脫硫除塵一體化超低排放技術(shù)改造在燃煤電廠中的應(yīng)用研究
本文選題:除塵 + 脫硫 ; 參考:《華北電力大學(xué)(北京)》2017年碩士論文
【摘要】:我國煤炭產(chǎn)量居世界第一,可探明儲(chǔ)量居世界第二。因此煤炭在我國能源結(jié)構(gòu)中處于絕對(duì)主體地位短期不會(huì)改變。煤炭燃燒產(chǎn)生的煙塵、SO2等污染物是造成霧霾、酸雨等大氣污染的主要原因之一。我國也越來越重視大氣污染的治理問題,控制熱電廠污染物的排放對(duì)改善大氣環(huán)境具有十分重要的作用。本文概括了煙氣除塵脫硫技術(shù)的現(xiàn)狀,針對(duì)山東中華發(fā)電有限公司石橫發(fā)電廠一、二期4 X 315MW機(jī)組除塵脫硫系統(tǒng),尋求最佳處理方案使煙氣排放達(dá)標(biāo)。根據(jù)石橫發(fā)電廠的具體情況,本文選擇合適的除塵脫硫方法,設(shè)計(jì)高效的工程技術(shù)方案,采用先進(jìn)的控制手段,提高煙氣排放的質(zhì)量。經(jīng)過分析比較,脫硫采用旋流噴霧煙氣脫硫技術(shù),除塵采用離心式管束除塵技術(shù),在原有設(shè)備基礎(chǔ)上進(jìn)行改造,并進(jìn)行改造結(jié)果檢驗(yàn),實(shí)現(xiàn)了脫硫除塵一體化超低排放。本文的研究對(duì)火電廠除塵脫硫系統(tǒng)建設(shè)、運(yùn)營提供了重要的理論依據(jù)與實(shí)踐經(jīng)驗(yàn),能夠產(chǎn)生較好的經(jīng)濟(jì)、環(huán)境和社會(huì)效益。本文的研究對(duì)越來越嚴(yán)格的新標(biāo)準(zhǔn)實(shí)施過程中,對(duì)熱電廠煙氣達(dá)標(biāo)排放的方法做出了積極探索,起到了表率作用,對(duì)于推動(dòng)社會(huì)經(jīng)濟(jì)協(xié)調(diào)發(fā)展具有非常重要的意義。
[Abstract]:China ranks first in coal production and second in proven reserves in the world. Therefore, coal in China's energy structure in the absolute dominant position will not change in the short term. Pollutants such as soot and sulfur dioxide produced by coal combustion are one of the main causes of air pollution such as haze acid rain and so on. More and more attention has been paid to the treatment of air pollution in China. Controlling the emission of pollutants from thermal power plants plays an important role in improving the atmospheric environment. The present situation of flue gas dust removal and desulfurization technology is summarized in this paper. Aiming at the dust removal and desulfurization system of 4 X 315MW unit in Shiheng Power Plant of Shandong Zhonghua Power Generation Co., Ltd., the best treatment scheme is sought to make the flue gas discharge up to standard. According to the specific situation of Shiheng Power Plant, this paper selects the appropriate method of dust removal and desulfurization, designs the efficient engineering technical scheme, and adopts advanced control measures to improve the quality of flue gas emission. Through analysis and comparison, desulphurization adopts swirl spray flue gas desulphurization technology, dust collection technology adopts centrifugal tube bundle dust removal technology, on the basis of the original equipment, and carries on the transformation result inspection, realizes the desulphurization and dust collection integration ultra low discharge. The research in this paper provides important theoretical basis and practical experience for the construction and operation of dust removal and desulfurization system in thermal power plants, and can produce better economic, environmental and social benefits. In the process of implementing the more and more strict new standards, the research in this paper has made an active exploration on the methods of flue gas emission reaching the standard in thermal power plants, which has played an exemplary role in promoting the coordinated development of social economy.
【學(xué)位授予單位】:華北電力大學(xué)(北京)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:X773
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