1 概述韶关发电厂8、9#炉为XX-670/140-10型自然循环炉,汽包工作压力为15.8MPa,再热蒸汽流量为588t/h,再热蒸汽进口温度为314℃,出口汽温为540℃,炉膛出口温度约1200℃;锅炉采用“П”型布置,炉膛四周为膜式水冷壁,炉膛宽度和深度为11660mm,燃烧器为直流燃烧器,布置在炉膛的正四角。炉膛顶部出口水平烟道和尾烟道按烟气流向依次布置对流过热器、高温过热器,转向室四周有包墙管过热器、低温再热器、省煤器和空气预热器。 1 Overview Shaoguan Power Plant 8,9 # furnace for the XX-670 / 140-10-type natural circulation furnace, steam drum working pressure of 15.8MPa, reheat steam flow of 588t / h, reheat steam inlet temperature of 314 ℃, exports The temperature of the steam is 540 ℃, the outlet temperature of the furnace is about 1200 ℃. The boiler is arranged in “П” type. The wall of the furnace is membrane water wall, the width and depth of the hearth is 11660mm, the burner is a direct current burner, Four corners. The horizontal flue and tail channel at the top of the furnace exit are arranged according to the direction of the flue gas convection superheater, high temperature superheater, surrounded by the wall tube superheater, low temperature reheater, economizer and air preheater around the steering chamber.