Calcined coke has a wide range of uses. To understand the uses of calcined coke, we must first understand what are the characteristics of calcined coke?

In China, electric calciner, rotary kiln and tank furnace are usually used for the calcination of anthracite. Among them, the calcined anthracite produced by electric calciner is referred to as electric calcined coal (English abbreviation: ECA), and the calcined anthracite produced by the other two calciners is referred to as ordinary coal. Calcined coal (English abbreviation: GCA). ECA is calcined at a temperature of 2000°C, so it has low volatile content, good thermal and electrical conductivity, and a powder resistivity of about 600. It is mainly used in products such as carbon bricks, electrode pastes, and cathode carbon blocks. There are certain requirements, and the proportion and particle size of ECA in these product formulations vary according to different enterprises. The calcination temperature of GCA is around 1200°C. Although the conductivity is much lower than that of ECA, the sulfur content of anthracite is usually 0.3-0.5%. GCA is widely used as a recarburizer in the steel and foundry industries. As a recarburizer, its cost performance is more cost-effective. high.

Usually the main parameters of anthracite are measured by fixed carbon, sulfur, ash, moisture and volatile matter, but the above indicators are difficult to fully express the performance of calcined anthracite as a carburant. The absorption rate is an important indicator for the steel plant to measure the performance of the carburant. A high absorption rate means that more carbon is absorbed. For example, the absorption rate increases from 80% to 90%, and the consumption of the carburant can be reduced by 11%. , if calculated according to the price of 400USD/ton, the purchase cost can be reduced: 44USD/ton.

Calcined anthracite particles that are usually easily absorbed by molten steel have more metallic luster in appearance. This luster is related to the quality of the raw material of anthracite. This kind of calcined anthracite generally has a larger specific gravity. When they are put into molten steel, they are easier to settle into the steel. It is absorbed in water, on the contrary, it floats on the surface of molten steel for a long time and is lost by oxidation. At the same time, calcined anthracite with metallic luster on the surface has a larger surface area due to the internal structure of the particles, so it can be combined with molten steel to achieve rapid dissolution and be absorbed.

What are the specific uses of calcined coke? In addition to being widely used in steelmaking, ironmaking, ordinary casting, precision casting and other industries, calcined coke is also widely used in other metallurgical industries. Jiatan calcined coke recarburizer has developed a variety of high-carbon, low-sulfur, low-nitrogen recarburizer products according to customer needs. These products have played a positive role in improving product quality and reducing consumption in the metallurgical industry, and have become various in recent years. The first choice for large enterprises.

Therefore, when you select and evaluate the quality of calcined anthracite, you should not only consider the parameters of fixed carbon, sulfur, ash, moisture and volatile matter, but also pay attention to the end-use performance of anthracite. The more intuitive method can be through The appearance glossiness of different calcined anthracites can be visually measured for comparison, or the glossiness and true density can be detected by instruments for comprehensive judgment.