XIE Jian-yong1, DAI Cheng-feng2, YING Ming-liang3, et al. CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF[J]. Thermal power generation, 2007, (6): 55-57.
DOI:
XIE Jian-yong1, DAI Cheng-feng2, YING Ming-liang3, et al. CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF[J]. Thermal power generation, 2007, (6): 55-57. DOI: 10.19666/j.rlfd.2007.06.013.
CAUSE ANALYSIS OF ASH CLOGGING IN REGENERATIVE AIR HEATER AND PREVENTIVE MEASURES THEREOF
摘要
介绍了北仑发电有限公司二期3×600 MW机组锅炉空气预热器(空预器)堵灰情况
并就影响空预器阻力变化的各种因素进行了分析
提出了有效抑制空预器阻力过快上升的技术措施。通过技术改造
实现了空预器在线水冲洗
解决了停机进行空预器冲洗而影响机组运行的问题。
Abstract
The situation of ash clogging in air heater of boilers for three 600 MW units in second-phase project of Beilun Power Generation Co Ltd has been presented
and various factors affecting the resistance variation in air heater being analysed
putting forward technical measures for effectively suprressing rapid resistance increase in the air heater. After technical retrofit
on-line water flushing of the air heater has been realized
solving the problem of water flushing during shut-down.