CGM Online

 Anode paste is the predecessor of preparing anodes in electrolyzers in aluminum plants. In the 40 years before 1995, the anode paste was once the largest product in China's aluminum carbon products. After 2000, this product will gradually be replaced by anode carbon blocks. It is the product with the largest output among carbon products. The anode paste is a carbon paste made of petroleum coke and pitch coke as aggregates and coal tar pitch as a binder. It is used as anode material for continuous self-baking aluminum electrolytic cell. Because of its high content of binder (more than 24%), it is paste-like before the upper part of the electrolytic cell is sintered, so it is called anode paste. The prepared anode is not only capable of good electrical conductivity, but also resistant to high temperature and corrosion, and at the same time the price is low. The resistivity of the preliminary anode is 50-70 μΩ.m, plus the lead and contact resistance, during normal aluminum electrolys

 The new type of electrode paste is made of refined raw coal, desulfurizer, combustion-supporting agent and other materials. It is made through fine washing, desulfurization, and vacuum stirring mechanisms. It can be processed into rectangles, squares, oval shapes and other shapes according to user needs. Weight of lumpy product. The product has the following characteristics (compared with natural lump coal): 1. Uniform particle size and regular shape; 2. The void ratio is high, and the reaction activity is high; 3. The thermal efficiency is 20% higher than that of raw coal; 4. Reduce emissions of hazardous substances by 40%; 5. The broken rate is reduced by 30%; 6. Reduce the screening process. In the process of vigorously promoting new energy production, the new electrode paste will be a new type of environmentally friendly product that replaces raw coal, especially for smelting enterprises, 20%-30% of electrode paste can be added to reduce the amount of coke and greatly reduce smelt

 The two materials of electrode paste and smelting flux seem to have nothing to do with each other, but many engineers in the smelting industry crush the electrode paste into 5-10mm particles with a jaw crusher, which is used as a material for repairing the bottom of the furnace and used as a smelting flux. . The reason, let me talk about it slowly. Melting flux is a mixture of various materials formulated and then heated and melted. The melting method can be heated by flame or arc, and the heating temperature is generally 1500 to 1600 degrees Celsius. During the entire heating and melting process, the carbonate in the ore is decomposed, the high-valence manganese is reduced to MnO and forms silicate with SiO2, and the SiO2 is burned. Then pour the refined flux into water at a temperature lower than 20 degrees Celsius to form the flux into particles, which is called wet method; or use compressed air to blow the molten flux into small particles, which is called dry method. The wet-proce