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Ultrafine Grinding Mill

Capacity:
0.4-30 t/h
Feeding size:
0-20 mm
Output Size:
74-5 micron/30-2500 mesh
Applied material:

calcite, carbon black,chalk, limestone, dolomite, kaolin, gypsum, and talc etc, totally more than 100 kinds of materials

  • Main Specification
  • Technical Data
  • Features
  • Working principle

HGM Ultra fine grinding mill is the equpment to produce fine and superfine powder of non-inflammable, non-explosive and brittle mineral, chemical and construction, such as calcite, carbon black,chalk, limestone, dolomite, kaolin, gypsum, and talc etc, totally more than 100 kinds of materials. Especially quite suitable for grinding calcium carbonate according to our test and our customers' feedback. We welcome you see our calcium carbonate ultr fine grinding mill running in our customers' worksite. 

Model

HGM80

HGM90

HGM100

HGM125

HGM168L

Ring Diameter(mm)

800

900

1000

1250

1680

Ring Number (PCS)

3

3-4

4

4

     4

Roller Number(PCS)

18-21

24-29

28-36

30-44

30-40

Main Shaft Speed (r. p. min)

230-240

 200-220

180-200

135-155

120-130

Input Size (mm)

≤10

≤10

≤15

≤15

≤20

Finished Size (um/mesh)

74-5

(200-2500)

74-5

(200-2500)

74-5

  (200-2500)

100-6

 (150-2000)

100-9

(150-1500)

Capacity (t/h)

0.5-4.5

0.6-6.5

1-9

2.8-20

5-45

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

26.3*7.5*11.9

1.High fineness, flexible adjustment.

The final fineness of calcium carbonate ulra fine grinding mill can be adjusted between 325 meshes and 2500 mesh (47-5 micron), and the product fineness can reach D97≤5μm.

2.High Efficiency.

Under the same finished final size and the same motor power, the capacity of calcium carbonate ulra fine grinding mill is twice as much as jet mill, mixing grinder and ball mill, and energy consumption decreased 30%.

3.Long lifecycle of spare parts.

The ring and roller are forged by special material with high utilization,the lifetime can reach 2-5 years for grinding calcium carbonate.

4.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.

5.Environment-friendly.

There are sound-proof house and muffler to reduce noise, dust cleaner to avoid dust flying outsize. 

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 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.

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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