垃圾焚烧发电工程提高热效率的措施  

Method to improve waste incineration power plant efficiency

作　　者：鞠付栋 孙永斌 聂会建 袁雄俊 彭红文 JU Fudong;SUN Yongbin;NIE Huijian

机构地区：[1]中国电力工程顾问集团华北电力设计院有限公司,北京100120

出　　处：《电力科技与环保》2020年第3期53-56,共4页Electric Power Technology and Environmental Protection

摘　　要：提高垃圾焚烧发电厂热效率可有效提升垃圾焚烧电厂的经济性。在总结目前国内外垃圾焚烧发电技术发展和应用的基础上,探讨了焚烧锅炉提效优化、汽轮机优化选型和热力系统优化等措施,以提高提高垃圾焚烧发电热效率和吨垃圾发电量。根据目前的技术条件,通过提高锅炉效率、合理的机组选型、热力系统优化等基本措施,具备垃圾焚烧发电效率从目前的22%~25%提高到32%的潜力。在进行垃圾焚烧发电系统设计时,可根据项目具体条件和要求,结合方案技术经济比选,综合权衡选择所采用的具体提效措施,确保提效方案的技术可行性和项目的经济效益。Waste incineration power generation efficiency has a great influence in the project economics because of the current waste treatment financial indemnity policy.Based on a summarization of the current waste incineration power generation technology investigation and application,a comprehensive analysis was conducted including the boiler efficiency improvement,steam turbine lectotype optimization and thermal cycle improvement,which play positive effects on the efficiency improvement potential from current 22%~25%to 32%.The optimal measure to improve efficiency for a specific project should be selected based on the detailed conditions and requirements,and a technical and economic comparison was always a necessary step to make the final decision.

关 键 词：垃圾焚烧 锅炉热损失 汽轮机 热力系统优化 

分 类 号：TM761[电气工程—电力系统及自动化]