The HTF4572-0611NH type four-tube annealing furnace is designed for annealing metal wires at temperatures up to 1100°C. It features advanced temperature control technology for precise regulation and a carefully engineered furnace body design for optimal temperature uniformity.

• Rated temperature: 1100°C
• Maximum temperature: 1150°C
• Furnace tube size: Φ45 (OD) mm × 5mm × 7200mm (L) × 4, 310S material
• Heating zone length: 6000mm
• Number of temperature zones: 6
• Temperature control accuracy: ±1°C
• Temperature control method: Each zone uses Japanese Yamatake controllers with adjustable heating rate
• Heating method: Silicon carbide rods for upper and lower heating
• Furnace atmosphere: Nitrogen-hydrogen mixed
• Cooling method: Water cooling

• Design power: 90kW
• Insulation power: ≤45kW
• Power supply: 380V±10%, 50Hz, 3-phase 5-wire

• Control method: Imported single-loop intelligent temperature controller with PID self-tuning
• 3 sets of far-infrared FEC heaters for uniform heating
• Alarm protection for thermocouple break, overtemperature, low air/water pressure
• Surface temperature rise: ≤35°C

• Transition cooling zone: 1, length ~7200mm (water cooled)
• Constant temperature zone: 6, length ~6000mm (RT~1100°C)

Working atmosphere: High-purity nitrogen or ammonia decomposition gas (inlet pressure 0.1~0.3Mpa, flow rate 3~6m³/h). Controlled via 4 paths with glass rotor flow meters.

Water transition cooling system for rapid workpiece and furnace mouth temperature reduction. Includes industrial water chiller.

• Input power: 380V±10%, 50Hz, 3-phase 5-wire
• Weight: ~4500kg
• Ground load-bearing: 500kg/m²
• Environment: Indoor, flat ground, no corrosive gases/vibration
• Ambient temperature: 0~40°C, humidity: 10%~85%RH
• Ventilation requirements: Good airflow around furnace, ambient ≤50°C