CN214129631U - Biological safety positive pressure hood disinfection cabinet - Google Patents
Biological safety positive pressure hood disinfection cabinet Download PDFInfo
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- CN214129631U CN214129631U CN202023108770.8U CN202023108770U CN214129631U CN 214129631 U CN214129631 U CN 214129631U CN 202023108770 U CN202023108770 U CN 202023108770U CN 214129631 U CN214129631 U CN 214129631U
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Abstract
The utility model discloses a biological safety positive pressure hood disinfection cabinet, which comprises a stainless steel cabinet body and a cabinet door, wherein the stainless steel cabinet body is provided with an accommodating cavity; a hood hook is arranged in the accommodating cavity; a first hydrogen peroxide gas disinfection device and a first ultraviolet radiation disinfection device are arranged in the accommodating cavity; the first hydrogen peroxide gas disinfection device comprises a first hydrogen peroxide gas conveying main pipe, a first hydrogen peroxide gas conveying branch pipe and a hydrogen peroxide gas return pipe; the first ultraviolet radiation disinfection device comprises a first stainless steel wire sleeve main pipe, a first stainless steel wire sleeve branch pipe, a first ultraviolet lamp and an electric cabinet; the top of the accommodating cavity is horizontally provided with a hydrogen peroxide gas return pipe, and the hydrogen peroxide gas return pipe is provided with a plurality of return holes. The utility model discloses an utilize hydrogen peroxide gas and ultraviolet lamp to carry out the common disinfection operation to the hood, can disinfect to the positive and negative of hood, it is effectual to disinfect, disinfection process high efficiency.
Description
Technical Field
The utility model relates to a malleation hood degassing unit technical field, in particular to biological safety malleation hood sterilizer.
Background
At present, when working in a working environment of a biological safety third-level laboratory with high infectivity, workers must comply with GB50346-2011 'technical Specification for biological safety laboratory construction', the technical index of which is a second-level barrier, and the workers can effectively isolate viruses or bacteria only by wearing special protective clothing and a positive pressure biological protective hood (hereinafter referred to as a hood). However, the cost of the existing protective hood equipment is high, and the protective hood equipment can be reused after being sprayed with chemical reagent disinfectant for disinfection after each use.
In the prior art, a mode of directly spraying a chemical reagent disinfectant is usually adopted for disinfection treatment, and on one hand, the mode is huge and serious in waste; on the other hand, the disinfection effect is poor; in addition, if spray disinfection to the positive and negative of hood, then still need the upset hood, there is the problem that wastes time and energy.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a biological safety malleation hood sterilizer, the disinfection is effectual, no dead angle, disinfection process high efficiency.
In order to solve the technical problem, the utility model discloses a technical scheme does:
a biological safety positive pressure hood disinfection cabinet comprises a stainless steel cabinet body, wherein a cabinet door is hinged on the front end face of the stainless steel cabinet body; the stainless steel cabinet body is provided with an accommodating cavity; a first hood hanging rod is arranged at the top of the accommodating cavity, and a hood hook is arranged on the first hood hanging rod;
a first hydrogen peroxide gas disinfection device and a first ultraviolet irradiation disinfection device are arranged in the accommodating cavity; the first hydrogen peroxide gas disinfection device comprises a first hydrogen peroxide gas conveying main pipe, a first hydrogen peroxide gas conveying branch pipe and a hydrogen peroxide gas return pipe; the first ultraviolet radiation disinfection device comprises a first stainless steel wire sleeve main pipe, a first stainless steel wire sleeve branch pipe, a first ultraviolet lamp and an electric cabinet;
a first hydrogen peroxide gas conveying main pipe is horizontally arranged at the lower part of the accommodating cavity; one end of the first hydrogen peroxide gas conveying main pipe is in a sealed shape, the other end of the first hydrogen peroxide gas conveying main pipe penetrates through the side wall of the stainless steel cabinet body and then extends towards the outside of the stainless steel cabinet body, and a first quick connector is connected to the extending tail end; a plurality of first hydrogen peroxide gas conveying branch pipes are vertically and fixedly communicated with the first hydrogen peroxide gas conveying main pipe, and hydrogen peroxide gas injection ports are formed in the top ends of the first hydrogen peroxide gas conveying branch pipes;
a first stainless steel wire casing main pipe which is horizontally arranged is arranged in the accommodating cavity, a plurality of first stainless steel wire casing branch pipes are vertically and fixedly communicated with the first stainless steel wire casing main pipe, and a first ultraviolet lamp is installed at the top ends of the first stainless steel wire casing branch pipes; the electric wire of the first ultraviolet lamp sequentially passes through the inner cavities of the first stainless steel wire sleeve branch pipe and the first stainless steel wire sleeve main pipe and then is connected into the electric control box, and one end of the first stainless steel wire sleeve main pipe penetrates through the side wall of the stainless steel cabinet body and then extends outwards; the electric cabinet is arranged on the outer side wall of the stainless steel cabinet body, and a first ultraviolet lamp switch and a time controller are arranged in the electric cabinet; the first ultraviolet lamps and the hydrogen peroxide gas conveying branch pipes are arranged in a one-to-one adjacent and corresponding mode; a hydrogen peroxide gas return pipe is horizontally arranged at the top of the accommodating cavity, one end part of the hydrogen peroxide gas return pipe is closed, the other end part of the hydrogen peroxide gas return pipe penetrates through the side wall of the stainless steel cabinet body and extends towards the outside of the stainless steel cabinet body, and a second quick connector is connected to the extending tail end; the hydrogen peroxide gas return pipe is provided with a plurality of return holes.
Furthermore, a stainless steel partition plate is arranged in the accommodating cavity to divide the accommodating cavity into an upper accommodating cavity and a lower accommodating cavity, and a plurality of communicating holes are formed in the stainless steel partition plate in a penetrating manner; the first hydrogen peroxide gas disinfection device and the first ultraviolet irradiation disinfection device are both arranged in the upper accommodating cavity; a second hydrogen peroxide gas disinfection device and a second ultraviolet irradiation disinfection device are arranged in the lower accommodating cavity, a second hood hanging rod is arranged at the top of the lower accommodating cavity, and a hood hook is also arranged on the second hood hanging rod; the second hydrogen peroxide gas disinfection device comprises a second hydrogen peroxide gas conveying main pipe; one end of the second hydrogen peroxide gas conveying main pipe is sealed, the other end of the second hydrogen peroxide gas conveying main pipe penetrates through the side wall of the stainless steel cabinet body and then extends towards the outside of the stainless steel cabinet body, and a third hydrogen peroxide gas conveying main pipe is connected to the extending tail end; the other end of the third hydrogen peroxide gas conveying main pipe is connected to the first hydrogen peroxide gas conveying main pipe located on the outer side of the stainless steel cabinet body.
Furthermore, a hood unfolding part is sleeved outside the first ultraviolet lamp.
Furthermore, the whole head cover unfolding part is in a lantern shape, and the two ends of the head cover unfolding part are small and the middle of the head cover unfolding part is large; the head cover unfolding part comprises a plurality of coaxially arranged stainless steel circular rings, a top necking part, a bottom necking part and a plurality of stainless steel wires; the bottom necking part is funnel-shaped, and the bottom end of the bottom necking part is in threaded connection with the top of the first stainless steel wire casing branch pipe; and the top necking part, the stainless steel ring and the bottom necking part are fixedly connected through a plurality of stainless steel wires arranged from top to bottom.
Further, the backflow hole is arranged at the top end of the hydrogen peroxide gas backflow pipe.
Furthermore, a glass observation window is arranged on the cabinet door.
Furthermore, the bottom of the stainless steel cabinet body is provided with universal wheels.
Furthermore, the top and the bottom of the upper accommodating cavity and the top and the bottom of the lower accommodating cavity are respectively provided with a plurality of second ultraviolet lamps.
Furthermore, a magnetic suction strip is arranged in the cabinet door, and a sealing rubber strip is arranged on the front end face of the stainless steel cabinet body.
The utility model has the advantages that:
(1) when in use, the utility model is combined with a hydrogen peroxide generator for use; the gas outlet of the hydrogen peroxide generator is connected with the first quick connector through a pipeline, and the second quick connector is connected to the gas return port of the hydrogen peroxide generator through a pipeline; when the head cover is sterilized, the top of the head cover is hung on a hook of the head cover, the interior of the head cover is covered on the hydrogen peroxide gas conveying branch pipe and the ultraviolet lamp, hydrogen peroxide gas from the hydrogen peroxide generator sequentially passes through the first hydrogen peroxide gas conveying main pipe, the hydrogen peroxide gas conveying branch pipe and the hydrogen peroxide gas jet opening and then is directly sprayed into the head cover for sterilization, the hydrogen peroxide gas escaping from the interior of the head cover is expanded into the containing cavity, the exterior of the head cover can be sterilized, and the redundant hydrogen peroxide gas reflows from the hydrogen peroxide gas backflow pipe and returns to the hydrogen peroxide generator, so that the hydrogen peroxide sterilization part of the head cover is completed; meanwhile, when the head cover is sterilized by hydrogen peroxide gas, the head cover is sterilized by ultraviolet irradiation by turning on the ultraviolet lamp.
(2) The utility model discloses an utilize hydrogen peroxide gas and ultraviolet lamp to carry out the common disinfection operation to the hood, can disinfect to the positive and negative of hood, it is effectual to disinfect, disinfection process high efficiency.
(3) The utility model discloses in through the setting of hood expansion portion, can play the effect of extension to the hood, and then can reduce the hood because the fold leads to the disinfection abundant inadequately.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a right side view of the present invention;
FIG. 3 is a schematic view of the cabinet of FIG. 1 after the door is opened;
FIG. 4 is an enlarged view of part A of FIG. 3;
fig. 5 is a schematic structural view of the hydrogen peroxide gas reflux pipe according to the present invention.
In the figure, 1-stainless steel cabinet body, 2-cabinet door, 3-accommodating cavity, 4-hood hook, 5-first hydrogen peroxide gas sterilizing device, 6-first ultraviolet radiation sterilizing device, 7-first quick joint, 8-hydrogen peroxide gas return pipe, 9-second quick joint, 10-return hole, 11-stainless steel partition plate, 12-second hydrogen peroxide gas sterilizing device, 13-second ultraviolet radiation sterilizing device, 14-third hydrogen peroxide gas conveying main pipe, 15-hood unfolding part, 16-glass observation window, 17-universal wheel, 30-upper accommodating cavity, 31-lower accommodating cavity, 50-first hydrogen peroxide gas conveying main pipe, 51-hydrogen peroxide gas conveying branch pipe, 60-first stainless steel wire and sleeve main pipe, 61-a first stainless steel wire sleeve branch pipe, 62-a first ultraviolet lamp, 63-an electric cabinet and 200-a sealing rubber strip.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-5, a biosafety positive pressure hood disinfection cabinet comprises a stainless steel cabinet body 1, wherein a cabinet door 2 is hinged on the front end surface of the stainless steel cabinet body 1; the stainless steel cabinet body 1 is provided with an accommodating cavity 3; a first hood hanging rod is arranged at the top of the accommodating cavity 3, and a hood hook 4 is arranged on the first hood hanging rod; the hood hook 4 can be fixed on the first hood hanging rod in a fixed mode or can be only in sliding lap joint with the first hood hanging rod, and the hood hook 4 is used for hanging a hood;
a first hydrogen peroxide gas disinfection device 5 and a first ultraviolet radiation disinfection device 6 are arranged in the accommodating cavity 3; the first hydrogen peroxide gas sterilizing device 5 comprises a first hydrogen peroxide gas conveying main pipe 50, a first hydrogen peroxide gas conveying branch pipe 51 and a hydrogen peroxide gas return pipe 8; the first ultraviolet radiation disinfection device 6 comprises a first stainless steel wire sleeve main pipe 60, a first stainless steel wire sleeve branch pipe 61, a first ultraviolet lamp 62 and an electric cabinet 63, wherein a first ultraviolet lamp switch and a time controller are arranged in the electric cabinet 63;
the first ultraviolet lamp switch is used for controlling the first ultraviolet lamp 62 to be switched on or off, and the time controller is used for controlling the switching-on time of the first ultraviolet lamp 62; it should be noted that the electric control box 63, the first ultraviolet lamp switch and the time controller are all in the prior art, and conventional methods are adopted, and those skilled in the art can fully understand the above.
A first hydrogen peroxide gas delivery manifold 50 is horizontally arranged at the lower part of the accommodating cavity 3; one end of the first hydrogen peroxide gas conveying main pipe 50 is in a sealed shape, the other end of the first hydrogen peroxide gas conveying main pipe penetrates through the side wall of the stainless steel cabinet body 1 and extends towards the outside of the stainless steel cabinet body 1, and the extending tail end of the first hydrogen peroxide gas conveying main pipe is connected with a first quick joint 7; a plurality of first hydrogen peroxide gas conveying branch pipes 51 are vertically and fixedly communicated with the first hydrogen peroxide gas conveying main pipe 50, and hydrogen peroxide gas injection ports are formed in the top ends of the first hydrogen peroxide gas conveying branch pipes 51;
a first stainless steel conduit main pipe 60 which is horizontally arranged is arranged in the accommodating cavity 3, a plurality of first stainless steel conduit branch pipes 61 are vertically and fixedly communicated with the first stainless steel conduit main pipe 60, and a first ultraviolet lamp 62 is arranged at the top ends of the first stainless steel conduit branch pipes 61; the wires of the first ultraviolet lamp 62 sequentially pass through the inner cavities of the first stainless steel bushing branch pipe 61 and the first stainless steel bushing main pipe 60 and then are connected into the electric cabinet 63, and one end of the first stainless steel bushing main pipe 60 penetrates through the side wall of the stainless steel cabinet body 1 and extends outwards; the electric cabinet 63 is arranged on the outer side wall of the stainless steel cabinet body 1; the first ultraviolet lamps 62 and the hydrogen peroxide gas conveying branch pipes 51 are arranged in a one-to-one adjacent and corresponding manner; a hydrogen peroxide gas return pipe 8 is horizontally arranged at the top of the accommodating cavity 3, one end part of the hydrogen peroxide gas return pipe 8 is closed, the other end part of the hydrogen peroxide gas return pipe 8 penetrates through the side wall of the stainless steel cabinet body 1 and then extends to the outside of the stainless steel cabinet body 1, and the extending tail end of the hydrogen peroxide gas return pipe is connected with a second quick coupling 9; the hydrogen peroxide gas return pipe 8 is provided with a plurality of return holes 10.
The arrangement of the first quick connector 7 and the second quick connector 9 in the utility model is convenient for connecting with a hydrogen peroxide gas generator for providing hydrogen peroxide gas; specifically, the first quick coupling 7 is connected with an air outlet of the hydrogen peroxide gas generator through a hydrogen peroxide gas conveying pipeline, and the second quick coupling 9 is connected with an air return port of the hydrogen peroxide gas generator through a hydrogen peroxide gas conveying pipeline; the hydrogen peroxide gas generator, the first quick coupling 7 and the second quick coupling 9 according to the present invention are all the prior art, and will not be further described herein, and can be fully understood by those skilled in the art.
It should be noted that, in the present invention, the setting of the first ultraviolet lamp 62 is specified according to the appendix c.6 ultraviolet disinfection terms of the WST367-2012 "medical institution disinfection technical specification" and the GB19258-2012 "ultraviolet germicidal lamp" 5.8 ultraviolet radiation illuminance terms, the lamp tube of the first ultraviolet lamp 62 is the lamp tube with the ultraviolet spectrum band of 253.7nm, and the ultraviolet intensity is not lower than 70 μ W/cm 2.
Further, a stainless steel partition plate 11 is arranged in the accommodating cavity 3 to divide the accommodating cavity 3 into an upper accommodating cavity 30 and a lower accommodating cavity 31, and a plurality of communicating holes are formed in the stainless steel partition plate 11 in a penetrating manner; the first hydrogen peroxide gas sterilizing device 5 and the first ultraviolet radiation sterilizing device 6 are both arranged in the upper accommodating cavity 30; a second hydrogen peroxide gas disinfection device 12 and a second ultraviolet radiation disinfection device 13 are arranged in the lower accommodating cavity 31, a second hood hanging rod is arranged at the top of the lower accommodating cavity 31, and a hood hook 4 is also arranged on the second hood hanging rod; the second hydrogen peroxide gas sterilizing device 12 comprises a second hydrogen peroxide gas delivery manifold 120; one end of the second hydrogen peroxide gas conveying main pipe 120 is sealed, the other end of the second hydrogen peroxide gas conveying main pipe penetrates through the side wall of the stainless steel cabinet body 1 and extends towards the outside of the stainless steel cabinet body 1, and a third hydrogen peroxide gas conveying main pipe 14 is connected to the extending tail end; the other end of the third hydrogen peroxide gas delivery manifold 14 is connected to the first hydrogen peroxide gas delivery manifold 50 located outside the stainless steel cabinet 1.
Through adopting above-mentioned design, two-layer structural design can further improve the disinfection efficiency to the hood.
Further, the first ultraviolet lamp 62 is externally sleeved with a hood deployment part 15. The hood deployment section 15 is used to expand the hood and thereby avoid the hood from being insufficiently sterilized due to wrinkles.
Further, the whole head cover unfolding part 15 is in a lantern shape, and the two ends of the head cover unfolding part are small and the middle of the head cover unfolding part is large; the hood deployment section 15 comprises a plurality of coaxially arranged stainless steel rings 150, a top throat 151, a bottom throat 152, and a plurality of stainless steel wires 153; the bottom necking part 152 is funnel-shaped, and the bottom end of the bottom necking part 152 is in threaded connection with the top of the first stainless steel wire sleeve branch pipe 61; the top necking part 151, the stainless steel ring 150 and the bottom necking part 152 are fixedly connected through a plurality of stainless steel wires 153 arranged from top to bottom.
It should be noted that the hood deployment section 15 of the present invention is not limited to the above-described design, and may be designed in an umbrella shape, for example, and may also serve to expand the hood.
Further, the backflow hole 10 is disposed at the top end of the hydrogen peroxide gas backflow pipe 8.
Further, in order to better observe the disinfection condition of the hood, a glass observation window 16 is arranged on the cabinet door 2.
Further, the bottom of the stainless steel cabinet body 1 is provided with universal wheels 17. The universal wheels 17 are arranged, so that the stainless steel cabinet body 1 can be moved better.
Further, the top and the bottom of the upper accommodating chamber 30 and the top and the bottom of the lower accommodating chamber 31 are respectively provided with a plurality of second ultraviolet lamps. Through the design of the second ultraviolet lamp, the outside of the head cover can be further irradiated and disinfected.
Furthermore, a magnetic suction strip is arranged in the cabinet door 2, and a sealing rubber strip 200 is arranged on the front end face of the stainless steel cabinet body 1. Through the design, the stainless steel cabinet body 1 and the cabinet door 2 have better sealing effect.
The utility model discloses a theory of operation:
when in use, the utility model is combined with a hydrogen peroxide generator for use; the gas outlet of the hydrogen peroxide generator is connected with the first quick connector 7 through a pipeline, and the second quick connector 9 is connected with the gas return port of the hydrogen peroxide generator through a pipeline; when the head cover is sterilized, the top of the head cover is hung on a head cover hook 4, the head cover is sleeved on a hydrogen peroxide gas conveying branch pipe 61 and a first ultraviolet lamp 62, hydrogen peroxide gas from a hydrogen peroxide generator sequentially passes through a first hydrogen peroxide gas conveying main pipe 50, a hydrogen peroxide gas conveying branch pipe 51 and a hydrogen peroxide gas jet opening and then is directly sprayed into the head cover for sterilization, the hydrogen peroxide gas escaping from the interior of the head cover is expanded into an accommodating cavity 3, the exterior of the head cover can be sterilized, and the redundant hydrogen peroxide gas reflows from a hydrogen peroxide gas backflow pipe 8 and returns to the hydrogen peroxide generator, so that the hydrogen peroxide sterilization part of the head cover is completed;
meanwhile, when the head cover is sterilized by hydrogen peroxide gas, the electric cabinet 63 is used for starting the first ultraviolet lamp 62 to sterilize the head cover by timed ultraviolet radiation.
The utility model discloses an utilize hydrogen peroxide gas and ultraviolet lamp to carry out the common disinfection operation to the hood, can disinfect to the positive and negative of hood, it is effectual to disinfect, disinfection process high efficiency.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (9)
1. A biological safety positive pressure hood disinfection cabinet comprises a stainless steel cabinet body (1), wherein a cabinet door (2) is hinged on the front end face of the stainless steel cabinet body (1); the method is characterized in that: the stainless steel cabinet body (1) is provided with an accommodating cavity (3); a first hood hanging rod is arranged at the top of the accommodating cavity (3), and a hood hook (4) is arranged on the first hood hanging rod;
a first hydrogen peroxide gas disinfection device (5) and a first ultraviolet radiation disinfection device (6) are arranged in the accommodating cavity (3); the first hydrogen peroxide gas disinfection device (5) comprises a first hydrogen peroxide gas conveying main pipe (50), a first hydrogen peroxide gas conveying branch pipe (51) and a hydrogen peroxide gas return pipe (8); the first ultraviolet radiation disinfection device (6) comprises a first stainless steel wire sleeve main pipe (60), a first stainless steel wire sleeve branch pipe (61), a first ultraviolet lamp (62) and an electric cabinet (63);
a first hydrogen peroxide gas delivery main pipe (50) is horizontally arranged at the lower part of the accommodating cavity (3); one end of the first hydrogen peroxide gas conveying main pipe (50) is in a sealed shape, the other end of the first hydrogen peroxide gas conveying main pipe penetrates through the side wall of the stainless steel cabinet body (1) and extends towards the outside of the stainless steel cabinet body (1), and the extending tail end of the first hydrogen peroxide gas conveying main pipe is connected with a first quick joint (7); a plurality of first hydrogen peroxide gas conveying branch pipes (51) are vertically and fixedly communicated with the first hydrogen peroxide gas conveying main pipe (50), and hydrogen peroxide gas injection ports are formed in the top ends of the first hydrogen peroxide gas conveying branch pipes (51);
a first stainless steel conduit main pipe (60) which is horizontally arranged is arranged in the accommodating cavity (3), a plurality of first stainless steel conduit branch pipes (61) are vertically and fixedly communicated with the first stainless steel conduit main pipe (60), and first ultraviolet lamps (62) are installed at the top ends of the first stainless steel conduit branch pipes (61); the wires of the first ultraviolet lamp (62) sequentially pass through the inner cavities of the first stainless steel wire sleeve branch pipe (61) and the first stainless steel wire sleeve main pipe (60) and then are connected into the electric cabinet (63), and one end of the first stainless steel wire sleeve main pipe (60) penetrates through the side wall of the stainless steel cabinet body (1) and then extends outwards; the electric cabinet (63) is arranged on the outer side wall of the stainless steel cabinet body (1), and a first ultraviolet lamp switch and a time controller are arranged in the electric cabinet (63); the first ultraviolet lamps (62) and the hydrogen peroxide gas conveying branch pipes (51) are arranged in a one-to-one adjacent and corresponding mode; a hydrogen peroxide gas return pipe (8) is horizontally arranged at the top of the accommodating cavity (3), one end part of the hydrogen peroxide gas return pipe (8) is closed, the other end part of the hydrogen peroxide gas return pipe penetrates through the side wall of the stainless steel cabinet body (1) and extends towards the outside of the stainless steel cabinet body (1), and the extending tail end of the hydrogen peroxide gas return pipe is connected with a second quick coupling (9); the hydrogen peroxide gas return pipe (8) is provided with a plurality of return holes (10).
2. A biosafety positive pressure hood sterilizer of claim 1, wherein: the accommodating cavity (3) is internally provided with a stainless steel partition plate (11) which divides the accommodating cavity (3) into an upper accommodating cavity (30) and a lower accommodating cavity (31), and the stainless steel partition plate (11) is provided with a plurality of communicating holes in a penetrating manner; the first hydrogen peroxide gas disinfection device (5) and the first ultraviolet radiation disinfection device (6) are both arranged in the upper accommodating cavity (30); a second hydrogen peroxide gas disinfection device (12) and a second ultraviolet radiation disinfection device (13) are arranged in the lower accommodating cavity (31), a second hood hanging rod is arranged at the top of the lower accommodating cavity (31), and a hood hook (4) is also arranged on the second hood hanging rod; the second hydrogen peroxide gas sterilizing device (12) comprises a second hydrogen peroxide gas conveying main pipe (120); one end of the second hydrogen peroxide gas conveying main pipe (120) is sealed, the other end of the second hydrogen peroxide gas conveying main pipe penetrates through the side wall of the stainless steel cabinet body (1) and extends towards the outside of the stainless steel cabinet body (1), and the extending tail end of the second hydrogen peroxide gas conveying main pipe is connected with a third hydrogen peroxide gas conveying main pipe (14); the other end of the third hydrogen peroxide gas conveying main pipe (14) is connected to a first hydrogen peroxide gas conveying main pipe (50) positioned outside the stainless steel cabinet body (1).
3. A biosafety positive pressure hood sterilizer of claim 1, wherein: the outer sleeve of first ultraviolet lamp (62) is equipped with hood expansion portion (15).
4. A biosafety positive pressure hood sterilizer of claim 3, wherein: the whole head cover unfolding part (15) is in a lantern shape, and the two ends of the head cover unfolding part are small and the middle of the head cover unfolding part is large; the hood deployment section (15) comprises a plurality of coaxially arranged stainless steel rings (150), a top throat (151), a bottom throat (152), and a plurality of stainless steel wires (153); the bottom necking part (152) is funnel-shaped, and the bottom end of the bottom necking part (152) is in threaded connection with the top of the first stainless steel wire sleeve branch pipe (61); the top necking part (151), the stainless steel ring (150) and the bottom necking part (152) are fixedly connected through a plurality of stainless steel wires (153) arranged from top to bottom.
5. A biosafety positive pressure hood sterilizer of claim 1, wherein: the backflow hole (10) is arranged at the top end of the hydrogen peroxide gas backflow pipe (8).
6. A biosafety positive pressure hood sterilizer of claim 1, wherein: and a glass observation window (16) is arranged on the cabinet door (2).
7. A biosafety positive pressure hood sterilizer of claim 1, wherein: the bottom of the stainless steel cabinet body (1) is provided with universal wheels (17).
8. A biosafety positive pressure hood sterilizer of claim 2, wherein: the top and the bottom of the upper accommodating cavity (30) and the top and the bottom of the lower accommodating cavity (31) are respectively provided with a plurality of second ultraviolet lamps.
9. A biosafety positive pressure hood sterilizer of claim 1, wherein: the cabinet door (2) is internally provided with a magnetic suction strip, and the front end surface of the stainless steel cabinet body (1) is provided with a sealing rubber strip (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023108770.8U CN214129631U (en) | 2020-12-22 | 2020-12-22 | Biological safety positive pressure hood disinfection cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023108770.8U CN214129631U (en) | 2020-12-22 | 2020-12-22 | Biological safety positive pressure hood disinfection cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214129631U true CN214129631U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023108770.8U Active CN214129631U (en) | 2020-12-22 | 2020-12-22 | Biological safety positive pressure hood disinfection cabinet |
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| Country | Link |
|---|---|
| CN (1) | CN214129631U (en) |
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2020
- 2020-12-22 CN CN202023108770.8U patent/CN214129631U/en active Active
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