stone micronizer,grinding pulverizer
stone micronizer/stone pulverizder
Working principle of stone micronizer,grinding pulverizer
HGM series stone micronizer mainly consist of main unit, classifier, powder collector, dust cleaner, blower, muffler, sound-proof room, crusher, bucket elevator, storage hopper, and vibrating feeder.
After crushed by hammer crusher, the large materials become small ones and are sent to storage hopper by elevator, edge of then evenly sent to the upper distribution plate of the turnplate by vibrating feeder and sloping feeding pipe.
When the stone micronizer is at work, all the grinding rollers are rolling in the ring, and the materials are driven to the edge of the turnplate by the centrifugal force and fall down into the grinding chambers where the materials are repeatedly pressed, crushed and grinded by the rollers.
The high-pressure air blower constantly inhales air within the stone micronizer and, in turn, the air flow with crushed materials are brought to the classifier whose high-speed impeller will screen the airflow: the unqualified particle size will fall and return to the mill for being reground while the qualified particle size mixed with air will go into the cyclone powder collector. Most of the qualified powders will fall an exit from the discharging valve at the bottom; a small proportion of the fine powders, with airflow, moves to the dust cleaner, and clings to the surface of the filter bags. At the same time, the fine powders clinging to the surface fall down by the sudden vibration of the filter bags, which is caused by the instantly ejected high-pressure gas controlled by the pulse valve. The materials from the above two lots are sent by the conveyor at the bottom to get finished powders packed. In addition, filtered clean air will be emitted from the air outlet of muffler in the end.
Features of stone micronizer,grinding pulverizer
1. High efficiency
Under the same finished final size and the same motor power, the capacity of stone micronizer is twice as much as jet mill, mixing grinder and ball mill.
2. 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 2-3times longer than impact mill or turbo mill. Furthermore, the lifetime can reach 2-5 years for grinding calcite carbonate.
3. 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.
4. High fineness and flexible adjustment
The final fineness of the grinding materials can be adjusted between 325 meshes and 3000 meshes, and the product fineness can reach D975um.
5. Environment-friendly
The application of pulse deduster and muffler greatly alleviates dust pollution and noise.
Model and technical data of stone micronizer,grinding pulverizer

Model
HGM80
HGM90
HGM100
HGM100A
HGM125
Ring Diameter(mm)
800
900
1000
1000
1250
Ring Number/pcs
3
3-4
3-4
4
4
Roller Number/pcs
21
24-32
27-36
27-36
40-44
Main Shaft Speed/r. p. min
230-240
200-220
180-200
180-200
135-155
Input Size/mm
15
Finished Size/um
5-47(325-3000)
Capacity t/h
0.4-4.5
0.4-5.5
0.4-6.5
0.4-7.5
0.7-10
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

Note: This specification is just referencing, any changes are subject to the products.
Should you have any questions, please do not hesitate to contact me.
Phone: 0086-21-20236178
Contact person:Cherry.Zhao
E-mail: info@clirik.com;clirik_grinder@126.com
Website: http://www.grinding-equip.com; http://www.mill-grinding.com; http://www.saico.net.
 
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