High Carbon Silicon
Your Professional High Carbon Silicon manufacturer!
Anyang Sancheng Metallurgical Refractory Co., Ltd, is a large company integrating raw material production and processing, new product research and development, and sales.Our main products include: silicon carbide, metal silicon, silico manganese, silicon slag, silicon ball, ferro silicon carbon, silicon aluminum calcium compound deoxidizer, silicon calcium alloy, silicon aluminum barium calcium, manganese iron, carbon additive, graphite electrode, micro silicon powder, inoculant, silicon barium calcium, etc.We will have a high standard of quality management system throughout the entire production process, strict control of each production process, the establishment of a complete product tracking system to ensure that metallurgical product meets international quality standards.
Why Choose Us
High quality
From raw materials' selecting, smelting, crushing, finished products' testing, packing, to pre-shipment inspecting, every step, Sancheng people are all implementing strict quality control.
Production market
In the domestic market, we have established good business relations with many large enterprises. In the international market, our products have been sold to nearly 100 countries and regions in Southeast Asia, West Asia, Central Asia, Africa, America and Oceania.
Professional team
We have a full set of production equipment, a strong production foundation, two independent laboratories and a metallurgical material testing center composed of senior researchers.
24H online service
We try and respond to all concerns within 24 hours and our teams are always at your disposal in case of any emergencies.
Advantages of High Carbon Silicon
Good deoxidation effect
High carbon silicon can quickly react with oxygen in molten steel to form steel slag that floats to the surface of molten steel to achieve the purpose of deoxidation. This deoxidation process is rapid and effective, which can significantly shorten the smelting time and improve steelmaking efficiency.
Improve steel quality
High carbon silicon can improve non-metallic impurities such as sulfur and phosphorus in steel and improve the purity of steel. In addition, it can also be used as an additive to improve cast iron structure and improve the quality and performance of steel.
Environmental protection and energy saving
High carbon silicon has a certain desulfurization effect while deoxidizing, which can effectively reduce the amount of fluorite, reduce the concentration of toxic gas fluorine, and reduce environmental pollution. At the same time, it can also reduce the consumption of raw and auxiliary materials and improve the comprehensive economic benefits of electric furnaces.
Strong flexibility
High carbon silicon can be processed into balls, powders or granules according to customer requirements to meet different production needs.
Stable performance
High carbon silicon is a silicon briquette with broad market prospects. It has stable physical and chemical properties, high density, high purity, and little pollution to molten steel. At the same time, it can also maintain a high and stable recovery rate and stable performance.
Application of high carbon silicon
Steelmaking
High carbon silicon functions as a deoxidizer and carburizer in steel production. It effectively lowers the oxygen content in steel, enhancing its purity and thereby improving its strength and toughness. Furthermore, high-carbon silicon promotes graphitization, which enhances the plasticity and machinability of the steel.
Casting industry
In the casting industry, high carbon silicon serves as an inoculant, facilitating the crystallization of carbon and silicon in ferromagnetic fluids, which increases the strength and hardness of castings. It also significantly reduces porosity and cracking in castings, enhancing their surface quality and mechanical properties.
Environmental applications
• Water treatment and soil remediation: In the environmental sector, high carbon silicon is used in water treatment plants and soil remediation projects. The silicon content in high carbon silicon can help remove pollutants, while the carbon content enhances the material’s ability to absorb contaminants, making it valuable in the treatment of industrial wastewaters and the cleanup of polluted soils.
• Recycling: High carbon silicon is often used in metal recycling, particularly in steel and iron recycling plants, where it helps optimize the recovery and reuse of materials.
Automotive industry
• Engine blocks and components: High carbon silicon is used in the production of engine blocks, transmission housings, and other critical automotive parts. The alloy’s ability to improve both strength and resistance to wear makes it ideal for automotive applications, where high-performance and long-lasting materials are required.
• Casting of auto parts: In addition to steel, high carbon silicon is used in casting ductile iron for automotive parts such as brake discs, gearboxes, and suspension components. The addition of high carbon silicon improves the parts’ performance under high stress and temperature conditions, making them more reliable and durable in demanding automotive applications.
Other applications
High carbon silicon is extensively used in non-ferrous metal smelting and the production of electrical materials. It acts as a highly efficient reducing agent in the production of non-ferrous metals such as magnesium and titanium. Additionally, high-carbon silicon is employed in the manufacturing of semiconductor materials, solar cells, and other advanced technological products.
High Carbon Silicon Specifications
Size：10-60mm,10-70mm,10-100mm
Packing：25kg bag in a metric ton big bag (or upon request)
|
Model No |
Chemical Composition(%) |
|
Briquette |
||
|
Si |
C |
H2O |
|||
|
≥ |
≤ |
||||
|
Si35-C15 |
35 |
15 |
1.0/2.0 |
0-15 |
10-15 |
|
Si45-C15 |
45 |
15 |
1.0/2.0 |
0-15 |
10-15 |
|
Si55-C15 |
55 |
15 |
1.0/2.0 |
0-15 |
10-15 |
|
Si65-C15 |
65 |
15 |
1.0/2.0 |
0-15 |
10-15 |
Production Process of High Carbon Silicon
The primary raw materials used in the production of high carbon silicon are:
Silica (SiO2): Sourced from quartz or sand, silica serves as the silicon source.
Carbon Sources: Common carbon sources include petroleum coke, coal, or charcoal, which provide the necessary carbon content.
Reducing Agents: Occasionally, other materials may be added to enhance the reduction process.
The production of high carbon silicon typically occurs in an electric arc furnace (EAF) due to its ability to reach high temperatures necessary for the reduction process. Key considerations for furnace setup include:
Temperature Control: Maintaining a temperature range of 1,500 to 2,000 degrees Celsius is crucial for efficient silicon production.
Electrode Arrangement: Proper placement of electrodes ensures optimal heating and efficient energy consumption.
The reduction of silica to silicon involves the following steps:
Charging the Furnace: The raw materials—silica and carbon sources—are mixed in the desired proportions and charged into the furnace.
Electric Arc Formation: An electric current passes through the electrodes, creating an electric arc that generates high temperatures.
Reduction Reaction: At elevated temperatures, the carbon reacts with silica to produce silicon and carbon dioxide.
Formation of High Carbon Silicon: The silicon produced combines with the remaining carbon, resulting in high carbon silicon with carbon content typically exceeding 50%.
Once the reduction process is complete, the molten high carbon silicon needs to be cooled:
Tapping the Furnace: The molten alloy is tapped from the furnace and poured into molds or cast into slabs for further processing.
Cooling: The material is allowed to cool and solidify.
After cooling, the solid high carbon silicon is processed into the desired form:
Crushing: The solidified material is crushed into smaller pieces to facilitate handling and further processing.
Milling: For certain applications, high carbon silicon is ground into a fine powder, which enhances its usability in various industrial applications.
Chemical Analysis: Samples are taken to analyze the silicon and carbon content, ensuring they meet industry specifications.
Physical Testing: The mechanical properties and purity of the alloy are assessed to confirm that it meets quality standards.
Packaging and Shipping
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