Effect of Modifying Agent on Melting Point and Desulphurizing Capacity of LATS Refining Slag

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Effect of Modifying Agent on Melting Point and Desulphurizing Capacity of LATS Refining Slag

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- Effect of Modifying Agent on Melting Point and Desulphurizing Capacity of LATS Refining Slag
- Special Steel Vol. 28, Issue 2, Pages: 63-65(2007)
- 作者机构：
  
  宝钢股份不锈钢分公司炼钢厂,上海,200431
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 December 2006，
  
  Online First：10 March 2023，
  
  Published：10 March 2007
- 稿件说明：
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李波. Effect of Modifying Agent on Melting Point and Desulphurizing Capacity of LATS Refining Slag[J]. Special Steel, 2007, 28(2): 63-65.
DOI：

李波. Effect of Modifying Agent on Melting Point and Desulphurizing Capacity of LATS Refining Slag[J]. Special Steel, 2007, 28(2): 63-65. DOI：

摘要

为减少LATS-OB精炼浸渍罩粘渣及提高浸渍罩寿命

分别用CaO-CaF

、CaO-B

及Li

O作为钢包渣的调质剂进行调质实验。熔渣半球点法的熔点测试结果表明

采用CaO／CaF

=1或2

CaO／B

=1或2和Li

O作调质剂能显著降低钢包渣的熔点;渣-金平衡试验表明

调质后的钢包渣可使钢中的硫含量进一步降低。

Abstract

The CaO-CaF

CaO-B

and Li

O were respectively used as modifying agent adding to ladle slag to decrease slag adhesion of LATS-OB refining immersion cover and increase service life of cover. Test results of melting point of slag measured by hemisphere method showed that using

CaO:CaF

=1~2

CaO:B

=1~2 or Li

O as modifying agent could remarkably decrease melting point of ladle slag. And metal-slag equilibrium test indicated that the sulphur content in steel further decreased by ladle slag added modifying agent.

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