Method for producing continuous casting crystalli-zing roll

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

Active Publication Date: 2006-06-07
BAOSHAN IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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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 crystalli

Method used

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  • Method for producing continuous casting crystalli-zing roll
  • Method for producing continuous casting crystalli-zing roll
  • Method for producing continuous casting crystalli-zing roll

Examples

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[0032] See Figure 1 ~ Figure 5 In the method for manufacturing continuous casting crystallizing roller of the present invention, firstly, the roller core 10 of the crystallizing roller 1 is provided with water inlet holes 101 and water outlet holes 102 along the axial direction of the roller core 10, and water guide holes 103, 104. Connect the water inlet 101, the water outlet 102 and the outer surface 100 of the roller core 10 respectively; install a metal pipe 2 on the outer surface 100 of the roller core 10 of the crystallizing roller 1, and pass through the water guide holes 103 and 104 on the roller core wall respectively Connected with the water inlet 101 and the outlet 102 to form multiple cooling circuits to form a crystallization roller cooling system; using cold air power spraying, the small metal particles 3 are driven by the pressure greater than 1.0MPa and the high pressure compressed gas is ejected through the nozzle 4 at high speed. The metal particles 3 hit the out...

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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 in enough 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...

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Application Information

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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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