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High Efficiency Vertical Coal Mill HVM1250 For 10 - 15t/H With ≤15% Coal Moisture

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High Efficiency Vertical Coal Mill HVM1250 For 10 - 15t/H With ≤15% Coal Moisture

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Brand Name :Hengcheng
Model Number :HVM1250 HVM1300 HVM1500 HVM1700 HVM1900 HVM2200 HVM2400 HVM2800
Certification :ISO Patent Certificate High-Tech Product Certificate
Place of Origin :CHINA
MOQ :1 set
Price :Negotiable
Payment Terms :L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :3 sets/month
Delivery Time :90 days
Packaging Details :Standard shipping packaging
fineness :80μmR 3%
noise :≤85dB
power :37-110kw
Application :Cement, Thermal Power Plant, Metallurgy, Chemical Industry, etc.
Air Pressure :0.5-2.5MPa
Air Volume :1700-3000m3/h
Capacity :20-40t/h
Fineness :80-325mesh
Grinding Roller Diameter :400-700mm
Grinding Roller Height :150-250mm
application :power plant
color :gray
diameter :1.2-3.6m
efficiency :≥85%
material :coal
moisture :≤15%
pressure :0.4-2.5MPa
size :4.2×2.5×3.4m
speed :31.5-38.3r/min
type :Vertical Coal Mill
weight :10-17.5t
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High Efficiency Vertical Coal Mill HVM1250 for 10-15t/h with ≤15% Coal Moisture

【Grinding Field】: For various non-metallic mineral materials with Mohs hardness below 7 and humidity within 6%, this grinder is widely used in production fields such as power, metallurgy, cement, chemical industry, rubber, coatings, 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.

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

Advantage
1. Efficient and energy-saving:
(1) High grinding efficiency and low energy consumption, compared to ball mills, the energy consumption is 40% -50% lower;
(2) Large single machine production capacity, capable of utilizing low valley electricity;
(3) Vertical grinding technology and equipment are vigorously advocated new technologies for energy conservation and consumption reduction, which are conducive to enhancing the competitive strength of enterprises in the powder industry in this region and even across the country;
2. Easy maintenance and low operating costs:
(1) The grinding roller can be turned out of the machine using a hydraulic device, and the replacement of the roller sleeve lining plate and the maintenance space of the mill are large, making the maintenance operation very convenient;
(2) The grinding roller sleeve can be used upside down, extending the service life of wear-resistant materials;
(3) Before starting the machine, there is no need to apply fabric to the grinding disc, and the mill can be started without load, eliminating the difficulty of starting the machine;
(4) Low wear, special materials are used for the grinding roller and disc lining plate, resulting in a long service life;
(5) High degree of automation: The automatic control technology adopts the Siemens series PLC from Germany, equipped with an automatic control system, which can achieve remote control and easy operation. The workshop can basically achieve unmanned operation, saving operating costs;
3. Low comprehensive investment cost:
Integrating crushing, drying, grinding, and conveying, the process flow is simple, the system equipment is few, the structural layout is compact, and the floor area is only 50% of that of the ball mill. It can be arranged outdoors, with low construction costs, directly reducing the investment cost of the enterprise.
4. Stable product quality:
(1) The material stays in the grinder for a short time, making it easy to detect the particle size distribution and composition of the product, and ensuring stable product quality;
(2) The product has uniform particle morphology, narrow particle size distribution, good flowability, and strong product adaptability.
5. High reliability
(1) Adopting a grinding roller limit device to avoid severe vibration caused by material breakage during the working time of the mill;
(2) Adopting a new type of roller sealing device, the sealing is more reliable, and there is no need for a sealing fan, further reducing the oxygen content in the mill and achieving better explosion suppression performance.
6. Environmental protection:
(1) The entire system of HVM vertical grinding machine has low vibration and low noise;
(2) The system is sealed as a whole, operates under full negative pressure, and there is no dust leakage, basically achieving a dust-free workshop.


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

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