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MD series coal mill dynamic powder selection machine
MD series coal mill dynamic powder selection machine
Product details

1、 Overview
The MD coal mill dynamic powder selection machine is a high-performance powder selection machine that integrates coarse powder separation and horizontal vortex powder selection. It is mainly used in wind swept coal mill systems and can also be used for the separation of materials such as fly ash.
2、 Performance characteristics
1. The grading principle is advanced, using vertical guide vanes and straight cage rotors, which is a high-quality sorting structure with high powder selection efficiency.
2. Built in eddy current rectifier, the airflow inside the rotor rises and rotates in a staggered manner, significantly reducing the airflow resistance inside the powder selector, saving driving power, and reducing wear.
3. The spindle of the powder selection machine adopts stepless variable frequency speed regulation, making it easy to adjust the fineness. Sensitive and reliable. Wide adjustment range, freely adjustable between 15-80 μ m.
4. The vulnerable parts of the powder selection machine, such as the feeding tray, cyclone tube, guide vanes, and rotor grading blades, are all made of wear-resistant materials or treated with anti-wear processes, resulting in extremely low wear rates and effectively extending their service life.
5. The whole equipment operates under negative pressure, with a simple system structure and stable and reliable operation.
3、 Main Technical Performance Table


Model number Output t/h (80 μ m sieve residue 2%) Air volume (m)3/h) Dry oil pump

Motor Motor

Model number Power (kw)
MD250 6-10 15000-18000 SGZ-8 Y160M-4 11
MD350 10-14 21000-24000 SGZ-8 Y160L-4 15
MD500 14-24 24000-36000 SGZ-8 Y180M-4 18.5
MD700 24-30 36000-48000 SGZ-8 Y180L-4 22
MD850 30-42 48000-55000 SGZ-8 Y200L-4 30
MD1000 42-50 55000-70000 SGZ-8 Y225S-4 37
MD1500 45-56 90000-11000 SGZ-8 Y225M-4 45


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