【摘要】：城市集中供熱作為一項(xiàng)民生工程,是國家在基礎(chǔ)建設(shè)領(lǐng)域中重點(diǎn)支持的行業(yè)。隨著我國城市化進(jìn)程的不斷加快,建筑面積不斷增加,為了解決新增加用戶的采暖需求,改善原有用戶的供熱服務(wù)質(zhì)量,需要對(duì)現(xiàn)有供熱系統(tǒng)進(jìn)行改造。同時(shí),隨著我國經(jīng)濟(jì)的快速增長,資源能源消費(fèi)約束明顯顯現(xiàn),能源供求矛盾日益突出,作為能源消耗大戶,供熱行業(yè)節(jié)能降耗迫在眉睫,因此需要在改造前深入分析現(xiàn)狀,找出能源浪費(fèi)的環(huán)節(jié),提出有針對(duì)性的改造措施,對(duì)于改善供熱運(yùn)行、提高供熱服務(wù)質(zhì)量、節(jié)能降本,實(shí)現(xiàn)企業(yè)的良性發(fā)展有著重要的意義。本文正是在此背景的基礎(chǔ)上形成的,論文從擬改造工程現(xiàn)狀入手,介紹了項(xiàng)目目前的能源利用基本情況,分析各用能系統(tǒng)能源損失的環(huán)節(jié),找出存在的問題,在借鑒國內(nèi)外同行業(yè)先進(jìn)經(jīng)驗(yàn)的基礎(chǔ)上,提出了供熱改造工程的節(jié)能實(shí)施方案并對(duì)方案實(shí)施后的節(jié)能效益及經(jīng)濟(jì)效益作出了評(píng)價(jià),評(píng)價(jià)結(jié)果表明該工程的各項(xiàng)效益非常顯著。文中運(yùn)用能量平衡的理論和分析方法對(duì)現(xiàn)有供熱系統(tǒng)中的燃煤系統(tǒng)、電力系統(tǒng)、用水系統(tǒng)進(jìn)行了分析,從設(shè)備、工藝等不同角度闡述項(xiàng)目改造中節(jié)能評(píng)估的應(yīng)用,與現(xiàn)有情況對(duì)比,得出項(xiàng)目改造后的實(shí)施效果。本文通過對(duì)供熱系統(tǒng)進(jìn)行能耗分析及改造,得出了有實(shí)際應(yīng)用價(jià)值的結(jié)論,為今后供熱改造工程中的節(jié)能評(píng)估研究提供一些有價(jià)值的參考。
[Abstract]:Urban central heating, as a livelihood project, is a key industry supported by the state in the field of infrastructure construction. With the development of urbanization in China, the building area is increasing. In order to solve the heating demand of the new users and improve the heating service quality of the original users, the existing heating system needs to be reformed. At the same time, with the rapid economic growth of our country, resource and energy consumption constraints appear obviously, the contradiction between energy supply and demand is increasingly prominent. As a large energy consumer, energy saving and consumption reduction in the heating industry is imminent, so it is necessary to analyze the present situation thoroughly before the transformation. It is of great significance to find out the links of energy waste and put forward the corresponding measures to improve the operation of heating, improve the quality of heating service, save energy and reduce the cost, and realize the benign development of the enterprise. This paper is formed on the basis of this background. This paper introduces the basic situation of energy utilization of the project, analyzes the links of energy loss in each energy use system, and finds out the existing problems from the point of view of the present situation of the project. On the basis of drawing lessons from the advanced experience of the same industry at home and abroad, this paper puts forward the energy saving implementation scheme of the heating supply renovation project and evaluates the energy-saving benefit and economic benefit after the implementation of the scheme. The evaluation results show that the benefits of the project are very remarkable. In this paper, the energy balance theory and analysis method are used to analyze the coal burning system, electric power system and water use system in the existing heating system, and the application of energy saving evaluation in the transformation of the project is expounded from the different angles of equipment, technology, etc. Compared with the existing situation, the implementation of the project after the transformation effect. Based on the energy consumption analysis and retrofit of the heating system, this paper draws a conclusion with practical application value, and provides some valuable references for the energy conservation evaluation research in the future heat supply renovation project.
【學(xué)位授予單位】：大連理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TU995

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