Features

• High cleanliness inside the furnace
• Prevent Hydrogen explosion by circulating inert gas in the insulation layer between the tube and the chamber If the furnace tube breaks while using hydrogen, the gas will escape into the interlayer 
• Simultaneously process 6 samples at different temperatures
• High-purity alumina fiber chamber with alumina-coated surface to enhance heating efficiency and extend the chamber’s service life
• Dual-layer shell structure with an air-cooling system to keep the outer surface temperature from overheating
• Optional pressure sensors and electromagnetic pressure relief valves for automatic pressure regulation and overpressure relief to ensure greater safety

Power

• Power Supply: AC three-phase 380V 50/60Hz
• Maximum Power: 48KW

Heating Parameters

• Continuous Working Temperature: 1100℃
• Maximum Temperature: 1200℃ (≤30 min)
• Thermocouple: Type K
• Heating Zone Length: 700mm
• Heating Rate: ≤10℃/min
• Heating Element: Molybdenum iron-chromium aluminum

Temperature Control

• Temperature control module + PC control (via temperature control software)
• Six independent temperature controls, with the ability to control all six channels simultaneously with one button or each individual channels separately
• Includes an 858P temperature controller
• Temperature Control Accuracy: ±1℃ (or optional European controllers with temperature accuracy of ±01℃)
• PID automatic temperature control system
• Intelligent 50-segment programmable control
• Default DB9 PC communication port

Sealed Flange System

• Six sets of 304 stainless steel water-cooled flanges 
• Sealing: O-ring
• The front flange has a KF60 clamp for easy sample loading and unloading, equipped with a mechanical pressure gauge, shut-off valve, and G1/4 gas inlet
• The rear flange has a KF25 evacuation port, gas outlet, and shut-off valve
• Each channel has an independent gas inlet and outlet, allowing for vacuum and atmosphere sintering preparation

Gas Supply System

• Comes with 6 independent gas inlets, flow adjusted by 6 float flowmeters (40-400ml/min)
• Optional mass flow controller gas supply system for more precise flow control

Control System

• Temperature profiles for heating, dwelling, and cooling can be set via PC
• Chamber pressure, vacuum level, and temperature can be displayed in real-time on the PC
• Software control automatic purging mode: the vacuum pump and gas supply system switch automatically with a set number of purging cycles
• Software control constant pressure sintering mode: the control system automatically adjusts gas flow to maintain a slightly positive pressure (100000pa-115000pa)
• Experimental data can be saved, recorded, downloaded
• Procedures can be saved as receipts for future usage

Overpressure Protection

• Standard mechanical overpressure relief valve set to open at 0.04 MPa
• Optional electronic pressure transmitter to set exhaust pressure; if exceeded, the exhaust valve opens to accelerate gas release
• Optional gas alarm to automatically cut off the gas source if high gas concentrations are detected

Tubes

• High-purity quartz tube sizes:
• 25 OD x 19 ID x 1200 L (mm)
• 50 OD x 44 ID x 1200 L (mm)
• 60 OD x 55 ID x 1200 L (mm)
• For higher working temperatures, nickel-based alloy tubes can be used, with temperatures reaching 1200℃
• Zirconium alloy tubes are also available, resistant to alkaline corrosion, suitable for long-term use at 800℃

Combustible Gas Treatment Device
(Optional)

Suitable for treating samples in a hydrogen environment:

• Compatible with multiple combustible gases
• Compact, easy to install, and simple to operate
• Includes a current transformer that cuts off gas flow if the resistance wire is not heating
• Power: AC single-phase 220V 50/60Hz
• Power: 200W
• Two gas inlets: inert gas inlet (for gas source) and hydrogen gas inlet (for gas source), both G1/4 double ferrule connections

Optional high-flow version with customizable inlet and outlet numbers

• Gas source connection via float flowmeter (range 01-1L/min) and G1/4 double ferrule connection
• Combustible gas output from the furnace connects to the device’s combustible gas inlet (G1/4 double ferrule connection)
• Ignition Device: Resistance wire with aluminum oxide coating to slow oxidation, equipped with a current transformer to detect heating
• Ignition fault triggers automatic cut-off of gas flow and furnace contactor (interface reserved for simple furnace modification)

Optional hydrogen concentration alarm to automatically cut off gas and ignition if a high concentration is detected (interface reserved for alarm installation)

Hydrogen Detector (Optional)

• Option 1, fixed, mounted on a bracket for real-time leakage monitoring,
• Option 2, portable for on-site inspection of various interfaces
• Hydrogen detection range: 1-1000ppm
• Operating Temperature: -20℃ to 60℃

• Two Level Alarm Settings:

1. alarm at 50ppm with a buzzer
2. alarm at 100ppm triggers automatic shut-off of the hydrogen inlet valve

Vacuum System (Optional)

• Standard mechanical pump, three-phase VRD-36, vacuum level up to 10^-2 Torr
• Optional molecular pump, vacuum level up to 10^-5 Torr

 Water Chiller (Optional)

• Model: EQ-KJ6300
• Cooling Capacity: 26826 Btu/h
• Water Tank Capacity: 40L
• Inlet/Outlet: Rp1"
• Maximum Water Flow Rate: 75L/min

Dimensions

• Furnace Body: 1875 x 1800 x 1400 mm

• Electrical Cabinet: 750 x 600 x 680 mm

Weight

• Approximate Weight: 950 KG

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