Experimental Research on Optimum Ingredient and Dosage of Lime-Based Hot Metal Predesulphurizer

张羡夫; 方岩; 杨艳玲

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Experimental Research on Optimum Ingredient and Dosage of Lime-Based Hot Metal Predesulphurizer

更新时间：2026-01-21

- Experimental Research on Optimum Ingredient and Dosage of Lime-Based Hot Metal Predesulphurizer
- Special Steel Vol. 27, Issue 3, Pages: 8-10(2006)
- 作者机构：
  
  1. 河北理工大学冶金与能源学院,唐山,063009
  2. 唐山国丰钢铁集团有限公司,唐山,063300
  3. 上海交通大学材料科学与工程学院,上海,200030
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：26 December 2005，
  
  Online First：09 March 2023，
  
  Published：09 March 2006
- 稿件说明：
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张羡夫, 方岩, 杨艳玲. Experimental Research on Optimum Ingredient and Dosage of Lime-Based Hot Metal Predesulphurizer[J]. Special Steel, 2006, 27(3): 8-10.
DOI：

张羡夫, 方岩, 杨艳玲. Experimental Research on Optimum Ingredient and Dosage of Lime-Based Hot Metal Predesulphurizer[J]. Special Steel, 2006, 27(3): 8-10. DOI：

摘要

根据铁水预脱硫反应的热力学函数和脱硫反应速率

分析了有利于铁水预脱硫的条件。用10kg中频感应炉及无级变速螺旋搅拌器进行了石灰基铁水预脱硫试验

通过正交试验

得出使用成分为44%石灰、3%焦炭、22%电石、18%萤石、13%工业碱和用量为10 kg/t的脱硫剂对铁水进行预脱硫

可使硫含量降至0.010%0.013%

脱硫率达86.25%。

Abstract

Based on thermodynamic function of hot metal predesulphurizing reaction and desulphurizing reaction rate

the conditions beneficial to hot metal predesulphurization was analyzed. The test of lime-based hot metal predesulphurization was carried out by a 10 kg medium frequency induction furnace with stepless speed changing screw stirrer

and based on orthogonal experiment it was obtained that as the hot metal was predesulphurized by using predesulphurizer of 44% lime

3% coke

22% calcium carbide

18% fluorite and 13% industrial alkali with dosage 10 kg/t

the sulphur content in metal decreased to 0.010% 〜0.013%

the desulphurizing rate was up to 86.25% .

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