化工原理課程設(shè)計(jì)管殼式換熱器選型-文庫吧
2024-10-17 00:07 本頁面
【正文】 ..............................6 計(jì)算熱負(fù)荷 Q 和 2mq ......................................................................................................6 計(jì)算溫差和估計(jì)傳熱系數(shù) ..............................................................................................6 估算換熱面積 ..................................................................................................................7 計(jì)算管程壓降和給熱系數(shù) ..............................................................................................7 計(jì)算殼程壓降和給熱系數(shù) ..............................................................................................8 計(jì)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(jì)算 .........................................................................................................................10 六 附錄 ............................................................................................................................. ...........12 七 符號說明 ................................................................................................................................13 八 設(shè)計(jì)說明 ............................................................................................................................. ...15 九 參考文獻(xiàn) ................................................................................................................................15 3 四、計(jì)算結(jié)果明細(xì)表 （ 1） 管殼式換熱器的規(guī)格 公稱直徑 DN/mm 公稱壓力 PN/ MPa 管程數(shù) N 管子根數(shù) n 中心排 管數(shù) TN 管程流通面
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