| Products | Fixed Carbon % min | Sulphur % max | Ash % max | Volatile % max | Nitrogen % max |
| GCA UNG89 | 89 | 0.5 | 9.0 | 2.0 | – |
| GCA UNG90 | 90 | 0.35 | 8.5 | 1.5 | – |
| GCA UNG93 | 93 | 0.3 | 6.0 | 1.0 | – |
| GCA UNG94 | 94 | 0.3 | 5.0 | 1.0 | – |
| GCA UNG95 | 95 | 0.25 | 4.0 | 1.0 | – |
Introduction
Gas Calcined Anthracite is a high-carbon material made from anthracite and calcined by gas heating. It is mainly used as a carbon additive and reducing agent in electrode manufacturing, aluminum electrolysis and steel smelting.
Applications
Carbon additive for steelmaking
Used as a carbon source in electric arc furnaces and converter steelmaking to adjust the carbon content of molten steel and reduce the effects of impurities.
Carbon raw material for electrode materials
Used in the manufacture of electrolytic aluminum and carbon products to improve electrical conductivity and high-temperature structural stability.
Used in the foundry industry to adjust carbon content
In gray iron and ductile iron casting, it promotes graphite formation and improves the structure and properties of castings.
Used as a carbon source and reducing agent in high-temperature furnaces
Used as a reducing agent in high-temperature reactions such as calcium carbide furnaces to improve reaction efficiency and thermal stability.
Filter materials for water treatment
Used as a filter medium to remove particulate impurities from water, suitable for industrial and municipal water treatment systems.
why choose us?
Equipped with gas calciners
The Ningxia plant is equipped with four gas calciners, ensuring uniform temperature control and ensuring high carbon content and low volatile matter in its products, meeting the consistent raw material purity requirements of the steel and electrode industries.
Particle Size Screening System
Two crushing and screening systems are used to perform multi-stage screening of finished products, controlling the particle size range and adapting to different customer requirements for particle size and packaging specifications, thereby enhancing application compatibility.
A comprehensive quality management system is in place.
ISO9001 certified, our products undergo standardized process control, ensuring consistent batch consistency and meeting the procurement requirements of the European, American, and Asian markets for aluminum electrolysis and casting.
FAQ
Q: How does the calcination temperature of gas-calcined anhracite affect product performance?
A: The calcination temperature directly determines the carbon content and volatile matter. Improper temperature control can lead to increased impurities, affecting steelmaking and electrode conductivity.
Q: How does gas-calcined anhracite affect reduction efficiency in steelmaking?
A: High-purity, low-volatile products can effectively provide a stable carbon source, promote reduction reactions in the furnace, and improve molten steel quality and production efficiency.
Q: How does product particle size affect electrode manufacturing?
A: Uneven particle size can lead to uneven mixing of the electrode paste, affecting electrode density and conductivity, and thus aluminum electrolysis efficiency.
Q: How can we prevent moisture absorption and clumping during product storage?
A: Store in a dry and ventilated environment, away from rain and ground moisture. The packaging should be sealed to prevent moisture ingress.
Q: What specific measures are there for dust control during transportation?
A: Use dust-proof packaging and sealed transportation. Use sprays or sealing measures during loading and unloading to reduce dust and ensure safety and environmental protection.
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