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Sliding brick for converter sliding plate quick change slag-stopping tapping device

A technology of skateboard bricks and skateboards, which is applied in the direction of manufacturing converters, etc., can solve the problems of short lifespan of skateboard bricks and affecting the production rhythm of converter smelting.

Inactive Publication Date: 2012-10-17
马鞍山市雨山冶金新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the short service life of single-material sliding bricks, the service life of a set of sliding bricks is generally 10 to 15 furnaces, and must be replaced every shift, and each replacement takes about 15 minutes, which affects the production rhythm of converter smelting

Method used

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  • Sliding brick for converter sliding plate quick change slag-stopping tapping device
  • Sliding brick for converter sliding plate quick change slag-stopping tapping device
  • Sliding brick for converter sliding plate quick change slag-stopping tapping device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0109] The fixed skateboard bricks, quick-change skateboard bricks, and sliding skateboard bricks in Embodiment 1 are in the shape of an oval convex step, and steel hoops and steel sleeves are provided on the periphery of all skateboard bricks; the sliding skateboard bricks and sliding nozzle bricks in another embodiment are Concave and tenon connection, the shape of the skateboard brick is also oval-shaped convex step type, steel hoops are provided around the skateboard brick, except for the sliding surface, there are steel sleeves around the skateboard and the bottom surface, and there is filling mud between the steel sleeve and the skateboard brick. The sliding nozzle brick is a thickened low step, compared with the prior art, it reduces cracking during use and is conducive to improving the service life.

[0110] In order to improve the service life of the sliding brick, a zirconium tube is inlaid in the flow steel hole of the brick body, and a zirconium plate is inlaid on t...

Embodiment 1

[0116] See Image 6 , 7 8. Put the steel hoop 7 and the brick body (brick body) 6 into red sets, and then use the filler material 9 and the steel set 8 to assemble and dry together, then grind the two H surfaces of the skateboard bricks to the specified size. Or first grind the two H surfaces of the skateboard brick 6 to a specified size, then put the steel hoop 7 red on the skateboard brick 6, and then assemble it in the steel sleeve 8 and fill it with filler 9.

Embodiment 2

[0118] See Figure 9 , 10 , 11, 12, 13, 14, first grind the sliding surface H of the sliding brick 6, then red cover the steel hoop 7, then assemble with the steel sleeve 8 and fill it with filler 9.

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Abstract

The invention discloses a sliding brick for converter sliding plate quick change slag-stopping tapping device. The sliding brick comprises a steel flowing hole fixed nozzle brick penetrating through the brick body, a connecting nozzle brick, a fixed sliding brick, a quick change sliding brick, a slidable sliding brick and a slidable nozzle brick. Steel flowing holes of the fixed nozzle brick, the connecting nozzle brick, the fixed sliding brick, the slidable sliding brick and the slidable nozzle brick are completely overlapped. The quick change sliding brick is arranged at one side of the fixed sliding brick. The sliding brick has the following characteristics: the connecting nozzle brick is in an oval shape, and is provided with a plate pressing slot on an upper end surface and a lower end surface; the fixed sliding brick, the quick change sliding brick and the slidable sliding brick are all in oval convex step shape; and the sliding nozzle brick is in a straight barrel lower convex step inversion shape. The sliding brick for converter sliding plate quick change slag-stopping tapping device of the invention has advantages of simple structure, long service life, suitability for converter sliding plate quick change slag-stopping tapping device, improvement on the slag-stopping effect and convenience for replacement.

Description

technical field [0001] The invention relates to a refractory material for a mechanical device used to control the flow rate of a liquid metal outlet, and in particular to a sliding brick used in a converter sliding plate quick-change slag-stopping tapping device. Background technique [0002] Steel slag produced in converter steelmaking is harmful, and the slag produced during converter steelmaking includes three parts: early slag, process slag and late slag. At present, the slag blocking method widely used in converter tapping at home and abroad is to use slag blocking caps to block early slag, and to use slag blocking balls and slag blocking plugs (slag blocking darts) to block middle and late slag. In addition, pneumatic slag blocking and infrared slag detection methods have gradually been applied in converter tapping slag control. Slag can hardly be controlled, and the introduction of steel slag affects the quality of molten steel. [0003] As an important component of...

Claims

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Application Information

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IPC IPC(8): C21C5/46
Inventor 杨奕杨玉富王雯丽王丽坤
Owner 马鞍山市雨山冶金新材料有限公司
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