In the two front and back-walls opposed firing boilers of a power pant,serious slagging problem was occurred after unplanned overhaul. Aiming at this problem,the reasons of slagging were analyzed. Some measures,such as to cntrol the quality of as fired coal and to adjust the operation parameters and combustion mode,were adopted,and the slsgging phenmenon was obviously improved.
Water Conservancy ＆ Electric Power Machinery
front and back-walls opposed firing boiler
fineness of pulverized coal
air dynamic field