The latest research and development of PLC control system, ensure that the control precise and reliable with high efficiency machine, ensures that the heat uniform treatment can be used as drying equipment, but also as a charring heat treatment equipment; as carbonization heat treatment equipment temperature between 160 to 220 DEG C can be unique security system stainless steel, aluminum alloy shell, an extra thick insulation, anti-seepage fabrication and installation is suitable for mass production, high efficiency