Wet Grid Ball Mill

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Wet Grid Ball Mill

Capacity: 0.5-500TPH      Feed Size: ≤25 mm

Grid ball mill is widely used in smashing all kinds of ores and other materials, ore dressing and national economic departments like building and chemical industries etc. The size of ore shall not exceed 65mm and the best feed size is under 6mm. The effect in this job is better than coarse grinding. Grid ball mill consists of the shell, feeding part, discharging part, main bearing, lubricating system, driving system and other parts. There is wearing a liner inside the shell, and both ends of the shell are provided with a flange. The end cover of the mill is connected with the flange plate. The feeding part consists of the head, trunnion and feeding device. The discharge part includes the grid plate, head, and discharge trunnion.


Wet Grid ball mill is mainly used for mixing and grinding materials in two types: dry grinding and wet grinding .It has advantages of fineness uniformity and power saving. The machine uses different types of liner to meet different customer needs. The grinding fineness of material can be controlled by grinding time. The electro-hydraulic machine is auto-coupled and decompressed to reduce the starting current, and its structure is divided into integral type and independent type.

Compared with similar products,Wet Grid ball mill has the characteristics of low investment, low energy consumption, novel structure, simple operation, stable and reliable performance. It is suitable for mixing and grinding ordinary and special materials. The users can choose the right type, liner and medium type by considering the specific gravity, hardness, yield and other factors. The grinding medium is Wet Grid ball.

1.The ball mill is composed of a horizontal cylinder, a hollow shaft for feeding and discharging, and a grinding head. The main body is a long cylinder made of steel. The cylinder is provided with an abrasive body, and the steel lining plate is fixed to the cylinder body. The grinding body is generally a steel ball and is loaded into the cylinder according to different diameters and a certain proportion, and the grinding body can also be used with a steel section.

2.According to the particle size of the grinding material, the material is loaded into the cylinder by the hollow shaft of the wet grid ball mill feeding end. When the ball mill cylinder rotates, the grinding body acts on the cylinder liner due to the action of inertia and centrifugal force and friction. It is carried away by the cylinder. When it is brought to a certain height, it is thrown off due to its own gravity. The falling abrasive body crushes the material in the cylinder like a projectile.

3.The material is uniformly fed into the first chamber of the mill by the feeding device through the hollow shaft of the feeding material. The chamber has a step liner or a corrugated liner, and various steel balls are loaded therein. The rotation of the cylinder generates centrifugal force to bring the steel ball to a certain extent. The height drops and then hits and grinds the material. After the material reaches the rough grinding in the first bin, it enters the second bin through the single-layer partition plate. The bin is embedded with a flat liner with steel balls inside to further grind the material. The powder is discharged through the discharge raft to complete the grinding operation.

(1)Steel ball

The main function of the steel ball in the ball mill is to impact crush the material and also play a certain grinding effect. Therefore, the purpose of grading steel balls is to meet the requirements of these two aspects. The quality of the crushing effect directly affects the grinding efficiency, and ultimately affects the output of the ball mill. Whether the crushing requirement can be achieved depends on whether the grading of the steel ball is reasonable, mainly including the size of the steel ball, the number of ball diameters, and the ball of various specifications. Proportion and so on.

(2)Mechanical structure

The ball mill is composed of the main part such as a feeding part, a discharging part, a turning part, a transmission part (a reduction gear, a small transmission gear, a motor, and electric control). The hollow shaft is made of cast steel, the inner lining can be replaced, the rotary large gear is processed by casting hobbing, and the barrel is embedded with wear-resistant lining, which has good wear resistance. The machine runs smoothly and works reliably.

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)

MQG0909 Φ900*900 Y225S-6 15 41.6 3600 1800 1400 0.45 0.96 4620 0.22~1.07
MQG0918 Φ900*1800 Y225M-6 18.5 41.6 4700 1880 1400 0.9 1.92 5340 0.4-3.4
MQG1212 Φ1200*1200 Y250M-8 30 35.1 4400 2200 1650 1.14 2.4 11438 0.17~4.1
MQG1224 Φ1200*2400 Y315S-8 55 35.1 5600 2250 1650 2.28 3.96 13200 0.35~8.2
MQG1515 Φ1500*1500 JR115-8 60 30.7 6050 2900 2030 2.2 5 13700 1.4~4.5
MQG1530 Φ1500*3000 JR125-8 95 30.7 7550 2920 2030 4.5 8.4 18690 2.8~9
MQG1830 Φ1800*3000 JR127-8 130 25.04 9525 3960 2250 7.5 13 29490 3~17
MQG1834 Φ1800*3400 JR128-8 155 25.04 9925 3960 2250 8.5 14 30390 3.3~20
MQG1836 Φ1800*3600 JR128-8 155 25.04 10125 3960 2250 9 15 31600 4~21.5
MQG1840 Φ1800*4000 JR128-8 155 25.04 10525 3960 2250 10 17 32700 4.5~24
MQG1842 Φ1800*4200 JR136-8 180 25.04 10725 3960 2250 10.5 18 33490 5~25
MQG1844 Φ1800*4400 JR136-8 180 25.04 10925 3960 2250 11 19 34210 5.2~26
MQG1852 Φ1800*5200 JR136-8 180 25.04 11725 3960 2250 12 21 37715 6.5~32.5
MQG1864 Φ1800*6400 JR137-8 210 25.04 12925 3960 2250 14.5 27 42440 8~40
MQG2122 Φ2100*2200 JR128-8 155 23.8 7750 4050 2950 6.6 15 45400 5~29
MQG2130 Φ2100*3000 JR137-8 210 23.8 8970 4100 2950 9 20 50600 6.5~3.6
MQG2430 Φ2400*3000 JR1410-8 280 23.8 8820 4250 3670 12.1 22.5 67000 9~50
MQG2721 Φ2700*2100 JR1410-8 280 21.7 9300 5500 4500 10.7 24 63000 6.5~84
MQG2727 Φ2700*2700 JR148-6 320 21.7 9900 5500 4500 13.8 29 68530 8~100
MQG2736 Φ2700*3600 TDMK400-

32/2150

400 21.7 9785 5767 4995 18.4 41 77000 12~145
MQG3230 Φ3200*3000 TDMK500-36 500 18.7 13700 6760 5100 20.7 46 113500 63~73
MQG3231 Φ3200*3100 TDMK630-36 630 18.7 12750 6750 5150 21.4 45 114435 65~76
MQG3236 Φ3200*3600 TDMK630-36 630 18.7 14300 6760 5200 24.8 58 119012 74~86
MQG3245 Φ3200*4500 TDMK800-36 800 18.7 12700 7200 5700 31 65 127650 95~110
MQG3639 Φ3600*3900 TM1000-

36/3600

1000 17.3 15000 7200 6300 36.2 75 145000 34~187
MQG3645 Φ3600*4500 TDMK1250-40 1250 17.3 15200 7750 6300 41.8 90 159700 38~210
MQG3650 Φ3600*5000 JM1400-40 1400 17.3 17600 7750 6300 46.4 96 158000 192
MQG3660 Φ3600*6000 TDMK1600-40 1600 17.3 17000 8800 6500 55.7 120 189000 230

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