CN213701169U

CN213701169U - Fume chamber for laboratory waste treatment

Info

Publication number: CN213701169U
Application number: CN202022672216.6U
Authority: CN
Inventors: 许青
Original assignee: Hangzhou Jieni Experimental Equipment Co ltd
Current assignee: Hangzhou Jieni Experimental Equipment Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-16
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a fume chamber for laboratory waste treatment, including the box, the lower extreme of box is provided with the removal bottom plate, and the left side of box is close to the upper end rigidity and is provided with the cover that induced drafts, and the upper surface of removing the bottom plate is located the left side of box and is provided with detachable collection liquid tank, and the upper end of collection liquid tank is provided with the cover that induced drafts. The utility model discloses a box upper end is induced drafted through the cover that induced drafts that sets up and is realized the harmful gas and the harmful particle that produce when will experimenting the processing of siphoning away of induced drafting to the box upper end, the timely siphon of the harmful substance that the experimental article that will place on the backing plate produced is avoided diffusing through the backing plate that sets up towards the cover opening that induced drafts and the liquid hole that sets up on the backing plate through setting up simultaneously and is avoided the diffusion to realize better processing, better treatment effect has, and through the liquid hole with timely discharge downwards of unrestrained waste liquid and collect the timely processing that realizes the waste liquid to the collection liquid tank through collecting tank and timely discharge of fluid-discharge tube.

Description

Fume chamber for laboratory waste treatment

Technical Field

The utility model relates to a fume chamber technical field is used in the laboratory specifically is a fume chamber for laboratory waste treatment.

Background

Fume hoods are an integral part of 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. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the pollutants must be removed by fume hoods, hoods or local ventilation, so that the fume hoods provide some protection to the laboratory personnel.

The utility model discloses an applicant discovers that the harmful gas that current fume chamber produced during to the experiment or the treatment effect of harmful particle is not good, often has partly harmful gas or harmful particle can't be handled and causes the injury to the experimenter to do not have the timely processing function to the waste liquid that the experiment produced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fume chamber for laboratory waste treatment aims at improving the harmful gas that current fume chamber produced when experimenting or the not good and problem that does not have the timely processing function to the waste liquid that the experiment produced of harmful particle's treatment effect.

The utility model discloses a realize like this:

a fume hood for laboratory waste treatment comprises a box body, wherein a movable bottom plate is arranged at the lower end of the box body, an air suction cover is fixedly arranged on the left side of the box body close to the upper end of the box body, a detachable liquid collecting box is arranged on the left side of the box body on the upper surface of the movable bottom plate, an air suction cover is arranged on the upper end of the liquid collecting box, the right lower end of the air suction cover is fixedly connected with the box body, an installation cavity is arranged on the upper end surface of the box body, a backing plate is installed on the inner side of the installation cavity and is a hollow shell, the backing plate is arranged in a manner of opening towards one end and the lower end surface of the air suction cover, liquid holes which are uniformly distributed are formed in the upper surface of the backing plate, a grid plate is clamped on the left side of the upper end surface of the box body, a liquid collecting tank is arranged at the bottom, the utility model discloses a box upper end is induced drafted through the cover that induced drafts that sets up and is realized the harmful gas and the harmful particle that produce when will experimenting the processing of siphoning away of induced drafting to the box upper end, the timely siphon of the harmful substance that the experimental article that will place on the backing plate produced is avoided diffusing through the backing plate that sets up towards the cover opening that induced drafts and the liquid hole that sets up on the backing plate through setting up simultaneously and is avoided the diffusion to realize better processing, better treatment effect has, and through the liquid hole with timely discharge downwards of unrestrained waste liquid and collect the timely processing that realizes the waste liquid to the collection liquid tank through collecting tank and timely discharge of fluid-discharge tube.

Furthermore, the lower extreme of the cover that induced drafts is provided with bellied ka tai, and the inboard bottom of the cover that induced drafts be provided with fluid-discharge tube complex through-hole, the side of the cover that induced drafts is provided with a plurality of exhaust hole, through the card platform realization that sets up with the joint of the last port of collection liquid case to exhaust through the exhaust hole that sets up induced drafts.

Furthermore, all insert on a plurality of exhaust hole and be fixed with the connecting pipe, and a plurality of connecting pipe fixedly connected with box that induced drafts, the box that induced drafts is connected with the fan through the exhaust column, through box and a plurality of connecting pipe that induced drafts in the cover that induced drafts of box realization even to induced drafts.

Furthermore, a clamping groove matched with the grid plate is formed in the position, close to the left side, of the upper end face of the box body, the lower end of the grid plate is inserted and fixed in the clamping groove, and the grid plate is installed and fixed through the arranged clamping groove.

Further, liquid collecting tank one end is provided with the handle, and the other end of liquid collecting tank is provided with the viewing aperture, and the other end of liquid collecting tank is close to the upper end position be provided with the card platform complex let the position mouth, realize the observation to the liquid level in the liquid collecting tank through the viewing aperture that sets up to through the setting let the position mouth convenient liquid collecting tank edgewise card between removal bottom plate and the cover that induced drafts.

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

the utility model discloses in induced draft the cover through setting up to box upper end induced draft the harmful gas that produces when realizing will experimenting and the processing of siphoning away of harmful particle, simultaneously through the setting towards the backing plate that induced draft cover opening set up and the timely absorption away of harmful substance that the liquid hole that sets up on the backing plate produced the experimental article of placing on the backing plate through setting up avoid the diffusion to realize better processing, better treatment effect has, and through the liquid hole with timely downward discharge of unrestrained waste liquid and through the timely row of collecting tank and fluid-discharge tube to collecting tank collect the timely processing of realization to the waste liquid.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a laboratory waste treatment fume hood according to the present invention;

fig. 2 is a schematic view of an air suction structure of a fume hood for laboratory waste treatment according to the present invention;

FIG. 3 is a schematic view of an air suction hood of a laboratory waste disposal fume hood of the present invention;

FIG. 4 is a schematic view of a laboratory waste treatment fume hood of the present invention;

figure 5 is the utility model discloses a collection liquid tank schematic diagram of fume chamber for laboratory waste treatment.

In the figure: 1. an air suction hood; 110. clamping a platform; 120. a through hole; 130. an exhaust hole; 2. a box body; 21. a liquid discharge pipe; 22. a mounting cavity; 23. a liquid collecting tank; 24. clamping grooves; 3. a liquid collection tank; 31. a let position port; 32. a viewing port; 33. a handle; 4. a grid plate; 5. a base plate; 51. a liquid permeable hole; 6. moving the base plate; 7. an exhaust pipe; 8. a suction box; 9. and (4) connecting the pipes.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Embodiment 1, please refer to fig. 1 and 4 specifically, a fume hood for laboratory waste treatment, comprising a box body 2, a movable bottom plate 6 is arranged at the lower end of the box body 2, an air suction cover 1 is fixedly arranged at a position close to the upper end of the left side of the box body 2, a detachable liquid collecting box 3 is arranged at the left side of the box body 2 on the upper surface of the movable bottom plate 6, an air suction cover 1 is arranged at the upper end of the liquid collecting box 3, the right lower end of the air suction cover 1 is fixedly connected with the box body 2, a mounting cavity 22 is arranged on the upper end surface of the box body 2, a backing plate 5 is arranged at the inner side of the mounting cavity 22, the backing plate 5 is a hollow shell, openings are arranged at one end and the lower end surface of the backing plate 5 facing the air suction cover 1, liquid holes 51 which are uniformly arranged are arranged on the upper surface of the backing plate 5, a grid plate 4 is clamped at, and the left end of the collecting tank 23 is provided with a liquid discharge pipe 21, one end of the liquid discharge pipe 21 passes through the grid plate 4 and the inner bottom of the air suction cover 1 and is connected with the collecting tank 3, the upper end of the box body 2 is sucked by the arranged air suction cover 1 to realize the suction treatment of harmful gas and harmful particles generated in the experiment, meanwhile, the cushion plate 5 arranged towards the opening of the air suction cover 1 and the liquid holes 51 arranged on the cushion plate 5 are used for sucking away the harmful substances generated by the experimental articles placed on the cushion plate 5 in time and avoiding the diffusion to realize better treatment, so that the liquid discharge pipe has better treatment effect, and the spilled waste liquid is timely discharged downwards through the liquid holes 51 and is timely discharged to the collecting tank 3 through the collecting tank 23 and the liquid discharge pipe 21 to realize the timely treatment of the waste liquid.

Referring to fig. 3, a raised clamping table 110 is disposed at the lower end of the air suction cover 1, a through hole 120 matched with the liquid discharge pipe 21 is disposed at the bottom of the inner side of the air suction cover 1, a plurality of exhaust holes 130 are disposed on the side surface of the air suction cover 1, the clamping table 110 is clamped with the upper port of the liquid collection box 3, and air suction and exhaust are performed through the exhaust holes 130.

Specifically, referring to fig. 2, the connecting pipes 9 are fixedly inserted into the plurality of exhaust holes 130, the plurality of connecting pipes 9 are fixedly connected with the air suction box 8, the air suction box 8 is connected with the fan through the exhaust pipe 7, and the uniform air suction into the air suction hood 1 is realized through the air suction box 8 and the plurality of connecting pipes 9.

Specifically, referring to fig. 4, a clamping groove 24 matched with the grid plate 4 is formed in a position, close to the left side, of the upper end surface of the box body 2, the lower end of the grid plate 4 is inserted and fixed in the clamping groove 24, and the grid plate 4 is installed and fixed through the clamping groove 24.

Specifically, referring to fig. 5, one end of the liquid collecting tank 3 is provided with a handle 33, the other end of the liquid collecting tank 3 is provided with an observation port 32, the other end of the liquid collecting tank 3 is provided with a yielding port 31 which is matched with the clamping table 110 and is close to the upper end, the observation of the liquid level in the liquid collecting tank 3 is realized through the arranged observation port 32, and the liquid collecting tank 3 is convenient to be clamped between the movable bottom plate 6 and the air suction hood 1 from the side surface through the arranged yielding port 31.

The working principle is that when the device is used, experimental articles are placed on the base plate 5 for experimental operation, the air suction cover 1 is used for sucking away harmful gas or particles generated in an experiment through air suction of the fan and air suction of the air suction cover through the air suction pipe 7, the air suction box 8 and the connecting pipe 9, meanwhile, the harmful gas or particles near the experimental articles are sucked away more comprehensively and thoroughly through the liquid penetrating holes 51 in the base plate 5 to avoid diffusion in a laboratory, and scattered waste liquid is timely discharged downwards through the liquid penetrating holes 51 and is timely discharged to the liquid collecting box 3 through the liquid collecting groove 23 and the liquid discharging pipe 21 for collection.

The device obtained by the design can basically meet the requirements that the existing fume hood has good treatment effect on harmful gas or harmful particles generated in an experiment and has a timely treatment function on waste liquid generated in the experiment, but a designer further improves the device by aiming at further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. The utility model provides a fume chamber for laboratory waste treatment, includes box (2), its characterized in that: the lower end of the box body (2) is provided with a movable bottom plate (6), the left side of the box body (2) is fixedly provided with an air suction cover (1) close to the upper end, the upper surface of the movable bottom plate (6) is arranged on the left side of the box body (2) and is provided with a detachable liquid collecting box (3), the upper end of the liquid collecting box (3) is provided with the air suction cover (1), the right lower end of the air suction cover (1) is fixedly connected with the box body (2), the upper end surface of the box body (2) is provided with a mounting cavity (22), a base plate (5) is arranged on the inner side of the mounting cavity (22), the base plate (5) is arranged into a hollow shell, the base plate (5) is opened towards one end and the lower end surface of the air suction cover (1), the upper surface of the base plate (5) is provided with uniformly distributed holes (51), the upper end surface of the box body (2) is, the inner side bottom of the installation cavity (22) is provided with a liquid collecting groove (23), the left end of the liquid collecting groove (23) is provided with a liquid discharging pipe (21), and one end of the liquid discharging pipe (21) penetrates through the inner side bottom of the grid plate (4) and the air suction cover (1) to be connected with the liquid collecting box (3).

2. The laboratory waste treatment fume hood according to claim 1, characterized in that the lower end of the air suction hood (1) is provided with a raised clamping table (110), the bottom of the inner side of the air suction hood (1) is provided with a through hole (120) matched with the liquid discharge pipe (21), and the side surface of the air suction hood (1) is provided with a plurality of air discharge holes (130).

3. The laboratory waste treatment ventilation hood according to claim 2, wherein a plurality of the exhaust holes (130) are fixedly inserted with connecting pipes (9), and a plurality of the connecting pipes (9) are fixedly connected with an air suction box (8), and the air suction box (8) is connected with a fan through an exhaust pipe (7).

4. The laboratory waste treatment fume hood according to claim 3, wherein a clamping groove (24) matched with the grid plate (4) is arranged at a position close to the left side of the upper end surface of the box body (2), and the lower end of the grid plate (4) is inserted and fixed in the clamping groove (24).

5. The laboratory waste treatment fume hood according to claim 4, wherein a handle (33) is provided at one end of the liquid collecting tank (3), a viewing port (32) is provided at the other end of the liquid collecting tank (3), and a position-giving port (31) which is engaged with the cassette table (110) is provided at the other end of the liquid collecting tank (3) near the upper end.