DRYING AND PROCESSING OF RAW FOOD MATERIAL

摘要

A combined spray and rotary drying apparatus (10) includes a spray dryer (12 ) having a housing defining a spray drying chamber (28), an annular inlet and an outlet (50). A burner (30) and atomizer spraye r (32) are provided in the spray drying chamber (28). The outlet (50) of the spray drying chamber (28) feeds into a rotary drying drum (54). A raw material feed chute (56) is also provided for feeding raw material of relatively low moisture content directly to the rotary dryer . Methods of drying a raw material and of processing raw animal parts are also disclosed.