CN214066872U - An Efficient Particulate Filtration Tester - Google Patents
An Efficient Particulate Filtration Tester Download PDFInfo
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- CN214066872U CN214066872U CN202120548647.3U CN202120548647U CN214066872U CN 214066872 U CN214066872 U CN 214066872U CN 202120548647 U CN202120548647 U CN 202120548647U CN 214066872 U CN214066872 U CN 214066872U
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Abstract
The utility model belongs to the technical field of filtration detection, in particular to an efficient particulate matter filtration tester, which comprises a working bin, an installation box, a filtration device and an aerosol absorption device; the top of the working bin is provided with an installation box, a filtering device is arranged in the installation box, and an aerosol absorption device is arranged in the working bin. A gas filtering material is clamped between the first filtering cover and the second filtering cover of the filtering device; when gas filtration is carried out, the hydraulic cylinder of the filtering device provides enough thrust to enable the first filtering cover and the second filtering cover to be tightly closed, gas to be detected is introduced into a closed space formed by the first filtering cover and the second filtering cover in a closed mode and penetrates through a gas filtering material from one side of the first filtering cover to enter one side of the second filtering cover, and the gas tightness of the whole gas filtration process is high. The aerosol absorption device can sufficiently absorb residual aerosol particles in the gas after the test is finished, and air pollution caused by the residual aerosol particles is prevented.
Description
Technical Field
The utility model belongs to the technical field of filter and detect, in particular to efficient particulate matter filters tester.
Background
Aerosol refers to a gaseous dispersion system composed of solid or liquid particles suspended in a gaseous medium, a large amount of pollutants exist in the air in the form of aerosol particles, and the aerosol particle filtration test is a quality control step which must be carried out in the production process of a gas filter material.
When the existing particulate matter filtering test equipment is used for filtering gas to be detected, the air tightness is often poor, so that the particulate matter filtering efficiency of the gas filtering material cannot be accurately measured; in addition, aerosol particles generated by the test are directly discharged out of the equipment, and air pollution is caused.
Disclosure of Invention
The utility model discloses a remedy prior art not enough, provide an efficient particulate matter filtration tester.
The utility model discloses a realize through following technical scheme:
a high-efficiency particulate matter filtering tester comprises a working bin and an installation box; the installation box is installed at the top of the working bin; a filtering device, a first laser particle counter and a second laser particle counter are arranged in the mounting box; a first purifier, a fan, an aerosol generator, an electrostatic neutralizer, a flowmeter, an aerosol absorption device and a second purifier are arranged in the working bin; an air inlet and an air outlet are arranged outside the working bin; one end of the first air passage penetrates through the side wall of the working bin and is communicated with the air inlet, and one end of the first air passage, which is far away from the air inlet, extends into the mounting box and is communicated with the filtering device; the first air passage is sequentially communicated with a first purifier, a fan, an aerosol generator, an electrostatic neutralizer, a flowmeter and a first laser particle counter along the direction from the air inlet to the filtering device; one end of the second air passage penetrates through the side wall of the working bin and is communicated with the air outlet, and one end, far away from the air outlet, of the second air passage extends into the mounting box and is communicated with the filtering device; and the second air passage is sequentially communicated with a second laser particle counter, an aerosol absorption device and a second purifier along the direction from the filtering device to the exhaust port.
Further, the filtering device comprises a fixing plate, a first organ pipe, a second organ pipe, a first filtering cover, a second filtering cover and a hydraulic cylinder; the two fixing plates are arranged between the top wall of the working bin and the top wall of the mounting box; the first organ pipe, the second organ pipe, the first filter cover, the second filter cover and four hydraulic cylinders are arranged between the two fixing plates; one end of the first organ pipe is communicated with the first filter cover, and the end, far away from the first filter cover, of the first organ pipe penetrates through the fixing plate to be communicated with the first air passage; one end of the second organ pipe is communicated with the second filter cover, and the end, far away from the second filter cover, of the second organ pipe penetrates through the fixing plate to be communicated with the second air passage; the inner sides of the first filter cover and the second filter cover are both of a hollow structure, the edges of the first filter cover and the second filter cover are both provided with sealing gaskets, and the edges of the first filter cover and the second filter cover are contacted and closed; the first filter mantle is respectively connected two with the second filter mantle outside the piston rod top of pneumatic cylinder, the fixed plate that the cylinder body fixed connection of pneumatic cylinder closes on.
Furthermore, a sampling hole is formed in the top wall of the installation box between the two fixing plates.
Furthermore, the aerosol absorption device comprises a shell, an air inlet, an air outlet, an air duct, a water tank and a drying box; the shell is provided with the air inlet hole and the air outlet hole which are respectively communicated with the second air passage; the air duct, the water tank and the drying box are arranged in the shell, two ends of the air duct are respectively communicated with the air inlet hole and the air outlet hole, and the air duct is sequentially communicated with the water tank and the drying box along the direction from the air inlet hole to the air outlet hole; the water tank is internally provided with water, the air channel is communicated with the pipeline inside the water tank, and the lower end of the pipeline inside the water tank is positioned below the water surface.
Compared with the prior art, the utility model, following beneficial effect has:
1. the gas filtering material is clamped between the first filtering cover and the second filtering cover of the filtering device of the utility model; when gas filtration is carried out, the hydraulic cylinder of the filtering device provides enough thrust to enable the first filtering cover and the second filtering cover to be tightly closed, gas to be detected is introduced into a closed space formed by the first filtering cover and the second filtering cover in a closed mode and penetrates through a gas filtering material from one side of the first filtering cover to enter one side of the second filtering cover, and the gas tightness of the whole gas filtration process is high.
2. Aerosol absorbing device can fully absorb remaining aerosol particle in the test completion back gas, prevent that it from causing air pollution.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the internal structure schematic diagram of the installation box of the present invention.
Fig. 3 is a schematic view of the internal structure of the aerosol absorption device of the present invention.
In the figure, 1 working bin, 2 mounting box, 201 sampling hole, 3 filtering device, 301 fixing plate, 302 first organ pipe, 303 second organ pipe, 304 first filtering cover, 305 second filtering cover, 306 hydraulic cylinder, 4 air inlet, 5 air outlet, 6 first air flue, 7 second air flue, 8 first purifier, 9 fan, 10 aerosol generator, 11 electrostatic neutralizer, 12 flow meter, 13 first laser particle counter, 14 second laser particle counter, 15 aerosol absorption device, 1501 shell, 1502 air inlet hole, 1503 air outlet hole, 1504 air flue, 1505 water tank, 1506 drying box and 16 second purifier.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "top", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and only the relation words determined for the convenience of describing the structural relationship of each component or element of the present invention, which is not specific to any component or element of the present invention, cannot be understood as limiting the present invention.
Fig. 1-3 show an embodiment of the present invention. The embodiment comprises a working bin 1 and an installation box 2; the installation box 2 is installed at the top of the working bin 1; a filtering device 3, a first laser particle counter 13 and a second laser particle counter 14 are arranged in the installation box 2; the working chamber 1 is internally provided with a first purifier 8, a fan 9, an aerosol generator 10, an electrostatic neutralizer 11, a flowmeter 12, an aerosol absorption device 15 and a second purifier 16.
An air inlet 4 and an air outlet 5 are arranged on the outer side of the working bin 1; one end of the first air passage 6 penetrates through the side wall of the working bin 1 to be communicated with the air inlet 4, and one end, far away from the air inlet 4, of the first air passage 6 extends into the installation box 2 and is communicated with the filtering device 3; the first air passage 6 is sequentially communicated with a first purifier 8, a fan 9, an aerosol generator 10, an electrostatic neutralizer 11, a flow meter 12 and a first laser particle counter 13 along the direction from the air inlet 4 to the filtering device 3; one end of the second air passage 7 penetrates through the side wall of the working bin 1 to be communicated with the air outlet 5, and one end, far away from the air outlet 5, of the second air passage 7 extends into the mounting box 2 and is communicated with the filtering device 3; the second air passage 7 is sequentially communicated with a second laser particle counter 14, an aerosol absorption device 15 and a second purifier 16 along the direction from the filtering device 3 to the exhaust port 5.
The filter device 3 comprises a fixed plate 301, a first organ pipe 302, a second organ pipe 303, a first filter cover 304, a second filter cover 305 and a hydraulic cylinder 306; the number of the fixing plates 301 is two, and the two fixing plates 301 are arranged between the top wall of the working bin 1 and the top wall of the installation box 2; the first organ pipe 302, the second organ pipe 303, the first filter cover 304, the second filter cover 305 and four hydraulic cylinders 306 are arranged between the two fixing plates 301; one end of the first organ pipe 302 is communicated with the first filter cover 304, and the end, far away from the first filter cover 304, of the first organ pipe 302 penetrates through the fixing plate 301 to be communicated with the first air duct 6; one end of the second organ pipe 303 is communicated with the second filter cover 305, and one end, far away from the second filter cover 305, of the second organ pipe 303 penetrates through the fixing plate 301 to be communicated with the second air passage 7; the inner sides of the first filter cover 304 and the second filter cover 305 are both hollow structures, the edges of the first filter cover 304 and the second filter cover 305 are both provided with sealing gaskets, the edge of the first filter cover 304 is in contact with and closed with the edge of the second filter cover 305, a gas filtering material is clamped between the first filter cover 304 and the second filter cover 305, after the first filter cover 304 and the second filter cover 305 are closed, the inner sides of the first filter cover 304 and the second filter cover 305 form a closed space, and gas to be detected is introduced into the closed space formed by the first filter cover 304 and the second filter cover 305 and passes through the gas filtering material from one side of the first filter cover 304 to enter one side of the second filter cover 305; the top ends of the piston rods of the two hydraulic cylinders 306 are respectively connected to the outer sides of the first filter cover 304 and the second filter cover 305, the cylinder body of the hydraulic cylinder 306 is fixedly connected with the adjacent fixing plate 301, and the hydraulic cylinder 306 pushes the first filter cover 304 and the second filter cover 305 to move towards each other and finally close.
A sample inlet hole 201 is formed in the top wall of the installation box 2 between the two fixing plates 301, and the gas filtering material is fed into the installation box 2 through the sample inlet hole 201 and placed between the first filter housing 304 and the second filter housing 305, and then the hydraulic cylinder 306 pushes the first filter housing 304 and the second filter housing 305 to move towards each other and close, so that the gas filtering material is clamped between the first filter housing 304 and the second filter housing 305.
The aerosol absorption device 15 comprises a shell 1501, an air inlet 1502, an air outlet 1503, an air duct 1504, a water tank 1505 and a drying box 1506; the shell 1501 is provided with the air inlet holes 1502 and the air outlet holes 1503, and the air inlet holes 1502 and the air outlet holes 1503 are respectively communicated with the second air passage 7; the air duct 1504, the water tank 1505 and the drying box 1506 are arranged in the shell 1501, two ends of the air duct 1504 are respectively communicated with the air inlet holes 1502 and the air outlet holes 1503, and the air duct 1504 is sequentially communicated with the water tank 1505 and the drying box 1506 along the direction from the air inlet holes 1502 to the air outlet holes 1503; the water tank 1505 stores water, the air duct 1504 is communicated with an internal pipeline of the water tank 1505, and the lower end of the internal pipeline of the water tank 1505 is positioned below the water level. Gas enters the air duct 1504 from the second air duct 7 and is introduced below the water level in the water tank 1505 through an internal pipeline of the water tank 1505, and the water can absorb aerosol particles in the gas; the gas having absorbed the aerosol particles is discharged from the water tank 1505 and then enters the drying oven 1506 for dehumidification; the dehumidified gas is discharged into the second gas duct 7 located downstream.
When in use, the gas filtering material is clamped between the first filter cover 304 and the second filter cover 305, then the fan 9 is started, and air is sucked into the first air passage 6 from the air inlet 4; on the first air passage 6, the air firstly flows through a first purifier 8 to remove particulate matters and other impurities in the air; the purified air flows through the fan 9 and enters the aerosol generator 10, and a large amount of aerosol particles are mixed into the air; the air mixed with the aerosol particles enters the electrostatic neutralizer 11, the electrostatic neutralizer 11 can neutralize the charges of the aerosol particles, and the influence of the electrification of the aerosol particles on the detection of the filtering efficiency of the particles is eliminated; the air which completes the above steps enters the flow meter 12 to measure the air flow; the air which completes the flow measurement enters a first laser particle counter 13 to count the aerosol particle concentration in the air before flowing through the gas filtering material; the air flowing out of the first laser particle counter 13 enters the filter device 3 and is introduced into a closed space formed by the first filter cover 304 and the second filter cover 305 through the first organ pipe 302, and the air passes through the gas filtering material from one side of the first filter cover 304, enters one side of the second filter cover 305 and is discharged into the second air channel 7 through the second organ pipe 303; the air discharged into the second air passage 7 enters a second laser particle counter 14 to count the aerosol particle concentration in the air after flowing through the gas filtering material, and the filtering efficiency of the gas filtering material on the aerosol particles can be calculated by calculating the difference value of the aerosol particle concentrations in the air before and after flowing through the gas filtering material; the air flowing out of the second laser particle counter 14 enters an aerosol absorption device 15 to remove residual aerosol particles in the air; finally, the air flowing out of the aerosol absorption device 15 enters the second purifier 16 to remove other impurities, and is discharged out of the present embodiment through the exhaust port 5.
Claims (4)
1. The utility model provides an efficient particulate matter filters tester, includes working bin (1) and install bin (2), its characterized in that: the installation box (2) is installed at the top of the working bin (1); a filtering device (3), a first laser particle counter (13) and a second laser particle counter (14) are arranged in the installation box (2); a first purifier (8), a fan (9), an aerosol generator (10), an electrostatic neutralizer (11), a flowmeter (12), an aerosol absorption device (15) and a second purifier (16) are arranged in the working bin (1); an air inlet (4) and an air outlet (5) are arranged on the outer side of the working bin (1); one end of the first air passage (6) penetrates through the side wall of the working bin (1) and is communicated with the air inlet (4), and one end, far away from the air inlet (4), of the first air passage (6) extends into the installation box (2) and is communicated with the filtering device (3); the first air passage (6) is sequentially communicated with a first purifier (8), a fan (9), an aerosol generator (10), an electrostatic neutralizer (11), a flow meter (12) and a first laser particle counter (13) along the direction from the air inlet (4) to the filtering device (3); one end of the second air passage (7) penetrates through the side wall of the working bin (1) and is communicated with the air outlet (5), and one end, far away from the air outlet (5), of the second air passage (7) extends into the mounting box (2) and is communicated with the filtering device (3); the second air passage (7) is sequentially communicated with a second laser particle counter (14), an aerosol absorption device (15) and a second purifier (16) along the direction from the filtering device (3) to the exhaust port (5).
2. The efficient particulate matter filtering tester as recited in claim 1, wherein: the filtering device (3) comprises a fixing plate (301), a first organ pipe (302), a second organ pipe (303), a first filtering cover (304), a second filtering cover (305) and a hydraulic cylinder (306); the number of the fixing plates (301) is two, and the two fixing plates (301) are arranged between the top wall of the working bin (1) and the top wall of the mounting box (2); the first organ pipe (302), the second organ pipe (303), the first filter cover (304), the second filter cover (305) and four hydraulic cylinders (306) are arranged between the two fixing plates (301); one end of the first organ pipe (302) is communicated with the first filter cover (304), and one end, far away from the first filter cover (304), of the first organ pipe (302) penetrates through the fixing plate (301) to be communicated with the first air passage (6); one end of the second organ pipe (303) is communicated with the second filter cover (305), and one end, far away from the second filter cover (305), of the second organ pipe (303) penetrates through the fixing plate (301) to be communicated with the second air passage (7); the inner sides of the first filter cover (304) and the second filter cover (305) are both hollow structures, the edges of the first filter cover (304) and the second filter cover (305) are both provided with sealing gaskets, and the edges of the first filter cover (304) and the second filter cover (305) are in contact and closed; the outer sides of the first filter cover (304) and the second filter cover (305) are respectively connected with the top ends of piston rods of the two hydraulic cylinders (306), and the cylinder body of each hydraulic cylinder (306) is fixedly connected with an adjacent fixing plate (301).
3. The efficient particulate matter filtering tester as recited in claim 2, wherein: and a sample inlet hole (201) is formed in the top wall of the installation box (2) between the two fixing plates (301).
4. The efficient particulate matter filtering tester as recited in claim 1, wherein: the aerosol absorption device (15) comprises a shell (1501), an air inlet hole (1502), an air outlet hole (1503), an air duct (1504), a water tank (1505) and a drying box (1506); the shell (1501) is provided with the air inlet holes (1502) and the air outlet holes (1503), and the air inlet holes (1502) and the air outlet holes (1503) are respectively communicated with the second air passage (7); the air duct (1504), the water tank (1505) and the drying box (1506) are arranged in the shell (1501), two ends of the air duct (1504) are respectively communicated with the air inlet hole (1502) and the air outlet hole (1503), and the air duct (1504) is sequentially communicated with the water tank (1505) and the drying box (1506) along the direction from the air inlet hole (1502) to the air outlet hole (1503); the water tank (1505) is filled with water, the air duct (1504) is communicated with an internal pipeline of the water tank (1505), and the lower end of the internal pipeline of the water tank (1505) is positioned below the water level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120548647.3U CN214066872U (en) | 2021-03-17 | 2021-03-17 | An Efficient Particulate Filtration Tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120548647.3U CN214066872U (en) | 2021-03-17 | 2021-03-17 | An Efficient Particulate Filtration Tester |
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| CN214066872U true CN214066872U (en) | 2021-08-27 |
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| CN202120548647.3U Active CN214066872U (en) | 2021-03-17 | 2021-03-17 | An Efficient Particulate Filtration Tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115598036A (en) * | 2022-10-19 | 2023-01-13 | 南昌市恩惠医用卫生材料有限公司（Cn） | A rapid quality detection method for medical masks |
-
2021
- 2021-03-17 CN CN202120548647.3U patent/CN214066872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115598036A (en) * | 2022-10-19 | 2023-01-13 | 南昌市恩惠医用卫生材料有限公司（Cn） | A rapid quality detection method for medical masks |
| CN115598036B (en) * | 2022-10-19 | 2025-08-29 | 南昌市恩惠医用卫生材料有限公司 | A rapid quality detection method for medical masks |
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Effective date of registration: 20250718 Address after: 410000 Hunan Province, Changsha City, Furong District, Mapoling Street, Nanshan Cai Zi Jia Jun, Building 4, Room 2301 Patentee after: Changsha Xiangming Decoration Engineering Co.,Ltd. Country or region after: China Address before: 250031 1221, block a, Jiahui global Plaza, No. 548, Beiyuan street, Tianqiao District, Jinan City, Shandong Province Patentee before: Jinan Taichang Instrument Co.,Ltd. Country or region before: China |