coke reactivity test furnace / pit / electric resistance / controlled atmosphere

Ruhstrat's electrically heated pit furnace features a retort and tumbler drum. It is used for the examination of the coke reactivity and resistance according to ISO/DIS 18894. The pit furnace is designed as a vertical tube furnace. The retort is hung into the furnace and inserted. It then removed by means of the lifting device with a rope winch. A temperature-resistant steel-tube with a diameter of approximately 30 mm is placed at the bottom of the furnace. It is closed at its end part, while a continuously lockable opening is found on its side.

The model features a rated temperature of 1,150 ?C. Its heating process is facilitated by heating elements on fiber ceramic modules. The heating chamber's atmosphere is composed of air with no aggressive or corrosive vapors.