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Planetary mill

A grinding machine and planetary technology, applied in the field of grinding machinery, can solve the problems of low grinding efficiency and high unit power consumption, and achieve the effects of improving grinding efficiency, long working cycle, and improving grinding probability and efficiency

Pending Publication Date: 2020-07-31
矫玉进
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 4. Grinding efficiency: The ball mill relies on the rotation of the cylinder to drive a large number of steel balls inside to roll and drop the grinding. The impact and rolling grinding area between the steel balls is the relationship between points and lines, so the grinding efficiency is not high.
Therefore, the power consumption is relatively high

Method used

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  • Planetary mill

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Embodiment Construction

[0020] The object of the present invention is achieved in this way: the pre-crushed ore below 20mm enters the distribution tray through the feed port, the motor drives the planetary roller drive arm to rotate, drives the planetary roller to revolve and rotate, and synchronizes with the planetary roller drive arm The rotating distributing plate, under the action of centrifugal force, evenly distributes the material to the upper material to be ground. After being repeatedly rolled by the upper planetary roller, it overflows to the middle material to be grinded. After repeated rolling, it overflows to the lower stage where the material is to be ground. After repeated rolling by the lower planetary rollers, it overflows to the discharge port below, completing the grinding process. By controlling the feeding amount and the orbital angular velocity of the planetary rollers, the economic and technical indicators can be easily controlled. It can be equipped with an external high-effic...

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Abstract

The invention provides a planetary mill. The planetary mill comprises a feed inlet, a distribution plate, a planetary roller revolution driving arm, planetary rollers, a planetary roller sleeve, a planetary roller track bushing, a material to-be-milled step, a revolution driving mechanism, a machine body and the like. Ores which are crushed to be less than 20 millimeters in advance are subjected to step-by-step, repeated rolling and overflow discharge through six planetary rollers on an upper layer, a middle layer and a lower layer. Any fineness required by a process can be achieved only by controlling the feeding speed of materials and the revolution angular velocity of the planetary rollers. According to the process requirement, an external high-efficiency energy-saving powder concentrator can be configured to form closed-circuit grinding.

Description

technical field [0001] The invention relates to a grinding machine for ore grinding in cement plants, mineral processing plants, etc., which can grind materials below 20 mm to any fineness required by the process. As long as the feeding speed and planetary roller revolution angular speed are controlled, the fineness of the product can be controlled. degree and capacity. Background technique [0002] The economic and technical indicators of grinding are: [0003] 1. Fineness requirements: According to different products in various industries, the fineness requirements for mineral powder are different, ranging from tens of mesh to hundreds of mesh. [0004] 2. Metal consumption: the amount of metal consumed by grinding one ton of ore, the current consumption of ball mills is about 300 grams, and the amount of metal consumed by vertical mills is relatively small. [0005] 3. Unit power consumption for grinding: it is the power consumption required to grind one ton of ore powd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C17/08
CPCB02C17/08
Inventor 矫玉进
Owner 矫玉进
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