Improvements in Horizontal Circulating Boiler.
Year: 1893

page_text: Date of Application, 11th July, 1893-Accepted, 2nd Sept., 1893
COMPLETE SPECIFICATION.
Improvements in Horizontal Circulating Boiler.
I, THOMAS WOOD of No. 3 Lewin's Mead in the City and County of Bristol and
of Eastville in the Parish of Stapleton in the County of Gloucester, Heating
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 :-
This invention relates to improvements in a class of horizontal boiler used for all
purposes to heat any class of buildings or hot-houses where warmth is required.
My invention will be well understood by reference to the accompanying drawings
which show the various sections in which my improved circulating boilers are
made.
Fig. 1 and 2 show the front and back elevation, No. 3 side elevation, No. 4 cross
section which also shows the connecting box to that part of boiler A, and the
plate B with sockets to receive the tubes forming A. B is a plate securely fastened
on to metal water chamber C with bolts or otherwise and with tubes properly
secured to water chamber D, thus forming a continuation of one boiler and
exposing much larger heating surface to the fire, utilizing the heat that would
otherwise escape up the chimney. Fig. 1 is a hollow metal chamber with sockets
cast on the rear for the reception of tubes as shewn on side elevation Fig. 3, and
on cross section Fig. 4. The external tubes E are caulked or securely fastened to
that part of the water chamber marked F, and a dead plate caulked in or securely
fastened to F to prevent the water escaping from that part of the chamber. The
inner ring of tubes marked G are properly secured to outer chambers C and K.
The bottom row of tubes L form water bars, and are connected to C and K. The
centre row of tubes M, secured to sockets in water chambers C and K are fixed so
as to divide the fire, and to secure a greater heat, or so that one half of the boiler
can be used without the other part being in action, thus effecting a great saving
in fuel. N N are two hinged doors with latches for opening and closing same, for
stoking purposes, 00 sockets cast on the top of water chambers C and D and
for connecting flow-pipes. PP are sockets cast on water chambers C and K
for return pipes.
This boiler is enclosed in brick work or other suitable material with flues formed
each side and carried up under tubes at A, thence to the uptake with suitable soot-
door and dampers for cleaning purposes. I provide a space built up in line with
top tubes to form a feed box to supply the boiler, with a suitable iron frame
and cover to secure same. By so doing the fire will last sixteen hours without
attention.
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:
1. The centre tubes that divide the fire into two parts for the purpose of
increasing the efficiency of heating power, and enabling one half of the boiler to be
used if the whole power is not required, thus effecting a great saving of fuel.
2. The outer ring of tubes at E which afford extra heating surface with the same
amount of fuel.
3. The front removable plate at F is to secure the front end and to make same
|water-tight, and also enable one to examine or clean the tubes.

page_text: 4. Back section. A gives additional heating surface, thus enabling the same
amount of fuel to do more work, and economising heat that would otherwise be
wasted in the uptake.
1000
THOMAS WOOD.