Guilin Mining Machinery Co., LTD.

GK1720A Pendulum Grinding Mill

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GK1720A Grinding Mill is designed by our technicians based on GK1720 mill.This is a large type mill with optimized design.

Technical & Structural Benefits of GK1720A Pendulum Grinding Mill:

  • Optimized shock-absorption design for the main unit, reduce vibration when the mill running.
  • Optimized design for the main unit structure, improve overall strength and rigidity.
  • The innovative design of the "maintenance-free device" for grinding roller assembly, Refill grease every 30 days.
  • Optimize inside design of the main unit, keep the roller and grinding ring abutting contact during running, improve grinding efficiency and operational reliability, and reduce the high failure rate of vertical pendulum grinding mill.
  • Equipped with water cooling structure for reducer of the main unit. Reducer adopts German technology.
  • Automatic control for air blower valve, reduce operating labor intensity。
  • Integral installation of air blower; water cooling system ensures running efficiency.
  • Running more smoothly, High capacity, low noise, energy saving.
  • Intelligent control. The one button start and stop system and fault alarm system reduce operating personnel.

Model

Max Feeding Size

Product Fineness

(mash)

Capacity

Gross Weight

Total Installed Power

GK2500

≤35mm

80-325mesh

15000-50000kg/h

66t

625kw

GK2150

≤35mm

80-325mesh

10000-40000kg/h

64t

548kw

GK1720A

≤35mm

80-325mesh

6000-25000kg/h

49t

424.5kw

GK1620A

≤30mm

80-325mesh

3000-18000kg/h

34.5t

329.5kw

GK1500

≤20mm

80-325mesh

2500-16000kg/h

31t

242kw

5R4128

≤20mm

80-325mesh

2000-14000kg/h

28.5t

220kw

5R4125

≤20mm

80-325mesh

2000-14000kg/h

28.5

202kw

GK1280

≤20mm

80-325mesh

1500-10000kg/h

19t

133.5kw

4R3220

≤20mm

80-325mesh

1000-7000kg/h

14.6t

101.5kw


Preparation before operation of GK1720A Pendulum Grinding Mill:

  • Check that the supply voltage meets corresponding requirements. Don't start the machine when the voltage is lower than 360 v. Check the electric circuit in the light of drawing.
  • Check all joint bolts for tightness, especially the bolts in host chamber.
  • Check drive belt for looseness and tightness. The mainframe can rotate freely by moving it with hands. Check grinding rollers for flexible movement. The buffer spring above the roller assembly in the main unit should be screwed up to 185mm(see drawing 2); the length of four spring should be kept on the same size.
  • See that governor valve of inlet pipe air blower is in "off" position(it is automatically controlled by the pneumatic valve. Before start the blower, power on it to test it first. Normally the positioning pin is fixed to the positioning hole. After electromagnetic switch valve is energized, under the effect of air pressure, the cylinder activities section stretches out and drive the connecting rod, then the valve plate is open. When it is powered off, the valve is closed.)( see drawing 4)
  • Check the chain of the elevator for looseness and tightness.
  • Lubricate all parts according to the lubrication table. Lubricants are filled before use.The grease is clean. Check all the joints for oil leakage.
  • Regulate the discharge opening of jaw crusher in line with the nature of materials. The particle size is less than 35 mm.
  • Check motors for rotating direction.
    a. The main engine has a clockwise running (looking down from above).
    b. The turbine blade of the separator has a clockwise running(looking down from above).
    c. The air blower rotates clockwise(looking from belt wheel end).
  • Check pulse dust collector:
    Start induced draft fan. Check shell and discharge valve for air leakage.
    Keep the pressure of air compressor piping system on 0.5-0.7 MPa. Check

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