Synopsis
Grinding plant is used for grinding crushed stones, rocks, sand into powder, fine powder and ultrafine powder. It includes kinds of grinding mills, the most popular is ball mill, roller mill and raymond mill. More information about the grinding plant, see below.
List
- Ball Mill
- Grinding Plants
- Lm Vertical Grinding Mill
- Mcf Coarse Powder Mill
- Mtm Series Medium Speed Trapezium Mill
- Mtm130x Ultrafine Mill
- Mtw Series Trapezium Mill
- Raymond Mill
- Roller Mill
- Xzm Series Ultrafine Mill
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LM VERTICAL GRINDING MILL
LM Series vertical mill is an advanced grinding machine, which integrated with drying , milling ,grading and transporting . It is the high standard mill which can meet the high capacity of powder producing request. LM vertical grinding mill is widely used in cement , powder station ,metallurgy ,chemical and non-metal industry .
Already be proven commercially, the LM Series vertical mill presents a major advance in roller mills for finish grinding process. Comparing with other common roller mills, the compact LM Series vertical mills has the space-saving design, reducing the civil construction costs.
The high-efficiency, energy-saving LM Series vertical mill can simultaneously handle pulverizing, drying, sizing and air jet transport. This series vertical mill has the high grinding efficiency, meaning a 50% reduction in per-unit power consumption over ball mills. The particle size adjustments of this vertical mill are simple, with minimal noise and vibration.
FEATURES :
1. Low invest cost
2. Low run cost
3. High drying ability
4. Easy to operate, reliable performance
5. Stable quality
6. Convenient to maintain
7. Environmental protection
8. Best service from Zenith.
9. CE, GOST, ISO certificated.
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.
PARAMETER
|
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.
LM Series Vertical Coal Mill Specification
|
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 |
|
SEE ALSO
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