36,000 kVA DC Titanium Slag Smelting Furnace with Closed Sealed Type for High-Titanium Slag Production
Price:
The price will be negotiated based on the technical requirements and supply scope of Party A
MOQ:
1 unit
Delivery Time:
2 months
Brand:
Shaanxi Chengda
Product Description
Titanium Slag Smelting Furnace Equipment
Titanium Slag Smelting Furnace (also known as Titanium Slag Submerged Arc Furnace) is a specialized industrial electric furnace for smelting ilmenite concentrates into high-titanium slag (raw material for titanium dioxide & titanium sponge) and pig iron by carbothermic reduction at high temperature.
I. Equipment Classification & Structural Features
1. By Power Supply Mode
- AC Titanium Slag Furnace (Three-Phase)
- Standard industrial model, 12,500~36,000 kVA
- Three graphite/Soderberg electrodes, circular/rectangular furnace body
- Mature technology, widely used for acid-soluble & chlorinated slag
- DC Titanium Slag Furnace
- High-efficiency, 9,000~40,000 kW+
- Lower power/electrode consumption (-10~15% power, -40% electrode)
- Better stirring, higher product purity, lower noise
2. By Sealing Level
- Closed Sealed Type
- Fully enclosed, negative/micro-positive pressure
- For high-titanium slag (TiO₂ >90%), CO gas recovery
- Ideal for chlorination process feedstock
- Semi-Closed Type
- Partial hood, open/partially open operation
- For acid-soluble titanium slag (TiO₂ 75~80%)
- Lower investment, simpler maintenance
3. By Furnace Shape
- Circular Furnace (≤40,000 kVA)
- Uniform heating, good stability
- Widely used for medium/small capacity
- Rectangular Furnace (≥40,000 kVA)
- For ultra-large capacity, higher output
- Better for continuous large-scale production
II. Complete Equipment Composition
1. Furnace Body System
- Steel Shell: Cylindrical/rectangular steel structure, water-cooled
- Refractory Lining: High-density magnesia-chrome bricks, corundum refractory
- Furnace Cover: Sealed water-cooled hood with feeding/observation ports
- Tapping System: Iron notch (pig iron) & slag notch (titanium slag)
2. Electromechanical System
- Electrodes:
- Soderberg (self-baking) electrode: φ700~1200 mm
- Graphite electrode: φ600~800 mm (high-purity)
- Electrode Holder: Hydraulic clamping, water-cooled copper contact shoes
- Lifting System: Hydraulic cylinder, auto lift/regulation
- Pressure Feeding: Automatic electrode pressing (15~50 mm/stroke)
3. Power Supply System
- Transformer: Special furnace transformer, on-load voltage regulation
- Primary: 35 kV; Secondary: 110~420 V (multi-stage)
- Capacity: 12,600 kVA, 25,500 kVA, 33,000 kVA, 36,000 kVA
- Short Network: Low-impedance copper busbar/cable, balanced three-phase
- Cooling: Oil-water cooling for transformer; water cooling for electrodes/hood
4. Auxiliary Systems
- Feeding: Auto batching, multi-point charging, continuous feeding
- Flue Gas: Secondary combustion, waste heat recovery, baghouse/alkaline scrubbing
- Cooling: Circulating water system (≥0.3 MPa)
- Control: DCS auto-control (voltage, current, electrode, temperature)
III. Core Technical Parameters (Typical Models)
| Parameter | 12,600 kVA (AC) | 25,500 kVA (AC) | 33,000 kVA (DC) |
|---|---|---|---|
| Transformer Capacity | 12,600 kVA | 25,500 kVA | 33,000 kW |
| Operation Voltage | 150~300 V | 180~360 V | 200~400 V |
| Electrode | 3×φ780 mm | 3×φ1000 mm | 2×φ900 mm |
| Furnace Diameter | φ10.6 m | φ13.8 m | φ15.2 m |
| Melting Temp | 1650~1750℃ | 1700~1800℃ | 1750~1850℃ |
| Daily Output | 80~100 t slag | 180~220 t slag | 250~300 t slag |
| Power Consumption | 2,200~2,400 kWh/t | 2,100~2,300 kWh/t | 1,800~2,100 kWh/t |
| Electrode Consumption | 25~35 kg/t | 20~30 kg/t | 12~20 kg/t |
| Operation Rate | ≥85% | ≥87% | ≥88% |
| Annual Output | 30,000 t/year | 80,000 t/year | 120,000 t/year |
IV. Product (Titanium Slag) Specifications
- Acid-Soluble Titanium Slag:
- Total TiO₂: 75~80%
- FeO: ≤5%, CaO+MgO: ≤1.5%
- For sulfuric acid titanium dioxide
- High-Titanium Slag (Chlorination Grade):
- Total TiO₂: ≥90~92%
- FeO: ≤1.5%, CaO+MgO: ≤0.5%
- For chloride titanium dioxide & titanium sponge
V. Technical Advantages
- High Efficiency: Continuous smelting, auto-control, high operation rate
- Energy Saving: Optimized short network, low consumption, DC furnace superior
- Environmental Protection: Closed gas recovery, flue gas purification, low emission
- High Quality: Uniform composition, low impurity, stable product quality
- Large Capacity: Single unit up to 36,000 kVA, annual output 120,000+ tons
VI. Application Scope
- Smelting ilmenite into high-titanium slag & pig iron
- Raw material for titanium dioxide (sulfate & chloride route)
- Raw material for sponge titanium & titanium alloy production
- Resource utilization of titanium-bearing materials
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Company
Shaanxi CHENGDA Industry Furnace MAKE Co., Ltd.
Location
Room 1201, Greenland Blue Ocean Building, Zhanba Yi Road, Yanta District, Xi'an City, Shaanxi Province, China
Contact Person
Du