... the oven, it has high heat efficiency. Besides, it makes use of forced ventilation; there is adjustable air dividing plate in oven ... in oven, high heat efficiency, energy saving,3.It makes use of forced ventilation, there is adjustable air dividing plate in oven ... efficiency and medium efficiency filter for users. TypeDry areaDry quantityPower of the wind motor(kw) Used steam kg/hWind power m3 ...