High-Strength Grinding Mill

High strength grinding mill is a new type of grinding mill introduced by FTM. The large-scale milling machine is especially suitable for the desulfurization of various large-scale thermal power plants and steel mills, and mining and building materials industries. Currently, hot sale types in the market are high strength 96, high strength 95, high strength 93, high strength 86, and high strength 83.

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High-Strength Grinding Mill

Why FTM High-Strength Grinding Mill ?

High strength grinding mill is suitable for crushing barite, limestone, ceramics and slag, with a Mohs hardness of not more than 9.3, and a humidity of 6% or less in the fine powder processing of non-flammable and explosive mines, metallurgy, chemicals, building materials, and other industries. The finished product size is adjusted in the range of 80-425 mesh (the finest 1000 mesh). A 30-80 mesh coarse powder can be produced by adding special equipment inside the machine.

In the high strength grinding mill machine, a high-pressure spring with a pressure of 1000-1500 kg is fastened on the roller hanger. After starting work, the grinding roller rotates around the main shaft, and under the action of the high-pressure spring and the centrifugal force, it is pressed against the grinding ring, and the pressure is 1.2 times higher than that of the Raymond mill under the same dynamic condition, so the output is greatly improved. When the material to be ground enters the grinding chamber, it is shoveled by the blade and sent to the grinding roller and the grinding ring for rolling. After rolling, the powder is brought into the analysis machine along with the circulating air of the blower, and the qualified fine powder enters the cyclone powder collector as the finished product, and the large granular material falls back to the regrind. The circulating air is returned to the blower and the above process is repeated, and the residual air is purified by the bag filter. When the wear of the grinding roller and the grinding ring reaches a certain level, the length of the high-pressure spring is adjusted to maintain a constant rolling pressure between the grinding roller and the ring, which ensures a stable output.

Technical Data

Parameter
Model
Raymond mill62 High strength66 High strength76 High strength87 High strength92 High strength93 High strength97 Raymond mill4119 Raymond mill4525
Feeding
size(mm)
<15 <15 <20 <25 <25 <25 <25 ≤25 ≤30
Size of finished
product(mm)
0.173-0.033 0.173-0.033 0.173-0.033 0.173-0.033 0.173-0.033 0.173-0.033 0.173-0.033 0.173-0.044 0.173-0.044
Shift output of
different material
fineness(t)
0.6-9 1-20 1.5-25 2.8-33 3-36 3.5-40 4-52 8-78 16-176
Rotate speed
of central
shart(r/min)
274 190 170 161 148 140 130 105 82
Diameter of
pulverizing
ring(mm)
525 725 850 907.5 973 1006 1050 1400 1770
Diameter of
pulverizing
ring(mm)
150 210 250 270 300 300 310 410 450
Height of
pulverizing
roller(mm)
100 150 150 150 160 160 170 190 250
Main Motor 7.5 15 18.5 22 30 30 37 75 132
Fan Motor 4-5.5 4-11 4-15 4-18.5 4-22 2-22 4-37 4-75 4-132
Analyzer Motor 6-1.1 6-2.2 6-2.2 6-2.2 6-2.2 6-3 4A-5.5 4B-7.5 4A-18.5

Advantages

1. Three-dimensional structure, small footprint, strong set, from block to finished powder independently into a production system.

2. The fineness of the finished powder is uniform, and the screening rate is 99%, which is difficult for other milling equipment.

3. The important parts are made of high-quality steel, and the wear parts are made of high-performance wear-resistant materials; thus, the wear resistance of the whole machine is high.

4. The electrical system adopts centralized control; the grinding workshop can basically realize unmanned operation and the equipment is easy to maintain.

Service & History

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