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PRM Type Vertical Roller Pressure Mill
PRM Type Vertical Roller Pressure Mill
(New Type Vertical Pre-Grinding Mill)
      PRM type Roller Mill cutting, extruding, crushes and grinds the material on abrasive disc., via that 3 symmetric rotational rollers rotate complying with abrasive disc under high pressure. Its special shape design of rollers and material layout grinding technology greatly reduces the power consumption per unit, and it is widely used in Building Industry, Metallurgy Industry, and Chemical Industry, etc. for grinding process. PRM type Roller Mill could be used together with ball mill composing circle pre-grinding, circle classification pre-grinding and final grinding system. Power consumption of integrated grinding decreased as 30%-40%, and the output increased as 50%-100%. That is to say it implements the achievement of energy saving, emission reduction, high efficiency grinding, high output and low consumption, possessing higher economical & social benefits.
PRM type Vertical Roller Mill is mainly composed of Motor, Reducer, Abrasive Disc, Roller, Hydraulic Pressure Device, Lubricating device and so on.  Material enter into centre of abrasive disc through the loading tank and it is thrown into grinding zone with the centrifugal force due to rotating of abrasive disc, then it is extruded and grinded by rollers under pressure. Material after grinding will fall into lower part of mill’s shell via outer circle of abrasive disc, and then it is scraped into discharging tank.
Characteristics of System Processing:
1. Rollers not only utilize forced lubricated oil feeding method to prevent powder filtering into bearings, but also take use double sealing structure of forced ventilating air seal and reinforced seal.
2. Scaleboard of abrasive disc and roller’s surface utilize High chromium cast iron, which has long useful life (>30000Hr) and is easy to change.
3. Reducer takes use Hydrostatic Pressure Lubrication System, implements sensor monitoring of pressure and temperature of oil of thrust shoe, which could ensuring a stable operation.
4. Hydraulic oil station utilizes batching, servo working way, sets up advanced servo monitoring components, tests the operating status of the equipments continuously, improves working condition of the system and extends the useful life of the components.
5. The output increasing and consumption decreasing are obvious. Utilizing the grinding process of this equipment implements the extending application of the new extruding and cutting force grinding technology, so the grinding effect is much better than that of current rolling machine. Meanwhile this process could increase the cement raw mill producing capacity as 100% and cement clinker producing capacity as 50%, and it could decrease power consumption as 30%-40%. Others, it could be used together with mill composing the grinding system, which has a wider fineness adjusting range and better increasing of cement anti-resistance strength.


     Jiangsu Pengfei Group Co., Ltd has the great comprehensive ability to provide the best quality services on turn-key basis with the complete equipment、 the installation and the debugging for the new type dry process rotary kiln cement factories under the daily capacity of 8000ton、5000ton and 2500ton and compound fertilizer plants under the annual capacities of the 300000ton. The “Pengfei” brand rotary kiln cement complete equipment have been sold exported to Russia、The Kingdom of Denmark、Germany、kazakhstan、Mongolia、Ukraine、Uruguay、uzbekistan、 Bangladesh、Pakistan、Laos、Peru、India and so on . MD export project are X18, X519, Son La, Lang Son, Da Ye, Chai Shai Cement factories in Vietnam, Tiger-Head, King Elephant Cement Plants in the union of  MD and so on . All of these cement complete equipment production line have been widely praised by the international friends.
       The key words are : Jingsu Pengfei Groupcement machinerycement equipmentcement machinery equipment、cement complete equipmentcement machinery complete equipment、mining equipment、Tube mill、Ball mill、Cement mill、Coal mill、Slag mill、Raw mill、Mining mill、vertical mill、roller press 、grinding equipment. The leading products are the cement machinery equipment such as  the “Pengfei” brand rotary kilnball millTube millCement mill、Coal mill、Slag mill、Raw mill、Mining mill、cooler、vertical millroller press、grinding equipment、conditioning tower、dust collector、shaft mill、rolling machine、drier、crusher and conveyor and so on.
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