60Ton Per Day Vertical Roller Mill
OUR COMPANY IS MAINLY PRODUCE CEMENT MAKING MACHINERY,LIKE BALL MILL,ROTARY KILN,ROLLER PRESS,BAG HOUSE,ESP AND ETC
1.General Condition,,,
Model HRM&Model PRM roller mills are new equipment designed by digesting and assimilating advanced technology introduced from other countries.it through grinding rollers to roll and press the materials(0-40mm)on the rotating grinding pan with pressure and grind them to be reached up to the relevant finess.it has good advantages of high griding efficiency.big drying capacity.product finess is easy to be adjusted.low noise,low power consumption,simple process flow.low abrasiveness,operating cost saving and etc.
under the same process conditions and rotating speed.grinding pan diameter material level.grinding roller pressure are all the same,grinding efficency 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 unital could be obviously reduced.
With international advanced technology and national leading manufacturing quality.it has passed the ministry-level test and listed as state level new preouct in 1995
2.The technical parameter
1.The inlet size is less than 80mm
2.The permited inlet moisture is 6%.
3.The mill speed is 29.75r/min
The specification of roller mill
| No. | Instruction of parameter | Unit | Technical parameter | Remarks |
| | Vertical Mill | set | 1 | |
| | Type | | VRM5341C | |
| | Ground material | | Clinker | |
| | Inlet material size | mm | ≤50 | |
| | Material moisture | % | ≤7 | |
| | Product finess | | ≤60 microns | Clinker+gypsum and other mixed material |
| | Product moisture | % | ≤0.5 | |
| | Capacity | t/h | 160 (4200cm2/g) | |
| 200 (3200cm2/g) | |
| | Inlet air temperature | °C | ＜300 | |
| | Gas temperature outlet of mill | ℃ | 90～105 | |
| | Inlet air pressure | pa | ～-500 | |
| | Outlet air volume | m3/h | 480000 | |
| | Outlet air pressure | Pa | -4000~-5500 | |
| | Material feeding system | | Feeding from one side and material falling from center | |
| 1 | Separator | | | |
| | 1.1 Rotor of separator | | | |
| | Speed adjusting range | r/min | 60～160 | |
| | Vane material | | UP wear resistant plate | |
| | Blade quantity | | 196 | |
| | Useful life | h | ＞15000 | |
| | Rotor diameter | m | Ø4.6 | |
| | Total height of rotor | mm | 2600 | |
| | Steel plate thickness of housing | mm | 25 | |
| | 1.2 Rotor bearing of separator | pcs | 2 | |
| | Lower bearing type | | 23134CC/W33 | |
| | Upper bearing type | | 29434E | |
| | Manufacture | | SKF | |
| | 1.3 Drive unit of separator | | | |
| | Speed adjusting way | | Frequency conversion | |
| | Motor type | | YVP355M-4 | VVVF |
| | Power | kW | 250 | |
| | Voltage | V | 380 | |
| | Speed | r/min | 1450 | |
| | Manufacture | | Siemens of China | |
| | Insulation grade | | IP54 | |
| | Gear box type | | B2SV09-9-B | |
| | Gear ratio | | 8.8 | |
| | Permitted input power | kW | 450 | |
| | Manufacture | | FLENDER of China | |
| 2 | Roller unit | | | |
| | 2.1 Roller | | | |
| | Quantity | pcs | 4 | |
| | Diameter | mm | 2400 | |
| | Width of roller | mm | 850 | |
| | Shape | | Tyre shape | |
| | Roller assembly weight | t | 28.7 | |
| | Inspect system | | Oil cylinder for auxiliary repair | |
| | 2.2 Roller tyre | | | |
| | Material | | ZG20SiMn+ surface hardfacing | |
| | Hardness | | HRC>58~62 | |
| | Useful life | h | ＞2,000 | |
| | 2.3 Roller shaft | | 40CrNi | Tempering and quenching |
| | 2.4 Roller bearing | | | |
| | Bearing type | | BC-6104 480×855×270 | |
| | | | BT2-6104 480×890×390 | |
| | Useful life | h | ＞35,000 | |
| | Allowable max. temperature rise of bearing | ℃ | 80 | |
| | 2.5 Sealing air fan | | | |
| | Type | | 9-28ⅠNo4.5A-8 | |
| | Quantity | pcs | 1 | |
| | 2.6 Roller bearing lubrication | | | |
| | Lubrication type | | Circulating oil | |
| | Type of lubrication oil station | | XRZ-2×16-2×10 | |
| | Qty | | 2pcs | |
| | Oil pressure | MPa | 0.4 | |
| | Flow rate | l/min | 20 | |
| 3 | Grinding table | | | |
| | 3.1 Table body | | | |
| | Material | | ZG270-500 | |
| | Nominal diameter | mm | 5300 | |
| | Speed | r/min | 22.6 | |
| | Height of dam ring | mm | ～200 | |
| | 3.2 Liner of grinding table | | | |
| | Material | | ZG20SiMn+ surface hardfacing | UP |
| | Hardness | | HRC>58~62 | |
| | Useful life | h | ＞2,000 | |
| 4 | Upper housing | | | |
| | 4.1 Housing | | Q235-A | |
| | 4.2 Liner inside the housing | | Q235-A | CHP 6mm |
| | Useful life | h | ＞20,000 | |
| | 4.3 Inspection door | | | |
| | Quantity | pcs | 2 | |
| 5 | Rocker | | | |
| | 5.1upper rocker+ lower rocker | | | |
| | Quantity | group | 4 | |
| | Material of rocker | | ZG35+Q235 | |
| | Material of rocker shaft | | 40Cr | Tempering and quenching |
| | 5.2 Rocker bearing | | | |
| | Quantity | pcs | 8 | |
| 6 | Frame part | | | |
| | Frame | pcs | 4 | |
| | Connecting bridge | pcs | 4 | |
| | Base of support | pcs | 1 | |
| | Base of gear box | pcs | 1 | |
| 7 | Main drive | | | |
| | 7.1 Main motor | | | |
| | Type | | YRKK900-6 | |
| | Rated power | kW | 4200 | |
| | Output speed | r/min | 990 | |
| | Manufacture | | TECO | |
| | Insulation grade | | IP54 | |
| | href="javascript:void(0);" Rated voltage | kV | 10 | |
| | Rated frequency | Hz | 50 | |
| | Power factor (cosj) | | 0.866 | |
| | Cooling mode | | IC611 | |
| | Type of lubrication oil station | | XRZ-25 | |
| | Oil pressure | MPa | 0.4 | |
| | Flow rate | L/Min | 25 | |
| | High speed coupling | | | |
| | Type | | No | |
| | Connecting method | | Diaphragm flexible connecting | |
| | Qty | | 1 | |
| | 7.2 Main gear box | | | |
| | Type | | MLX450 | |
| | Rated power | kW | 4500 | |
| | Gear ratio | | 43.7 | |
| | Measuring temperature point for Input shaft | pcs | 2 | |
| | Vibrator(yes/No) | | yes | |
| | Output speed | rpm | 22.6 | |
| | Transmission power | kW | 4500 | |
| | Thrust bearing | | Plane shaft bush | |
| | Lubrication oil station | | | |
| | Type | | XGD-C250/1250 | |
| | High pressure pump | | | |
| | Qty | | 4 | |
| | Oil pressure | bar | 315 | |
| | Flow rate | L/Min | 250 | |
| | Motor | kW | 4×22 | |
| | Low pressure pump | | | |
| | Oil pressure | bar | 4~6 | |
| | Flow rate | L/min | 1250 | |
| | Motor | kW | 2×22 | |
| | Volume of oil tank | m3 | 10 | |
| | Heater | number | 6 | |
| | Rated power | kW | 8×6 | |
| | Temperature detector | | | |
| | Type | | PT 100 | |
| | Temperature monitor | | PLC Liquid touch screen | |
| | Type | | TP277-6 | |
| | Manufacture | | Nanjing high speed gear manufacturing Co., ltd. | |
| 8 | Hydraulic system | | | |
| | Type | | HY53-1000AI-W | |
| | Pressure (Normal/Max) | MPa | 8~12/16 | |
| | Flow rate ((Normal/Max) | l/min | 63/63 | |
| | Power (Normal/Max) | kW | /18.5 | |
| | Rated power | kW | 18.5 | |
| | Volume of oil tank | L | 1000 | |
| | Main hydraulic element | | Italy ATOS | |
| | Control method | | Long distance | |
| 9 | Hydraulic system of roller | | | |
| | 8.1 Hydraulic cylinder of roller | pcs | 4 | |
| | 8.2 Hydraulic station of roller | pcs | 1 | |
| | 8.3 Roller swing cylinder | pcs | 1 | |
| | Type | | Movable | |
| 10 | Water injection of mill | | | |
| | Nozzle | pcs | 4 | |
| 11 | Rotary air lock feeder | | | |
| | Type | | ф1400x1500 | |
| | Quantity | pcs | 1 | |
| | Speed | rpm | 6 | |
| | Motor power | kW | 11 | |
| 12 | Electrical control system | | | |
| | Low pressure control cabinet | Pcs | 2 | |
| | Control content | | High pressure oil pumps 4 sets for lubrication, Low pressure oil pumps 2 sets, roller oil pump 8 sets; hydraulic oil pumps 2 sets; oil pumps for motor lubrication oil station. 6 groups electrical heater;air lock valve 2 sets; 1 pcs frequency control cabinet of seperator | |
| | Housing type | | GGD | |
| | Main electrical brand | | Schneider | |
| | PLC Control cabinet | Pcs | 1 | |
| | Type | | Simens S7-300 | |
Brief Introduction of Jiangsu Pengfei Group Co., Ltd.
Location advantage: Jiangsu Pengfei Group Co., Ltd. is located in Nantong City which is in the north of Yangtze River delta economic metropolitan area. It connects Yellow Sea in the east and looks south to the Yangtze River. The company is the national famous building material machinery manufacturing and transporting base. The goods will be shipped to focus all over the world by the million tons of seagoing vessel will through the international Nantong Port and Shanghai Port. Ningqi Railway and Xinchang Railway connect here, and at the same time the coastal Highway and Haili Highway also link here. Because of its special harbor location advantages and manufacturing capacity, Pengfei Group has become the largest cement equipment manufacturing and exporting base in our national coastal areas.
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