LM Vertical Grinding Mills

LM Vertical Grinding Mills

LM Vertical Grinding Mills is the device using mass roller system realization of material grinding processing, is large and automation operation advantages compared with ordinary milling machine, LM Vertical Grinding Mills usually yield can reach 100-500 tons per hour or more. Grinding Mills roller is controlled by specialized hydraulic system, flexible and convenient operation, easy maintenance.

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The current domestic market, LM Vertical Grinding Mills in various grinding production process to the comprehensive performance of the high energy saving has been be way ahead in the grinding powder machine, Raymond Mill equipment. LM Vertical Grinding Mills is the cement future development direction.

lm vertical grinding mill structure

LM Vertical Grinding Mills advantages

  • fineness can reach 80mesh, vertical grinding mill using the the most advanced static and dynamic combined separator, the separator of high classification efficiency, large control room, select powder fineness can reach 0.08mm sieve residue below 3%, can satisfy the majority of customer requirements for fineness.
  • the grinding roller adopt thin oil lubrication, prolong the bearing service life of more than 2.5 times the general grinding mill. LM Vertical Grinding Mills using oil lubrication, cooling roller, greatly increasing the service life of the bearing.
  • simple configuration, low cost high performance price ratio, investment. The system configuration is simple, and can open layout, no plant, thus saving the construction cost.
  • the noise is only 80-85dB, Grinding Mill noise is only 80 ~ 85 dB (A level), 20 ~ 25 dB lower than the tube mill (A level), the system works under negative pressure, no dust, clean operation environment.
  • low dust concentration of LM Vertical Grinding Mills using internal negative pressure system, effectively reduce dust spillover.
Model LM130K LM150K LM170K LM190K LM220K LM130M LM150M LM170M LM190M LM220M LM130N LM150N LM170N LM190N LM220N
Wheel diameter(mm) 1300 1500 1700 1900 2200 1300 1500 1700 1900 2200 1300 1500 1700 1900 2200
Output (th) 10-30 13-40 18-57 23-72 36-110 10-15 16-22 20-28 26-35 35-50 5-14 7-20 8-27 9-30 18-55
Finish fineness µm 170-45 170-45 170-45 170-45 170-45 170-45 170-45 170-45 170-45 170-45
Mesh 80-325 80-325 80-325 80-325 80-325 80-325 80-325 80-325 80-325 80-325
Coal powder fineness (R0.08) 5-20% 5-20% 5-20% 5-20% 5-20%
Coal powder moisture (%) <1% <1% <1% <1% <1%
End product moisture (%) ≤1% ≤1% ≤1% ≤1% ≤1% ≤1% ≤1% ≤1% ≤1% ≤1%
Grinding material particle size D80 (mm) <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10
Grinding material max feed size(mm) <38 <40 <42 <45 <50 <38 <40 <42 <45 <50 <38 <40 <42 <45 <50
Moisture of grinding material not to dry (%) <4% <4% <4% <4% <4% <4% <4% <4% <4% <4%
Matieral moisture of into mill (%) <15% <15% <15% <15% <15%
Moisture of grinding material need to dry (%) 4%-15% 4%-15% 4%-15% 4%-15% 4%-15% 4%-15% 4%-15% 4%-15% 4%-15% 4%-15%
Into mill air temperature (℃) <350 <350 <350 <350 <350 <350 <350 <350 <350 <350 <350 <350 <350 <350 <350
Out of the mill air temperature (℃) 70-95 70-95 70-95 70-95 70-95 75-95 75-95 75-95 75-95 75-95 70-95 70-95 70-95 70-95 70-95
Raw coal hardgrove grindability index (HGI) >55 >55 >55 >55 >55
Main motor power (kw) 200 280 400 500 800 185 250 315 400 500 200 280 400 500 800
Contour dimension Length (mm) 5520 6550 7170 7580 8080 5520 6550 7170 7580 8080 5520 6550 7170 7580 8080
Width (mm) 2500 3070 3460 3320 4660 2500 3070 3460 3320 6700 2500 3070 3460 3320 4660
Height (mm) 7060 7560 8300 8960 9020 7060 7560 8300 8960 9020 7060 7560 8300 8960 9020

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