Improvements connected with the Heating and Purification of . "Feed-water."
Year: 1895

page_text: Date of Application, 28th June, 1895
Complete Specification Left, 1st Jan., 1896-Accepted, 1st Feb., 1896
PROVISIONAL SPECIFICATION.
Improvements connected with the Heating and Purification of .
"Feed-water."
I, ALBERT WEBSTER, of 80 Kings Road, Bootle, in the County of Lancaster,
Engineer, do hereby declare the nature of this invention to be as follows:-
This invention has reference to the heating and purification of "feed-water,"
that is water supplied to steam generators, and more particularly to those
generators where the feed-water is taken from a condenser of a steam engine, and
contains, in consequence, objectionable matters.
According to this invention, I arrange and combine within one casing or shell,
the filtering material through which fresh feed water is passed, and steam heated
pipes or surfaces over which the feed water is sent; the casing being provided with
a cover, part, or means, which can be readily removed and placed in position,
whereby the filtering material can be easily and quickly taken out for cleansing or
renewal, and returned; and, in some cases also, the heating tubes removed for
cleaning, or exposed, at a different part, or the same part with the material.
The water to be filtered and heated would be conveyed into the casing through
a suitable inlet, and passed through the filtering material and over the heating
pipes or surfaces, and out by a suitable outlet; the steam for heating being
admitted to the heating tubes by a suitable inlet, and conveyed away through a
steam outlet.
According to one arrangement, the heating tubes may be in a nest or grouped
together, whilst the filtering material is arranged in an annular form round such
tubes, it being carried or supported upon a suitable plate or plates; a cover on the
apparatus being provided, by removing which, the filtering material holder or
support can be removed. In another arrangement, the filtering material is disposed
at one side or part of the shell, and the heating surface at another; or, as
a modification, the heating surface and the filtering material may consist of
a series of alternate layers or sets of filtering material and heating surface.
As to the heating surface, this may consist of return-tubes, through tubes, spiral
tubes, annular tubes, or any known suitable form of heating tube or surface; such
for instance as those used in ordinary steam heated feed-heaters, or similar
apparatus. And, as to the filtering material, this may cousist of filter cloth, or
granular, or fibrous material, of any suitable kind, and carried upon or contained
in perforated plates, grids, or suitable supporting parts, of form or shape to suit the
different forms or constructions of the apparatus. These filter carrying parts,
in some cases also, may be adapted to be kept in position and make the required
joint where desired by the cover or door through which they are inserted and taken
out, or by suitable readily adjusted set screws or the like.
The apparatus may be arranged, with the general construction vertically
disposed, or horizontally disposed, according to the different applications of the
invention, and to the purposes to which the combined filter and feed heater
may be put.
Dated this 27th day of June 1895.
CHEESBROUGH & ROYSTON,
15 Water Street, Liverpool, Applicant's Patent Agents..

page_text: Improvements connected with the Heating and Purification of
" "Feed-water."
I, ALBERT WEBSTER, of 80 Kings Road, Bootle, in the County of Lancaster,
Engineer, 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 :-
:-
وو
This invention has reference to the heating and purification of "feed-water,'
that is, water supplied to steam generators, and more particularly to those
generators where the feed-water is taken from a condenser of a steam engine, and
contains, in consequence, objectionable matters.
According to this invention, I arrange and combine within one casing or shell,
the filtering material through which fresh feed water is passed, and steam heated.
pipes or surfaces over which the feed water is sent; the casing being provided
with a cover, part, or means, which can be readily removed and placed in position,
whereby the filtering material can be easily and quickly taken out for cleansing or
renewal, and returned; and, in some cases also, the beating tubes removed for
cleaning, or exposed, at a different part, or the same part with the material.
The water to be filtered and heated would be conveyed into the casing through a
suitable inlet, and passed through the filtering material and over the heating
pipes or surfaces, and out by a suitable outlet; the steam for heating being
admitted to the heating tubes by a suitable inlet, and conveyed away through a
steam outlet.
According to one arrangement, the heating tubes may be in a nest or grouped
together, whilst the filtering material is arranged in an annular form round such
tubes, it being carried or supported upon a suitable plate or plates; a cover on the
apparatus being provided, by removing which, the filtering material holder or
support can be removed. In another arrangement, the filtering material is disposed
at one side or part of the shell, and the heating surface at another; or, as a
modification, the heating surface and the filtering material may consist of a series of
alternate layers or sets of filtering material and heating surface.
As to the heating surface, this may consist of return-tubes, through tubes, spiral
tubes, annular tubes, or auy known suitable form of heating tube or surface; such
for instance as those used in ordinary steam heated feed-heaters, or similar
apparatus. And, as to the filtering material, this may consist of filter cloth, or
granular, or fibrous material, of any suitable kind, and carried upon or contained in
perforated plates, grids, or suitable supporting parts, of form or shape to suit the
different forms or constructions of the apparatus. These filter carrying parts, in
some cases also, may be adapted to be kept in position and make the required joint
where desired by the cover or door through which they are inserted and taken out,
or by suitable readily adjusted set screws or the like.
The apparatus may be arranged, with the general construction vertically
disposed, or horizontally disposed, according to the different applications of
the invention, and to the purposes to which the combined filter and feed heater may
be put.
In the drawings hereto annexed, some different modifications of feed water
heating and purifying apparatus illustrating my invention, are given.
Figure 1 is a sectional elevation, and Figure 2 a plan, shewing one of these
modifications.
Figure 3 is an elevation partly in section shewing another modification.
Figure 4 is an outside elevation, and Figure 5 a part sectional elevation shewing
another modification.
Referring in the first instance to Figures 1 and 2, a designates generally the case

page_text: of the feed-water filtering and heating apparatus. b is a cover, constituting the
bottom of the case a, and c a cover constituting the top or lid of the case. d is the
inlet for the feed water to be filtered and heated, and e is the outlet for the filtered
and heated water, this branch being connected and communicating with the lower
part of the casing a by the upright or vertical passage e¹. f is an annular diaphragm
within the casing a; and g is a perforated cylinder-closed at the top-the lower
edge or flange of which rests on and makes a joint with the annular diaphragm f, it
being pressed downwards and kept in place by the screw down studs in the cover.
i is the filter cloth, or filtering media, round the cylinder g. k are the heating
pipes within the cylinder 9 and casing a, such pipes, in this case, consisting of
helical coils, the steam to which is conducted by branches k¹ from the chamber b¹ of
the lower cover b, while the outlet for the steam or water of condensation is
through the branches k by way of the chamber 6 of the cover b. 63 and bare
the inlet and outlet to and from the chambers and 3, of the cover b,
respectively.
The action of the apparatus is, that the feed water entering by the inlet d fills
the annular space between the filtering material or media i and the case a, and
passes through this material and the cylinder g into space occupied by the heating
tubes h, and then flows over this heated surface into the bottom of the vessel a,
leaving it by the passage e¹ in a filtered and heated condition.
In the case of the filtering material or media i having to be renewed or attended
to, it can be withdrawn by removing the cover c, and lifting the cylinder g with the
material on it out of the casing a; and when this is done, the feed water is
by-passed from the apparatus, this being effected by two ordinary double seated
valves 11, and a connecting pipe m, by which the water delivered through the pipe n,
instead of being directed through the inlet branch e, is shut off from such branch,
and passes by way of the pipe m and the valve / and pipe o. To cause the feed
water to pass through the apparatus, it is only necessary to so move the valve
that the communication between n and m, and o and m are cut off, and n put in
communication with d, and e with o.
Referring to Figure 3, the chief modification in this apparatus from that shewn
in Figure 2, consists in the kind of steam heating pipes k which are used. These,
in this modification, are of inverted U form, the inlets of the tubes being connected
with the chamber 6, and their outlets being connected with the chamber . The
action in this case is similar to that occurring in connection with the apparatus set
forth under Figures 1 and 2.
In the modification shewn in Figures 4 and 5, a double arrangement of feed-water
filtering and heating apparatus is shewn, this type being more particularly useful
where large quantities of water have to be filtered and heated. In this case the
water passes in by the inlet b on No. 1 apparatus, and leaves at the lower part of
the same by the outlet e, and then passes up by a pipe e to the inlet d at the top of
apparatus No. 2, finally leaving the latter by the branch outlet e. In other
respects this apparatus is substantially identical with that set forth with reference
to Figures 1 and 2.
With regard to the form or type of the filtering material or media, and the form
or kind of heating surface or conduits through which the heating steam is passed,
these are in no way restricted to those particularly shewn in and specified with
reference to the drawings, as any known suitable forms of these parts of the
apparatus may be used under this invention; nor is the invention restricted to the
general form of the apparatus shewn, since the invention may be applied to or used
in connection with apparatus having forms, and general disposition of parts, which
may differ largely from those shewn and specified.
Having now particularly described and ascertained the nature of this inven
tion and in what manner the same is to be performed, I declare that what I
claim is :-
1. The improvement herein described connected with the heating and purification

page_text: of feed-water, namely, apparatus consisting of or comprising a casing or shell,
containing within it filtering material or media, through which the feed water is
passed, and steam heated pipes or surfaces over which the feed passes in its
movement through the apparatus; operating substantially as and for the purposes
-set forth.
2. Apparatus for heating and purifying feed water, comprising a casing or shell;
a filter of cylindrical or analogous form; and heating pipes or surfaces within said
filter, the feed water being adapted to be passed through the filtering material and
over the heating surface; substantially as set forth.
3. The annular arrangement and construction of feed-water heating and purifying
apparatus, comprising an outer casing a, filtering material annulus i and pipes / ;
substantially as set forth with reference to the drawings.
4. The feed-water heating and purifying apparatus constructed and operating
particularly as set forth with reference to and shewn in Figures 1 and 2; Figure 3;
and Figures 4 and 5, respectively, of the drawings.
Dated this 31st day of December 1895. -
CHEESBROUGH & ROYSTON,
15 Water Street, Liverpool, Applicant's Patent Agents.