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Advanced Sweep Systems


SPEED-SWEEP

The DESMI Speed-Sweep System, fully tested at OHMSETT is a heavy duty rubber boom recovery system designed to allow for the collection of oil at greater speeds than has previously been possible.
Once the pollutant has been collected at the cusp, a skimmer can be located at the apex and recovery can begin. This can continue while the sweep system is moving forward. The unique, high efficiency DESMI Speed-Sweep System is designed to either connect to a Ro-Boom system or operate as an independent collection unit. It can be towed either between 2 vessels or 1 vessel with a jib arm or paravane.

The Speed-Sweep can collect oil up to speeds of 3 knots which results in easier and quicker operations all round.

The DESMI Speed-Sweep System is manufactured in the tough Ro-Boom 1500 offshore containment boom, with individual 3 metre buoyancy chambers, tapered down at either end to match RO-BOOM 1300, which is the ideal guide boom for the sweeping system. There are also 3 off 900mm nets, with foam filled circular floats, which are used to interrupt the speed of the oil, allowing it to be collected at the cusp.

The excess water simply escapes through the rear netting. This system allows the surface water and oil to be slowed by as much as 70%, which allows the oil to concentrate in the apex ready for collection. No head wave phenomena or planing will occur.

 

Technical Specifications:

  • Ro-Boom Material: Compound of synthetic rubber with a CSM (Hypalon) external layer
  • Speed-Sweep Front Net Material Kevlar
  • Width (Deflated): Apex 1500mm
  • Guide Booms 1300mm
  • Standard System Length: Sweep 30m
  • Guide Boom 2x16,5m
  • Freeboard: Apex 0.52m, Guide Booms 0.45m
  • Operational depth of skirt: Apex 0.72m, Guide Booms 0.63m
  • Operational weight (incl. Chain): Apex 12kg/m, Guide Booms 9kg/m
  • Buoyancy chamber length: 3m
  • Tensile strength of boom wall: 250N/mm
  • Breaking load of chain: Apex 200kN, Guide Booms 110kN
  • Temperature range: -40°C to + 80°C
  • Section connector: ASTM Slide (Standard)
  • Total Weight on RB1500 winder: 1970 kg
  • Dimensions winder LxWxH: 2194 x 2000 x 2189 mm
  • Weight winder: 780 kg
  • Bollard pull recommended: 2 x 1,5 ton if pulling with 3 knots with a sweep opening of 15 meters

 

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Join DESMI at Maritime Industry Gorinchem, 13-15 October 2020

The Maritime Industry exhibition is taking place May 13-15 October 2020 in Gorinchem, Netherlands at the Evenementenhal Gorincham

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Join DESMI at the Irish Skipper Expo, 12-13 March 2021

The Irish Skipper Expo is taking place September 4-5 2020 in Limerick, Ireland at the UL Sport Arena

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Join DESMi at AquaCulture UK 2020, 19-21 May 2021

Aquaculture UK is the most important aquaculture exhibition and conference held in the British Isles taking place 19-21 May 2021 in Aviemore, Scotland at the Macdonald Aviemore Resort

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