K-320-23.5-4型机组大负荷区主抽气器不同运行方式的技术经济性分析  

Technical and Economic Analysis of Different Operating Modes for Main Aspirator of K-320-23.5-4 Large Load Area

作　　者：宋德宇 

机构地区：[1]华能营口仙人岛热电有限责任公司,辽宁营口115009

出　　处：《沈阳工程学院学报（自然科学版）》2018年第1期31-34,共4页Journal of Shenyang Institute of Engineering:Natural Science

摘　　要：根据某电厂机组运行中的实际经验数据,对引进的K-320-23.5-4型超临界机组在大负荷区,主抽气器投用1台与2台时的工作效益差做了计算说明,从而否定了只要能保证发电机组出力,即使凝汽器真空不好也不愿多投主抽气器这一影响较深的传统观念,提高了机组效率,实现了节能降耗,同时对同类型大机组寻求经济合理的运行方式,具有一定的借鉴意义。According to the traditional view,as long as the output of generator set can be guaranteed,it is unwilling to invest more extractor even if the poor condenser vacuum.The actual operation data of one 23.5-4 type supercritical unit in the large load area in a power plant when one main aspirator or two sets were put into work verified that this traditional concept was incorrect and more main aspirator in operation could improve the unit efficiency so as to achieve the energy saving.The result can provide some reference for the economical and reasonable operation of the same type large units.

关 键 词：主抽气器 不同运行方式 技术经济性分析 

分 类 号：TK264.1[动力工程及工程热物理—动力机械及工程]