RJ2 series of well type tempering furnace structure, the shell are welded by steel plate and steel cylindrical furnace. The furnace cover is made of stainless steelplate. Lining 0.6g/cm3 energy-saving ultra light porous refractory insulating brick masonry. Lining and shell layer is aluminum silicate fiber blanket insulation,insulation powder expansive space filled. Resistance wire 0Cr25Al5 high resistance alloy wire wound into a spiral installed in the furnace of the thread placing brick. Placed in the furnace of stainless steel loading basket. Lid using a manual lever lifting. In order to make uniform heating workpiece, are installed in the lid made of heat-resistant stainless steel shaft and the blower hot air circulating fan, the heating process of the workpiece, the hot air in the tempering furnace upper and lower circulation to ensure uniform heating workpiece. To ensure safe operation in the vicinity   http://www.hsfurnace.com/