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Raymond
Application scope: Processing of calcium carbonate powder, gypsum powder, non-metallic ore powder, desulfurization materials for power plants, etc. Ma
Product details
Product Features
The Raymond mill adopts advanced structures of similar products at home and abroad, and is updated and improved based on the Raymond mill in the same industry. This equipment has lower power, lower power consumption, smaller footprint, and smaller one-time investment compared to ball mills. The grinding roller is tightly pressed against the grinding ring under the action of centrifugal force, so when the grinding roller and grinding ring wear to a certain thickness, it does not affect the yield and fineness of the finished product. Wear prone parts such as grinding rings and rollers have a long service life. The air flow of this machine is circulated within the fan grinding shell cyclone separator fan system, resulting in low dust, clean operation workshop, and pollution-free environment. The particle size of the finished product can be adjusted as needed within the range of 60-400 mesh, and some materials can reach up to 600 mesh.
Performance advantages
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Efficient and energy-saving
When the fineness of the finished product and the power of the motor are the same, the output is more than twice as high as that of the air flow mill, stirring mill, and ball mill. -
Long service life of vulnerable parts
The grinding roller and grinding ring are forged from special materials, greatly improving their utilization. Generally, it can last for more than one year, and when processing calcium carbonate and calcite, its service life can reach 2-5 years. -
High safety and reliability
Due to the absence of rolling bearings and screws in the grinding chamber, there is no problem of bearings and their seals being easily damaged, and there is no problem of screws becoming loose and damaging the machine. -
Environmental protection and cleanliness
Using a pulse dust collector to capture dust and a muffler to reduce noise, it has the characteristics of environmental protection and cleanliness.
Structural composition
The structural composition of Raymond mill
The complete configuration of the ultrafine grinding machine includes a hammer crusher, a bucket elevator, a storage bin, a vibrating feeder, a fine grinding host, a variable frequency classifier, a dual cyclone powder collector, a pulse dust removal system, a high-pressure fan, an air compressor, and an electrical control system.
What are the precautions to be taken in Raymond mill work
1. During the use of Raymond mill, there should be fixed personnel responsible for supervision, and the operators must have a certain level of technical proficiency. Before installation, the operator of the grinding machine must receive necessary technical training to understand the principle and performance of the grinding machine, and be familiar with the operating procedures.
2. After using the Raymond mill for a period of time, maintenance should be carried out, and vulnerable parts such as the grinding roller, grinding ring, scraper, etc. should be repaired and replaced. The connecting bolts and nuts of the grinding roller device should be carefully inspected before and after use to see if there is any looseness and whether the lubricating grease is sufficient.
3. When the grinding roller device is used for more than 500 hours and the grinding roller is replaced again, the rolling bearings inside the roller sleeve must be cleaned, and damaged parts should be replaced in a timely manner. The refueling tools can be manual refueling pumps and grease guns.
Working principle
The complete structure of Raymond mill is composed of a main engine, an analyzer, a pipeline device, a blower, and can be equipped with crushers, elevators, electromagnetic vibration feeders, electric control motors, etc. according to user needs. After the material is crushed to the required particle size, it is sent to the storage hopper by the elevator, and then uniformly and continuously fed into the grinding chamber of the Raymond mill by the vibrating feeder. Due to the centrifugal force during rotation, the grinding roller swings outward and presses tightly against the grinding ring. The shovel picks up the material and sends it between the grinding roller and the grinding ring, achieving the purpose of crushing due to the rolling of the grinding roller. The fine powder after material grinding is carried into the analyzer for sorting by the circulating air of the blower. The fine and coarse materials fall back for regrinding, while the qualified fine powder enters the finished product cyclone powder collector with the airflow and is discharged through the powder outlet pipe, which is the finished product.
Technical Parameter
| Model number | Number of grinding rollers | Grinding roller size (R × H) mm | Inner diameter and height of grinding ring (mm) | Large feed particle size (mm) | Finished product particle size (mm) | Output (t/h) | Dimensions (m) |
|---|---|---|---|---|---|---|---|
| YGM75 | 3 | 260×150 | 780×150 | 15 | 0.613-0.033 | 1-3 | 3×3.5×5.1 |
| YGM85 | 3 | 270×140 | 830×140 | 20 | 0.613-0.033 | 1.2-4 | 3×4.1×5.2 |
| YGM95 | 4 | 310×170 | 950×170 | 25 | 0.613-0.033 | 2.1-5.6 | 7.1×5.9×7.9 |
| YGM130 | 5 | 410×210 | 1280×210 | 30 | 0.613-0.033 | 2.5-9.5 | 7.9×8.0×9.7 |
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