Improvements in Apparatus for Use in the Manufacture of Artificial Fuel.
Year: 1895

page_text: Date of Application, 20th Mar., 1895
Complete Specification Left, 20th Dec., 1895-Accepted, 22nd Feb., 1896
PROVISIONAL SPECIFICATION.
Improvements in Apparatus for Use in the Manufacture of
Artificial Fuel.
I GEORGE HAYCRAFT of Pontardulais, in the County of Glamorgan, Civil
Engineer, do hereby declare the nature of this invention to be as follows:-
The subject of the present invention has reference to the manufacture of
artificial fuel from ground coal and pitch, which are mixed together in a dry state,
before being subjected to treatment by heat and pressure, whereby fuel blocks or
briquettes are produced.
The object of the invention is to ensure regularity in the mixing of the ground
coal and pitch, without which the fuel must suffer in economy of manufacture, or in
quality, or both.
In carrying out my invention, I place the coal and pitch hoppers side by side,
and I arrange beneath them two inclined trays. The larger and lower tray
receives the coal direct from its hopper. The smaller tray is placed above the
larger tray, and receives the pitch, and afterwards delivers it onto the larger
or coal tray, which extends longitudinally beyond the pitch tray in both
directions.
Both trays are hinged to the fixed framing of their respective hoppers at their
higher ends, but at or near lower ends they are supported by a strap or link
attached above to a crank or other mechanical device for giving a jig or shake to
the two trays.
By this arrangement, the ground pitch and coal can be mixed with the greatest
precision, before going into the pug-mill, which may be placed near, to receive the
mixture which falls from the lower tray.
The operation of mixing is entirely under the eye of the attendant, who can
vary the degree of inclination of the trays from time to time, if desired, to increase
or diminish the feed, and can detect at a glance and remedy any regularity in the
feed of either the coal or pitch.
Dated this 20th day of March 1895.
NEWTON & SON,
Agents for the Applicant.
COMPLETE SPECIFICATION.
Improvements in Apparatus for Use in the Manufacture of
Artificial Fuel.
1, GEORGE HAYCRAFT of Pontardulais, in the County of Glamorgan, Civil
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 has reference to the manufacture of artificial fuel from
fine coal and pitch, which are mixed together in a dry state before being
subjected to treatment by heat and pressure, for the production of fuel blocks or
briquettes.

page_text: The object of the invention is to ensure regularity in the mixing of the fine coal
and pitch, without which the fuel must suffer in economy of manufacture, or in
quality, or both.
In the accompanying drawing I have shewn apparatus embodying my invention,
Fig. 1 of which is a longitudinal sectional elevation, and Fig. 2 is a transverse
vertical section.
A is a structure or framing, preferably of wood, for supporting the coal and
pitch hoppers, and the mixing trays or shakers.
B is the hopper for fine coal, and C is the hopper for pitch, which, if desired,
may have been ground with a small proportion of coal, to prevent clogging or
balling in the hopper.
The hopper B delivers onto the higher end of an inclined tray D, which is
hinged to the framing at d, and is so placed as to be in proximity to the discharge
opening of the said hopper. The dimensions of the discharge opening may be
regulated by a sliding door 6', carried by the inclined bottom board 6 of the
hopper B.
Beneath the pitch hopper C, is arranged the short inclined tray E, hinged at e
to the framing and overlying the tray D, but not extending longitudinally as far
in either direction.
The pitch from the hopper C, the discharge opening of which is regulated by the
sliding door c¹, carried by the inclined bottom board c, descends on to the tray E,
and from thence passes to the tray D, to meet the ground coal thereon.
The lower ends of the hinged trays D and E are supported by a strap ƒ, pendent
from a crank F, to which is imparted rotation in any suitable manner. Thus, a
jigging or shaking motion is imparted to the two trays, so that the descent of the
coal and pitch from their hoppers is facilitated, and the mixing of the two
materials, on reaching the tray D together, is effected.
By this arrangement, the fine pitch and coal can be mixed with the greatest
precision before going into the pug-mill, which may be placed near to receive the
mixture which falls from the lower tray.
The operation of mixing is entirely under the eye of the attendant, who can
vary, by means of the strap, the degree of inclination of the trays from time to
time, if desired, to increase or diminish the feed, and can detect at a glance, and
remedy, any irregularity in the feed of either the coal or pitch.
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 :-
The hereinbefore described apparatus for mixing fine coal and pitch in the
manufacture of artificial fuel, such apparatus comprising hoppers for the said coal
and pitch, arranged near together, and inclined jigging trays or shakers placed
immediately below the hoppers, to receive the contents therefrom in regulated
quantity, one tray delivering onto the other, to mix the materials, substantially as
.set forth.
Dated this 18th dow of December 1905
NEWTON & SON,
Agents for the Applicant.