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海寧三效蒸發(fā)器

1、蒸發(fā)操作的特點(diǎn)··················································3。四、加熱蒸汽消耗量和各效蒸發(fā)水量的計(jì)算·······························8。

2、四、蒸發(fā)設(shè)備························································3。五、估計(jì)各效蒸發(fā)量和完成液濃度······································5。二、設(shè)計(jì)任務(wù)及操作條件···············································4。第三節(jié)三效蒸發(fā)器得工藝計(jì)算·················································5。

3、一、有效溫差的再分配················································10。六、計(jì)算結(jié)果·························································12。第四節(jié)蒸發(fā)器的主要結(jié)構(gòu)尺寸計(jì)算。一、化工原理課程設(shè)計(jì)。

4、–––––三效蒸發(fā)器的設(shè)計(jì)。南通大學(xué)化學(xué)化工學(xué)院。符號(hào)說明·····································································2。

5、第一節(jié)概述·································································3。一、蒸發(fā)及蒸發(fā)流程··················································3。二、加熱室直徑及加熱管數(shù)目的確定·····································13、估計(jì)各效溶液的沸點(diǎn)和有效總溫差··································6。一，各效由于溶液的蒸汽壓下降所引起的溫度差損失/···············7。

設(shè)計(jì)三效蒸發(fā)器

1、二，各效由于溶液靜壓強(qiáng)所因引起的溫度差損失···················7。三，流體阻力產(chǎn)生壓降所引起的溫度差損失······················8。

2、四，各效料夜的溫度和有效總溫差·································8。三、重復(fù)上述計(jì)算步驟·············································10。一，計(jì)算各效溶液濃度··········································10。二，計(jì)算各效溶液沸點(diǎn)···········································10。

3、三，各效焓衡算·················································11。四，蒸發(fā)器傳熱面積的計(jì)算·······································12。

4、七、蒸發(fā)器選型························································4。第二節(jié)蒸發(fā)裝置設(shè)計(jì)任務(wù)····················································4。一、加熱管的選擇和管數(shù)的初步估計(jì)·····································12。二、循環(huán)管的選擇·····················································13。

5、三、設(shè)計(jì)題目······················································4。二、蒸發(fā)器的傳熱面積的估算··········································9。五、蒸發(fā)操作的分類··················································3。