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Casting emulsifier of continuous casting crystallizer copperplate and production method thereof

A technology of continuous casting crystallizer and production method, which is applied in the field of continuous casting mold copper plate pouring emulsifier, which can solve the problems of damage to the surface layer of the mold steel plate, affect the life of the mold steel plate, and scour the mold copper plate, so as to ensure the surface quality , strong reaction, and the effect of increasing the amount of steel passing through

Inactive Publication Date: 2012-04-11
HENAN XIBAO METALLURGICAL MATERIALS GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the continuous casting mold is not protected by mold slag at the initial stage of casting, but directly contacts the mold copper plate, which is easy to cause erosion of the mold copper plate, and the huge friction between the two will seriously damage the surface layer of the mold steel plate. Affect the life of the steel plate of the crystallizer, and at the same time, it will destroy the structure of the slab shell, which is prone to cracks, which is very unfavorable for the success of casting

Method used

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Examples

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Effect test

Embodiment 1

[0016] A continuous casting crystallizer copper plate pouring emulsifier, its composition and mass percentage are as follows, C 固 : 89.50%; CaO: 4.50%; Al 2 o 3 : 3.50%; MgO: 2.50%.

[0017] A method for producing continuous casting crystallizer copper plate pouring emulsifier, comprising the following steps:

[0018] A. Filter and measure 8 to 15 parts of liquid resin into the reactor, and the temperature in the reactor is 60 to 90 degrees Celsius to heat the liquid resin;

[0019] B. After heating the liquid resin, lower the temperature of the reactor to room temperature, and add 70 to 90 parts of nano-graphite to wet the liquid mixture. The reactor is preferably a ceramic reactor to avoid adding such as Fe 2 o 3 , SO 3 and other harmful substances;

[0020] C, add 0.1 part of industrial chelating agent to carry out preliminary liquid chelation, heat up to 60-90 degrees Celsius, and the reaction time is 0.5-1 hour, chelating agent such as ethylenediaminetetraacetic aci...

Embodiment 2

[0025] A continuous casting crystallizer copper plate pouring emulsifier, its composition and mass percentage are as follows, C 固 : 94.50%; CaO: 1.50%; Al 2 o 3 : 2.00%; MgO: 2.00%.

[0026] The method for producing the continuous casting crystallizer copper plate pouring emulsifier is the same as embodiment one.

Embodiment 3

[0028] A continuous casting crystallizer copper plate pouring emulsifier, its composition and mass percentage are as follows, C 固 : 97.50%; CaO: 1.05%; Al 2 o 3 : 0.85%; MgO: 0.50%.

[0029] The method for producing the continuous casting crystallizer copper plate pouring emulsifier is the same as embodiment one.

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Abstract

The invention discloses a casting emulsifier of a continuous casting crystallizer copperplate and a production method thereof. The casting emulsifier of the continuous casting crystallizer copperplate comprises the following components in weight percentage: 86.00-99.00% of C solid, 0.10-5.58% of CaO, 0.23-3.31% of Al2O3 and 0.11-6.68% of MgO. The lubrication effect of molten steel on the crystallizer copperplate in a casting process is realized by adding large quantities of nanographites into a liquid resin; the dispersity of the nanographites is particularly prominent by effect of a proper solvent, such as a liquid resin or a chelating agent; and the casting emulsifier of the continuous casting crystallizer copperplate can be densely and firmly adhered to the prewashed continuous casting crystallizer copperplate by brushing or spraying, and a coating-like protection film is formed on the surface of the copperplate, so that the sufficient lubrication of casting blanks is realized, the friction of the casting blanks on the crystallizer copperplate is reduced, and the copperplate is protected.

Description

[0001] technical field [0002] The invention belongs to the technical field of metallurgical auxiliary materials for steelmaking, and in particular relates to an emulsifier for copper plate pouring in a continuous casting crystallizer and a production method thereof. Background technique [0003] The continuous casting mold can make the molten steel gradually solidify into the billet shell of the required specification and shape through the combination of its external refrigeration mechanism and mold powder; through the vibration of the mold, the billet shell is separated from the mold wall and No breakage and breakout; by adjusting the parameters of the mold, the billet will not have defects such as square off, bulging and cracks; ensure the uniform and stable formation of the billet shell. Ensure smooth continuous casting process; improve the surface quality of slab. However, the continuous casting mold is not protected by mold slag at the initial stage of casting, but d...

Claims

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Application Information

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IPC IPC(8): B22D11/07
Inventor 李书成李伟锋黄占基程磊
Owner HENAN XIBAO METALLURGICAL MATERIALS GROUP
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