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Method for producing continuous casting crystallizing roll

A technology of continuous casting crystallization and manufacturing methods, applied in the fields of metal continuous casting, iron and steel metallurgy, and machinery manufacturing, to achieve the effect of firm interface bonding, simple and reliable manufacturing methods, and elimination of adsorbed oxygen layers

Active Publication Date: 2012-01-11
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the present situation, the purpose of the present invention is to provide a manufacturing method for the crystallization roll, to solve the manufacturing technology of the crystallization roll sleeve with complex internal cooling water gap design

Method used

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  • Method for producing continuous casting crystallizing roll
  • Method for producing continuous casting crystallizing roll
  • Method for producing continuous casting crystallizing roll

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Embodiment Construction

[0032] see Figure 1 to Figure 5 , continuous casting crystallization roll manufacturing method of the present invention, at first on the roll core 10 of crystallization roll 1 along the roll core 10 axially open water inlet hole 101, water outlet hole 102, on the roll core 10 wall, have water guide hole 103, 104, respectively connected to the water inlet hole 101, the water outlet hole 102 and the outer surface 100 of the roller core 10; the metal pipe 2 is installed on the outer surface 100 of the roller core 10 of the crystallization roller 1, and passes through the water guide holes 103, 104 on the roller core wall respectively It is connected with the water inlet hole 101 and the water outlet hole 102 to form a plurality of cooling circuits, forming a crystallization roller cooling system; using cold air power spraying, driving the tiny metal particles 3 to be sprayed through the nozzle 4 at a high speed with a pressure greater than 1.0MPa. The metal particles 3 collide w...

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Abstract

The process of producing continuous casting crystallization roller includes the following steps: cutting axial water inlet hole and water outlet hole on roller core, and forming water guide hole on the core wall to communicate the water inlet hole and the water outlet hole with outside surface of the core; installing metal pipe outside the core to form crystallization roller cooling system with several cooling loops; and cold pneumatic spraying through driving metal grains with pressure over 1.0 MPa to bump the outer surface of the core at high speed so as to make metal grains deform sufficiently for adhering onto the surface of the core and the outer surface of the cooling loops, filling the gaps, forming coating in enough thickness to cover the cooling loops and forming roller sleeve inenough thickness.

Description

technical field [0001] The invention relates to machinery manufacturing, iron and steel metallurgy, and metal continuous casting, in particular to the manufacturing technology of crystal rolls for metal sheet (strip) continuous casting, and particularly to the metal cold spraying technology. Background technique [0002] The continuous casting technology of thin metal strip (plate) has the characteristics of high efficiency, low consumption and low cost. It is a new technology and new process that countries all over the world are competing to develop in recent years. Among them, the crystallization roller is one of the key components in the thin strip (plate) continuous casting machinery and equipment. The basic principle is that the molten steel enters the molten pool composed of two counter-rotating crystallization rollers and side sealing plates through the flow distributor, and the liquid metal is rapidly cooled on the surface of the crystallization rollers to form a bil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/04B23K20/00
Inventor 宋洪伟崔健张俊宝方园
Owner BAOSHAN IRON & STEEL CO LTD
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