CN111912054A - Device for filtering microorganisms in air by static electricity - Google Patents

Device for filtering microorganisms in air by static electricity Download PDF

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Publication number
CN111912054A
CN111912054A CN202010936822.6A CN202010936822A CN111912054A CN 111912054 A CN111912054 A CN 111912054A CN 202010936822 A CN202010936822 A CN 202010936822A CN 111912054 A CN111912054 A CN 111912054A
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China
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air
channel
air channel
baffle
microporous
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CN202010936822.6A
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Chinese (zh)
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孟金来
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Individual
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Priority to CN202010936822.6A priority Critical patent/CN111912054A/en
Publication of CN111912054A publication Critical patent/CN111912054A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • B03C3/09Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

A device for filtering microorganisms in air by static electricity comprises a machine shell, wherein an air channel is arranged in the machine shell, one end of the air channel is provided with an air inlet, the other end of the air channel is provided with an air outlet, a plurality of microporous plates with surfaces capable of passing through airflow are arranged in the air channel, the microporous plates are made of conductive materials, and the surfaces of the microporous plates are arranged in parallel along the axial direction of the air channel; a plurality of airflow channels and a plurality of exhaust clamping ways are arranged between the microporous plates in parallel, the airflow channels and the exhaust clamping ways are arranged in a staggered manner, and discharge electrodes are arranged in the middle of the airflow channels. The device is used for filtering the microorganisms in the air by static electricity, has large air handling capacity in unit time, has a very outstanding effect of removing various harmful viruses, can effectively remove various harmful viruses in the air of crowded places such as superstores, supermarkets, subways, hotels, farmer markets, airports, restaurants and the like, effectively reduces the risk of various infectious diseases through air transmission, and ensures the health of people.

Description

Device for filtering microorganisms in air by static electricity
Technical Field
The invention relates to a device for filtering microorganisms in air by static electricity.
Background
Various viruses including the new coronavirus can be spread and infected by air in crowded places such as large-scale shopping malls, supermarkets, subways, hotels, farmer markets, airports, restaurants and the like, and seriously threatens the health of people. However, for various reasons, there is no device capable of effectively removing various harmful viruses in the air in crowded places such as superstores, supermarkets, subways, hotels, farmer markets, airports, restaurants and the like.
Disclosure of Invention
The invention aims to provide an electrostatic filtering device for removing microorganisms in air, which has large air treatment amount in unit time and very outstanding effect of removing various harmful viruses, can effectively remove various harmful viruses in the air of crowded places such as superstores, supermarkets, subways, hotels, farmer markets, airports, restaurants and the like, effectively reduces the risk of spreading various infectious diseases through the air and ensures the health of people.
The device for filtering microorganisms in air by static electricity comprises a machine shell, wherein an air channel is arranged in the machine shell, the front end of the air channel is provided with an air inlet, the rear end of the air channel is provided with an air outlet, a plurality of microporous plates with the surfaces capable of passing through airflow are arranged in the air channel, the microporous plates are made of conductive materials, and the surfaces of the microporous plates are arranged along the front-back direction;
an airflow channel is arranged between the micro-porous plates, more than one baffle used for changing the direction of airflow is arranged in the airflow channel between the micro-porous plates, and discharge electrodes are arranged in the middle of the airflow channel along the front-back direction.
The invention relates to a device for filtering microorganisms in air by static electricity, wherein the front end of an air flow channel is provided with a front baffle, the front baffle is arranged from one side of the air flow channel to the other side of the air flow channel according to the changing sequence that the front end of one air flow channel is provided with the front baffle, the front end of one air flow channel is not provided with the front baffle, the front end of the next air flow channel is provided with the front baffle, and the front end of the next air flow channel is not provided with the front baffle.
The invention relates to a device for filtering microorganisms in air by static electricity, wherein the rear end of an air flow channel is provided with a rear baffle, the rear baffle is arranged from one side to the other side of the air flow channel according to the changing sequence that the front end of one air flow channel is provided with the rear baffle, the front end of the other air flow channel is not provided with the rear baffle, the front end of the next air flow channel is provided with the rear baffle, and the front end of the next air flow channel is not provided with the rear baffle.
The device for filtering the microorganisms in the air by static electricity has the advantages that the thickness of the microporous plate is more than 2mm, and the PPI (pulse per inch) of the holes in the microporous plate is more than 40.
The device for filtering the microorganisms in the air by static electricity has the advantages that the thickness of the microporous plate is 6-30 mm, and the PPI (pulse per inch) of the holes in the microporous plate is 80-120.
The invention relates to a device for filtering microorganisms in air by static electricity, wherein an air channel is positioned in the front-back horizontal direction, the plate surface of a microporous plate is positioned in the front-back vertical direction, the plate surface of a back baffle and the plate surface of a front baffle are perpendicular to the microporous plate, the thickness of the microporous plate is 10-20 mm, and the PPI (pulse per inch) of the number of holes in the microporous plate is 90-110.
The invention relates to a device for filtering microorganisms in air by static electricity, wherein a microporous plate is made of a foam metal plate, and the surface of the microporous plate is coated with metallic silver.
The invention relates to a device for filtering microorganisms in air by static electricity, wherein baffles are arranged in a sequence from one side to the other side of an air channel according to the change that n baffles are arranged in one air channel, n +1 baffles are arranged in one air channel, n baffles are arranged in the next air channel, and n +1 baffles are arranged in the next air channel, and the baffles in the adjacent air channels are arranged in a staggered position from front to back;
the above n is 1,2,3,4, … ….
The invention relates to a device for filtering microorganisms in air by static electricity, wherein a disinfection ash removal door which can be conveniently opened or closed is arranged at the part, corresponding to a microporous plate, on the side wall of a machine shell.
When the device for filtering microorganisms in air by static electricity is used, a discharge electrode is connected with a high-voltage direct-current power supply, then gas in which microorganisms are suspended enters an air channel of the device for filtering microorganisms in air by using a fan, and enters a plurality of airflow channels along the air channel of the device for filtering microorganisms in air by static electricity. Therefore, the method can ensure that the treatment air flow is large, the efficiency of removing microorganisms including various viruses in the air is high, and more than 96% of viruses in the air can be removed on the basis of large treatment air flow according to the number of the viruses. Therefore, the device for filtering microorganisms in air by using static electricity can effectively remove various harmful viruses in the air of crowded places such as superstores, supermarkets, subways, hotels, farmer markets, airports, restaurants and the like, effectively reduce the risk of various infectious diseases spreading through the air and ensure the health of people.
The device for electrostatically filtering microorganisms in air according to the present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a front view of a schematic structure of an apparatus for electrostatic filtering of microorganisms in air according to the present invention;
fig. 2 is a top view of fig. 1.
Detailed Description
As shown in fig. 1 and 2, the device for filtering microorganisms in air by using static electricity of the present invention comprises a casing 1, an air channel 2 is arranged in the casing 1, an air inlet is arranged at the front end of the air channel 2, an air outlet is arranged at the rear end of the air channel 2, a plurality of microporous plates 3 with surfaces capable of passing through air flow are arranged in the air channel 2, the microporous plates 3 are made of conductive materials, and the surfaces of the microporous plates 3 are arranged along the front-back direction;
be equipped with airflow channel 5 between the micropore board 3, be equipped with more than one baffle 6 that is used for letting the air current change direction in the airflow channel 5 between the micropore board 3, the baffle 6 front and back staggered position in airflow channel 5 arranges, and the middle part in airflow channel 5 is equipped with one row of discharge electrode 4 along the fore-and-aft direction.
When the micro-porous plate is used, the discharge electrode 4 is electrically connected with the negative electrode or the positive electrode of the high-voltage direct-current power supply, the micro-porous plate 3 is grounded, or the micro-porous plate 3 is connected with the electrode of the high-voltage direct-current power supply with the electrode polarity opposite to that of the discharge electrode 4.
When the gas mixed with the microorganisms and the dust flows in the gas flow channel 5, the gas flow changes the direction and repeatedly passes through the microporous plate 3 under the blocking effect of the baffle 6, in the process, the microorganisms and the dust in the gas can be charged nearby when entering the discharge electrode 4, then the microorganisms and the dust are captured by the microporous plate 3 through electro-adsorption or filtration when passing through the microporous plate 3, because the gas flow can change the direction for many times and repeatedly passes through the microporous plate 3, a small amount of residual microorganisms and dust in the gas also have multiple opportunities to be captured by the microporous plate 3 through electro-adsorption or filtration, and therefore the efficiency of removing the microorganisms including various viruses in the air can be further improved.
As a further improvement of the present invention, the front end of the airflow channel 5 is provided with a front baffle 7, the front baffle 7 is arranged from one side to the other side of the air channel 2 in a changing order that the front end of one airflow channel 5 is provided with the front baffle 7, the front end of one airflow channel 5 is not provided with the front baffle 7, the front end of the next airflow channel 5 is provided with the front baffle 7, and the front end of the next airflow channel 5 is not provided with the front baffle 7.
As a further improvement of the present invention, the rear end of the airflow channel 5 is provided with a rear baffle 8, the rear baffle 8 is arranged from one side to the other side of the air channel 2 according to a changing sequence that the front end of one airflow channel 5 is provided with the rear baffle 8, the front end of one airflow channel 5 is not provided with the rear baffle 8, the front end of the next airflow channel 5 is provided with the rear baffle 8, and the front end of the next airflow channel 5 is not provided with the rear baffle 8.
As a further improvement of the invention, the thickness of the microplate 3 is more than 2mm, and the number PPI of the wells per inch of the microplate 3 is more than 40.
As a further improvement of the invention, the thickness of the microporous plate 3 is 6 mm-30 mm, and the PPI number of the pores per inch of the microporous plate 3 is 80-120.
As a further improvement of the invention, the air channel 2 is positioned in the front-back horizontal direction, the plate surface of the microporous plate 3 is positioned in the front-back vertical direction, the plate surface of the back baffle 8 and the plate surface of the front baffle 7 are perpendicular to the microporous plate 3, the thickness of the microporous plate 3 is 10 mm-20 mm, and the PPI number of the holes on each inch of the microporous plate 3 is 90-110.
As a further improvement of the present invention, the micro porous plate 3 is made of a foamed metal plate, and the surface of the micro porous plate 3 is coated with metallic silver. The silver coated on the surface of the micro-porous plate 3 can make the captured virus die more quickly.
As a further improvement of the present invention, the baffles 6 are arranged in a changing order from one side to the other side of the air channel 2 according to n baffles 6 arranged in one air channel 5, n +1 baffles 6 arranged in one air channel 5, n baffles 6 arranged in the next air channel 5 and n +1 baffles 6 arranged in the next air channel 5, and the baffles in the adjacent air channels are arranged in a staggered position from front to back;
the above n is 1,2,3,4, … ….
As a further improvement of the present invention, a disinfection and dust removal door (not shown) which can be conveniently opened or closed is provided at a position corresponding to the micro plate 3 on the side wall of the housing 1. When in use, the micro-porous plate 3 can be cleaned and disinfected by opening the disinfection and ash removal door.
The invention relates to a device for filtering microorganisms in air by static electricity, which adopts the design that the plate surfaces of a plurality of microporous plates 3 are arranged along the front-back direction, more than one baffle 6 for changing the direction of airflow is arranged in an airflow channel 5 between the microporous plates 3, the baffles 6 in the adjacent airflow channels 5 are arranged at staggered positions in the front-back direction, the middle part in the airflow channel 5 is provided with a row of discharge electrodes 4 along the front-back direction, the section of the microporous plate 3 for electrically adsorbing and treating microorganisms in the air can be greatly increased under the condition of the same volume, so that the gas with the same volume can pass through the microporous plate 3 at a lower speed in unit time, and the design that the thickness of the microporous plate 3 is more than 2mm and the PPI of the number of holes on each inch of the microporous plate 3 is more than 40, therefore, more complete and efficient electro-adsorption capture of the tiny viruses in the air can be realized. Through the microbial purification efficiency project inspection, the basis of the microbial purification efficiency project inspection is 'JGT 294-2010 air purifier pollutant purification performance determination', and the obtained experimental data are as follows: when the sampling concentration of the microorganisms at the air inlet 10 of the air channel 2 is 10233cfu/m3The air flow at the air inlet 10 was 9067.9m3H, the sampled concentration of microorganisms at the air outlet 11 of the air passageway 2 was 371cfu/m3That is, the device for electrostatic filtering of microorganisms in air of the present inventionThe efficiency of removal of microorganisms was 96.37%.
When the microbial purification efficiency project test is carried out, the PM2.5 purification efficiency test is carried out, the basis of the PM2.5 purification efficiency test is GB/T34012-2017 air purification device for a ventilation system, and the obtained experimental data are as follows: when the average concentration of PM2.5 pollutants at the air inlet 10 of the air passage 2 is 246.5 μm/m3The air flow at the air inlet 10 was 9034.7m3H, the average concentration of the contaminants at the air outlet 11 of the air passageway 2 was 8.7 μm/m3Namely, the efficiency of the device for removing the PM2.5 from the air by electrostatic filtration is 96.47%.
When the device for filtering microorganisms in air by static electricity is used, the discharge electrode 4 is connected with a high-voltage direct-current power supply, a potential difference of 20000 volts is generated between the discharge electrode 4 and the microporous plate 3, then gas in which microorganisms are suspended enters the air channel 2 of the device for filtering microorganisms in air by using a fan, and enters a plurality of airflow channels 5 along the air channel 2 of the device for filtering microorganisms in air by static electricity, when gas mixed with microorganisms and dust flows through the discharge electrode 4 in the airflow channels 5, the microorganisms and the dust in the gas are in a charged state when approaching the discharge electrode 4, then the microorganisms in the gas pass through the microporous plate 3 and enter another airflow channel 5, because the thickness of the microporous plate 3 is more than 2mm, the number PPI of holes on each inch of the microporous plate 3 is more than 40, and in the process that the gas passes through the microporous plate 3 and enters another airflow channel 5, the distance between the microorganisms and the dust and the microporous plate 3 is necessarily reduced, and the charged microorganisms and the dust in the gas can be captured by the microporous plate 3 through electro-adsorption. Therefore, the method can ensure that the treatment air flow is large, the efficiency of removing microorganisms including various viruses in the air is high, and more than 96% of viruses in the air can be removed on the basis of large treatment air flow according to the number of the viruses. Therefore, the device for filtering microorganisms in air by using static electricity can effectively remove various harmful viruses in the air of crowded places such as superstores, supermarkets, subways, hotels, farmer markets, airports, restaurants and the like, effectively reduce the risk of various infectious diseases spreading through the air and ensure the health of people.
According to the device for filtering microorganisms in air by static electricity, under the action of the electric field, the airflow channels 5 can generate ion wind towards the microporous plate 3, and under the action of the ion wind, various uncaptured harmful viruses in the air are blown to the microporous plate 3 and pass through the microporous plate 3 repeatedly in a reciprocating manner, so that the viruses are finally captured, and the purification effect is further improved.

Claims (9)

1. Device for filtering microorganisms in air by static electricity, which is characterized in that: the air purifier comprises a machine shell (1), wherein an air channel (2) is arranged in the machine shell (1), the front end of the air channel (2) is provided with an air inlet, the rear end of the air channel (2) is provided with an air outlet, a plurality of microporous plates (3) with the surfaces capable of passing through air flow are arranged in the air channel (2), the microporous plates (3) are made of conductive materials, and the surfaces of the microporous plates (3) are arranged along the front-back direction;
be equipped with airflow channel (5) between micropore board (3), be equipped with more than one baffle (6) that are used for letting the air current change direction in airflow channel (5) between micropore board (3), the middle part in airflow channel (5) is equipped with discharge electrode (4) along fore-and-aft direction.
2. The apparatus for electrostatically filtering airborne microorganisms as set forth in claim 1, wherein: the front end of the airflow channel (5) is provided with a front baffle (7), the front baffle (7) is arranged from one side of the air channel (2) to the other side of the air channel according to the front end of one airflow channel (5), the front baffle (7) is not arranged at the front end of one airflow channel (5), the front baffle (7) is arranged at the front end of the next airflow channel (5), and the front baffle (7) is not arranged at the front end of the next airflow channel (5).
3. The apparatus according to claim 2, wherein: the rear end of the airflow channel (5) is provided with a rear baffle (8), the rear baffle (8) is provided with the rear baffle (8) from one side of the air channel (2) to the other side according to the front end of one airflow channel (5), the rear baffle (8) is not arranged at the front end of one airflow channel (5), the rear baffle (8) is arranged at the front end of the next airflow channel (5), and the rear baffle (8) is not arranged at the front end of the next airflow channel (5).
4. The apparatus according to claim 3, wherein: the thickness of the micropore plate (3) is more than 2mm, and the PPI number of the pores on each inch of the micropore plate (3) is more than 40.
5. The apparatus according to claim 4, wherein: the thickness of the microporous plate (3) is 6 mm-30 mm, and the PPI number of the holes on each inch of the microporous plate (3) is 80-120.
6. The apparatus according to claim 5, wherein: air channel (2) are located horizontal direction around, and the face of micropore board (3) is located vertical direction around, and the face of backplate (8) and the face of preceding baffle (7) are perpendicular to micropore board (3), the thickness of micropore board (3) is 10 mm-20 mm, and the number PPI of hole is 90-110 on per inch micropore board (3).
7. The apparatus according to claim 6, wherein: the microporous plate (3) is made of a foam metal plate, and the surface of the microporous plate (3) is coated with metal silver.
8. The apparatus for electrostatically filtering microorganisms in air as set forth in any one of claims 1 to 7, wherein: the baffles (6) are arranged from one side to the other side of the air channel (2) according to the changing sequence that n baffles (6) are arranged in one air channel (5), n +1 baffles (6) are arranged in one air channel (5), n baffles (6) are arranged in the next air channel (5), and n +1 baffles (6) are arranged in the next air channel (5), and the baffles (6) in the adjacent air channels (5) are arranged in a staggered position from front to back;
the n is 1,2,3,4, … ….
9. The apparatus according to claim 8, wherein: the side wall of the machine shell (1) is provided with a disinfection and ash removal door which can be conveniently opened or closed and corresponds to the microporous plate (3).
CN202010936822.6A 2020-09-08 2020-09-08 Device for filtering microorganisms in air by static electricity Pending CN111912054A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010936822.6A CN111912054A (en) 2020-09-08 2020-09-08 Device for filtering microorganisms in air by static electricity

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Application Number Priority Date Filing Date Title
CN202010936822.6A CN111912054A (en) 2020-09-08 2020-09-08 Device for filtering microorganisms in air by static electricity

Publications (1)

Publication Number Publication Date
CN111912054A true CN111912054A (en) 2020-11-10

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005160494A (en) * 2003-03-04 2005-06-23 Daikin Ind Ltd Air cleaning member and air conditioner
CN1911526A (en) * 2005-08-10 2007-02-14 袁野 High efficiency electrostatic dust separator
CN203830143U (en) * 2014-05-05 2014-09-17 孟金来 Radial-flow electric dust removing air purifier
CN107282300A (en) * 2017-06-15 2017-10-24 李帅 Electrostatic precipitator
CN108435420A (en) * 2018-03-26 2018-08-24 江汉大学 A kind of electrostatic precipitator integrated in length and breadth
CN214009487U (en) * 2020-09-08 2021-08-20 孟金来 Device for filtering microorganisms in air by static electricity

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005160494A (en) * 2003-03-04 2005-06-23 Daikin Ind Ltd Air cleaning member and air conditioner
CN1911526A (en) * 2005-08-10 2007-02-14 袁野 High efficiency electrostatic dust separator
CN203830143U (en) * 2014-05-05 2014-09-17 孟金来 Radial-flow electric dust removing air purifier
CN107282300A (en) * 2017-06-15 2017-10-24 李帅 Electrostatic precipitator
CN108435420A (en) * 2018-03-26 2018-08-24 江汉大学 A kind of electrostatic precipitator integrated in length and breadth
CN214009487U (en) * 2020-09-08 2021-08-20 孟金来 Device for filtering microorganisms in air by static electricity

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