Aluminum electrolysis high-temperature smoke and aluminum ladle combined conveying system

A technology of high-temperature flue gas and conveying system, which is applied in the field of aluminum electrolysis, can solve the problems of low temperature of aluminum electrolysis flue gas and is not suitable for recycling and processing, and achieve the effects of optimizing aluminum electrolysis operation, reducing energy loss, and reducing labor workload

Active Publication Date: 2017-07-28
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a new type of aluminum electrolysis high-temperature flue gas and aluminum bag combined conveying system to realize the high-tem

Method used

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  • Aluminum electrolysis high-temperature smoke and aluminum ladle combined conveying system
  • Aluminum electrolysis high-temperature smoke and aluminum ladle combined conveying system

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Embodiment

[0019] see figure 1 and figure 2 , the conveying pipeline in the illustration is a preferred solution of the present invention, which provides a combined conveying scheme of aluminum electrolysis high-temperature flue gas and aluminum ladle, including conveying pipeline 4 for conveying aluminum ladle and high-temperature flue gas and automatic aluminum tapping Package 3, aluminum outlet pipe 31, aluminum outlet track 32, wherein the transportation pipeline 4 is a two-layer composite structure, including an inner pipeline 41 and an outer pipeline 42 that are set inside and outside, wherein the inside of the inner pipeline 41 is used for the pipeline for aluminum package transportation, Connect the aluminum electrolytic cell 100 and the melting and casting workshop 101 respectively, and the interior is equipped with an aluminum ladle self-feeding and conveying component to realize the automatic delivery of the aluminum ladle to automatically transport the molten aluminum in the...

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Abstract

The invention discloses an aluminum electrolysis high-temperature smoke and aluminum ladle combined conveying system which comprises a conveying pipeline conveying high-temperature smoke and aluminum ladles. The conveying pipeline comprises an inner-layer pipeline and an outer-layer pipeline, wherein the inner pipeline is an aluminum ladle conveying pipeline and is connected with aluminum electrolytic cells and a casting workshop, the inner pipeline is internally provided with aluminum outlet pipes in butt joint with aluminum outlets in the lower portions of aluminum electrolytic cells, and automatic aluminum discharging ladles and an automatic aluminum ladle conveying assembly are arranged in the inner pipeline. The inner pipeline is sleeved with the outer pipeline, and an annular-section pipe cavity used for conveying high-temperature smoke is formed between the outer wall of the inner pipeline and the outer pipeline. A smoke pipe of an aluminum electrolytic cell gas collecting cover communicates with the outer pipeline through a smoke pipe and is connected to a smoke treatment system through the outer pipeline. By means of the aluminum electrolysis high-temperature smoke and aluminum ladle combined conveying system, aluminum electrolysis cell high-temperature smoke and aluminum ladle combined automatic conveying is achieved, high-temperature smoke and molten aluminum are subjected to mutual heat preservation, energy losses of the high-temperature smoke and the molten aluminum in the transporting process are greatly reduced, aluminum electrolytic operation is optimized, and a key function is achieved for intelligence of aluminum electrolysis.

Description

technical field [0001] The invention belongs to aluminum electrolysis technology, and in particular relates to a combined conveying system of aluminum electrolysis high-temperature flue gas and aluminum cladding. Background technique [0002] Due to the air mixed in the traditional electrolytic cell during the pole change process, the temperature of the flue gas is relatively low, mostly more than 300 degrees, and the utilization rate of the remaining heat is extremely low. Most aluminum factories basically do not treat it. However, these low-temperature flue gases are indeed the largest piece of heat loss in the aluminum electrolytic cell. According to actual tests, the heat taken away by the aluminum electrolytic flue gas accounts for about 40-60% of the total energy loss of the electrolytic cell. If the heat is recovered, the comprehensive energy consumption of aluminum electrolysis can be greatly reduced. At present, the biggest problem in recycling is that the temperat...

Claims

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Application Information

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IPC IPC(8): C25C3/08C25C3/22
CPCC25C3/08C25C3/22
Inventor 张红亮李劼汤卓李天爽孙珂娜丁凤其邹忠
Owner CENT SOUTH UNIV
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