CN215844782U

CN215844782U - Laboratory fume chamber with anticorrosion function

Info

Publication number: CN215844782U
Application number: CN202122065989.2U
Authority: CN
Inventors: 李越
Original assignee: Hansen Laboratory System Equipment Suzhou Co ltd
Current assignee: Hansen Laboratory System Equipment Suzhou Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-18
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a laboratory ventilation cabinet with an anti-corrosion function, which comprises a ventilation cabinet body and an exhaust box, wherein connecting rods are arranged at the left end and the right end of the inner wall of the upper end of the ventilation cabinet body; the support frame is assembled between the inner walls of the left side and the right side of the exhaust box, the exhaust fan is installed in the middle section of the support frame, the fixed frame is arranged in the exhaust box and located at the lower end of the exhaust fan, the filter screen is embedded in the fixed frame, the long sliding blocks are installed on the left side wall and the right side wall of the fixed frame, the sliding grooves are formed in the lower ends of the inner walls of the left side and the right side of the exhaust box, the long sliding block at the left end is installed in the sliding groove at the left end, and the long sliding block at the right end is installed in the sliding groove at the right end; this laboratory fume chamber with anti-corrosion function prevents that harmful gas from corroding inside the fume chamber, can dismantle the filter fast after long-term the use and change, guarantees purifying effect.

Description

Laboratory fume chamber with anticorrosion function

Technical Field

The utility model relates to the technical field of laboratory fume hoods, in particular to a laboratory fume hood with an anti-corrosion function.

Background

The fume hood generally has three forms, and the difference lies in that the position of the air outlet is different, is applicable to the pollutant that the density is different. Exhausting air upwards when the density of pollutants is small; when the density is high, the lower air is used for exhausting; when the density is uncertain, the upper part and the lower part can be used for simultaneously exhausting air, and the upper part air outlet can be adjusted. The cabinet door of the fume chamber is adjustable from top to bottom, and under the operation permission condition, the smaller the opening degree of the cabinet door is, the better effect is, and the fume chamber is an indispensable component in the laboratory ventilation design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. In order to prevent the absorption of some vapor, gas and particles (smoke, soot, dust and aerosol), pollutants must be removed by a fume hood, a fume hood or a local ventilation method, although the conventional fume hood for a laboratory can meet the requirements of the prior art, the conventional fume hood has some disadvantages, such as poor ventilation effect and inconvenience to people, and in addition, the fume hood cannot rapidly purify harmful substances in the wind, easily corrodes the fume hood and damages the environment, so the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a laboratory fume hood with an anti-corrosion function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a laboratory ventilation cabinet with an anti-corrosion function comprises a ventilation cabinet body and an exhaust box, wherein connecting rods are mounted at the left end and the right end of the inner wall of the upper end of the ventilation cabinet body;

the air exhaust box is characterized in that a support frame is assembled between the inner walls of the left side and the right side of the air exhaust box, an exhaust fan is installed in the middle section of the support frame, a fixed frame is arranged in the air exhaust box and located at the lower end of the exhaust fan, a filter screen is embedded in the fixed frame, long sliding blocks are installed on the left side wall and the right side wall of the fixed frame, sliding grooves are formed in the lower ends of the inner walls of the left side and the right side of the air exhaust box, the long sliding blocks are installed in the sliding grooves at the left end, and the long sliding blocks at the right end are installed in the sliding grooves at the right end;

the ventilating cabinet is characterized in that a workbench is installed at the lower end of the inside of the ventilating cabinet body, a drain hole is formed in the middle section of the upper end of the workbench, a drain bucket is installed at the position, located at the drain hole, of the lower end of the workbench, and a drain pipe is installed at the lower end of the drain bucket.

Preferably, a through hole a is formed in the middle section of the upper top end of the ventilation cabinet body, an exhaust pipe is installed in the through hole a, an exhaust hole is formed in the middle section of the upper top end of the exhaust box, and the lower end of the exhaust pipe is inserted into the exhaust hole.

Preferably, the upper end of the exhaust pipe extends to the outside of the ventilation cabinet body, and a pipeline joint is installed on the upper end of the exhaust pipe.

Preferably, the diameter of the outer circle of the liquid discharge hopper is larger than that of the inner circle of the water discharge hole, and a valve is assembled at the water outlet of the liquid discharge hopper.

Preferably, through-hole b has all been seted up in the bottom middle section of the ventilation cabinet body and the upper end middle section of drain tank, the internally mounted of drain tank has the storage water tank, the upper end department of intaking of storage water tank installs flexible hose, the lower extreme of fluid-discharge tube passes through-hole b and connects flexible hose.

Preferably, the preceding lateral wall of drainage box is equipped with the chamber door, sealed the pad is all installed to the left and right sides outer wall of drainage box, and sealed pad is connected with the inner wall laminating of the ventilation cabinet body.

Compared with the prior art, the utility model has the beneficial effects that: this laboratory fume chamber with anti-corrosion function, moreover, the steam generator is simple in structure, and convenient for operation, at the inside workstation that sets up of fume chamber, realize in the inside operation of fume chamber, and collect waste water through the drainage subassembly, thereby improve the clean and tidy nature of fume chamber, through setting up exhaust box in the upper end of fume chamber, can be fast to the gas outgoing in the fume chamber, adsorb the harmful gas of inside through inside active carbon, prevent that harmful gas from corroding inside the fume chamber, can dismantle the filter fast after using for a long time and change, guarantee purifying effect.

Drawings

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

FIG. 2 is a schematic view of the interior of the exhaust box of the present invention;

FIG. 3 is a schematic view of the fixing frame structure of the present invention;

fig. 4 is a schematic view of the inside of the drain tank of the present invention.

In the figure: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 sealing gasket, 16, 17 exhaust fan, 18, 19, 20, 21 long slide block, 22 filter screen, 23 water storage tank, 24 flexible hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a laboratory ventilation cabinet with an anti-corrosion function comprises a ventilation cabinet body 1 and an exhaust box 3, wherein the ventilation cabinet body 1 is a ventilation cabinet for a laboratory in the prior art, connecting rods 14 are respectively installed at the left end and the right end of the inner wall of the upper end of the ventilation cabinet body 1, the lower ends of the two connecting rods 14 are connected with the exhaust box 3, the exhaust box 3 is installed at the upper end of the inside of the ventilation cabinet body 1 through the connecting rods 14, and the exhaust box 2 is installed at the lower end of the ventilation cabinet body 1;

a support frame 18 is assembled between the inner walls of the left side and the right side of the exhaust box 3, an exhaust fan 17 is installed in the middle section of the support frame 18, a fixed frame 20 is arranged in the exhaust box 3 and positioned at the lower end of the exhaust fan 17, a filter screen 22 is embedded in the fixed frame 20, long sliding blocks 21 are installed on the left side wall and the right side wall of the fixed frame 20, sliding grooves 19 are formed in the lower ends of the inner walls of the left side and the right side of the exhaust box 3, a long sliding block 21 at the left end is installed in the sliding groove 19 at the left end, a long sliding block 21 at the right end is installed in the sliding groove 19 at the right end, and the fixed frame 20 is installed in the exhaust box 3 through the sliding of the long sliding block 21 in the sliding groove 19, so that the fixed frame 20 is convenient to install and disassemble;

a working table 4 is installed at the lower end of the interior of the ventilating cabinet body 1, test operation can be conducted on the working table 4, a drain hole 10 is formed in the middle section of the upper end of the working table 4, a drain hopper 9 is installed at the position, located at the drain hole 10, of the lower end of the working table 4, and a drain pipe 8 is installed at the lower end of the drain hopper 9.

The ventilation cabinet comprises a ventilation cabinet body 1 and is characterized in that a through hole a 13 is formed in the middle section of the upper top end of the ventilation cabinet body 1, an exhaust pipe 12 is installed in the through hole a 13, an exhaust hole 16 is formed in the middle section of the upper top end of an exhaust box 3, and the lower end of the exhaust pipe 12 is inserted in the exhaust hole 16.

The upper end of the exhaust pipe 12 extends to the outside of the ventilation cabinet body 1, and a pipeline joint 11 is mounted on the outside of the ventilation cabinet body and used for connecting a main exhaust pipeline of a laboratory.

The diameter of the outer circle of the liquid discharge hopper 9 is larger than that of the inner circle of the water discharge hole 10, and a valve 5 is assembled at the water outlet of the liquid discharge hopper 9 and used for controlling the liquid discharge rate of the liquid discharge hopper 9.

Through-hole b 7 has all been seted up in the bottom middle section of the ventilation cabinet body 1 and the upper end middle section of drain tank 2, and the internally mounted of drain tank 2 has storage water tank 23, and the upper end department of intaking of storage water tank 23 installs flexible hose 24, and the lower extreme of fluid-discharge tube 8 passes through-hole b 7 and connects flexible hose 24.

The preceding lateral wall of drainage box 2 is equipped with chamber door 6, and sealed pad 15 is all installed to the left and right sides outer wall of exhaust box 3, and sealed pad 15 is connected with the inner wall laminating of the ventilation cabinet body 1.

The working process and principle are as follows: when in use, firstly, the exhaust box 3 is arranged in the ventilation cabinet body 1, then the pipeline joint 11 at the upper end of the ventilation cabinet body 1 is connected with a main exhaust pipeline of a laboratory, then the exhaust fan 17 in the exhaust box 3 is started to perform the experiment operation on the worktable 4, when gas appears in the experiment process, the air can be sucked in through the exhaust box 3 and filtered through the filter screen 22 in the fixed frame 20, the filtered air is exhausted through the exhaust pipe 12, when waste water is generated in the experimental process, the valve 5 on the liquid discharge hopper 9 is adjusted to open the liquid discharge hopper 9, the waste water can enter the water storage tank 23 in the drainage tank 2 through the drain hole 10 and the liquid discharge hopper 9, after the experiment is finished, the fixed frame 20 can be taken out from the exhaust box 3 to replace the filter screen 22, then the door 6 of the drainage box 2 is opened, the flexible hose 24 is disconnected with the drain pipe 8, and the water storage box 23 is taken out.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a laboratory fume chamber with anticorrosion function, includes the fume chamber body (1) and arranges bellows (3), its characterized in that: the left end and the right end of the inner wall of the upper end of the ventilating cabinet body (1) are respectively provided with a connecting rod (14), the lower ends of the two connecting rods (14) are connected with a wind discharging box (3), and the lower end of the ventilating cabinet body (1) is provided with a water discharging box (2);

a support frame (18) is assembled between the inner walls of the left side and the right side of the air exhaust box (3), an exhaust fan (17) is installed in the middle section of the support frame (18), a fixed frame (20) is arranged at the lower end, located on the exhaust fan (17), of the inside of the air exhaust box (3), a filter screen (22) is embedded in the fixed frame (20), long sliding blocks (21) are installed on the left side wall and the right side wall of the fixed frame (20), sliding grooves (19) are formed in the lower ends of the inner walls of the left side and the right side of the air exhaust box (3), the long sliding blocks (21) at the left end are installed in the sliding grooves (19), and the long sliding blocks (21) at the right end are installed in the sliding grooves (19) at the right end;

workstation (4) are installed to the inside lower extreme of fume chamber body (1), wash port (10) have been seted up to the upper end middle section of workstation (4), drain pipe (8) are installed to the lower extreme of workstation (4) lie in wash port (10) department and install leakage fluid dram (9), leakage fluid dram (8) are installed to the lower extreme of leakage fluid dram (9).

2. The laboratory fume hood with corrosion protection according to claim 1, wherein: the ventilating cabinet is characterized in that a through hole a (13) is formed in the middle section of the upper top end of the ventilating cabinet body (1), an exhaust pipe (12) is installed in the through hole a (13), an exhaust hole (16) is formed in the middle section of the upper top end of the exhaust box (3), and the lower end of the exhaust pipe (12) is inserted into the exhaust hole (16).

3. The laboratory fume hood with corrosion protection according to claim 2, wherein: the upper end of the exhaust pipe (12) extends to the outside of the ventilation cabinet body (1) and is provided with a pipeline joint (11).

4. The laboratory fume hood with corrosion protection according to claim 1, wherein: the diameter of the outer circle of the liquid discharge hopper (9) is larger than that of the inner circle of the water discharge hole (10), and a valve (5) is assembled at the water outlet of the liquid discharge hopper (9).

5. The laboratory fume hood with corrosion protection according to claim 1, wherein: through-hole b (7) have all been seted up in the bottom middle section of the ventilation cabinet body (1) and the upper end middle section of drain tank (2), the internally mounted of drain tank (2) has storage water tank (23), flexible hose (24) are installed to the upper end department of intaking of storage water tank (23), flexible hose (24) are connected in through-hole b (7) are passed to the lower extreme of fluid-discharge tube (8).

6. The laboratory fume hood with corrosion protection according to claim 1, wherein: the front side wall of the drainage box (2) is equipped with a box door (6), sealing gaskets (15) are installed on the outer walls of the left side and the right side of the drainage box (3), and the sealing gaskets (15) are attached to the inner wall of the ventilation cabinet body (1).