if there is a change in density of fuel oil, do we need make any change in the alcap purifier configuration? (as in the earlier ones were we had to. Consult Alfa Laval’s Alcap separation system brochure on DirectIndustry. HFO cSt, they decided to upgrade one purifier to an Alfa Laval SA separator. To overcome this problem, Alpha Laval has developed the Alcap separator, the Ensure purifier has been fully assembled, that the bowl cover.

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A purifier separates sludge and water from the oil. This reduces chances of foaming. However, after two full years of operation, the father-and-son team decided to explore the possibilities of further increasing fuel cost savings. Change discharge from settling to service tank, and adjust feed rate to match engine consumption. It is designed to clean a wide range of fuel oils used by diesel engines in the marine and power industries. Alcap purifiers can be more regarded as clarifier.

Catalytic fines comprise of small particles of silicon and aluminium carried over from the refining process. Your email address will not be published. The total losses of sludge, oil and water during the discharge process are considerably less than other separator models due to bowl design, size, longer discharge intervals and accurate controls.


Canada Global Maritime Inc. AFPX High capacity solids-ejecting centrifuge They are difficult to remove because they are often hollow which gives them a relative density close to that of the fuel.

Alcap separation system – Alfa Laval – PDF Catalogs | Technical Documentation | Brochure

General Arrangement for Purifiers on board is given in the diagram. If the fuel contains water it will build up in the bowl and start to be discharged with the clean oil. What purifisr the 3 types of water in a purifier I know there are operating water and bowl water but I know there is one more type, but dont know what they do in the system!

The separator bowl can be arranged as a purifier or as a clarifier.

How flow rate of fuel affects purification? This does not require any change with sg of F. This means keeping the purification temp as high as possible and the throughput as low as possible. Reply In alfalaval purifiers ,opening water and closing water are connected through same pipe from the solenoid water block, how do they function during opening and closing of discharge slide Reply Hello Srinivas, It is allcap of the pressure difference of water.

Martech is an engineering consulting company incorporated in British Columbia, Canada. Wishes to be this Generations’ Yevgeny Zamyatin. During normal operation vital process parameters are monitored.

Very explanatory article, which would definitely a guide to all juniors as well puririer refreshing note for all senior marine engineers. Rajon Khan February 20, at 8: Handling of higher viscosities available.


Explain how the centrifuge described in is able to remove water from a fuel which has a density that is higher than that of water and state any factors that may assist puurifier operation.

Did we miss something? The purifier pump suction should be purufier, the pump discharge valve open to the heaters, and the recirc valve open back to the purifier suction. The separator bowl is fixed at the top of a spindle, which is supported by bearings and springs.

ViscoLine Purifker Unit The EPC60 control system masterminds the operation of the separation system and allows the monitoring of control and alarm functions. Catharina is designed to use heavy fuel oil with a maximum viscosity of cSt.

Kranthi Kiran September 19, at 9: Water is continuously discharged from the bowl.

Centrifugal Purifiers or Separators Theory, Working and ALCAP Principal

In a clarifier, the water outlet is blocked, i. Newer Post Older Post Home. Upgrading an Alfa Laval purifier originally installed onboard to an Alfa Laval SA separator system drastically reduced fuel costs.

Waqas Tariq September 25, at Ensure sludge cycle is set to x hours.