The main component of graphite coke powder is fixed carbon, few volatiles, no smoke when burning. The calorific value is about 25104 kJ/kg-31380 kJ/kg. it is silver-white or gray-black, with metallic luster, hard and porous.
Large pieces are called lump coke or metallurgical coke, small pieces are called crushed coke, and powder is called coke chips. Graphite coke powder is mainly used in blast furnace ironmaking and blast furnace smelting of non-ferrous metals such as copper, lead, zinc, titanium, antimony, mercury, etc., acting as a reducing agent, heat generating agent, and a skeleton of the material column.
Graphite coke powder has flammability, so more attention should be paid to the storage, to reduce the loss of external substances, do the above measures, but also on the storage of graphite coke powder regular inspection tours, in order to keep abreast of the storage situation. Graphite coke powder is used in large quantities in ironmaking and non-ferrous metal smelting, but also used in foundry, chemical industry, calcium carbide and ferroalloys, which have different quality requirements.
Graphitized petroleum coke is the best carbonizer for smelting. In the steelmaking industry, to produce good steel, there must be good raw materials, including a good carbonizer, graphitized petroleum coke is the best carbonizer. In the absence of graphitized petroleum coke, due to the low edge and angle of graphite electrodes and the expensive price, it not only increases the cost of steelmaking, but also restricts the development of the steel industry. The appearance of graphitized petroleum coke breaks this bottleneck. China's iron and steel industry is developing rapidly, and its steel output ranks first in the world. In the past, low-end non-graphitized carbon enhancers were usually used in the domestic smelting industry. With the improvement of product quality and the need for upgrading, graphitized coke is increasingly used in China.
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