Vertical mill, belonging to energy-saving and noise reducing
grinding equipment, is also professionally manufactured in response
to energy-saving and emission reduction production requirements.
Vertical mill has the characteristics of drying, grinding, grading,
and conveying, and is currently widely used in many fields such as
coal mines, cement, slag, desulfurization in power plants,
non-metallic mines, and so on.
【Grinding field】: For various non-metallic mineral materials with Mohs scale
hardness below 7 and humidity within 6%, the grinder is widely used
in the production fields of power, metallurgy, cement, chemical
industry, rubber, paint, ink, food, medicine, etc.
【Performance characteristics】: It integrates drying, grinding, grading, and conveying, with high
grinding efficiency, low power consumption, large feed particle
size, easy adjustment of product fineness, simple equipment process
flow, small floor area, low noise, low dust, easy use and
maintenance, low operating costs, and low consumption of
wear-resistant materials.
Working principle: The electric motor drives the grinding disc to rotate through a
reducer, and the material falls into the center of the grinding
disc from the feeding port. At the same time, hot air enters the
grinding chamber from the air inlet. Under the action of
centrifugal force, materials move towards the edge of the grinding
plate. When passing through the circular groove on the grinding
plate, they are crushed by the grinding roller. The crushed
materials are picked up by the Jet stream at the wind ring at the
edge of the grinding plate. Large particles fall directly onto the
grinding plate for grinding again. When the materials in the
airflow pass through the dynamic and static separator, under the
action of the rotating rotor, the coarse powder falls onto the
grinding plate for grinding again. The qualified fine powder is
grinded together with the airflow, Collect in the powder collection
device, which is the product. Materials containing moisture are
dried during contact with hot gases to achieve the required product
moisture.
Technical DATA
| Specification | HVM1250 | HVM1300 | HVM1500 | HVM1700 | HVM1900 | HVM2200 | HVM2400 | HVM2800 |
| Grinding table median diameter(mm) | 1250 | 1300 | 1500 | 1700 | 1900 | 2200 | 2400 | 2800 |
| Capacity(t/h) | 10-15 | 10-15 | 14-22 | 20-28 | 26-35 | 35-45 | 45-56 | 70-90 |
| Coal Moisture(%) | ＜15 |
| Coal Power Fineness(%) | R0.08=2-12 |
| Coal Power Moisture(%) | ≤1 |
| Main Motor Power(kw) | 110/132 | 160/185 | 220/250 | 315/355 | 400/450 | 450/500 | 560/630 | 900/1120 |
Product advantages:
1. Large production capacity, low energy consumption, green and
environmentally friendly.
2. The roller sleeve can be used upside down, which is beneficial
for increasing the output of coal mills, reducing wear, and
extending its service life.
3. Install explosion-proof devices to ensure safe production. The
upper shell is equipped with an explosion-proof valve to prevent
the explosion of coal powder in the mill and ensure the safe use of
the equipment.
Structural features:
1. The foot shaped grinding disc and tire shaped roller sleeve used
in the coal vertical mill are more suitable for coal powder
grinding.
2. Grinding roller bearings do not require special sealing. The
grinding roller device adopts a pair of self-aligning roller
bearings, and the bearing sealing chamber extends to the outside of
the machine casing, avoiding contact with dusty gases. Therefore, a
simple sealing can ensure that the grinding roller bearings do not
enter dust and do not require sealing the fan.
3. The transmission part of the mill does not require an auxiliary
transmission device.
4. The slag removal part is simple. The coal vertical mill has less
slag discharge, and the slag discharge port is equipped with a
cover plate, so there is no need to install a slag discharge valve.
