某电厂DEH系统阀位控制逻辑优化探讨  

Probe into Valve Control Logic Optimization of DEH System in a Power Plant

作　　者：李展翅 李广[2] 黄伟钢[2] 宋战兵[2] 

机构地区：[1]湖南华电长沙发电有限公司,湖南长沙41000 [2]陕西电力科学研究院,陕西西安710054

出　　处：《陕西电力》2013年第1期87-90,共4页Shanxi Electric Power

摘　　要：通过实验,找出了2台600 MW汽轮机组的最佳阀位特性,提出了阀位控制逻辑修改方案,汽轮机生产厂家据此增加了顺序阀控制逻辑,优化了阀门开启顺序,机组经济性和综合煤耗均有所降低。试验的结果在同类型机组中具有较高的推广应用价值,同时对该类型机组设计、制造有指导意义。The paper finds out the best valve position characteristics of 2 600 MW steam turbines by experiments,and proposes the improvement program of valve control logic.Based on which the sequence valve control logic is added by turbine manufacturers,the valve open sequences is optimized,and the unit economy is improved and the integrated coal consumption is reduced.The experiments result is of better application value and the guiding significance for the design and manufacture of same type of the units.

关 键 词：混合阀 顺序阀 阀位控制逻辑 试验 

分 类 号：TK323[动力工程及工程热物理—热能工程]