Improvements in Smoke Consuming Apparatus for Steam Boilers and other purposes.
Year: 1895

page_text: Date of Application, 17th July, 1895
Complete Specification Left, 16th Apr., 1896-Accepted, 16th May, 1896
Improvements in Smoke Consuming Apparatus for Steam Boilers
and other purposes.
I, JAMES WYNN, of 61 Sackville Street, Manchester, in the County of Lancaster,
Packing Case Maker, do hereby declare the nature of this invention to be as
follows :-
My invention relates to improvements in smoke consuming apparatus particularly
applicable to steam boilers and the object of my improvements is to consume smoke
and economise fuel.
In applying my invention to a steam boiler I conduct air and a small quantity of
illuminating gas to a point beyond the bridge where the gas is ignited by the flame
from the furnace and as the gas burns it ignites the smoke and heated gases as
they pass over the bridge and so promotes perfect combustion and consumes the
smoke.
-A convenient arrangement for each furnace flue consists of two pipes open to
the atmosphere and placed preferably immediately below the fire bars and close
to the sides of the flue so as to be out of the way; into one (or both) of these pipes
near the front of the boiler is inserted a small gas pipe on one portion of which
I prefer to place a Bray or other suitable gas burner to limit the quantity of gas
admitted; these air pipes and the gas pipe pass under and beyond the bridge where
the air pipes are curved and joined to a short length of pipe in the centre of the
flue through which the gas pipe extends and by which pipes the air and gas enter
the flue and the gas is ignited by the flame from the furnace and continues to burn
until the supply of gas is cut off.
In order to consume the smoke and gases more effectually I propose to form the
bridge of a special shape; in place of being straight across the top as now customary
I curve the bridge making it much higher at the corners than in the centre so that
the passage for the escape of the smoke and products of combustion is of nearly
an oval form; this shape gathers the smoke and gases to the centre of the
flue and brings them into contact with the burning gas where they are ignited and
pass through the flue in a burning state thereby materially increasing the heat
and economising fuel.
Dated this 16th day of July 1895.
H. B. BARLOW & GILLETT,
Agents for Applicant.
Improvements in Smoke Consuming Apparatus for Steam Boilers
and other purposes.
I, JAMES WYNN, of 61 Sackville Street, Manchester, in the County of Lancaster,
Packing Case Maker, 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 smoke consuming apparatus particularly

page_text: applicable to steam boilers and the object of my improvements is to consume smoke
and economise fuel.
In applying my invention to a steam boiler I. conduct air and a small quantity of
illuminating gas to a point beyond the bridge where the gas is ignited by the flame
from the furnace and as the gas burns it ignites the smoke and heated gases as
they pass over the bridge and so promotes perfect combustion and consumes the
smoke.
A convenient arrangement for each furnace flue consists of two pipes open to the
atmosphere and placed preferably immediately below the fire bars and close to the
sides of the flue so as to be out of the way; into one (or both) of these pipes near
the front of the boiler is inserted a small gas pipe; these air pipes and the gas pipe
pass under and beyond the bridge where the air pipes are curved and joined to a
short length of pipe in the centre of the flue through which the gas pipe extends
and by which pipes the air and gas enter the flue and the gas is ignited by the
flame from the furnace and continues to burn until the supply of gas is cut off.
And in order that my invention may be fully understood and readily carried into
effect will describe the accompanying sheet of drawings reference being had to
the figures and letters marked thereon.
Figure 1 is a sectional elevation, Fig. 2 an end elevation and Fig. 3 a plan,
partly a section, of a two flued boiler to which my improvements are applied.
In these views, a designates the shell of the boiler & the furnace flues, c the fire
bars and d the bridge.
In each furnace flne bare placed two air pipes e el with bell mouths open to the
atmosphere at the outer end and at the inner end the pipes e e' are curved and
united to a short upright pipe with a bent neck pointing towards the inner end
of the flue as clearly shown in Figs. 1 and 2. A gas pipe g controlled by a tap h
is fitted in each air pipe e¹ and extends inwardly terminating just inside the mouth
of the neck of the pipe f.
After the fires have been lighted in the furnaces, gas is turned on through the
pipes g and issuing through the neck of the pipes fis ignited by the flames of the
furnaces whereby smoke is consumed and a great heat generated.
It is obvious that the gas and air pipes might be differently arranged for
example, they might be led to the pipe f from the back instead of the front end
of the boiler.
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. The combination with the furnace flue of a boiler, of a gas and air supply
conducted to a point beyond the bridge and there ignited to promote perfect
combustion and the consumption of smoke substantially as herein set forth.
2. The combination with the furnace flue b, of the air supply pipes e e¹ junction
pipe and gas supply pipe y all arranged and operating substantially as and for
the purposes herein set forth.
Dated this 15th day of April 1896.
H. B. BARLOW & GILLETT,
17 St. Ann's Square, Manchester, Agents for Applicant.