燃煤火电厂脱硫系统烟气换热器密封技术改进及应用  

Gas-Gas Heater Sealing Technology Improvement and Application for Desulfurization System of a Coal-fired Power Plant

作　　者：李红[1] 张全胜 

机构地区：[1]中国神华煤制油化工有限公司,北京100011 [2]郑州亚宏电力设备有限公司,郑州450051

出　　处：《发电设备》2014年第4期310-312,共3页Power Equipment

摘　　要：针对燃煤火电厂600MW等级发电机组锅炉烟气脱硫系统GGH设备存在的漏风问题,结合设备的设计、施工、运行、维护等环节,对解决GGH漏风的密封技术进行改进性研究,提出了弹性双层可调密封,已在电厂实际应用。To solve the air MW coal-fired boiler, studies leakage problem in desulfurization system gas-gas heater （GGH） of a 600 were carried out for improvement of the GGH sealing technology in the aspect of equipment design, construction, operation and maintenance, etc., after which countermeasures were proposed and implemented by adopting adjustable elastic bi-layer seals.

关 键 词：锅炉 脱硫系统 烟气换热器 漏风 密封 

分 类 号：TK172[动力工程及工程热物理—热能工程]