Plasma air disinfection device and method for in-situ inhibition and elimination of ozone
A plasma and air disinfection technology, which is applied in separation methods, disinfection, air quality improvement, etc., can solve the problems of limiting the application of plasma air disinfection devices, limiting the service life of adsorbents, increasing the cost of use, etc., and meeting the ozone emission standards , Prevent the harm of ozone to human health, and the effect of preventing harm
Pending Publication Date: 2021-04-06
TSINGHUA UNIV +1
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Problems solved by technology
[0003] However, in the process of use, the plasma inevitably produces a large amount of ozone, which is harmful to human health and limits the application of plasma air disinfection devices.
[0004] In the related technology, the ozone in the tail gas of the plasma air disinfection device is mainly treated through the adsorption treatment of the attached agent. However, the service life of the adsorbent is limited and it needs to be replaced regularly, which not only greatly increases the cost of use, but also greatly reduces the convenience of use. sex, need to be resolved
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[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0033] The following describes the plasma air disinfection device and its ozone in-situ suppression and elimination method according to the embodiments of the present invention with reference to the accompanying drawings. First, the plasma with ozone in-situ suppression and elimination proposed according to the embodiments of the present invention will be described with reference to the accompanying drawings Body air disinfection device.
[0034] figure 1 It is a schematic structural diagram of a plasma air disinfection device w...
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Abstract
The invention discloses a plasma air disinfection device and a method for in-situ inhibition and elimination of ozone. A plasma device of the plasma air disinfection device is provided with a foam metal positive electrode and a foam metal negative electrode, and comprises a porous ceramic medium and a honeycomb aluminum plate, wherein the porous ceramic medium is arranged between the foam metal positive electrode and the foam metal negative electrode, a nanometer titanium dioxide catalyst is sintered on the surface of the porous ceramic medium and used for in-situ inhibition of generation of ozone, and the honeycomb aluminum plate is provided with the nanometer titanium dioxide catalyst for catalyzing and decomposing ozone in tail gas. According to the device, in-situ inhibition of ozone in the plasma device and catalytic decomposition of ozone in the tail gas can be realized, application of the plasma device in a human environment is expanded, ozone emission standards in different environments are met, and the device is simple and easy to operate.
Description
technical field [0001] The invention relates to the technical field of ozone elimination of a plasma air disinfection device, in particular to a plasma air disinfection device and an in-situ ozone suppression and elimination method thereof. Background technique [0002] Because of its characteristics of no consumables and low wind resistance, plasma air disinfection is widely used in plasma air disinfection devices to kill bacterial pathogens in the air. [0003] However, in the process of use, the plasma inevitably produces a large amount of ozone, which is harmful to human health and limits the application of plasma air disinfection devices. [0004] In the related technology, the ozone in the tail gas of the plasma air disinfection device is mainly treated through the adsorption treatment of the attached agent. However, the service life of the adsorbent is limited and it needs to be replaced regularly, which not only greatly increases the cost of use, but also greatly red...
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IPC IPC(8): B01D53/86B01D53/66A61L9/22
CPCA61L9/22B01D53/8675Y02A50/20
Inventor 吴穷罗海云王豪张丽阳李雨泰杨坤冯子豪王凯
Owner TSINGHUA UNIV