Working principle
After being smashed to the degree of the demanding granularity, materials would be conveyed by the elevator to the storage hopper then continuously delivered by the vibrating feeder to the grinding chamber. Due to the centrifugal effect during rotation, the grinding roller swings outwards and presses the grinding ring tightly. The shovel blade scoops up the materials to send them to the inbetween of the grinding roller and grinding ring, hence the smashing aim via the roller’s rolling can be realized. The fine powder of the grinded materials will be brought into the analytical engine for separation following the air blower’s circulation. Then the non-fine enough powders will fall into the chamber for another grinding, while the qualified ones will flow into the whirlwind powder collector for the finished products and will be discharged through the powder tube. Those fines become the final products. Besides, due to the fact that certain moisture usually exits in the grinded materials, amount of heat will be produced in the process of grinding, water is going to evaporate and the pipe joints in the machine are lax. Therefore, the inhalation of the air outside results in the increase of the circulating air pressure which ensures a negative-pressure working environment. Eventually, the additional airflow would be discharged into the precipitator via the pipe, getting purified and then discharged into the atmosphere.
Advantages
1.Vertical structure, relatively small covering area, powerful systematicness. It can serve as an independent production system no matter from the materials’ rough machining or conveyed to make powder and the last packaging.
2.Compared with other grinding equipments, Raymond mill possesses a rather high screening rate reaching to 99% that other grinding device cannot achieve.
3.The transmission of Raymond mill applies a closed gear box and belt pulley. Steady transmission, reliable operation.
4.Vital parts adopt superior castings and section bar manufacturing. The delicate workmanship as well as the rigorous flow guarantees the whole set’s durability.
5.Electrical system adopts the centralized control. Unattended operation can be almost achieved in the milling plant. Easy maintenance.

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