A Practical Manual On Sea Water Distillation
With A Description Of The Necessary Machinery For The Process
Forfatter: Frank Normandy
År: 1909
Forlag: Charles Griffen & Co., LTD.
Sted: London
Sider: 244
UDK: 663.6
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84
SEA WATER DISTILLATION.
which scaling tools had to be inserted, to scrape off as
much of the deposit as possible for the time being, until
the cylinder or casing could be lifted off, to give better
access to the tubes. This did fairly well for land stations,
where there was plenty of space above and around, but
on board ship, with little or no head room, a better
arrangement for cleaning was soon found necessary.
42. An improvement came about in a type of evapor-
ator fitted with long U-shaped tubes, see Figs. 6 and Ga.
These U-shaped tubes were fitted so as to be capable of
being drawn out of the evaporator casing, along with the
door. The casing was in the form of a horizontal cylinder,
and the door placed on the front end.
43. This type of evaporator was worked with boiler