Fan Mill
January 7, 2019
MZ Autogenous mill
January 7, 2019

Steel Ball Coal Mill

Category:
Description

Applications & Features of Product:
Steel Ball Coal Mill mainly used for grinding all kinds of hardness coal in thermal power plant with higher adaptability reliable operation and convenient maintenance.

 

Technical features
·Special casting technology is used for end covers. This design structure without any stress concentration insures no rupture occurred at end cover.
·Girth gear adopts radial sealing to insure no dust entering into the gear housing.
·Separate structure is used in pinion, optimum material is applied for gear and gear-shaft.
·Main bearing is adopted with a series of advanced technologies, such as double-segments surface center aligning structure, piston-ring typed sealing, inside-setting snake pipe cooling, high-low pressure united lubrication and temperature taking under the bush, these can insure no bush burning occured.
·The bolts for liner are made from high strength material 35CrMo without any broken.
·It is now the most advanced to adopt model manufacture process which can fully insure main parts with a fine interchangeability.
·Wearing liners are used in inlet and outlet hoppers, their service life is enhanced.
·Ensure the mill is operated in optimum state all the time to adopt Electric Ear Control Unit to control coal level, and
·Automatic Ball Charging Device can supply wearing steel balls in accordance with steel ball consumption during operation.

Performance Parameters

Performance Parameters Table of Steel Ball Coal Mill

Type

Drawing
number

Shell diamete
(mm)

Shell length
(mm)

Speed
(r/min)

Max.ball charging(t)

Feed and discharge
opening size(mm)

Outlet
(t/h)

Weight(t)

Charging ratio

MTZ 2126

K9311

2100

2600

22.81

10

0.236

Φ600  600

4

MTZ 2133

K9312

3300

13

0.242

Φ650  650

6

MTZ 2532

K9321

2500

3200

20.63

18

0.244

Φ750  750

8

MTZ 2539

K9322

3900

20.77

22

Φ800  800

10

MTZ-W2935

K9331

2900

3500

19.34

26

0.239

Φ850 850

12

MTZ 2935

K9335

MTZ-2941

K9333

4100

30

0.236

14

MTZ-W2947

K9332

4700

35

0.24

Φ950 950

16

MTZ 2947

K9334

MTZ-W3247

K9341

3200

4700

18.42

44

0.248

Φ1050 1050

20

MTZ 3247

K9345

18.52

40

0.225

Φ1120 1310        1120 1310

MTZ-W3258

K9342

5800

18.42

55

0.213

Φ1120  1120

25

MTZ 3258

K9344

18.46

Φ1120 Φ1310
1120 1310

MTZ 3257

K9346

5700

18.54

50

0.194

MTZ 3560

K9359

3500

6000

17.57

59

0.217

Φ1300 Φ1450
1300  1450

30

MTZ 3570

K93510

7000

69

0.218

Φ1350Φ1550    1350 1550

35

MTZ-W3883

K9362

3800

8300

17

95

0.219

Φ1700   1700

50

MTZ 3865

K9363

6500

75

0.20

Φ1574  Φ1700
1574  1700

40

MTZ 3872

K9364

7200

85

0.205

45

MTZ 3886

K9365

7900

95

0.21

Φ1820 1700

50

MTZ 3879

K9366

8690

105

0.213

55

MTZ 4386

K9372

4250

8540

16

130

0.219

75

Note: The nominal output is given on the basis of grindability index K vt1,=1. 0, moisture of raw coal M t=7%, feed size 0~25mm,product fineness R90=8%

Performance Parameters table of Steel Ball Coal Mill

Type

Main motor

Dimension

Total weight
(t)

Type

Power(kw)

Speed(r/min)

Voltage(v)

L(m)

W(m)

H(m)

MTZ 2126

JS1288 JS1368

155 145

735 709

380 3000

8.28

4.71 4.76

4.2

37

MTZ 2133

JS1368 JS1378

180  170

735

380 3000

9.06

4.77

39

MTZ 2532

JS1478 JS14108

260280

735 740

3000 6000

9.8 9.6

5.4

4.6

52

MTZ 2539

JS1488 JS1578

310320

10.3 10.4

5.5

55

MTZ-W 2935

JS14108
JS1588

370 380

735 740

3000 6000

8.6

6.8

5.1

73

MTZ 2935

10.9 10.7

6.2  6.3

5.3

75

MTZ-W 2941

JS15108

475

740

6000

11.5

6.3

4.8

75

MTZ-W 2947

JS1588
JS1512

500 570

735 740

3000 6000

12.03 12.24

6.3

5.3

80

MTZ 2947

10.04

7

5.2

82

MTZ-W3247

JS1586 JS15106

680 650

985

3000 6000

13.8

6.8

5.2

102

MTZ 3247

Y4506

630

1000

12.6

6.3

5.4

102

MTZ-W 3258

HS15106
JS15126

850 780

985 990

13.9

6.8

5.7

111

MTZ 3258

14.1

7.9

5.4

120

MTZ 3257

Y5006

800

1000

13.3

6.5

5.4

110

MTZ 3560

Y63016

1000

985

3000 6000

15.7

7.4

5.6

142

MTZ 3570

Y63026

1120

16.7

150

MTZ-W 3883

Y100010/1430

1000*2

595

6000

19.8

9.77

5.5

220

MTZ 3865

Y8001

1250

17.9

8.8

5.9

193

MTZ 3872

T800210

1400

18.6

200

MTZ 3879

Y800310

1600

19.7

207

MTZ 3883

YTM-800310

1700

20.4

210

MTZ 3886

Y800-4-10

1800

20.4

214

MTZ 4386

YTM800-6

2300

986

6000

17.6

9.49

6.91

240

Note: Total weight of mill does not include weight of main motor, steel balls and auxiliary equipment.

 

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