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Stirring device for preparing magnesium-based composite material, and container

A stirring device and composite material technology, applied to mixers with rotating stirring devices, mixers, chemical instruments and methods, etc., can solve problems such as unsatisfactory stirring effects, reduce void ratio and oxidize slag inclusions, prevent Incorporation of agglomeration enhancer, effect of uniformity improvement

Active Publication Date: 2019-05-07
CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the stirring paddles commonly used in the industry are mainly blade-type rigid stirring paddles, and the stirring effect is not particularly ideal.

Method used

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  • Stirring device for preparing magnesium-based composite material, and container

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0075] The stirring paddle used to prepare the magnesium-based composite material includes a single paddle composed of a connecting rod 1 and a stirring paddle 2. After combining four single paddles into a set of stirring paddles, they are inserted into the fixing device 3 and connected by bolts 4 to fix.

[0076] The shape of the stirring blade is a sickle-shaped blade, the initial section is arc-shaped, and the subsequent section is straight-line, which conforms to the streamline form of the J-shaped curve.

[0077] The width of the stirring blade gradually narrows outward from the connecting rod, and the width of the tip of the blade is 50% of that of the root of the blade.

[0078] The cross-sectional dimension of the root of the stirring blade is width:thickness=4:1.

[0079] The axial height of the stirring paddle is 75% of the height of the melt in the crucible, and the ratio of the length of the stirring shaft to the length of the sickle-shaped paddle is 1.6:1. The l...

Embodiment 2

[0091] The stirring paddle used to prepare the magnesium-based composite material includes a single paddle composed of a connecting rod 1 and a stirring paddle 2. After combining four single paddles into a set of stirring paddles, they are inserted into the fixing device 3 and connected by bolts 4 to fix.

[0092] The shape of the stirring blade is a sickle-shaped blade, the initial section is arc-shaped, and the subsequent section is straight-line, which conforms to the streamline form of the J-shaped curve.

[0093] The width of the stirring paddle gradually narrows outward from the connecting rod, and the width of the paddle tip is 70% of that of the paddle root.

[0094] The cross-sectional dimension of the root of the stirring blade is width:thickness=3:1.

[0095] The axial height of the stirring paddle is 90% of the height of the melt in the crucible, and the ratio of the length of the stirring shaft to the length of the sickle-shaped paddle is 0.8:1. The length of th...

Embodiment 3

[0106] The stirring paddle used to prepare the magnesium-based composite material includes a single paddle composed of a connecting rod 1 and a stirring paddle 2. After combining four single paddles into a set of stirring paddles, they are inserted into the fixing device 3 and connected by bolts 4 to fix.

[0107] The shape of the stirring blade is a sickle-shaped blade, the initial section is arc-shaped, and the subsequent section is straight-line, which conforms to the streamline form of the J-shaped curve.

[0108] The width of the stirring blade gradually narrows outward from the connecting rod, and the width of the tip of the blade is 30% of that of the root of the blade.

[0109] The cross-sectional size of the root of the stirring blade is width:thickness=5:1.

[0110] The axial height of the stirring paddle is 50% of the height of the melt in the crucible, and the ratio of the length of the stirring shaft to the length of the sickle-shaped paddle is 2:1. The length o...

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Abstract

The present invention provides a stirring device for preparing a magnesium-based composite material, and a container. The stirring device comprises a stirring shaft and a plurality of sickle-shaped blades fixed at the bottom end of the stirring shaft; and the length directions of the sickle-shaped blades are consistent with the axial direction of the stirring device. The plurality of split bladesof a sickle-shaped blade combination and the flexible stirring device having a specific structure and having the sickle-shaped blades arranged in the manner of the length direction consistent with theaxial direction of the stirring device are involved in the invention. The stirring device has a good stirring effect, and can fully contact the whole melt in the stirring process to avoid the stirring effect reduction caused by an annular "dead zone" formed at the bottom of the melt; and the stirring blades are easy to clean and bring out less melt, and the magnesium melt adhered to every blade can be fully cleaned due to the split design. The stirring device for preparing the magnesium-based composite material has the advantages of simple preparation process, mass production, and suitableness for industrial promotion, and is expected to be widely applied to the field of preparation of magnesium-based composite materials.

Description

technical field [0001] The invention relates to the technical field of preparing magnesium-based composite materials, and relates to a stirring device and a container for preparing magnesium-based composite materials, in particular to a stirring device and a container for preparing magnesium-based composite materials by stirring casting. Background technique [0002] Stirring, as the most commonly used mixing method in the industry, is a kind of circulation through the agitator, so that the gas, liquid and even suspended particles in the solution are mixed evenly. In order to achieve this purpose, it is necessary to use forced convection and uniform mixing devices. , that is, the stirring device, and the structure of the stirring device is closely related to the state, volume, density, viscosity, mixing requirements or reaction mechanism of the material to be stirred. [0003] Magnesium alloy is currently the lightest metal structural material that can be practically applied...

Claims

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Application Information

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IPC IPC(8): B01F7/00
Inventor 孟健邱鑫孙伟杨强田政牛晓东张德平张栋栋王楠管凯李柏顺
Owner CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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