LM Vertical Grinding Mill
LM series vertical milling machine, which is developed and launched by Zenith, sets medium crushing, drying, grinding, classifying and other functions as a whole, being the ideal equipment in the grinding industry.
Application
LM series Vertical mill is mainly applied in the grinding process of metallurgy, building materials, chemical, mining and other mineral industries, and suitable for grinding quartz, feldspar, calcite, talcum, barite, fluorite, rare earth, marble, ceramic, bauxite, manganese ore, iron ore, copper ore, phosphate rock, red iron oxide, zircon sand, slag, cement clinker, activated carbon, dolomite, granite, garnet, iron oxide yellow, chemical fertilizer, compound fertilizer, fly ash, bituminous coal, coking coal, lignite, magnesite sand, chrome oxide green, gold, red mud, clay, kaolin, coke, coal gangue, porcelain clay, kyanite, fluorspar, bentonite, rhyolite, pyrophyllite, shale, purple stone, Diego rock, basalt, gypsum, graphite, silicon carbide, thermal insulation materials and other non-flammable burst materials whose Mohs hardness are below 9.3.
Features & Advantages
Low running costs
It adopts the technology that vertical roller grind material directly on the disc, with low energy consumption; for the roller is not contact with the disc directly in the work, and the roller and liner are made by quality materials, it is of less wear and long life.
Simple and reliable operation
Its automatic control system can reach remote control, which is easy to operate; there is the device to prevent roller sleeve contact with disc liner directly, and avoid the destructive impact and severe vibration; we can turn the rotating arm by repairing fuel tank, replace the roller and liner are more convenient, which can reduce the downtime.
Energy conservation and environmental protection
It features small vibration, low noise, and sealing device as a whole, and the system also works with no pressure and dust spills.
Successful Projects
80-120 T/H
Country: Brazil
Time: 2012
What our customer say:
I am an old customer of Shanghai Zenith. I first bought Zenith mill in 2009, quality and service is really good, working stable and the production even higher than the sales staff had promised before. I believe the brand of Zenith, so I buy two vertical mills again this time with no hesitation. Hope to continue to cooperate with Zenith.
-- Production manager
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Reduce infrastructure investment:
The construction area is 70% of ball mill and building space is 50-60%.
Smaller energy consumption:
Compared with ball mill, LM Series Vertical mill can reduce energy consumption 30% to 40%.
Low metal loss:
The metal loss of ball mill is great, there are about 500g metal impurities in per ton limestone; and the LM series vertical milling machine has only 5 ~ 10g metal loss. In this way, using the LM series vertical mill not only can reduce the metal loss up to 95%, but also reduce the influence of metal impurities on whiteness and purity of the finished product.
More environmentally friendly:
LM Series Vertical mill is of little dust and noise, which is about 80dB or so, the noise of ball mill is higher 20 ~ 30dB.
High degree of homogenization:
The products of LM Series Vertical milling machine have no over-crushed phenomenon. However, ball mill can result in over-crushed phenomenon easily, and its product size is very uneven.
Large drying capacity:
LM series vertical mill adopts hot gas to transport material, when grinding materials contain much water (such as coal, slag, etc.), it can control the inlet air temperature, until products reach the final moisture. LM series vertical milling machine can dry 12-15% of the moisture of material; and even the dry ball mill can only drying 3-4% of the moisture of material.
Technology Specification
| Model | LM130K | LM150K | LM170K | LM190K | LM220K | LM240K | |
| Turnplate diameter (mm) | 1300 | 1500 | 1700 | 1900 | 2200 | 2400 | |
| Capacity (t/h) | 10~30 | 13~40 | 18~57 | 23~72 | 36~114 | 41~128 | |
| Final product size | μm | 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 | |
| Final product water percentage | ≤1% | ≤1% | ≤1% | ≤1% | ≤1% | ≤1% | |
| Max. input size (mm) | <38 | <40 | <42 | <45 | <50 | <55 | |
| Best water percentage of raw material | <4% | <4% | <4% | <4% | <4% | <4% | |
| Drying needed if water percentage is more than | <15% | <15% | <15% | <15% | <15% | <15% | |
| Input wind temperature (℃) | <350 | <350 | <350 | <350 | <350 | <350 | |
| Output wind temperature (℃) | 70~95 | 70~95 | 70~95 | 70~95 | 70~95 | 70~95 | |
| Main motor power (KW) | 185~220 | 250~280 | 355~400 | 450~500 | 710~800 | 800~900 | |
| 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) | 48 | 75 | 90 | 100 | 125 | 160 | |
Note: 1. Input material should be brittle material with Mohs hardness not more than seven.
2. Hot air is needed only when there is a requirement that water percentage of final product should be less than raw material.
3. If the material is hard to grind, motor power take large value.
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