Quartz Dehydroxyl Vacuum Furnace

   We manufacture various kinds of furnaces. Amongst them welding furnaces; dehydroxyl furnaces; dewaxing furnaces; sintering furnaces and hydrogen gas protecting furnaces.

Dehydroxyl furnace

Features and Benefits

Tested, efficient and safe furnace designs based on our long-term experience:

Stainless steel hot zone ring assembly

Bright oxide-free surface finishes for the vacuum trace

High productivity by using working space to a maximum, and shorter cycles by using rapid cooling systems and a post cooler heat exchanger

Regulable heating process

Excellent manipulating performance

High Ultimate Vacuum Level of better than lX10~3mbar/hr

Repeatability performances

Inner and outer cooling are optional

Optional loading cart according customers request

Cost-effective and high performance

Re-design according customers request

Applications

Quartz pipe dehydroxyl processing

Horizontal Quartz Vacuum Furnace

Loading

Hot Zone

SPECIFICATIONS

Hot Zone:

Free Work Area  800Wx800Hx3300D(mm) (Optional Parameters)

Operating Temperature  1050°C (Optional Parameters)

Maximum Temperature  1150 С

Temperature Uniformity  < + 5°C(1100°C Keeping 1 Hour)

WorkCapacity 400Kg

Heating Elements   Molybdenum Flat bars

Hearth Assembly   Molybdenum and stainless steel

Vacuum pumping system:

Mechanical Roughing Pump  2X252m /hr

Booster Pump  2x28800 m³/hr

Diffusion Pump 2x47000 liter/s

System Operating Vacuum 5x10 mbar

Ultimate Vacuum  1x10^-5mbar

Ultimate Vacuum Level  6x10^-4 mbar/hr

Instrumentation:

Programmer Logical Controller   OMRON

Temperature Controller      YOKOGAWA

Furnace Recorder   YOKOGAWA

Vacuum Instrument   VARIAN or LEYBOLD

Power supply:

HotZone Power   480Kw

HeatingRate    10°C/m — 35°C/m(Un-loading)

CoolingRate   < 7 hours (From 1000°C to 100°C FullLoad)

Utilities:

Power Supply    380V+5%    3-phase    50-60HZ

Water    8m³,36 - 60PSIG; Inlet 2 Inches; Outlet 3 Inches

Inert Gas   1,5 m³ per cycle (Nitrogen or Argon)

Compressed Air   0,5 m³ per cycle 60 - 85PSIG