Mexh belt conveyor blackening furnace It is a continuous operation furnace for PM industry, mainly utilized forvapor heat treatment of PM components. It includes a furnace body, a belt transmission system, temperature control system and a vapor boiler. Furnace body includes load sector, preheat sector, black coating sector, cooling sector and unload sector. Belt transmission system includes heat resistant belt and transmission device. Belt speed is regulated by a frequency transformer with digital visual belt speed detector. Temperature control system includes thermocouples, intellectual digital PID adjustor and SCR to realize precise and automatic temperature control. Main specifications and accessories Model WFH300/70-4 WFH400/100-4 Rated power (Kw) 96 120 Width of mesh belt (mm) 300 400 Voltage (V) 380 380 Phase 3 3 Number of heating zones 4 zones 4 zones Mesh belt speed (mm/min) 20 120 20 120 Highest operation temperature () 700 700 Temperature uniformity () ±5 ±5 Muffle effective cross section dimension (mm) 330×70 430×100 Muffle length (mm) L1=2400 L2=4750 L1=2600 L2=5150 Production capacity (kg/h) 50 80 100 150 Temperature control mode PID, SCR control PID, SCR control Overall dimension (mm) (W×H×L) 1200×1600×12500 1300×1650×14000 L1=Pre-sinter sector L2=Blackening sector Note: Production capacity is calculate with 45# steel