COAL MILL FOR SALE
Grinding Machine : LM Series Vertical Coal Mill
LM series vertical coal mill is the newest coal grinding machine, which integrates the advanced international technology and years of mill-producing experience . It is an ideal equipment that integrates crushing, drying, grinding and grading conveyor all together.
LM series vertical coal mill can be widely used in cement making, power,metallurgy, chemical and nonmetalliferous ore industries. It is used to grind lumpy, granular and powdery materials to the required size.
COAL MILL FEATURES
1. Simple structure, easy maintenance
2. Reliable performance, low operation cost
3. High crushing ratio
4. High drying ability,reliable operation
5. Stable quality, convenient maintenance
6. Low invest, high return
VERTICAL COAL MILL WORKING PRINCIPLE
The motor drives the grinding table through decelerator. The materials fall down the center of grinding table from feed opening. At the same time, hot air comes into the mill from the air inlet. Due to the centrifugal force, materials move to the edge of the grinding table. The materials are pulverized by the roller when by pass of the groove on the grinding table. The crushed materials are brought up by vane high-speed airstream, the larger particles fall down to the grinding table for regrinding. When the materials in the airstream pass the separator on the top of the mill , the coarse powder fall down the grinding table for regrinding under the function of rotation rotor. The fine powder comes out with the airstream,and is gathered by the dust catcher. The materials content with moisture will be dried when they meet the hot airstream. Through adjusting the temperature of the hot airstream, it can meet different material’s requirement, and also through adjusting seperator, it can reach proper fineness of materials.
COAL MILL SPECIFICATIONS
| Model | LM130M | LM150M | LM170M | LM190M | LM220M | LM240M | |
| Turnplate diameter (mm) | 1300 | 1500 | 1700 | 1900 | 2200 | 2400 | |
| Capacity (t/h) | 10~15 | 16~22 | 20~28 | 26~35 | 35~45 | 40~50 | |
| Coal powder fineness (R0.08) | 15% | 15% | 15% | 15% | 15% | 15% | |
| Coal powder water percentage | 1% | 1% | 1% | 1% | 1% | 1% | |
| Max. input size (mm) | 38 | 40 | 42 | 45 | 50 | 55 | |
| Input material water percentage | 15% | 15% | 15% | 15% | 15% | 15% | |
| Input wind temperature (℃) | 350 | 350 | 350 | 350 | 350 | 350 | |
| Output wind temperature (℃) | 75~95 | 75~95 | 75~95 | 75~95 | 75~95 | 75~95 | |
| Raw coal Hardgrove grindability index (HGI) | >55 | >55 | >55 | >55 | >55 | >55 | |
| Main motor power (KW) | 185 | 250 | 315 | 400 | 500 | 560 | |
| Overall dimension | L mm | 3500 | 4200 | 4700 | 8500 | 10200 | 11700 |
| W mm | 3400 | 3900 | 4500 | 5600 | 6700 | 7700 | |
| H mm | 5800 | 7100 | 8300 | 8800 | 10600 | 12200 | |
| Weight (t) | 46 | 75 | 94 | 100 | 122 | 157 | |
Note: This specification is just reference, any changes are subject to LM Series Vertical Coal Mill.
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