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Working principle of plasma generator

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Published on:

10 Sep,2020

Working principle of plasma generator:

Plasma generator is used to produce high temperature plasma arc device, mainly composed of anode, cathode and coil components. The anode and cathode components include two electrodes, anode and cathode, which are used to form an arc. A stable large current (280 ~ 350A) is added between the two electrodes. When the cathode advances and contacts the anode, the cathode moves away from the anode to pull arc discharge, and the compressed air between the electrodes is ionized to form a high-temperature plasma.

Tubular type plasma spray gun (parallel flow type plasma spray gun) is spun with tangential air into the heater chamber, air heater in high speed rotation, with the radial pressure gradient forward flow of air, the air flow to control the arc heater near the central axis, and stretched, forward movement of the airflow direction consistent with the axis of the arc, and basic parallel to each other, therefore, airflow by electric arc heating time is longer, due to the increase of arc length and arc voltage also increased significantly, under the condition of the same power, arc current reduced accordingly, so as to improve the service life of the electrode.

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