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【正文】 .............................................................7 ....................................................................................................................7 ........................................................................................................8 ....................................................................................................................8................................................................................8 換熱器核算...............................................................................................................9..............................................................................................9..............................................................................................9........................................................................................10............................................................................................................11....................................................................................................11六、換熱器主要結(jié)構(gòu)尺寸和計(jì)算結(jié)果...........................................................................11七、參考文獻(xiàn).....................................................................................................................13 一 設(shè)計(jì)條件 1 每小時(shí)66900 kg的糖汁從90℃加熱至120℃。糖汁的濃度為16％， kJ/kg?℃。 2 加熱蒸汽用鍋爐房送出的飽和蒸汽，其壓力為P= kgf/cm2。 3 列管用Φ33，長(zhǎng)3m, m。 4 設(shè)計(jì)壓力： kgf/cm2。 5 流程安排：從
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