CN213823817U - Can get rid of animal safety cabinet of smell - Google Patents

Abstract

The invention discloses an animal safety cabinet capable of removing odor, which comprises: the device comprises an activated carbon filter, an efficient exhaust filter, a positive pressure cavity, a centrifugal fan, an efficient air supply filter, a circulating interlayer, a stainless steel inner container, a shell, a working area, a stainless steel workbench, a primary filter, a glass door and a control system. And (3) sucking the polluted air flow in the circulating interlayer into the positive pressure cavity by using the suction force of the centrifugal fan, then filtering 70% of the polluted air flow in the positive pressure cavity by using the air supply high-efficiency filter to form clean air flow, conveying the clean air flow to a working area, filtering 30% of the polluted air flow by using the air exhaust high-efficiency filter and the activated carbon filter to form clean air flow, and discharging the clean air flow out of the animal safety cabinet. The clean air current in the workspace becomes the contaminated air current after flowing through the workspace, and the waist hole that the contaminated air current evenly arranged all around from stainless steel table surface enters into stainless steel table surface below, then gets into the circulation intermediate layer after the primary filter filters, and simultaneously, when the clean air current flowed through the workspace, the front waist hole part indoor air current of stainless steel table surface can be flowed into in the window opening in the past, avoids the pollution in the workspace to escape outward.

Description

Can get rid of animal safety cabinet of smell

Technical Field

The utility model discloses apply for biological safety and purify the field, concretely relates to experimental animals raises and when the animal trades the cage, provides the animal safety cabinet of the smell of can getting rid of safe operational environment.

Background

At present, in the experimental animal feeding, animal dissection and inoculation experiments, one of the most common devices is the animal safety cabinet.

The animal safety cabinet is designed for protecting an operator, a laboratory environment and experimental materials from being exposed to infectious aerosol and splashes which may be generated in the operation process when the experimental materials with infectivity, such as primary cultures, strains of bacteria and viruses, diagnostic specimens and the like, are operated. The principle is that after harmful substances are filtered by the filter, the filtered air is exhausted out of the laboratory or partially returned to the working table through the exhaust system, so that the laboratory infection and the cross contamination of cultures caused by the exposure of aerosol are reduced, the environment is protected, and the environmental pollution is prevented.

However, when the animal safety cabinet is used for animal experiments, two defects exist: 1. hairs easily block the high-efficiency filter; 2. the smell on the animal risks injury to the operator.

Disclosure of Invention

The invention aims to provide a safety cabinet developed for animal experiments.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a can get rid of animal safety cabinet of smell, includes the casing, sets up the stainless steel inner bag of the lower half in the casing, shells inner wall with be equipped with the circulation intermediate layer between the stainless steel inner bag outer wall, inner bag front side opening, the casing front side is equipped with the glass door of push-and-pull from top to bottom, the glass door with the region that forms between the stainless steel inner bag inner wall is the workspace, the workspace top is equipped with air supply high efficiency filter, air supply high efficiency filter top is equipped with the malleation chamber, malleation chamber top is equipped with the high efficiency filter of airing exhaust, the high efficiency filter top of airing exhaust is equipped with the active carbon filter, the malleation intracavity is equipped with centrifugal fan, the workspace bottom is equipped with the stainless steel workstation, the waist hole of evenly having arranged around the stainless steel workstation, circulation intermediate layer bottom is equipped with the primary filter. And a control system is arranged in front of the upper half part of the shell.

The beneficial effects of the invention application are as follows: the invention uses the suction force of the centrifugal fan to suck the polluted air flow in the circulating interlayer into the positive pressure cavity, then 70% of the polluted air in the positive pressure cavity is filtered by the air supply high-efficiency filter to be changed into clean air flow which is sent to a working area, and simultaneously 30% of the polluted air is filtered by the air exhaust high-efficiency filter and the active carbon filter to be changed into clean air flow which is discharged out of the animal safety cabinet. The clean air current in the workspace becomes the contaminated air current after flowing through the workspace, and the waist hole that the contaminated air current evenly arranged all around from stainless steel table surface enters into stainless steel table surface below, then gets into the circulation intermediate layer after the primary filter filters, and simultaneously, when the clean air current flowed through the workspace, the front waist hole part indoor air current of stainless steel table surface can be flowed into in the window opening in the past, avoids the pollution in the workspace to escape outward.

Drawings

Fig. 1 is a half-sectional view of an animal safety cabinet.

Fig. 2 is an air flow pattern of the animal safety cabinet.

1. An active carbon filter, 2 an exhaust high-efficiency filter, 3 a positive pressure cavity, 4 a centrifugal fan,

5. an air supply high-efficiency filter, 6, a circulating interlayer, 7, a stainless steel inner container, 8, a shell,

9. working area, 10 stainless steel working table, 11 primary filter, 12 glass door, 13 control system

Detailed Description

The present application will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided for the purpose of illustrating the present application and are not to be construed as limiting the present application.

As shown in fig. 1, the invention relates to an animal safety cabinet capable of removing odor, which comprises a shell 8 and a stainless steel inner container 7 arranged at the lower half part in the shell 8, wherein a circulating interlayer 6 is arranged between the inner wall of the shell 8 and the outer wall of the stainless steel inner container 7, the front side of the stainless steel inner container 7 is open, a glass door 12 which can be pushed and pulled up and down is arranged at the front side of the shell 8, an area formed between the glass door 12 and the inner wall of the stainless steel inner container 7 is a working area 9, an air supply high-efficiency filter 5 is arranged at the top of the working area 9, a positive pressure cavity 3 is arranged above the air supply high-efficiency filter 5, an air exhaust high-efficiency filter 2 is arranged above the positive pressure cavity 3, an activated carbon filter 1 is arranged above the air exhaust high-efficiency filter 2, a centrifugal fan 4 is arranged in the positive pressure cavity 3, a stainless steel worktable 10 is arranged at the bottom of the working area 9, waist holes are uniformly distributed around the stainless steel worktable 10, and a primary filter 11 is arranged at the bottom of the circulating interlayer 6. The front of the upper half of the shell is provided with a control system 13.

The beneficial effects of the invention application are as follows: the invention uses the suction force of a centrifugal fan 4 to suck the polluted air flow in a circulating interlayer 6 into a positive pressure cavity 3, then 70% of the polluted air in the positive pressure cavity 3 is filtered by an air supply high-efficiency filter 5 to become clean air flow and is sent to a working area, and simultaneously 30% of the polluted air is filtered by an air exhaust high-efficiency filter 2 and an active carbon filter 1 to become clean air flow and is discharged out of an animal safety cabinet. The clean air current in the workspace becomes polluted air current after flowing through workspace 9, and polluted air current enters stainless steel workstation 10 below from the waist hole of evenly arranging all around stainless steel workstation 10, then enters circulation intermediate layer 6 after filtering through primary filter 11, and simultaneously, when clean air current flows through workspace 9, can flow into the indoor air current of the preceding waist hole part of stainless steel workstation 10 in the front from the front window opening, avoids the interior polluted air current of workspace 9 to escape outward.

Claims (3)

1. An animal safety cabinet capable of removing odor is characterized in that: the device comprises a shell, an inner container, a glass door, a working area, a high-efficiency filter, an activated carbon filter, a centrifugal fan, a primary filter and a control system, wherein the shell is a stainless steel inner container arranged at the lower half part in the shell; a circulating interlayer is arranged between the inner wall of the shell and the outer wall of the stainless steel inner container; the front side of the inner container is open; the front side of the shell is provided with a glass door which can be pushed and pulled up and down; the area formed between the glass door and the inner wall of the stainless steel inner container is a working area; the top of the working area is provided with an air supply high-efficiency filter; a positive pressure cavity is arranged above the air supply high-efficiency filter; an air exhaust high-efficiency filter is arranged above the positive pressure cavity; the active carbon filter is arranged above the exhaust high-efficiency filter; a centrifugal fan is arranged in the positive pressure cavity; a stainless steel workbench is arranged at the bottom of the working area; waist holes are uniformly distributed on the periphery of the stainless steel workbench; a primary filter is arranged at the bottom of the circulating interlayer; and a control system is arranged in front of the upper half part of the shell.

2. The animal safety cabinet for removing odor of claim 1, wherein an activated carbon filter is disposed above the air exhausting high efficiency filter.

3. The animal safety cabinet for removing odor of claim 1, wherein a primary filter is disposed at the bottom of the circulating interlayer.

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