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Aluminium alloy gas film continuous casting crystallizer

A technology for casting molds and aluminum alloys, which is applied in the field of aluminum alloy gas film continuous casting molds, can solve the problem that a continuous and uniform gas film cannot be formed, continuous gas and lubricating oil cannot be provided, and the requirements of the gas film continuous casting process cannot be met, etc. problem, to achieve the effect of simple structure, easy replacement and simple installation

Inactive Publication Date: 2005-06-01
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0006] At present, the hot top continuous casting mold widely used in China is similar in structure to the gas film continuous casting mold, and is lubricated by graphite ring and lubricating oil, but it cannot provide continuous gas and lubricating oil, and cannot form a continuous and uniform gas film.
The internal structure of hot top continuous casting mold cannot meet the process requirements of air film continuous casting

Method used

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  • Aluminium alloy gas film continuous casting crystallizer
  • Aluminium alloy gas film continuous casting crystallizer

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Embodiment Construction

[0017] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] The structure of crystallizer of the present invention is as figure 1 As shown, the water-cooled copper sleeve 10 is inlaid with a graphite ring 7, the two are interference fit, and the outside of the graphite ring 7 is respectively processed with a lubricating oil groove and a gas distribution groove with a width of 1 mm and 3 mm. The lubricating oil groove and gas distribution groove form an annular oil chamber 5 and an annular air chamber 6 distributed along the outside of the graphite ring with the water-cooled copper sleeve wall. The air inlet pipe 9 and the oil inlet pipe 13 on the water-cooled copper sleeve communicate with the corresponding annular air chamber 6 and annular oil chamber 5 on the graphite ring 7 respectively, leading external air and lubricating oil into the annular air chamber 6 and ann...

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Abstract

The aluminum alloy continuous casting gas film crystallizer of aluminum alloy has ring lubricating oil cavity and ring gas cavity formed with graphite ring and water cooled copper jacket in special structure and communicated separately with the lubricating oil pipe and gas tube, so that homogeneous ring oil-gas film is formed on the inner surface of the graphite ring under the action of outer pressure. The graphite ring and the water cooled copper jacket are interference fitted and sealed with high temperature sealing adhesive and sealing rings. One separated circular water cooled jacket is introduced to cool the crystallizer. The crystallizer of the present invention has simple structure, convenient installation, low maintenance cost, and easy replacement of the graphite ring.

Description

technical field [0001] The invention relates to an aluminum alloy gas film continuous casting crystallizer, which is applied to the continuous casting of aluminum alloys. Background technique [0002] In 1936, the Vereinigte light alloy processing plant in Germany used semi-continuous casting machines to produce aluminum alloy billets, marking the beginning of continuous aluminum alloy casting technology with real commercial significance. So far, it has a history of nearly 70 years. The aluminum alloy continuous casting technology develops around the improvement of ingot quality and production efficiency, and a variety of processes have emerged. The typical processes are: traditional direct cooling casting, low mold casting, horizontal casting, electromagnetic casting, hot top casting, air film Casting, hot continuous casting, etc. The main content of the development of aluminum alloy continuous casting technology is related to the improvement of the mold structure, the pur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/04
Inventor 于贇黄延禄许振明李建国
Owner SHANGHAI JIAO TONG UNIV
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