CHENG Zhihong Guangdong Zhuhai Jinwan Power Generation Co Ltd. CAUSE ANALYSIS OF TUBE-BURST IN FINAL-STAGE SUPERHEATER OF BOILER EQUIPPED FOR SUPERCRITICAL 600 MW UNIT AND PREVENTIVE MEASURES THEREOF[J]. Thermal power generation, 2011, 40(7): 81-83.
CHENG Zhihong Guangdong Zhuhai Jinwan Power Generation Co Ltd. CAUSE ANALYSIS OF TUBE-BURST IN FINAL-STAGE SUPERHEATER OF BOILER EQUIPPED FOR SUPERCRITICAL 600 MW UNIT AND PREVENTIVE MEASURES THEREOF[J]. Thermal power generation, 2011, 40(7): 81-83.DOI:
The situation of tube-burst due to oxide skin fall-off leading to blockage in final-stage superheater of Jinwan Power Generation Co Ltd has been presented.From aspects of maintenance and operation etc.for the boiler
preventive measures for controlling oxide skin formation and fall-off in the superheater
such as replacing tubes
controlling steam temperature
reducing heat deviation in combustion
controllng temperature rising speed
controlling temperature reducing speed
and strictly controlling water quality for cold and hot water flushing etc.