Description
Submerged Arc Furnace for Calcium Carbide
High-Power Carbide Production Solutions by HANI Metallurgy
Driving the Future of Industrial Carbide Production
The Submerged Arc Furnace for Calcium Carbide is a high-capacity metallurgical unit engineered for the continuous production of calcium carbide (CaC2), a fundamental raw material for the acetylene and PVC industries. By utilizing the “submerged arc” principle, where the electric arc is maintained within the hearth covered by the lime and coke charge, the SAF calcium carbide unit ensures a stable, high-temperature environment reaching up to 2200°C. At HANI, we specialize in high-power carbide production systems that incorporate advanced electrode management and fully enclosed designs. Our Submerged Arc Furnace for Calcium Carbide is designed for record-high productivity and ultra-low energy consumption, making it the preferred choice for large-scale industrial chemical complexes worldwide.
A HANI Submerged Arc Furnace for Calcium Carbide is characterized by its superior electrical efficiency and robust mechanical design. The SAF calcium carbide process is energy-intensive; therefore, we have optimized our “short-net” electrical systems to minimize reactance and power loss. As a global leader in carbide production technology, HANI provides turnkey solutions that include automated batching, intelligent electrode slipping mechanisms, and state-of-the-art gas cleaning systems. Our Submerged Arc Furnace for Calcium Carbide has set new industry standards for safety and environmental protection, enabling producers to achieve consistent carbide quality with the lowest operational overhead.
HANI SAF Calcium Carbide: Technical Specifications
| Parameter | Unit | HANI-SAF-Ca33.0 | HANI-SAF-Ca48.0 | HANI-SAF-Ca60.0 |
|---|---|---|---|---|
| Transformer Capacity | MVA | 33.0 | 48.0 | 60.0 |
| Specific Power Consumption | kWh/t | 2950-3200 | 2850-3100 | 2700-3000 |
| Electrode Type | – | Soderberg Self-Baking Electrodes | ||
| Carbide Gas Yield | L/kg | ≥300 | ≥310 | ≥315 |
Advanced Engineering in HANI Carbide Furnaces
The HANI Submerged Arc Furnace for Calcium Carbide incorporates several innovations in high-temperature metallurgy. In carbide production, the electrical resistance of the charge is a critical variable. Our SAF calcium carbide unit uses a patented electrode pressure ring and contact shoe design to ensure consistent power delivery even at currents exceeding 100 kA. This prevents electrode breakage and improves the thermal stability of the Submerged Arc Furnace for Calcium Carbide.
Furthermore, our carbide production equipment features a high-efficiency furnace lid cooling system. In a Submerged Arc Furnace for Calcium Carbide, the gases produced are extremely hot and contain hazardous CO. HANI’s SAF calcium carbide units utilize a modular water-cooled lid that captures these gases for safe purification and reuse, significantly improving the overall Opex of the facility.
Production Reference Values for SAF Calcium Carbide
For the successful operation of a Submerged Arc Furnace for Calcium Carbide, HANI provides the following operational benchmarks:
- Specific Consumption: 2700-3000 kWh per ton of CaC2 produced in our high-power SAF calcium carbide units.
- Electrode Consumption: 15-25 kg per ton of CaC2 for the Submerged Arc Furnace for Calcium Carbide.
- Tapping Cycle: For a 48 MVA unit, tapping molten carbide every 1.5 to 2.5 hours ensures maximum furnace efficiency in carbide production.
Professional FAQ on SAF Carbide Technology
Q1: What are the benefits of the fully enclosed HANI Submerged Arc Furnace for Calcium Carbide?
A: The fully enclosed SAF calcium carbide design captures high-calorie CO gas, prevents dust emissions, and allows for automated operation, making it significantly safer and more eco-friendly for carbide production.
Q2: How does HANI ensure consistent CaC2 gas yield?
A: Through AI-driven batching and precise temperature control in our Submerged Arc Furnace for Calcium Carbide, we ensure that the lime-to-coke ratio is always optimized for maximum carbide production yield.
Q3: Can HANI provide the peripheral systems for the carbide plant?
A: Yes. HANI offers complete turnkey solutions, including lime kilns, coke drying systems, and automated carbide crushing and packing for the Submerged Arc Furnace for Calcium Carbide facility.
Partner with HANI for Your Chemical Venture
The Submerged Arc Furnace for Calcium Carbide is a strategic tool for the modern chemical industry. Partner with HANI for a world-class carbide production solution today.






