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Molten iron desulfurization device and method

A hot metal desulfurization and hot metal technology, applied in the field of hot metal desulfurization, can solve the problems of easy compaction, low desulfurization agent basis and dispersion degree, low utilization rate, etc., and achieve the effect of increasing the specific surface area, improving the utilization rate, and improving the utilization rate

Pending Publication Date: 2021-11-26
BEIJING SHOUGANG CO LTD
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Problems solved by technology

[0003] The invention provides a molten iron desulfurization device and method, which solves the technical problems of low desulfurization agent basis and dispersion degree, easy compaction and low utilization rate in the prior art

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  • Molten iron desulfurization device and method

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0023] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative positional relationship and movement conditions among the components in a specific posture. If the specific posture changes, the directional indication also changed accordingly.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the present app...

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Abstract

The invention belongs to the technical field of molten iron desulfurization, and discloses a molten iron desulfurization device and method. The molten iron desulfurization device comprises a blowing gas source, a stock bin, a conveying pipe, a desulfurization spray gun, a molten iron tank and a stirring paddle, the blowing air source is connected with the conveying pipe, and the stock bin is connected with the conveying pipe; the desulfurization spray gun is connected with the conveying pipe; the desulfurization spray gun is movably arranged in the molten iron tank; and the stirring paddle is arranged in the molten iron tank. The molten iron desulfurization device and method provided by the invention can greatly improve the dispersion degree and utilization rate of a desulfurizer.

Description

technical field [0001] The invention relates to the technical field of molten iron desulfurization, in particular to a molten iron desulfurization device and method. Background technique [0002] The traditional KR stirring process has the problem of low utilization rate of desulfurizer, and its actual amount is about 5-8 times of the theoretical amount. The main reason is: the silo is fed naturally or sprayed above the iron ladle; in the natural feeding method, the desulfurizer has a large block size and is easy to agglomerate, resulting in low utilization rate. Although the desulfurizer particle size is small in the injection method, it is easily affected. The air flow is disturbed and splashed, the proportion of desulfurizer actually entering the molten iron is relatively low, and the operating environment is harsh, which does not meet the environmental protection requirements; there is a large amount of desulfurizer gathered in the center of the stirring paddle, affected...

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Application Information

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IPC IPC(8): C21C7/064
CPCC21C7/064
Inventor 赵艳宇韩少伟孙永林杨俊峰高攀郑全
Owner BEIJING SHOUGANG CO LTD
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