【正文】 西安石油大學本科畢業(yè)設計 (論文 ) 輸油管線參數(shù)優(yōu)化 設計 軟件的編制 摘 要 ： 管道優(yōu)化設計是一項復雜的系統(tǒng)工程，目標是尋求既滿足工藝要求，同時經濟效益較好的方案，但工作量和計算量龐大，通過編制計算機軟件既提高工了作效率，節(jié)省時間，而且能更直觀更準確地對管線參數(shù)進行操作，從而達到優(yōu)化的效果。 論 文對優(yōu)化設計的數(shù)學模型類型、尋優(yōu)方法及發(fā)展趨勢，以及油氣管道工程的優(yōu)化技術研究進行了全面綜述， 根據(jù)流體力學及傳熱學相關理論 建立了熱含蠟原油管道系統(tǒng)優(yōu)化設計的數(shù)學模型 ,并 編制了 輸油 管線參數(shù)優(yōu)化軟件。 本軟件采用 Visual 編制 ， 以 Microsoft Office Access 為 數(shù)據(jù)庫， 通過 ADO 數(shù) 據(jù)控件 綁定 鏈接，在窗體上 采 用 Date grid 控件顯示數(shù)據(jù) ，具有網格式大量數(shù)據(jù)讀入、溫度壓力計算及分布曲線的繪制、停輸時間計算、推薦運行參數(shù)和數(shù)據(jù)輸出 等 幾大功能。 通過 對白豹到華池的輸油管線的優(yōu)化設計 的 實例 計算 ,表明 計算結果與管線實際運行參數(shù)相符， 優(yōu)化結果 令人 滿意 ，證實了本軟件的 可靠性與實用性。 該優(yōu)化問題的解決對于提高輸油管系統(tǒng)的設計、管理水平具有重要的 實際 意義。 關鍵詞 ： 輸油管道 ； 含蠟原油 ； 優(yōu)化設計 ； 加熱輸送 ； 軟件編制 西安石油大學本科畢業(yè)設計 (論文 ) The design of software for optimezing the parameter of pipeline Abstract: Pipeline optimization design is a plex system engineering. It aims at finding the program that economically meets the technology requirement. However, the system engineering needs enormous calculations and works. The use of software can not only highly raise the efficiency, but also calculate the parameter accurately in intuitionistic way, consequently achieve the optimization of pipeline. This paper first gives a overall summary of mathematical models of optimal design, optimumseeking techniques and their development trends and the optimization researches in pipeline project. According to the theory of hydromechanics and heat transfor, the author build the mathematical model for the optimal design of pipeline system transporting hot waxy crudes, then design the software for optimezation of pipeline base on the mathematical model in visual basic language. The software use Microsoft Office Access as datebase, which was linked by ADO control, then dates were showed in the form by date grid main functions of the software are date inputing, calculating temperature and pressure and drawing their graphs, calculating time of halt and optimal parameter. The calculations of the pipeline which is from Bai bao to Hua che indicate that the results accord with practical parameter, consequently achieve the optimezation of , the reliability and practicability of the software is is especially significant for improving the design and management arts of petroleum pipeline to the solution of the problem. Key Word: Oil pipeline。 Waxy crude oil。 Optimization design。 Hot transportation。 software 西安石油大學本科畢業(yè)設計 (論文 ) I 目 錄 1 前言 ................................................................................................................................... 1 問題的提出 ............................................................................................................. 1 輸油管道優(yōu)化運行研究及其軟件編制的發(fā)展狀況 ............................................. 1 國外輸油管道優(yōu)化運行及其軟件編制研究的發(fā)展狀況 ........................... 2 國內輸油管道優(yōu)化運行研究的發(fā)展狀況 ................................................... 3 管道優(yōu)化 及其軟件編制 的意義 ............................................................................. 5 節(jié)約能源 ........................................................................................................ 5 降低油品的生產成本 ................................................................................... 5 有利于環(huán)境保護 ........................................................................................... 5 主要研究內容 ..........................................................................................................6 2 基本算法的確定 ................................................................................................................ 6 熱油管道沿程溫降計算 .......................................................................................... 7 熱油管道的摩阻計算 ............................................................................................. 8 保證管線正常輸運所允許的停輸時間 ................................................................. 8 原油輸送能耗的計算 ........................................................................................... 12 3 軟件的設計 ..................................................................................................................... 15 軟件的設計環(huán)境及功能說明 ............................................................................... 15 軟件的結構圖 ....................................................................................................... 16 軟件的操作界面及使用說明 ............................................................................... 17 啟動界面及主操 作界面 ............................................................................. 17 數(shù)據(jù)輸入 ...................................................................................................... 19 溫度及壓力計算 ......................................................................................... 21 停輸時間 .................................................................................................... 23 推薦運行參數(shù) ............................................................................................. 24 4 計算實例 ......................................................................................................................... 25 管道溫度及壓力分布 ........................................................................................... 25 停輸時間的計算 ................................................................................................... 27 推薦運行參數(shù) ....................................................................................................... 29 5 結論及建議 ..................................................................................................................... 31 畢業(yè)設計 小結 ..................................................................................................................... 32 參考文獻 ............................................................................................................................. 33 致謝 ............................................................................................