, the adsorption and purification device comprises a connecting pipe communicated with one end of the ventilation pipe through a flange, a filter screen plate for filtering large-particle impurities is arranged in the connecting pipe, and a material removing part for removing the large-particle impurities is arranged at the bottom end of the connecting pipe and corresponds to the front end of the filter screen plate;

the electrostatic adsorption screen plate is arranged on one side of the filter screen plate, which is far away from the ventilation pipe, and the electrostatic adsorption screen plate is detachably arranged in the ventilation pipe through bolts;

the outside of electrostatic adsorption otter board is equipped with the ultraviolet ray disinfection lamp, and ultraviolet ray disinfection lamp and connecting pipe inner wall connection, the ultraviolet ray disinfection lamp outside is equipped with the active carbon adsorption board, and active carbon adsorption board fixed mounting is inside the connecting pipe, through the absorption purifier who is equipped with to can carry out abundant purification and disinfection's effect to the air.

Preferably, remove the material piece including setting up in the connecting pipe bottom and correspond the opening of filtering the otter board front end, opening bottom fixedly connected with funnel, be equipped with the bottom on the funnel, through the material piece that removes that is equipped with to can filter the effect that the large granule impurity that the back dropped carries out the removal to filtering the otter board.

Preferably, remove ventilation unit include with the bellows of ventilation pipe intercommunication, be equipped with the solenoid valve that carries out the switch to it on the bellows, bellows outside cover is equipped with the movable plate, the inside slip of movable plate runs through there are two slide bars, two the top fixed connection of slide bar and fume chamber body, the bellows bottom is equipped with the fan housing, and is equipped with on the movable plate and carries out the fixed mounting to the fan housing, through the removal ventilation unit who is equipped with to play removes the effect of ventilating to the fume chamber body.

Preferably, the fixing part comprises a hook fixedly connected to the bottom end of the moving plate, a pull ring is arranged on the outer side of the fan housing, and the fan housing plays a role in relatively fixing the fan housing and the moving plate when not in use through the hook and the pull ring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses when using, through the absorption purifier who is equipped with in the one end of ventilation pipe, thereby when making the ventilation pipe carry out the extraction to the air of pollution, play the effect of carrying out abundant purification to the air, prevent the pollution of external air, simultaneously through the removal ventilation unit who is equipped with on the top of fume chamber body, thereby make on the fume chamber body, not only the ventilating board realizes carrying out the effect of extraction to the air, remove the pipe simultaneously and carry out the effect of movable flexible air extraction on the ventilation pipe through the fan housing, and then can adjust according to the experiment needs of difference, convenient to use person uses, improve the work efficiency of fume chamber body simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the connecting tube of the present invention;

FIG. 3 is a schematic view of the inner side of the connecting tube according to the present invention;

FIG. 4 is a schematic diagram of the structure of the ventilation board of the present invention;

fig. 5 is a schematic view of the fixing member of the present invention.

In the figure: 1-a fume hood body; 2-a ventilation board; 3-a ventilation pipe; 4-a fan; 5-an adsorption purification device; 6-moving the ventilation device; 7-connecting pipe; 8-filtering the screen plate; 9-removing the material; 10-electrostatic adsorption screen plate; 11-ultraviolet disinfection lamp; 12-activated carbon adsorption plate; 13-opening; 14-a funnel; 15-bottom cover; 16-a bellows; 17-a solenoid valve; 18-moving the plate; 19-a slide bar; 20-wind cover; 21-a fixing member; 22-a hook; 23-pull ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-5, the present invention provides a technical solution: a laboratory ventilation cabinet with a purification system comprises a ventilation cabinet body 1, a ventilation board 2 connected to the top end inside the ventilation cabinet body 1, a ventilation pipe 3 communicated with the ventilation board 2, a valve arranged at the bottom end of the ventilation pipe 3 and a fan 4 connected inside the ventilation pipe 3, wherein an adsorption purification device 5 for purifying air discharged by the ventilation pipe 3 is arranged at one end of the ventilation pipe 3;

the adsorption and purification device 5 comprises a connecting pipe 7 communicated with one end of the ventilation pipe 3 through a flange, a filter screen plate 8 used for filtering large granular impurities is arranged in the connecting pipe 7, a material removing part 9 used for removing the large granular impurities is arranged at the bottom end of the connecting pipe 7 and corresponds to the front end of the filter screen plate 8, the material removing part 9 comprises an opening 13 which is arranged at the bottom end of the connecting pipe 7 and corresponds to the front end of the filter screen plate 8, a funnel 14 is fixedly connected to the bottom end of the opening 13, a bottom cover 15 is arranged on the funnel 14, so that the large granular impurities with large weight and large area filtered by the filter screen plate 8 fall into the funnel 14 under the action of self gravity, and the impurities collected in the funnel 14 can be removed by opening the bottom cover 15;

the electrostatic adsorption screen plate 10 is arranged on one side, away from the ventilation pipe 3, of the filter screen plate 8, the electrostatic adsorption screen plate 10 is detachably mounted inside the ventilation pipe 3 through bolts, and the electrostatic adsorption screen plate 10 can adsorb and filter impurities with light weight and small volume;

the outside of electrostatic adsorption otter board 10 is equipped with ultraviolet ray disinfection lamp 11, and ultraviolet

ray disinfection lamp

11 and 7 interior wall connections of connecting pipe, the 11 outsides of ultraviolet ray disinfection lamp are equipped with activated carbon adsorption board 12, and inside activated carbon adsorption board 12 fixed mounting was in connecting pipe 7, and ultraviolet ray disinfection lamp 11 preferred sets up a plurality ofly, plays and carries out abundant sterile effect to the air, simultaneously under the effect of ultraviolet ray disinfection lamp 11 and activated carbon adsorption board 12, plays and purifies sterile effect to the air.

The movable ventilation device 6 for performing adjustable exhaust purification on the ventilation cabinet body 1 is arranged at the top end of the ventilation cabinet body 1 and on the outer side of the ventilation board 2, the movable ventilation device 6 is communicated with the ventilation pipe 3, the movable ventilation device 6 comprises a corrugated pipe 16 communicated with the ventilation pipe 3, the length of the corrugated pipe 16 can be adjusted in a telescopic mode, and further the corrugated pipe 16 and the movable board 18 can move conveniently, an electromagnetic valve 17 for opening and closing the corrugated pipe 16 is arranged on the corrugated pipe 16, a movable board 18 is sleeved on the outer side of the corrugated pipe 16, two sliding rods 19 penetrate through the movable board 18 in a sliding mode, the two sliding rods 19 are fixedly connected with the top end of the ventilation cabinet body 1, a fan cover 20 is arranged at the bottom end of the corrugated pipe 16, and a fixing piece 21;

the fixing member 21 includes a hook 22 fixedly connected to the bottom end of the moving plate 18, and a pull ring 23 is disposed on an outer side of the fan housing 20, so that when the fan housing 20 is not used, the fan housing 20 is hung on the hook 22 through the pull ring 23 on the outer side, and the fan housing 20 is fixed.

The working principle is as follows: when fume chamber body 1 uses, the valve is opened, and second bottom 15 is closed, inside the air passes through ventilation pipe 3 suction connecting pipe 7, the inside filter plate 8 of connecting pipe 7, electrostatic adsorption otter board 10, ultraviolet ray disinfection lamp 11 and active carbon adsorption board 12 play and carry out the sterile effect of filter purification to the air, the discharge of clean air has been guaranteed, simultaneously when needs carry out the extraction to concrete position, can close the valve, open solenoid valve 17 simultaneously, can carry out flexible effect and movable plate 18 for removing on two slide bars 19 through bellows 16, thereby realize carrying out the effect of induced drafting to the distance position on the fume chamber body 1, the staff of being convenient for uses.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a laboratory fume chamber with clean system, includes fume chamber body (1), connects ventilating board (2) on fume chamber body (1) inside top, ventilation pipe (3) with ventilating board (2) intercommunication, sets up at the valve of ventilation pipe (3) bottom and connects fan (4) in ventilation pipe (3) inside, its characterized in that: one end of the ventilation pipe (3) is provided with an adsorption purification device (5) for purifying air discharged by the ventilation pipe;

the top of fume chamber body (1) and the outside that is located ventilating board (2) are equipped with and carry out adjustable ventilation device (6) of purifying of airing exhaust to fume chamber body (1), and remove ventilation device (6) and ventilation pipe (3) intercommunication.

2. A laboratory fume hood with a decontamination system according to claim 1, wherein: the adsorption and purification device (5) comprises a connecting pipe (7) communicated with one end of the ventilation pipe (3) through a flange, a filter screen plate (8) used for filtering large-particle impurities is arranged in the connecting pipe (7), and a material removing part (9) used for removing the large-particle impurities is arranged at the bottom end of the connecting pipe (7) and corresponds to the front end of the filter screen plate (8);

one side of the filter screen plate (8) far away from the ventilation pipe (3) is provided with an electrostatic adsorption screen plate (10), and the electrostatic adsorption screen plate (10) is detachably arranged in the ventilation pipe (3) through bolts;

the outside of electrostatic adsorption otter board (10) is equipped with ultraviolet ray disinfection lamp (11), and ultraviolet ray disinfection lamp (11) and connecting pipe (7) inner wall connection, ultraviolet ray disinfection lamp (11) outside is equipped with activated carbon adsorption board (12), and activated carbon adsorption board (12) fixed mounting is inside connecting pipe (7).

3. A laboratory fume hood with a decontamination system according to claim 2, wherein: remove material piece (9) including setting up opening (13) in connecting pipe (7) bottom and corresponding filter plate (8) front end, opening (13) bottom fixedly connected with funnel (14), be equipped with bottom (15) on funnel (14).

4. A laboratory fume hood with a decontamination system according to claim 1, wherein: remove ventilation unit (6) and include bellows (16) with ventilation pipe (3) intercommunication, be equipped with on bellows (16) and carry out solenoid valve (17) that open and shut to it, bellows (16) outside cover is equipped with movable plate (18), movable plate (18) inside slip runs through there are two slide bars (19), two slide bar (19) and the top fixed connection of fume chamber body (1), bellows (16) bottom is equipped with fan housing (20), and is equipped with on movable plate (18) and carries out fixed mounting (21) to fan housing (20).

5. A laboratory fume hood with a decontamination system according to claim 4, wherein: the fixing piece (21) comprises a hook (22) fixedly connected to the bottom end of the moving plate (18), and a pull ring (23) is arranged on the outer side of the fan cover (20).