IMPROVEMENTS. IN FEED WATER HEATERS FOR BOILERS to be as follows:-
Year: 1884

page_text: I JOHN HOWE of Hawk Yard Bottle Bank Gateshead in the County of Durham
Tile Maker do hereby declare the nature of said Invention for "IMPROVEMENTS. IN
FEED WATER HEATERS FOR BOILERS to be as follows:-
"
My Invention has for its object to provide improved means for heating the feed
water for Steam and other Boilers by means of Exhaust Steam-According to my
said invention I provide a vessel having therein apertures for the ingress and the
egress of the exhaust steam. In the inside of this vessel there is a tubular coil
entering near the top of the vessel and terminating and opening a short distance
from the bottom of the vessel. The feed water to be heated passes into and
through this coil and issues therefrom at the lower end thereof into the vessel; the
said Water is then drawn off from the said vessel by a pump or other suitable
means to feed the boiler,
The water in its descent through the coil becomes heated by the exhaust Steam
in the vessel and surrounding the coil and is still further heated by the said exhaust
steam acting on the surface of the water lying in the bottom of the vessel or well
so that the water is delivered to the boiler at a very high temperature, heating the
water rapidly and saving fuel and maintaining an equable and unvarying heat in
the boiler, thus preventing unequal expansion and contraction of the plates.
At the bottoin of the Vessel there is a float acting on a valve to regulate the
quantity of water in the vessel also a tap at the outer part of the vessel to prevent
the overflow of water in case the inside valve should be out of order.

page_text: I JOHN HOWE of Hawk Yard Bottle Bank Gateshead Tile maker do hereby
declare the nature of my invention for "IMPROVEMENTS IN FEED WATER HEATERS
FOR BOILERS and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement :-
">
My Invention has for its object to provide improved means for heating the
feed water for steam and other boilers by means of exhaust steam According to
my said Invention I provide a vessel A as illustrated in vertical section in figure 1
of the accompanying drawings the said vessel having therein an aperture, and
pipe b. for the free entry of exhaust steam (which may be led directly from the
Cylinder or Cylinders of the Engine into. the vessel A) and a clear: open outlet
at e for the escape of the uncondensed steam from, the said vessel.
In the interior of the vessel A there is a tubular coil Da space; being left
between the coil and the outside of the vessel A for the' steam admitted thereto
to circulate-The feed water to be heated enters the coil D by the pipe d'and is
passed into and through this coil under pressure by the pump X or otherwise.
The water in its passage through the coil D becomes heated' by the exhaust steam
in the vessel A and is delivered to the boiler from the opposite end d² of the coil
pipe D in a highly heated condition thus enabling Steam to be rapidly raised and
effecting a great saving in fuel, also maintaining an equable and unvarying heat
in the boiler, thereby preventing unequal expansion and contraction of the plates
thereof. The vessel A is provided with an outlet or a cock f whereby the water.
of condensation collected in the vessel A may be run off as required.
I do not limit myself to the precise form of the vessel A nor to the arrangement
of the inlets and outlets as shewn in figure 1 as it will be evident that they may
be varied, and arranged in any suitable position which the arrangement or situation
of the apparatus may render desirable.
Figure 2 represents the feed water heater as forming part of the exhaust pipe of
a steam Engine the exhaust steam from the Engine being caused to circulate over
the surface of the coil D before escaping into the Atmosphere thereby imparting
heat to the water passing through the coil which water may be forced through the
coil under pressure or be allowed to flow there-through into the boiler.
Having now particularly described and ascertained the nature of my said
Invention and in what manner the same is to be performed I declare that what
I claim is
•
First A feed water heater for boilers consisting of a vessel into which the
exhaust steam has free ingress and from which uncondensed steam can freely
escape, the said vessel containing a continuous coil into and through which the
feed water is passed or forced by and from forcing apparatus or head of water
the exhaust steam coming into contact with the said coil substantially as and for
the purpose hereinbefore described and illustrated by the accompanying drawings.

page_text: Second-The feed water heater herein before described and illustrated. in
figure 1 of the accompanying drawings.
Third:-The feed water heater hereinbefore described and illustrated by
Figure 2 of the accompanying drawings.