化工原理課程設(shè)計管殼式換熱器選型(存儲版)
【正文】 ..............4 1 管殼式換熱器規(guī)格 .............................................................................................................4 2 離心泵的型號規(guī)格 .............................................................................................................4 3 計算數(shù)據(jù)結(jié)果記錄 .............................................................................................................5 五 計算過程 .................................................................................................................................6 1 選擇合適的換熱器 .............................................................................................................6 熱力學(xué)數(shù)據(jù)的獲取 ..........................................................................................................6 計算熱負荷 Q 和 2mq ......................................................................................................6 計算溫差和估計傳熱系數(shù) ..............................................................................................6 估算換熱面積 ..................................................................................................................7 計算管程壓降和給熱系數(shù) ..............................................................................................7 計算殼程壓降和給熱系數(shù) ..............................................................................................8 計算傳熱系數(shù) ..................................................................................................................9 校核傳熱面積 .................................................................................................................9 2 安排管路和選擇合適的離心泵 ........................................................................................9 管徑初選 .........................................................................................................................9 壓頭計算 ..................................................................................................
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