| Type | Micro powder grinding mill |
| Application | Ore powder making |
| Color | Customize |
| Capacity (t/h) | 0.5-45 |
| Grinding mill input size | 0-20 mm |
| Grinding mill output fineness | 325~2500 mesh/47-5micron |
| Mine grinding mill capacity | 0.5-45t/h |
| Grinding mill capacity | 3-4pcs |
| Grinding mill ring no. | 21-44pcs |
| Grinding mill roller no. | 21-44 pcs |
Chalk Stone Micro Powder Production n>
HGM Ultrafine Grinding Mill is an efficient and low-cost ultra-fine powder processing equipment for limestone powder making.Ultrafine limestone grinding mill successfully replaces the traditional jet mill, ball mill classifier of complex procedures, greatly reduce production costs, improve product fineness.
HGM ultrafine grinding mill mainly consist of main unit, classifier, powder collector, dust cleaner, blower, muffler, sound-proof room, crusher, bucket elevator, storage hopper, and vibrating feeder.
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After crushed by hammer crusher, the large materials become small ones and are sent to storage hopper by elevator, and then evenly sent to the upper distribution plate of the turn plate by vibrating feeder and sloping feeding pipe.
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When the ultrafine grinding mill is at work, the main bearing and each dial are driven by electromotor through reducer, and all the grinding rollers are rolling in the ring channels driving by dial through plunger. The materials are driven to the edge of the turn plate by the centrifugal force and fall down into the grinding chambers.
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The high-pressure air blower constantly inhales air, the airflow 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 and exit from the discharging valve at the bottom; a small proportion of the fine powders, with airflow, moves to the dust cleaner. The materials from the above two lots are sent by the conveyor to get finished powders packed. In addition, filtered clean air will be emitted from muffler in the end.
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 Main Specification
| Model | HGM80 | HGM90 | HGM100L | HGM125 | HGM1680 |
| Ring Diameter(mm) | 800 | 900 | 1000 | 1250 | 1680 |
| Ring layer) | 3 | 3 | 4 | 4 | 4 |
| Roller piece) | 18-21 | 24-29 | 28-36 | 30-40 | 30-44 |
| Main Shaft Speed (r.p.m) | 230-240 | 200-220 | 180-200 | 135-155 | 120-130 |
| Input Size(mm) | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 |
| Finished Size(um/mesh) | 5-74(325-2500) | 5-74(325-2500) | 5-74(325-2500) | 6-100(325-2500) | 9-100(325-2500) |
| Capacity(t/h) | 0.5-4.5 | 0.6-6.5 | 1-9 | 2.8-20 | 5-45 |
| Overall Dimension(L*W*H,m) | 13.9*4*6.2 | 14.7*4.8*7.2 | 18*4.6*8.6 | 14*9*10.25 | 26.3*7.5*11.9 |
Note:Â The capacity is based on the domestic CaCO3Â powder factory's feedback.
Powder Parameter
| Unit:KW | HGM80 | HGM90 | HGM100L | HGM125 | HGM1680 |
| Main unit | 55-75 | 2*45 | 132-150 | 185-200 | 315 |
| Classifier | 18.5 | 18.5 | 30 | 37-4*15 | 5*18.5 |
| Blower | 45 | 55 | 75 | 110 | 2*75-2*90 |
| Crusher | 18.5 | 18.5 | 18.5 | 45 | 45 |
| Bucket Elevator | 3 | 3 | 4 | 4 | 7.5 |
| Feeder | 1.5 | 1.5 | 1.5 | 1.5 | 2.2 |
| Discharging Valve | 2*0.75 | 1*0.75-1*1.1 | 2*1.1 | 2*1.1 | 2*0.75-2*1.5 |
| Air Compressor | 11 | 15 | 22 | 37 | 55 |
Note:Â For the data with prefix such as "2*xx",which means there are two same motors configured for one item
325 mesh-2500 mesh(5-47 micron ).Output size is adjustable by adjusting running speed of classifier (1-70HZ ) .
HGM100L micro powder mill - calcium carbonate | ||
Fineness (micron ) | Capacity(ton / hour) | Power consumption for one ton powder (kwh /ton) |
5 | 1.5 | 125 |
8 | 2.2 | 85 |
10 | 3 | 63 |
15 | 4.5 | 42 |
20 | 5.5 | 34 |
25 | 7 | 26 |
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Take model HGM100L as an example
One set HGM100L micro powder mill installation cover 92 square meter space, 9 meter height . Total production 2-3 workers, one for raw material feeding , one for operation and maintenance , the last one for final packing .
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