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Soft skimming plug and manufacturing method thereof

A manufacturing method and a technology for a slag blocking plug, which are applied in the metallurgical field, can solve the problems of unsatisfactory slag blocking effect of the slag blocking plug, erosion of the steel outlet, etc., and achieve the effects of adjusting the opening time, reducing the amount of slag, and improving the quality.

Inactive Publication Date: 2013-11-27
莱芜钢铁集团泰东实业有限公司
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Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects of unsatisfactory slag blocking effect and serious corrosion on the taphole in the prior art, so as to provide a slag blocking plug with obvious slag blocking effect

Method used

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  • Soft skimming plug and manufacturing method thereof

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Embodiment Construction

[0024] The present invention will be further described now in conjunction with accompanying drawing.

[0025] refer to figure 1 , the soft slag stopper of the present invention includes a central steel pipe 5, a cold-rolled stamped steel sheet 1, a compressible movable cold-rolled stamped steel sheet 4, a refractory plastic 3 and a plastic film 2; wherein, the cold-rolled stamped steel sheet 1 Welded on the front end of the central steel pipe 5, the compressible movable cold-rolled stamped steel sheet 4 is sleeved on the rear end of the central steel pipe 5 and can slide along the central steel pipe 5, and the cold-rolled stamped steel sheet 1 1. A fire-resistant plastic 3 is arranged between the compressible movable cold-rolled stamping steel sheets 4, and the plastic film 2 is wrapped outside the fire-resistant plastic 3.

[0026] Each part of the soft slag stopper of the present invention will be further described below. The refractory plastic 3 is an amorphous refractory...

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Abstract

The invention relates to a soft skimming plug which comprises a central steel tube, a cold-rolled stamped steel sheet, a compressible movable cold-rolled stamped steel sheet, a refractory plastic material and a plastic film, wherein the cold-rolled stamped steel sheet is welded at the front end of the central steel tube; the compressible movable cold-rolled stamped steel sheet is sheathed on the back end of the central steel tube and can slide along the central steel tube; the refractory plastic material is arranged between the cold-rolled stamped steel sheet and the compressible movable cold-rolled stamped steel sheet; and the plastic film is wrapped outside the refractory plastic material.

Description

technical field [0001] The invention relates to the technical field of metallurgy, in particular to a soft slag stopper and a manufacturing method thereof. Background technique [0002] In recent years, varieties of steel with high added value have become popular. Compared with the steelmaking production process of ordinary steel, variety steel has higher requirements on the steelmaking production process. The high requirements of the steelmaking production process inevitably include high requirements for refractory materials, and one of the key factors is to ensure that the requirements for the amount of slag discharged from the converter are met. [0003] In steelmaking production, effective measures to reduce the amount of slag after tapping can not only greatly reduce the consumption of alloys, but also create favorable conditions for subsequent operations and reduce the difficulty of operation, especially in the production of variety steel. The significance of tapping...

Claims

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Application Information

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IPC IPC(8): C21C5/46
Inventor 巩秀民
Owner 莱芜钢铁集团泰东实业有限公司
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