电厂汽轮机组负胀差值超标的分析及处理  

Analysis and treatment of off- standard of negative differential expansion of power plant turboset

作　　者：刘涛[1] 冷传英[1] 刘丽[2] 霍久山[1] 吕艳丽[3] 刘敏[2] 

机构地区：[1]大庆石化公司热电厂,黑龙江大庆163714 [2]大庆石化公司矿区服务事业部,黑龙江大庆163714 [3]大庆石化公司物资供应中心,黑龙江大庆163714

出　　处：《炼油与化工》2014年第5期30-32,62,共3页Refining And Chemical Industry

摘　　要：大庆石化公司热电厂4#汽轮机组负胀差值超标,文中分析了该机组运行状况和参数,对机组汽封漏汽及热力系统管路进行合理改造,解决了机组负胀差超标及六段抽汽超温问题,保证机组安全平稳运行。The negative differential expansion of turboset in the thermal power plant was off-standard. The condition and parameters of this turboset was analyzed in this paper,reasonable modification was made to gland leak-off and thermal system pipeline,the problems of off-standard turboset’s negative differential expansion and the sixth extraction opening overheating were solved and the safe and smooth operation of the turboset was ensured.

关 键 词：负胀差 汽封漏气 抽汽温度 汽轮机 

分 类 号：TM621[电气工程—电力系统及自动化]