再热双抽背压机组的主汽参数控制策略研究  

Study on Control Strategy of Main Steam Parameters of Reheat Double Extraction Back Pressure Unit

作　　者：刘晓燕[1] 侯明军[1] 罗方[1] 谢林贵 宋放放 范立华 LIU Xiaoyan;HOU Mingjun;LUO Fang;XIE Lingui;SONG Fangfang;FAN Lihua(Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000)

机构地区：[1]东方汽轮机有限公司,四川德阳618000

出　　处：《东方汽轮机》2020年第3期21-24,28,共5页Dongfang Turbine

基　　金：中国华电集团有限公司重大科技项目计划(CHDKJ19-01-88)。

摘　　要：常规汽轮机基本采用滑压运行方式,该运行方式以机组负荷为变量,控制机组各负荷在设计或最佳的主蒸汽压力下运行,该控制策略在一定程度上并不适用于再热双抽背压机组。文章探讨一种更适用于供热机型的主汽参数控制策略,经研究分析,采用该控制方案得到的主汽参数目标值与设计值偏差较小,也为其他供热机的组安全经济运行提供参考。The conventional turbine basically adopts the sliding pressure operation mode,which takes the unit load as a variable and controls the unit loads to operate under the designed or optimal main steam pressure.This control strategy is less applicable to the reheat double extraction back pressure unit.This paper discusses a control strategy of throttle parameters which is more suitable for heating unit.Through research and analysis,the target value of throttle parameters obtained by using this control scheme has a small deviation from the design value,which also provides a reference for other heating units to operate safely and economically.

关 键 词：汽轮机 供热 主汽压力 主汽温度 控制 

分 类 号：TK262[动力工程及工程热物理—动力机械及工程]