LM Vertical Grinding Mill

LM Vertical Grinding Mill

On the basis of absorbing the advanced technology of internationally renowned enterprises and 30 years of mill production experience, SBM launched the LM vertical grinding mill that integrates five functions of crushing, grinding, powder selection, drying and material transportation. It has the characteristics of centralized process flow, small footprint, low investment, high efficiency, energy saving and environmental protection.

Product Features: Integration of multiple functions, more stable and reliable production and more excellent capacity

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vertical grinding mill Performance

LM Vertical Grinding Mill Parameters

Vertical Mineral Mill Series

Models and parameters Vertical Mineral Mill Series
LM130K LM150K LM170K LM190K LM220K LM280K
Plate diameter (mm) 1300 1500 1700 1900 2200 2800
Capacity (t/h) 10-28 13-38 18-48 23-68 36-105 50-170
Output fineness μm 170-40 170-40 170-40 170-40 170-45 170-45
Mesh 80-400 80-400 80-400 80-400 80-325 80-325
Max feed size(mm) <38 <40 <42 <45 <50 <50
Main motor (kW) 200 280 400 500 800 1250

 

Vertical Coal Mill Series

Models and parameters LM80M LM110M LM130M LM150M LM170M LM190M LM220M LM240M LM280M
Plate diameter (mm) 800 1100 1300 1500 1700 1900 2200 2400 2800
Grinding roller (piece) 2 2 2 2 2 2 2 3 3
Capacity (t/h) 3~5 5~9 10~17 16~22 20~30 26~40 35~50 50~65 60~90
Coal powder fineness (R0.08mm) 5~20% 5~20% 5~20% 5~20% 5~20% 5~20% 5~20% 5~20% 5~20%
Max feed size(mm) <30 <30 <38 <40 <42 <45 <50 <50 <50
Main motor (kW) 55 110 185 250 315 400 500 710 900

 

Vertical Slag Mill Series

Models and parameters LM130N LM150N LM170N LM190N LM220N LM280N LM370N
OD of Turnplate(mm) 1700 1900 2100 2400 2800 3500 4500
Moisture of Scoria <15%
Output fineness Specific Surface Area≥420m²/kg
Moisture of Powder ≤1%
Capacity (t/h) 4~6 6~8 8~10 10~12 20~26 50~60 90~110
Main motor (kW) 200–250 280–315 400–450 500–560 900–1000 1800–2000 3150–3300

NOTE: The Bond Index of scoria is ≤23kWh/t, and the iron content is ≤1%.

 

Vertical Fine-powder Mill Series

Models and parameters LM130X-GX LM150X-GX LM170X-GX LM190X-GX LM220X-GX
Plate diameter (mm) 1300 1500 1700 1900 2200
Grinding roller (piece) 3 3 3 3 3
Max feed size(mm) 10 20 20 20 20
Output fineness (D97) 325~600 mesh 325~600 mesh 325~600 mesh 325~600 mesh 325~600 mesh
Capacity (t/h) 4~12 6~14 8~20 13~26 15~30
Powder classifier (kW) 45 55 75 90 110
Main motor (kW) 220 280 400 500 560

 

Vertical Pre-grinding Mill Series

Models and parameters LM150Y LM170Y LM190Y LM250Y LM340Y
Plate diameter (mm) 1500 1700 1900 2500 3400
Grinding roller (piece) 2 2 2 3 3
Max feed size(mm) 20 20 20 20 20
Feed Capacity (t) 15~25 25~40 35~50 80~120 200~250
Output fineness 1 (R0.08mm) ≤15% ≤15% ≤15% ≤15% ≤15%
Output capacity 1 (t/h) 6~10 10~16 14~20 32~48 80~100
Output fineness 2 (R0.2mm) ≤5% ≤5% ≤5% ≤5% ≤5%
Output capacity 2 (t/h) 9~15 15~24 21~30 48~72 120~150
Mill cycle throughput (t/h) 60~100 100~160 140-200 320-480 800-1000
Main motor (kW) 280 450 560 1400 2500

 

Note:
Product pictures, parameters, models, data, performance, specifications, etc. on this website are for reference only. SBM may make changes to the above information. For specific information, please refer to the actual product and the user manual. In the absence of special instructions, SBM reserves the right to interpret all data involved in this website.

Working Principle of vertical grinding mill

The grinding plate rotates under the action of main motor of LM Vertical Grinding Mill and the reducer. Meanwhile, hot wind enters the vertical mill. After raw materials fall onto the center of grinding plate, they move to the edge of grinding plate under the action of centrifugal force. While passing through the grinding area between roller and grinding plate, bulky materials are broken directly by the pressure of roller while fine materials form a layer where materials crush each other. Broken materials after grinding continue moving to the edge of grinding plate until they are brought away by the airflow at the air ring. For coarse materials which cannot be brought away would fall onto the grinding plate for another grinding. When passing the upper separator, materials in the air flow will be divided into two parts by the blades of rotor, that is, coarse particles and fine powders. Coarse particles would be sent back to have another grinding while the qualified fine powders enter the powder collector with airflow as finished products. For sundries like iron block in materials, when they move to the fringe of grinding plate, because of their heavier weight, they would drop to the lower cavity of grinding mill and next be sent into the discharging port by scarper installed at the bottom of grinding plate and finally be discharged out of the grinding mill.

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