Improvements in Apparatus for Preventing Scale in Steam Boilers, Removing Dirty Water, Washing the same, and other analagous Purposes
Year: 1897

page_text: Date of Application, 4th Jan., 1897
Complete Specification Left, 2nd Sept., 1897-Accepted, 9th Oct., 1897
PROVISIONAL SPECIFICATION.
I, BOOTH WADDICAR of 148 Blackburn Road, Egerton near Bolton in the County
of Lancaster, Engineer, do hereby declare the nature of my said invention to be as
follows:-
This invention relates to improvements in apparatus for preventing scale in steam
boilers, removing dirty water, washing the same and other analogous purposes and
consists in disposing in the boiler in any convenient position any number of bent or
curved pipes secured to a pipe or orifice leading to a steam, water or other pipe,
supplied with glands and valves to operate the saine as desired. The pipe or orifice is
constructed so as to allow of the bent or curved pipes rotating when desired or
necessary. When washing is being performed the apparatus may be supplied with
water or liquid from another boiler or other convenient source. By a constant or an
intermittent movement of the apparatus the formation of scale is entirely prevented
thereby maintaining the evaporative power of the boiler and the efficiency of the
same.
EDMUND CHADWICK,
Agent.
Improvements in Apparatus for Preventing Scale in Steam Boilers,
Removing Dirty Water, Washing the same, and other analagous
Purposes.
I, BOOTH WADDICAR of 148 Blackburn Road, Egerton near Bolton in the County of
Lancaster, Engineer, do hereby declare the nature of my said invention and in what
manner the same is to be performed, to be particularly described and ascertained in
and by the following statement :-
This invention relates to improvements in apparatus for preventing scale in steam
boilers, removing dirty water, washing the same and other analogous purposes and
consists in disposing in the boiler in any convenient position any number of bent or
curved pipes secured to a pipe or orifice leading to a steam, water or other pipe,
supplied with glands and valves to operate the same as desired. The pipe or orifice is
constructed so as to allow of the bent or curved pipes rotating when desired or
necessary. When washing is being performed the apparatus may be supplied with
water or liquid from another boiler or other convenient source. By a constant or an
ID 977

page_text: DESCRIPTION OF DRAWINGS.
Fig. 1 is a longitudinal elevation of a boiler showing my invention applied thereto.
Fig. 2 a sectional elevation through line A B in Fig. 4 showing my invention in
single form. Fig. 3 a sectional elevation of my invention in double form.--Fig. 4 a
side elevation of Fig. 2, and Fig. 5 a part outside end elevation of Fig. 3.
In all the figures the same letters are employed to indicate corresponding parts.
C represents a longitudinal elevation of a Lancashire Boiler with the lower parts of
a portion of the plates cut away to show my invention; D bent or curved pipes, and
P valve or tap.
In the boiler C are disposed the curved pipes D screwed to the metallic coupling E
mounted on the hollow pipe or centre G attached to the vertical pipes H by the
screwed ends I and couplings R. The vertical pipes H are coupled to the plates of
the boiler C by the nuts Z or their equivalents. The pipes H pass to the outside and
are coupled to the pipes W by the elbows X and tees Y to the valve P. In constructing
my invention singly as in Fig. 2 the coupling E is mounted loosely on the outside of
the pipe or hollow centre G, being secured in position by the nut Jon the screwed end I and
the flange K. The pipe or hollow centre is provided with the openings or outlets L
to allow of steam, water, or other liquids being admitted into the chamber M from
whence the same will pass out the bent or curved pipes D into the boiler, by which
the bent or curved pipes D will be rotated when delivering steam, water, or other
liquids under pressure into the boiler C, which action prevents the formation of scale.
This apparatus is operated several times a day or as often as desired or necessary, by
which dirty water will be drawn off from the bottom or other part or parts of the
boiler according to the position or positions my improved apparatus may be located.
When washing out is to be performed the pipe O may be supplied with water or
liquid from another boiler or other convenient source. In constructing my invention
in double formn as shown in Fig. 3 the pipe or hollow pipe G is provided with the
flange K with a passage through the same leading to the chainber M in the
coupling E. The coupling E is loosely mounted on the hollow pipe G and is secured
thereto by the washer or gland Q and the flange V, the two latter being coupled by
bolts passing through the holes V¹. Between the washer or gland Q and the nut J
is loosely mounted the coupling E¹ carrying the bent or curved pipes D.
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:
The combination and arrangement of apparatus for preventing the formation of
scale in steam boilers, also for removing dirty water and washing out the same, applied
and operating substantially as described and as illustrated on the drawings.
Dated the 1st day of Senternher 1807
EDMUND CHADWICK,
Agent.