FTM Raymond mill, as a kind of grinding mill which is widely used in the field of ore grinding can help users to grind the limestone, marble, calcite, feldspar, and other solid materials into the requested particle size within the range 80-325 mesh. At present, the Raymond mill in the market often adopts the technology of pressing rollers on the grinding ring by centrifugal force. So a certain degree of wear and tear will not affect the quality requirements of final product, meanwhile, it reduces the cost of replacement and repair parts. Therefore, This kind of Raymond mill was widely used by worldwide customers.
This machine consists of main frame, air blower, bucket elevator, electro-vibrating feeder, store bucket, jaw crusher, pipe system, cyclone collector, electric control cabinet, etc.
Smooth operation, small occupation area; Raymond mill host transmission device adopts sealed gearbox and a belt wheel to get a smooth transmission; the vertical structure can save the space and operate conveniently.
Large capacity, high rate; To save the production cost by screening a molding material grinding; compared with other milling equipment, it enjoys higher screening rate, the 2-screening rate is as high as 99%.
Simple operation, wide application range; The electrical system of Raymond Mill adopts centralized control. the size of finished product can be adjusted between 80 - 325 mesh range.
Structure optimization, low maintenance cost; The important parts are made of high-quality casting and molding manufacturer, meanwhile, it also with features of high durability, convenient replacement of wearing parts.
After being crushed into shivers less than 20mm, the materials are carried into store bucket by bucket-lifter then pull into the main frame by electro-vibrating feeder at fixed quantity for grinding. The five grinding roller devices that are hung on star rack in the main frame rotate around the center axis and the grinding roller makes the rotation around grinding roller and around the axis at the same time. with the effect of the centrifugal force, grinding roller sways outward and impacts grinding ring to place the grinding materials on shovel between them and achieve the crushing and grinding effects by the rolling and crushing of grinding roller, 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 thicker than fine standard will fall into the main frame for regrinding and the qualified far fine standard will enter the large cyclone collector by the wind currents and then was discharged through the discharge pipe and becomes the finished product. The purified air current blows into air blower through the pipe on the upper of large cyclone collector. The wind is circular and the air current in the blows under pipeline negative pressure except that the air current from air blow to pulverizing room is under positive pressure. so the health conditions are good in the workshop.
As the water in materials is heated by grinding to vapor into gas, the air that is discharged into air pipe at the flange junctions and feed inlet results in the growth of air volume in a circular air current. This increased air volume through the remaining air pipe between air blower and main frame makes the powder by air current with small box cyclone collector to be discharged by the dust collector without collection. At the same time, the air collects powder. The dust collecting system is environment-friendly and has no pollution.
|Shift Output of Different Material Fineness(t)||16-176||8-78|
|Rotation Speed of Central Shaft(r/min)||82||105|
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