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Volume 6 Issue 3
Sep.  1999
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Susen Cheng, Qingguo Xue, Weiguo Yang, kaolin Wu, and Tianjun Yang, Designing for Long Campaign Life Blast Furnace (1)──The Mathematical Model of Temperature Field for Blast Furnace Lining and Cooling Apparatus and New Concept of Long Campaignship Blast Furnace Cooler Design, J. Univ. Sci. Technol. Beijing, 6(1999), No. 3, pp. 178-182.
Cite this article as:
Susen Cheng, Qingguo Xue, Weiguo Yang, kaolin Wu, and Tianjun Yang, Designing for Long Campaign Life Blast Furnace (1)──The Mathematical Model of Temperature Field for Blast Furnace Lining and Cooling Apparatus and New Concept of Long Campaignship Blast Furnace Cooler Design, J. Univ. Sci. Technol. Beijing, 6(1999), No. 3, pp. 178-182.
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Metallurgy

Designing for Long Campaign Life Blast Furnace (1)──The Mathematical Model of Temperature Field for Blast Furnace Lining and Cooling Apparatus and New Concept of Long Campaignship Blast Furnace Cooler Design

  • The physical and mathematical model of temperature field for blast furnace stave coolers was established. The computation results show that the heat resistance of 2-6 mm water scale within the cooling pipe is about 7%-20% of the total heat resistance of cooling stave body, as for drilling duct type, the heat resistance of 2-6 mm water scale is about 88%-98% of the total heat resistance. Using drilling duct or full cast pipe can eliminate gas clearance and coating layer between pipes and cast iron body and reduce the heat resistance of the cooler sharply and improve the coefficient of heat transfer to a great extent. The water velocity within coolers can be kept at the level of 0.5-1.5 m/s, the higher water velocity can not decrease the hot surface temperature, but can increase energy consumption for cooling water.
  • Metallurgy

    Designing for Long Campaign Life Blast Furnace (1)──The Mathematical Model of Temperature Field for Blast Furnace Lining and Cooling Apparatus and New Concept of Long Campaignship Blast Furnace Cooler Design

    + Author Affiliations
    • The physical and mathematical model of temperature field for blast furnace stave coolers was established. The computation results show that the heat resistance of 2-6 mm water scale within the cooling pipe is about 7%-20% of the total heat resistance of cooling stave body, as for drilling duct type, the heat resistance of 2-6 mm water scale is about 88%-98% of the total heat resistance. Using drilling duct or full cast pipe can eliminate gas clearance and coating layer between pipes and cast iron body and reduce the heat resistance of the cooler sharply and improve the coefficient of heat transfer to a great extent. The water velocity within coolers can be kept at the level of 0.5-1.5 m/s, the higher water velocity can not decrease the hot surface temperature, but can increase energy consumption for cooling water.
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