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A Mold for Preventing Various Defects in Continuous Casting Slabs

A mold and defect technology, applied in the field of molds and continuous casting molds, can solve the problems of uneven heat conduction, uncontrollable flow, cracks, etc., and achieve the effects of labor saving, easy replacement and convenient manufacturing.

Active Publication Date: 2019-06-18
XIXIA LONGCHENG SPECIAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the object of the present invention is to address the deficiencies of the prior art, to provide a device that conducts heat evenly and can control the cooling flow in the meniscus region, and solves the problem of uneven heat conduction in the meniscus region, The flow is uncontrollable, which leads to technical problems such as cracks and other defects

Method used

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  • A Mold for Preventing Various Defects in Continuous Casting Slabs
  • A Mold for Preventing Various Defects in Continuous Casting Slabs
  • A Mold for Preventing Various Defects in Continuous Casting Slabs

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Experimental program
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Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a mold for preventing various defects in continuous casting slabs, including a mold copper plate 1 and a mold water tank 2 for supporting the mold copper plate and cooling water, the mold copper plate is provided with a plurality of uniform Distributed cooling water holes 3, the cooling water holes 3 are provided with flow limiting rods 4 in the meniscus area, and the cooling water holes 3 are respectively provided with water outlets leading to the water outlet chamber 9 of the crystallizer water tank at the upper and lower positions of the meniscus area Hole one 5 and water outlet hole two 6, the water outlet hole one 5 and water outlet hole two 6 are connected with the cooling water hole 3, and the lower part of the crystallizer copper plate is provided with the water inlet hole 7 corresponding to the cooling water hole 3, so The water inlet hole 7 is communicated with the cooling water hole 3, the water inlet hole 7 is communicated with the...

Embodiment 2

[0030] Such as figure 2 As shown, a mold for preventing various defects in continuous casting slabs, including a mold copper plate 1 and a mold water tank 2 for supporting the mold copper plate and cooling water, the mold water tank 2 includes a water tank 2a and the rapidly replaceable water tank back plate 2b added between the water tank 2a and the crystallizer copper plate 1, the crystallizer water tank inlet chamber 8 and the crystallizer water tank outlet chamber 9 are transferred to the corresponding position of the water tank back plate 2b, the The crystallizer copper plate is provided with a plurality of evenly distributed cooling water holes 3, and the cooling water holes 3 are provided with flow limiting rods 4 in the meniscus area, and the cooling water holes 3 are respectively provided at the upper and lower positions of the meniscus area leading to the crystallization The water outlet hole one 5 and the water outlet hole two 6 of the water outlet chamber 9 of the...

Embodiment 3

[0032] Such as image 3 As shown, a mold for preventing various defects in continuous casting slabs includes a mold copper plate 1 and a mold water tank 2 that supports the mold copper plate and cools water through it. The mold water tank 2 includes a water tank 2a and the rapidly replaceable water tank back plate 2b added between the water tank 2a and the crystallizer copper plate 1, the water tank back plate is provided with a crystallizer water inlet chamber 8 and a crystallizer water tank outlet chamber 9, and the cooling water holes are steps with different diameters hole, the step hole is composed of a cooling water hole 3 and a cooling water hole 10 with a diameter smaller than the cooling water hole 3, the cooling water hole 10 is set in the meniscus area, and the upper and lower positions of the cooling water hole 10 are respectively set through To the water outlet hole one 5 and the water outlet hole two 6 of the water outlet chamber 9 of the crystallizer water tank,...

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Abstract

The invention belongs to the technical field of crystallizers. A crystallizer for preventing defects comprises a copper plate and a water tank. Cooling water holes are formed in the copper plate. The cooling water holes communicate with the water tank through a water inlet and a plurality of water outlets. At least one water outlet is formed in the meniscus area. At least one air outlet is formed below the meniscus area. Since the air outlets are formed below the meniscus area and in the meniscus area, water is shunted, the flow of water flowing through the meniscus area is adjusted through control of a flow limiting component, water flow of cooling water flowing through the meniscus area is reduced, but the overall cooling flow is unchanged, the cooling strength of the meniscus area of the crystallizer is reduced, the shrinkage changing amplitude of the meniscus area is reduced, formation and growth of the continuous cast billet are more uniform, cracks of the continuous cast billet are effectively prevented or reduced, and the quality of the continuous cast billet is improved.

Description

technical field [0001] The invention belongs to the technical field of crystallizers, and specifically relates to the technical field of continuous casting crystallizers such as slabs, billets, special-shaped billets, and ultra-thin slabs. Background technique [0002] Continuous casting slabs will have various defects, and there are many ways to prevent various defects. Many of the defects are related to the key equipment of continuous casting - the crystallizer. Many defects of continuous casting slabs are generated at the meniscus. , too much and uneven heat export near the meniscus will cause cracks and breakouts, especially as people's requirements for production efficiency, the pulling speed is getting higher and higher, and the heat exported near the meniscus is more intense , the derived heat is more uneven, and the resulting cracks and breakouts are more frequent. The heat output of the slab depends on the cooling water of the continuous casting mold. The channel o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/055
CPCB22D11/055
Inventor 朱书成赵家亮廖春谊王希彬周彦锋辛文科郭明源辛浩
Owner XIXIA LONGCHENG SPECIAL MATERIALS CO LTD
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