Calcined steatite powder milling machine
Steatite is also known as soapstone or soap rock. Steatite is relatively soft (because of the high talc content, talc being one on Mohs hardness scale), and may feel soapy when touched, hence the name. Steatite is a metamorphic rock, and it is composed dominantly of talc, with varying amounts of chlorite and amphiboles. The hardness of steatite will increase after calcined, when heated to temperatures of 1000~2000 °C into enstatite and cristobalit, in the Mohs scale, this corresponds to an increase in hardness from 1 to 5.5~.5.
Calcined steatite is very hard, and it can be processed to micro powder for high technical industry. Clirikcalcined steatite powder milling machinecan grind non-inflammable, non-explosive and brittle materials with Mohs’ hardness under six. Such as calcite, chalk, steatite, limestone, dolomite, kaolin, gypsum, and talc etc, totally more than 100 kinds of materials. Product fineness can be controlled between 300~3000 mesh (47~5 micron)
Comparable with ball mill,steatite powder milling machinehas features of low cost,high capacity, easy operation;Comparable with Raymond mill for coarse powder up to 325 meshes, it can producefine powders between 47 and 5 microns (300 to 3000 meshes)
Performance and features ofCalcined Steatite powder milling machine:
1.High efficiency
Under the same final size and power, the product capacity ofpowder milling machine is twice than jet mill and agitation mill.
2.Long lifetime ofwearing parts
The roller and ring are made of special material, which improve the grinding efficiency a lot. For same material and final size, the lifetime of its wearing parts can reach to more than one year, about 2-5 times as long as that of vertical impact crusher and turbo-mill. Especially when handling calcium carbonate and calcite, the lifetime can reach 2-5 years.
3.High safety and reliability
There are no rolling bearings and bolts in grinding cavity, so problems caused by bolts shedding or wear of bearings and seal components will never happen.
4.High fineness of products
The product fineness can reach D97≤5μm.
5.Environment friendly
The application of DMC-120pulse dust collectorand muffler reduce the pollution and noise of the dust, which has reached national environment protection standard
Production Line Configuration ofCalcined Steatite powder milling machine:
The whole setHGMCalcined Steatite powder milling machineconsists of hammer crusher, bucket elevator, storage hopper, vibrating feeder, main unit, inverter classifier, cyclone collector, pulse deduster system, high pressure positive blower, air compressors and electrical control systems
Working Principle ofCalcined Steatite powder milling machine:
The main bearing and each dial are driven by electromotor of main machine through reducer, and numbers of rollers, which are rolling in the ring, are driven by dial through plunger. After crushed by hammer crusher, the big materials become small ones and are sent to storage hopper by elevator and further sent to the middle of first dial evenly by the electromagnetic vibrating feeder and feeding pipe. 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 blow the crushed materials to classifier. The rotating turbo in the powder concentrator will make the coarse powder return to the mill and reground, 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 ofCalcined Steatite powder milling machine:
| Model |
HGM80 |
HGM90 |
HGM100 |
HGM100A |
HGM125 |
| Ring Diameter(mm) |
800 |
930 |
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.m.) |
230～240 |
200～220 |
180～200 |
135～155 |
| Input Size(mm) |
≤20 |
| Finished Size/um(mesh) |
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 |
14*9*10.25 |
| Motor Power(KW) |
145-165 |
185-204 |
263 |
263-290 |
380-430 |
Note: This specification is just referencing, any changes are subject to the products.
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