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采用气 -固两相流动数值模拟方法 ,分析了 1 0 0 0t/h直流锅炉水冷壁高温腐蚀的原因 ,指出直流燃烧器前后墙矩形布置导致烟气贴壁 ,不合理配风使壁面附近缺氧是造成水冷壁高温腐蚀的主要原因
The gas-solid two-phase flow numerical simulation method was used to analyze the reason of high temperature corrosion of water wall of 1 000 t / h once-through boiler. It was pointed out that the rectangular arrangement of front and rear wall of the DC burner caused the flue gas to adhere to the wall, Oxygen is the main cause of water wall corrosion at high temperature