Retort Furnace

Retort Furnace
Model:  NRA 25/09
Origin: Germany

Basic version
•Compact housing in frame design with removable stainless steel sheets
•Controls and gas supply integrated in the furnace housing
•Welded charging supports in the retort or air-baffle box in the furnace with atmosphere circulation
•Swivel door hinged on right side with open cooling water system
•Depending on furnace volume for 950 °C- and 1100 °C-version the control system is divided in one or more heating zones
•Temperature control as furnace control with temperature measurement outside the retort
•Gas supply system for one non-flammable protective or reaction gas with flow meter and manual valve
•Port for vacuum pump for cold evacuation
•Operation under vacuum up to 600 °C with optional single-stage rotary vane pump
•Defined application within the constraints of the operating instructions
•NTLog Basic for Nabertherm controller: recording of process data with USB-flash drive

Additional equipment
•Upgrade for other nonflammable gases
•Automatic gas injection, including MFC flow controller for alternating volume flow, controlled with process control H3700, H1700
•Vacuum pump for evacuating of the retort up to 600 °C, attainable vacuum up to 10-5 mbar subject to selected pump
•Cooling system for shortening process times
•Heat exchanger with closed-loop cooling water circuit for door cooling
•Measuring device for residual oxygen content
•Door heating
•Temperature control as charge control with temperature measurement inside and outside the retort
•Gas inlet with solenoid valve, controlled by the program
•Process control and documentation via VCD software package or Nabertherm Control Center (NCC) for monitoring, documentation and control