Graphitized carburizing agent is a kind of carburizing raw material. A certain amount of graphitized carburizing agent is added in the smelting process to improve the carbon content in molten iron and improve the mechanical properties of metal castings. As graphitized carburizing agent is widely used in the smelting industry, it is also called an indispensable auxiliary additive for modern production of high-quality castings.
The calcined petroleum coke is lifted to the top bin of the vertical graphitization furnace by a hoist. In the top bin, the calcined petroleum coke enters the vertical graphitization furnace through its own gravity from the discharge port and sends power to the vertical graphitization furnace according to the process technical requirements. The resistance of the calcined petroleum coke itself is used to convert the electrical energy into thermal energy. With the discharge of the lower part of the graphitization furnace, the material layer in the furnace gradually moves down. The calcined petroleum coke is gradually heated to 2500 ~ 3000 ° C for high-temperature graphitization. At this time, the lattice transformation of carbon atoms occurs, and the moisture and volatile matter in the material are removed, so as to obtain high-quality high-performance carbon materials with stable thermal performance.
The graphitized high-performance carbon material moves down gradually, and the temperature of the material is reduced to room temperature after being gradually cooled by the water-cooled wall, water-cooled support and bottom water-cooled material tray around the lower part of the vertical graphitization furnace. After cooling, it is discharged by the discharging device at the bottom of the graphitization furnace body and becomes a graphitization carburizer.
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