摘要
针对600MW亚临界汽包炉再热汽温偏低的问题,依据锅炉的运行数据,分析了影响再热汽温提升的因素,并提出了3个再热器改造方案。对各改造方案进行热力计算后,选择了较为合适的方案。通过系统改造,提升了再热汽温,同时,降低了煤耗和排烟温度,提高了机组的运行效率。
Aiming at the problem of low reheat steam temperature of 600 MW subcritical drum boiler, according to the operation data, the restricting factors to improve the reheat steam temperature have been found out, and 3 reheater reconstruction scheme have been put forward. After thermal calculation, the most suitable reconstruction scheme has been chosen. After the completion of the system reconstruction the reheat steam temperature has been increased, the coal consumption and flue gas temperature has been reduced and the boiler efficiency has been increased.
作者
李宗耀
平玉环
LI Zong-yao PING Yu-huan(Hebei Guohua Dingzhou Power Generation Co. , Ltd. , Dingzhou 073000, Hebei, China North China Electric Power University, Baoding 071003, Hebei, China)
出处
《电站辅机》
2017年第3期17-20,共4页
Power Station Auxiliary Equipment
关键词
亚临界
汽包
锅炉
汽温
再热器
改造
热力计算
校核
subcritical
drum
boiler
steam temperature
reheater
reconstruction
thermal checking calculation
check
