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Raymond mill
Hongxing Raymond mill is applicable to the grinding and processing of more than 280 kinds of non-flammable and non-explosive materials with hardness less than 7 and humidity less than 6% in mining, construction, chemical industry and metallurgy, such as barite, calcite, feldspar, talcum, marble, limestone, clay and glass.
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Introduction to Raymond Mill

Hongxing Raymond mill is applicable to the grinding and processing of more than 280 kinds of non-flammable and non-explosive materials with hardness less than 7 and humidity less than 6% in mining, construction, chemical industry and metallurgy, such as barite, calcite, feldspar, talcum, marble, limestone, clay, glass. The fineness of the finished product can be adjusted from 100 meshes to 325 meshes according to requirements.
Working Process of Raymond Mill
Load the stuff for grinding evenly and continuously into the grinding chamber of the main frame. Due to the centrifugal force in rotation, the roller swings outward and presses closely upon the ring. The shovel carries the stuff to the space between the roller and ring. When the roller rolls, the stuff is thus ground.
After being ground, the stuff is to be routed to the sorter along the wind belt of the blower and the rough powder will be put back to the grinder for regrinding. The fine powder flows into the product cyclone collector together with airflow and is expelled from the powder output pipe as product.
In the grinding chamber, since the stuff may contain moisture to some extent, the heat generated during grinding makes the moisture evaporate. since the pipeline joints are not airtight, the external air is sucked in and the circulation air mass increases. In order to enable the grinder to work under negative pressures, the increased airflow is guided to the duster anew sequentially to the atmosphere after purification.
Working Features of Raymond mill
1. The floor standing model, small occupation area, high system; from the coarse processing of the raw materials to the powder-making and the final package, it can form an independent production system.
2. The screening effects can reach 99% compared with other grinding equipment.
3. The transmitting equipment adopts the closed gear box and conveyor featuring the stable transmitting and reliable function.
4. The key spare parts adopt the quality cast spare parts, featuring the fine crafts and strict flow, which ensures the durability of the whole equipment.
5. The electric system adopts the central control system and can realize the unmanned operation in the workshop.
Main Features and Benefits of Raymond mill
1. Strong integration capacity, space saving
2. The screen-passing rate can reach 99%
3. Easy operation, light in weight
4. Lower oil and power consumption
|
Type
Parameter
|
6R4525 | 5R4119 | 4R3216 | 3R90 | 3R85 | 3R75 | 3R65 | 3R60 |
| 4R90 | 4R85 | |||||||
| Feeding size (mm) |
≤30 | ≤25 | ≤25 | ≤25 | ≤20 | ≤20 | ≤15 | ≤15 |
| Particle size of finished product (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 |
0.125- 0.044 |
0.125- 0.044 |
| Shift output of different material fineness (t) |
16-120 | 8-60 | 4-45 | 3-35 | 2-28 | 1.5-20 | 1-18 | 0.5-8 |
| Rotation speed of central shart (r/min) |
82 | 105 | 130 | 160 | 160 | 160 | 180 | 280 |
| Diameter of pulverizing ring (mm) |
1770 | 1400 | 1073 | 973 | 885 | 865 | 725 | 495 |
| Diameter of pulverizing roller (mm) |
450 | 410 | 320 | 300 | 270 | 260 | 210 | 140 |
| Height of pulverizing roller (mm) |
250 | 190 | 160 | 160 | 150 | 150 | 150 | 100 |
| Main Motor | Y315m- 4-132 |
Y280s- 4-75 |
Y225s- 4-37 |
Y225m- 8-30 |
Y225m- 8-22 |
Y225s- 8-18.5 |
Y200L- 8-15 |
Y160m- 6-7.5 |
| Fan Motor | Y315m- 4-132 |
Y250m- 4-75 |
Y200L- 4-37 |
Y180m- 4-22 |
Y160L- 4-15 |
Y160L- 4-15 |
Y160m- 4-11 |
Y132s- 2-5.5 |
| Analyzer motor | Y160m- 4-11 |
Yc200- 4B-7.5 |
Yc120- 4a-5.5 |
Y112m- 6-2.2 |
Y112m- 6-2.2 |
Y112m- 6-2.2 |
Y112m- 6-2.2 |
Y90L- 6-1.1 |

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