High-quality Graphite Petroleum Coke to make steel is an essential carbon component in the making of cast iron and steel. It can improve cast iron quality and decrease impurity levels, thus reducing production costs. It is also able to lower the melting temperature of ferrous iron in liquid form as well as speed up solidification and enhance casting performance. It can also be used to generate electricity and its calorific value are similar to coal. It is crucial to think about the impact of its combustion on the environment.
The production of petroleum coke can be complicated, and the product has various physical and chemical properties based on the type of coke and the processing method. It can be divided into two types: non-graphite petroleum COK and graphitized oil coke. The graphitized petroleum coke is treated at high temperatures and is comparable to graphite. It is widely used to produce ductile and gray cast iron, and is a crucial component in the special casting processes.
The non-graphite coke is the residue left behind after crude oil has been destroyed in the refinery. It is primarily composed of volatile hydrocarbons and consists of only a small amount of nitrogen, sulfur, oxygen and metal elements. It has a dark black or grey appearance. It also has a porous structure with metallic sheen. It is classified according to its sulphur content and particle size. Coke with high sulfur content has more sulfur, whereas coke with low sulfur is less dense, and has a more uniform texture.
Graphitized petroleum coke is the result of coke calcined by petroleum being subjected to high-temperature graphitization within an iron furnace for graphitization. The structure of the crystals of petroleum coke changes as a result of the graphitization process and its crystalline structure changes to become more stable. It is mainly utilized in special casting processes as a recarburizer, particularly for the production of high-quality ductile and grey cast iron products that are precisely controlled sulphur content.
Recarburizers can reduce costs and conserve energy when producing steel and iron. It can increase the carbon content of liquid iron, allowing more scrap steel to go into melting, while reducing the pig iron dependence. It can also be used to make cast iron and friction materials, such as brake pedals, and can help to reduce the cost of manufacturing these items. Prices for recarburizers can fluctuate, so it is crucial to pick the right grade depending on your specific requirements.
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