Collecting device of smoke in electrolysis

A collection device and flue gas technology, which is applied in the field of electrolytic flue gas collection devices, can solve the problems of reduced flue gas collection rate, heavy exhaust fan load, uneven negative pressure distribution, etc., and achieve simple structure and uniform negative pressure distribution , the effect of easy molding

Inactive Publication Date: 2013-03-27
YUNNAN YONGXIN ALUMINUM +1
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  • Abstract
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  • Claims
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Problems solved by technology

The problems of the traditional layout are that the negative pressure distribution is uneven, the negative pressure loss at the far end (from the smoke exhaust fan) is large, the smoke collection rate decreases, and the load of the smoke exhaust fan is large

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  • Collecting device of smoke in electrolysis

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Embodiment Construction

[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention, but should not be construed as limiting the present invention.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" and other directions or positions indicated The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the prese...

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Abstract

The invention discloses a collecting device of smoke in electrolysis. The collecting device comprises a main first main smoke pipe, a second main smoke pipe, a first smoke branch pipe, a second smoke branch pipe and a main smoke pipe. The collecting device is characterized in that the first ends of the first main smoke pipe and the second main smoke pipe are respectively closed, and the second end of the first smoke branch pipe and the second end of the second smoke branch pipe are communicated; the first end of the first smoke branch pipe is communicated with the first main smoke pipe, and the first end of the second smoke branch pipe is communicated with the second main smoke pipe; and the first end of the main smoke pipe is connected to the connecting position of the first main smoke pipe and the second main smoke pipe, and the second of the main smoke pipe is connected to an exhaust fan. According to the collecting device disclosed by the invention, the negative pressure distribution of all the smoke pipes is uniform, so that the smoke in electrolysis is conveniently collected; and in addition, the heat exchange area of the smoke in electrolysis is enlarged, the radiation of the smoke in electrolysis is convenient and the radiating efficiency of the collecting device is improved.

Description

Technical field [0001] The invention relates to the technical field of electrolysis equipment manufacturing, in particular to a collection device for electrolysis flue gas. Background technique [0002] During the aluminum electrolysis production process, a large amount of flue gas will be generated. The flue gas from the electrolysis must be pumped away by the negative pressure generated by the exhaust fan through the gas collecting device on the electrolysis cell and the corresponding pipe network system, and collected into the purification equipment and fresh Alumina is mixed to achieve the purpose of purification and recycling. In this process, the flue gas pipeline is the equipment for flue gas capture and flue gas flow. The advantages and disadvantages of the layout of the flue gas pipeline are directly related to the energy loss of the flue gas in the pipeline. The traditional flue gas pipe layout is that the electrolysis branch pipe is connected to the main pipe, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/22
Inventor 杨叶伟王伟熊自勇王洪寸永柱黄先伟
Owner YUNNAN YONGXIN ALUMINUM
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