900℃ Continuous Wire Annealing Tube Furnace – Stable, Uniform, Efficient
Overview
The GWDL-900GA-14 Continuous Annealing Tube Furnace is specially designed for metal wire annealing (Φ2–4 mm) in continuous production lines.
It ensures stable temperature control, uniform annealing effect, and customizable atmosphere protection, making it suitable for high-demand industries such as automotive, aerospace, fastener, and metal forming.
Key Features & Advantages
- Continuous Processing: Supports Φ2–4 mm wire, with production capacity 200–300 kg/h, ensuring stable large-batch annealing.
- Wide Temperature Range: Working range 400–850℃, with max. temperature 1000℃, covering different wire annealing requirements.
- High Precision Control: 3-zone PID temperature control, accuracy ±2℃, ensures consistent annealing quality.
- Durable Tube Materials: Heating zone with 310S stainless steel tubes, cooling zone with SUS304 tubes, both resistant to oxidation and thermal stress.
- Customizable Atmosphere: Each tube with independent gas inlet, supporting protective or reducing atmosphere to prevent oxidation.
- Efficient Cooling: Dedicated 10 m stainless steel water cooling box ensures uniform cooling and prevents deformation.
- PLC + HMI Control: User-friendly interface with programmable recipes, real-time monitoring, history data storage, and multiple alarm functions.
- Energy Saving & Safety: Multi-layer alumina fiber insulation, furnace shell temperature ≤ ambient +35℃, reducing energy loss and ensuring operator safety.
Technical Specifications
- Wire Diameter: Φ2–4 mm
- Production Capacity: 200–300 kg/h
- Power Supply: 3P-380V, 50Hz
- Rated Power: 150 KW ±5% (adjustable)
- Max Temperature: 1000℃
- Working Temperature: 400–850℃ (adjustable)
- Temperature Zones: 3 zones
- Temperature Accuracy: ±2℃
- Control System: PLC + HMI, SCR phase-shift trigger, PID control
- Heating Tubes: 14 pcs, 310S stainless steel, Φ25×3.0 mm, 8.5 m
- Cooling Tubes: 14 pcs, SUS304 stainless steel, Φ25×3.0 mm, 8.5 m
- Heating Furnace Size: approx. 8000 × 1700 × 1400 mm (L×W×H)
- Cooling Box Size: approx. 10000 × 800 × 350 mm (L×W×H)
- Line Speed: Φ2 mm wire: 10–15 m/min; Φ4 mm wire: 2–3 m/min
Structure Description
- Heating Furnace: Welded steel shell with alumina fiber lining (≥350 mm), flat resistance band heating elements.
- Cooling Section: Circulating water-cooled stainless steel tubes, ensuring smooth cooling process.
- Tube Layout: Single-layer arrangement, each tube with independent gas supply.
- Control Cabinet: GGD cabinet with PLC, touch screen, power controller, forced air cooling, PID self-tuning, and SCR continuous power regulation.
Applications
- Continuous annealing of stainless steel wire, carbon steel wire, alloy wire, fastener wire rod.
- Suitable for metal forming, heat treatment, spring wire, aerospace & automotive wire processing.
- Can be integrated into automated wire drawing & annealing production lines.
