Atmospheric magnetic field enhanced low-temperature plasma electric brush generation device

Abstract

The invention provides an atmospheric magnetic field enhanced low-temperature plasma electric brush generation device, which comprises a main body chamber with a gas inlet port and a gas outlet port, a pair of main discharge electrodes and a pair of dielectric barrier discharge plate electrodes. The main body chamber is made of an insulating material. The gas outlet port is a narrow-slit-shaped. A narrow-slit chamber is formed at a part close to the gas outlet port in the main body chamber. The width-to-thickness ratio of the gas outlet port is (5-100):1. The discharge ends of the main discharge electrodes are arranged in the narrow-slit chamber. The plate electrodes are arranged between the gas inlet port and the main discharge electrodes and are used for pre-ionizing working gas. A permanent magnet is arranged on the outer side of the narrow-slit chamber to enable the paths of electronics and ions which are produced through discharge to be changed. The atmospheric magnetic field enhanced low-temperature plasma electric brush generation device has the advantages that the electromagnetic induction principle is ingeniously utilized and the goal of reducing working energy consumption and operating cost is simply, conveniently and effectively realized.

Description

technical field [0001] The invention relates to a low-temperature plasma brush generating device. Background technique [0002] The dielectric barrier discharge enhanced low-temperature plasma brush generator disclosed in Chinese patent ZL201210006023.4 "Dielectric Barrier Discharge Enhanced Low-Temperature Plasma Brush Generator" consists of a main chamber, a pair of main discharge electrodes, and a pair of dielectric Barrier discharge (DBD) plate electrodes, a current limiting resistor, a mass flow meter and two power supply devices. The main body chamber includes two ports, one port is an air inlet port, and the other port is an air outlet port, and the part of the main body chamber close to the air outlet port naturally forms a slit cavity. Two electrodes for the main discharge are arranged at the slit cavity, and the discharge end faces facing each other are flat or needle-shaped. A current-limiting resistor is also connected in series on the loop of the main discharg...

AI Technical Summary

Problems solved by technology

[0005] However, further considering energy saving, emission reduction and maintenance cost, this device is still not ideal

Since the current limiting resistor is set in the discharge circuit, there is still more energy consumed on the resistor and wasted; secondly, in order to generate a larger volume of plasma jet, a higher gas flow rate is required, thus increasing the operating cost

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