Water vapor plasma generation method

A plasma and water vapor technology, applied in the direction of plasma and electrical components, can solve the problems affecting the service life of plasma generator electrodes, and achieve the effect of preventing condensation and prolonging the service life.

Active Publication Date: 2020-08-25
江苏帕斯玛环境科技有限公司
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Problems solved by technology

However, water vapor plasma is easy to condense due to the water vapor as the working gas, which will affect the service life of the electrodes of the plasma generator after condensation. Even if ceramics are selected as the water vapor delivery pipe, this problem cannot be solved well, so the water vapor Plasma is often not an option to use

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Embodiment Construction

[0013] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0014] In the description of the invention, it should be noted that the terms "first" and "second" are only used for description purposes, and should not be understood as indicating or implying relative importance. Unless otherwise clearly specified and limited, the terms "installed", "installed", "connected", etc. should be interpreted in a broad sense, such as "connected", which can be a fixed connection, a detachable connection, or an integral connection ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. ...

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Abstract

The invention discloses a water vapor plasma generation method which comprises the following steps: (1) introducing air as working gas into a plasma generator to generate air plasma to preheat the plasma generator; and (2) gradually switching air into water vapor to serve as working gas to be introduced into the plasma generator, and generating water vapor plasmas. According to the invention, airis used as working gas at the beginning, the plasma generator is heated by utilizing air plasma, and the working gas is switched into water vapor, so that the water vapor can be effectively preventedfrom condensing when entering the plasma generator, an electrode of the generator is protected, and the service life of the plasma generator is prolonged.

Description

technical field [0001] The invention relates to a method for generating water vapor plasma. Background technique [0002] Due to the characteristics of high temperature, high enthalpy and high chemical activity, plasma is widely used in environmental protection fields, such as waste treatment and synthesis gas production. At present, air plasma is widely used in waste treatment, but air plasma contains 78% nitrogen, and the reaction will produce nitrogen oxides, which will have a certain impact on the environment. The water vapor plasma is mainly composed of hydroxyl radicals and high-energy electrons, which has higher chemical activity, better redox performance, and its advantages are more obvious, and it will not produce secondary pollutants. However, water vapor plasma is easy to condense because the water vapor as the working gas is easy to condense. After condensation, it will affect the service life of the electrodes of the plasma generator. Even if ceramics are selec...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H1/24H05H1/28H05H1/34
CPCH05H1/24H05H1/28H05H1/34
Inventor 陈伟余德平张金刚薛攀
Owner 江苏帕斯玛环境科技有限公司
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