本文選題：IGCC + 工藝設(shè)備安全風(fēng)險(xiǎn)　； 參考：《華東理工大學(xué)》2017年碩士論文

【摘要】：整體煤氣化聯(lián)合循環(huán)發(fā)電(Integrated Gasification Combined Cycle,簡稱IGCC)是先進(jìn)的低污染、高效率的潔凈煤發(fā)電技術(shù),近年來發(fā)展迅速。由于其主要由煤氣化系統(tǒng)和燃?xì)庋h(huán)發(fā)電系統(tǒng)兩部分所組成,潛在危險(xiǎn)性較大。但是,目前針對(duì)IGCC系統(tǒng)的工藝設(shè)備安全風(fēng)險(xiǎn)分析相對(duì)薄弱,所以亟需進(jìn)行研究以彌補(bǔ)。論文以國內(nèi)某IGCC電廠為研究對(duì)象,通過對(duì)比設(shè)計(jì)資料、現(xiàn)場(chǎng)勘查、參考類似裝置事故等方式,運(yùn)用安全檢查表法和集思廣益法,對(duì)其工藝設(shè)備的安全風(fēng)險(xiǎn)因素進(jìn)行了辨識(shí),建立了具有層次的IGCC工藝設(shè)備安全風(fēng)險(xiǎn)因素集合,涵蓋IGCC裝置整體風(fēng)險(xiǎn)因素,工藝設(shè)備系統(tǒng)單元的6個(gè)一級(jí)風(fēng)險(xiǎn)因素,以及27個(gè)具體的工藝設(shè)備二級(jí)風(fēng)險(xiǎn)因素。論文選定了以模糊層次分析法(FAHP)作為風(fēng)險(xiǎn)評(píng)價(jià)的主要方法。論文通過層次分析,確定IGCC各風(fēng)險(xiǎn)因素權(quán)重,并進(jìn)行一致性檢驗(yàn),結(jié)果發(fā)現(xiàn)其中"二段投煤量過大"的權(quán)重最高。然后通過確定含有四級(jí)風(fēng)險(xiǎn)的模糊評(píng)價(jià)集合,建立隸屬度矩陣,構(gòu)造數(shù)學(xué)模型,按照最大隸屬度原則,對(duì)IGCC工藝設(shè)備安全風(fēng)險(xiǎn)等級(jí)進(jìn)行了模糊綜合評(píng)估,以避免專家的主觀因素對(duì)總體分析評(píng)價(jià)結(jié)果造成影響。結(jié)果表明,IGCC裝置的整體工藝設(shè)備風(fēng)險(xiǎn)等級(jí)為Ⅰ級(jí),其中,空分系統(tǒng)和氣化爐系統(tǒng)的風(fēng)險(xiǎn)等級(jí)最高,為Ⅰ級(jí)。綜合而言,提示IGCC裝置安全風(fēng)險(xiǎn)巨大,針對(duì)其安全風(fēng)險(xiǎn)等級(jí),提出了工程技術(shù)措施和管理措施等風(fēng)險(xiǎn)控制對(duì)策,為IGCC系統(tǒng)的安全、穩(wěn)定、長效運(yùn)行可以提供有效的研究參考。
[Abstract]:Integrated gasification combined cycle (IGCC) is an advanced clean coal power generation technology with low pollution and high efficiency. Because it is mainly composed of coal gasification system and gas cycle power generation system, the potential danger is great. However, the safety risk analysis of IGCC system is relatively weak at present, so it is urgent to make up for it. This paper takes an IGCC power plant in China as the research object. By comparing the design data, on-the-spot investigation, referring to similar device accidents, and using the safety inspection table method and brainstorming method, the paper identifies the safety risk factors of the process equipment. A set of safety risk factors for IGCC process equipment is established, which covers the overall risk factors of IGCC plant, six first-order risk factors of process equipment system unit, and 27 secondary risk factors of process equipment. The paper chooses the fuzzy analytic hierarchy process (FAHP) as the main method of risk evaluation. In this paper, the weight of IGCC risk factors is determined by analytic hierarchy process, and the consistency test is carried out. The results show that the weight of "excessive coal quantity in the second stage" is the highest. Then the fuzzy evaluation set with four levels of risk is determined, the membership matrix is established, the mathematical model is constructed, and according to the principle of maximum membership degree, the fuzzy comprehensive evaluation of the safety risk level of IGCC process equipment is carried out. In order to avoid the impact of the subjective factors on the overall analysis and evaluation results. The results show that the whole process equipment risk grade of IGCC plant is grade I, among which the air separation system and gasifier system have the highest risk grade and grade 鈪，

本文編號(hào)：2074328