Year: 1886

page_text: I, JOHN MARTIN STANLEY, of 17, Constance Road, Champion Hill, in the County
of Surrey, Furnace Engineer, do hereby declare the nature of this invention to be
as follows:
The object of this invention is to economise fuel, and to abate the smoke
nuisance; and this invention may be applied to the fire places of steam boilers,
brewers' coppers, heating, puddling, melting, and other furnaces.
To attain this object, I construct an enclosed, or air tight, vault under the fire-
bars. This vault is provided with a suitable door attached to the front, which may
be opened or closed at pleasure for any purpose required. This door projects a
convenient distance from the face or front of the boiler or furnace. Into this
projecting part of the vault, at a suitable or convenient place, I attach a pipe
through which a current of air is induced or propelled for the purpose of obtaining
a pressure under the fire, and into it when the boiler or furnace is in operation.
In addition to this, attach another pipe in another convenient part of the front
end of the vault for the purpose of conveying a natural current of air into a hot air
oven, or interstice, formed at the end of the fire in or near the bridge. This pipe,
which is open to the atmosphere in the front, passes under the fire bars and
through the vault into the oven or interstice, and delivers the air therein at the
natural pressure which is less than the pressure of the air in the vault under the
fire bars. In the upper part of this oven or interstice, I provide suitable per-
forations or outlets for the passage of the hot air, mingling it with the escaping
gases, effecting thereby their more complete combustion.
The object of conveying the air into the oven or interstice at a lower pressure
than the air in the vault beneath the bars, is to prevent that loss of combustible
power in the fire grate which invariably is the consequence when the air.is freely
admitted at the end of the fire place, and allowed to mingle with the escaping
gases at the same pressure as under the bars.
For the purpose of obtaining an induced or propelled current of air into the
vault under the fire, I inject a jet of steam into the open end of a suitably shaped
pipe which conveys the steam and air and creates a pressure under the bars and
into the fire.

page_text: Improvements in Smoke Consuming Fire Places.
I JOHN MARTIN STANLEY of 17 Constance Road Champion Hill East Dulwich
in the County of Surrey 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 :-
These Improvements consist in the arrangements and construction of fire places
or furnaces used for generating steam, boiling or evaporating liquids puddling iron,
smelting ores, melting metals heating iron steel or other metals, or for other similar
purposes where intense heat is required and these improvements may be applied to
boilers brewing coppers reverberatory melting heating annealing evaporating and
other furnaces.
The accompanying drawings are intended to illustrate the general formation of
the fire place and the arrangements for conveying and applying the necessary air at
a forced pressure for the combustion of the solid fuel on the bars or bed of the fire
place and also for conveying the necessary air at its natural pressure into the
smoke and escaping gases at or near the bridge of the fire place.
Fig. 1. shews the front end of a boiler with projecting external end of air vault
or receptacle under the bars or bed of the fire place.
a. shews external end of a pipe into which a current of air is induced or forced
into the vault beneath the fire bars.
b. shews external end of another pipe through which the air passes into the
cavity formed in the bridge at the end of the fire place.
c. c show the bars or bed of the fire place upon which the solid fuel is placed for
combustion.
d. d. show the closed fitting doors at the front end of the air vault or receptacle
which may be opened at pleasure for raking out the ashes or for any other
desirable purpose.
e. e. shows a cavity formed in the bridge through which the air passes into and
amongst the smoke and escaping gases at the end of the fire place.
Fig. 2 shows a longitudinal section of the fire place with the air vault ƒ. f. f. f air
passages and the cavity formed in the bridge referred to by the letters mentioned
above.
Fig. 3. shows a plan of the boiler and fire place at a b.
The admission of air into the air pipes a and b may be regulated or adjusted by
the usual means of cocks or regulators.
The introduction of air into and amongst the smoke and escaping gases near the
bridge at a lower pressure than the air under the superincumbent fuel obviates the
loss of combustible power in the fire place which is the invariable consequence
whenever the air is admitted near the bridge at the same pressure as under the
bars-It is a notorious fact that the consumpton of smoke by the admission of air
above the solid fuel at the same pressure as the air beneath it reduces the com-
bustible power in the fire place to a considerable and serious extent.

page_text: 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 construction and application of fire places with closed air vaults in
receptacles and air pipes and channels substantially as herein described and
illustrated for the economizing of fuel and the abatement of smoke by the intro-
duction of air artificially induced or forced supply of air into and amongst the
superincumbent fuel whilst in a state of combustion on the bed of the fire place
and at the same time free introduction of air into and amongst the smoke and
volatile gases at or near the bridge of the fire place at the natural pressure of the
atmosphere.