Bf220-17nh High-Temperature Atmosphere Bell Furnace Sintering Furnace

3. Technical Specifications and Basic Configuration

• 3.1 Rated Temperature: 1600°C
• 3.2 Maximum Temperature: 1650°C
• 3.3 Effective Size: Φ750×500
• 3.4 Heating Element: Molybdenum heater
• 3.5 Process Atmosphere: Nitrogen/Hydrogen; one nitrogen line, one hydrogen line, with the option to humidify the mixed gas after nitrogen-hydrogen mixing.
• 3.6 Hydrogen Supply Conditions: Hydrogen cannot be supplied if the oxygen content exceeds 20ppm; if the oxygen content exceeds 20ppm during hydrogen supply, the hydrogen supply is automatically cut off.
• 3.7 Humidification Water Temperature: ≤80°C
• 3.8 Dew Point Range: -20 to 60°C
• 3.9 Temperature Control Stability: ±1°C, with PID auto-tuning function.
• 3.10 Temperature Uniformity: Better than ±5°C (tested at 1600°C for 2 hours in an empty furnace).
• 3.11 Temperature Control Thermocouple: Type B
• 3.12 Temperature Control Points: Three independent heating zones from top to bottom, with three independent temperature control points.
• 3.13 Temperature Control Segments: 19×19 segments
• 3.14 Cooling Method: External water cooling, with three water cooling zones: upper, middle, and lower.
• 3.15 Pressure Monitoring: Pressure transmitter for real-time monitoring of furnace pressure.
• 3.16 Pressure Range: 5000~15000Pa
• 3.17 Vacuum Detection: Vacuum gauge for detecting furnace vacuum level, with digital vacuum gauge displaying the vacuum value.
• 3.18 Explosion Protection: Automatic opening of the exhaust valve when furnace pressure exceeds the set value.
• 3.19 Exhaust Chimney: One exhaust port with an ignition device.
• 3.20 Alarm Protection: Alarms for over-temperature, thermocouple break, leakage, heater break, motor overload, low water level in the humidifier, low pressure, low cooling water pressure, and UPS activation, with over-temperature alarm and power-off protection.
• 3.21 Maximum Heating Power: 120kW
• 3.22 Idle Furnace Insulation Power: ≤60kW
• 3.23 Heating Rate: RT~1200ºC ≤5ºC/min, 1200~1600ºC ≤3ºC/min
• 3.24 Surface Temperature Rise: <35ºC
• 3.25 Equipment Weight: Approximately 3500Kg
• 3.26 External Reference Dimensions: 2240×2900×3000mm (W×H×D, excluding control cabinet), subject to final product specifications.
• 3.27 Exterior Color: Light gray

5.Normal Operating Conditions

• 5.2.1 Environmental Conditions: Temperature 0~40ºC, humidity ≤80% RH, no corrosive gases, no strong air turbulence.
• 5.2.2 Nitrogen Conditions: Nitrogen, purity 99.999%, source pressure 0.2~0.4Mpa, consumption 4~12m³/h.
• 5.2.3 Hydrogen Conditions: Source pressure 0.2~0.4Mpa, consumption 4~12m³/h.
• 5.2.4 Power Gas Source Conditions: Clean, dry, oil-free compressed air, pressure 0.4~0.8Mpa.
• 5.2.5 Water Supply Conditions: 0.1~0.3Mpa, clean, non-corrosive, supply flow rate approximately 50L/min.
• 5.2.6 Ventilation System: Non-contact connection to the user's exhaust system, exhaust capacity greater than 15m³/h.
• 5.2.7 Floor Requirements: Level, no significant vibration, load-bearing capacity >500Kg/m².
• 5.2.8 Power Conditions: Capacity greater than 160kVA, 3-phase 5-wire, voltage 220/380V, frequency 50Hz. Live wires: yellow, green, red; neutral wire: blue; ground wire: yellow-green.
• 5.2.9 Installation Site: 4500mm×3500mm×4000mm (W×H×D), installation area greater than 18m².

1. Environmental Conditions: temperature: 0~40ºC, humidity≤ 80%RH, no corrosive gas, no strong airflow disturbance;
2. Atmosphere Conditions: dry, clean, oil-free compressed air, working pressure of 0.4-  0.8MPa, gas consumption of 30 - 90 m³/h;
3. Ventilation System: non-contact access to the user pumping system, pumping capacity is greater than 100 m³/h
4. Ground Requirements: horizontal, no obvious vibration, load-bearing> 600 Kg/m²;
5. Power Condition(TBD): capacity > 240kVA, 3-phases 5-lines, voltage 220 / 380V, frequency 50Hz. Fire line: yellow, green, red, Zero line: blue, Ground line: yellow-green;
6. Installation Site: 4000mm×4000mm×5000mm(D×W×H), with an installation area greater than 20m².

1.What products does Chitherm offer?
We provide customers with high-quality bell furnaces, hot air furnaces, box furnaces, tube furnaces, vacuum furnaces, car bottom furnaces, rotary kilns, mesh belt furnaces, and pusher furnaces.
2.What pre-sales services does Chitherm provide?
We offer timely consultation services to help customers select the most suitable products, along with highly customizable solutions to meet your specific requirements.
3.What are Chitherm's core strengths?
As a high-tech enterprise integrating R&D, manufacturing, and sales, Chitherm possesses patented technologies and core resources to deliver superior solutions.