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Revolved body cathode with cooling rib rings

A technology of rotating body and cooling ribs, which is applied in the direction of plasma and electrical components, can solve the problems of short service life, easy ablation of electrodes, and failure to meet the requirements of use, achieve good heating effect, and overcome easy ablation , the effect of increasing the area

Active Publication Date: 2014-07-16
甘肃永鸿染化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing plasma equipment cannot meet the requirements of harmful waste gas treatment or hydrogen production by pyrolyzing water, and the electrodes are easily ablated and have a short service life

Method used

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  • Revolved body cathode with cooling rib rings
  • Revolved body cathode with cooling rib rings
  • Revolved body cathode with cooling rib rings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1 figure 1 In the shown embodiment, the axial center of the rotator cathode (3) has a cylindrical channel through front and back, the inner wall of the front end of the cylindrical channel constitutes the inner ring discharge surface (303), and the outer wall of the front end of the rotator cathode (3) constitutes The embedded surface a (302), the outer wall of the rear end of the cathode (3) of the rotator forms the embedded surface b (304), and there is a raised ring on the outer wall of the rotator between the embedded surface a (302) and the embedded surface b (304) , the protruding rings on the outer wall of the rotating body constitute the cooling rib ring (301), and the cooling rib ring (301) is four rings. The rotary cathode (3) of this embodiment is used as one of the components of the plasma torch, installed in the cathode base at the rear of the plasma torch.

Embodiment 2

[0017] Example 2 figure 2 In the shown embodiment, the rotator cathode (3) is embedded in the cathode base (2), there is a space between the inner wall of the cathode pedestal (2) and the outer wall of the rotator cathode (3), and the cathode base The space between the inner wall of the seat (2) and the outer wall of the rotator cathode (3) forms a cooling water jacket (I), and the cooling water jacket (I) has a cooling water inlet port (205) connected to it and a cooling water outlet port (202) connected to it , there is an embedding port a (203) on the front wall of the cathode base (2), and the embedding face a (302) of the cathode (3) of the rotor is tightly embedded in the embedding port a on the front wall of the cathode base (2) In (203), there is an embedding port b (206) on the rear wall of the cathode base (2), and the embedding surface b (304) of the cathode (3) of the rotor is tightly embedded in the rear wall of the cathode base (2). Embedding port b (206) on th...

Embodiment 3

[0018] Example 3 image 3In the shown embodiment, a rotator cathode with a cooling rib ring is applied in a plasma heating torch, and the plasma heating torch includes a rotator cathode (3), a cathode base (2), an adapter (1) , an insulating frame (5), an anode (4), a front end (6) and a magnetic compression coil (7), wherein the structure of the rotor cathode (3) and the cathode base (2) is the same as that of the first embodiment and the second embodiment It is the same as that described in the embodiment and will not be repeated here. The adapter (1) is installed on the connection port (201) at the rear end of the cathode base (2), and the front end of the adapter (1) has a cyclone (101) protruding forward, and the cyclone (101) It has a rectangular thread or trapezoidal thread structure. The cyclone (101) extends into the cylindrical channel of the cathode (3) of the rotor. The pitch space of the cyclone (101) forms a spiral channel. The body of the adapter (1) Hollow ca...

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Abstract

The invention provides a revolved body cathode with cooling rib rings, and relates to a cathode of plasma spray guns. A through cylindrical hole channel in the front and back direction is formed in the axial center of the revolved body cathode, the inner wall of the front end of the cylindrical hole channel forms an inner ring discharging surface, the outer wall of the front end of the revolved body cathode forms an embedding surface a, the outer wall of the rear end of the revolved body cathode forms an embedding surface b, and the protruding cooling rib rings are arranged on the outer wall of a revolved body between the embedding surface a and the embedding surface b. The revolved body cathode is mounted in a cathode base in an embedding mode, the space between the inner wall of the cathode base and the outer wall of the revolved body cathode forms a cooling water jacket, an embedding port a is formed in the wall of the front end of the cathode base, the embedding surface a of the revolved body cathode is tightly embedded into the embedding port a of the wall of the front end of the cathode base, an embedding port b is formed in the wall of the rear end of the cathode base, and the embedding surface b of the revolved body cathode is tightly embedded into the embedding port b of the wall of the rear end of the cathode base. Through the application of the revolved body cathode with the cooling rib rings in plasma heating spray guns, the defect that the cathode is prone to being ablated is overcome.

Description

technical field [0001] The invention relates to plasma equipment, in particular to a cathode of a plasma spray gun. Background technique [0002] At present, plasma technology has been widely used, industrially used in plasma ignition, plasma spraying, metal smelting, plasma heating to manufacture nanomaterials, cutting, garbage incineration and waste treatment, etc. Plasma is a state formed under the ionosphere or discharge phenomenon. In the plasma generator, the discharge makes the gas molecules lose the outer electrons to form an ion state, which generates high temperature through mutual collision. Therefore, the plasma torch The temperature of the center of the torch can be as high as tens of thousands of degrees Celsius, and the temperature of the edge of the torch can also reach more than thousands of degrees. When the processed substance is impacted by the high-temperature plasma, its molecules will decompose, and the atoms will recombine to form new substances. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05H1/28
Inventor 周开根
Owner 甘肃永鸿染化有限公司
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