CN214701134U

CN214701134U - Air filtering and ventilating device for medical isolation shelter

Info

Publication number: CN214701134U
Application number: CN202120701654.2U
Authority: CN
Inventors: 谭百印; 施少杰; 潘涛; 张佳欣; 钱志鹏
Original assignee: Jiangsu Zhonghao Shenlong Technology Co ltd
Current assignee: Jiangsu Zhonghao Shenlong Technology Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-12
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses an air filtering and ventilating device for a medical isolation shelter, which comprises a cabin body, an air inlet filter absorber and an air exhaust filter absorber, wherein filter mounting holes are arranged on both sides of the cabin body, a flange sleeve is fixedly arranged in each filter mounting hole, one side of the flange sleeve is provided with an air pipe interface, one end of the air pipe interface is fixedly connected with the air inlet filter absorber, one end of the air inlet filter absorber is provided with an air inlet interface, the air inlet interface is connected with a seal, the air inlet filter absorber is provided with an air outlet louver on one side far away from the air inlet interface, an active carbon adsorption filling bag is arranged in the air inlet filter absorber, one side of the active carbon adsorption filling bag is provided with a plurality of HEPA filter plates, the utility model reduces the volume of the air filtering and ventilating device, reduces the noise, improves the convenience of replacing the filter absorber and other operations, and improves the ventilation regulating capability of the air filtering and ventilating device, has high practical value.

Description

Air filtering and ventilating device for medical isolation shelter

Technical Field

The utility model relates to a strain wind ventilation unit technical field, specifically be a medical treatment is kept apart shelter with straining wind ventilation unit.

Background

The poison filtering and ventilating device is a collective protection device installed in closed workers and vehicles, tents, naval vessels and airplanes, and generally comprises a poison filter, a prefilter, an oil screen dust filter, a centrifugal ventilator, a closed valve, a ventilating pipeline, an air flow meter and the like. The air purifier is used for filtering toxic agents, biological warfare agents and radioactive dust in the outside air, then sending the filtered air into a closed cabin for breathing of people, forming overpressure inside the cabin, preventing the polluted air from permeating, ventilating an anti-virus channel and removing the polluted air brought in by people when the people enter and exit.

At present, the early toxicity filtering and ventilating device is found to be large in size, high in noise and inconvenient to install and use in practical use. Therefore, the air filtering and ventilating device for the medical isolation shelter is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an air filtering and ventilating device for a medical isolation shelter, which comprises a shelter body, an air inlet filtering absorber and an air exhaust filtering absorber, both sides of the cabin body are provided with filter mounting holes, flange sleeves are fixedly mounted in the filter mounting holes, one side of the flange sleeve is provided with an air pipe interface, one end of the air pipe interface is fixedly connected with the air inlet filtering absorber, an air inlet port is arranged at one end of the air inlet filtering absorber and is connected with the air inlet port in a sealing way, an air outlet shutter is arranged at one side of the air inlet filtering absorber far away from the air inlet port, the air inlet filtering absorber is internally provided with an active carbon adsorption filling bag, one side of the active carbon adsorption filling bag is provided with a plurality of HEPA filter sheets, wherein a V-shaped structure is formed between two adjacent HEPA filter plates, and the included angle is 21-51 degrees.

As an optimal technical scheme of the utility model, the frame is equipped with to the HEPA cassette overcoat, both sides all are equipped with the slide rail about the frame, the slide rail is made with smooth wear-resisting polytetrafluoroethylene material, is convex, the frame passes through slide rail and air inlet filter absorber sliding connection.

As an optimized technical scheme of the utility model, a plurality of active carbon are filled in the active carbon adsorption filler bag, just the active carbon adsorption filler bag is polyurethane matrix material fibrofelt, is that the honeycomb active carbon filter screen is made at polyurethane matrix material loading active carbon.

As a preferred technical scheme of the utility model, the opening has been seted up to air inlet gas particulate filter one side, fixed mounting has the filter apron in the opening, be equipped with the strengthening rib on the filter apron, just be equipped with on the filter apron and compress tightly the lock.

As an optimal technical scheme of the utility model, the flange cover inboard is equipped with elementary filtration cotton, elementary filtration cotton inboard is equipped with the fan mount, fixed mounting has air intake fan on the fan mount.

As an optimal technical scheme of the utility model, be equipped with the air inlet diffuser between air inlet interface and the active carbon adsorption packing bag, be equipped with the air-out diffuser between air-out tripe and the HEPA cassette.

As an optimized technical scheme of the utility model, both appearances of air inlet and exhaust air filtering absorber are the same, and the internal structure is arranged oppositely.

The utility model has the advantages that:

1. according to the air filtering and ventilating device for the medical isolation shelter, a V-shaped structure is formed between two adjacent HEPA filter sheets through the HEPA filter sheets, the included angle is 21-51 degrees, the HEPA expansion area can be effectively increased through angle setting, the requirements of air inlet quantity and air outlet quantity are met, a plurality of HEPA filter sheets are integrally combined into a wave-shaped structure, the wave-shaped structure is fixedly arranged in a frame, the gas is enabled to form rotational flow in a V-shaped air channel, the gas is enabled to be in full contact with a filter material, the removal efficiency is better, the usable area of the filter material can be greatly increased, the HEPA made of glass fiber is adopted, the ultra-efficient filtering efficiency is achieved, the air filtering and ventilating device has the characteristic of strong structure, and the problems of bending, breaking and leakage of a filter element after a large-size filter runs for a long time can be solved;

2. according to the air filtering and ventilating device for the medical isolation shelter, a plurality of activated carbons are filled in an activated carbon adsorption filler bag, the activated carbon adsorption filler bag is a polyurethane base material fiber felt, a honeycomb activated carbon filter screen is made by loading activated carbons on a polyurethane base material, the carbon content of the activated carbon adsorption filler bag is about 50% -70%, the activated carbon adsorption filler bag has good adsorption performance and can be used for air purification, volatile organic compounds and pollutants such as tiny dust, smoke, odor, methanol and the like in air are removed, the air permeability is good, efficient adsorption is achieved, meanwhile, the air permeability of the fiber felt is possessed, the elasticity is good, the processing is easy, and meanwhile, the air filtering and ventilating device has the purification effect of the activated carbons on harmful gases, peculiar smell, germs and the like;

3. this kind of medical treatment isolation shelter is with straining wind ventilation unit, when running through air intake fan, with external contaminated air earlier through elementary filter pulp, filtered great dust particle, then get into air inlet filtering absorber, filtered the living wherein, change the pollutant again, get into the cabin, when airing exhaust, contaminated air gets into the filtering absorber that airs exhaust, filtered the living wherein again, changes the pollutant, gets rid of outside the cabin, the utility model discloses, reduced the volume of straining wind ventilation unit, reduced the noise, improve the convenience of changing operations such as filtering absorber to improve the ventilation regulating power of straining wind ventilation unit, have higher practical value.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the structure of the air filtering and ventilating device for the medical isolation shelter of the present invention;

FIG. 2 is a main body view of an air intake filter absorber of the air filtering and ventilating device for the medical isolation shelter of the present invention;

FIG. 3 is a sectional view of the air intake filtering absorber of the air filtering and ventilating device for the medical isolation shelter of the present invention;

FIG. 4 is a schematic structural view of a HEPA filter of the air filtering and ventilating device for the medical isolation shelter of the present invention;

FIG. 5 is a schematic view of the structure of the flange sleeve of the air filtering and ventilating device for the medical isolation shelter of the present invention;

fig. 6 is a schematic view of the fan fixing frame structure of the air filtering and ventilating device for the medical isolation shelter.

In the figure: 1. placing the cabin body; 2. an intake air filtering absorber; 3. an exhaust air filtering absorber; 4. a filter mounting hole; 5. an air inlet interface; 6. a filter cover plate; 7. air outlet shutters; 8. an air inlet diffuser; 9. activated carbon adsorption packing bags; 10. a frame; 11. HEPA filter disc; 12. a slide rail; 13. an air outlet diffuser; 14. a flange sleeve; 15. primary filter cotton; 16. an air pipe connector; 17. a fan fixing frame; 18. an air intake fan; 19. and (5) pressing and locking.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-6, the utility model relates to an air filtration and ventilation device for medical isolation shelter, which comprises a cabin body 1, an air inlet filter absorber 2 and an air exhaust filter absorber 3, wherein both sides of the cabin body 1 are both provided with filter mounting holes 4, flange sleeves 14 are fixedly mounted in the filter mounting holes 4, one side of the flange sleeves 14 is provided with an air pipe interface 16, one end of the air pipe interface 16 is fixedly connected with the air inlet filter absorber 2, one end of the air inlet filter absorber 2 is provided with an air inlet interface 5, the air inlet interface 5 is hermetically connected, the air inlet filter absorber 2 is provided with an air outlet louver 7 at the side far away from the air inlet interface 5, an active carbon adsorption filling bag 9 is arranged inside the air inlet filter absorber 2, one side of the active carbon adsorption filling bag 9 is provided with a plurality of HEPA filter sheets 11, wherein a V-shaped structure is formed between two adjacent HEPA filter sheets 11 of the HEPA filter sheets 11, the included angle is 21-51 degrees.

Wherein, 11 overcoat of HEPA cassette is equipped with frame 10, both sides all are equipped with slide rail 12 about frame 10, slide rail 12 is made with smooth wear-resisting polytetrafluoroethylene material, is arc, frame 10 passes through

slide rail

12 and 2 sliding connection of air inlet gas filtering absorber, just 11 make up into the wave type structure of a plurality of HEPA cassette to this wave type structure is fixed to be set up in frame 10.

The activated carbon adsorption filling bag 9 is filled with a plurality of activated carbons, the activated carbon adsorption filling bag 9 is a polyurethane base material fibrofelt, and the honeycomb activated carbon filter screen is made by loading activated carbons on a polyurethane base material.

Wherein, the opening has been seted up to 2 one sides of air inlet gas filtering absorber, fixed mounting has filter apron 6 in the opening, be equipped with the strengthening rib on the filter apron 6, just be equipped with on the filter apron 6 and compress tightly lock 19.

The inner side of the flange sleeve 14 is provided with primary filter cotton 15, the inner side of the primary filter cotton 15 is provided with a fan fixing frame 17, and the fan fixing frame 17 is fixedly provided with an air inlet fan 18.

Wherein, be equipped with air inlet diffuser 8 between air inlet interface 5 and the active carbon adsorption filler bag 9, be equipped with air-out diffuser 13 between air-out tripe 7 and the HEPA cassette 11.

The shapes of the air inlet filtering absorber 2 and the air exhaust filtering absorber 3 are the same, and the internal structural arrangement is opposite.

The working principle is as follows: the air filtering and ventilating device for the medical isolation shelter is characterized in that a V-shaped structure is formed between two adjacent HEPA filter sheets 11 through the HEPA filter sheets 11, the included angle is 21-51 degrees, the angle setting can effectively increase the HEPA expansion area and simultaneously meet the requirements of air inlet amount and air outlet amount, a plurality of HEPA filter sheets 11 are integrally combined into a wave-shaped structure which is fixedly arranged in a frame 10, so that gas forms rotational flow in a V-shaped air duct, the gas is fully contacted with a filter material, the removal efficiency is better, the usable area of the filter material can be greatly improved, the HEPA made of glass fiber is adopted, the super-efficient filtering efficiency is achieved, the air filtering and ventilating device has the characteristic of strong structure, the problems of bending, breakage and leakage of the filter element after the large-size filter runs for a long time can be solved, a plurality of active carbon is filled in an active carbon adsorption filler bag 9, and the active carbon adsorption filler bag 9 is polyurethane-based fiber, the honeycomb-shaped active carbon filter screen is made by loading active carbon on a polyurethane substrate, the carbon content of the honeycomb-shaped active carbon filter screen is about 50-70 percent, the honeycomb-shaped active carbon filter screen has good adsorption performance, can be used for air purification, removes volatile organic compounds and pollutants such as micro dust, smoke, odor, methanol and the like in air, has good air permeability and high-efficiency adsorption, has the characteristics of good dust filtration and air permeability, good elasticity and easy processing of fiber mats, and has the purification effect of the active carbon on harmful gas, peculiar smell, germs and the like, when an air inlet fan 18 operates, outside polluted air firstly passes through primary filter cotton 15 to be filtered to remove larger dust particles, then enters an air inlet filter absorber 2 to be filtered to remove raw and chemical pollutants in the air inlet cabin, when the air is exhausted, the polluted air enters an exhaust filter 3 to be filtered to remove the raw and chemical pollutants in the filter absorber, Change the pollutant, get rid of the cabin outside, the utility model discloses, reduced the volume of straining wind ventilation unit, reduced the noise, improved the convenience of changing operations such as filtering absorber to improve the ventilation regulating power who strains wind ventilation unit, have higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. An air filtering and ventilating device for a medical isolation shelter comprises a cabin body (1), an air inlet filtering absorber (2) and an air exhaust filtering absorber (3), and is characterized in that filter mounting holes (4) are formed in two sides of the cabin body (1), a flange sleeve (14) is fixedly mounted in each filter mounting hole (4), an air pipe connector (16) is arranged on one side of each flange sleeve (14), one end of each air pipe connector (16) is fixedly connected with the corresponding air inlet filtering absorber (2), an air inlet connector (5) is arranged at one end of each air inlet filtering absorber (2), the corresponding air inlet connector (5) is hermetically connected with the corresponding air inlet filtering absorber, an air outlet shutter (7) is arranged on one side, away from the corresponding air inlet connector (5), an active carbon adsorption filling bag (9) is arranged inside the corresponding air inlet filtering absorber (2), and a plurality of HEPA filter sheets (11) are arranged on one side of the corresponding active carbon adsorption filling bag (9), wherein a V-shaped structure is formed between two adjacent HEPA filter sheets (11) of the HEPA filter sheets (11), and the included angle is 21-51 degrees.

2. The air filtering and ventilating device for the medical isolation shelter as claimed in claim 1, wherein the frame (10) is sleeved outside the HEPA filter (11), slide rails (12) are arranged on the upper side and the lower side of the frame (10), the slide rails (12) are made of a smooth and wear-resistant polytetrafluoroethylene material and are in a circular arc shape, the frame (10) is slidably connected with the air inlet filtering absorber (2) through the slide rails (12), and the HEPA filter (11) is integrally combined into a wave-shaped structure which is fixedly arranged in the frame (10).

3. The air filtering and ventilating device for the medical isolation shelter as claimed in claim 1, wherein the activated carbon adsorption filling bag (9) is filled with a plurality of activated carbons, and the activated carbon adsorption filling bag (9) is made of polyurethane-based fiber felt loaded with activated carbons on a polyurethane-based material.

4. The medical treatment is kept apart shelter and is used ventilation unit that strains wind of shelter according to claim 1, characterized in that, the air inlet is filtered absorber (2) one side and is seted up the opening, fixed mounting has filter apron (6) in the opening, be equipped with the strengthening rib on filter apron (6), and be equipped with on filter apron (6) and compress tightly lock (19).

5. The air filtering and ventilating device for the medical isolation shelter as claimed in claim 1, wherein the inner side of the flange sleeve (14) is provided with primary filter cotton (15), the inner side of the primary filter cotton (15) is provided with a fan fixing frame (17), and the fan fixing frame (17) is fixedly provided with an air inlet fan (18).

6. The air filtering and ventilating device for the medical isolation shelter as claimed in claim 1, wherein an air inlet diffuser (8) is arranged between the air inlet port (5) and the activated carbon adsorption packing bag (9), and an air outlet diffuser (13) is arranged between the air outlet louver (7) and the HEPA filter (11).

7. The air filtering and ventilating device for the medical isolation shelter as claimed in claim 1, wherein the air intake filtering absorber (2) and the air exhaust filtering absorber (3) have the same shape and the internal structural arrangement is opposite.