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Ultrafine powder grinding preparation device and method

An ultra-fine powder and preparation device technology, applied in grain processing and other directions, can solve the problems of difficulty in preparing ultra-fine powder, long grinding time, low grinding efficiency, etc., and achieve high screening efficiency, continuous preparation, and simple structure. Effect

Pending Publication Date: 2021-04-06
辽宁荣邦科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the present invention studies and designs an ultrafine powder grinding preparation device and method to solve the problems of low grinding efficiency, long grinding time, high energy consumption and difficulty in preparing ultrafine powder of traditional Raymond machines.

Method used

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  • Ultrafine powder grinding preparation device and method
  • Ultrafine powder grinding preparation device and method

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Such as Figure 1-2 As shown, an ultrafine powder grinding preparation device includes a housing 1 , a first grinding mechanism 2 , a second grinding mechanism 3 , a screening device 4 and a first fan 5 . The casing 1 is a hollow structure, and the casing 1 is provided with an inlet 11 and an outlet 12 , the inlet 11 is arranged on the side of the casing 1 , and the outlet 12 is arranged on the top of the casing 1 . The first grinding mechanism 2 is located at the bottom of the housing 1. The first grinding mechanism 2 includes a first driving device 21, a first speed reducer 23, a first main shaft 24 and a grinding disc 25. The first driving device 21 passes through the first shaft coupling. 22 is connected with the first reducer 23, the output end of the first reducer 23 is connected with one end of the first main shaft 24, and the other end of the first main shaft 24 is connected with the grinding disc 25. The grinding disc 25 is arranged in the casing 1, and the gr...

Embodiment 2

[0043] The difference from Example 1 is that a method for preparing magnesium hydroxide powder comprises the following steps:

[0044] S1. Mix light-burned magnesium oxide powder with water to form a slurry with a solid mass fraction of 30% to 70%. The slurry is added to the base 252 of the grinding disc 25 through the feed port 11, and the first driving device 21 and the second driving device 31 are turned on at the same time, and the first driving device 21 drives the first coupling 22 and the first reducer 23 to work , and the first reducer 23 drives the first main shaft 24 and the grinding disc 25 to rotate clockwise at a speed of 200 rpm, and the material flows into the inner peripheral grinding ring 251 under the action of centrifugal force; the second driving device 31 drives the second shaft coupling 32, the second reducer 33 work, and the second reducer 33 drives the grinding roller 39 to rotate counterclockwise, and the rotating speed is 200 rpm. At this time, the si...

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Abstract

The invention discloses a superfine powder grinding preparation device and method. The device comprises a shell, a first grinding mechanism, a second grinding mechanism, a screening device and a first draught fan; a feeding port and a discharging port are arranged on the shell; the first grinding mechanism comprises a first driving device, a first speed reducer, a first main shaft and a grinding disc which are connected in sequence; the grinding disc can rotate with the first main shaft as a rotating shaft; the second grinding mechanism comprises a second driving device, a second speed reducer, a second main shaft, a rotary table supporting frame and a grinding roller which are connected in sequence; a rotary table supporting frame and a grinding roller can rotate with the second main shaft as a rotating shaft; the grinding roller and the grinding disc are matched for grinding; and a first air inlet and the screening device are arranged on the shell; The invention further discloses a method applying the device. According to the ultrafine powder grinding preparation device and the method provided by the invention, the grinding roller and the grinding disc rotate in opposite directions at a high speed, and are matched with wind power movement opposite to the rotating direction of the grinding roller, so that raw materials can be efficiently ground and ground, and the materials can be ground into ultrafine powder in a short time.

Description

technical field [0001] The invention relates to the technical field of powder preparation, in particular to an ultrafine powder grinding preparation device and method. Background technique [0002] Raymond machine has excellent grinding performance, it can efficiently grind barite, calcite, dolomite, limestone, activated carbon, cement, phosphate rock, gypsum and other raw materials into fine powder, which is widely used in industrial production , daily life and many other fields. The traditional Raymond machine includes grinding rollers, grinding rings, scrapers, powder classifiers, blowers and other parts. Self-rotating, the grinding roller swings outward under the action of centrifugal force, pressing the grinding ring tightly, the blade scoops up the material and sends it between the grinding roller and the grinding ring, and the material is broken into fine powder under the rolling and rolling of the grinding roller. [0003] Although the traditional Raymond machine c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C15/08B02C23/32
CPCB02C15/08B02C23/32B02C2015/002
Inventor 王宁会宋立凯孙守刚孟庆臻朱益民刘伟凤唐晓佳闯恒超杜钟原
Owner 辽宁荣邦科技有限公司
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