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Improvement of fuel consumption and maintenance of heating furnaces using a modified heating pattern 被引量:1

Improvement of fuel consumption and maintenance of heating furnaces using a modified heating pattern
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摘要 This article studies the transient heat conduction in a slab when passing through various sections of the furnace, and focuses on the thickness of the scale layer formed on the slab. The transient heat conduction behavior of a slab in various sections of the heating furnace is analyzed using the Laplace transformation method, including the pre-heating zone, the first heating zone, the second heating zone, and the soaking zone. The heating pattern of the furnace is then modified to reduce fuel consumption. The simulation results show that the scale layer formed on the slab significantly influences the quality of the hot rolled coil formed, and how the furnace parameters affect the efficiency of the furnace and the quality of the coil. This article studies the transient heat conduction in a slab when passing through various sections of the furnace, and focuses on the thickness of the scale layer formed on the slab. The transient heat conduction behavior of a slab in various sections of the heating furnace is analyzed using the Laplace transformation method, including the pre-heating zone, the first heating zone, the second heating zone, and the soaking zone. The heating pattern of the furnace is then modified to reduce fuel consumption. The simulation results show that the scale layer formed on the slab significantly influences the quality of the hot rolled coil formed, and how the furnace parameters affect the efficiency of the furnace and the quality of the coil.
出处 《Journal of University of Science and Technology Beijing》 CSCD 2007年第1期27-32,共6页 北京科技大学学报(英文版)
关键词 heating furnace heat conduction preheating zone heating zone soaking zone Laplace transformation heating furnace heat conduction preheating zone heating zone soaking zone Laplace transformation
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参考文献10

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同被引文献8

  • 1田红,蔡九菊,赵渭国.蓄热式火焰炉的热工特性[J].东北大学学报(自然科学版),2006,27(5):505-508. 被引量:2
  • 2Chen W H, Chung Y C, Liu J L. Analysis on energy consumption and perfommnce of reheating furnaces in a hot strip mill[J ]. International Communications in Heat and Mass Transjer, 2005,32(5) :695 - 706.
  • 3Li Q, Chen L, Wu F, et al. Optimal exergy-efficicency of a thermoacoustic cooler with a complex heat-transfer exponent [J]. Applied Energy, 2008,85(7) :634 - 640.
  • 4Kim M Y. A heat transfer model for the analysis of transient heating of the slab in a direct-fired walking beam type reheating furnace [J ]. International Journal of Heat and Mass Transfer, 2007,50(19/20) :3740 - 3748.
  • 5Keramida E P, Liakos H H, Founti M A, et al, Radiative heat transfer in natural gas fired furnaces[J]. International Journal of Heat and Mass Transfer , 2000,43(10) : 1801 - 1809.
  • 6Coelho P J, Goncalvas J M, Carvalho M G, et al. Modeling of radiative heat transfer in enclosures with obstacles [ J ]. International Journal of Heat and Mass Transfer , 1998,41 (4/5) :745 - 756.
  • 7Bansal P K, Purkayastha B. A NTU ε model for alternative refrigerants [ J ]. International Journal of Refrigeration, 1998,21 (5) :381 - 397.
  • 8Sun W Q, Cai J J, Xie G W. Application research on energysaving of continuous heating furnaces based on thermal value theory[ C]//Proceedings of First International Conference on Applied Energy. Hong Kong, 2009 : 614 - 620.

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