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Wet energy-saving grate ball mill

Mill is essential and widely used equipment for raw material crushing. Its main component is a cylinder with bigger diameter and smaller length which is revolved by transmitting machinery. Materials are put in cylinder through the feed opening and then thoroughly grinded.

Production capacity : 0-160t/h

Scope of Application : Used to grind size relatively coarse ore,first grinding

Effective volume : 1.1-55.7m³

Structure

Mill is essential and widely used equipment for raw material crushing. Its main component is a cylinder with bigger diameter and smaller length which is revolved by transmitting machinery. Materials are put in cylinder through the feed opening and then thoroughly grinded. The falling course of iron balls and ores can produce huge falling impact and autogenous grinding. The continuous feeding of ores can create considerable pressure to make ores move from feed opening toward discharge opening. Finally, acceptable particles are discharged from the discharge opening. Acceptable ore particles are carried away by water in wet mill, or by air in dry mill.

working principle

Its main component is a cylinder with bigger diameter and smaller length which can revolve via the transmitting machinery. Materials are put in cylinder through the feed opening and then thoroughly grinded, because the falling course of iron balls and ores can produce huge falling impact and autogenous grinding. The continuous feeding of ores can create considerable pressure to make ores move from feed opening toward discharge opening. Finally, acceptable particles are discharged from the discharge opening. Acceptable ore particles are carried away by water by wet mill, or by air by dry mill. The discharge opening is equipped with a discharge grate, and the ore pulp horizon of discharge opening is low. These two factors prevent ores from being overly grinded, and iron balls from being dismissed. Under same circumstance, the processing capacity of energy-saving grate ball mill is bigger. Rolling bearings contribute enormous energy saving.

Advantages

1. The transmission machinery of Energy-saving grate ball mill substitutes large-scale double row self-aligning roller bearing for sliding bearing. It is easy to start and saves energy up to 20-30%.

2. Energy-saving grate ball mill adopts groove-type circular lining plate that is instrumental in increasing contact areas of iron balls and ores, which enhances grinding action and ore lifting capacity and decreases energy consumption.

3. Energy-saving grate ball mill adopts whole milling house, which makes it easy for construction and installation.

4. Energy-saving grate ball mill has bigger discharge opening and huge processing capacity.

5. Energy-saving grate ball mill is equipped with oil-mist lubrication device which guarantees smooth operation of gears.

Parameters

Wet energy-saving grate ball mill

Model

barrel

Motor

Boundary dimension

Effective volume(m3)

Max loading ball(t)

Weight(kg)

diameter

length

speed

Model

Power

length

width

height

(mm)

(mm)

(r/min)

(kW)

(mm)

(mm)

(mm)

MQGg 1212

1200

1200

31.3

Y225M-8

22

4500

2104

1733

1.1

2.4

8200

MQGg 1224

1200

2400

31.3

Y280M-8

45

5764

2104

1733

2.4

4.6

13200

MQGg 1240

1200

4000

31.3

JR117-8

80

7990

2210

1733

3.8

7.8

15932

MQGg 1515

1500

1500

30.9

YR280S-8

55

5740

2710

2170

2.2

5

15100

MQGg 1530

1500

3000

30.9

JR117-8

80

6800

2743

2170

5

8.6

19166

MQGg 1535

1500

3500

30.9

JR125-8

95

7665

3040

2170

5.9

10

19500

MQGg 1545

1500

4500

30.9

JR127-8

130

9085

3091

2170

6.6

11.3

22150

MQGg 1830

1800

3000

25.2

JR127-8

130

8405

3560

2620

6.3

11.8

30228

MQGg 1836

1800

3600

25.2

JR136-8

180

8866

3683

2785

8.2

13.8

35467

MQGg 1840

1800

4000

25.2

JR136-8

180

9277

3650

2620

8.4

15.7

37200

MQGg 2122

2100

2200

24.05

JR128-8

155

7750

4450

3533

6.6

16

42500

MQGg 2130

2100

3000

24.05

JR137-8

210

8330

4450

3533

9

20

43100

MQGg 2136

2100

3600

24.05

JR137-8

210

8933

4320

3433

10.8

21

45833

MQGg 2140

2100

4000

24.05

JR138-8

245

9654

4320

3083

12.8

22

47262.4

MQGg 2145

2100

4500

24.05

JR138-8

245

9933

4253

3125

13.5

23.6

50348


                                       

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