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Raymond Mill Ore Grinding Mill 30mm Feed Size Device For Purification
1. Main structure of Raymond mill
The structure of the machine is mainly composed of main engine, analyzer, fan, finished product cyclone separator, fine powder cyclone separator and air duct. Among them, the main engine consists of a frame, an air inlet volute, a blade, a grinding roller, a grinding ring and a cover.
2. Working principle of Raymond mill
When working, the materials to be pulverized are fed into the machine from the feeding hopper on the side of the machine cover, and rely on the grinding roller device suspended on the plum blossom frame of the main machine to revolve around the vertical axis, and at the same time rotate itself, due to the centrifugal force during rotation, The grinding roller swings outward and presses against the grinding ring, so that the shovel scoops up the material and sends it between the grinding roller and the grinding ring.
3.Ore grinding mill technical parameters
| Raymond mill model and technical parameters | ||||||
| model | 6R4525 | 5R4119 | 4R3216 | 3R75 | 3R65 | 3R60 |
| parameter | ||||||
| Feed particle size (mm) | ≤30 | ≤25 | ≤25 | ≤20 | ≤15 | ≤15 |
| Finished particle size (mm) | 0.125- 0.044 | 0.125- 0.044 | 0.125- 0.044 | 0.125- 0.044 | 0.125- 0.044 | 0.125- 0.044 |
| Shift production of different material fineness (t) | 16-120 | 8-60 | 4-45 | 1.5-20 | 1-18 | 0.5-8 |
| Central shaft speed (r/min) | 82 | 105 | 130 | 160 | 180 | 280 |
| Grinding ring diameter (mm) | 1770 | 1400 | 1073 | 865 | 725 | 495 |
| Roller diameter (mm) | 450 | 410 | 320 | 260 | 210 | 140 |
| Roller height (mm) | 250 | 190 | 160 | 150 | 150 | 100 |
| host motor | y315m- 4-132 | y280s- 4-75 | y225s- 4-37 | y225s- 8-18.5 | y200L- 8-15 | y160m- 6-7.5 |
| Fan motor | y315m- 4-132 | y250m- 4-75 | y200L- 4-37 | y160L- 4-15 | y160m- 4-11 | y132s- 2-5.5 |
| Analyzer Motor | y160m- 4-11 | yc200- 4B-7.5 | yc120- 4a-5.5 | y112m- 6-202 | y112m- 6-2.2 | y90L- 6-1.1 |
4. Wind selection process of Raymond mill
After the material is ground, the fan blows the wind into the main casing to blow up the powder, which is sorted by the analyzer placed above the grinding chamber. The material with excessive fineness falls into the grinding chamber for regrinding. It enters the cyclone collector with the wind flow, and is discharged through the powder outlet after collection, which is the finished product. The air flow is returned to the fan through the return air pipe at the upper end of the large cyclone collector. The air path is circulating and flows under negative pressure. The increased air volume of the circulating air path is discharged through the exhaust pipe between the fan and the main engine, and enters the small cyclone collection. device for purification.
5.Ore grinding mill photo explanation
