【正文】 .......................................................................................... 6 3輸油工藝 ....................................................................................................................... 7 主要工藝參數 ..................................................................................................... 7 主要工藝技術 ..................................................................................................... 7 4工藝計算 ....................................................................................................................... 8 ......................................................................................................... 8 [1] ........................................................................................ 8 [1] ........................................................................................ 8 [1] ............................................................................................... 9 管徑規(guī)格選擇 ..................................................................................................... 9 選擇管徑 ................................................................................................. 9 選擇管道壁厚 [2] ..................................................................................... 10 熱力計算（方案一） ........................................................................................ 11 ........................................................................... 11 總傳熱系數 K的確定 [1] ........................................................................... 11 .................................................................................. 13 [1] ...................................................................................... 15 水力計算（方案一） ........................................................................................ 16 計算輸油平均溫度下的原油運動粘度 ..................................................... 16 ................................................................................................ 17 [1] ............................................................................................. 18 （方案二） ......................................................................................... 19 ........................................................................... 19 總傳熱系數 K的確定 .............................................................................. 19 .................................................................................. 20 [1] ...................................................................................... 20 水力計算（方 案二） ........................................................................................ 21 計算輸油平均溫度下的原油運動粘度 ..................................................... 21 ................................................................................................ 21 ................................................................................................ 22 5 設備選型 .................................................................................................................... 23 設備選型計算（方案一） ................................................................................. 23 泵的選型 ............................................................................................... 23 原動機的選型 ........................................................................................ 24 加熱設備選型 ........................................................................................ 24 站場布置（方案一） ........................................................................................ 24 3 [1]： ...................................................................................... 24 [1] ................................................................................... 25 ................................................................................................ 25 設備選型計算（方案二） ................................................................................. 27 泵的選型（同方案一） .......................................................................... 27 原動機的選型（同方案一） ................................................................... 27 加熱設備選型 ........................................................................................ 27 站場布置（方案二） ........................................................................................ 27 ............................................................................................ 27 降 ..................................................................................... 28 ................................................................................................ 28 6 泵站及管道參數校核 ..............................