CN214634750U

CN214634750U - Efficient exhaust filtering device with in-situ disinfection function

Info

Publication number: CN214634750U
Application number: CN202120389291.3U
Authority: CN
Inventors: 王伟刚; 徐立金; 杨兴旺
Original assignee: Suzhou Fischer Purification Technology Co ltd
Current assignee: Suzhou Fischer Purification Technology Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-11-09
Anticipated expiration: 2031-02-22

Abstract

The utility model discloses an air exhaust high-efficiency filter device with in-situ disinfection function, which belongs to the technical field of air exhaust devices and comprises a support plate, wherein support columns are arranged at four corners of the lower end surface of the support plate, a box body is arranged on the upper end surface of the support plate, a gas inlet is arranged at the right end of the box body, an air inlet valve is arranged at the right end of the gas inlet, a gas outlet is arranged at the left end of the box body, an air outlet valve is arranged at the right end of the gas outlet, a first ventilating plate is arranged at the left side of an inner cavity of the box body, a filter screen is fixedly connected with the right end surface of the first ventilating plate, the other side of the filter screen is fixedly connected with the left end surface of a second ventilating plate, a gas disinfection cavity is arranged at the right side of the inner cavity of the box body, a vent pipe is fixedly communicated with the upper part of the gas outlet, the other end of the vent pipe is fixedly communicated with the upper part of the gas disinfection cavity, a detection device is arranged at the left side of the vent pipe, and the device has simple structure, convenient operation and effectively improves the quality of the discharged air.

Description

Efficient exhaust filtering device with in-situ disinfection function

Technical Field

The utility model relates to an exhaust device technical field specifically is a high-efficient filter equipment airs exhaust with normal position disinfection function.

Background

Since pathogenic microorganisms are microorganisms having pathogenicity to humans and animals, which easily cause infection or even infectious disease, and harmful bioaerosol is easily formed in the operation processes of detection, experiment and the like of pathogenic microorganisms, if harmful bioaerosols diffuse outside the laboratory, they can cause serious contamination of the laboratory itself and the surrounding environment, causing major public health incidents, therefore, in order to ensure the personal safety of the working personnel, the polluted air discharged by biosafety environmental facilities such as laboratories and the like needs to be filtered, the prior exhaust device does not disinfect the discharged air, so that the outside air is polluted, even if there is degassing unit also can't carry out circulation treatment, guarantees that the air that discharges reaches standard, for this reason, we propose a high-efficient filter equipment of airing exhaust with normal position disinfection function.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient filter equipment airs exhaust with normal position disinfection function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air exhaust high-efficiency filtering device with an in-situ disinfection function comprises a supporting plate, wherein supporting columns are arranged at four corners of the lower end face of the supporting plate, a box body is arranged on the upper end face of the supporting plate, a gas inlet is formed in the right end of the box body, an air inlet valve is arranged at the right end of the gas inlet, a gas outlet is formed in the left end of the box body, an air outlet valve is arranged at the right end of the gas outlet, a first ventilating plate is arranged on the left side of an inner cavity of the box body, a filter screen is fixedly connected to the right end face of the first ventilating plate, the other side of the filter screen is fixedly connected to the left end face of a second ventilating plate, a gas disinfection chamber is arranged on the right side of the inner cavity of the box body, a ventilating pipe is fixedly communicated with the upper portion of the gas outlet, the other end of the ventilating pipe is fixedly communicated with the upper portion of the gas disinfection chamber, a detection device is arranged on the left side of the ventilating pipe, a throttling valve is fixedly connected to the middle portion of the ventilating pipe, and a gas pipe is fixedly connected with a gas pipe, the other end of the gas transmission pipe is fixedly connected with a gas circulating device, and the gas circulating device is arranged at the bottom of the inner cavity of the gas disinfection cavity.

Preferably, detection device includes that link, airtight isolation valve, disinfection verify chamber, net glass, biological indicator and sealed lid, breather pipe left side up end fixedly connected with link, the upper end of link is connected with airtight isolation valve, the upper end of airtight isolation valve is connected with the disinfection and verifies the chamber, the disinfection is verified outer wall of the chamber cover and is had sealed lid, the net glass has been placed to the disinfection verification chamber inner chamber, biological indicator has been placed to the net glass inner chamber.

Preferably, the filter screen is W-shaped, and the upper end and the lower end of the filter screen are respectively fixed on the upper end face and the lower end face of the inner cavity of the box body.

Preferably, the end faces of the first ventilating plate and the second ventilating plate are uniformly provided with ventilating holes, and the inner cavities of the ventilating holes are provided with fine filtering nets.

Preferably, the gas transmission pipe is a stainless steel gas transmission pipe, and the left end of the gas disinfection chamber is communicated with the second vent plate.

Preferably, the biological indicator is a PH paper.

Compared with the prior art, the beneficial effects of the utility model are that: through disinfection cavity, second ventilating board, filter screen and first ventilating board, guarantee that the air can get into gaseous degassing unit for the first time and disinfect, then filter through second ventilating board, filter screen and first ventilating board, guarantee that the air quality is up to standard, the convenient emission.

Through breather pipe, detection device, choke valve, gas-supply pipe and gas circulating device, guarantee that the filterable gas of first disinfection gets into the breather pipe, through the colour of looking over the PH test paper, learn to have or not to disinfect completely, open the choke valve, guarantee the gas reflux, disinfect through gaseous degassing unit once more, guarantee that air discharge is normal.

Drawings

FIG. 1 is a diagram: the structure schematic diagram of the air exhaust high-efficiency filtering device with the in-situ disinfection function of the utility model is shown;

FIG. 2 is a diagram of: the utility model discloses detection device structure schematic diagram.

In the figure: 1. a support plate; 2. a support pillar; 3. an intake valve; 4. a gas inlet; 5. a gas sterilization chamber; 6. a box body; 7. a throttle valve; 8. a breather pipe; 9. a gas outlet; 10. an air outlet valve; 11. a first vent panel; 12. filtering with a screen; 13. a second vent plate; 14. a gas delivery pipe; 15. a gas circulation device; 16. a connecting end; 17. sealing the isolation valve; 18. a sterilization verification chamber; 19. a mesh cup; 20. a biological indicator; 21. and (7) sealing the cover.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Example 1

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a high-efficient filter equipment airs exhaust with normal position disinfection function, including backup pad 1, 1 terminal surface four corners department all is equipped with support column 2 under the backup pad, 1 up end of backup pad is equipped with

box

6, 6 right-hand members of box are equipped with

gas feed

4, 4 right-hand members of gas feed are equipped with air inlet valve 3, 6 left ends of box are equipped with gas outlet 9, 9 right-hand members of gas outlet are equipped with

gas outlet valve

10, 6 left and right sides of box symmetrical setting, guarantee that the air normally passes through, be equipped with the dead lever between the adjacent support column 2, guarantee support column 2's stability.

Referring to fig. 1, a first ventilation board 11 is arranged on the left side of an inner cavity of a box body 6, a filter screen 12 is fixedly connected to the right end face of the first ventilation board 11, the other side of the filter screen 12 is fixedly connected to the left end face of a second ventilation board 13, a gas disinfection chamber 5 is arranged on the right side of the inner cavity of the box body 1, a gap is formed between the gas disinfection chamber 5 and the second ventilation board 13, and an exhaust port is arranged on the left side of the gas disinfection chamber 5 to ensure that gas passing through disinfection can be exhausted.

Referring to fig. 1, a vent pipe 8 is fixedly communicated with the upper part of the gas outlet 9, the other end of the vent pipe 8 is fixedly communicated with the upper part of the gas disinfection chamber 5, a detection device is arranged on the left side of the vent pipe 8, a throttle valve 7 is fixedly connected with the middle part of the vent pipe 8, a gas pipe 14 is fixedly connected with the other end of the vent pipe 8, a gas circulation device 15 is fixedly connected with the other end of the gas pipe 14, the gas circulation device 15 is arranged at the bottom of the inner cavity of the gas disinfection chamber 5, the vent pipe 8 ensures that the gas outlet 9 is communicated with the gas disinfection chamber 5, and the gas circulation device 15 is an exhaust fan and ensures that gas can flow back to the inside of the disinfection chamber 5.

Referring to fig. 2, the detection device includes a connection end 16, a closed isolation valve 17, a disinfection verification cavity 18, a mesh cup 19, a biological indicator 20 and a sealing cover 21, the connection end 16 is fixedly connected to the upper end face of the left side of the vent pipe 8, the upper end of the connection end 16 is connected with the closed isolation valve 17, the upper end of the closed isolation valve 17 is connected with the disinfection verification cavity 18, the sealing cover 21 is sleeved on the outer wall of the disinfection verification cavity 18, the mesh cup 19 is placed in the inner cavity of the disinfection verification cavity 18, the biological indicator 20 is placed in the inner cavity of the mesh cup 19, the connection end 16 is a flange, normal communication of air is guaranteed, the sealing cover 21 is a rubber plug, and it is guaranteed that gas which is not completely disinfected cannot be leaked.

Referring to fig. 1, the filter 12 is W-shaped, and the upper and lower ends of the filter 12 are respectively fixed to the upper and lower end surfaces of the inner cavity of the box 1, so as to ensure that the filter 12 can block particles in the air and prevent the particles from being discharged from the gas outlet 9, and the filter 12 is made of stainless steel net, so as to ensure the stability of the filter 12.

Referring to fig. 1, the end faces of the first ventilating plate 11 and the second ventilating plate 13 are uniformly provided with vent holes, and fine filtering nets are arranged in the inner cavities of the vent holes, the diameter of each vent hole is 10-15mm, so that larger particles can pass through the vent holes, the pressure of the filtering net 12 is increased, the pressure of the filtering net 12 can be reduced by the fine filtering nets, and the particles in the air can be efficiently filtered.

Referring to fig. 1, the air pipe 14 is a stainless steel air pipe, and the left end of the air sterilization chamber 5 is communicated with the second vent plate 13, so as to ensure that the air pipe 14 is not corroded by air, prolong the service life of the air pipe 14, and ensure that air passing through the air sterilization chamber 5 can pass through the second vent plate 13.

Referring to fig. 2, the biological indicator 20 is a PH test paper disposed inside the mesh cup 19, so as to ensure that the PH test paper does not contact with the outside air, and can stably detect whether the air contains different gases with different PH values, thereby facilitating detection.

The working principle is as follows: during the use, open air inlet valve 3, guarantee that the air carries out 4 inner chambers of gas inlet, the air passes through 5 inner chambers of gaseous disinfection cavity, disinfect, then rethread second ventilating board 13, filter screen 12 and first ventilating board 11, close air outlet valve 10, guarantee that the fan will be disinfected gas suction breather pipe 8 inner chambers for the first time, through looking over the colour change of biological indicator 20, detect out the quality of air, whether open choke valve 7, biological indicator 20 colour is for not changing colour, close gas circulation device 15, open air outlet valve 10, otherwise, biological indicator 20 colour changes, open choke valve 7 and gas circulation device 15, guarantee that gas gets into 5 inner chambers of gaseous disinfection cavity once more and disinfect, until PH test paper colour does not change, can discharge the air.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient filter equipment airs exhaust with normal position disinfection function, includes backup pad (1), its characterized in that: the gas disinfection device is characterized in that support columns (2) are arranged at four corners of the lower end face of the support plate (1), a box body (6) is arranged on the upper end face of the support plate (1), a gas inlet (4) is arranged at the right end of the box body (6), an air inlet valve (3) is arranged at the right end of the gas inlet (4), a gas outlet (9) is arranged at the left end of the box body (6), an air outlet valve (10) is arranged at the right end of the gas outlet (9), a first ventilating plate (11) is arranged at the left side of an inner cavity of the box body (6), a filter screen (12) is fixedly connected to the right end face of the first ventilating plate (11), the other side of the filter screen (12) is fixedly connected to the left end face of a second ventilating plate (13), a gas disinfection chamber (5) is arranged at the right side of the inner cavity of the box body (6), a ventilating pipe (8) is fixedly communicated with the upper portion of the gas disinfection chamber (5) at the other end of the ventilating pipe (8), the utility model discloses a gas disinfection device, including breather pipe (8), breather pipe (8) left side is equipped with detection device, breather pipe (8) middle part fixedly connected with choke valve (7), breather pipe (8) other end fixedly connected with gas-supply pipe (14), gas-supply pipe (14) other end fixedly connected with gas circulation device (15), gas circulation device (15) set up in gaseous disinfection cavity (5) inner chamber bottom.

2. The air-exhausting efficient filtering device with in-situ disinfection function as claimed in claim 1, wherein: detection device includes link (16), airtight isolation valve (17), disinfection verification chamber (18), net glass (19), biological indicator (20) and sealed lid (21), breather pipe (8) left side up end fixedly connected with link (16), the upper end of link (16) is connected with airtight isolation valve (17), the upper end of airtight isolation valve (17) is connected with disinfection verification chamber (18), the outer wall cover in disinfection verification chamber (18) has sealed lid (21), net glass (19) have been placed to disinfection verification chamber (18) inner chamber, biological indicator (20) have been placed to net glass (19) inner chamber.

3. The air-exhausting efficient filtering device with in-situ disinfection function as claimed in claim 1, wherein: the filter screen (12) is W-shaped, and the upper end and the lower end of the filter screen (12) are respectively fixed on the upper end face and the lower end face of the inner cavity of the box body (6).

4. The air-exhausting efficient filtering device with in-situ disinfection function as claimed in claim 1, wherein: the end faces of the first ventilating plate (11) and the second ventilating plate (13) are uniformly provided with air holes, and fine filter screens are arranged in inner cavities of the air holes.

5. The air-exhausting efficient filtering device with in-situ disinfection function as claimed in claim 1, wherein: the gas conveying pipe (14) is a stainless steel gas conveying pipe, and the left end of the gas disinfection chamber (5) is communicated with the second vent plate (13).

6. The air-exhausting efficient filtering device with in-situ disinfection function as claimed in claim 2, wherein: the biological indicator (20) is a pH test paper.