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面向乙烯流程的能耗分析
Alternative TitleEnergy Analysis of Ethylene Process
胡乐
Subtype工学硕士
Thesis Advisor庄诚
2009-06-02
Degree Grantor中国科学院研究生院
Place of Conferral中国科学院自动化研究所
Degree Discipline控制理论与控制工程
Keyword乙烯流程 能耗分析 数据包络分析 夹点分析 顶层分析法 Ethylene Production Dea Analysis Pinch Technology Top-level Analysis.
Abstract石油化工行业是高耗能产业,而乙烯工业是石油化学工业的龙头与核心。乙烯装置生产的三烯(乙烯、丙烯、丁二烯)和三苯(苯、甲苯、二甲苯)是石油化学工业的基础原料。乙烯产量的高低是衡量一个国家石油化工发展水平的主要标志。 但是,乙烯生产流程是一个复杂的系统,具有变量多,变量耦合性强的特性。为了实现乙烯生产节能降耗的目标,怎样对这样一个复杂的系统进行能耗分析,换热网络优化及公用工程优化是相关科研人员面临前的难题。经过多年的探索,换热学及控制学方面的专家已经提出了多种的乙烯生产流程能耗分析方法,这些能耗分析方法在应用中取得了一定的效果,但还存在很多的局限,乙烯生产流程能耗分析还有待于进一步的细化。 本课题依托中科院自动化所与北京化工大学,中国石化工程建设公司合作的863科技攻关项目-“面向乙烯流程能耗指标数据融合技术研究与应用”,在深入研究现有的各种不同的能耗分析方法的基础上,结合自己的能耗分析理论知识和工程经验,运用数据包络分析,夹点技术,顶层分析法等对乙烯生产流程进行了分析,比较了国内主要乙烯生产厂商的能耗数据。全文共分五章,各章的主要内容如下: 1. 第一章简要介绍了当前国内外乙烯生产行业的发展现状,普遍的能耗分析方法。 2. 第二章简要介绍乙烯工艺流程的主要组成部分及各部分的主要专利技术。 3. 第三章简要介绍了现有的各种针对乙烯成产流程的能耗分析方法,并对各种分析方法的优缺点进行了分析和比较。 4. 第四章运用数据包络分析对国内主要乙烯生产厂商的能耗数据进行分析,比较各自的技术参数;对一个乙烯低温系统做工艺物流夹点分析和公用工程夹点分析。 5. 第五章对全文进行了总结,并对后续工作提出想法和建议。
Other AbstractPetrochemical industry consists of many high energy-consuming production processes. Ethylene production plays an important role in the Petrochemical industry. Ethylene products such as ethylene, propylene, butadiene, benzene, toluene and xylene, are fundamental raw materials in the petrochemical industry. The capacity of ethylene production indicates the national development level of the petrochemical industry. However, ethylene production is a complicated system which features numerous variables and strong coupling between variables. The analysis of such a large system, the refinement of heat exchanging networks and utilities in order to reduce energy consumption proves to be a huge task to relevant researchers. Through years of exploration, heat-exchanging and control experts have proposed various methods to diagnose energy consumption of ethylene production. But there are still many unexplored fields and Energy consumption analysis of ethylene production is subject to further refinement. This paper is based on the project of ethylene process energy-consumption data fusion research and application which is a 863 endeavor conducted jointly by Institute of Automation, Chinese Academy of Sciences and Beijing University of Chemical Technology and Sinopec engineering corporation. Through in-depth study of various existing methods of energy analysis, combined with my own theoretical knowledge of energy analysis and engineering experience, this paper adopts data envelop analysis, pinch technology and top-level analysis to diagnose the energy consumption of ethylene production, does a comparison of main domestic ethylene plants. This paper consists of five chapters; each has the following main contents: 1. Chapter 1 is an introduction part, which introduces the development of ethylene production and its common energy consumption analysis methods in our country and abroad. 2. Chapter 2 introduces the main components of ethylene production and the corresponding dominating patent technologies. 3. Chapter 3 introduces and compares energy-consumption analysis methods which presently are widely used in ethylene industry and analyses the advantages and disadvantages of each method. 4. Chapter 4 analyses the energy-consumption data of main domestic Ethylene plants using DEA analysis, conducts process streams pinch analysis and utilities pinch analysis on an ethylene cryogenic system. 5. Chapter 5 sums up this paper and presents some idea and suggestion to the furth...
shelfnumXWLW1392
Other Identifier200628014628004
Language中文
Document Type学位论文
Identifierhttp://ir.ia.ac.cn/handle/173211/7492
Collection毕业生_硕士学位论文
Recommended Citation
GB/T 7714
胡乐. 面向乙烯流程的能耗分析[D]. 中国科学院自动化研究所. 中国科学院研究生院,2009.
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