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Address: No. 56, Dalian Road, Baohe District, Hefei City, Anhui Province,China
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Vertical Coal Mill 20 T/H 200 Mesh 100% Passing Rate Coal Mill Used
In Power Plants ,Steel Plants
Product Introduction:
HVM series vertical coal mill
The HVM series vertical coal mill is a new type of grinding
equipment that has undergone multiple improvements and
optimizations, reaching international standards and providing users
with reliable coal powder preparation solutions.
Integrated process for coal powder preparation
The uniqueness of the HVM series vertical coal mill lies in its
dual operation of drying and powder making. This means that while
grinding coal, the coal powder can also be dried. The innovation of
this process not only improves production efficiency, but also
reduces energy consumption, bringing significant energy-saving and
environmental benefits to users.
Technical Specifications
The HVM series vertical coal mill is suitable for users with high
requirements for coal powder production, and its preparation range
for coal powder processing is 5-100T/H. This means that it can meet
the needs of power plants of different scales and industrial
production, providing users with greater flexibility and choice
space.
System security and stability
The system design of HVM series vertical coal mills emphasizes
safety and stability. Its operation is safe and reliable, with low
noise, providing better comfort for the working environment, while
reducing the cost of equipment maintenance and repair. The
stability of the system ensures long-term efficient operation.
Parameter Table of Coal Vertical Mill
| 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 |
Technical advantages and characteristics
(1) High grinding efficiency
Grinding efficiency is high, energy consumption is low, and
compared to ball milling, energy consumption is 40-50% lower. It
has a large single machine production capacity and can utilize low
valley electricity.
(2) High degree of automation
Adopting a PLC fully automatic control system and capable of remote
control, it is easy to operate, easy to maintain, and reduces labor
costs.
(3) Stable product quality
The material stays in the grinding machine for a short time,
reducing repeated grinding. The product has a uniform particle
shape, narrow particle size distribution, good fluidity, strong
adaptability, and a very low iron content, high whiteness and
purity.
(4) Low operation and maintenance costs
The grinding roller can be flipped out of the machine using a
hydraulic device, making maintenance operations convenient. The
grinding roller sleeve can be flipped over for use, extending the
service life of wear-resistant materials with low wear. The lining
plates of the grinding roller and grinding disc are made of special
materials, which have a long service life.
(5) Low noise environmental protection
The entire system has low vibration and low noise. It adopts an
overall sealed negative pressure operation system, an air box pulse
dust removal system, and no dust overflow, basically achieving a
dust-free workshop.
(6) Strong drying ability
Directly blowing hot air, the hot air comes into direct contact
with the material inside the mill, with strong drying ability. The
maximum moisture content of the feed can reach 15%, without the
need for an additional dryer, saving equipment investment and
energy consumption costs.
(7) High reliability
Adopting a grinding roller limiting device to avoid severe
vibration caused by material breakage in the mill, a new type of
grinding roller sealing device is adopted, which is reliable and
does not require a sealing fan, further reducing the oxygen content
in the mill and achieving excellent explosion suppression
performance.
(8) Low comprehensive investment cost
Integrating crushing, drying, grinding, grading, and conveying, the
process flow is simple, the structural layout is compact, and the
land area is small, only 50% of that of ball milling. It can be
arranged outdoors, with low construction costs, directly reducing
investment costs.
Engineering Cases
Engineering Design and Equipment Manufacturing Supply of HVM2800M
Vertical Pulverized Coal Preparation System
Processing material type: bituminous coal
Capacity: ≥ 80t/h
Product fineness: 200 mesh, 85% pass
