【正文】 ....................8 輸氣站種類及功能 .............................................................................................8 輸氣站的主要功能 ....................................................................................................9 分離 .....................................................................................................................9 清管 .....................................................................................................................9 調(diào)壓計(jì)量 .............................................................................................................9 站址選擇 ..................................................................................................................10 站場(chǎng)工藝設(shè)備選型 ..................................................................................................11 簡(jiǎn)述 ...................................................................................................................11 分離器的設(shè)計(jì) ...................................................................................................11 除液器設(shè)備設(shè)計(jì)及選擇 ...................................................................................125 線路工程 ........................................................................................................................14 線路所處位置及沿線自然條件狀況 ......................................................................14西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文）II 線路選擇的基本要求 .......................................................................................14 沿線自然條件狀況 ...........................................................................................14 沿線地區(qū)等級(jí)劃分 ...........................................................................................14 管道材質(zhì)及壁厚選擇 ..............................................................................................14 材質(zhì)選擇 ...........................................................................................................14 鋼管壁厚的確定 ...............................................................................................15 管道的軸向應(yīng)力及穩(wěn)定性驗(yàn)算 .......................................................................15 管道敷設(shè) ..................................................................................................................16 管道的敷設(shè)方式 ...............................................................................................16 管道轉(zhuǎn)角 ...........................................................................................................16 線路輔助設(shè)施 ...................................................................................................16 線路走向 ...........................................................................................................17 勘察要求 ...........................................................................................................17 站址選擇步驟 ...................................................................................................17 線路設(shè)計(jì)中采取的抗震措施 ...........................................................................17 焊接與檢驗(yàn)、清管與試壓 ......................................................................................18 焊接與檢驗(yàn) .......................................................................................................18 清管和試壓 .......................................................................................................18 閥門與法蘭的選用 ..................................................................................................19 閥門的種類及選用 ...........................................................................................19 法蘭的選用 .......................................................................................................206 輸氣管道工藝計(jì)算書 ....................................................................................................21 原始資料及基本物性計(jì)算 ......................................................................................21 天然氣輸送流向和氣量分配 ...........................................................................21 天然氣物性參數(shù)計(jì)算 .......................................................................................21 輸氣管熱力計(jì)算 ......................................................................................................22 管線工藝計(jì)算基本參數(shù) ...................................................................................22 定壓摩爾比熱的計(jì)算 .......................................................................................22 末段管道的最優(yōu)管徑及最優(yōu)長(zhǎng)度的計(jì)算 ..............................................................23 最優(yōu)管徑的計(jì)算 ...............................................................................................23 末段管道內(nèi)徑的校核 .......................................................................................24 計(jì)算除末段外的其余管段 ......................................................................................26 管徑的計(jì)算 .......................................................................................................26 壓氣站個(gè)數(shù)、站間距的確定 ...........................................................................27 壓縮系數(shù)的計(jì)算 ...............................................................................................27西安石油大學(xué)本科畢業(yè)設(shè)計(jì)（論文）III 管線應(yīng)力的校核 ......................................................................................................27 一期方案的確定 ......................................................................................................28 旋風(fēng)分離器的設(shè)計(jì)計(jì)算 ..........................................................................................28 工作條件下的氣體流量的計(jì)算 .......................................................................28 旋風(fēng)分離器直徑的計(jì)算 ...................................................................................29 旋風(fēng)分離器的驗(yàn)算 ...........................................................................................29 旋風(fēng)分離器的工作范圍的計(jì)算 .......................................................................29 旋風(fēng)分離器的進(jìn)口管徑和出口管徑的計(jì)算 ..................