LM Vertical Grinding Mills

LM Vertical Grinding Mills

The use of LM Vertical Grinding Mills machine is very common, in mining, cement, chemical industry, ceramic industry can get a certain amount of use. In different industries, will require different product size, so different industries to choose different types of machines, so, in terms of price, will also have some differences, which are according to the specific circumstances of the case.

SBM LM Vertical Grinding Mills can be good, quartz, feldspar, clay processing grinding, clay, bentonite, calcite, talc, barite, fluorite, clay, white clay, gypsum, hardness seven on the Mohs following humidity below 6% non flammable and explosive mineral materials.

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LM Vertical Grinding Mills using process

LM Vertical Grinding Mills in the use process, must have certain rules, so as to ensure its performance of the play, to ensure the work efficiency. For grinding mill, in the course of the operation, what provisions are sure to follow?

In the process of using LM Vertical Grinding Mills, there should be a fixed staff acted as caretaker, operating personnel should have certain technical level, before the installation, it is necessary to the operation of the relevant personnel technical training and safety knowledge, understand the operation rules of it. In order to make the normal operation of the flour mill, should repair maintenance safety operation standards of the equipment, ensure the safety operation of the mill long time, repair as necessary and lubricating device.

after a period of time of LM Vertical Grinding Mills, to a certain degree of repair, the roll grinding, grinding ring, blade wearing parts, repair and replacement. The grinding roller in the use of before and after, cohesion should be carefully check the bolts and nuts, Is it right? Loose representation and the grease is enough etc.. But, in the more than 500 hour roll grinding work, to start from the replacement of grinding roller, cleaning of the rolling bearing of roller sleeve is necessary, for the damaged parts to replace immediately.

In shutdown, should according to the following order closed the LM Vertical Grinding Mills machine.

First of all, the first closed feeder stop feeding; after about one minute to suspend the host; blown clean powder residue after the son, stop blower; final closure analysis machine. So, stop order is: feeder-host-blower-analysis machine.

In addition, but also pay attention to the point, LM Vertical Grinding Mills in normal operation, the absolute prohibition of free gas, to ensure safety. LM Vertical Grinding Mills machine at any time, once the abnormal noise or load suddenly increases, should immediately stop check, and troubleshooting, in case of major accidents.

Restart the LM Vertical Grinding Mills machine, it is very necessary to remove mill more than expected, or cause the current boot time is too large, affecting the normal start.

In the course of using ultra-fine grinding, but also for the maintenance process, timely add lubricating oil, to ensure the normal use of it.

Technical data

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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