Aluminum electrolysis cell forced ventilation afterheat utilization device and utilization method

A technology of forced ventilation and aluminum electrolytic cell, which is applied in the field of waste heat utilization device of forced ventilation of aluminum electrolytic cell, can solve the problems that the electrolytic cell cannot establish a reasonable heat dissipation ratio, insufficient heat preservation, large heat expenditure, unfavorable electrolytic cell, etc., to achieve long-term maintenance Stable and efficient operation, improved energy utilization, and simple structure

Active Publication Date: 2016-01-06
SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above technical problems, the present invention provides a forced ventilation waste heat utilization device and utilization method of an aluminum electrolytic cell. The purpose is to solve the problem that while a large amount of heat is dissipated in the lower part of the existing electrolytic cell, the upper part of the cell often suffers from insufficient heat preservation and the thermal expenditure is too large The phenomenon makes it impossible for the electrolytic cell to establish a reasonable heat dissipation ratio under low voltage, which is not conducive to the further reduction of the cell voltage and the maintenance of long-term stable and efficient operation of the electrolytic cell.

Method used

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  • Aluminum electrolysis cell forced ventilation afterheat utilization device and utilization method
  • Aluminum electrolysis cell forced ventilation afterheat utilization device and utilization method
  • Aluminum electrolysis cell forced ventilation afterheat utilization device and utilization method

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Embodiment 1

[0031] like Figure 1-3 As shown, the forced ventilation waste heat utilization device of the aluminum electrolytic cell, the tank shell 5 of the electrolytic cell, the cradle frame 6 and the tank edge plate 8 form a forced ventilation sealed box 9, and the radiator plate 10 is welded on the tank shell 5 of the sealed box 9, and the radiator plate 10 is a steel plate, the thickness of the cooling plate is 10-30mm, the air inlet pipe 11 is arranged on the sealed box 9, the air inlet pipe 11 is connected with the blower, and the air outlet 12 is opened on the groove along the plate 8, and the air outlet 12 is connected with the horizontal collection exhaust The pipes are connected, and the horizontal collection exhaust pipe includes a central horizontal collection exhaust pipe 13 and an end horizontal collection exhaust pipe 16; the middle horizontal collection exhaust pipe 13 communicates with the vertical exhaust pipe 7, and the vertical exhaust pipe 7 protrudes The trough cov...

Embodiment 2

[0034] like Figure 4-6 As shown, the forced ventilation waste heat utilization device of the aluminum electrolytic cell, the tank shell 5 of the electrolytic cell, the cradle frame 6 and the tank edge plate 8 form a forced ventilation sealed box 9, and the radiator plate 10 is welded on the tank shell 5 of the sealed box 9, and the radiator plate 10 is a steel plate, the thickness of the cooling plate is 10-30mm, the air inlet pipe 11 is arranged on the sealed box 9, the air inlet pipe 11 is connected with the blower, and the air outlet 12 is opened on the groove along the plate 8, and the air outlet 12 is connected with the horizontal collection exhaust The pipes are communicated, and the horizontal collection exhaust pipeline includes a central horizontal collection exhaust pipeline 13 and an end horizontal collection exhaust pipeline 16; the middle horizontal collection exhaust pipeline 13 and the end horizontal collection exhaust pipeline 16 are connected with the vertical...

Embodiment 3

[0037] In embodiment 1, eight middle horizontal collection and exhaust pipes are arranged in the length direction of the tank shell 5 . Others are with embodiment 1.

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Abstract

The invention relates to an aluminum electrolysis cell forced ventilation afterheat utilization device, in particular to the aluminum electrolysis cell forced ventilation afterheat utilization device and a utilization method. A cell shell of an electrolysis cell, a cradle frame and a cell edge plate form a forced ventilation sealing box; the cell shell of the sealing box is welded with a cooling plate; a wind inlet pipe is arranged on the sealing box, and is connected with a wind blower; an exhaust hole is formed in the cell edge plate, and is communicated with a horizontal collection exhaust pipe; and the horizontal collection exhaust pipe is arranged at the outer side of the cell shell, collects forced ventilation tail gas exhausted from the sealing box, and exhausts the tail gas into a cell hearth. The utilization device is simple in structure and convenient for manufacturing and installation, can transfer heat, absorbed from the lower part of the cell, in forced ventilation to the upper part of the electrolysis cell for heating the cell hearth so as to help the electrolysis cell to build excellent heat balance under the low voltage cell condition.

Description

technical field [0001] The invention relates to a forced ventilation waste heat utilization device of an aluminum electrolytic cell, in particular to a forced ventilation waste heat utilization device and a utilization method of an aluminum electrolytic cell. Background technique [0002] Energy saving and emission reduction is the main direction of the development of aluminum electrolysis technology, and the key lies in how to establish and maintain a good heat balance in the electrolytic cell under low voltage. A large amount of heat emitted from the lower part of the traditional electrolytic tank pours into the electrolytic workshop, which increases the temperature of the worker's operating environment. The current method is to transfer part of the heat out of the electrolytic workshop through forced ventilation. While a large amount of heat is dissipated in the lower part of the electrolytic tank, the upper part of the tank often suffers from insufficient heat preservati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/08
Inventor 王富强杨晓东刘雅锋周东方
Owner SHENYANG ALUMINIUM MAGNESIUM INSTITUTE
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