Description
Calcium Carbide Smelting Furnace
High-Yield Calcium Carbide Production by HANI Metallurgy
The Foundation of the Acetylene Chemical Industry
The Calcium Carbide Smelting Furnace is an essential unit for the chemical and metallurgical industries, primarily used to produce calcium carbide (CaC2). As a specialized Calcium Carbide Furnace, it employs the high-temperature reaction between lime (CaO) and carbonaceous materials like coke or anthracite. At HANI, we have optimized the CaC2 smelting process to achieve maximum yield and energy efficiency. Our SAF for calcium carbide is engineered with a fully enclosed design, allowing for the collection and utilization of high-energy furnace gas. This technology provides a stable, large-scale production platform for the manufacturing of acetylene gas, PVC, and calcium cyanamide.
A HANI Calcium Carbide Smelting Furnace is built for continuous, high-power operation. The Calcium Carbide Furnace utilizes the submerged arc principle, where the electrodes are buried deep in the charge, generating temperatures up to 2200°C. Our CaC2 smelting units are equipped with advanced Soderberg self-baking electrode systems and high-precision hydraulic control. By integrating intelligent power management and automated tapping machines, HANI’s SAF for calcium carbide ensures the highest level of operational safety and production stability, meeting the needs of modern industrial chemical bases.
Technical Specifications of HANI Calcium Carbide Furnace
| Model Specification | Unit | HANI-Ca25.5 | HANI-Ca33.0 | HANI-Ca45.0 | HANI-Ca60.0 |
|---|---|---|---|---|---|
| Transformer Capacity | MVA | 25.5 | 33.0 | 45.0 | 60.0 |
| Specific Power Consumption | kWh/t | 3000-3300 | 2900-3200 | 2800-3100 | 2750-3050 |
| Carbide Gas Yield | L/kg | ≥290 | ≥300 | ≥305 | ≥310 |
Chemical Basis of Calcium Carbide Production
The production of calcium carbide in a Calcium Carbide Smelting Furnace is a highly endothermic reaction that occurs in the Calcium Carbide Furnace hearth. The core CaC2 smelting reaction between lime and carbon (coke) requires intense electrical energy to overcome the high reaction enthalpy. HANI’s SAF for calcium carbide optimizes the heat balance by utilizing the radiant heat from the arc effectively within the material layer.
Primary Reaction Mechanism:
CaO + 3C → CaC2 + CO − 465.7 kJ/mol
Scientific facts show that the quality of calcium carbide from a Calcium Carbide Smelting Furnace is determined by the purity of the lime and the carbon content of the coke. HANI’s CaC2 smelting process incorporates a high-temperature gas cleaning system to capture the CO gas, which can be used to pre-calcine lime, creating a circular energy economy in the SAF for calcium carbide plant. Our furnaces also use specialized water-cooled linings to resist the corrosive liquid carbide at 2000°C+.
Key Advantages of HANI Calcium Carbide Technology
- Highest Automation: Our Calcium Carbide Furnace is equipped with fully automatic electrode slipping and material charging systems, maximizing safety in CaC2 smelting.
- Energy-Saving Enclosure: HANI’s Calcium Carbide Smelting Furnace utilizes a fully enclosed hood, capturing CO gas with ≥95% efficiency for downstream industrial use.
- Durable Cooling System: Advanced water-cooling components in our SAF for calcium carbide ensure a furnace lining life of over 5 years under continuous operation.
Professional FAQ for Calcium Carbide Furnace
Q1: What are the primary raw material ratios in HANI CaC2 smelting?
A: To produce 1 ton of calcium carbide, the Calcium Carbide Smelting Furnace typically requires ~900kg of lime and ~600kg of coke, depending on the material purity.
Q2: How does HANI manage the tapping process in a Calcium Carbide Furnace?
A: We use fully automated mud guns and drilling machines in our CaC2 smelting units, allowing for safe and consistent tapping of molten carbide from the SAF for calcium carbide.
Q3: What is the benefit of the fully enclosed design for the environment?
A: The fully enclosed Calcium Carbide Smelting Furnace prevents the release of dust and hazardous CO gas, making CaC2 smelting compliant with international environmental standards.
Empower Your Chemical Production with HANI
The Calcium Carbide Smelting Furnace is a strategic tool for the modern chemical industry. Trust HANI for a world-class SAF for calcium carbide solution that delivers on power and efficiency.
