LM Series Vertical Mill

LM series vertical grinding mill is a kind of large scale powder grinder mill which is designed specially to solve the problems of low capacity and high consumption of industry mills. With a decade of years research of mills, vertical grinding mill is designed and manufactured based on our advanced design idea, and in combination with the european technology and the market demand. LM vertical roller mill adopts reliable structure and reasonable process flow, integrated with drying, milling, classifier, elevator. Especially, it can fully meets the requirement of clients in the high production of powder, and its main technical and economy indicator reachs the international level.

Features
  1. Low operating costs
    Combine the crushing,grinding,dring,classifier and elevator,the system of vertical mill is simple and occupation area is about 50% of ball mill system. Vertical roller mill can be installed outside, so it will reduce a large number of investment cost.
  2. High efficiency
    Compared with ball mill, vertical roller mill can save energy consumption 30%-40%.
  3. Less wear and tear
    The optimized roller and the high quality raw material make the machine’s life more longer.
  4. Simple and reliable operation
    Automatic control system is equiped, so the remote control makes it easy to operate. Vertical roller mill is equipmented with one device,which prevents the roller from contacting with the liner directly, and avoids the destructive impact and severe vibration.
  5. Convenient maintenance
    By reparinging fuel tank, rotating the arm, it is fast to replace the roller sleeve, and liner, and reduce the downtime loss.
  6. Environmental protection
    Vertical roller mill is with small vibration, low noise, and the overall sealing. The system works under negative pressure, so there is no dust going out. It meets the requirements of the state Environmental Protection.
Maintenance of vertical roller mill

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Application
Application: Glass fiber industry, coal industry, chemical industry, and for large scale powder making and non mental mine industry.
Capacity Up to 128TPH(ore mill), up to 50TPH (coal mill)
Max feeding size: <55 mm
Feed Material: Pyrophillite, coal, calcite, barite, limestone, lime powder, marble, silica, talc, kaoline, gold ore, ferrite, clay, slag, marble,and so on.
Apply for production plant: Grinding production plant
Durability: Depends on the hardness and humidity of feed material and other factors.
Certification: ISO 9001:2000
Guarantee: One year (excluding easy-worn parts)
Teachnical Parameter

Mm to inch conversion: 25.4millimeters=1 inch
Mm to mesh conversion: 25.4mm=1in.
The humidity and hardness of raw materail will affect the fineness and capacity.

Ore Mill:

Contents|Data\Model LM130K LM150K LM170K LM190K LM220K LM240K
Disc Dia. (mm) 1300 1500 1700 1900 2200 2400
Capacity (t/h) 10~30 13~40 18~57 23~72 36~114 41~128
Output fineness micron 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
Product moisture ≤1% ≤1% ≤1% ≤1% ≤1% ≤1%
Max.input size (mm) <38 <40 <42 <45 <50 <55
Best input moistrure <4% <4% <4% <4% <4% <4%
input moistrure(drying required) <15% <15% <15% <15% <15% <15%
Inlet air temperature (℃) <350 <350 <350 <350 <350 <350
Outlet air temperature (℃) 70~95 70~95 70~95 70~95 70~95 70~95
Main mill power (KW) 185~220 250~280 355~400 450~500 710~800 800~900
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

Notes:
1. Material should be with hardness less than 7 in Mohs.
2. Hot air is only necessary if outlet moisture is required to be less than inlet moisture.
3. When grinding mateiral that is difficult to grind, please use the largest power.

Coal Mill:

Contents|Data\Model LM130M LM150M LM170M LM190M LM220M LM240M
Disc Dia. (mm) 1300 1500 1700 1900 2200 2400
Capacity (t/h) 10~15 16~22 20~28 26~35 35~45 40~50
fineness (R0.08) <15% <15% <15% <15% <15% <15%
Coal powder moisture <1% <1% <1% <1% <1% <1%
Max.input size (mm) <38 <40 <42 <45 <50 <55
input moistrure <15% <15% <15% <15% <15% <15%
Inlet air temperature (℃) <350 <350 <350 <350 <350 <350
Outlet air temperature (℃) 75~95 75~95 75~95 75~95 75~95 75~95
Hardgrove index of raw coal (HGI) <55 <55 <55 <55 <55 <55
Main mill power (KW) 185 250 315 400 500 560
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: Any change of LM Series Vertical Mill technical data shall not be advised additionally.

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