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Method of High-Efficient Heat Dissipation for Plasma Torch Electrode by Using Integrated Heat Pipes
Method of High-Efficient Heat Dissipation for Plasma Torch Electrode by Using Integrated Heat Pipes
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机译:集成热管的等离子炬电极高效散热方法
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摘要
Plasma torch with an integrated electrode incorporating many heat pipes each heat pipe comprises an evaporating section and a condensing section set at a front end and a rear end of the electrode, respectively. The heat pipes with extremely high thermal conductivity can be used to replace the traditional water-cooled torch's electrode. The effect of reducing the elevated temperature at the torch's arc root zone through cooling by heat pipes is beneficial for prolonging the lifetime of plasma torch. Each heat pipe is filled with a small amount of working fluid. Even if one heat pipe is etched out, the cooling liquid thus ejected is limited without causing gas explosion and rock curing; the rest of heat pipes are not damage and can still function; although the heat dissipation efficiency might be reduced a little, the plasma torch still works. Thus, flexibility of the whole heat dissipation is enhanced.
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