HUANG Jin, CHEN Ji-gang. ANALYSIS OF TUBE-BURST DUE TO HYDROGEN DAMAGE OF WATER-WALL IN BOILER OF HUANENG FUZHOU POWER PLANT[J]. Thermal power generation, 2006, (11): 68-71.
DOI:
HUANG Jin, CHEN Ji-gang. ANALYSIS OF TUBE-BURST DUE TO HYDROGEN DAMAGE OF WATER-WALL IN BOILER OF HUANENG FUZHOU POWER PLANT[J]. Thermal power generation, 2006, (11): 68-71. DOI: 10.19666/j.rlfd.2006.11.025.
ANALYSIS OF TUBE-BURST DUE TO HYDROGEN DAMAGE OF WATER-WALL IN BOILER OF HUANENG FUZHOU POWER PLANT
Directing against the tube-burst failure of water-wall in boiler no.2 of Huaneng Fuzhou Power Plant
through test and analysis of related tube samples
it is believed that the said failure is due to tube-burst of hydrogen damage resulting from unsuitable acid cleaning with citric acid solution.The characteristics of hydrogen corrosion damage under scale caused by citric acid have been analysed
and the said hydrogen damage under scale being preliminarily approached. After adopting hydroxyacetic acid + formic acid to carry out cleaning again
the hidden peril has been removed.So far
the water-wall of boiler no.2 is in normal operation
corrosion and hydrogen demage under scale haven't been discovered again.