Grinding Mill

Vertical Coal mill, coal vertical roller mill    Date:2013-01-12 09:33

Vertical coal mill plant introduction
Vertical mill can grind coal, marble, granite, kaolin, hard coke etc. so it is also called vertical coal mill or coal vertical roller mill. CLIRIK vertical mill and vertical roller mills are the best choice for your coal plant.
Over View of vertical coal mill, coal vertical roller mill overview:
To make the different ingredients into products of a certain granularity, in order to get required size for clinker calcinations.
Smaller size particular has larger surface area to be completely contacted with each other, bringing fast chemical reaction, which is good to make clinkers of high quality.
When the degree of grinded raw material is too high, it has no obvious positive impact for calcinations, but costs too much electricity. So you have to control the grinded particular finesse in a reasonable range.
The best suitable finesse and granularity: 1.0-1.5% of grinded particular under 0.2mm, 8-12% under 0.08mm
China supplier about Vertical coal mill, Coal vertical roller mill:
We are a leading manufacturer of Vertical coal mill, Coal vertical roller mill in Shanghai, China. As a professional manufacturer of this kind of machine, we have been in this line for many years, and now our products spread over the world for the good quality and competitive price.
Types of Vertical coal mill, Coal vertical roller mill:
1. 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 Vertical coal mill, Coal vertical roller mill; they are HGM80, HGM90, HGM100, HGM100A and HGM125.
2. Finished powder products are in the 20meshes-325meshes, and yield can be up to 1-20 tons per hour. There are also fine models of this type vertical coal mill in CLIRIK, they are YGM7815, YGM8314, YGM9517, YGM4121 and MTM1600.
Detailed Product Description about Vertical coal mill, Coal vertical roller mill:
Vertical coal mill, Coal vertical roller mill is mainly applied to grind non-inflammable, non-explosive and brittle materials with Mohs’ hardness under nine. Such as calcite, chalk, limestone, dolomite, kaolin, gypsum, and talc etc, totally more than 100 kinds of materials. Product fineness can be controlled between 20~3000 mesh
Comparable with ball mill, Vertical coal mill, Coal vertical roller mill has features of low cost, high capacity, easy operation.
Performance and features of Vertical coal mill, Coal vertical roller mill:
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 Vertical coal mill, Coal vertical roller mill:
The whole set HGM Vertical coal mill, Coal vertical roller mill consists of  hammer crusher, bucket elevator, storage hopper, vibrating feeder, vertical mill, inverter classifier, cyclone collector, pulse deduster system, high pressure positive blower, air compressors and electrical control systems
Working Principle of Vertical coal mill, Coal vertical roller mill:
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.
Technical Data of Vertical coal mill, Coal vertical roller mill:
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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