Gas inlet assembly of spheroidized powder high-frequency induction plasma heater
A technology of high-frequency induction and air intake components, which is applied in the field of plasma, can solve the problems of air intake volume, air intake mode and intake position defects, and cannot meet the intake demand of high-frequency plasma heaters, etc., to achieve guaranteed enthalpy Value and stability, wide adjustment range, improved effect of discrete effects
Active Publication Date: 2017-08-08
云航时代(重庆)科技有限公司
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Problems solved by technology
The existing air intake method cannot meet the air intake requirements of the high-frequency plasma heater, and has defects in the air intake volume, air intake method and intake position
Method used
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[0026] The invention will be described in further detail below in conjunction with the accompanying drawings.
[0027] like figure 1 As shown, an air intake assembly of a spheroidized powder high-frequency induction plasma heater includes: a top cover 1 , a central cyclone 3 , an edge cyclone 4 and a base 6 . The top cover 1, the central cyclone 3, the side cyclone 4 and the base 6 are connected coaxially from top to bottom in sequence, and the upper and lower ends of each part are sealed by O-rings 7;
[0028] like figure 2 (a), figure 2 (b) and image 3 As shown, the side cyclone flow device 4 is an integral structure, including two parts, the upper part is a flange structure, the lower part is a thin-walled sleeve structure, and the outer ring part of the lower part of the thin-walled sleeve adopts axial rotating fins 41 to rotate the gas; The air passage 42 is first along the radial direction of the side cyclone flow device 4, and then passes through the side surface...
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The invention discloses a gas inlet assembly of a spheroidized powder high-frequency induction plasma heater. The gas inlet assembly comprises a top cover, a central gas cyclone, a side gas cyclone and a base, wherein the top cover, the central gas cyclone, the side gas cyclone and the base are coaxially connected in a matched mode sequentially from top to bottom; a side gas flow-equalizing chamber is formed between the lower end surface of the side gas cyclone and the lower sunken part of the center of the upper end surface of the base; a central gas flow-equalizing chamber is formed between the upper sunken part of the center of the lower end surface of the top cover and the outer wall of a boss at the upper end of the central gas cyclone; the side gas cyclone adopts an axial rotating fin structure; the central gas cyclone adopts a tangential cyclone gas hole structure; and cyclone gas holes and the side gas cyclone fins are consistent in rotation direction. The gas inlet assembly provides working gas needed for heater ionization, strengthens the heat exchange effect between powder and high-temperature plasma gas flow, and increases a spheroidization proportion of powder.
Description
technical field [0001] The invention belongs to the technical field of high-temperature plasma, and relates to an intake assembly of a high-frequency induction plasma heater. Background technique [0002] The preparation methods of spherical powder are mainly divided into physical method and chemical method. Among them, the technology of preparing spherical powder by physical method mainly includes atomization method and plasma method. Liquid-phase methods for preparing spherical powders mainly include spray pyrolysis, carbonyl and sol-gel methods. [0003] The current situation of the powder prepared by the atomization method is complicated, it is difficult to obtain a fine powder with a particle size of less than 20 μm, it is difficult to obtain a high spheroidization ratio, and it is not suitable for the preparation of high melting point metals. Spray pyrolysis method and sol-gel method (belong to chemical production method, there are more serious three wastes problems,...
Claims
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Login to View More IPC IPC(8): B22F9/14B22F1/00
CPCB22F9/14B22F1/065
Inventor 朱兴营陈连忠陈海群刘金涛周法刘祥马建平
Owner 云航时代(重庆)科技有限公司