Gas passes as usual from the generator to a washer and storage
gasholder. Heratol is the purifying material supplied.
[Illustration: FIG. 42.--CARBIDE-TO-WATER GENERATOR OF THE ACETYLENE
ILLUMINATING CO., LTD.]
(2) Non-automatic; water-to-carbide; contact.
The generator _A_ is provided with a carbide container with
perforated base, and water is supplied to it from a delivery-pipe through
a scaled overflow. The gas evolved passes through the pipe _E_ to
the washer _B_, which contains a distributor, and thence to the
storage gasholder _G_. There is a sludge-cock _F_ at the base
of the generator. From the gasholder the gas passes through the purifier
_D_, charged with heratol, to the service-pipe.
[Illustration: FIG. 43.--WATER-TO-CARBIDE GENERATING PLANT OF THE
ACETYLENE ILLUMINATING CO., LTD.]
_Maker_: THE ALLEN CO., 106 VICTORIA STREET, LONDON, S.W.
_Type_: Automatic; water-to-carbide; contact, superposed trays.
The generating plant made by this firm comprises an equalising bell
gasholder, from the tank of which water is supplied through a flexible
tube to the top of a water-scaled generating chamber in which is a
vertical cylinder containing a cage packed with carbide.
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