MTI CORPORATION, USA


1650°C Max. High Temperature Hydrogen Atmosphere Box Furnace, (8x8x8", 8L) - KSL-1700X-H2
   

      Product Introduction

      KSL1700X-H2 is CE certified box furnace designed for material synthesis under dry hydrogen up to 1650 °C.
      The furnace consists of high-quality alumina fiber bricks and Mo alloy heating elements with a heating chamber
      of 8"x 8"x8", as well as a vacuum-sealed steel case with water cooling jacket and automatic H2 burning system.
      It is an ideal tool for preparing new materials which require reducing atmosphere, such as phosphorous and Ti alloy.

      Specifications :

      Furnace structure
  • Double-layer stainless steel structure for maximum vacuum and safety.
  • Water cooling front door and air cooling shell
  • Built-in pressure gauge, vacuum valves, and two gas float meters
  • Built-in H2 burning control system if the controller detects no flame in the burner, the gas
    delivery valve will be shut down automatically
      Please mouseOver the picture
                 
      Inside Chamber Size
  • Heated chamber: 200x 200x 200 mm (8x8x8 inch), 8 Liter
  • Energy-saving 1800 grade fibrous alumina insulation
  • High purity Al2O3 coating
      Power
  • 7.5 KW
      Voltage
  • AC 208 - 240V single phase (50/ 60 Hz)
      Current
  • 30 Amp (50 Amp air breaker is required)
      Temperature
  • Continuous 1600°C
  • Max. 1650°C(<60min)
      Heating Rate
  • 5°C / min
      Temperature Accuracy
  • +/- 1°C
      Thermocouple
  • two B type thermocouples (control thermocouple and secondary alarm thermocouple)
      Temperature controller
        
  • Main Temperature Controller is used for controlling the 30-segment heating program and provides the 1-
    level temperature alarm protection.
  • Secondary Temperature Controller reads the temperature from the secondary B type thermocouple,
    monitors the temperature during all process and provides the 2-level temperature alarm protection.
      Pressure Control
  • The pressure sensor and pressure controller are installed. It reads the chamber pressure and
    controls the inlet and outlet gas valves respectively according to the pressure limit settings
  • The pressure control can be used to perform the following functions:
    • Purging
    • Pressure control
    • High and Low-pressure protection
  • The pressure controllable range: -0.06 to 0.03Mpa.
      Heating Elements
  • 6 sets of Mo coils heating elements are built-in and replaceable
  • The heating element of Mo coil is consumable parts which should be ordered separately if extra is
    required. ( order pictured below left to order spare )
  • The heating element can be replaced by MsSi2 to run furnace under oxygen and air up to 1700°C
    (order picture below right to order spare)
                 
      Temperature Control
  • temperature controller is included
  • Proportional integral derivative control (PID control) and auto-tune function
  • 30 segments programmed with ramping, cooling and dwelling steps
  • Built-in over-temperature alarm and thermocouple failure alarm
  • +/- 1°C temperature control accuracy
  • Default DB9 PC communication port

    •         
      Gas Flow Control and Vacuum Valve
  • Two large flow meters (N2: 0~3.5L/min, H2: 0~3.5L/min) are installed on the front panel of the furnace.
  • One for purging Inert gas prior to introducing H2 gas
  • One for controlling H2 gas flow
  • One heavy-duty vacuum pump ( CE certified ) built-in bottom furnace. You may choose a UL
    certified pump at extra cost ( Pls click picture below to see specs)
      H2 Gas Burning Control System and Option Hydrogen detector
        
  • An ignition device already installed to incinerate flowing gas and detect burner temperature to
    ensure H2 burner is in working condition. If H2 does not burn properly, the controller will shut down
    the H2 gas delivery valve immediately.
      
  • A 58L/min recirculating water chiller is installed for cooling furnace sealing flange.
      Net Weight
  • 300Kg

      Click on the images below:

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      Overall Dimensions
  • 1200mmL x 850mmW x 1520mmH ( without burner ) and 2020 H ( with burner )
      Application Note
  • Please EXERCISE EXTREME CAUTION. H2 gas is highly flammable and explosive. H2 ignites at
    a temperature of 400°C, an explosion could occur when the hydrogen content reaches 4.0%-74.
    2% in the air, please strictly follow the rules below to for safe operation.
  • Inert gas MUST be used to purge the furnace chamber to eliminate all the air before introducing the H2 gas.
  • The pressure inside the chamber should ALWAYS be controlled at around 0.01Mpa above during
    the entire heating process, otherwise, the oxygen in the air may backflow into the furnace chamber
    and cause the explosion in the worst-case scenario.
  • Pressure over 0.02Mpa (Relative Pressure) is strictly prohibited.
  • ALWAYS place the furnace in a room with a fume hood and a hydrogen detector installed.
  • Good ventilation is necessary for the room in which place the furnace
  • Exhausting Hydrogen gas in the room is forbidden.
  • For preserving the longevity of the furnace components, we recommend the heating rate not to exceed 10°C /min.
  • Small cracks may appear on the surface of the refractory ceramics over extended use. This is a normal occurrence and the cracks may be repaired with alumina coating.
  • The refractory block must be inserted before the closing door.

 

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