OSTROJ a.s.

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OSTROJ a.s.
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Chain Conveyor System

Armoured Face Conveyors

The AFCs are designed for transporting broken coal by shearer loaders with the AFC advance controlled by powered support control systems. Modular construction of the conveyor allows to be assembled from component parts easily and quickly. While the AFC is operated in the inclined seams, it is necessary to use proper type of the anchorage, in dependence on the seam inclination.

 DH830

 

  • capacity up to 4000 t/h
  • drive power up to 3 x 1000 kW
  • planetary gearboxes
  • flexible or fluid couplings
  • drive design - side or overhead discharge or cross frame
  • tensionable tail drive unit
  • haulage system compatible with all shearers
  • chain size up to 48mm
  • rolled or cast sigma profile
  • inside raceway up to 1300mm
  • deckplate material Hardox 450
  • deckplate thickness up to 50mm
  • pan connector – dogbone 4000 kN
  • forged flight bars

 

Stage Loaders

The stage loaders intended for the straight-line transport of coal product from seams (used in entry conveying systems)

  • capacity up to 6000 t/h
  • drive power up to 630 kW
  • also used as an inter-conveyor in belt systems
  • modularly designed
  • various pan designs applied
  • inside raceway of 700mm up to 1300mm
  • telescopic discharge drive unit with chain tensioning
  • integrated V-belt driven crushers or direct driven with the planetary gearbox
  • various types of belt tailpiece

 DHS

 

Conveyors for Development works

The conveyors intended for the transport of broken coal while development working in coal or in coal and rock ripping from the side discharging loaders at roadhead up to transfer onto belt conveyor system

  • the width pan line of 500mm and 600mm
  • mounted on the independent monorail track section with feeding device placed on the floor

TH400