How is the graphitization of carbon materials achieved?

Graphitization of carbon materials is performed at a high temperature of 2200 ~ 3000 ° C, so it can only be achieved by electric heating in industry. Generally, resistance heating or induction heating is used. Among the resistance heating furnaces, practical ones include the Acheson graphitization furnace, LWG graphitization furnace, and a tubular resistance furnace. In an induction furnace, the graphite heating table is heated by a high-frequency induction current or the object is directly heated.

At present, the Graphite Electrode is widely graphitized in the direct electric heating of the graphitization furnace, that is, the current directly passes through the graphitized baked product. At this time, the baked product in the furnace is a conductor that generates high temperature by the current, and it is also the object heated to high temperature .

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