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Continuous casting device for aluminum alloy and composite plate strip billet thereof and working method

A technology of composite strip and aluminum alloy, which is applied in the field of continuous casting, can solve the problems of long cooling zone, dullness, segregation of alloying elements, etc., and achieve the effects of reducing central band segregation, increasing cooling strength, and improving surface quality

Inactive Publication Date: 2020-12-29
NORTHEASTERN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this continuous casting method uses two upper and lower steel strips or aluminum strips as the cooling surface, the cooling zone is longer, and the steel strips gradually break away from the surface of the slab during the cooling of the alloy melt.
Similar to continuous casting and rolling, there is a serious problem of segregation of alloying elements, and the surface of the metal material is dull and pitted, which seriously affects the application of the material

Method used

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  • Continuous casting device for aluminum alloy and composite plate strip billet thereof and working method
  • Continuous casting device for aluminum alloy and composite plate strip billet thereof and working method

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Embodiment Construction

[0034] The present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited by the accompanying drawings.

[0035] figure 1 It is a schematic diagram of the main structure of the continuous casting device of the present invention, as shown in the figure: a continuous casting device for aluminum alloy and its composite strip blank, including an uncoiler 1, a guide roller 2, a pinch roller 3, and a water spray cooling device 4 , side seal block chain 11, side seal block chain guide device, dummy block 8 and casting nozzle 6;

[0036] The uncoiler 1 includes an upper uncoiler and a lower uncoiler, which are placed symmetrically above and below the pinch roller 3, and are used for uncoiling the composite layer metal strip 5, and controlling its tension to ensure the straightness of the strip;

[0037] The guide rollers 2 are two groups, 2-3 in each group, placed symmetrically above ...

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Abstract

The invention provides a continuous casting device and process for an aluminum alloy and a composite plate strip billet thereof. A solid composite layer made of same or dissimilar metal materials serves as the surface layer of a plate billet, melt is poured into a cavity formed with upper and lower solid surface layer metal and side sealing plates, and under the cooling action of cooling water onthe solid composite layer, the cooling and solidification processes of the internal metal melt are realized.

Description

technical field [0001] The invention relates to the technical field of continuous casting, in particular to a continuous casting device and process for aluminum alloy and its composite strip blank. Background technique [0002] At present, industrial aluminum alloy strip blanks are mainly obtained by semi-continuous casting, cast-rolling and continuous casting. Among them, the semi-continuous casting method has the advantages of low equipment investment and easy operation, and its thickness is mostly above 100mm. The casting speed of semi-continuous casting is relatively slow, generally a few centimeters per minute, and the solidification rate of the material is slow. At the same time, due to the defects of the semi-continuous casting process, the surface of the ingot has segregation, cold shut and scale, etc. Face milling is required, the follow-up process is long, and the proportion of process waste is large, which reduces production efficiency and material utilization, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/14B22D19/16
CPCB22D11/14B22D19/16
Inventor 许光明许久健李勇王昭东
Owner NORTHEASTERN UNIV
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