| 摘要 |
<p>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 sprayer (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.</p> |
