Wet Overflow Ball Mill

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Wet Overflow Ball Mill

1. Traditional sliding bearings are replaced by double row roller bearings in small and medium-size ball mills to reduce energy consuming.

2. Large ball mills adopt pitot pressure or hydrostatic bearings.

3. Air clutch system for starting the motor safely.

4. Alternative synchronous or asynchronous motor.

5. Low-speed driving unit with Lifting device convenient for maintenance.

6. New Endurable wearing parts to increase the service life of vulnerable parts.

Overflow type ball mill is equipped with the slow transmission system. When starting up, run the slow transmission system slowly first, then automatically switch to the main motor driving. When the liner is changed, only need to start and stop the slow transmission system, which not only saves the energy consumption but also reduces the impact on the ball mill and the network system.


1. Jack-up device, easy maintenance;

2. The hydrostatic and hydrodynamic bearings ensure the smooth operation;

3. Low-speed transmission is easy for starting and maintenance;

4. The oil-mist lubrication device guarantees reliable performance of bearings;

5. The gas clutch adopts the flexible start-up model;

6. According to the customer demand, manganese steel liner and wear-resistant rubber liner can be customized for Xinhai ball mill, with good wear resistance, long service life, easy maintenance.

Principle of overflow ball mill: the main component is a cylinder with diameter and length at a reasonable proportion. Driven by the transmission device, the cylinder rotates with the materials fed from the cylinder inlet and crushed by the falling impacts and autogenous grinding of the steel balls and ores in the cylinder. Due to the continuously feeding materials, the pressure pushes materials to the outlet and the ground materials are discharged from the cylinder outlet. Qualified materials flow from the cylinder outlet. In wet grinding, the materials are taken out by the water flow. There are back pitch impellers in the hollow shaft, which can make the balls and coarse ores in the overflow return to the mill. With simple structure, higher operation rate, and rolling bearing, energy conservation is significant.

Generally used in the grinding of ores with finer fineness.

Model

Standards

Motor model

Motor power

(kw)

Rotating speed of cylinder

(r/min)

L

(mm)

W(mm)

H

(mm)

Effective volume

(m³)

Max load

of balls

(t)

Weight

(kg)

Capacity

(t/h)

MQY0918

Φ900*1800

Y225M-8

22

41.6

5080

2300

2015

0.9

1.66

6078

0.37-1.8

MQY1212

Φ1200*1200

Y250M-8

30

34.8

5023

2794

2540

1.14

2.4

11473

0.2-4.1

MQY1224

Φ1200*2400

YR280S-8

55

34.8

6112

2794

2540

2.28

3.8

12308

0.35-8.2

MQY1515

Φ1500*1500

JR115-8

60

30.7

5766

2945

2600

2.2

6.4

15424

1.4-5

MQY1530

Φ1500*3000

JR125-8

95

30.7

7979

2945

2600

4.5

10

18690

2.5-8

MQY1830

Φ1800*3000

JR127-8

130

25.04

9525

3960

2250

7.5

13

29490

3~17

MQY1834

Φ1800*3400

JR128-8

155

25.04

9925

3960

2250

8.5

14

30390

3.3~20

MQY1836

Φ1800*3600

JR128-8

155

25.04

10125

3960

2250

9

15

31600

4~21.5

MQY1840

Φ1800*4000

JR128-8

155

25.04

10525

3960

2250

10

17

32700

4.5~24

MQY1842

Φ1800*4200

JR136-8

180

25.04

10725

3960

2250

10.5

18

33490

5~25

MQY1844

Φ1800*4400

JR136-8

180

25.04

10925

3960

2250

11

19

34210

5.2~26

MQY1852

Φ1800*5200

JR136-8

180

25.04

11725

3960

2250

12

21

37715

6.5~32.5

MQY1864

Φ1800*6400

JR137-8

210

25.04

12925

3960

2250

14.5

27

42440

8~40

MQY2122

Φ2100*2200

JR128-8

155

23.8

8070

4840

3795

6.6

14

47800

4.5-26

MQY2130

Φ2100*3000

JR137-8

210

23.8

8870

4840

3795

9

20

49780

4-30

MQY2136

Φ2100*3600

JR137-8

210

23.8

9300

4840

3795

10.8

22

52010

4.8-36

MQY2145

Φ2100*4500

JR148-8

310

21.7

11029

4737

3300

13.5

23.8

58305

8-35

MQY2430

Φ2400*3000

JR1410-8

280

21.7

9710

4778

4120

12.1

23

65880

6.2-77.6

MQY2721

Φ2700*2100

JR1410-8

280

21.7

9400

5600

4700

10.7

24

63900

7-78

MQY2736

Φ2700*3600

TDMK400-32

400

18.7

11400

5700

4500

18.4

38

70000

10.5-130

MQY2740

Φ2700*4000

TDMK400-32

400

18.7

11850

5667

4496

20.4

40

78800

12-145

MQY3231

Φ3200*3100

TDMK630-36

630

18.7

12750

6760

5150

21.4

45

107660

74-86

MQY3245

Φ3200*4500

TDMK630-36

630

18.7

14600

6760

5200

31

61

112000

86-100

MQY3254

Φ3200*5400

TM1000-

36/2600

1000

17.3

15800

6760

5200

37.2

73

121000

112-135

MQY3645

Φ3600*4500

TM1000-

36/2600

1000

17.3

15000

7200

6326

41.8

76

135000

170

MQY3650

Φ3600*5000

TM11250-

40/3250

1250

17.3

17157

7755

6326

46.4

86

145000

40-178

MQY3660

Φ3600*6000

TM11250-

40/3250

1250

17.3

19000

7755

6326

55.7

102

154000

186

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