High-Temperature Vertical Tube Furnace

• Operating Temperature: 1200℃
• Max Working Temperature: 1250℃
• Long-Term Working Temp: 1200℃
• Control Accuracy: ±1℃
• Uniformity: ±1℃ (adjustable via multi-zone control for higher precision)
• Voltage: AC 220V/380V
• Heating Elements: Silicon carbide rods (horizontally mounted around tube)
• Heating Rate: Adjustable (1℃/h to 40℃/min)
• Furnace Tube Materials: Stainless steel / Quartz glass / Alumina tube
• Refractory Lining: High-purity alumina fiberboard
• Cooling System: Double-walled casing with air cooling
• Surface Temperature: ≤45℃
• Thermocouple: K-type (NiCr-NiSi), Range: 0-1350℃
• Programming: 50 segments (Group 1), 22 segments (Group 2), 8 segments (Group 3)
• Computer Interfaces: RS485, RS232, USB
• Warranty: 1 year (excludes heating elements & tubes; element replacement within 3 months if defective)
• Included Accessories:Heating elements (x2), fixtures (x2)Manual, certificate, door insulation brickCrucible tongs, high-temp gloves, dedicated crucible ( x1), seals (x2)

Gas Control Cabinet Specifications

• Gas Inlet System Gas Types: 2 standard (expandable to 1-10 types)
• Gas Mixing: Adjustable via individual flow meters
• Valves: Imported stainless steel valves (options: standard, SS, or solenoid valves)
• Flow Meters: Two 0-300 mL/min (optional: mass flow meters, float-type flow meters, etc.)
• Pressure Monitoring: Dual-range gauge (positive/negative pressure) (optional: digital vacuum gauge)
• Vacuum Pump: Dual-stage rotary vane pump (2 L/min pumping speed)
• Gas Lines: Dedicated PV tubing (optional: clean stainless steel piping for high-purity gases)
  Overpressure ProtectionPrevents hazards from blocked exhaust or excessive pressure
• Mechanism:Pressure switch/sensor triggers control moduleCloses inlet solenoid valve, opens exhaust valve, and activates alarmEnsures safe furnace shutdownGas Leak Detection & AlarmMonitors for toxic/hazardous gas leaks in workspace
  Response Protocol:Automatic furnace shutdownCuts off gas supplyActivates exhaust ventilationEnsures safe lab environment

Additional Equipment

• Lift door：Pneumatic door opening, controlled by foot pedal, with hot surface facing away from the operator.
• Touchscreen: Multilingual menu, multiple temperature rise process curve storage, historical curve storage, and data reports (7 inches).
• Computer Control: Controls furnace start, pause, stop, stores historical curves, sets temperature rise curves, reads temperature rise curves, sets parameters, etc.
• Siemens PLC Control: Real-time data reading with open ports for data communication with upstream and downstream equipment.
• Manual or automatic gas supply system
• Observation Window: Designed on the furnace door with high-temperature-resistant quartz glass.
• Movable Casters: Two swivel casters and two fixed casters.
• Rapid Cooling: Achieved with a frequency inverter and centrifugal fan for programmable cooling control.
• Quick Discharge Rack: The material rack is made of high-temperature steel, with wear-resistant heavy-duty refractory bricks on the top, enabling rapid
• transfer of materials from the furnace to an external platform in high-temperature environments.
• Multi-Point Temperature Control: Independent temperature control on multiple sides for improved temperature uniformity.
• High temperature furnace chamber with multi-sided heating for very good temperature uniformity.
• Stirring Fan: Metal stirring fan, can be linked with PLC to automatically start at designated temperature segments.
• Independent Control Cabinet: Separate control cabinet with an extended control cable length (up to 5 meters).
• Heat Storage Furnace Bottom: The furnace bottom sinks 50mm with a hollow design, supported by multiple vertical columns, increasing Ceramic Load-Bearing Plate and ensuring uniform heat distribution at the bottom.
• Exhaust Gas Treatment: Adds VOC exhaust gas treatment furnace with a capacity of 40m³,H or 80m³,H.
• Corrosion-Resistant Furnace Lining: Furnace lining material resistant to acids, alkalis, and hydrofluoric acid corrosion.
• Heating Element Protection: Prevents contamination from powder and corrosion from volatile substances and scratch.
• Clean Furnace Lining: Furnace lining made of ceramics, high-temperature glass, and high-temperature metals to prevent dust and volatile substances.
• Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load
• Customizable charging racks according to requirements, for loading the furnace in two levels.