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Detail

Stone Grinding Plant

stone grinding plant

Introduction of stone grinding plant:
The Dry grinder mill  mainly consist of hammer crusher , micro powder main unit, Frequency conversion classifier, powder collector, pulse dust cleaner,high pressure positive blower, air compressor, muffler, electrical apparatus control system, sound-proof room, crusher, bucket elevator, storage hopper, and vibrating feeder.
The purpose of  Dry grinder mill  is for super-fine grinding materials with hardness less than 6 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, diatomite, graphite, alunite, fluorite, potassium feldspar, phosphorite, pigment and so on. The granularity of the end products is 325-2500 meshes (0.044-0.0055mm).mainly consist of hammer crusher , micro powder main unit, Frequency conversion classifier, powder collector, pulse dust cleaner,high pressure positive blower, air compressor, muffler, electrical apparatus control system, sound-proof room, crusher, bucket elevator, storage hopper, and vibrating feeder.

Models of stone grinding plant:
HGM80/HGM90/HGM100/HGM100A/HGM125
Finished graphite powder fineness: 47-5 micron (325mesh-2500mesh)
Capacity: 0.4-12T per hour
Input graphite ore size: ≤20mm

Working principle of stone grinding plant:
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 materials 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.

Production line configuration of stone grinding plant:
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.

Technical Advantages of stone grinding plant:
● High Efficiency
Under the same finished final size and the same motor power, the capacity of HGM series 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 (47-5 micron), and the product fineness can reach D97≤5μm.
●Environment-friendly
The application of pulse bag filter and muffler greatly alleviates dust pollution and noise.
●Advanced intelligent speed control device
Convenient adjusting, more uniform particle size.
 
Model and technical data of stone grinding plant:
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
 
Note:This specification is just referencing, any changes are subject to the products. 
 
Contact person: Alice
Email: info@clirik.com
Tel: 86-021-20236178

Project

Contact us

  • Tel: 0086-21-58974855
  • Fax: 0086-21-58975587
  • Add: No.19Fuqing Rd,Shanghai 201201,China
  • Fax: 0086-21-58975587

Tel: 0086-21-58974855 Fax: 0086-21-58975587 Add: No.19Fuqing Rd,Shanghai 201201,China Postcode: 201201 E-mail: info@clirik.com