Basic functions of a purifier on ship

Closing of bowl

  • After the purifier has attained its full rpm, the bowl closing water also called as the operating water is supplied at the bottom.
  • Sliding bowl bottom is pressed upwards against a seal ring by the hydraulic force of the operating water.

Sealing water

  • The sealing water is now supplied through the sealing water inlet.
  • The supply of sealing water is continued until it comes out of the water outlet.

Dirty oil

  • The dirty oil is supplied in to the bowl through the dirty oil inlet.
  • Due to centrifugal force, the oil displaces the water and the sludge to the bowl periphery and rises upwards through the disc stack.
  • The clean oil is then discharged through the clean oil outlet.
  • Sludge and water particles accumulate at the bowl periphery and separated water is continuously discharged through the water outlet.


  • The sludge ports in the periphery of the bowl are covered by the sliding bowl bottom.
  • For desludging, oil feed inlet to the purifier is stopped and the operating water is closed.
  • The bowl opening water, also called the desludging water is supplied for a few seconds during which the water flows on from the top of the operating.
  • The water force exceeds the spring force and pushes the operating slide downwards.
  • The entire operating water is discharged through the nozzle.
  • This causes the sliding bowl to move downwards, thereby opening the sludge ports.
  • The sludge is discharged through sludge ports.
  • The cycle is restarted and the operation continues.

1 comment:

  1. Reused plastic can be changed into a great many items like transporter packs, watering jars, wheel curve liners, vehicle guards, soggy proof films, development materials, reusable cartons, containers, composite pit, food plate, water bottles and different dress textures giving an enormous degree to plastic businesses to make a favorable luck. China CNC machining


Powered by Blogger.