CN216631981U

CN216631981U - Ventilation cabinet for chemical laboratory

Info

Publication number: CN216631981U
Application number: CN202123077963.6U
Authority: CN
Inventors: 刘积斌; 刘祺; 曲永松
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-31
Anticipated expiration: 2031-12-09

Abstract

The utility model belongs to the technical field of fume hoods, and particularly relates to a chemical laboratory fume hood which comprises an operation cabin, wherein an equipment cabin is fixed at the top of the operation cabin, a collection cabin and a storage cabin are respectively fixed on two sides of the bottom of the operation cabin, a filter box is fixed on the outer wall of one side of the equipment cabin, and three filter screen plates are inserted into one side wall of the filter box. According to the utility model, the filter box and the fan are arranged to absorb gas in the ventilation cabinet, when the gas is discharged through the filter box, toxic components are absorbed by the filter screen plate in the filter box, the probability of environmental pollution can be reduced, the interior of the operation cabin and the operation table can be washed through the water purification tank, the water pump and the spray head, waste liquid on the operation table and toxic substances attached to the inner wall of the operation cabin can be washed into the sewage tank in time, the operation table can be cleaned quickly, the interior of the operation cabin can be cleaned, the cleaning efficiency of the ventilation cabinet is improved, and the ventilation cabinet is more convenient to clean.

Description

Ventilation cabinet for chemical laboratory

Technical Field

The utility model relates to the technical field of fume hoods, in particular to a fume hood for a chemical laboratory.

Background

The most important is the exhaust function among the function of fume chamber, in chemical laboratory, can produce various harmful toxic gas and some easily volatilize during experimental operation, strong corrosive substance, in order to protect experiment operating personnel's safety, prevent that the toxic gas and the easy volatile material that produce in the experiment from to the inside diffusion of laboratory, avoid endangering experiment operating personnel's health, the operation of some chemistry experiments must go on in the fume chamber, common chemical laboratory fume chamber has following problem:

1. the existing chemical laboratory fume hood can pollute the environment when harmful and toxic gas or volatile substances generated in the chemical experiment operation process are discharged outdoors.

2. Present in the experiment, probably have a large amount of waste liquids spill on the fume chamber workstation, be difficult to the clearance, long-time not clear up can cause the corruption to the fume chamber workstation, and the inside artifical disinfection that needs of fume chamber simultaneously, extravagant manpower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a chemical laboratory fume hood, which solves the problems of harmful gas emission and inconvenience in cleaning the interior of the fume hood in the background art.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a chemical laboratory fume hood comprises an operation cabin, wherein an equipment cabin is fixed at the top of the operation cabin, a collection cabin and a storage cabin are respectively fixed at two sides of the bottom of the operation cabin, a filter box is fixed on the outer wall of one side of the equipment cabin, three filter screen plates are inserted into one side wall of the filter box, a fan is fixed inside the equipment cabin, an exhaust pipe is fixedly connected with the exhaust end of the fan, one end of the exhaust pipe penetrates through the equipment cabin and extends to the outside of the equipment cabin and is communicated with one side wall of the filter box away from the operation cabin, an exhaust pipe is fixed at the air outlet end of the fan, one end of the exhaust pipe penetrates through one side wall of the equipment cabin and is fixedly connected with the equipment cabin, a spray head is fixed on the inner top wall of the operation cabin, a water purifying tank is fixed inside the equipment cabin, a water pump is fixed at the top of the water purifying tank, and the water pump pipe of the water pump penetrates through the inside of the water purifying tank, and its one end is fixed with the outlet pipe, the outlet pipe is linked together with the shower nozzle, the fixed intercommunication in upper end of water purification case has the water pipe, the one end of going up the water pipe runs through a lateral wall in equipment storehouse and extends to its outside and be equipped with valve one on it, the top of collecting the storehouse is equipped with the drainage hose, the drainage hose is linked together with the operation storehouse, the sewage case has been placed to the inside in collection storehouse, the socket has been seted up to the upper end of sewage case, the one end of drainage hose runs through the socket and extends to the inside of sewage case.

Furthermore, a through hole is formed between the filter box and one side wall of the operation bin, and a water baffle is fixed between two side walls of the through hole.

Furthermore, the three filter screen plates are respectively a PP filter screen, an active carbon filter screen and a photocatalyst filter screen.

Further, an operation table is arranged above the bottom wall in the operation bin, and water outlets are formed in two sides of the operation table.

Furthermore, a through hole is formed in one side wall of the collecting bin, a sewage pipe communicated with the inside of the sewage tank is fixed at the bottom of the one side wall of the sewage tank, one end of the sewage pipe penetrates through the through hole and extends to the outer side of the ventilation cabinet, and a second valve is arranged on the sewage pipe.

Further, the open ends of the operation bin, the collection bin and the storage bin are provided with cabinet doors, and the bottom of the ventilation cabinet is provided with rollers.

(III) advantageous effects

Compared with the prior art, the utility model provides a chemical laboratory fume hood, which has the following beneficial effects:

1. according to the utility model, the filter box and the fan are arranged to absorb the gas in the ventilation cabinet, and when the gas is exhausted through the filter box, the harmful components are absorbed by the filter screen plate in the filter box, so that the probability of environmental pollution can be reduced.

2. According to the utility model, by arranging the water purifying tank, the water pump and the spray head, the interior of the operation cabin and the operation table can be washed, waste liquid on the operation table and toxic substances adhered to the inner wall of the operation cabin can be washed into the sewage tank in time, the operation table can be cleaned quickly, the interior of the operation cabin can be cleaned, the cleaning efficiency of the fume hood is improved, and the fume hood can be cleaned more conveniently.

Drawings

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

FIG. 2 is a schematic view of a door of the present invention;

fig. 3 is a sectional view showing the internal structure of the present invention.

In the figure: 1. an operation bin; 2. an equipment bin; 3. a collection bin; 4. a storage bin; 5. a filter cartridge; 6. a water baffle; 7. a filter screen plate; 8. a fan; 9. an air exhaust pipe; 10. an exhaust pipe; 11. a spray head; 12. a water purifying tank; 13. a water pump; 14. a water outlet pipe; 15. a water feeding pipe; 16. a drain hose; 17. a sewage tank; 18. a socket; 19. a through hole; 20. a sewage pipe; 21. an operation table; 22. a water outlet; 23. a cabinet door; 24. and a roller.

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.

Examples

As shown in fig. 1, 2 and 3, a chemical laboratory fume hood according to an embodiment of the present invention includes an operation cabin 1, an equipment cabin 2 is fixed on a top of the operation cabin 1, a collection cabin 3 and a storage cabin 4 are respectively fixed on two sides of a bottom of the operation cabin 1, a filter box 5 is fixed on an outer wall of one side of the equipment cabin 2, three filter screens 7 are inserted into a side wall of the filter box 5, a blower 8 is fixed inside the equipment cabin 2, an air exhaust pipe 9 is fixedly connected to an air exhaust end of the blower 8, one end of the air exhaust pipe 9 extends through the equipment cabin 2 to an outside thereof and is communicated with a side wall of the filter box 5 far away from the operation cabin 1, an air exhaust pipe 10 is fixed to an air outlet end of the blower 8, one end of the air exhaust pipe 10 extends through and is fixedly connected to a side wall of the equipment cabin 2, a nozzle 11 is fixed on an inner top wall of the operation cabin 1, a clean water tank 12 is fixed inside the equipment cabin 2, and a water pump 13 is fixed on a top of the clean water tank 12, a water pumping pipe of a water pump 13 penetrates through the inside of a water purifying tank 12, a water outlet pipe 14 is fixed at one end of the water pumping pipe, the water outlet pipe 14 is communicated with a spray head 11, an upper water pipe 15 is fixed and communicated at the upper end of the water purifying tank 12, one end of the upper water pipe 15 penetrates through one side wall of an equipment bin 2 and extends to the outer side of the equipment bin and is provided with a first valve, a drainage hose 16 is arranged at the top of a collection bin 3, the drainage hose 16 is communicated with an operation bin 1, a sewage tank 17 is placed in the collection bin 3, a socket 18 is arranged at the upper end of the sewage tank 17, one end of the drainage hose 16 penetrates through the socket 18 and extends to the inside of the sewage tank 17, in conclusion, when a chemical experiment is carried out, related tools are placed on an operation table 21 for use, a fan 8 is started to enable the water pumping pipe to always penetrate the inside of the operation bin 1, so that an experiment operator is prevented from being damaged by generated toxic gas, after the experiment is completed, the experiment is taken out, close cabinet door 23 of operation storehouse 1, the cabinet door 23 main part of operation storehouse 1 should be the clear glass material, start water pump 13, spray the antiseptic solution to the inside of operation storehouse 1 through shower nozzle 11, as can be known in fig. 2 and fig. 3, shower nozzle 11 can be simultaneously to the horizontal direction and to the water spray, be convenient for wash inside wall and the operation panel 21 of operation storehouse 1, wash the sewage that produces and flow into in sewage case 17 through drainage hose 16, make the clearance of operation storehouse 1 inside comparatively convenient, sewage can directly be discharged or take out sewage case 17 from collecting storehouse 3 and pour out in the sewage case 17, the processing of sewage has been made things convenient for.

As shown in fig. 2 and fig. 3, in some embodiments, a through hole is formed between the filter box 5 and one side wall of the operation cabin 1, and a water baffle 6 is fixed between two side walls of the through hole, so that the disinfection solution does not wet the filter screen plate 7 when the inside of the operation cabin 1 is flushed through the water baffle 6.

As shown in fig. 1 and 3, in some embodiments, the three filter screens 7 are respectively a PP filter screen, an activated carbon filter screen, and a photocatalyst filter screen, and by arranging the PP filter screen, macromolecular substances can be filtered, and by arranging the activated carbon filter screen and the photocatalyst filter screen, most of harmful chemical substances can be adsorbed.

As shown in fig. 2 and 3, in some embodiments, an operation table 21 is disposed above the bottom wall of the operation cabin 1, and both sides of the operation table 21 are provided with water outlets 22, so that sewage on the operation table 21 can flow to the lower side through the arrangement of the water outlets 22.

As shown in fig. 1 and 3, in some embodiments, a through hole 19 is formed in a side wall of the collection bin 3, a sewage pipe 20 communicated with the inside of the side wall of the sewage tank 17 is fixed at the bottom of the side wall of the sewage tank 17, one end of the sewage pipe 20 extends to the outside of the fume hood through the through hole 19, a second valve is arranged on the sewage pipe 20, and by arranging the through hole 19, if a sewage discharge pipeline is arranged near the position where the fume hood is placed, the sewage pipe 20 can be communicated with the sewage discharge pipeline, so that the sewage tank 17 does not need to be taken out to dump sewage.

As shown in fig. 1 and 2, in some embodiments, the opening ends of the operation cabin 1, the collection cabin 3 and the storage cabin 4 are provided with cabinet doors 23, the bottom of the fume hood is provided with rollers 24, the speed of dust accumulation inside the fume hood is reduced through the arrangement of the cabinet doors 23, and the fume hood is convenient to move through the arrangement of the rollers 24.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chemical laboratory fume hood, includes operation storehouse (1), its characterized in that: the top of the operation bin (1) is fixed with an equipment bin (2), two sides of the bottom of the operation bin are respectively fixed with a collection bin (3) and a storage bin (4), one outer wall of one side of the equipment bin (2) is fixed with a filter box (5), one side wall of the filter box (5) is spliced with three filter screen plates (7), the inside of the equipment bin (2) is fixed with a fan (8), the air exhaust end of the fan (8) is fixedly connected with an air exhaust pipe (9), one end of the air exhaust pipe (9) penetrates through the equipment bin (2) and extends to the outside of the equipment bin and is communicated with one side wall of the filter box (5) far away from the operation bin (1), the air outlet end of the fan (8) is fixed with an exhaust pipe (10), one end of the exhaust pipe (10) penetrates through one side wall of the equipment bin (2) and is fixedly connected with the equipment bin, and the inner top wall of the operation bin (1) is fixed with a spray head (11), a water purifying tank (12) is fixed in the equipment bin (2), a water pump (13) is fixed at the top of the water purifying tank (12), a water pumping pipe of the water pump (13) penetrates into the water purifying tank (12), and one end of the water outlet pipe is fixed with a water outlet pipe (14), the water outlet pipe (14) is communicated with the spray head (11), the upper end of the water purifying tank (12) is fixedly communicated with an upper water pipe (15), one end of the upper water pipe (15) penetrates through one side wall of the equipment bin (2) and extends to the outer side of the equipment bin, a first valve is arranged on the upper water pipe, a water drainage hose (16) is arranged at the top of the collection bin (3), the water drainage hose (16) is communicated with the operation bin (1), a sewage tank (17) is arranged in the collection bin (3), the upper end of the sewage tank (17) is provided with a socket (18), one end of the drain hose (16) extends through the spigot (18) to the interior of the waste tank (17).

2. A chemical laboratory fume hood according to claim 1, wherein: an opening is formed between the filter box (5) and one side wall of the operation bin (1), and a water baffle (6) is fixed between the two side walls of the opening.

3. A chemical laboratory fume hood according to claim 1, wherein: the three filter screen plates (7) are respectively a PP filter screen, an active carbon filter screen and a photocatalyst filter screen.

4. A chemical laboratory fume hood according to claim 1, wherein: an operating platform (21) is arranged above the inner bottom wall of the operating bin (1), and water outlets (22) are formed in two sides of the operating platform (21).

5. A chemical laboratory fume hood according to claim 1, wherein: a through hole (19) is formed in one side wall of the collection bin (3), a sewage pipe (20) communicated with the inside of the sewage tank is fixed to the bottom of one side wall of the sewage tank (17), one end of the sewage pipe (20) penetrates through the through hole (19) and extends to the outer side of the ventilation cabinet, and a second valve is arranged on the sewage pipe (20).

6. A chemical laboratory fume hood according to claim 1, wherein: the opening ends of the operation bin (1), the collection bin (3) and the storage bin (4) are respectively provided with a cabinet door (23), and the bottom of the ventilation cabinet is provided with rollers (24).