Raymond mill

Raymond mill

Production capacity:0.3-9.5t/h
Max feed size:<=30mm
Applied Materials:barite, calcite, feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate ore, gypsum,
manganese ore, iron ore, copper ore, iron oxide red, slag, grain slag, clinker, insulation materials, etc.


Raymond mill is also called Raymond roller mill, which is the commonly used for milling equipment. It is mainly used for fine powder processing of more than 280 kinds of materials such as barite, calcite, feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, insulation materials and non inflammable and explosive minerals with not more than 9.3Mohs hardness and below 6% high humidity in chemical industry, construction industry and other industries. Raymond mill also has other names, such as Raymond pendulum mill and Raymond grinding mill.

Working principle of Raymond mill:

The jaw crusher breaks the bulk materials to the required particle size, the bucket elevator will convey the materials to the storage bin and then the magnetic vibrating feeder will transport the materials to the main body of the Raymond mill or raymond grinding mill uniformly. When the scraper knife and the grinding roller of raymond grinder rotate at the same time, they raise the materials to the space between the grinder roller and ring, forming a plastic layer. Materials grind each other between in the space between the grinding roll and grinding ring of grinding plant. The ground powder is conveyed to the analytical machine by the draught fan and the fine powder with the required fineness will flow to the cyclone collector along with the air flow. Then they are discharged as the finished particles. The unqualified powder is thrown out of the external wall of the raymond grinding mill and rough powder falls into the grinding chamber under the gravity force. The whole airflow system is a closed circulation under the positive and negative pressure.

Advantages:Inquiry > >

  1. Raymond mill is three-dimensional structure, needs small area, and has complete sets from lump material to final material.
  2. The granularity of final product is uniform, the rate of passing sieve is 99%.
  3. Rotating device of Raymond mill adopts enclosed gear box and belt pulley.
  4. The main products adopts quality steel, and wear-resistance parts adopts high-performance wear-resistance materials.
  5. Electric system of Raymond mill adopts centralized control, and realizes unmanned operation.
Raymond mill is mainly composed of host machine, blower, analysis machine, finished product cyclone separator, piping device, motor and other components. The host is composed of machine frame, wind inlet volute, blade, roll grinding, grinding ring, cover and motor. The auxiliary equipment includes jaw crusher, bucket elevator, electromagnetic vibration feeder and electric control cabinet, customers can choose flexibly according to the actual production situations.

Technical Parameters:Inquiry > >

Type Number of roller
Roller size
Inside diameter and height of ring
Max feed size
Fineness of product
Motor power
Overall size 
3R1510 3 150*100 570*100 15 0.2-0.044 0.3-1.2 7.5 2.0 3200*2100*3800
3R2115 3 210*150 630*150 15 0.2-0.044 0.4-1.6 15 3.6 4500*2800*5800
3R2615 3 260*150 780*150 20 0.2-0.044 0.8-2.5 18.5 4.2 5650*3305*3950
3R2715 3 270*150 830*150 20 0.2-0.044 0.9-2.8 22 4.8 5600*3400*5900
3R3015 3 300*150 875*150 20 0.2-0.044 1.2-3.5 30 5.3 5700*3500*5900
4R3016 4 300*160 890*160 20 0.2-0.044 1.2-4 30 8.5 6500*4100*5200
4R3216 4 320*160 970*160 25 0.2-0.044 1.8-4.5 37 15 9900*5800*10580
4R4121 5 410*210 1280*210 30 0.2-0.044 3-9.5 75 24 7900*8000*9700

Recommend Products: Inquiry > >

Solutions and Cases

  • Sand production line
    Sand production line

    Stones are conveyed via the vibrating feeder to the jaw crusher for rough crushing process and then they are crushed further through the sand making equipment..

  • Powder production line
    Powder production line

    The powder production line is mainly used to process the non-flammable and non-explosive materials with the mohs grade lower than eight such as feldspar,

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