From： web name Date：0000-00-00 00:00:00 Hits：16 Belong to：Industry Trends

Heat treatment plant introduction to heating is one of the important processes of heat treatment. Metal heat treatment of the heating method is a lot of, the first is the use of charcoal and coal as a heat source, near the application of liquid and gas fuel. Electric heating is easy to control, and no environmental pollution. The use of these heat sources can be directly heated, but also through the molten salt or metal, as well as the floating particles of indirect heating.

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