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RECONSTRUCTION OF CONVEYOR CARRIAGE PVZ 2500-45/27 NO. 81 - NOEN, a.s.

General description

The order included modernization of the belt carriage PVZ 2500 – 45/27. The machine is placed in the Bílina Mines (Doly Bílina) under operation number 81. The modernization scope included the following parts of the machine.

When certain conditions of the mining technology are met, the conveyor carriage PVZ 2500-45/27 can be used:

  1. as a stacker
  2. to extend or shorten the conveyor lines
  3. as a technological equipment for transverse conveyance of material
  4. to overcome smaller differences in height of cuttings

The conveyor carriage is usually used for distribution or routing of conveyance of coal or overburden in the belt conveyance system. The purpose of the conveyor carriage reconstruction was to increase reliability of the equipment and at the same time to decrease requirements for attendance and maintenance.

 

PIC02

 

Main parameters of machine

Nominal conveying capacity 2,500 m3.hod-1
Material to be conveyed – specific design weight of excavated material Max. 1,600 kg.m-3
Conveying distance 72 m
Speed of travel 360 m.hod-1
Medium specific pressure 0.085 MPa
Loading boom: – belt width 1,200 mm
– belt speed 4 m.s-1
– boom length 27 m
Unloading boom: – belt width 1,200 mm
– belt speed 5 m.s-1
– boom length 45 m
Range of slewing: – loading boom on ground ± 9°
– loading boom suspended ± 18°
Slewing speed of unloading boom end 13.7 m.min-1
Pitch of loading boom 16°
Pitch of unloading boom – upward +15°
– downward -8°
Height of discharge chute of unloading boom – maximum 17 m
Pitch during conveying – boom in direction of travel 1:6
Pitch during work in direction of travel: 1:20
Inclination during work in transverse direction to travel 1:20
Total machine weight 297 t
Installed power in total 650 kW

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