Graphite is an allotrope of carbon, grayish black, opaque solid, density 2.25 grams per cubic centimeter, melting point 3652 ° C, boiling point 4827 ° C. It has stable chemical properties and corrosion resistance. It is not easy to react with chemicals such as acid and alkali. Burning in oxygen at 687 ° C produces carbon dioxide. It can be oxidized by strong oxidants such as concentrated nitric acid and potassium permanganate. It can be used as anti-wear agent and lubricant. High-purity graphite can be used as neutron moderator in atomic reactor. It can also be used to manufacture crucible, electrode, brush, dry battery, graphite fiber, heat exchanger, cooler, electric arc furnace, Arc lights, pencil refills, etc.
The limestone is fed into the bucket elevator and subsequently transported to the raw material warehouse for grinding.
After grinding, the finished products are gathered by powder concentrator, and then conveyed to a screw conveyor.
The finished products are transported to the storage warehouse, while the excess gas is filtered by the dust collector.
The whole system is equipped with three pulse dust collectors to guarantee that the whole system is free of dust leakage.
The system is outfitted with an intelligent PLC control cabinet and an upper computer.
The system is equipped with an intelligent PLC control cabinet and an upper computer.
In the electrical industry, it is used to manufacture electrode positive electrodes, graphite gaskets, telephone parts, and coatings for TV picture tubes.
In the electrical industry, it is used to manufacture electrode positive electrodes, graphite gaskets, telephone parts, and coatings for TV picture tubes.
Graphite is often used as a lubricant in the machinery industry.
It is used to make heat exchangers and reaction tanks in petrochemical industry, hydrometallurgy and other industries.
Due to the small thermal expansion coefficient of graphite and its resistance to rapid cooling and heat changes, it can be used as a casting mold for glassware.
Graphite has a good neutron moderator and is used in atomic reactors. Uranium-graphite reactors are currently widely used in atomic reactors.
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