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Calcium carbonate powder production line in Brazil

Application:

HGM Series Micro Powder Grinding Mill is the equipment specializing in producing fine and superfine powder of noninflammable, nonexplosive and brittle materials with Moh'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. The granularity of the final powder is 47-5 micron(0.044-0.005mm).

Components of calcium carbonate powder making machine, calcium carbonate powder production line, grinding plant

It mainly consist of main unit, classifier, powder collector, dust cleaner, blower, muffler, sound-proof room, crusher, bucket elevator, storage hopper, and vibrating feeder.

Working principle of calcium carbonate powder making machine, calcium carbonate powder production line, grinding plant

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.

When the grinding mill is at work, the main bearing and each dial are driven by electromotor of main equipment 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 where the materials are repeatedly pressed, crushed and grinded by the rollers. Then the materials fall into multiple layers and to be crushed and ground continuously to micro powder.

The highpressure air blower constantly inhales air within the grinding mill and, in turn, the airflow with crushed materials are brought to the classifier whose highspeed 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, 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 highpressure 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.

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.When the grinding mill is at work, the main bearing and each dial are driven by electromotor of main equipment 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 where the materials are repeatedly pressed, crushed and grinded by the rollers. Then the materials fall into multiple layers and to be crushed and ground continuously to micro powder.
 

Technical Parameters:

Model

HGM80

   HGM90

  HGM100

  HGM100A

  HGM125

Ring Diameter(mm)

800

930

1035

1035

 

Ring Number(layer)

 

3-4

3

4

4

Roller Number (piece)

21

24-32

27

34-36

40-44

Main Shaft Speed (r.p.m.)

230-240

200-220

180-200

180-200

135-155

Input Size(mm)

≤20

 ≤20

≤20

≤20

≤20

Finished Size (μm/mesh)

                                             5-47 (325-2500)

Capacity (t/h)

0.5-4.5

0.6-6.5

0.7-7

0.8 -8.5

0.9-12

Overall Dimension

(L*W*H, m)

13.9x4x6.2

14.7x4.8x7.2

18x4.6x8.6

18x4.6x8.6

14x9x10.25

     Motor Power(KW)

145-165

175-192

263

263

378-408

Features of the calcium carbonate powder making machine, calcium carbonate powder production line, grinding plant High Efficiency Under the same finished final size and the same motor power, the capacity of micro powder 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, and the product fineness can reach D97≤5μm.

Environment-friendly The application of pulse bag filter and muffler greatly alleviates dust pollution and noise.

 

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