CN219283559U - Plasma catalytic air purification device - Google Patents

Plasma catalytic air purification device Download PDF

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Publication number
CN219283559U
CN219283559U CN202320158684.2U CN202320158684U CN219283559U CN 219283559 U CN219283559 U CN 219283559U CN 202320158684 U CN202320158684 U CN 202320158684U CN 219283559 U CN219283559 U CN 219283559U
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folding
plasma
unit
shell
generating tube
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刘伟
张小龙
陈凤
李春燕
姚宇坤
许志龙
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Jiangsu Environmental Engineering Technology Co Ltd
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Jiangsu Environmental Engineering Technology Co Ltd
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    • 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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Abstract

The utility model discloses a plasma catalytic air purification device which comprises a purification unit, a power unit and an exhaust unit, wherein the purification unit comprises a porous shell, a folding filter cartridge, a plasma generating tube and an adsorption catalytic folding cartridge, the power unit comprises a sealed shell and an induced draft fan, and the exhaust unit is a hood with a grid. The purifying unit is located the bottom, is porous shell, folding filter screen, plasma generating tube and absorption catalysis folding section of thick bamboo in proper order from outside to inside, and absorption catalysis folding section of thick bamboo inboard passageway is the clean gas passageway, and power unit is located purifier's centre, bottom and purifying unit's exit linkage, and the draught fan is located sealed shell's central point put, and exhaust unit is located purifier's top. The plasma catalytic air purification device can remove dust, benzene, formaldehyde and other gaseous pollutants in the air simultaneously, and has the characteristics of compact structure, small space occupation and convenient installation and maintenance.

Description

Plasma catalytic air purification device
Technical Field
The utility model belongs to the field of air purification, and particularly relates to a plasma catalytic purification device which can be widely applied to purification of air in rooms, factory workshops or markets and the like.
Background
With the development of the economy in China, the environmental problems are more and more serious, the urban air pollution in China is aggravated, and the pollution levels of particulate matters (PM 10), fine particulate matters (PM 2.5), ozone, nitrogen oxides and sulfur oxides are the most worldwide. In the face of pollution of outdoor air, the residence time of people in the room is greatly increased, and the urban indoor environment is also subjected to abrupt changes. A large number of artificial composite materials are used for building decoration materials, furniture and indoor articles, some of which release volatile organic compounds such as formaldehyde, benzene and the like. The influence of indoor air pollution on the health of people cannot be ignored, and the indoor air pollution needs to be paid attention to the influence, and corresponding measures are taken for coping and preventing the influence.
There are a variety of different techniques and media in air purification devices, and common air purification techniques include: adsorption technology, negative (positive) ion technology, catalysis technology, photocatalyst technology, HEPA efficient particulate air filtration technology, electrostatic dust collection technology and the like, and meanwhile, efficient solution of PM2.5 and harmful gaseous pollutants is an important development point for air purification. Patent CN 218179174U discloses an air purification device, adopts the multilayer filtration mode that just imitates filter screen, anion antibacterial filter screen, HEPA filter screen and active carbon filter screen combination, improves the air purification effect, but the removal of harmful gas only passes through the absorption of active carbon, and easy saturation is inefficacy. Patent CN 218154713U discloses a sterilizing air purifying device, which uses a UV lamp to sterilize the air, but the continuous operation of the lamp affects the life of the lamp. Patent CN 214038813U discloses a plasma air purification device with increased air circulation, but the discharge process has the risk of exceeding ozone.
Disclosure of Invention
Indoor air pollutants comprise particulate matters and VOCs pollutants, and current purification treatment equipment is limited to single particulate matter treatment or VOCs treatment. The techniques such as efficient HEPA filtration can effectively treat particulate contaminants, but cannot address gaseous VOCs contaminants. The technologies such as UV photolysis and activated carbon adsorption have a purifying effect on gaseous VOCs pollutants, but cannot remove particulate matters, and the service life is often greatly limited.
In order to solve the technical problems, the utility model discloses a plasma catalytic air purification device, which couples filtering, plasma and adsorption catalytic technologies in the purification device, so that the integrated air purification device can remove particulate matters and VOCs pollutants at the same time, and meanwhile, the integrated air purification device is simple in structure and convenient to assemble, disassemble and maintain through structural optimization.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the plasma catalysis air purification device is characterized by comprising a purification unit, a power unit and an exhaust unit, wherein the purification unit comprises a porous shell, a folding filter cartridge, a plasma generation tube and an adsorption catalysis folding tube, the power unit comprises a sealed shell and an induced draft fan, and the exhaust unit is a hood with a grid. The purifying unit is located the bottom, is porous shell, folding filter screen, plasma generating tube and absorption catalysis folding section of thick bamboo in proper order from outside to inside, and absorption catalysis folding section of thick bamboo inboard passageway is the clean gas passageway, and power unit is located purifier's centre, bottom and purifying unit's exit linkage, and the draught fan is located sealed shell's central point put, and exhaust unit is located purifier's top.
Further, the porous shell is cylindrical, the shell is provided with a porous structure, the pore channel structure is rectangular or circular, and the surface aperture ratio is 80-90%.
Further, the filter material of the folding filter cartridge is PP, glass fiber or PTFE, the filter material can be of a single-layer or multi-layer composite structure, and the upper end face and the lower end face of the folding filter cartridge are provided with sealing gaskets.
Further, the plasma generating tube is arranged between the folding filter cartridge and the adsorption catalysis folding filter cartridge, the positive and negative poles of the plasma generating tube are alternately arranged in sequence according to the circumference, and the interval between the positive and negative poles of the plasma generating tube is 2-10 mm.
Further, the adsorption catalytic folding cylinder adopts a supported filter material, the base material is fiber or glass fiber cloth coated with zeolite, the base material is supported with an ozone catalyst in a dipping or hydrothermal mode, and the types of the ozone catalyst can be but are not limited to MnOx and TiO 2 、ZnO、CeO 2 One or a mixture of more than one of CuO.
Further, the top of the hood with the grille is of a sealing structure, the periphery of the hood with the grille is of a porous grille structure, and the pore rate of the periphery of the hood with the grille is 90% -98%.
The beneficial effects are that: compared with the prior art, the utility model provides a plasma catalytic air purification device, which has the following beneficial effects:
(1) The HEPA efficient filtering technology, the plasma degradation technology and the adsorption catalysis technology for air purification are combined, PM2.5 particulate matters and VOCs can be removed at the same time, and the air purification achieves deep treatment.
(2) The adsorption catalysis technology can improve the utilization efficiency of active groups and ozone generated by plasma on one hand, and can ensure that the ozone concentration of an outlet cannot exceed the standard on the other hand.
(3) And the three-layer integral nested structure is adopted, so that the maintenance and replacement difficulty is reduced.
Drawings
Fig. 1 is a structural view of a plasma catalytic air cleaning apparatus.
1-porous shell, 11-folding cartridge filter, 12-plasma generating tube, 13-adsorption catalysis folding tube, 2-sealed shell, 21-induced draft fan, 3-grid hood.
Detailed description of the preferred embodiments
The following description will be given of the scheme of the plasma catalytic air purification device in the embodiment of the present utility model in detail, with reference to the accompanying drawings in the embodiment of the present utility model. The described embodiments are intended to be representative of the present utility model and not all embodiments. Thus, other cases obtained based on the present embodiment and without other inventive efforts are also within the scope of the present utility model.
The plasma catalytic air purification device is characterized by comprising a purification unit, a power unit and an exhaust unit, wherein the purification unit comprises a porous shell 1, a folding filter cartridge 11, a plasma generating tube 12 and an adsorption catalytic folding tube 13, the power unit comprises a sealed shell 2 and an induced draft fan 21, and the exhaust unit is a hood 3 with a grid. The purifying unit is located the bottom, from outside to inside in proper order be porous shell 1, folding filter screen 11, plasma generating tube 12 and absorption catalysis folding cylinder 13, absorption catalysis folding cylinder 13 inboard passageway is the clean gas passageway, and power unit is located purifier's centre, bottom and purifying unit's exit linkage, and draught fan 21 is located sealed shell 2's central point put, and exhaust unit is located purifier's top.
Preferably, the shell has a porous structure, the pore structure is rectangular or circular, and the surface aperture ratio is 85%.
Preferably, the filter material of the folding filter cartridge is a multi-layer composite structure of PP and glass fiber, and the upper end face and the lower end face of the folding filter cartridge are provided with sealing gaskets.
Preferably, the plasma generating tube is arranged between the folding filter cartridge and the adsorption catalysis folding filter cartridge, the positive and negative poles of the plasma generating tube are alternately arranged in sequence according to the circumference, and the interval between the positive and negative poles of the plasma generating tube is 5mm.
Preferably, the adsorption catalysis folding cylinder adopts a supported filter material, the base material is activated carbon fiber, the base material is loaded with an ozone catalyst in a dipping or hydrothermal mode, and the types of the ozone catalyst are MnOx and TiO 2 Is a mixture of (a) and (b).
Preferably, the top of the hood with the grid is of a sealing structure, the periphery of the hood with the grid is of a porous grid structure, and the porosity of open holes on the periphery of the hood with the grid is 95%.
Although embodiments of the present utility model have been shown and described, various modifications and changes can be made to the embodiments by one skilled in the art without departing from the logic and principles of the present utility model, the scope of which is not limited by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a plasma catalysis air purification device, a serial communication port, including purifying element, power pack and exhaust unit, wherein purifying element includes porous shell, folding cartridge filter, plasma generating tube and absorption catalysis folding cylinder, power pack includes sealed shell and draught fan, exhaust unit is taking the grid hood, purifying element is located the bottom, from outside to inside be porous shell in proper order, folding filter screen, plasma generating tube and absorption catalysis folding cylinder, absorption catalysis folding cylinder inboard passageway is the clean gas passageway, power pack is located purifying device's centre, bottom and purifying element's exit linkage, the draught fan is located sealed shell's central point, exhaust unit is located purifying device's top.
2. A plasma catalytic air cleaning apparatus according to claim 1, wherein: the porous shell is cylindrical, the shell is provided with a porous structure, the pore canal structure is rectangular or circular, and the surface aperture ratio is 80-90%.
3. A plasma catalytic air cleaning apparatus according to claim 1, wherein: the filter material of the folding filter cartridge is PP, glass fiber or PTFE, the filter material can be of a single-layer or multi-layer composite structure, and the upper end face and the lower end face of the folding filter cartridge are provided with sealing gaskets.
4. A plasma catalytic air cleaning apparatus according to claim 1, wherein: the plasma generating tube is arranged between the folding filter cartridge and the adsorption catalysis folding filter cartridge, the positive and negative poles of the plasma generating tube are alternately arranged in sequence according to the circumference, and the interval between the positive and negative poles of the plasma generating tube is 2-10 mm.
5. A plasma catalytic air cleaning apparatus according to claim 1, wherein: the adsorption catalytic folding cylinder adopts a supported filter material, the base material is activated carbon fiber or glass fiber cloth coated with zeolite, the base material is supported with an ozone catalyst in a dipping or hydrothermal mode, and the types of the ozone catalyst can be but are not limited to MnOx and TiO 2 、ZnO、CeO 2 One or a mixture of more than one of CuO.
6. A plasma catalytic air cleaning apparatus according to claim 1, wherein: the top of the hood with the grid is of a sealing structure, the periphery of the hood with the grid is of a porous grid structure, and the pore porosity of the periphery of the hood with the grid is 90% -98%.
CN202320158684.2U 2023-02-08 2023-02-08 Plasma catalytic air purification device Active CN219283559U (en)

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CN202320158684.2U CN219283559U (en) 2023-02-08 2023-02-08 Plasma catalytic air purification device

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CN202320158684.2U CN219283559U (en) 2023-02-08 2023-02-08 Plasma catalytic air purification device

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CN219283559U true CN219283559U (en) 2023-06-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240401824A1 (en) * 2023-06-02 2024-12-05 Airea, Llc Air purifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240401824A1 (en) * 2023-06-02 2024-12-05 Airea, Llc Air purifier

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