本文選題：ZM天然氣管道 + 輸差�。� 參考：《西南石油大學(xué)》2017年碩士論文

【摘要】：隨著我國天然氣消耗量的急劇增加,天然氣進(jìn)口已成為緩解我國能源壓力的重要手段。在我國天然氣進(jìn)口管線中,ZM天然氣輸送管道已出現(xiàn)了較為嚴(yán)重的輸差問題,超出了可接受范圍,不僅給交接雙方經(jīng)濟(jì)帶來了較大影響,還影響著雙方的國際貿(mào)易合作關(guān)系。因此對(duì)該管線展開輸差產(chǎn)生原因分析,確定問題屬性,確保天然氣輸量的準(zhǔn)確、可靠和統(tǒng)一,對(duì)改進(jìn)生產(chǎn)工藝、提高產(chǎn)品質(zhì)量、降低產(chǎn)品成本、提高經(jīng)濟(jì)效益及社會(huì)效益有著積極作用,有利于維護(hù)雙邊國際貿(mào)易合作關(guān)系。故本文針對(duì)ZM天然氣管道的輸差問題開展了以下幾個(gè)方面的研究:首先,收集和整理國內(nèi)外天然氣長輸管道和燃?xì)夤芫W(wǎng)的輸差分析控制基礎(chǔ)理論,分析比較了數(shù)據(jù)挖掘技術(shù)在國內(nèi)外的發(fā)展現(xiàn)狀和研究成果。從天然氣長輸管道輸差構(gòu)成的角度分析了輸差產(chǎn)生的原因。結(jié)合ZM天然氣管道現(xiàn)場運(yùn)行情況和數(shù)據(jù),認(rèn)為引起ZM天然氣管道輸差增大的因素可能是管存計(jì)算偏差、放空量和自用氣量。其次,從壓縮因子的計(jì)算、管段細(xì)分程度兩方面對(duì)管存計(jì)算進(jìn)行研究和優(yōu)化,得到適合ZM天然氣管道的管存計(jì)算方法。在壓縮因子計(jì)算方面,通過對(duì)比8種常用狀態(tài)方程和8種經(jīng)驗(yàn)公式,優(yōu)選AGA8-92DC計(jì)算方法,在計(jì)算時(shí)間和求解過程兩方面優(yōu)化AGA8-92DC計(jì)算方法。在管段細(xì)分程度方面,結(jié)合ZM天然氣管道實(shí)際分析,制定最優(yōu)管段劃分方案。然后,運(yùn)用灰色關(guān)聯(lián)度分析法,對(duì)ZM天然氣管道輸差相關(guān)的歷史數(shù)據(jù)和記錄進(jìn)行分析,確定影響輸差的主要因素。利用數(shù)據(jù)挖掘技術(shù)中的關(guān)聯(lián)規(guī)則方法,進(jìn)一步挖掘歷史數(shù)據(jù)和記錄,得到影響因素和影響規(guī)律。最后,運(yùn)用C#語言編制了 ZM天然氣管道輸差分析程序,采用編制的程序?qū)M天然氣管道2015年～2016年上半年輸差相關(guān)數(shù)據(jù)以及記錄進(jìn)行了實(shí)例計(jì)算和分析,分析結(jié)果表明,該程序有較高的可靠性和實(shí)用價(jià)值。
[Abstract]:With the rapid increase of natural gas consumption in China, the import of natural gas has become an important means to alleviate the energy pressure of our country. In the natural gas import pipeline of China, the ZM natural gas pipeline has appeared more serious transmission difference problem, which is beyond acceptable range, not only has brought great influence on the economy of the two sides, but also affects both sides. Therefore, the analysis of the causes of the pipeline expansion, the determination of the problem attributes, and the accuracy, reliability and unity of the natural gas transmission, have a positive effect on improving the production process, improving the quality of the product, reducing the cost of the product, improving the economic and social benefits, and is conducive to the maintenance of bilateral international trade cooperation. Therefore, this paper studies the following aspects of the ZM gas pipeline transmission problem: first, to collect and collate the basic theory of the transmission analysis and control of natural gas pipeline and gas pipeline at home and abroad, analyze and compare the development status and research results of data mining technology at home and abroad. The cause of the transmission difference is analyzed in the angle of formation. Combined with the field operation and data of ZM natural gas pipeline, it is considered that the factors that cause the increase of ZM gas pipeline transport difference may be the calculation deviation, the free volume and the self use gas quantity of the pipe storage. Secondly, the calculation and optimization of the tube storage calculation from the calculation of the compression factor and the subdivision of the pipe section two are studied and optimized. It is suitable for the calculation method of pipe storage for ZM natural gas pipeline. In the calculation of compression factor, by comparing 8 common state equations and 8 empirical formulas, optimizing the AGA8-92DC calculation method, optimizing the AGA8-92DC calculation method in the calculation time and solving process two aspects. In the aspect of subdivision of the pipe section, combining with the actual analysis of the ZM natural gas pipeline, the optimal method is formulated. Then, using the gray correlation analysis method, the historical data and records related to the ZM gas pipeline transport difference are analyzed, and the main factors that affect the transmission difference are determined. Using the association rules method in the data mining technology, the historical data and records are further excavated and the influence factors and influence laws are obtained. Finally, the use of C# language is used. The ZM gas pipeline transmission analysis program is compiled, and the program is used to calculate and analyze the data and records of the ZM natural gas pipeline from 2015 to the first half of 2016, and the results show that the program has high reliability and practical value.
【學(xué)位授予單位】：西南石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TE973

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