Steam Generator Combined with Injector for Feeding Boilers with Steam and Compensation Water.
Year: 1893

page_text: Date of Application, 12th Sept., 1893
Complete Specification Left, 11th June, 1894-Accepted, 4th Aug., 1894
PROVISIONAL SPECIFICATION.
Rapid Steam Generator Combined with Injector for Feeding Boilers
with Steam and Compensation Water.
I, JOSEPH HALL, Engineer of 63 Royal Exchange, Manchester in the County
of Lancaster do hereby declare the nature of this invention to be as follows:-
I
The object of my invention is to supply boilers with a superheated steam or
steam & hot water feed, the advantages of thus feeding being very great.
employ for my purpose a cylindrical shell, the lower portion of which contains a
fire grate, suitably lined with fire-brick to retain the heat. Above the firegrate is
arranged a series of tubular coils counected together, proper provision being made
for expansion & contraction in all parts of the apparatus. The upper portion of
the shell-that above the firegrate & surrounding the coils-is made with a double
casing, the annular space between the two casings being filled with sand, or other
suitable non-conducting material, to prevent loss of heat by radiation. Fire brick
deflectors are used to control & direct the flow of the gases & other products of
combustion. I employ for the purpose of circulating and forcing the water through
the coils, any automatic lifting, or forcing injector capable of feeding with very
great variations in the steam pressure. Water forced by the injector into the
lower part of the first coil & traversing the entire series, is raised to a very high
temperature & passes into the boilers which are being supplied either as steam, or
by more or less regulating the quantity of water forced through the coils, hot
water may be passed into the boilers instead of steam.
Dated this 11th day of September 1893.
Rapid Steam Generator Combined with Injector for Feeding Boilers
with Steam and Compensation Water.
1, JOSEPH HALL, Engineer, of 63 Royal Exchange, Manchester, in the County
of Lancaster, 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:-
The object of my invention is to supply boilers with a steam or steam and hot
water feed, the advantages of thus feeding being very great.
1 employ for my purpose a cylindrical shell, the lower portion of which (A), see
drawing, contains a firegrate (B) suitably lined with fire-brick to retain the heat.
Above the firegrate is arranged a series of tubular coils, (C, D, E) connected
together, proper provision being made for expansion and contraction in all parts
of the apparatus. The upper portion of the shell (F) is made with a double
casing, the annular space between the two casings being filled with sand, or other
suitable non-conducting material, to prevent loss by radiation. A deflector (G)
of fire-brick or otherwise, is used to control and direct the flow of the gases and
other products of combustion.
For the purpose of circulating and forcing the water through the coils, I employ
an automatic injector (L) capable of feeding with very great variations in the
steam pressure.
Water forced by the injector into the first coil, and traversing
the entire series, is raised to a very high temperature, and passes into the boilers

page_text: which are being supplied either as steam, or by more or less regulating the quantity
of water forced through the coils, hot water may be passed into the boilers instead
of steam, when more water is required therein.
The temperature of the steam so passed into the boilers may be considerably
higher than the temperature of the steam due to the pressure in the boiler, and the
more highly the steam is superheated the greater will be the advantage obtained by
the arrangement.
In the drawing, the coil boiler is shown connected to a main boiler (M) by the
pipe (K). (N) is a try-cock on the pipe (K), (S) a safety valve, and (T) a
-combined check and stop valve where the pipe (K) connects to the main boiler.
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 ;-
The steam generator or coil boiler, with injector, as hereinbefore described and
illustrated, working in conjunction with any ordinary steam boiler or boilers, and
supplying same with highly superheated steam, or when required with hot water,
substantially as herein set forth and shown by the drawing.
Dated this 9th day of June 1894.
JOSEPH HALL.