raw material vertical roller mill in Cement plant

raw material vertical roller mill in Cement plant

cement plant vertical roller mill is designed for cement grinding equipment. new high efficiency, energy saving and environmental protection, has high grinding efficiency, low power consumption, low noise, little dust pollution and other advantages.

SBM Machinery production of the vertical grinding of raw material, production capacity of up to 720 t/h, the power consumption is generally 17~20 kWh/t, energy saving effect is very significant, can satisfy the 1000-10000 t/d cement production line supply. The raw material mill can be ground water as high as 7% drying into the material, a material uniform product size, 0.008mm sieve residue can be controlled at about 12%, to meet the requirements of raw meal fineness of rotary kiln, productivity decline and energy waste discharge is meticulous and lead to avoid.

raw material vertical roller mill Working principle

the motor through the vertical speed reducer drives the grinding disc to rotate, the solid material through the air lock feeder device from the feed inlet disc center, under the action of centrifugal force was thrown to the disc periphery and by the repeated rolling and crushing grinding roller.

The crushed materials from the disc edge overflow, high-speed airflow powder material which is rising from the lower part of the machine with air and powder materials, rising through the powder selecting machine upper, in the role of rapid rotation of the rotor, coarse powder is separated into the disc center regrinding, fine powder with airflow from the upper part of a grinding mill, were collected in the dust collecting device, namely product.

There is granular material flow away, overflow disc after the outer loop of the bucket type lifting machine and return to the mill inlet, and the new feeding raw materials together into regrinding mill. raw material vertical roller mill performance advantage:

  • power consumption, raw material mill system for general 17~20 kWh/t, compared with the tube mill system saves 30% ~ 40%.
  • the operation of the grinding roller and the lining board without direct contact friction, low noise,
  • small abrasion, liner grinding roller, the service life above 6000H
  • large capacity, disk effective diameter can reach 6.3m, with 720t/h clinker production capacity.
  • allowed into the grinding water up to a maximum of 7%6, fineness of up to 80 mR12-15%7, change the speed to meet the different requirements of the product fineness.

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