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Aluminium oxide bin bottom blanking device and method

A technology of alumina and feed port, which is applied in the field of alumina storage and transportation in aluminum smelting, to achieve the effects of increasing fluidity, reducing wear and reducing construction costs

Inactive Publication Date: 2013-05-29
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] In order to solve the above-mentioned technical problems, the present invention provides a device and method for feeding alumina at the bottom of the silo, the purpose of which is to reduce the problem of dead alumina in the silo and blockage of the feeding port, increase the effective volume of the silo and reduce the segregation of alumina Phenomenon

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  • Aluminium oxide bin bottom blanking device and method
  • Aluminium oxide bin bottom blanking device and method
  • Aluminium oxide bin bottom blanking device and method

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Embodiment Construction

[0018] The present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited by the schematic diagrams.

[0019] As shown in the figure, the feeding device at the bottom of the alumina silo of the present invention includes a storage bin 1 and a feeding port 2, the feeding port 2 is connected to the feeding chute 3, and the space between the storage bin 1 and the feeding port 2 and the feeding port 2 are cancelled. The valve between the blanking chute 3, the blanking chute 3 is connected with the main chute 4, the blanking chute 3 is supplied with air by the branch air pipe 15, the branch air pipe 15 is connected with the air pipe 6, and the air pipe 6 is connected with the fan 5, An electric valve 7 is arranged on the air pipe 5, and the electric valve 7 is controlled by the computer in the control room. The branch air pipe 15 is provided with a manual valve 16; the bottom of the ...

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Abstract

The invention relates to a blanking device and a method, particularly relates to an aluminium oxide bin bottom blanking device and a method, and is mainly applied to the aluminium oxide storage and transportation field in aluminium smelting. The blanking device comprises a storage bin and a blanking port, wherein the blanking port is connected with a blanking chute, a valve arranged between the storage bin and the blanking port and a valve arranged between the blanking port and the blanking chute are saved, the blanking chute is connected with a main chute, and a branch air pipe supplies air for the blanking chute, the branch air pipe is connected with an air pipe, the air pipe is connected with a fan, the air pipe is provided with an electric valve, and the electric valve is controlled by a computer of a control chamber. The blanking device and the method provided by the invention have the beneficial effects that hardening of aluminium oxide in the storage bin is reduced, and thus blocking of the blanking port is avoided.

Description

technical field [0001] The invention relates to a feeding device and method, in particular to a feeding device and method at the bottom of an alumina bin, which are mainly used in the field of alumina storage and transportation in aluminum smelting. Background technique [0002] In the electrolytic aluminum industry, it is generally necessary to temporarily store alumina in the silo and then use it for electrolytic production. With the increase of the scale of the aluminum plant and the remote location of the aluminum plant, the volume of the required alumina storage bin is also increasing. Because alumina is water-absorbent, easy to bond, and the particle size is uneven, it is easy to cause segregation and hardening in the alumina silo, resulting in unstable discharge of alumina particles, and the instability of the discharge is also easy to give The electrolytic tank causes fluctuations, affecting the normal production of electrolysis. [0003] In the design of traditio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/14
Inventor 宋海琛张国斌胡红武
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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