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Safe and reliable molten iron pretreatment automatic slagging-off method and system

A kind of molten iron pretreatment and reliable technology, applied in the field of iron and steel smelting, can solve problems such as consumption of manpower and time, affecting the quality of molten steel, burns of workers, etc., and achieve the effect of simplifying the slag removal method, improving the purity and improving the work efficiency.

Inactive Publication Date: 2021-09-03
江苏坤洋翰光能源技术集团有限公司
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  • Claims
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Problems solved by technology

[0002] As we all know, in the process of heating and smelting steel, in order to remove impurities such as sulfur and nitrate, it is necessary to add desulfurization and denitrification agents to molten steel, so that impurities such as sulfur and nitrate can solidify and form residues. Smaller, the residue usually floats on the surface of molten steel. In order to avoid the impact of residue on the purity of molten steel, the residue needs to be removed and cleaned. The existing method of removing slag is usually carried out manually by workers, but this method of removing slag is cumbersome. , consumes more manpower and time, and there are more residues in the molten steel, which easily affects the quality of molten steel. At the same time, due to the high temperature of molten steel, it is easy to cause burns to workers

Method used

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  • Safe and reliable molten iron pretreatment automatic slagging-off method and system
  • Safe and reliable molten iron pretreatment automatic slagging-off method and system
  • Safe and reliable molten iron pretreatment automatic slagging-off method and system

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0043] In the description of the present invention, it should be noted that the terms belonging to "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention.

[0044] In the descriptio...

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Abstract

The invention relates to the technical field of steel smelting, in particular to a safe and reliable molten iron pretreatment automatic slagging-off method and system. The system comprises an inclination mechanism, a collection vehicle, an oscillation mechanism, an arc-shaped reciprocating type scraping mechanism, a pushing mechanism and a slagging-off device. According to the slagging-off manner, the automation degree of slagging-off work can be effectively improved, the slagging-off manner is simplified, manpower and time are saved, the working efficiency is improved, residues in a ladle are effectively removed, the slagging-off effect and the purity of molten steel are effectively improved, meanwhile, the situation that workers are scalded by the ladle during manual slagging-off is avoided, and practicability is improved.

Description

technical field [0001] The invention relates to the technical field of iron and steel smelting, in particular to a safe and reliable automatic slag removal method and system for molten iron pretreatment. Background technique [0002] As we all know, in the process of heating and smelting steel, in order to remove impurities such as sulfur and nitrate, it is necessary to add desulfurization and denitrification agents to molten steel, so that impurities such as sulfur and nitrate can solidify and form residues. Smaller, the residue usually floats on the surface of molten steel. In order to avoid the impact of residue on the purity of molten steel, the residue needs to be removed and cleaned. The existing method of removing slag is usually carried out manually by workers, but this method of removing slag is cumbersome. , It consumes more manpower and time, and there are more residues in the molten steel, which easily affects the quality of the molten steel. At the same time, du...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C7/00C21C7/064C21C7/076B22D43/00
CPCC21C7/0087C21C7/064C21C7/076B22D43/007B22D43/005Y02P10/20
Inventor 许瑞华
Owner 江苏坤洋翰光能源技术集团有限公司
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