火电厂燃煤配比与采购计划优化方法与系统开发

发布时间：2019-03-24 12:05

【摘要】：能源是一个国家国民经济的重要物质基础,是可持续发展的重要保障。我国作为以煤炭为主要能源的国家,煤炭分布却极为不均衡,且煤质差异较大,这使火电厂无法全部使用设计煤种。因此,企业需要通过燃煤配比实现煤炭资源的优势互补。同时,燃煤采购费用与库存管理费用在火电厂的成本结构中占据很大比例,如何科学、合理的安排燃煤采购以降低企业成本,受到越来越多的关注。本文以国内某电厂的实际需求为背景,结合电厂实际生产情况,针对火力发电过程燃煤配比与采购计划两大问题进行研究,主要工作如下：1)讨论了进行燃煤配比与制定燃煤采购计划的目的及意义,介绍了燃煤配比与燃煤采购的国内外研究现状,分析了燃煤配比与燃煤采购环节仍存在的问题。2)以国内某电厂的实际调研为基础,确立系统的需求分析,规划系统的主要功能,提出系统的性能需求。3)对主要煤质参数进行分析、介绍,对燃煤配比中煤质参数的线性可加性、采购环节中物流平衡与安全库存理论进行讨论,并针对燃煤配比与采购计划两个优化问题,分别建立以配煤总成本最低为目标的燃煤配比数学模型,以及以采购环节总成本最低为目标的采购计划数学模型,引入线性规划求解软件包lp_solve完成两个模型的求解工作,证明两个模型均能求得最优解。4)以需求分析为背景、优化模型为核心,开发并实现了燃煤辅助决策系统。系统采用Flash Builder与MyEclipse两大集成开发环境进行开发,采用Flex +Spring+Hibernate框架搭建服务开发平台,使用Oracle数据库,Tomcat服务器。系统可为用户提供基础数据管理、自动化配煤、人机结合配煤和燃煤采购数据管理四个核心功能。系统界面美观,操作便捷,用户体验效果良好。最后,通过某电厂的实际问题在本系统中的应用,对模型和系统进行了验证,结果表明系统可为用户提供最优的解决方案,为用户的实际生产带来效益。
[Abstract]:Energy is an important material basis of a country's national economy and an important guarantee for sustainable development. As a country with coal as the main energy, the distribution of coal is extremely uneven, and the coal quality is quite different, which makes it impossible for thermal power plants to use all the designed coal. Therefore, enterprises need to realize the complementary advantages of coal resources through coal-burning ratio. At the same time, coal procurement costs and inventory management costs occupy a large proportion in the cost structure of thermal power plants. More and more attention has been paid to how to arrange coal procurement scientifically and rationally in order to reduce the cost of enterprises. Based on the actual demand of a power plant in China and the actual production situation of the power plant, this paper studies the two major problems of coal-fired proportioning and procurement plan in the process of thermal power generation. The main work is as follows: 1) the purpose and significance of coal proportioning and coal procurement plan are discussed, and the research status at home and abroad of coal mix ratio and coal procurement is introduced. 2) based on the actual investigation of a power plant in China, the demand analysis of the system and the main functions of the planning system are established. The performance requirements of the system are put forward. 3) the main coal quality parameters are analyzed, and the linear additivity of coal quality parameters in coal-burning ratio, the theory of logistics balance and safe inventory in purchasing process are discussed. Aiming at the optimization problems of coal blending ratio and purchasing plan, the mathematical models of coal blending ratio aiming at the lowest total cost of coal blending, and the mathematical model of purchasing plan aiming at the lowest total cost of purchasing link are established respectively. The linear programming software package lp_solve is introduced to solve the two models, and it is proved that the two models can obtain the optimal solutions. 4) based on the demand analysis and the optimization model as the core, the coal-fired auxiliary decision-making system is developed and implemented. The system adopts Flash Builder and MyEclipse integrated development environment, uses Flex Spring Hibernate framework to build service development platform, uses Oracle database, Tomcat server. The system can provide users with four core functions: basic data management, automatic coal blending, man-machine coal blending and coal procurement data management. The interface of the system is beautiful, the operation is convenient, and the effect of user experience is good. Finally, the model and the system are verified by the application of some practical problems in the system. The results show that the system can provide the users with the best solution and bring benefits to the actual production of the users.
【学位授予单位】：东北大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM621

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