microwave carbon thermal restoring and preparing zirconium carbide powder

ZrC as a refractory metal carbides, has excellent properties of high melting point, high hardness, high thermal and electrical conductivity, and high chemical stability, it is widely used in the emitter surface coatings, fuel particle coating, heat Optical radiator coating and ultra high temperature refractories and other fields.

EAF carbon thermal reduction method is the most important industrial production methods. This method has mainly simple device structure and mature technology to build speed and operation, etc., there is also an electric arc furnace controlling temperature, high energy consumption, the product of the average particle size is large, the high temperature furnace damage severely and other serious problems. In contrast, microwave push board kiln and microwave carbon thermal reduction process, the process is controllable and adjustable accurately Carbothermal reduction under the fast speed of the microwave field, the process cycle is short, it can effectively reduce energy consumption product small uniform size and high purity microwave heating principle determines the furnace of simple structure, selective microwave heating furnace determine material is heated and the body of furnace is not heated, so it has the low furnace temperature, the low loss and the low maintenance costs.

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