Graphitized Recarburizers

The mainstream recarburizer on the market now is the recarburizer for graphitized petroleum coke. Graphitization is the process of heating amorphous carbon for a prolonged period of time, rearranging the atomic structure to achieve an ordered crystalline structure that is typical of solids. During graphitization, carbon atoms are rearranged to fill atom vacancies and improve atom layout.

There are many kinds of raw materials for recarburizers, and the production processes are different, such as wood-based carbon, coal-based carbon, coke, graphite and so on. Recarburizers generally refer to graphitized recarburizers. Under high temperature conditions, the arrangement of carbon atoms is in the microscopic shape of graphite, so it is called graphitization.

The effect of the particle size of the recarburizer on the absorption rate of the recarburizer depends on the combined effect of the dissolution and diffusion rate of the recarburizer and the rate of oxidation loss. In general, the recarburizer particles are small, the dissolution rate is fast, and the loss rate is large; the carburizer particles are large, the dissolution rate is slow, and the loss rate is small. The choice of the particle size of the recarburizer is related to the diameter and capacity of the furnace. Under normal circumstances, the diameter and capacity of the furnace are large, and the particle size of the recarburizer is larger; on the contrary, the particle size of the recarburizer is smaller.

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