Improvements in Ovens or Kilns for Ceramic Ware and other Articles.
Year: 1899

page_text: Date of Application, 15th Nov., 1899-Accepted, 20th Jan., 1900
COMPLETE SPECIFICATION.
Improvements in Ovens or Kilns for Ceramic Ware and other
Articles.
I, EWALD SCHROEDER, of 106A, Mauritiuswall, Cologne, in the Empire of
Germany, 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:-
The present invention is designed to provide an oven for porcelain ceramic or
other articles in which the heat remaining in the oven after it has ceased to be
heated is used for heating to a high temperature air which is led underneath
the grate of the next oven which is being heated thus to obtain an intense
heating effect.
In the accompanying drawings.
Fig. 1, shows a longitudinal section along A, B.
Fig. 2, a horizontal section along C, D.
in
In the drawing there are three chambers a b c of the oven or kiln shown of
which the chamber a has ceased to be heated and is cooling. Chamber b is burn-
ing at full whilst chamber e is receiving a preliminary heating. In the partition
walls between the separate chambers there are on one side passages which lead
from top to bottom of the wall also openings e which can be closed by dampers.
There are tubes y from above passing down into the passages d which are supplied
with high pressure steam or compressed air from a main pipe h above the oven.
The steam or compressed air issuing from the tube acts in the passages
the manner of an ejector and draws the heated air violently out of the chamber a
across the glowing hot bricks and conducts it to the ash-pit so that it then
flows through the fuel on the grate k. The hot air passes out of the chamber b
through the openings e in the wall between the chambers b and c to the chamber e.
As soon as the bricks in the chamber have ceased to be heated the ejectors in
the wall between b and c are are put in action and draw the heated air out of the
chamber b and force it into the ash-pit 7 of the grate in the chamber e whence it
passes through the fire on the grate in in order to bake or burn the articles in the
chamber whilst at the same time a cooling of the bricks in chamber b
commences.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed I declare that what
I claim is:
9
1. Ovens or kilns for making use of air heated by passing through a chamber
in which the heating has ceased as the air supply for the chamber which is being
heated constructed with an arrangement of steam and air-ejectors g in the vertical
shafts of the walls which separate adjacent chambers which draw out the air
from the chamber which has ceased to be heated and force it under the grate i
of the next chamber b which has to be heated and with openings e which connect

page_text: the chambers with each other between the vertical shafts in the walls which
separate the chambers.
2. Ovens or kilns for ceramic ware and other articles constructed and arranged
substantially as and for the purposes described and shown.
Dated this 14th day of November 1899.
WM. P. THOMPSON & Co.,
6, Bank Street, Manchester, Patent Agents.