Alumina grinding mill, Aluminum oxide grinding mill machine

Alumina or Aluminum oxide powder can be used in many industries area, such as: aluminum industry, Precision casting, refractory products, Aluminosilicate refractory fibers, aluminous cement, and so on.
Alumina grinding mill, Aluminum oxide grinding mill machine is a type grinding mill machine to grind Alumina or aluminum oxide particle into fine or super thin Powder.
The final Powder size can be from 5micron to 47micron as per 97% passing rate.
Alumina grinding mill, Aluminum oxide grinding mill machine is mainly applied to non-inflammable, non-explosive and brittle materials with Mohs’ hardness scale under seven, such as calcite, chalk, limestone, dolomite, Alumina, bentonite, kaolin, talc, mica, magnesite, illite, pyrophyllite , roseite, sea-foam, attapulgite , rectorite, diatomite, barite, gypsum, alunite, graphite, fluorite,  rock phosphate, kalium ore, pumice etc. totally more than 100 kinds of materials.
Finished powder products are in the 325meshs -3000meshs, and yield can be up to 0.5-12 tons per hour. There are five types of Shanghai CLIRIK HGM series Alumina grinding mill, Aluminum oxide grinding mill machine, they are HGM80, HGM90, HGM100, HGM100A and HGM125.
Detailed Product Description about Alumina grinding mill, Aluminum oxide grinding mill machine:
Alumina grinding mill, Aluminum oxide grinding mill machine is mainly applied to grind non-inflammable, non-explosive and brittle materials with Mohs’ hardness under six. Such as calcite, chalk, limestone, dolomite, kaolin, gypsum, and talc etc, totally more than 100 kinds of materials. Product fineness can be controlled between 300~3000 mesh (47~5 micron) 
Comparable with ball mill, Alumina grinding mill, Aluminum oxide grinding mill machine has features of low cost, high capacity, easy operation; Comparable with Raymond mill for coarse powder up to 325 meshes, it can produce fine powders between 47 and 5 microns (300 to 3000 meshes)
 Working Principle of Alumina grinding mill, Aluminum oxide grinding mill machine:
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 powder 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.

 
 

Performance and features of Alumina grinding mill, Aluminum oxide grinding mill machine:
 1. High efficiency
Under the same final size and power, the product capacity of micro powder grinding mill is twice than jet mill and agitation mill.
2. Long lifetime of wearing parts
The roller and ring are made of special material, which improve the grinding efficiency a lot. For same material and final size, the lifetime of its wearing parts can reach to more than one year, about 2-5 times as long as that of vertical impact crusher and turbo-mill. Especially when handling calcium carbonate and calcite, the lifetime can reach 2-5 years.
3. High safety and reliability
There are no rolling bearings and bolts in grinding cavity, so problems caused by bolts shedding or wear of bearings and seal components will never happen.
4. High fineness of products
The product fineness can reach D97≤5μm.
5. Environment friendly
The application of DMC-120 pulse dust collector and muffler reduce the pollution and noise of the dust, which has reached national environment protection standard
Production Line Configuration of Alumina grinding mill, Aluminum oxide grinding mill machine:
The whole set HGM Alumina grinding mill, Aluminum oxide grinding mill machine 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

Technical Data of Alumina grinding mill, Aluminum oxide grinding mill machine:

Model	HGM80	HGM90	HGM100	HGM100A	HGM125
Ring Diameter(mm)	800	930	1035		1300
Ring Number(PCS)	3	3～4	3	4	4
Roller Number(PCS)	21	24～32	27	34～36	40～44
Main Shaft Speed(r.p.m.)	230～240	200～220	180～200		135～155
Input Size(mm)	≦20
Finished Size/um(mesh)	5-47(325~2500)
Capacity (t/h)	0.5-4.5	0.6-6.5	0.7-7	1-8.5	1.5-12
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
Motor Power(KW)	145-165	185-204	263	263-290	380-430

Note: This specification is just referencing, any changes are subject to the products.

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