Munk Schmitz - Strahlanlagen & Strahltechnik

Closed-Circuit Blasting Machine Problast 140 DVK

Machine type
Stationary pressure-fed air blasting machine with
blast two blast guns (closed-circuit blasting machine)

Application
Rust removal, descaling, paint stripping, weld and
mould cleaning, roughening and etching of rollers

Assemblies

  • 2 Blast guns for simultaneous blasting and recovery of blast media and dust
  • Pressure vessel / Storage hopper for reclaimed blast media
  • Reclaimer (air cyclone) for separation of re-usable blast media from the recovery air flow
  • Dust collector with dust bin for dust cleaning of recovery air flow
  • Vacuum generator for generation of recovery air flow
  • Maintenance unit for control of blasting pressure

Blasting method: pressure-fed
Vacuum generation: rotary blower
Blast cycle duration (max.): continuous

Air consumption (at 6.3 bar): 8.4 m³/min
Energy consumption: 22.0 kW
Coating: RAL 5015

Dimensions (L/W/H): 2100/1350/3500 mm
Dimensions rotary blower: 2250/1250/1620 mm
Empty weight: 1750 kg

Blast gun: 2 x Ø 103 mm
Blast nozzle (boron carbide): 2 x Ø 9.5 mm
Effective blast track width: 2 x (30 – 34 mm)

Blast media grit size recommended:

  • metallic 0.2 – 1.6 mm
  • non-metallic 0.1 – 1.6 mm

Blast media throughput at 6 bar:

  • metallic 17 kg/min/gun
  • non-metallic 8.5 kg/min/gun

Blast media storage capacity with 60 l vessel:

  • metallic 200 kg
  • non-metallic 100 kg

Filter area: 42 m²
Dust separation efficiency: > 99.9 %
Hose length: 12 m