IMPROVEMENTS IN THE ARRANGEMENTS OF KILNS AND FLUES FOR BURNING BRICKS, TILES, QUARRIES, AND OTHER LIKE ARTICLES, AND IN UTILIZING THE WASTE HEAT OF THE SAID KILNS, AND IN STOVES FOR DRYING BRICKS, TILES, QUARRIES, AND OTHER LIKE ARTICLES
Year: 1862

page_text: PROVISIONAL SPECIFICATION left by Andrew Woodhouse and Thomas
Hunter at the Office of the Commissioners of Patents, with their Petition,
on the 4th April 1862.
We, ANDREW WOODHOUSE, of Hindpool, Barrow-in-Furness, in the County
of Lancaster, Brick Manufacturer, and THOMAS HUNTER, the younger, of Hind-
pool, aforesaid, Brick Manufacturer, do hereby declare the nature of the said
Invention for "IMPROVEMENTS IN THE ARRANGEMENTS OF KILNS AND FLUES FOR
BURNING BRICKS, TILES, QUARRIES, AND OTHER LIKE ARTICLES, AND IN UTILIZING
THE WASTE HEAT OF THE SAID KILNS, AND IN STOVES FOR DRYING BRICKS, TILES,
QUARRIES, AND OTHER LIKE ARTICLES," to be as follows:-
Our Invention consists of the improvements herein-after explained in the
construction or arrangement of kilns for burning bricks, tiles, and other
articles, and in stoves for drying bricks, tiles, and other articles, the object of
our Invention being to use the waste heat obtained from one or more kilns to
heat the bricks or other articles in an adjoining kiln or kilus, and afterwards
to conduct, the said waste heat to stoves for drying bricks, tiles, or other
articles.
We build three or more kilns side to side, and in the side walls of the kilns
the firing holes are situated. The top of each of the kilns is covered by a per-
forated arch, and above the said perforated arch is an unperforated arch, a
considerable space being left between the two arches.
kilns vertical flues are made, which communicate at top with the space
In the end walls of the

page_text: between the two arches covering the top of the kiln. The said flues open at
their bottom ends into a main horizontal flue situated along the middle of the
kiln, but below the floor level of the said kiln. Each of the main horizontal
flues of the several kilns opens at one end into a flue running along one end of
the kilns, and at the other end into a flue communicating with the stove, On
either side and below the main horizontal flue, perforated flues are situated,
one end of the said perforated flues opening into the flue running along the
end of the kilns. The fire being lighted in one kiln, the heated air and pro-
ducts of combustion ascend therein and pass through its perforated arched top
into the space between the two arches covering the kiln. The heated air and
products of combustion then descend through the vertical flues into the main
horizontal flue. From the last-named. flue they pass into the horizontal end
flue, from whence they pass into the perforated flues of the adjoining kiln,
where the bricks or other articles are required to be dried preparatory to firing.
The heated air passes from the perforated flues into the kiln, and circu-
lates about it in the manner already described with respect to the first kiln.
The heated air, after circulating about the required number of kilns, finally
escapes by the main flue of the kiln to the stove or stoves. Small fires are
made in the stoves used for drying, by which the combustible portion of the
gases is burned. By means of dampers in the main middle flues, the heated
air and products of combustion produced from the burning kiln or kilns may
be made to circulate through any kiln or kilns of the series used for drying
purposes. When all of the kilns are being fired at the same time, all the
dampers of the main flues are opened, so that the heated air and products of
combustion may pass directly from the said flues to the stoves.
The stoves which we prefer to use with the series of kilns described are of
the ordinary construction, with the following additions:-The ends of the main
flues conveying the heated air from the kilns open into a horizontal flue run-
ning along the side of and below the level of the floor line of the stove. A
series of horizontal flues open into this side flue, the said horizontal flues
opening under the firing holes of the stove, at which firing holes further com-
bustion of the combustible gases takes place. The products of combustion
pass into other horizontal flues above the firing holes, and finally escape into
small flues under the bottom of the stove, and from thence to the chimney.