Improvements-in-and-relating to-Smoke-consuming Furnaces.
Year: 1897

page_text: Date of Application, 27th Aug., 1897-Accepted, 9th Oct., 1899
Improvements-in-and-relating to-Smoke-consuming Furnaces.
I, JULIUS WEZEL, Manufacturer, of Dresdnerstrasse 17, II, Leipzig in the
Empire of Germany, 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:-
This invention relates to improvements in oblique grates by means of which it
is possible to burn advantageously in a smokeless manner combustibles which
develop a great heat at their combustion without affecting the good state of the
grate.
In the annexed drawing Fig. 1 is a longitudinal section of the improved fireplace
or grate.
Fig. 2 is a front view and part cross-section.
Fig. 3 is a vertical section of the middle door.
Fig. 4 front view thereof.
Fig. 5 is a crow bar poker intended especially for the said door.
Fig. 6 is a grate divided into more parts than Fig. 1.
The escape of the heating gases is here obtained by making the escape channel
for the same to begin immediately behind the grate, without any intermediary or
collecting chamber and to rise immediately in f from the end of the grate-bars d,
the fire bridge 9 being only provided as a limit to the draught channel. Thus the
fire gases pass immediately to their escape outlet and do not hinder the passing
of the combustion air through the grates a, b and d and the door C.
As shown in Fig. 6 the grate may also be divided into more steps or divisions,
so that the coal while being burnt through has to pass, instead of one grate-bar b,
Fig. 1 two or more grate-bars b, c, Fig. 6.
On the other hand between the grates 6 and d and a and b Figs. 1 and 2
respectively, cand d, b and c, a and b, Fig. 6, there is inserted a cooling
pipe D, D; D through which cold water from a pipe E runs uninterruptedly and
the heated water of which is guided away through the pipe F, for further use in
any convenient manner.
The cold water is admitted at D, then passes to D¹ and D1 and D2, Fig. 6, and
from thence away through F.
The pipes D, D1 and D2 which are inserted closely under the grate-heads of the
bars b, a and c cross under the grates and cool the latter.
Simultaneously the cooling effect of these pipes assists the admission of air to
the fire.
The treatment of the fire is as follows:-Before fresh combustible material is
passed through the door A, the material at the door B being in combustion
on 6 or b and c, is moved forwards to d and hereby the material already heated
on a slides onto the grate b.
In order to do this in a convenient manner the doors B and B', Fig. 6, which
must be completely opened when the fire is drawn from the furnace, is provided
with holes m covered with doors h, see Fig. 4.
After these openings m have been opened by means of the poker, Fig. 5, the

page_text: end k of the latter is introduced into the fire, which however it cannot enter
further than the swelling n, in order not to move the burning fire too far forwards,
this movement is however sufficient for the necessary further removal of the
combustible from the grates b, and b and c in order to conduct it as thoroughly
burnt material to the grate d where, under the admission, through the grate-like
formed door C and the grate d, of the air previously warmed, the combustible is
burned in a complete manner and effects the escape of the fire-gases without
smoke.
In order to observe the fire at the doors B, B', (Figs. 1, 2 and 6) the same are
provided with holes i (Figs. 3 and 4) which remain always open by means of the
described construction of these doors and their being opened when the fire is
stirred the outflowing of the fuel as well as injurious air entrance is prevented.
The improvements may be used easily in oblique grates and in grates generally.
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. An improved smoke consuming oblique grate for combustibles developing
great heat in which the conducting channel for the fire gases begins immediately
at the end of the grate.
2. For cooling the grates and for admitting air, the cooling tubes inserted under
the various divisions of the fire grates or bars, of which the grate may be composed.
3. The fire stoking openings between the grates closed by doors with openings
therein closable by covers, for introducing the poker, with spy holes, or a door
perforated in a grate like manner.
4. In the smoke consuming device as under Claim 1, the poker to be used with
the doors provided with a swelling thereon so that the poker can only be passed a
certain distance through the openings of the door.
All substantially as illustrated and set forth.
Dated this 27th day of August 1897
HERBERT HADDAN & Co.,
18 Buckingham Street, Strand, Agents.