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Ultrasonic-crushing planetary ball mill

A planetary ball mill and ultrasonic crushing technology, which is applied in grain processing and other directions, can solve the problems that materials with high hardness cannot be crushed to the nanometer level, and achieve the effects of small energy loss, high ultrasonic frequency, and accelerated material circulation.

Inactive Publication Date: 2016-09-07
HEFEI GUOXUAN HIGH TECH POWER ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that traditional planetary ball mills cannot or cannot efficiently pulverize materials with high hardness to the nanometer level of 50-1000nm, the present invention provides an ultrasonic crushing planetary ball mill that can pulverize materials with high hardness to the nanometer level. Improve ball milling efficiency and shorten working time

Method used

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  • Ultrasonic-crushing planetary ball mill
  • Ultrasonic-crushing planetary ball mill
  • Ultrasonic-crushing planetary ball mill

Examples

Experimental program
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Effect test

Embodiment 1

[0028] In this embodiment, the inner diameter of the ball milling tank 3 used for holding materials is 50 mm, and the outer diameter is 60 mm. The material of the ball mill is zirconia, the material of the balls is zirconia, and the average diameter of the balls is 1 mm.

[0029] Such as figure 1 As shown, the centerline of the ultrasonic generator 4 coincides with the centerline of the ball mill jar 3, and the inclination angle is 0°. The distance between the bottom of the sonotrode and the bottom of the ball mill jar is 2mm, the length of the sonotrode into the mill jar part is 58mm, the height of the ball mill jar is 60mm, and the speed control of the ball mill is 400rpm.

[0030] The planetary gear transmission mechanism 1 is provided with 6 ball milling tanks 3, and an ultrasonic generator is placed on the upper cover of each ball milling tank, and the ultrasonic generator is connected to the upper cover of the ball milling tank by welding, and the ultrasonic generator i...

Embodiment 2

[0033] In this embodiment, the inner diameter of the ball milling tank 3 used for holding materials is 300 mm, and the outer diameter is 320 mm. The material of the ball mill is zirconia, the material of the balls is zirconia, and the average diameter of the balls is 5mm.

[0034] Such as figure 2 As shown, the planetary gear transmission mechanism 1 is provided with 2 ball milling tanks 3, and 6 ultrasonic generators 4 are placed on the side of each ball milling tank, and the ultrasonic generators are evenly distributed at 60°. image 3 . The inclination angle of the centerline of described sonotrode 4 and the centerline of ball mill jar 3 is 45 °, the bottom of sonotrode is 5mm from the distance of ball mill jar bottom, the ball mill jar height is 320mm, and the speed control of ball mill is 400rpm.

[0035] The ultrasonic generator 4 is connected to the side of the ball mill tank 3 by welding, and the ultrasonic generator goes deep into the fixed tank and directly contac...

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Abstract

The invention provides an ultrasonic-crushing planetary ball mill which comprises a planetary gear transmission mechanism. The input end of the planetary gear transmission mechanism is connected with a motor. At least two ball mill tanks are arranged on a rotary disc of the planetary gear transmission mechanism. An ultrasonic generator is arranged in each ball mill tank. When planetary ball milling is carried out on materials by the ultrasonic-crushing planetary ball mill, ultrasonic wave intensity energy fields are exerted, and therefore while even material mixing is achieved, material powder can be crushed into the nanometer order from the micro order; and the ultrasonic-crushing planetary ball mill has the advantages of being simple in structure, high in ball milling efficiency and capable of crushing powder.

Description

technical field [0001] The invention relates to the technical field of ball mills, in particular to a planetary ball mill using ultrasonic crushing. Background technique [0002] At present, the planetary ball mill is developed based on the function of mixing and finely grinding small amounts of metal, non-metal, and organic material samples, which can realize simultaneous processing of multiple samples. When the rotating disc revolves, multiple ball milling tanks and the rotating disc form a planetary motion, and the ball milling tanks undergo self-propagation to drive the grinding balls in the ball milling tanks to collide with each other at high speed, so as to mill the powder and achieve the effect of mixing and crushing materials . However, the planetary ball mill cannot or cannot efficiently pulverize materials with a relatively large hardness and an average particle size of several microns to tens of microns to a nanometer level of 50-1000nm, such as metals and inorg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C17/08B02C17/10B02C17/20B02C19/18
CPCB02C17/08B02C17/10B02C17/20B02C19/18
Inventor 徐平红陈方高玉仙
Owner HEFEI GUOXUAN HIGH TECH POWER ENERGY
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