Improvements in and relating to Regenerative Furnaces, for the Heating of Gas Retorts and the like
Year: 1897

page_text: . Date of Application, 1st Nov., 1897
Complete Specification Left, 28th July, 1898-Accepted, 1st Nov., 1898
PROVISIONAL SPECIFICATION.
ONAL SPECIFICATION.
Improvements in and relating to Regenerative Furnaces, for the
Heating of Gas Retorts and the like,
GEORGE HELPS, 79, Coventry Road, Hinckley, Gas Engineer, do hereby declare
the nature of this invention to be as follows:-
This invention has for its object the mixing of the gases generated from the
fuel before the same are allowed to come into contact with the secondary air and
also the dividing up of the same into numerous small streams by the use of
specially shaped bricks through which the generated gases are compelled to
pass before coming into contact with the secondary air.
Hitherto the arches used for covering over generators have been composed of
solid brickwork with the exception of exits or ports in the crown through which
the generated gases pass into the combustion chamber or retort setting.
In my improved furnace the arch covering the generator is composed of specially
shaped tubular bricks so arranged that the gases from the generator after entering
the inlets of the exit passage or port are caused to travel through tubular bricks in
the arch to any desired position in a distributing chamber. In this manner the
generated gases entering the mouth of an exit on the generator sidef near to the
front wall of the generator may be caused to travel to the back wall before being
allowed to enter the distributing chamber, and generated gases entering the mouth
of an exit on the generator side near the back wall of generator or setting may be
caused to travel to the front wall before being allowed to enter the distributing
chamber and in like manner the gases evolved from the generator in the centre
may be caused to pass into the distributing chamber near the back or front or
in any desired position.
The distributing chamber may extend from front to back of generator (or of the
setting) and all the exits from the generator open into it and so the gases become
thoroughly mixed, but before being allowed to pass into the combustion chamber or
setting they are caused to pass through openings on either side of the distributing
chamber of small area tapering from about 3 square inches on the combustion
chamber or setting side to about 1 square inch on the distributing chamber side,
and in this manner the gases are broken up and distributed evenly throughout the
whole length of the retort setting. These openings herein described in the sides
of the distributing chamber are exactly similar to those described for the breaking
up of the primary & secondary air in my Patent Specification No. 17530 1896
nd are intended to be used either separately or in conjunction with the secondary
ir arrangement therein described.
Dated this Thirtieth day of October One thousand eight hundred and ninetv
BOTON

page_text: Improvements in and relating to Regenerative Furnaces, for the
Heating of Gas Retorts and the like.
GEORGE HELPS, 8, Lansdowne Terrace, Manor Court Road, Nuneaton, Gas
Engineer, (late of 79, Coventry Road, Hinckley), 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 and relating to regenerative furnaces
for the heating of gas retorts and the like and the principal features of my im-
provements are:-
I. The mixing of the gases generated from the fuel and the dividing up and
distributing of the same before they are alowed to come into contact with the
secondary air.
II. The forming of a number of burners in one arch or oven whereby a number
of tiers of retorts can be heated from one generator independently of each other.
In the accompanying 5 sheets of drawings
Fig. I represents in part a front elevation and part a transverse sectional eleva-
tion, on the line CD of Fig. II, of a retort setting and part of a regenerative
furnace for heating the same, built, with tubular bricks or conduits, mixing and
distributing chamber, and having burners composed of several jets, in accordance
with my invention, and Fig. II is à section on the line A, B, of Fig. 1.
Fig. III represents in part, a front elevation, and part a transverse sectional
elevation, of a retort setting, and part of a regenerative furnace for heating the
same, built in a similar manner to that shewn in Fig. I. but with the addition
of a division or mid wall between the burners and tiers of retorts.
Fig. IV represents in part a front elevation and part a transverse sectional
elevation of a retort setting and part of a regenerative furnace for heating the
same similar to Fig. I. but arranged with a single line of burners in centre of
setting.
Fig. V shews a perspective view of a distributing brick through whose orifices
the generated gases issue from the distributing chamber similarly constructed to
those described for the breaking up of the primary and secondary are in my Patent
Specification No. 17530 1896.
Fig. VI shews a perspective, view of a tubular junction arch brick for communi-
cating between the generator A and the tubular conduit T.
Fig. VII shews a perspective view of a plain tubular arch brick.
Fig. VIII shews a perspective view of a tubular junction arch brick for com-
municating between the tubular conduits T and the uptakes J.
Fig. IX shews a perspective view of an uptake junction, arch brick.
Fig. X shews the section and the elevation of another form of brick with
which the tubes or conduits may be constructed. These bricks are shewn princi-
pally for illustrative purposes and various other forms are applicable.
In the drawings A is the generator Dany convenient number of retorts arranged
above and around the generator A. The outside wall is lettered E and the
generator wall F. The generator is divided from retort setting by an arch com-
posed of tubular bricks to be hereafter described. K is the distributing chamber
shewn in the form of an arch, it may be rectangular or any desired form to suit
the clusters of retorts, and is composed of two distributing bricks L as shewn in
Fig. I covered over with arch bricks or a curved tile M.

page_text: The gases evolved from the fuel in the generator A enter the arch G throug
the exit passages or ports H leading to the conduits T through which they ar
conducted to the uptakes J and thus into the distributing chamber K. In thi
manner the generated gases, entering the exit H in the generator side of the arch
near to the front wall of the generator, may be caused to travel to the back wall
or as in the drawings, Fig. I and II to the middle of the setting, before being
allowed to enter the distributing chamber; and in the same manner generator
gases entering an exit on the generator side of the arch near to the back wall, may
be caused to travel to the front wall before being allowed to enter the distributing
chamber if desired; and in a like manner the gases evolved from the generator
midway or between the front and back walls of setting or generator, may be caused
to pass directly into the distributing chamber as in the drawing see Fig. I. and II.
or conveyed to the back or front or any desired position in the distributing
chamber, being conducted to the uptakes J by tubes or passages in the arch over
the generator. The tubes or conduits in the arch G can be increased to any
number that the thickness and circumference of the arch will allow of.
The distributing chamber K extends from front to back of, the setting or the
generator and all the conduits T are connected with it by uptakes J and so the
gases become thoroughly mixed, and before being allowed to pass into the com-
bustion chamber or setting, they are caused to pass through openings on either
side of the distributing chamber, of small area tapering from about 3 square inches
on the combustion chamber side to about 1 square inch on the distributing chamber
side as shewn in Fig. 5 and in this manner the gases are broken up and dis-
tributed evenly throughout the whole length of the retort setting. These open-
ings are similar to those described in my Patent Specification No. 17530, 1896.
See drawing Fig. V.
The gases from the mixing chamber may be distributed throughout the setting
to form in conjunction with the secondary air inlets P any number of burners
that may be required for the heating of several tiers of retorts.
pas-
The generated gases issuing from passages N on either side of the distributing
chamber, meet the secondary air issuing from a parallel line of similar
sages P and thus two distinct burners are formed, one on each side of the dis-
tributing chamber, each composed of a number of small jets.
The composition of the generated gases issuing from the mixing chamber being
uniform, the combustion and consequent heating is uniform, and perfect, from front
to back of setting, and local heating is thereby avoided.
The gases produced by the combustion heat the retorts D on their way between
vertical walls 0 to the passage Q, which is common to all the vertical walls (that
is to say the openings between the vertical walls all communicated with it) whence
they pass as waste gases under the bottom retorts, and thence through any number
of Hues or passages to the main flue and chimney.
In Figure III a central or divisional wall R is shewn, dividing the burners and
tiers of retorts so that when it is required to use one tier of retorts only, the
lamper dividing the setting from the main flue and chimney, and the secondary
air inlet slides, may be closed, and also the distributing outlets of the chamber K
or which purpose a removable plug S, Fig. II is left in the front wall.
lampers &c. are closed on the side (right hand or left) as required.
These
In this manner the burners on one side only would be in action and conse-
uently only one tier of retorts would be heated to a working heat but the other
ier of retorts would be kept at such a temperature by convection and conduction
s could be readily increased to a working heat at a few hours notice and which
Fould be brought about by again opening damper, air slides, and distributing
utlets.
The arrangement of a single burner is shewn in Fig. 4 which is suitable for
arrow arches and for settings where it is not required to divide the retorts by
mid wall. The distributing brick shewn in centre of distributing chamber is
ormed by blocks as per Fig. 5.

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:―
I. In a generative or regenerative furnace for heating gas retorts and the like
the use and application of hollow arch blocks for conducting the gases from any
part of a generator to any position in a mixing chamber and distributing the same
therefrom.
II. In a generative or regenerative furnace the use and application of a central
mid wall for dividing two or more tiers of retorts with the combination of burners
for heating the different tiers conjointly or separately substantially as and for
the purposes described.
III. The general arrangement, construction, and combination of parts embody-
ing my improvements substantially as herein shewn and described.