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Feeding stirring device of wet metallurgy reactor

A stirring device and hydrometallurgy technology, applied in mixers with rotating stirring devices, improvement of process efficiency, chemical instruments and methods, etc., can solve the problem that the addition amount cannot be accurately controlled, the reaction system cannot be uniformly added, and the utilization rate is low And other problems, to achieve the effect of easy addition, increase utilization rate and reduce loss

Inactive Publication Date: 2013-03-13
BEIJING GENERAL RES INST OF MINING & METALLURGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the reaction process of hydrometallurgy, such as leaching, neutralization, precipitation and crystallization, gas-liquid-solid, gas-liquid, liquid-liquid reactions are involved. At present, they are basically carried out in stirred tanks or reactors. Different forms of stirring are used to enhance the mixing effect, but when gas and / or liquid need to be introduced in the reaction process, it is added in a tube, which cannot be uniformly added to the reaction system, and the utilization rate is low, the concentration gradient is obvious, and the amount added cannot be accurately controlled.

Method used

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  • Feeding stirring device of wet metallurgy reactor
  • Feeding stirring device of wet metallurgy reactor
  • Feeding stirring device of wet metallurgy reactor

Examples

Experimental program
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Effect test

Embodiment 1

[0017] Leaching of materials containing valuable metals, using image 3 Add two kinds of medium double-layer stirring device as shown, after the stirring device starts to stir the reaction system, sulfur dioxide gas and hydrogen peroxide are respectively added from the rotary sealed feeder, and then enter the stirring blades respectively through the hollow stirring shaft, and the sulfur dioxide gas enters the lower stirring paddle leaves, hydrogen peroxide enters the upper stirring blade, and is added into the reaction system through multiple groups of feeding holes on the stirring blade, so that the SO 2 The gas is evenly dispersed in the reaction system, which improves the utilization efficiency and shortens the reaction time.

Embodiment 2

[0019] Hydrometallurgical neutralization precipitation, using figure 2 The single-medium double-layer stirring device shown is added. After the stirring device starts to stir the reaction system, ammonia water is added from the rotary sealed feeder, and enters the stirring blade through the hollow stirring shaft, and is added into the reaction system through multiple groups of feeding holes on the stirring blade. , so that the ammonia water is evenly dispersed in the reaction system, while improving the utilization efficiency, it makes the reaction smooth and easy to control the reaction end point.

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Abstract

The invention discloses a feeding stirring device of a wet metallurgy reactor, relates to an improved feeding stirring device of a reactor for wet-process smelting and especially leaching, neutralizing, settling and crystallizing in wet metallurgy. The feeding stirring device structurally comprises a stirring shaft and stirring paddles arranged on the stirring shaft. The feeding stirring device is characterized in that the stirring shaft is a hollow rotating shaft, the upper end of the rotating shaft is provided with a feeding hole, positions, which are provided with the stirring paddles, on the stirring shaft are provided with discharging holes, the stirring paddles are provided with feeding through holes communicated with the discharging holes of the stirring shaft, and the blades of the stirring paddles are provided with discharging holes. According to the feeding stirring device disclosed by the invention, gas and / liquid is uniformly added in a reaction system effectively, so that the utilization rate is increased, the adding quantity is conveniently controlled, and the loss is reduced.

Description

technical field [0001] The invention relates to a feed stirring device of a hydrometallurgy reactor, which relates to an improvement of the structure of a feed stirring device used in hydrometallurgy, especially a reactor for leaching, neutralization, precipitation and crystallization in hydrometallurgy. Background technique [0002] In the reaction process of leaching, neutralization, precipitation and crystallization in hydrometallurgy, gas-liquid-solid, gas-liquid, liquid-liquid reactions are involved, which are basically carried out in stirred tanks or reactors at present. Different forms of stirring are used to enhance the mixing effect, but when gas and / or liquid need to be introduced in the reaction process, it is added in a tube, which cannot be uniformly added to the reaction system, and the utilization rate is low, the concentration gradient is obvious, and the amount added cannot be accurately controlled. Contents of the invention [0003] The purpose of the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22B3/02B01F7/18
CPCY02P10/20
Inventor 王成彦郜伟尹飞陈永强杨永强张永禄崔成旺揭晓武邢鹏李强居中军阮书峰袁文辉
Owner BEIJING GENERAL RES INST OF MINING & METALLURGY
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