A method and device for determining the diameter of a plasma arc flame
A plasma arc and plasma technology, applied in the field of ion rotating electrode powder making, can solve the problems of affecting the powder quality and unable to control the power density of the plasma arc, etc.
Active Publication Date: 2022-07-01
XIAN SAILONG AM TECH CO LTD
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Problems solved by technology
[0006] The embodiment of the present invention provides a method and device for determining the diameter of the plasma arc flame, which is used to solve the problem of affecting the quality of the powder due to the inability to control the power density of the plasma arc in the existing plasma rotating electrode powder making process
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[0046]The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0047] figure 1 A schematic diagram of the structure of the plasma pulverizing equipment provided for the prior art, such as figure 1 As shown, the plasma pulverizing equipment includes an atomizing chamber, a plasma gun and a metal bar. The plasma arc flame is between the plasma gun and the metal bar. According to the content of the background art, it can be determined that when the distance between the plasma gun and the melting en...
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The invention discloses a method and a device for determining the diameter of a plasma arc flame, which relates to the field of pulverizing and is used to solve the problem that the power density of the plasma arc cannot be controlled in the pulverizing process, resulting in the problem of affecting the powder quality. The method includes: dividing the main arc current of the plasma power supply into a plurality of equal parts according to a set value; when the main arc current of the plasma power supply increases according to the value corresponding to each equal part, using an image acquisition system to capture the diameter image of the plasma arc flame, Shooting each original image corresponds to the diameter of each plasma arc flame respectively; when starting pulverizing, shoot the diameter of the plasma arc flame, and compare and identify multiple detected images with multiple original images. If it is determined that at least one The flame shape of the detection image is the same as that of at least one original image, and the plasma arc flame diameter of the original image matching the first detection image is determined as the plasma arc flame diameter of the first detection image.
Description
technical field [0001] The invention relates to the technical field of plasma rotating electrode powder milling, and more particularly to a method and a device for determining the diameter of a plasma arc flame. Background technique [0002] The working principle of the plasma rotating electrode pulverizing equipment is to generate a large amount of heat instantaneously through a high-energy plasma beam to melt the end face of the high-speed rotating metal bar, so that the molten metal droplets fly out at a high speed under the action of centrifugal force, so as to achieve the preparation of spherical shape. Purpose of the powder. [0003] Regardless of whether it is a transferred arc or non-transferred arc milling equipment, the particle size and quality of the powder produced are closely related to the power density of the plasma arc, and the so-called plasma arc power density is the voltage U and current at both ends of the plasma arc. The product of I divided by the cro...
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IPC IPC(8): B22F9/14
CPCB22F9/14
Inventor 王冬冬陈斌科朱纪磊贺卫卫孙念光康鑫朱璐
Owner XIAN SAILONG AM TECH CO LTD