HLM vertical mill large coal mill Hongcheng mine vertical mill

  HLM vertical mill
HLM series vertical pulverizer is an advanced energy-saving grinding equipment integrating drying, grinding, grading and transportation, which has been studied and developed by Guilin Hongcheng through learning and introducing foreign advanced technology for more than 20 years
Guilin Hongcheng HLM vertical mill has the advantages of high grinding efficiency, low power consumption, large feed particle size, easy adjustment of product fineness, simple equipment process flow, small floor area, low noise, small dust, simple use and maintenance, low operation cost, low consumption of wear-resistant materials and so on
It can be widely used in electric power, metallurgy, cement, chemical industry, non-metallic ore and other industries
It is mainly used for grinding raw cement, clinker, desulfurization limestone powder of power plant, slag micro powder, manganese ore, gypsum, coal, barite, calcite, bauxite and other materials

 
Product advantages
Low comprehensive investment cost
It integrates crushing, drying, grinding, grading and transportation, with simple process flow, less system equipment, compact structural layout and small floor area, accounting for 50% of the ball mill
It can be arranged in the open air with low construction cost, which directly reduces the investment cost of the enterprise

High grinding efficiency
High grinding efficiency and low energy consumption
Compared with ball mill, the energy consumption is 40% - 50% lower; The production capacity of single machine is large, and low valley power can be used;
Convenient maintenance and low operation cost
The grinding roll can be turned out of the machine with hydraulic device
The replacement of roll sleeve liner and the maintenance space of the mill are large, and the maintenance operation is very convenient; The grinding roller sleeve can be used upside down, extending the service life of wear-resistant materials; There is no need to distribute cloth on the grinding plate before starting up, and the mill can be started without load to avoid the trouble of starting up; The wear is low, and the grinding roller and grinding disc lining plate are made of special materials with long service life;
Stable product quality
The material stays in the mill for a short time, which is easy to detect the particle size distribution and chemical composition of the product, reduce repeated grinding and stabilize the product quality; The product has uniform particle shape, narrow particle size distribution, good fluidity and strong product adaptability; The iron content in the product is very small, and the mechanical wear iron contained in the product is easy to be removed
When it is used to grind white or transparent materials, the whiteness and purity of the product are high

High reliability
The grinding roller limit device is adopted to avoid the violent vibration caused by material interruption during the working time of the mill
The new grinding roller sealing device is adopted, which has reliable sealing and no sealing fan, further reduces the oxygen content in the mill and has excellent explosion suppression performance

environment protection
The whole system of HLM vertical mill has small vibration and low noise; The whole system is sealed and operates under full negative pressure, without dust overflow, and can basically realize a dust-free workshop; Vertical grinding technology and equipment is a new energy-saving and consumption reducing technology vigorously advocated by China, which is conducive to improving the competitive strength of enterprises in this region and even in the field of powder industry in China;
High degree of automation
PLC automatic control system is adopted, and remote control can be realized, with simple operation, convenient maintenance and reduced labor cost

Strong drying capacity
Because the vertical mill can directly pass hot air, and the hot air is in direct contact with materials in the mill, it has strong drying capacity and high feed moisture, which can reach 15%
The vertical mill pulverizing system does not need to be equipped with another dryer, which saves equipment investment cost and energy consumption cost
By adjusting the temperature of hot air, materials with different humidity can be dried and grinded

Equipment structure and principle
The motor drives the reducer to drive the grinding disc to rotate
The materials to be ground are sent to the center of the rotating grinding disc by the air lock feeding equipment
Under the action of centrifugal force, the materials move around the grinding disc and enter the grinding roller table
Under the pressure of the grinding roller, the material is crushed by extrusion, grinding and shearing
At the same time, the hot air is ejected from the air ring around the grinding disc at high speed and evenly upward, and the milled materials are blown up by the high-speed air flow at the air ring
On the one hand, the materials with coarse particle size are blown back to the grinding disc for re grinding, on the other hand, the suspended materials are dried, and the fine powder is brought into the classifier by the hot air for classification
The qualified fine powder flows out of the mill with the air and is collected by the dust collection equipment, The unqualified coarse powder falls to the grinding plate again under the action of the blades of the grading machine, and is grinded again together with the newly fed materials
In this way, the whole process of grinding operation is completed

Guilin Hongcheng, as a professional milling equipment manufacturer, our equipment has been widely used in the market
If you want to know more equipment information, you are welcome to contact us at 13687861989 Contact landline: 0773-5591215
 
Warm tip: as our products belong to the machinery industry, the equipment needs to be matched with the process, and there are many product models
The network quotation is a virtual quotation
The actual price depends on the equipment configuration and the model required by the customer
The actual price and freight of the equipment shall be subject to the actual quotation of the sales engineer
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