High-intensity nutation centrifugal ball-bearing mill

A centrifugal ball, high-strength technology, used in grain processing and other directions, can solve the problems of qualified powder affecting the efficiency, the life of the cone-bottom sieve surface cannot be guaranteed, etc. Effect

Active Publication Date: 2011-09-21
SHANDONG HAIHUI ENVIRONMENTAL PROTECTION EQUIP
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The high-strength centrifugal mill reported in the above-mentioned books and periodicals adopts sieving and unloading, which inevitably makes t

Method used

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  • High-intensity nutation centrifugal ball-bearing mill
  • High-intensity nutation centrifugal ball-bearing mill
  • High-intensity nutation centrifugal ball-bearing mill

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Embodiment Construction

[0017] Such as figure 1 -- image 3 As shown, the power input pulley of a high-strength nutating centrifugal ball mill of the present invention 1. The vertically arranged main shaft 4. The lower bearing 2. The push bearing 5. The upper bearing 6 is installed on the base 3. The main shaft 4. The upper key is connected to the slanted hole bushing 9. The crossed roller bearing 11 on the slanted hole bushing is respectively connected by the lower pressure ring 10, the upper pressure ring 12 and the lower grinding chamber 13. The upper center surface of the lower grinding chamber 13 is equipped with a spherical convex Table 14. The radiating feeding bar 32 is arranged on the annular surface of the lower grinding chamber 13. The lower grinding chamber 13 is connected to the upper grinding chamber 15, and the upper limit ring 8. The lower limit ring 7. Forms the grinding mechanism of the high-strength nutating centrifugal ball mill . The winnowing mechanism of the present invention...

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Abstract

The invention relates to a nutation centrifugal ball-bearing mill, comprising a base, a power input belt pulley, a main shaft, an inclined hole shaft sleeve, an up-down milling chamber, a support and a winnowing mechanism. Nutation centrifugal movement drives a medium and a material to do three-dimensional high-intensity centrifugal movement, and the medium in the same weight or volume can obtain higher kinetic energy, thus the sphere diameter of the medium is reduced, the number is increased, and the grinding probability is increased; and compared with the traditional drum-type ball-bearing mill under the condition that equivalent power is input into the centrifugal ball-bearing mill, the overall dimension is reduced by 2/3, the total weight of equipment (containing the medium) is reduced by 3/5, the total system energy consumption is reduced by more than 30%, and the energy conversion rate of the medium in unit volume or weight can reach up to more than10 times of that of the traditional ball-bearing mill. The centrifugal ball-bearing mill provided by the invention is especially applicable to superfine grinding.

Description

Technical field: [0001] The invention belongs to the technical field of powder grinding, and in particular relates to a high-efficiency powder grinding equipment with no critical rotational speed limitation which enables grinding medium balls and materials to obtain high-strength three-dimensional centrifugal acceleration through mechanical nutation motion. Background technique: [0002] The existing powder grinding equipment, such as the traditional cylinder ball mill, is limited by the critical speed, and the grinding medium (ball or rod) can only be thrown or dropped to grind the material at a low acceleration of gravity, so the equipment cannot be effectively The kinetic energy is transferred to the medium, so the energy consumption is very high. Compared with the traditional cylindrical ball mill, the present invention has no critical rotational speed because the mill chamber does not rotate around the main shaft, and the semi-circular lower mill chamber with a pull bar...

Claims

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Application Information

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IPC IPC(8): B02C17/14B02C17/18B02C17/24
Inventor 范继云黄琳
Owner SHANDONG HAIHUI ENVIRONMENTAL PROTECTION EQUIP
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