TUBE FURNACE

Equipment Name/Type: High-temperature experimental furnace / Sintering furnace
Core Parameters:

• Temperature: Long-term operating temperature ≤1050°C, temperature control accuracy ±1°C

• Voltage & Power: 380V / 45 (unit assumed to be kW)

• Furnace Tube Material & Dimensions: 310S stainless steel special-shaped tube, middle section Φ500×2500mm (with material turning plates), both ends Φ159×350mm

Control System & Protection:

• Temperature Control System: 7-inch touchscreen centralized control, supports 50-segment program temperature control, can store 15 sintering curves

• Core Controller: Siemens PLC

• Power Regulation: Integrated power regulator (four IGBTs), supports constant voltage, constant power, etc.

• Protection Features: Dual-loop control and protection, includes over-shoot, over-regulation, ramp-up, phase loss, over-voltage, over-current, over-temperature, current feedback, soft start, etc.

Structure & Function:

• Discharge Method: Tilting and rotating furnace tube discharge (tilt angle 0-10°, rotation speed 0-5r/min)

• Atmosphere Control: Supports nitrogen, carbon dioxide, water vapor, oxygen content, etc., equipped with flow meters

• Water Vapor Evaporator: Controllable flow rate 5-50g/min, 316L stainless steel piping with insulation and heating

• Pressure Display: Digital pressure indicator

• Sealing Structure: Flange sealing at both ends + rotary joint + inlet/outlet valves + safety valve

Heating & Insulation:

• Heating Elements: High-temperature alloy resistance wires (Beijing Shougang HER)

• Refractory Material: High-purity alumina fiber vacuum-formed boards, furnace mouth/bottom uses lightweight hollow spherical alumina boards

• Insulation Material: Three-layer insulation (alumina fiber cotton, alumina fiber board, alumina polycrystalline fiber board), energy-saving effect >80% compared to traditional furnaces

• Shell Temperature: Long-term use ≤45°C

Temperature Sensor: Nickel-chromium armored thermocouple, range 0-1350°C
Temperature Control Zones: Three independent temperature control zones, ensuring uniform furnace temperature
Heating Rate: Adjustable from 1°C/h to 15°C/min