Main uses
We focus on the development and production of carbon products
Calcined coke
Also known as "calcined petroleum coke", "calcined coke", "calcined coke", etc., it is the coke obtained from petroleum coke after being calcined at 1000-2000 ℃. Mainly used in the production of graphite electrodes, carburizing agents, carbon paste products, diamond sand, food grade phosphorus industry, metallurgical industry, and calcium carbide, among which graphite electrodes are the most widely used.
According to the different sulfur content, it can be divided into high sulfur coke (sulfur content above 3%) and low sulfur coke (sulfur content below 3%). Low sulfur coke can be used as anode paste and pre baked anode for aluminum plants, as well as graphite electrodes for steel and iron plants. High quality low sulfur coke (with sulfur content less than 0.5%) can be used to produce graphite electrodes and carbonizing agents. Low sulfur coke of general quality (sulfur content less than 1.5%) is commonly used in the production of pre baked anodes. Low quality petroleum coke is mainly used for smelting industrial silicon and producing anode paste. High sulfur coke is generally used as fuel in cement plants and power plants. Calcined coke is the product of high-temperature calcination of petroleum coke. Petroleum coke calcination is an important process in the carbon production process, which involves high-temperature calcination under the condition of air isolation to eliminate volatile substances and moisture in the raw materials. During the calcination process, the structure and elemental composition of various carbonaceous raw materials undergo a series of deep changes, improving their physical and chemical properties, and ultimately obtaining calcined coke.
From the appearance, the calcined coke is an irregularly shaped coke with a porous structure. After calcination, the carbon particle pores are more transparent and have a black metallic luster. More than 98.5% of the elemental composition is carbon.
Main purpose
Calcined coke is divided into three types: low sulfur, medium sulfur, and high sulfur
The use of low sulfur calcined coke: as insulation and filling material for manufacturing graphite electrodes and special carbon products; Applied as a carbon enhancing or reducing agent in the metallurgical casting industry, as well as in the titanium industry;
The use of medium sulfur calcined coke: generally used for aluminum smelting, mainly for pre baked anodes and cathodes used in aluminum electrolysis;
The use of high sulfur calcined coke: it can be used in chemical production, silicon carbide, or as fuel for metal manufacturing, glass factories, etc;
The main application field of calcined coke in China is the electrolytic aluminum industry, which accounts for more than 65% of the total amount of calcined coke used,
Secondly, there are carbon, industrial silicon, and other smelting industries. The use of calcined coke as fuel is mainly in industries such as cement, power generation, and glass, with a relatively small proportion.
Index
|
Type |
Fixed Carbon （Min） |
Sulfur (Max) |
Ash (Max) |
Volatile Matter (Max) |
Moisture (Max) |
Size |
|
CPC-01 |
99% |
0.5% |
0.5% |
0.5% |
0.5% |
1-3mm, 1-5mm, 3-8mm, 5-15mm, etc., can be produced according to customer requirements |
|
CPC-02 |
98.5% |
0.7% |
0.7% |
0.8% |
0.5% |
|
|
CPC-03 |
98% |
2.0% |
1% |
1% |
0.5% |
|
|
CPC-04 |
98.5 |
2.5% |
0.7% |
0.8% |
0.5% |
|
| Product packaging | Customized according to customer requirements, such as 25kg plastic woven bags with ton bags, paper bags wrapped with film and palletized, etc., and can be printed with specified labels. | |||||
Types and uses of carbon blocks
Carbon block materials are widely used in the construction of ironmaking blast furnaces, aluminum electrolysis tanks, ferroalloy furnaces, and calcium carbide furnaces. Carbon blocks have certain conductivity and thermal conductivity, good corrosion resistance, volume stability at high temperatures, and high high-temperature strength. Its main varieties can be divided into blast furnace carbon blocks, electric furnace carbon blocks, as well as bottom (cathode) carbon blocks and side carbon blocks of aluminum electrolysis cells.
We focus on the development and production of carbon products
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