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Separators Buffalo
Separators Buffalo

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stein



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Registered: November 2006
Location: Norway
Posts: 15,851
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Separators on the Buffalo, built for Fred Olsen at the Aker Yard in Oslo, delivered 1953.

Are these separators to separate oil from water so as not to contaminate the oceans?
· Date: Mon, 15 June 20 · Views: 452
· Filesize: 56.4kb, 155.2kb · Dimensions: 1024 x 755 ·
Additional Info
Keywords: Separators Buffalo
Source of Image, If not your own: Norsk Teknisk Museum, Attribution Share Alike (CC-BY-SA)
Location photo was taken: Oslo, Aker yard
Date photo was taken: 1953
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alaric
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Registered: February 2012
Location: Rutland
Posts: 1,130
Tue, 16 June 20 04:57

The large unit in the foreground was used to remove water from main engine fuel, one of the smaller units would do the same for generator fuel and the third one would be used for cleaning lubricating oil.
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barny
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Registered: September 2009
Location: yorkshire
Posts: 1,010
Tue, 16 June 20 05:00

Hi Stein

No these are to separate water etc from either Heavy oil , diesel oil or Lube oil before going into the engine system, she should have a OWS in the bilge system to remove the oil from water before discharge overboard.
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stein
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Registered: November 2006
Location: Norway
Posts: 15,851
Tue, 16 June 20 05:29

Thanks to both of you. With a little understanding comes a wish to know more.
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alaric
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Registered: February 2012
Location: Rutland
Posts: 1,130
Tue, 16 June 20 08:05

This type of centrifuge was originally developed for the dairy industry to separate cream from milk.
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jan botter
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Registered: January 2011
Location: Ostfriesland
Posts: 609
Tue, 16 June 20 15:31

The separators were connected in series in heavy oil operation. Purifier and clarifier. They separated heavy incombustible parts from the fuel and of course the water.
These filtered out parts landed in the mud tank, and at my time of sailing they were pumped out by pumping or with compressed air into the sea.
Environmental protection was not yet the order of the day.
In parallel, the lubricating oils of the main engine and the auxiliary diesel would be continuously cleaned equally by other separators.
An oil change was not necessary. Only the oil loss was constantly being supplemented
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John Paul
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Registered: May 2007
Posts: 46
Tue, 16 June 20 16:08

No OWS gear in those days pump the bilges straight over the side at sea.
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John Paul
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Registered: May 2007
Posts: 46
Tue, 16 June 20 17:59

I should add that the sludge discharged from the separators usually ended up in a tank located beneath the machines and this was pumped out as required, The lub oil separators would have their own separate tank and in the event of a broken water seal the oil could be recovered ,cleaned and put back into the system.
Diesel generators would have self contained filtration systems fitted as only relatively small amounts of oil in use Thinking of Streamline Filters using compressed paper discs as the filter medium but other designs were available.
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stein
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Registered: November 2006
Location: Norway
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Tue, 16 June 20 18:04

Yes, but why would you get water in the fuel or lubricating oil in the first place?
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jan botter
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Registered: January 2011
Location: Ostfriesland
Posts: 609
Wed, 17 June 20 02:59

Water is cheaper than fuel. The unseparated Bunker C heavy oil contains a lot of natural water. Even before separation, tank drainage is still necessary in the settling tank and after separation in the day tank.
With lubricating oil it is different. They are high-quality oils and without water. However, water could get into the lubricating oil through leakages in the engine cooling water. Emulsions are then formed.

By the way, the separators on the photo are from ALPHA LAVAL
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Steve Oatey

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Registered: February 2008
Location: Vancouver Island
Posts: 1,243
Wed, 17 June 20 03:32

"By the way, the separators on the photo are from ALPHA LAVAL"

Or maybe DeLaval ??
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jan botter
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Registered: January 2011
Location: Ostfriesland
Posts: 609
Wed, 17 June 20 05:53

Sorry, of course De Laval
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stein
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Registered: November 2006
Location: Norway
Posts: 15,851
Wed, 17 June 20 11:57

Reading this wikipedia entry one gets the impression that there never was a De Laval company until the agrarian part secceeded, but that there was no Alpha-Laval until 1963 either.

The company was founded in 1883 as AB Separator and in 1938 produced its first heat exchanger. The name Alfa-Laval was introduced in 1963, spelled with a hyphen until 1993. (The "Alfa" is derived from the alpha disc, or Alfa-disc, an invention by Clemens von Bechtolsheim that was acquired by Separator in 1889.[7]) . In 1993, Alfa Laval Agri, a company producing dairy farming equipment, was split from Alfa Laval. When Alfa Laval was sold, Alfa Laval Agra was renamed De Laval after the company's founder.
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jan botter
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Registered: January 2011
Location: Ostfriesland
Posts: 609
Wed, 17 June 20 12:34

Stein, what does that tell us?
It's interesting what you know about these companies. When you look at the photo you have uploaded, you are looking at the function of the separators and their explanation. I assume that the colleagues are interested in it without worrying about the Laval company in its details.
Kind regards
Jan
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stein
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Registered: November 2006
Location: Norway
Posts: 15,851
Wed, 17 June 20 14:48

I was commenting upon you two commenting upon it, you had done it twice then, but now thrice. Yours etc., etc.
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jan botter
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Registered: January 2011
Location: Ostfriesland
Posts: 609
Wed, 17 June 20 14:55

OK, I will ask her soon if my comments enjoy her benevolence.
Thanks
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