There are five types of Shanghai CLIRIK HGM series pumice powder grinding mill, they are HGM80, HGM90, HGM100, HGM100A and HGM125. The finished production fineness can be reached 300meshes~3000meshes, 5-47 micron. The capacity (ton/hour) ranges from 0.4T/H to 12T/H.
HGM Series pumice powder grinding mill is the equipment specializing in producing fine and superfine powder of non-inflammable, non-explosive and brittle materials with Mohs's hardness under six, such as calcite, chalk, limestone, dolomite, kaolin, bentonite, talc, mica, magnesite, illite, pyrophyllite and vermiculite, sepiolite, attapulgite, rectorite, diatomite, barite, gypsum, alunite, graphite, fluorite, rock phosphate, Kalium ore, pumice, etc., totally more than 100 kinds of materials.
Working Principle of pumice powder grinding mill:
●The crusher will crush the big materials into small ones, and then the elevator will send them to the hopper.
●The vibrating feeder will send the materials to the middle of first dial evenly.
●The motor of main equipment drives the main shaft and dial through reducer, and the dial drives numbers of rollers moving in the ring channels via pins.
●The materials will be driven to the edge of dial by centrifugal force and fall down into the ring, crushed and grinded by roller, and become powder after production of three rings.
●The high pressure centrifugal blower will inhale air from outside and bring the crushed materials to classifier.
●The rotating turbo in the powder collector will make the coarse materials return to the mill and regrounded, while the fineness will mix with the air and go into the cyclone and be discharged in the discharge bin, which is at the bottom of it.
●The air, which mixed with very little fineness, will be purified by impulse duster and discharged by blower and muffler.
Technical data of pumice powder grinding mill:
| Model | HGM80 | HGM90 | HGM100 | HGM100A | HGM125 |
| Ring Diameter(mm) | 800 | 930 | 1035 | 1035 | 1300 |
| Ring Number (PCS) | 3 | 3-4 | 3 | 4 | 4 |
| Roller Number(PCS) | 21 | 24-32 | 27 | 34-36 | 40-44 |
| Main Shaft Speed (r. p. min) | 230-240 | 200-220 | 180-200 | 180-200 | 135-155 |
| Input Size (mm) | ≤20 | ||||
| Finished Size (um) | 5-47(325-2500) | ||||
| Capacity (t/h) | 0.5-4.5 | 0.6-6.5 | 0.7-7 | 1-8.5 | 1.5-12 |
| Outlet Size L*W*H (m) | 13.9*4*6.2 | 14.7*4.8*7.2 | 18*4.6*8.6 | 18*4.6*8.6 | 14*9*10.25 |
| Motor powder (KW) | 145-165 | 185-204 | 263 | 263-290 | 380-430 |
Note: This specification is just referencing, any changes are subject to the products.
Features and advantages of pumice powder grinding mill:
● High Efficiency
Under the same finished final size and the same motor power, the capacity of grinding mill is twice as much as jet mill, mixing grinder and ball mill, and energy consumption decreased 30%.
● Long lifecycle of spare parts
The ring and roller are forged by special material with high utilization. Under the same grinding material and finish special size, the lifecycle of spare parts is about one year, which is 2-3 times longer than impact mill or turbo mill. Furthermore, the lifetime can reach 2-5 years for grinding calcite carbonate.
● High safety and reliability
As no rolling bearings or screws in grinding cavity, there are no problems caused by bolts shedding or rapid wear of bearings and seal components.
● High fineness, flexible adjustment
The final fineness of the grinding materials can be adjusted between 325 meshes and 2500 mesh (47-5 micron), and the product fineness can reach D97≤5μm.
●Environment-friendly
The application of pulse bag filter and muffler greatly alleviates dust pollution and noise.
●Advanced intelligent speed control device
Convenient adjusting, more uniform particle size.
