Henan Zhengzhou Mining Machinery Co., Ltd.

China Manufacturer with main products: Ball Mill, Rotary Kiln, Conveyor, Dust Collector

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Coal Vertical Grinding Mills / Coal Mill / Coal Grinder Mill

Payment Terms: L/C, T/T
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China

Quick Details

  • After-sales Service Provided: Engineers available to service machinery overseas
  • Certification: ISO,CE
  • Brand Name: ZK
  • Type: Raymond Mill
  • Condition: New

Specifications

Coal Mill Is a mechanical device used to pulverize coal for combustion in the steam-generating furnaces of fossil fuel power plants. Coal pulverized machine is the ideal powder making equipment in electric power industry, metallurgy industry, chemical industry, building construction, coal industry, fireproofing materials making industry and some others. The final product's fineness of coal pulverized machine can reach 38micron (400mesh).

Coal vertical mills are designed to achieve the maximum rated capacity grinding a design coal with a grindability of 55 HGI and 8-12 percent moisture and achieving a discharge fineness of 70 per cent passing a 200 mesh screen (74 micron) and 99.5 per cent passing a 50 mesh screen. Variation of the coal hardness and/or moisture content will effect, up or down, the discharge capacity or the discharge fineness.

to achieve these design considerations it is essential that the grinding elements are in good condition and they maintain a consistent profile. The loss of the grinding profile results in a loss of grinding efficiency, meaning the pulveriser must work harder to achieve an equal result.

Ultimately a point will be reached in which either a loss of capacity or a loss of fineness will result under uniform conditions. Longer lasting, more consistent grinding elements are crucial to pulveriser operation yielding longer operating campaigns, reduced maintenance and a lower overall invested c

Coal vertical grinding mills coal mill coal grinder mill

Parameter

Unit

HRM800

HRM1100

HRM1250

HRM1300

PRM17

PRM23

PRM25

Capacity

T/H

5-7

10-12

16-18

20-25

26-35

40-45

50-58

the size  of grinding  material

mm

0-40

0-40

0-40

0-40

0-40

0-50

0-50

the moisture  of  grinding  material

%

<10

<10

<10

<10

<10

<10

<10

Fineness  R0.08

%

8-12

8-12

8-12

8-12

8-12

8-12

8-12

the  moisture  of product

%

<1

<1

<1

<1

<1

<1

<1

Power

KW

55

110

160

200

400

400

450

the wind  temperature  of input

350

350

350

350

350

350

350

the wind  temperature  of outlet

80-100

80-100

80-100

80-100

80-100

80-100

80-100

the air  volume of  outlet

m3/H

10000

20000

30000

40000

80000

80000

100000

the  weight  of  equipment

T

16

22

32

40

96

135

167

 

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