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本文讨论了直接加热器在糖厂使用对糖厂热力经济的影响，介绍了直接加热过程蒸汽消耗的数量分析方法和计算公式。
In this paper the effect of using direct heater on heat economy of sugar factories is discussed, also the quantity analysis method and calculation equations for vapor consumption are introduced.
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