Improvements in Feed Water Heaters, Economizers, and Purifiers.
Year: 1894

page_text: COMPLETE SPECIFICATION.
Improvements in Feed Water Heaters, Economizers, and Purifiers.
I, HENRY GRIFFITH KEASBEY, of Ambler, in the County of Montgomery,
State of Pennsylvania, United States of America, Physician, do hereby declare
the nature of this invention, and in what manner the same is to be performed,
to be particularly described and ascertained, in and by the following statement :-
My invention consists of a feed water heater, economizer and purifier formed of
a chambered shell with flues and pipes therein, inclosed end chambers for said shell,
one of which is adapted to serve as an inlet for live or exhaust steam, and the
other as an outlet chamber for the same, said flues terminating in said end chambers,
and said pipes serving to impart a zig-zag or alternating top and bottom motion to
the water throughout the heater while it is being subjected to the action of steam,
the heating being gradual and being effected by either live or exhaust steam, all as
will be hereinafter set forth.
The accompanying drawing represents a longitudinal section partly in side
elevation of a feed water heater, economizer and purifier embodying my invention.
A designates a shell within which are partitions B, forming chambers C, C1, C2, C³
and pipes D, D1, D2, which extend from the top of one partition to the bottom of
the chamber which said pipe occupies.
Connected with the chamber C is a water supply pipe E and with the chamber C³
is a discharge pipe F, it being evident that after water enters the chamber C, it
rises in the same, and is directed by the pipe D to the bottom of the chamber C¹,
where it is discharged. The water then rises in said chamber and is discharged by
the pipe D' into the chamber C2 at the bottom thereof, and so on with the pipe D'
and chamber C, the water thus being directed in zig-zag course throughout the
chambers of the boiler, and being subjected to the action of the flues B₁ with which
the water comes in contact in said course, said flues being heated by exhaust steam
which is directed by a pipe G from a source of supply into a chamber H, which is
formed on the end of the shell A, adjacent to the chamber C³ thereof, the same
having the flues B' in communication with the same, it being evident that the
steam enters the chamber H through the pipe G, and is directed into the flues B',
thus heating the water in the chambers C, C, C₁, C, the heating being gradual as
the temperature of the chambers increase, the chamber C³ being the highest
temperature, since the exhaust steam enters the flues B' in said chamber C³, while
it discharges where the flues are in the receiving chamber C, the steam in its low
temperature then entering the chamber J, which is connected with the shell A
opposite to the chamber H, and provided with a discharge pipe K.
The shell is also provided with blow-off pipes L, and the chambers H and J
with blow-off pipes M for removal of sediment deposit, or the like.
Man or hand-holes are formed in the shell and in partitions also if desired, and
covering plates provided for the same, whereby access may be had to the interior
of the shell for purposes of cleansing, repairs, or the like.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is :-
1st. A shell having partitions therein, forming separate water chambers, flues
through said chambers, pipes connected with said partitions forming communication
between the chambers in zig-zag order through the heater, said flues terminating
at their extremities in closed chambers, one of which is adapted to serve as an inlet

page_text: for live or exhaust steam, and the other as an outlet chamber for the same,
Bubstantially as described.
2nd. A feed water heater and purifier, consisting of a shell having inclosed
chambers in both its ends, one of which is adapted to serve as an inlet for live
exhaust steam, and the other as an outlet chamber for the same, flues connecting
said chambers, partitions forming water chambers between said steam chambers, a
water inlet pipe leading into the bottom of one of said water chambers, a pipe
leading from the upper part of a chamber to the lower part of the adjacent
chamber, and a water discharge pipe leading from the upper part of the chamber
adjacent the inclosed steam inlet chamber, said parts being combined substantially
as described.
Dated this 4th day of September 1894
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C., Agents for the Applicant.