Aluminum cell self-adaptation crust breaking device

A shell-breaking device and self-adaptive technology, which is applied in the field of measurement and control, can solve the problems of large fluctuation range of cell voltage, lower current efficiency, and damage to the thermal balance of the electrolytic cell, etc., and achieve strong environmental adaptability, simple and universal process, and mature and reliable technology Effect

Active Publication Date: 2017-11-24
中冶赛迪电气技术有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The "sticky bag" phenomenon of the shelling hammer leads to a large fluctuation rang...

Method used

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  • Aluminum cell self-adaptation crust breaking device
  • Aluminum cell self-adaptation crust breaking device
  • Aluminum cell self-adaptation crust breaking device

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Embodiment Construction

[0025] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, rather than limiting the protection scope of the present invention.

[0026] as attached figure 1 As shown in the diagram of the main components of the aluminum tank shelling air circuit and the electric control system, the shelling cylinder is installed vertically, and is demarcated up and down relative to the piston, with upper air holes and lower air holes respectively; the upper air hole and the No. Connection, the lower air hole is connected to the No. 2 air outlet, and the No. 1 air outlet of the air-controlled two-position five-way valve is connected to a 6-8Bar power supply source pipe.

[0027] When shelling, the shelling reversing valve in the air control cabinet on the ground is connected to the 2Bar air control command air sou...

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Abstract

The invention discloses an aluminum cell self-adaptation crust breaking device and belongs to the technical field of measurement and control. The aluminum cell self-adaptation crust breaking device comprises an electromagnetic directional valve, a migration controller and an impeller direct current power generation accumulator. The electromagnetic directional valve is mounted at the position, between a pneumatic control cabinet and a piston pneumatic control two-position and five-way valve, of a pneumatic control crust breaking and hammer lifting instruction gas circuit. The migration controller drives the electromagnetic directional valve to switch from crust breaking into a hammer lifting instruction so that the remaining period of the crust breaking state can be migrated into hammer lifting earlier after receives a crust breaking in-place signal. The impeller direct current power generation accumulator utilizes air pressure potential and stores driving electric energy of the electromagnetic directional valve. Through the aluminum cell self-adaptation crust breaking device, an original gas circuit and an electronic control system are not changed; through the crust breaking in-place signal, a closed-loop control measure is added for establishing the self-adaptation device, the contact time of a hammer and a molten electrolyte is shortened, the crust breaking process is optimized, and thus the series of problems caused by ladle sticking are solved.

Description

technical field [0001] The invention belongs to the technical field of measurement and control, and in particular relates to an aluminum groove self-adaptive shelling device. Background technique [0002] In normal production of aluminum electrolytic cells, a hard electrolyte shell will be formed on the 950°C molten electrolyte, which hinders the addition of alumina to the electrolytic cell. [0003] The shelling hammer uses the power of the shelling cylinder to impact and penetrate the electrolyte shell, so as to ensure that the alumina raw material enters the electrolytic cell through the shell hole pierced. [0004] Because the shelling hammer will enter the molten electrolyte during work, the shelling hammer is constantly worn and melted, so it must be replaced regularly. And during the shelling process, the shelling hammer head enters the molten electrolyte, and the direct current of the electrolytic cell will be connected to the upper part of the electrolytic cell thr...

Claims

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Application Information

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IPC IPC(8): C25C3/14C25C3/20
CPCC25C3/14C25C3/20
Inventor 胡狄辛
Owner 中冶赛迪电气技术有限公司
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