【摘要】：近半個世紀(jì)以來,天然氣憑借其熱值高、環(huán)境污染小和經(jīng)濟(jì)效益好等優(yōu)點(diǎn),逐步成為壓倒石油和煤炭的“首席能源”。為了解決天然氣利用過程中存在的供需矛盾,儲氣庫作為一種安全供氣、調(diào)峰的手段,在世界各國迅速發(fā)展。開展儲氣庫注采站地面工藝能效評價技術(shù)研究,有利于找出系統(tǒng)用能的薄弱環(huán)節(jié),為工藝及設(shè)備改造提供技術(shù)依據(jù),以保證儲氣庫的經(jīng)濟(jì)運(yùn)行。 論文以文96儲氣庫注采站為研究對象,在總結(jié)、歸納國內(nèi)外儲氣庫注采站地面工藝運(yùn)行現(xiàn)狀及綜合評價方法應(yīng)用現(xiàn)狀的基礎(chǔ)上,主要開展了以下三方面的研究： 首先,論文采用能量分析方法和能質(zhì)分析方法對文96儲氣庫注采站的脫水系統(tǒng)和增壓系統(tǒng)進(jìn)行用能分析,通過建立系統(tǒng)及主要用能設(shè)備的能效計算模型,確定了地面工藝系統(tǒng)的能效水平。 其次,論文通過建立脫水系統(tǒng)的HYSYS模擬模型和增壓系統(tǒng)往復(fù)式壓縮機(jī)的熱力復(fù)算模型,分別對文96儲氣庫注采站脫水系統(tǒng)和增壓系統(tǒng)的能耗影響因素進(jìn)行定量分析,確定了主要工藝參數(shù)的控制范圍。 最后,論文基于評價指標(biāo)體系構(gòu)建原則,確立了包括1個一級指標(biāo),2個二級指標(biāo)和15個三級指標(biāo)的能效評價指標(biāo)體系,以綜合評價的相關(guān)理論為基礎(chǔ),提出了運(yùn)用層次分析法和模糊綜合評價法相結(jié)合的評價方法對文96儲氣庫注采站地面工藝進(jìn)行能效評價,同時根據(jù)對能效評價結(jié)果的分析,提出了相應(yīng)的節(jié)能降耗措施。 論文對文96儲氣庫注采站地面工藝開展能效評價工作,有助于把握地面工藝系統(tǒng)的運(yùn)行現(xiàn)狀,分析評價地面工藝系統(tǒng)及設(shè)備的能效水平,為儲氣庫的生產(chǎn)調(diào)度、運(yùn)行改造提供依據(jù)。
[Abstract]:In the past half century, natural gas has gradually become the "chief energy" which overwhelms oil and coal because of its high calorific value, small environmental pollution and good economic benefits. In order to solve the contradiction between supply and demand in the process of natural gas utilization, gas storage, as a means of safe gas supply and peak shaving, is developing rapidly all over the world. It is helpful to find out the weak link of system energy use and to provide technical basis for process and equipment transformation to ensure the economic operation of gas storage. The research on the evaluation technology of surface process energy efficiency of gas storage station is helpful to find out the weak link of system energy use. This paper takes Wen96 gas reservoir injection and production station as the research object, on the basis of summing up, summing up the present situation of the ground technology operation and the application of comprehensive evaluation method of the gas injection and production station at home and abroad. The main research work is as follows: firstly, the energy use analysis method and energy quality analysis method are used to analyze the dewatering system and pressurization system in the injection and production station of Wen96 gas storage. The energy efficiency level of the ground process system is determined by establishing the energy efficiency calculation model of the system and the main energy using equipment. Secondly, by establishing the HYSYS simulation model of dehydration system and the thermodynamic recalculation model of reciprocating compressor in booster system, the energy consumption influencing factors of dewatering system and supercharging system in Wen96 gas storage station are quantitatively analyzed respectively. The control range of main process parameters is determined. Finally, based on the construction principle of evaluation index system, the paper establishes the energy efficiency evaluation index system, which includes 1 primary index, 2 second class index and 15 third grade index, which is based on the related theory of comprehensive evaluation. This paper puts forward an evaluation method which combines AHP and fuzzy comprehensive evaluation method to evaluate the energy efficiency of the ground process of the injection and mining station in Wen96 gas storage. Based on the analysis of the results of the energy efficiency evaluation, the corresponding energy saving and consumption reduction measures are put forward. In this paper, the energy efficiency evaluation of the ground process in Wen96 gas storage and production station is helpful to grasp the operation status of the ground process system, to analyze and evaluate the energy efficiency level of the ground process system and equipment, and to schedule the production of the gas storage. The operation and transformation provide the basis.
【學(xué)位授予單位】：西南石油大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TE82

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