Three-rings and Medium-speed Micropowder Grinder
Three-rings and Medium-speed Micropowder Grinder
HGM series three-ring medium speed micro-powder mill is designed basing on our 20 years grinding experience, absorbing the Swedish advanced machine manufacturing techniques. This milling machine is a new type of mill machine for super fine powder through more than 20 times of trial and improvement. And this milling machine is the latest type of products in the world that combines Chinese and Swedish techniques and leads the world tide.
Working principle of the milling machine
The main motor drives main shaft and every turnplate through reducer. The reducer drives dozens of rollers to rotate against race way of ring through pin. Small pieces crushed by hammer crusher are transported into hopper by elevator, and then vibrating feeder will feed materials to central part of upper turnplate evenly.
The materials are scattered around under centrifugal force and fall down to raceway of ring to be crushed into powder. After ground in the first race way, the materials go to the second and third turnplate.
The high pressure centrifugal blower sucks external air into the mill and carries the powder after third turnplate into classifier. Turbine in the classifier makes the coarse powder drop down for regrinding.
The finer powder shall go into cyclone powder collector together with air current and go down through discharge valve as final product; at the same time, air current with a little dust goes out through blower and noise reducer after purified by impulsed deduster.
Main characteristics of the milling machine:
1. High efficiency and low cost Capacity is 40% higher compared with airflow mill and mix mill with same size of final product and same motor power.
2. Service lifetime of easy-worn parts is longer than that of vertical shaft impact crusher and turbine mill with same size of final product and same motor power. Usually, its service lifetime is more than one year.
3. Three is no rolling bearing and screw in the grinding cavity, so the user doesnt need to worry about tear of bearing and seals, and damage to equipment because of looseness of screws.
4. The fineness of powder of this mill can reach 5 um with d97 directly.
Advantages compared with normal super-fine powder mill:
1. Low investment cost: compared with airflow mill, with the same fineness, less investment cost, shorter return period.
2. Capacity is 45% higher compared with airflow mill and mix mill with same size of final product and same motor power.
3. Service lifetime of easy-part parts is longer than that of normal mills. All the easy-worn parts adopt the high quality abrasive resistant materials, and can last for longer than one year.
4. The operation is steady and reliable. Compared with normal mills, there is no rolling bearing or screw in the grinding cavity, so the user doesnt need to worry about tear of bearing and seals, and damage to equipment because of looseness of screws.
5. The fineness of powder of this mill can reach 5 um with d97 directly.
6. It protects the environment and causes no pollution. It adopts impulsed deduster of high efficiency. There is no dust pollution, the noiser reducer and anechoic chamber can reduce the noise according to requirements of National environmental standard to protect the environment. The anechoic chamber can reduce the noise and pollution to meet the national environmental standard to protect the environment.
Technical data of the milling machine