A device for removing low-density scum in metal refining process

A metal refining and low-density technology, used in metal processing equipment, manufacturing tools, mechanical cleaning, etc., can solve problems such as unfavorable physical and mental health of employees, high work intensity, low efficiency, etc. The level of automation and the effect of reducing the cost of production operations
CN112143905BActive Publication Date: 2022-05-24YUNNAN TIN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YUNNAN TIN
Publication Date
2022-05-24

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Abstract

The invention relates to a device for removing low-density scum in the metal refining process, which belongs to the technical field of metal smelting. The device for removing low-density scum in the metal refining process includes a fume hood, an exhaust hood, a fixed pipe, and a cooler , dust collector, induced draft fan, dust outlet pipe, air inlet pipe, air duct, and a fixed adjustment device that can fix and adjust the position of the flue gas hood. The low-density slag removed by the present invention can be directly processed in the rotary kiln process, reducing a pretreatment process, which can greatly reduce the cost of production operations; The loss caused by the flying metal dust of slag; the number of staff can be greatly reduced, saving labor costs and improving economic benefits. At the same time, the invention also improves the mechanical automation level of the slag removal operation, reduces the intensity of repeated slag removal operations by employees, and improves production efficiency.
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Description

technical field

[0001] The invention belongs to the technical field of metal smelting, and in particular relates to a device for removing low-density scum in a metal refining process. Background technique

[0002] In the process of metal refining and de-impurification, all kinds of impurity metals basically exist in the form of elemental substances and oxides. Different production companies will refine crude metals according to market requirements, and the process of separating other metals is called de-impurification. In the process of impurity removal, it is necessary to add different types and quantities of additives to generate scum with low density and high melting point. In the process of removing slag, a large amount of flying is generated due to the fine particle size and low density of a large amount of scum, and the fine slag that has not been removed goes to the next process to increase the cost.

[0003] Taking the tin refining process as an example, when crude ...

Claims

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