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                              Dolomite Grinding Mill

                              • Finished Size: 150-3000 mesh, 5-74 micron
                              • Capacity: 0.4-30T/H
                              • Raw materials: calcite, chalk, limestone, dolomite, kaolin, gypsum, and talc etc, totally more than 100 kinds of materials.
                              Dolomite grinding Mill also is named dolomite mill, dolomite grinding machine,dolomite grinding plant, is suitable for grinding dolomite into fine powder.

                              Dolomite grinding Mill is the new type mining equipment for making micro powders, fine powders,which is widely applied in the industries of metallurgy, mining, chemistry, cement, construction, refractory materials, ceramics, and so on.The purpose of the micro powder grinding millis for super-fine grinding materials with hardness less than 9 in Moh's scale and humidity less than 6 percent such as kaolin, limestone, calcite, marble, talcum, barite, gypsum, dolomite, bentonite mud, mica, pyrophyllite, sepiolite, carbon black, diatomite, graphite, alunite, fluorite, potassium feldspar, phosphorite, pigment, up to 200 kinds.
                               
                              Dolomite grinding Mill Production line: consists 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 of dolomite grinding Mill:
                              When the grinding mill 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 grinding mill and, in turn, 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, 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.
                               
                               
                              Technical Advantages of dolomite grinding Mill
                              1.High Efficiency.
                              Under the same finished final size and the same motor power, the capacity of the machine is twice as much as jet mill, mixing grinder and ball mill, and energy consumption decreased 30%.
                              2.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 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, flexible adjustment.
                              The final fineness of the grinding materials can be adjusted between 325 meshes and 2500 mesh (47-5 micron), and the product fineness can reach D97≤5μm.
                              5.Environment-friendly.


                              Technical Data of dolomite grinding Mill:

                              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)
                              0.4-4.5
                              0.6-6.5
                              1-9
                              2-16
                              3.8-30
                              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
                               
                              Type
                              Roller
                              Max. feeding size(mm)
                              Fineness(mm)
                              Output(t/h)
                              Power(kw)
                              Size(mm)
                              No.
                              Dimension(mm)
                              Height(mm)
                              YGM7815
                              3
                              260
                              150
                              15
                              0.613-0.033
                              1-3
                              18.5
                              4300*3500*5100
                              YGM8314
                              3
                              270
                              140
                              20
                              0.613-0.033
                              1.2-4.6
                              22
                              5300*4100*5200
                              YGM9517
                              4
                              310
                              170
                              25
                              0.613-0.033
                              2.1-5.6
                              37
                              7100*5900*7900
                              YGM4121
                              5
                              410
                              210
                              30
                              0.613-0.033
                              2.8-10.5
                              75
                              9200*7250*9700
                              MTM1600
                              6
                              440
                              270
                              35
                              0.613-0.033
                              5-20
                              132
                              12550*5700*8350
                               
                              Type
                              PC400x300
                              PC600x400
                              PC800x600
                              Rotor Diameter /mm
                              400
                              600
                              800
                              Rotor Width/ mm
                              300
                              400
                              600
                              Rotor Speed/ r/min
                              1100
                              1000
                              900
                              Max Feeding Size/mm
                              <100
                              <220
                              <350
                              Finished particle size /mm
                              0-10
                              0-20
                              0-22
                              Capacity / t/h
                              3-8
                              8-15
                              15-45
                              Power /kw
                              11
                              18.5-22
                              45
                              Hammer Number /pieces
                              12-16
                              12-20
                              20-28
                              Dimension L*W*H/mm
                              855*795*860
                              1150*1095*1230
                               2360*1490*1415
                               
                               

                               

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