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Uniform dispersion method of graphite granules in QTi3.5-10 graphite semi-solid slurry

A semi-solid slurry, graphite particle technology, applied in chemical instruments and methods, stirring devices, mixers, etc., can solve the problems of shortening the uniform dispersion time and long uniform dispersion time of graphite particles, shortening the uniform dispersion time, promoting the Evenly distributed effect

Inactive Publication Date: 2011-09-14
BEIJING JIAOTONG UNIV
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  • 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 overcome the deficiency of "long uniform dispersion time" of the existing electromagnetic + mechanical preparation method, and provide a method that can quickly realize the uniform dispersion of graphite particles in QTi3.5-10 graphite semi-solid slurry, Further shorten the homogeneous dispersion time to achieve uniform distribution of graphite particles

Method used

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  • Uniform dispersion method of graphite granules in QTi3.5-10 graphite semi-solid slurry
  • Uniform dispersion method of graphite granules in QTi3.5-10 graphite semi-solid slurry
  • Uniform dispersion method of graphite granules in QTi3.5-10 graphite semi-solid slurry

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Embodiment approach 1

[0023] Embodiment 1, when the vertical movement speed of the mechanical disperser is 3mm / s, and the uniform dispersion temperature is 990°C, when the arc-shaped blades of the upper and lower layers of the double-bladed mechanical disperser have the radians of the concave arc surfaces of 59° and 79° respectively , the uniform dispersion time of QTi3.5-10 graphite semi-solid slurry to achieve uniform distribution of graphite particles is 8 minutes and 20 seconds.

Embodiment approach 2

[0024] Embodiment 2, when the vertical movement speed of the mechanical disperser is 1mm / s, and the uniform dispersion temperature is 990°C, when the arc-shaped blades of the upper and lower layers of the double-bladed mechanical disperser have a curvature of 59° and 81° respectively , the uniform dispersion time of QTi3.5-10 graphite semi-solid slurry to achieve uniform distribution of graphite particles is 8 minutes and 30 seconds.

Embodiment approach 3

[0025] Embodiment 3, when the vertical movement speed of the mechanical disperser is 10mm / s, and the uniform dispersion temperature is 1010°C, when the arc-shaped blades of the upper and lower layers of the double-blade mechanical disperser have the radians of the concave arc surfaces of 61° and 79° respectively , the uniform dispersion time of QTi3.5-10 graphite semi-solid slurry to achieve uniform distribution of graphite particles is 8 minutes and 30 seconds.

[0026] Embodiment 4, when the vertical movement speed of the mechanical disperser is 10mm / s, and the uniform dispersion temperature is 1010°C, when the arc-shaped blades of the upper and lower layers of the double-blade mechanical disperser have the radians of the concave arc surfaces of 61° and 81° respectively , the uniform dispersion time of QTi3.5-10 graphite semi-solid slurry to achieve uniform distribution of graphite particles is 8 minutes and 20 seconds.

[0027] Embodiment 5, when the vertical movement speed...

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Abstract

The invention discloses a uniform dispersion method of graphite granules in QTi3.5-10 graphite semi-solid slurry, and belongs to the field of uniform dispersion researches of the graphite granules in the QTi3.5-10 graphite semi-solid slurry. The graphite granules in the QTi3.5-10 graphite semi-solid slurry are uniformly dispersed by adopting an electromagnetic and mechanical preparation method and using a double-blade-layer mechanical disperser under the condition that the radians of the concave arc surfaces of arc blades of the upper and the lower layers are 59 to 61 degrees and 79 to 81 degrees respectively; uniform distribution of the graphite granules can be quickly realized; and the uniform dispersion time can be shortened to 8 minutes and 30 seconds.

Description

technical field [0001] The invention relates to a method for uniformly dispersing graphite particles in QTi3.5-10 graphite semi-solid slurry. Background technique [0002] Publication number: CN1768979A, title of invention: "A method for preparing QTi3.5-10 graphite semi-solid slurry", described the electromagnetic + mechanical preparation method of QTi3.5-10 graphite semi-solid slurry, that is, using electromagnetic stirring The device is stirred to break the primary dendrites formed during the solidification of the QTi3.5 titanium bronze alloy liquid, and first form a QTi3.5 titanium bronze semi-solid slurry composed of primary solid phase particles and liquid phase; then, with the help of a mechanical disperser And its up and down movement control device continuously disperses the graphite particles floating on the upper part of the QTi3.5 titanium bronze semi-solid slurry in the crucible into the QTi3.5 titanium bronze semi-solid slurry. In this electromagnetic + mechan...

Claims

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Application Information

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IPC IPC(8): C22C1/10C22C9/00B01F13/10F27D27/00
Inventor 杜云慧张鹏刘汉武
Owner BEIJING JIAOTONG UNIV
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