Vertical Roller Mill Used in The Pre-Grinding Plant

• Control: PLC
• Automation: Automatic
• Precision: Precision
• Application: Cement Making Machine
• Type for Grinding Machine: Disc Grinding Machine
• Grinding Method: Dry Grind
• Model NO.: 1000-10000
• Certification: ISO, CE
• Specification: ISO9001
• Trademark: Pengfei
• Origin: China

Product Description

Technical performance and parameter vertical mill
(One),main technical parameter 
Specification:               Vertical roller mill 
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:   <350 °C
               Mill air discharging temperature:  80~90°C
               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:10°C ~ +40°C
Cooling water consumption:40m3/h
Cooling water temperature:<28°C
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