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EXTRUSION PROCESSING OF HIGH MEAT QUANTITY FEEDS USING PRECONDITIONER WITH HOT AIR INPUT
EXTRUSION PROCESSING OF HIGH MEAT QUANTITY FEEDS USING PRECONDITIONER WITH HOT AIR INPUT
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机译:使用带有热风输入的预处理器对高品质饲料进行挤压加工
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摘要
The present invention is directed to improved preconditioners (12) especially useful for the production of high meat-content pet foods. The preconditioners (12) include an elongated housing (16) with one or more elongated, axially rotatable mixing shafts (18, 20) therein, each having a plurality of outwardly extending mixing elements (42, 44). The preconditioner ( 12) is provided with apparatus (56) for directing relatively large quantities of heated non-steam gas into the preconditioner (12) in lieu of most or all of the steam normally used with preconditioners. This serves to heat material passing through the preconditioner (12) without the addition of substantial moisture.
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