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Retrofit of Intelligent Combustion System for Rotary Hearth Furnace with Gas
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Li-zhi Lin1, Bin Wang2, Xin-yu Ma1, Xu Fang1
Rare Earth Steel | 2021, 47(3) : 35 - 37
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Rare Earth Steel | 2021, 47(3): 35-37
• Production Practice and Management •
Retrofit of Intelligent Combustion System for Rotary Hearth Furnace with Gas
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Li-zhi Lin1, Bin Wang2, Xin-yu Ma1, Xu Fang1
Affiliations
  • 1.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Boning Thermal Engineering (Tianjin) Co., Ltd., Tianjin 300000, China
Published: 2021-06-25 doi: 10.13647/j.cnki.btgkj.2021.03.010
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The rotary hearth furnace with gas of Φ180 mm plant unit in Steel Tube Co. of Baotou Steel is the most important equipment in the process of producing and rolling steel tube. In this paper, it is analyzed such defects as unstable calorific value of gas, inaccurate flow element measurement and deviated flow characteristic of valve for combustion control system of rotary hearth furnace with gas as well as adopted such reformation measures of its intelligent upgrade as upgrading the temperature control program, introducing strategy of autocorrection for coefficient of excess air, reserving automatic regulation interface of air fuel ratio, newly increasing automatic control of pressure in air main, automatic control software of furnace pressure, functions of automatic starting up and air-tight test, basic alarm of loop and interlock. Finally, the stable intelligent combustion system is realized.

rotary hearth furnace with gas  /  modification control program  /  intelligent combustion system
蔺俐枝, 王滨, 马新宇, 房旭. 煤气环形加热炉智能燃烧系统改造. 包钢科技, 2021 , 47 (3) : 35 -37 . DOI: 10.13647/j.cnki.btgkj.2021.03.010
Li-zhi Lin, Bin Wang, Xin-yu Ma, Xu Fang. Retrofit of Intelligent Combustion System for Rotary Hearth Furnace with Gas[J]. Science & Technology of Baotou Steel, 2021 , 47 (3) : 35 -37 . DOI: 10.13647/j.cnki.btgkj.2021.03.010
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Year 2021 volume 47 Issue 3
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Article Info
doi: 10.13647/j.cnki.btgkj.2021.03.010
  • Receive Date：2021-05-06
  • Online Date：2026-10-20
  • Published：2021-06-25
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History
  • Received：2021-05-06
Affiliations
    1.Steel Tube Co. of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
    2.Boning Thermal Engineering (Tianjin) Co., Ltd., Tianjin 300000, China
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https://castjournals.cast.org.cn/joweb/xtg/EN/10.13647/j.cnki.btgkj.2021.03.010
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
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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