Gas isolation method used during drying of hot-blast stove in iron works
A technology for hot blast stoves and iron smelting plants, which is applied in the field of gas isolation of hot blast stoves, can solve the problems of reddening of hot blast branch pipe shells, damage to refractory fiber blankets, affecting normal production, etc., and achieves the effect of ensuring construction period and safe and reliable use.
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[0011] The gas isolation method for the hot blast furnace in the ironmaking plant has been successfully applied in the 1#, 2# 1780 m3 blast furnace project of Jiujiang Steel Plant, and the 1080m3 blast furnace project of Jiujiang Steel Plant; the 1#, 2# 1780 m3 blast furnace project of Jiujiang Steel Plant The inner diameter of the hot air main pipe is 2368 mm, the thickness of the left and right partition walls are both 232 mm, the insulation layer between the left and right partition walls is ceramic fiber blanket, the insulation layer thickness is 10 mm, the refractory layer is refractory mud mixed with glass, and the refractory layer thickness is 2 mm, the construction period is shortened by 25 days, and the cost is reduced by 330,000 yuan; the inner diameter of the hot blast main pipe of the 1080 m3 blast furnace project of Jiujiang Steel Plant is 2368 mm, and the thickness of the left and right partition walls are both 232 mm. The insulation layer between th...
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