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Carbon-free steel ladle wall painting process

A carbon-free steel ladle and cladding technology, which is applied in the direction of manufacturing tools, metal processing equipment, casting molten material containers, etc., can solve the problems of poor ladle repair technology, reduce the rate of cladding wall loss, increase the number of times of use, and solve the problem of sticking bad effect

Inactive Publication Date: 2018-02-16
北京利尔高温材料股份有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0005] The invention proposes a carbon-free steel ladle wall smearing process, which solves the problem of poor ladle repair technology

Method used

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Embodiment Construction

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] The 300-ton carbon-free steel ladle in H Steel Plant was originally used less than 150 times. When it reached about 130 times during use, the wall of the ladle cracked and peeled off. The original repair material had no obvious repair effect. After 2-5 times of use Repair material falls. This has a great impact on the later contracting of ladles. The 10-30mm available residual thickness of the ladle wall was wasted when it was off the assembly line early. If it continues to be used, it will bring hidden dangers to the safe operati...

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Abstract

The invention puts forward a carbon-free steel ladle wall painting process and solves the problems of poor bonding effect and early falling of a steel ladle wall repair material. The carbon-free steelladle wall painting process is characterized in that painting process operation steps sequentially comprise cooling, clearing, material mixing, painting, maintenance and baking during steel ladle cold repair. In the steel ladle wall painting repair and maintenance process, overall ladle wall painting is adopted, when a steel ladle is used, painting layers form a whole and are sintered together with the ladle wall, the binding force is greatly enhanced, and the erosion speed of an original ladle wall is greatly delayed by implementing constant protection and maintenance of the ladle wall.

Description

technical field [0001] The invention relates to the technical field of improving a carbon-free ladle wall repair process for refining in the refractory industry, in particular to a carbon-free ladle wall smearing process. Background technique [0002] With the development of steelmaking technology, the demand for various steel products and special steel products continues to increase. The use of carbon-free ladle can effectively improve the quality of steel and is of great help to smelting clean steel. This brings higher stability and service life to the carbon-free ladle for refining. One contract period of domestic ladles is the same as the service life of the cladding wall. After one contract, all refractory materials inside the ladle need to be removed except for the permanent lining. Therefore, on the premise of ensuring the safe use of the cladding wall, reasonably improving the life of the cladding wall is the key to increasing the number of times each package is us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D41/02
CPCB22D41/023
Inventor 刘丽张盛任林王团收赵伟高梅刘美荣车晓梅曹仁锋王伟伟于九利胡玲军
Owner 北京利尔高温材料股份有限公司
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