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.
LM vertical grinding mill integrates crushing, drying, grinding, separation and conveying. Simple structure and compact layout. It occupies about 50% of the ball mill system. The LM mill can also be arranged outdoors, which greatly reduces the investment cost.
SBM LM vertical grinding mill achieves lower energy consumption, stronger drying capacity, low wear and easy inspection of core components in terms of grinding efficiency, powder drying, wear of wearing parts, maintenance and replacement of spare parts, etc. , saving a lot of running cost.
The material stays in the grinding mill for a short time, which can reduce repeated grinding, and it is easy to detect and control the particle size and chemical composition of the product. In addition, the grinding roller is not in direct contact with the grinding stone. The iron content in the product is very low, and the iron produced by mechanical wear can be easily removed, thus effectively ensuring the whiteness and purity of the material.
The operation of LM grinding mill is stable and has small vibration, so that the noise is small. The system is sealed in an integral manner and works under negative pressure, so that there is no dust spilling and the environment can keep clean with the emission standard far better than the international standard. LM grinding mill is also equipped with expert-level automatic control system, which can realize free switch between remote control and local control. The operations are simple and labor-saving.
There are tens of lines of numerical controlling machine tools. Operations such as steel plates’ cutting, bending, planing, milling and paint spraying are all controlled numerically. The machining precision is high, especially for the core parts.
SBM, whose businesses cover production and sales, takes responsibility for every machine produced by ourselves. We can offer customers technical services about products and original spare parts to ensure the worry-free operation.
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.
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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