PFRM 2800S
PRM roller mill are new equipment designed by digesting and assimilating advanced technology introducted from other countries, It through grinding rollers to roll & press the materials(0-40mm)on the rotating grinding pan with pressure and grind them to be reached up to the relevant fineness. It has good advantages of high grinding efficiency, big drying capacity, product fineness is easy to be adjusted, low noise, low powder consumption, simple process flow, low abrasiveness, operating cost saving and ect.
Under the same process conditions and rotating speed, grinding pan diameter, material level, grinding roller pressure are the same, grinding efficiency of Model PRM roller mill can be raised more than 30%, average power consumption can be saved about 8.2%, and impact vibration of the overall unit could be obviously reduced.
Please check following picture and specification.
One),main technical parameter
Specification: 2800S
Diameter of mill table: φ2800
Diameter of mill roller: φ1900mm
Number of mill roller: 3pcs
Mill table speed: 28r/min
Max feeding size: 50mm
Mill feeding moisture: ≤15%
Product fineness: ≥4500cm2/g
Capacity: 40~45t/h
Protect moisture: ≤1.0%
Mill air feeding temperature: <350ºC
Mill air discharging temperature: 80~90ºC
Mill discharging air flow: 180000m3/h
Mill pressure drop: 2000~3500Pa
Working pressure of hydraulic system:≤12MPa
Mill dimension: Length:12300mm
Width:9380mm
Height:13000mm
Total weight of mill: 330000kg
(two),Main motor
Type: YRKK710-6
Power: 1800KW
Speed: 990r/min
Voltage: 10KV
Protection grade: TP54
(three),Main reducer
Manufacturer:Nanjing High Accurate Drive Equipment Manufacturing Group Co., Ltd
Type:MLX200
Qty:1pc
Drive power:2000KW
Motor power:1800KW
T start=2.8Tmill T peak=3T mill
Speed ratio:34.81
n motor=992±5r/min
n mill =28.5±0.1r/min
Rated axial thrust :5100kN
Max axial thrust:16600kN
Serve factor: ≥2.5AGMA
Direction of rotation:view from top, the thrust table is clockwise rotation
Lubrication oil feeding, discharging side direction:stand on the side of input shaft towards reducer, there is 1 oil inlet on right side, and two oil outlet(one on either side)
Transmission efficiency :≥98%
(four),high-low lubrication oil station and auxiliary oil tank
Model:XGD160/500
Manufacturer:Chuanrun Group west-south lubrication equipment plant
Lubrication oil volume:500L/min(Low pressure section);160L/min(High pressure section)
Lubrication oil pressure:High pressure:32MPa; Low pressure:0.6MPa
Lubrication oil quality:N320 middle duty industrial gear oil
Environment temperature:-10ºC ~ +40ºC
Cooling water consumption:40m3/h
Cooling water temperature:<28ºC
Operating shift:100% workload,continuous working 24 hours
Total weight of main reducer:52tons(not include lubrication oil station)
Main reducer dimension:φ2950(max)×2052
(five),separator
Rotor speed: 30~190r/min
Motor type: YVP315M-4
Motor power: 132KW
Motor speed: 0~740r/min
Reducer type: RV203-7.1IAR
Reducer power: 170KW
Rotation direction: view from top, the direction of output shaft is clockwise
Reducer speed ratio: 7.1
Lubrication oil: 200# industrial gear oil
(six),Hydraulic system
Type: YA28-602
Motor power of hydraulic pump:18.5KW
Working pressure: ≤12MPa
Max pressure: 20MPa
Flow rate: 63L/min
Hydraulic oil: N46 antiwear hydraulic oil
Fuel tank capacity: 600L
Picture
Specification
Achievements
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