Belt SkimmerBelt Skimmer

Belt Skimmers

Ships via freight 1-2 weeks

Recovery of highly viscous oils

Many oil spills over recent years have highlighted the problems of recovering very viscous oils at sea. To respond to this challenge DESMI has developed a line of belt skimmers.

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Description

Recovery of highly viscous oils

Many oil spills over recent years have highlighted the problems of recovering very viscous oils at sea. To respond to this challenge DESMI has developed a line of belt skimmers.

The BELT skimmer is a special attachment to the TERMINATOR skimmer that enables the recovery of highly viscous oils that do not flow well into a conventional weir. The BELT skimmer is able to operate in either direction (depending on the oil type) – to pull in and discharge the oil into the hopper, where the vertical screw pump is housed.

The powerful capabilities of the BELT skimmer and pump can be further enhanced with annular water injection – a system that greatly reduces the pressure loss in the discharge hose, enabling the pumping of very viscous oils. The water injection flange can be mounted on the inlet or outlet of the pump, with hot or cold water injection.

The BELT skimmer is available with many more ground-breaking options, such as remote control and thrusters for positioning the skimmer.

The well-proven pump does not emulsify oil and water when pumping. This means that water can be quickly and easily separated from the recovered oil before storage.

The BELT skimmer is fitted with teeth to help pull in the layers of heavy oil, while its sister – the ALLIGATOR – has stiff bristles attached to the belt, offering the ability to recover a wide range of oils.

 

 

Advantages of BELT:

  • Enhanced recovery of heavy oils
  • Belt attaches onto the TERMINATOR skimmer or supplied as complete system
  • Water injection system available for reducing back-pressure in discharge hose
  • Thrusters are available for remote positioning
  • Remote control options
  • New DOP-250 DUAL offloading pump may be detached from skimmer for transfer operations

Technical Data

  Dimensions – L x W:   Approx. 2.1 x 2.3 m
  Skimmer weight without belt module:   Approx. 340 kg
  Skimmer weight with belt module:   Approx. 475 kg
  Required hydraulic flow – pump + belt:   Max. 160 l/min.
  Required hydraulic pressure:   Min. 0-210 bar
  Chain belt dimensions – L x W:   Approx. 1.2 x 0.8 m
  Total belt length:   2.5 m
  Chain material:   Polyethylene, series 800
  Chain wheel material:   Polyethylene, Intralox 800
  Required hydr. flow for belt drive:   0-25 l/min.
  Thrusters for positioning of skimmer:   Optional
  Radio remote control of skimmer and thrusters:   Optional

 

DOP-250 DUAL

  Weight:   80 kg/176 lbs.
  L x W x H:   0.55 x 0.36 x 0.59 m/22” x 14” x 23”
  Min. manhole diameter:   0.58 m/23”
  Pump outlet:   4, 5 or 6” Cam-locking type male
  Max. pressure:   10 bar/150 PSI
  Max. capacity:   100 m³/hr./440 USGPM
  Viscosity range:   1 to > 1 million cSt
  Screw:   Double-curved Archimedes’ screw in cast stainless steel (Ni-Resist), machined in a 5-axis CNC centre.
  Casing:   Casing in seawater resistant aluminium, cast iron, or stainless steel. Standard is aluminium. Replaceable polyethylene sealing ring.
  Plate wheel:   High-tensile steel core with replaceable sealing discs of polyethylene HD.
  Prime mover:   DANFOSS hydraulic motor, type OMTS 200 (Other OMTS types at request)
  Max. speed:   800 rpm continuously
  Max. input power:   47 kW/64 HP continuously
  Max. hydraulic oil flow:   160 l/min./42 USGPM continuously

 

Belt-Skimmer.pdf

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