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Raymond Mill

Raymond Mill

Processing ability: 2-120 t/h
Feeding size: ≤15-≤30mm
Applied material: barite, calcite, feldspar, talc, marble, limestone, dolomite, fluorite.
Features: Low consumption,Low investment,Little floor space,Environment friendliness

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Raymond mill video:

HXJQ® Raymond mill (Raymond roller 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. The fineness of the finished products can be adjusted from 100 meshes to 325 meshes according to requirements. HXJQ® Raymond mill is the mainly and widely used grinding machine.

Raymond mill customer site2

Advantages of Raymond Mill

1. The whole grinding plant of HXJQ is a vertical structure of systematic characteristic, so it occupies small area. It is an independent production system from raw materials crushing to grinding and packing.
2. Compared with other milling plants,the passing ratio of HXJQ Raymond mill achieves 99%, which is beyond other mills' reach.
3. Driving system of main frame adopts airtight gearing and pulley, drives smoothly and operates reliably.
4. The main parts of the HXJQ whole plant are made of cast and steel of high quality. The techniques are so subtly that they ensure the durability of the whole plant.
5.The electric control system is centralizedly controlled, so the automaticity is high with no people needed in the operating room.

Raymond mill customer site1

Raymond mill customer site 1

Raymond Mill Working Principle

The big size material is processed by the jaw crusher and reduced into shivers less than 20 mm (for 66 pulverizer, the input size is less than 15 mm). The materials are carried into hopper by bucket elevator, and then go into the main frame by electric-vibrating feeder at fixed quantity for grinding. The crushed powder is blown into the analytic engine on the upper of main frame by the air current of air blower for divisional screening. The unqualified powders will fall into main frame for regrinding, and the qualified will enter the large cyclone collector by the air current, after separating and collecting, powders will be discharged through pipes, that is finished products. After separation air current is absorbed into fan by the upper pipe of the cyclone collector. The whole air current system is airtight, and it is operated under the negative pressure.

Raymond mill working principle

Raymond mill working principle video

Due to the grinded material contains water, the generated heat during grinding will lead the water to evaporate, and then emit the air to increase the flow of the recycle gas. Therefore, the vent valve between main machine and fan should be adjusted and put spare air into the bag dust collector, collect the micro-powder taken by spare air and emit the purified remaining air to keep the airflow balance.

Installation site of Raymond mill

Installation Site of Raymond Mill

Raymond Mill Maintenance and Repair

1. To operate the equipment, you have to be technically trained to know the principle and rules of operation. Someone should be specially selected and put in charge of the operation.

2. To ensure normal operation of the equipment, a manual containing strict rules and procedures for its operation, maintenance and repair should be well prepared and followed. Tools, replacement parts for maintaining, repairing and lubricating oil and grease must be available for immediate use.

  Raymond mill maintenance and repair

                Raymond mill maintenance and repair

3. After a period of usage, the equipment should be checked, worn-and-torn parts such as rollers, rings and shovels be replaced. Be sure to fasten connecting-bolts and nut collars to fix rollers properly. Be sure to lubricate the parts sufficiently.

4. Roller should be replaced after 500-hour uses. Check and wash bearings in it and replace broken ones, and then fill enough oil and grease (with oil-pump or grease-gun).

Supporting Equipment:

raymond mill bower

Technical Data
Model 4525 4119
Feeding Size(mm) ≤30 ≤25
Output Size(mm) 0.125-0.044 0.125-0.044
Shift Output of Different Material Fineness(t) 16-176 8-78
Rotation Speed of Central Shaft(r/min) 82 105
Ring Diameter(mm) 1770 1400
Roller Diameter(mm) 450 410
Roller Height(mm) 250 190
Main Motor y315m-4-132 y280s-4-75
Fan Motor y315m-4-132 y250m-4-75
Analyzer Motor y160m-4-18.5 yct200-4B-7.5
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