Improvements in Feed Water Purifying Apparatus for Steam Boilers.
Year: 1893

page_text: Date of Application, 28th Mar., 1893
Complete Specification Left, 28th Dec., 1893-Accepted, 3rd Feb., 1894
PROVISIONAL SPECIFICATION.
Improvements in Feed Water Purifying Apparatus for Steam
Boilers.
I, RICHARD WITHINGTON BROMILEY SANDERSON, of Office D, Royal
Exchange, Manchester, in the County of Lancaster, Merchant, do hereby declare
the nature of this invention to be as follows:-
My invention relates to improved apparatus for collecting dirt and impurities
admitted with the feed water into steam boilers, and discharging the dirt by any
suitable blow off valve or valves.
In one arrangement I admit the feed water at say two places through the top
of the boiler; the water falls preferably on to a cone of plates known as
Sanderson's Patent Feed Water Heater in the form of spray into a basin or vessel
placed below each cone and admission pipe; the basins are above the water level
in the boiler and they are connected by a horizontal pipe, preferably placed at or
below the water level; about the middle of this pipe is a chamber to the upper
part of which is connected a short vertical pipe opening into a shallow circular or
other vessel with an opening round its edge covered by a turned over flange so
that the feed water after passing into the chamber is admitted into the boiler in
the form of spray from the edge of the shallow vessel; this shallow vessel stands
at a slightly lower level than the top of the basins. To the bottom of the chamber
is fitted a pipe which is connected to a blow off valve by opening which the dirt
and impurities which collect in the pipes and chamber are forced by the steam
pressure out of the boiler.
The central vessel may be dispensed with the other parts remaining as before
described or the shallow vessel also may be dispensed with in which case turned
over flanges are made round the edges of the basins or vessels below the cones so
as to distribute the feed water.
In place of admitting the feed water directly on to the cone of plates it may
pass through a coil or lengths of pipes contained in the steam space of the boiler
before it is discharged on to the cone or cones of plates which divide the water
into spray:
In another arrangement the feed water is admitted by a pipe direct into a central
chamber in the boiler placed at about the water level; from the top of this chamber
a short branch pipe connects to a horizontal pipe which conducts the water to the
upper portion of one, two or more, preferably two, of the cone of plates, from
which the water passes in the form of spray into the boiler; to the bottom of the
central chamber is connected a pipe leading to the blow off valve. The dirt and
impurities collected in the chamber and pipes are blown out of the boiler when the
blow off cock is opened.
Dated this 27th day of March 1893.
H. B. BARLOW & GILLETT.
Agents for Applicant.

page_text: Improvements in Feed Water Purifying Apparatus for Steam
Boilers.
I, RICHARD WITHINGTON BROMILEY SANDERSON, of Office D, Royal
Exchange, Manchester, in the County of Lancaster, Merchant, 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 relates to improved apparatus for collecting dirt and impurities
admitted with the feed water into steam boilers, and discharging the dirt by any
suitable blow off valve or valves.
In one arrangement I admit the feed water at say two places through the top of
the boiler; the water falls preferably on to a cone of plates, known as Sanderson's
Patent Feed Water Heater, the original Patent for which numbered 4342 was
granted March 21st 1888, in the form of spray into a basin or vessel placed below
each cone and admission pipe; the basins are above the water level in the boiler
and they are connected by a horizontal pipe, preferably placed at or below the
water level; about the middle of this pipe is a chamber to the upper part of
which is connected a short vertical pipe opening into a shallow circular or other
vessel with an opening round its edge covered by a turned over flange so that the
feed water after passing into the chamber is admitted into the boiler in the form of
spray from the edge of the shallow vessel; this shallow vessel stands at a slightly
lower level than the top of the basins. To the bottom of the chamber is fitted a
pipe which is connected to a blow off valve by opening which the dirt and
impurities which collect in the pipes and chamber are forced by the steam pressure
out of the boiler.
The central vessel may be dispensed with the other parts remaining as before
described or the shallow vessel also may be dispensed with in which case turned
over flanges are made round the edges of the basins or vessels below the cones so
as to distribute the feed water.
In another arrangement the feed water is admitted by a pipe direct into a central
chamber in the boiler placed at about the water level; from the top of this
chamber a short branch pipe connects to a horizontal pipe which conducts the water
to the upper portion of one, two or more, preferably two, of the cones of plates,
from which the water passes in the form of spray into the boiler; to the bottom
of the central chamber is connected a pipe leading to the blow off valve. The
dirt and impurities collected in the chamber and pipes are blown out of the boiler
when the blow off cock is opened.
And in order that my invention may be fully understood and readily carried into
effect I will describe the accompanying sheet of drawings reference being had to
the figures and letters marked thereon.
Fig. 1 is a longitudinal view of a boiler with the front side removed in order to
clearly show the improved feed water purifying apparatus.
Figs. 2 and 3 are two views of a boiler representing another arrangement of my
invention and
Figs. 4 and 5 represent a third arrangement of the same.
Figs. 6, 7 and 8 are details of parts of the apparatus on an enlarged scale.
In the drawings,-a is the shell of the boiler, 6 the pipe and its connections for
conveying the feed water to the cones of plates e in the boiler, d basins or vessels
into which the water from the cones falls, e pipes leading from the basins d, Fig. 1,
to a central chamber f (see detail views, Fig. 8), which is connected to a shallow
circular or other suitably shaped vessel g with a deflector or turned over flange g¹;

page_text: to the bottom of this chamber f is connected a pipe h which is connected to a blow
off valve i.
In Figs. 2 and 3 the chamber and vessel g are dispensed with and a pipe h is
taken from each basin d into a pipe h leading to the blow off cock i.
In Figs. 4 and 5 the feed water pipe b is placed at or about the water level and is
connected direct to a central chamber f from the top of which it enters a pipe e
which convey's it to the upper part of the two cones of plate distributors c from
which the water passes in the form of spray into the boiler. The bottom of the
chamber is connected by a pipe to the blow off cock i.
Fig. 6 is a sectional side view and part plan of the vessel g, Fig. 1, and Fig. 7
similar views of the basin d placed under the cones c in Figs. 2 and 3.
The operation of the improved feed water purifying apparatus illustrated in
Fig. 1 is as follows:-
The feed water enters the boiler through the pipe b and falls on to the top plates
of the cones c and passes over all the plates of the cones in the form of spray into
the basins d from which the pipes e convey the water into the chamber and
shallow vessel g from which it enters the steam space of the boiler under the
deflector or flange g'. The dirt and other impurities which collect in the pipes e
and chamber are expelled through the pipe h when the stop cock i is opened.
In Figs. 2 and 3 the feed water enters the boiler from the pipe 6 on to the cones
of plates cover the edges of the plates, the water passes in the form of spray into
the basins d from which it passes under the deflector or flange d' into the steam
space of the boiler. The dirt and other impurities which settle in the basins d are
removed through the pipe when the cock i is opened.
In Figs. 4 and 5 the water enters the boiler at about the water level through the
pipe b which is connected to the chamber f from the top of which it passes through
the pipe e to the upper portion of the two cones of plates c from which the water
falls in the form of spray into the steam space of the boiler. The dirt and
impurities from the pipes and chamber are discharged through the pipes h when
the stop cock i is opened.
In place of admitting the feed water directly to the cones of plates as shown it
may pass through a coil or lengths of pipes placed conveniently in the boiler
before it is discharged on to the cone or cones of plates which divide the water into
spray.
In the arrangement respectively illustrated by Fig. 1 and Figs. 4 and 5, the
vessel and its pipe connections to the blow off cock or valve i might if preferred
be placed outside instead of within the shell of the boiler as shown and described.
Again, in the arrangements respectively illustrated by Fig. 1 and Figs. 2 and 3
the feed water might be introduced at or about water level as in the arrangement
Figs. 4 and 5 and pass up through the centre of the cones instead of being
introduced from above as shown and described.
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 :
1. The combination with a cone or cones of distributing plates, of a basin or
basins d, the vessels f and g, deflector g' and connections from the vesself to a
blow off cock or valve i all substantially as and for the purposes herein described
with reference to Fig. 1.
2. The combination with a cone or cones of distributing plates, of a basin or
basins d, with deflectors or flanges d¹ and connections to a blow off cock or valve i,
all substantially as and for the purposes herein described with reference to Figs. 2
and 3.
3. The combination with a cone or cones of distributing plates, of a vessel f to
which the feed water is supplied at or about water level in the boiler and which is
also connected to a blow off cock or valve i all substantially as and for the purposes
herein described with reference to Figs. 4 and 5.

page_text: 4. The several combinations and general arrangements of parts embodying my
improvements in feed water purifying apparatus for steam boilers substantially as
herein described and as illustrated by the accompanying drawings.
Dated this 27th day of December 1893.
H. B. BARLOW & GILLETT,
17, St. Ann's Square, Manchester, Agents for Applicant.