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A furnace atmosphere control strategy that took into account both fuel combustion and the heating process of the slab in the hot rolling reheating furnace was proposed to address the issue of oxide scale formation on the slab. By setting a weakly reducing atmosphere with a smaller air excess coefficient in the soaking zone and an oxidizing atmosphere with a larger air excess coefficient in the heating zone, and combining the"flue gas oxygen content feedback + gas calorific value feedforward" air-fuel ratio control method, the formation of oxide scale on high-temperature slabs could be effectively suppressed. Based on this control strategy, an atmosphere control system for the reheating furnace was established. Under the condition of ensuring a slag removal cycle of 7 months for the reheating furnace, the average oxidation burning loss rate of the steel billet decreased from 1.41% to 1.02%. This system provided a reference for the atmosphere adjustment of similar reheating furnaces.

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针对板坯在轧钢加热炉中产生氧化铁皮的问题,提出了一种兼顾燃料燃烧和板坯加热过程的加热炉炉内气氛控制策略。通过将均热段采用较小的空气过剩系数设为弱还原气氛、加热段采用较大的空气过剩系数设为氧化性气氛,结合“烟气氧含量反馈+煤气热值前馈”的空燃比控制方式,可有效抑制高温钢坯的氧化铁皮生成。基于该控制策略建立了加热炉气氛控制系统,在保证加热炉清渣周期为7个月的条件下,钢坯平均氧化烧损率从1.41%下降到1.02%,该系统为同类加热炉气氛调整提供了参考。

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艾铖珅,高级工程师,2003年毕业于东北大学材料成型及控制工程专业。E-mail:

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热轧加热炉气氛控制应用实践
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艾铖珅 1 , 张天赋 2 , 王进臣 3
鞍钢技术 | 生产实践 2026,(2): 68-72
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鞍钢技术 | 生产实践 2026, (2): 68-72
热轧加热炉气氛控制应用实践
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艾铖珅1 , 张天赋2, 王进臣3
作者信息
  • 1.鞍钢股份有限公司鲅鱼圈钢铁分公司,辽宁 营口 115007
  • 2.鞍钢集团钢铁研究院,辽宁 鞍山 114009
  • 3.鞍钢股份有限公司热轧带钢厂,辽宁 鞍山 114021
  • 艾铖珅,高级工程师,2003年毕业于东北大学材料成型及控制工程专业。E-mail:

Application Practice of Atmosphere Control for Reheating Furnace in Hot Strip Mill
Chengshen AI1 , Tianfu ZHANG2, Jinchen WANG3
Affiliations
  • 1.Bayuquan Branch of Angang Steel Co., Ltd., Yingkou 115007, Liaoning, China
  • 2.Ansteel Iron & Steel Research Institutes, Anshan 114009, Liaoning, China
  • 3.Hot Rolled Strip Steel Mill of Angang Steel Co., Ltd., Anshan 114021, Liaoning, China
doi: 10.3969/j.issn.1006-4613.2026.02.008
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针对板坯在轧钢加热炉中产生氧化铁皮的问题,提出了一种兼顾燃料燃烧和板坯加热过程的加热炉炉内气氛控制策略。通过将均热段采用较小的空气过剩系数设为弱还原气氛、加热段采用较大的空气过剩系数设为氧化性气氛,结合“烟气氧含量反馈+煤气热值前馈”的空燃比控制方式,可有效抑制高温钢坯的氧化铁皮生成。基于该控制策略建立了加热炉气氛控制系统,在保证加热炉清渣周期为7个月的条件下,钢坯平均氧化烧损率从1.41%下降到1.02%,该系统为同类加热炉气氛调整提供了参考。

加热炉  /  气氛控制  /  空气过剩系数  /  氧化铁皮

A furnace atmosphere control strategy that took into account both fuel combustion and the heating process of the slab in the hot rolling reheating furnace was proposed to address the issue of oxide scale formation on the slab. By setting a weakly reducing atmosphere with a smaller air excess coefficient in the soaking zone and an oxidizing atmosphere with a larger air excess coefficient in the heating zone, and combining the"flue gas oxygen content feedback + gas calorific value feedforward" air-fuel ratio control method, the formation of oxide scale on high-temperature slabs could be effectively suppressed. Based on this control strategy, an atmosphere control system for the reheating furnace was established. Under the condition of ensuring a slag removal cycle of 7 months for the reheating furnace, the average oxidation burning loss rate of the steel billet decreased from 1.41% to 1.02%. This system provided a reference for the atmosphere adjustment of similar reheating furnaces.

reheating furnace  /  atmosphere control  /  excess air coefficient  /  oxide scale
艾铖珅, 张天赋, 王进臣. 热轧加热炉气氛控制应用实践. 鞍钢技术, 2026 , (2) : 68 -72 . DOI: 10.3969/j.issn.1006-4613.2026.02.008
Chengshen AI, Tianfu ZHANG, Jinchen WANG. Application Practice of Atmosphere Control for Reheating Furnace in Hot Strip Mill[J]. Angang Technology, 2026 , (2) : 68 -72 . DOI: 10.3969/j.issn.1006-4613.2026.02.008
2026年第卷第2期
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doi: 10.3969/j.issn.1006-4613.2026.02.008
  • 首发时间:2026-06-03
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  • 修回日期:2025-09-12
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    1.鞍钢股份有限公司鲅鱼圈钢铁分公司,辽宁 营口 115007
    2.鞍钢集团钢铁研究院,辽宁 鞍山 114009
    3.鞍钢股份有限公司热轧带钢厂,辽宁 鞍山 114021
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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