Application and Improvement of ALARCTM-Jet - BSE Furnace Door C-O Lance Combined Blowing Technology for a 70 t AC Arc Furnace

陆宏祖

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Application and Improvement of ALARCTM-Jet - BSE Furnace Door C-O Lance Combined Blowing Technology for a 70 t AC Arc Furnace

更新时间：2026-01-21

- Application and Improvement of ALARCTM-Jet - BSE Furnace Door C-O Lance Combined Blowing Technology for a 70 t AC Arc Furnace
- Special Steel Vol. 29, Issue 3, Pages: 53-54(2008)
- 作者机构：
  
  新疆钢铁学校、新疆钢铁技工学校,乌鲁木齐,830022
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：08 December 2007，
  
  Online First：22 December 2022，
  
  Published：22 December 2008
- 稿件说明：
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陆宏祖. Application and Improvement of ALARCTM-Jet - BSE Furnace Door C-O Lance Combined Blowing Technology for a 70 t AC Arc Furnace[J]. Special Steel, 2008, 29(3): 53-54.
DOI：

陆宏祖. Application and Improvement of ALARCTM-Jet - BSE Furnace Door C-O Lance Combined Blowing Technology for a 70 t AC Arc Furnace[J]. Special Steel, 2008, 29(3): 53-54. DOI：

摘要

在70t DE EAF加铁水25%～45%的情况下

通过合理的供氧模式

根据钢中留碳量和磷含量的要求确定炉渣碱度等工艺措施

采用复合吹炼技术有效地实现脱磷和留碳操作

杜绝了大沸腾事故

铁耗、氧耗、煤气消耗和冶炼周期分别从工艺改进前的1075 kg/t、37 m

/t、8.1 m

/t和54 min降低至1072 kg/t、33 m

/t、7.7 m

/t和52 min。仅电耗从338 kWh/t增至344 kWh/t。

Abstract

With charging 25%～45% hot metal for a 70 t DC arc funace and using the operation measures such as reasonable oxygen supply mode

based on the requirement of kept back carbon content and phosphorus content in steel to determine slag basicity

it was available to realize dephosphorization and kept back carbon operation by combined blowing technology to avoid intense boilings accident

and the consumption of iron

oxygen and coal gas

and the tap to tap time de- creased respectively from original1075 kg/t

37m

8. 1m

/t and 54 min to1072kg/t

33m

7.7m

/t and 52 min

only the electrical power consumption increased from original 338 kWh/t to 344 kWh/t.

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