Improvements in Apparatus for Superheating Steam.
Year: 1895

page_text: Date of Application, 4th Oct., 1895
Complete Specification Left, 4th July, 1896-Accepted, 5th Sept., 1896
Improvements in Apparatus for Superheating Steam.
I, THOMAS BEELEY, of Hyde Junction Iron Works, Hyde in the County of
Chester, Engineer, do hereby declare the nature of this invention to be as
follows:-
:―
My invention relates to improvements in apparatus for superheating steam and
the chief object of my improvements is to regulate the temperature and dryness of
the steam so as to suit any particular purpose.
In carrying out my invention I employ any convenient number of cylinders
preferably formed of boiler plate and placed in a chamber or oven which may be
contiguous to the main flue from the boilers to the chimney and is heated by the
waste gases.
In one construction I divide each cylinder by a diaphragm or plate of metal
which extends from the top to within a short distance of the bottom of the cylinder
and I conduct the steam from the generator into one division of the top of one of
the cylinders whence it flows downward and returns up the other division of the
cylinder and thence is conducted into the top of the first division of another
cylinder, when more than one is employed, down this and up the other division into
another cylinder and so on, the steam passing from the last cylinder into the steam
supply pipe to be used as required. Each cylinder is provided at or near the
bottom which is preferably concave, with a pipe connected to a steam trap to
allow the water of condensation to escape.
In place of the cylinders divided into compartments as described U shaped or
other bent pipes might be employed to pass the steam through, means as before
described being employed to draw off any condensed steam.
In order to regulate the temperature in the chamber or oven in which the
cylinders or pipes are fitted I control the inlet and outlet for the waste gases by
means of adjustable dampers so as to regulate the flow of heated gases through the
chamber.
By adjusting one or both dampers any desired temperature within certain
limits may be obtained in the chamber and the steam be superheated to any degree
required.
The inlet pipe for steam to the cylinders and the pipe for conducting the steam
away when superheated are connected by a pipe and suitable valves so that the
superheating apparatus may be cut off and steam conducted direct from the
generator to the steam supply pipe when necessary and in this way some saturated
steam can be readily mixed with the superheated steam if required.
To heat the feed water and prevent the over heating of the steam I propose to
employ any convenient arrangement of pipes in the superheating apparatus and
circulate the feed water through these pipes whence the feed water is taken either
directly to the boilers or for other uses.
The covers of the cylinders are secured by bolts to allow of internal inspection
of the cylinders and a door to admit of inspection of the outside of the cylinders is
made in one of the walls of the chamber; also a safety valve may be placed upon
the superheater in order to relieve any excessive pressure.

page_text: Suitable scrapers for cleaning the outside of the cylinders or U pipes may be
adopted.
Dated this 3rd day of October 1895
H. B. BARLOW & GILLETT,
Agents for Applicant.
Improvements in Apparatus for Superheating Steam.
I, THOMAS BEELEY, of Hyde Junction Iron Works, Hyde, in the County of
Chester, 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 :—
My invention relates to improvements in apparatus for superheating steam and
the chief object of my improvements is to regulate the temperature and dryness of
the steam so as to suit any particular purpose.
In carrying out my invention I employ any convenient number of cylinders
preferably formed of boiler plate and placed in a chamber or oven which may be
contiguous to the main flue from the boilers to the chimney and is heated by the
waste gases.
In one construction I divide each cylinder by a diaphragm or plate of metal
which extends from the top to within a short distance of the bottom of the
cylinder and I conduct the steam from the generator into one division of the top of
one of the cylinders whence it flows downward and returns up the other division of
the cylinder and thence is conducted into the top of the first division of another
cylinder, when more than one is employed, down this and up the other division into
another cylinder and so on, the steam passing from the last cylinder into the steam
supply pipe to be used as required. Each cylinder is provided at or near the
bottom which is preferably concave, with a pipe connected to a steam trap to
allow the water of condensation to escape.
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.
Figure 1 is a side view and Fig. 2 a plan of my improved apparatus for
superheating steam.
In these views, a designates a boiler, the main flue from the boilers to the
chimney, and c the chamber or oven which is heated by the waste gases.
In the chamber e are placed any required number of cylinders d, in this instance
three such cylinders are shown, each cylinder being divided by a diaphragm or
division plate d'. The boiler a is connected to one division of the first cylinder d
by a pipe controlled by a valve e, and the other division is connected to one
division of the second cylinder d by a pipe f1. The other division of the second
cylinder d is connected to one division of the third cylinder d by a pipe f" and the
other division of the third cylinder has connected to it an outlet pipe g controlled
by a valve h.
Steam thus flows from the boiler through the pipe f down one side of the
division plate d¹ and up the other side in the first cylinder d through the pipe fi
into the second cylinder d and thence through the pipe finto the third
cylinder finally passing away through the pipe g to the point where it is to
be used.
Each cylinder d is connected at the bottom to a pipe which is connected to
a steam trap, not shown, through which the water of condensation is allowed to
escape.
In place of the cylinders & divided into compartments as described, shaped or

page_text: other bent pipes might be employed to pass the steam through, means as before
described being employed to draw off any condensed steam.
In order to regulate the temperature in the chamber or oven c in which the
cylinders d or U pipes are fitted, I control the inlet and outlet for the waste gases
by means of adjustable dampers k k¹ so as to regulate the flow of heated gases
through the chamber.
By adjusting one or both dampers kk any desired temperature within certain
limits may be obtained in the chamber c and the steam be superheated to any
degree required.
The inlet pipe f for steam to the cylinders and the pipe g for conducting
the steam away when superheated are connected by a pipe / controlled by a valve m
so that by closing the valves e and h the superheating apparatus may be cut off
and steam conducted direct through the pipe and valve m from the generator
to the steam supply pipe g when necessary and in this way by regulating the
valves some saturated steam can be readily mixed with the superheated steam if
required.
To heat the feed water and prevent the over heating of the steam I propose to
employ any convenient arrangement of pipes n in the superheating apparatus
and circulate the feed water through these pipes n up and down in the cylinders d
whence the feed water is taken either directly to the boilers or for other uses.
The covers of the cylinders d are secured by bolts o to allow of internal
inspection of the cylinders and a door p to admit of inspection of the outside of the
cylinders is made in one of the walls of the chamber c; also a safety valve, not
shown, may be placed upon the superheater in order to relieve any excessive
pressure.
Any suitable arrangement of scrapers for cleaning the outside of the cylinders
or U pipes may be adopted.
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. In combination with a boiler or series of boilers, the chamber or oven c heated
by the waste gases in their passage from the main flue to the chimney, a series of
cylinders divided by diaphragms, or equivalents such as U shaped pipes, and
connections whereby the steam is conducted from the boiler up and down and from
one cylinder to another finally passing superheated from the last cylinder into the
steam supply pipe substantially as herein set forth.
2. The combination with my improved apparatus for superheating steam, of an
arrangement of pipes such as the pipes n for heating the feed water substantially
as herein set forth.
Dated this 2nd day of July 1896.
H. B. BARLOW & GILLETT,
17 St. Ann's Square, Manchester, Agents for Applicant.