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A mechanical stirring device for producing ferromanganese alloy

A technology of mechanical stirring and ferromanganese alloy, which is applied in mixers, mixers, transportation and packaging with rotating stirring devices, can solve the problems of large power consumption of electric energy, long pure processing time, large equipment volume, etc., and achieves operating costs. The effect of problem solving, small and simple equipment, and simple equipment operation

Active Publication Date: 2018-10-09
CENT IRON & STEEL RES INST
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a mechanical stirring device for the production of ferromanganese alloy, which overcomes the shortcomings of the shaking bag device in the shaking bag method, such as large equipment volume, large power consumption, weak stirring, and long pure treatment time, and replaces the shaking bag Equipment for the production of ferromanganese alloys such as medium and low carbon ferromanganese, high silicon manganese and silicon manganese alloys

Method used

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  • A mechanical stirring device for producing ferromanganese alloy

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Embodiment 1

[0022] In this example, low-carbon ferromanganese is produced by double-connected electrosilicothermal method and mechanical stirring method. The process route implemented by the mechanical stirring method is as follows: Manganese slag discharge from the electric furnace → driving and lifting the shaker to the transport vehicle → driving to the stirring station → adding ferrosilicon material → determining the liquid level → taking slag samples → lowering the paddle to stir the manganese liquid and Slag liquid reaction→taking slag samples→extracting from the mixing station→lifting to the slag dumping station for dumping→lifting to the ingot pouring platform→manganese liquid ingot casting.

[0023] The inner height of the ferromanganese treatment tank is 1700mm, and the mouth diameter is 1600mm. After the manganese liquid is discharged from the medium manganese electric furnace, slowly and uniformly pour 4.5t of liquid medium manganese slag into the manganese slag treatment tank...

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Abstract

The invention discloses a mechanical stirring device for producing ferromanganese alloy, which belongs to the technical field of ferroalloy and casting production. Including lifting motor, lifting guide rod, electric control box, guide rail column, lifting wheel set, lifting cross arm frame, rotating motor, rotating guide wheel, rotating frame, stirring paddle. The lifting cross arm frame is on the guide rail column, and the lifting system composed of lifting motor, lifting guide rod, electric control box, lifting wheel group, lifting cross arm frame, etc. can complete the lifting of the cross arm frame, thereby driving the stirring paddle in the alloy liquid and Lifting in slag liquid. The rotating system consists of electric control box, rotating motor, rotating guide wheel, rotating frame, stirring paddle, etc., which can complete the rotation of the stirring paddle in the alloy liquid and slag liquid. The advantage is that the stirring paddle can accurately fall on the interface between the alloy liquid and the slag liquid, and directly complete the stirring of the solution, achieving a higher reaction efficiency than the shaker bag, and saving power consumption. The recovery rate of alloyed manganese is high, and the mass fraction of manganese oxide in the final slag is far lower than that of the shaking bag method.

Description

technical field [0001] The invention belongs to the technical field of ferroalloy and casting production, and in particular relates to a mechanical stirring device for producing ferromanganese alloy, which can replace the shaking bag device of the shaking bag method, and is suitable for the production of medium and low carbon ferromanganese, or other products using the shaking bag method obtained ferromanganese alloy. Background technique [0002] At present, ferroalloy factories mainly use electrosilicothermic method and shaking bag method to produce ferroalloys such as medium and low carbon ferromanganese or high silicon ferromanganese. The electrosilicothermal method is to add manganese ore, manganese-silicon alloy and lime into the electric furnace, rely on electric heating to melt the charge, and reduce the manganese oxide in the manganese ore through silicon to produce medium and low carbon ferromanganese. The shaking bag method is to add preheated manganese ore, lime...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22B4/06C22B4/08C22B47/00B01F7/18
CPCC22B4/06C22B4/08C22B47/00B01F27/90
Inventor 倪冰刘文文姚同路贺庆赵舸张曦东
Owner CENT IRON & STEEL RES INST
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