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Slide-plate-method slag-stopping tapping slide plate brick for converter

A sliding brick and sliding plate technology, which are applied in the field of refractory materials for converter tapping and slag-retaining tapping sliding bricks by the converter sliding plate method, can solve the problems affecting the working efficiency of the converter, affecting the service life of the product, and short service life, and reaching a wide range of industries. Application prospects, improving work efficiency, and reducing the effect of replacement frequency

Pending Publication Date: 2018-03-16
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

A converter sliding plate method for slag blocking and steel tapping. The sliding brick is composed of an inner nozzle brick, an inner sliding brick, an outer sliding brick and an outer nozzle brick. The inner and outer sliding bricks are not uniform, especially because the boss of the inner sliding brick is very high, which affects the The improvement of production and product quality also affects the service life of the product
At the same time, in the application process of slag-stopping and tapping by converter sliding-plate method, most of the sliding bricks used for slag-stopping are fired products and are made of a single material, which consumes a lot of energy, is not environmentally friendly, has a short service life, and must be replaced every shift. Seriously affect the operating efficiency of the converter and needs to be improved

Method used

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  • Slide-plate-method slag-stopping tapping slide plate brick for converter
  • Slide-plate-method slag-stopping tapping slide plate brick for converter
  • Slide-plate-method slag-stopping tapping slide plate brick for converter

Examples

Experimental program
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Effect test

no. 1 example

[0053] See Figure 1 to Figure 3 and Figure 18 As shown, in a preferred embodiment, a sliding brick for slag blocking and steel tapping by converter sliding method, including:

[0054] The inner nozzle brick 1, the upper and lower ends of the inner nozzle brick 1 are provided with first tenons 11 and 11'; the outer wall of the inner nozzle brick 1 is provided with a first annular boss 12 and a second annular boss 13 in turn; the first The annular boss 12 and the second annular boss 13 are respectively provided with a first steel hoop 131 .

[0055] The outer nozzle brick 2, the upper end of the outer nozzle brick 2 is provided with a second tenon 21.

[0056] The inner skateboard brick 31 and the outer skateboard brick 32, the structure of the inner skateboard brick 31 and the outer skateboard brick 32 are consistent,

[0057] Both the inner skateboard brick 31 and the outer skateboard brick 32 include a skateboard brick body 41 and a tenon 42; the skateboard brick body 41...

no. 2 example

[0065] Please see Figure 4 and 5 , the inner nozzle brick and the outer nozzle brick of this embodiment and figure 1 The inner nozzle brick 1 and the outer nozzle brick 2 of the first embodiment are the same. And the present embodiment also includes inner sliding bricks and outer sliding bricks with the same structure, and the installation methods of inner sliding bricks, outer sliding bricks, inner nozzle bricks and outer nozzle bricks are also the same as figure 1 The first embodiment is the same as in the first embodiment. At the same time, the flow steel hole 6 also runs through the inner nozzle brick, the inner slider brick, the outer slider brick and the outer nozzle brick in sequence. The difference is that:

[0066] Both the inner skateboard brick and the outer skateboard brick include a skateboard brick body 241, a tenon 242, a second steel hoop 243, a first steel sleeve 244, and a cement 245; the side of the skateboard brick body 241 is provided with a second stee...

no. 3 example

[0068] Please see Figure 6 and 7 , the inner nozzle brick and the outer nozzle brick of this embodiment and figure 1 The inner nozzle brick 1 and the outer nozzle brick 2 of the first embodiment are the same. And the present embodiment also includes inner sliding bricks and outer sliding bricks with the same structure, and the installation methods of inner sliding bricks, outer sliding bricks, inner nozzle bricks and outer nozzle bricks are also the same as figure 1 The first embodiment is the same as in the first embodiment. At the same time, the flow steel hole 6 also runs through the inner nozzle brick, the inner slider brick, the outer slider brick and the outer nozzle brick in sequence. The difference is that:

[0069] Both the inner skateboard brick and the outer skateboard brick include a skateboard brick body 341, a concave tenon 342, a second steel hoop 343, a first steel sleeve 344, a cement 345, an inlaid pipe brick 346 and a special cement 347; The tenon 342 an...

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Abstract

The invention discloses a slide-plate-method slag-stopping tapping slide plate brick for a converter. The slide-plate-method slag-stopping tapping slide plate brick comprises an inner nozzle brick, anouter nozzle brick, an inner slide plate brick and an outer slide plate brick, wherein the upper end and the lower end of the inner nozzle brick are both provided with first tenons; the upper end ofthe outer nozzle brick is provided with a second tenon; the structures of the inner slide plate brick and the outer slide plate brick are coincident; the inner slide plate brick and the outer slide plate brick both comprise slide plate brick bodies and blind mortises; the slide plate brick bodies are octagons; certain end surfaces of the slide plate brick bodies are provided with the blind mortises; the other end surfaces of the slide plate brick bodies are planes; a steel flowing hole is formed in the upper end surface of the inner nozzle brick; the steel flowing hole penetrates into the lower end surface of the outer nozzle brick. The slide-plate-method slag-stopping tapping slide plate brick, compared with a current conventional sliding plate brick, is greatly prolonged in service life;as the service life of the slide plate brick is prolonged, the replacement frequency is decreased in a use process; further, the work efficiency of the converter is improved and the slide-plate-method slag-stopping tapping slide plate brick has a wide industrial application prospect.

Description

technical field [0001] The invention relates to the technical field of a refractory material for tapping in a converter, in particular to the technical field of a sliding brick for slag blocking and tapping in a converter using a sliding plate method. Background technique [0002] As we all know, the steel slag produced in the converter steelmaking process is harmful, so it is necessary to block the steel slag in the converter as much as possible when tapping the converter, so as not to let the steel slag enter the ladle; for this reason, the converter sliding plate method was invented to stop the slag tapping technology. A few days ago, the technology of slag blocking and tapping by converter sliding plate method has become more and more widely used. A converter sliding plate method for slag blocking and steel tapping. The sliding brick is composed of an inner nozzle brick, an inner sliding brick, an outer sliding brick and an outer nozzle brick. The inner and outer sliding...

Claims

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Application Information

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IPC IPC(8): C21C5/46
CPCC21C5/4653
Inventor 杨奕杨奕涵王雯丽王丽坤杨玉富
Owner 马鞍山市雨山冶金新材料有限公司
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