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Blasting Accessories - DynoTracker™

Supplier: Dyno Nobel Asia Pacific

DynoTracker is a device that attaches to the end of a standard charging hose and is used for loading ANFO as a perimeter charge in tunnelling applications, thus eliminating the need in this application for packaged explosives.

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Description

The DynoTrackeris a device that attaches to the end of a standard charging hose used for loading ANFO.

This device allows the use of ANFO as a perimeter charge in tunnelling applications. Hereby eliminating more expensive cartridgedexplosives.

Application

ANFO is blow-loaded through the DynoTrackersimilar to the normal blow-loading technique.

It loads a partially loaded (decoupled) charge of ANFO into "low inclination" drillholessuch as those employed in jumbo development mining.

The decoupled charge produces a low order explosion when the primer detonates. This is ideal for the control of perimeter blasting,resulting in smoother tunnel walls with less overbreak.

Properties

  • Construction Aluminium
  • Length (mm) 375
  • Diameter (max) (mm) 30
  • Weight (g) 370

Benefits

The use of DynoTrackerallows a low cost alternative to conventional tunnel perimeter charges in dry ground.

  • Inventory can be rationalised as the need for tube type chargeis eliminated.
  • Reduced hanging material remains on the perimeter after blasting, reducing overbreak, scaling time and support requirements.
  • Inventory is reduced in the magazine and time is saved in loading explosives onto the charge up vehicle.
  • No additional equipment is required on the charge up vehicle, e.g. extra pneumatic loader for PS products.

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