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Straight-through type continuous casting immersion-type water gap

An immersion, straight-through technology, used in foundry equipment, casting melt containers, metal processing equipment, etc., can solve the problems of unsatisfactory use effect, limited application, small improvement effect, etc., to improve quality and use performance, Beneficial for homogenization, reduction of lateral temperature and compositional differences

Active Publication Date: 2012-11-07
启东市希士水泥有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for the two disadvantages of the above-mentioned straight-through submerged nozzle, this method has little improvement effect and the use effect is not ideal, so the actual application is not wide

Method used

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  • Straight-through type continuous casting immersion-type water gap
  • Straight-through type continuous casting immersion-type water gap
  • Straight-through type continuous casting immersion-type water gap

Examples

Experimental program
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Effect test

Embodiment 1

[0023] See attached figure 1 , A straight-through continuous casting immersion nozzle of the present invention includes a tubular body 1 that penetrates up and down. The body 1 defines an inner cavity 3. A ring of slag line 2 is provided on the outside of the side wall of the body 1, and the depth of the slag line 2 is 15mm, the height is 130mm, the distance between the lower end and the end of the nozzle is 50mm, the body 1 is made of aluminum carbonaceous or quartz refractory material by isostatic pressing, and the slag line 2 is made of zirconia composite material with good slag corrosion resistance. A series of vertical grooves 4 of equal size are excavated on the inner surface of the side wall of the main body 1, and the grooves 4 are distributed at equal intervals on the inner surface of the side wall of the main body 1, and the heights are level with each other. The width of the groove 4 is 15 mm, and the distance between adjacent grooves 4 is 30 mm. The distance between...

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Abstract

The invention belongs to the technical field of the industrial continuous casting, and particularly relates to an immersion-type water gap device used for a square-billet and round-billet continuous casting crystallizer. The immersion-type water gap comprises a vertically-through tubular body, wherein an inner cavity is defined by the body; the outer surface of the side wall of the body is sheathed with a slag line; the inner surface of the side wall of the body is dug with a plurality of grooves; the tail ends of the grooves penetrate through the side wall of the body; and a plurality of long and narrow notches connected with the tail ends of the grooves are formed on the bottom of the side wall of the body. According to the immersion-type water gap disclosed by the invention, the molten steel impacting depth can be lowered, molten steel temperature ingredients are accelerated to be even, and the casting blank quality is improved. The immersion-type water gap used for the square-billet and round-billet continuous casting crystallizer has the characteristics of simple structure, obvious effect and low cost and is suitable for popularizing.

Description

Technical field [0001] The invention belongs to the technical field of continuous casting in the iron and steel industry, and in particular relates to an immersion nozzle device for a continuous casting mold of billet and round billet. Background technique [0002] With the development of the national economy and the continuous improvement of industrial modernization, the demand for high-quality steel is increasing. Continuous steel casting is a process in which liquid molten steel with a certain degree of superheat is injected into a water-cooled crystallizer through a tundish and continuously cooled into a solid shell with a certain shape. The tundish is a refractory container used in the steel production process. It first receives the molten steel poured from the ladle, and then distributes it to each mold through the tundish nozzle. The immersion nozzle is a refractory sleeve installed at the bottom of the tundish and inserted below the liquid level of the mold. Its main fun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D41/50
Inventor 徐海伦青雪梅马春武幸伟徐永斌
Owner 启东市希士水泥有限公司
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