China Grinding Machine Raymond Mill Working Principle

Raymond Mill Working Principle Description

Raymond Mill Working Principle is used for grinding the barite, limestone, kaolin, cement, slag, etc, below scale 9.3 of Mohs hardness and 280-odd sorts of non-inflammable and nonexclusive stuff in the trades of mining, metallurgical industrial, chemical engineering and building material for high fine powder generation and processing. The product size is adjustable in the range of 80-325 (600 the largest) meshes. It is possible to produce 30-80 mesh coarse powder through special device in the Raymond Mill Working Principle

After the materials are put into the grinding room of Raymond Mill Working Principle, the grinding roll swings outward and presses closely upon the grinding ring due to the centrifugal force in rotation of the main shaft. The shovel carries materials to the space between the grinding roll and grinding ring, and materials are ground as the grinding roll rolls. After being ground, the powder is selected by Separator via the cycle wind of the blower and the rough powder will be back to the grinding room for regrinding. The proper powder is brought into the powder collector together with airflow. The powder comes out as end products while the airflow goes back to the powder collector in cycling to make the Raymond Mill Working Principle work normally. The increased airflow comes out after purification.

1) The materials must be non-flammable and non-explosive materials such as:

a) Minerals:limestone, calcite, barite, dolomite, potassium feldspar, marble, talcum, gypsum, kaoline, medical stone, rock phosphate,etc.

b) Metallurgy materials: manganese ore, iron ore.etc.

c) Chemical materials: active carbon, carbon black,etc.

d) Building materials:glass, ceram, fireproof materials, heat preservation materials,etc.

2) Conditions for the application and output granularity:

a) The materials should have the hardness less than 7 in Moh’s scale and humidity less than 6 percent.

b) The granularity of the end products can be adjusted from 30 to 325 meshes.

Raymond Mill Working Principle Main Parts

Technical Parameters of Raymond Mill Working Principle

Model	6R4525	5R4119	4R3216	4R3016	3R3015 4R3015	3R2615	3R2115	3R1510
Particle size of feed(mm)	≤30	≤25	≤25	≤25	≤20	≤20	≤15	≤15
Particle 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 at different material fine degree	16-120	8-60	4-45	3-35	2-28	1.5-20	1-18	0.5-8
Rotate speed of central axis (r/min)	82	105	130	160	160	160	180	280
Inner diameter of Pulverizing ring (mm)	1620	1270	970	880	830(800)	780	650	410
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   (KW)	y315m-4-32	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  (KW)	y315m-4-132	y250m-4-75	y200L-4-37	y180m-4-18.5	y160L-4-18.5	y160L-4-15	y160m-4-11	y132s-4-5.5
Motor  (KW)	y160m-4-11	yc200-4-7.5	yc120-4-5.5	y112m-6-2.2	y112m6-2.2	y112m-6-2.2	y112m-6-2.2	y90L-6-1

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