IMPROVEMENTS IN APPARATUS FOR DRYING MALT OR OTHER SIMILAR SUBSTANCES
Year: 1884

page_text: RUUVIDIONAL
SPECIFICATION.
I EDWARD GARDNER COLTON, of the firm of Popplewell Colton & Co., of
Victoria Chambers, Southampton Buildings, in the County of Middlesex, Fellow of
the Institute of Patent Agents, do hereby declare the nature of the said Invention
for "IMPROVEMENTS IN APPARATUS FOR DRYING MALT OR OTHER SIMILAR
SUBSTANCES
"
This Invention relates to malt (or like) drying apparatus in which the malt is dried
by a continuous process after passing through the germinating or sprouting stage.
This Invention consists principally in the combination with an exterior casing of
two or more vertical series of conically tapered horizontal rotary drums, the drums
of each series and the adjacent drums of adjoining series being arranged so that
the smaller ends alternate with the larger both in vertical and lateral directions
(or cylindrical drums with their axes suitably inclined to each other) means for
conducting the malt from drum to drum of a series and an elevator or elevators for
conveying the malt from the lower drum of one series to the upper drum of another
series. By this construction the apparatus combines the properties of compactness,
Bimplicity and efficiency.
The apparatus consists of an exterior casing of suitable sheet metal which is
contracted at the lower part and connected by suitable air flues to the furnace or
other source of heat from which air heated to the proper temperature required for
drying is supplied.
The air flues are provided with a hood that serves as a deflecting and distributing
diaphragm for the heated air. The upper part of the casing is also contracted and
forms a chimney or uptake by which an upward draft is established through the
middle portion of the casing. In the middle wider part of the casing are arranged
one or more vertical tiers of wire cloth drums which are made of conically tapering
shape which form takes up less space and is better adapted to shed the malt from
one drum to the next adjoining drum of the same tier. The drums are supported
by spider frames the hubs of which are keyed to central shafts which pass through
openings of one of the transverse end-walls of the casing and of a transverse
partition wall near the opposite end-wall of the same, the shafts being supported in
bearings outside the transverse-end and partition-walls which bearings are supported
[Price 6d1

page_text: on brackets secured to said walls. The drums of each vertical tier receive slow
rotary motion by a series of intermeshing gear wheels applied to the outer ends of
the shafts, the lowermost shaft of each tier being connected by pulley and belt or
other suitable transmission from a power shaft near the apparatus. In case
drums of cylindrical shape are employed they are supported at suitable angles of
inclination but in alternately opposite direction to each other so that the malt can
pass successively from one drum to the other of each tier. By using drums of
conical shape the shafts are supported in horizontal position and the drums
arranged close to each other in such a manner that alternately the wider end of
one drum is vertically below the narrow end of the next drum.
Fixed shoots extend alternately from the end wall of the casing and the partition
wall into the narrower end of each drum, said shoots serving to shed the malt that
is dropped on the same from the wider end of the next adjoining drum above into
the narrower end of the drum below. The malt is conducted through a trunk
that passes through the top of the casing on to the shoots of the uppermost drum
then conveyed through the same and dropped from the wider end onto the shoot of
the opposite wall and from the same into the narrower end of the next drum then
through the third drum and so on through all the drums of the tier. From the
lowermost drum of the first tier of drums the malt is conveyed by a shoot to a well
of a bucket elevator which extends in a diagonal direction from the lowermost
drum of the first tier to the uppermost drum of the next adjoining tier; the
buckets discharging into a hopper and inclined conveying channel into the narrower
end of the uppermost drum of the next tier then through the drums of this tier
and over the shoots of the same to the lowermost drum and through a conveying
shoot at the lowermost part of the same to the well of a second elevator by which
the malt is hoisted to the uppermost drum of the third tier then passed through the
drums of this tier and finally conveyed by a hopper and discharge channel that
passes through the casing to a suitable storage bin. The elevators are located in
the space between the partition wall and the opposite end wall of the casing and
receive motion by suitable transmission from a power shaft. The sprout malt is
conducted from the malt floors to the drying apparatus and passed successively
through the drums of the same by which it is continuously turned so that every
portion thereof is exposed to the drying action of the heated air till it is completely
and uniformly dried when leaving the drying apparatus. When three tiers of
drums are arranged it passes three times from the upper part of the casing which
has a lower temperature to the lower part of the drier where the temperature is
higher so that a gradual and uniform drying takes place without any formation by
so called "glass malt" that is obtained when the malt is exposed to a too-highly
heated air. The small germs or sprouts are screened off through the meshes of the
wire cloth drums and finally conducted over the inclined surface of the covering
hood to the lower part of the casing where they are conducted off in a suitable
manner. By this apparatus a continuous dropping of the sprouted malt can take
place without requiring the expensive drying kilns and malt turning appliances so
that the malt is thereby dried at considerably less expense for fuel than with malt
kilns heretofore in use.

page_text: COMILEIE
DIEUTICATION.
I EDWARD GARDNER COLTON of the firm of Popplewell Colton and Co of
Victoria Chambers, Southampton Buildings in the County of Middlesex Fellow of
the Institute of Patent Agents do hereby declare the nature of the said Invention
for "
IMPROVEMENTS IN APPARATUS FOR DRYING MALT AND OTHER SIMILAR
SUBSTANCES," 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 malt (or like) drying apparatus in which the malt is
dried by a continuous process after passing through the germinating or sprouting
stage.
The Invention consists principally in the combination with an exterior casing of
two or more vertical series of conically tapered horizontal rotary drums, the drums
of each series and the adjacent drums of adjoining series being arranged so that
the smaller ends alternate with the larger both in vertical and lateral directions,
(or cylindrical drums with their axes suitably inclined to each other) means for
conducting the malt from drum to drum of a series, and an elevator or elevators
for conveying the malt from the lower drum of one series to the upper drum of
another series.
By this construction the apparatus combines the properties of compactness,
simplicity and efficiency.
In the accompanying Drawings Fig. 1. represents a vertical longitudinal section
on line c. c Fig. 2 through my improved malt drying apparatus.
Figs. 2 and 3 are vertical transverse sections of the same respectively on lines x. x.
and y. y Fig. 1. similar letters of reference indicate corresponding parts.
A represents an exterior casing of suitable sheet metal which is contracted at the
lower part and connected by suitable air-flues to the furnace or other source of
heat from which air heated to the proper temperature required for drying is supplied.
The air flues B are provided with a hood B¹ that serves as a deflecting and
distributing diaphram for the heated air. The upper part of the casing A is also
contracted and forms a chimney or uptake B by which an upward draft is
established through the middle portion of the casing A. In the middle wider part
of the casing A are arranged one or more vertical tiers of wire cloth drums C
which are made of conically tapering shape which form takes up less space and
is better adapted to shed the malt from one drum to the next adjoining drum of
the same tier. The drums C are supported by spider frames C' the hubs of which
are keyed to central shafts D which pass through openings d of one of the
transverse end walls of the casing A and of a transverse partition wall A¹ near the
opposite end wall of the same the shafts being supported in bearings e outside of
the transverse end and partition walls which bearings are supported on brackets e¹
secured to said walls.
The drums of each vertical tier receive slow rotary motion by a series of inter-
meshing gear-wheels f applied to the outer ends of the shafts D the lowermost
shaft of each tier being connected by pulley and belt or other suitable transmission
from a power shaft near the apparatus. In case drums of cylindrical shape are
employed they are supported at suitable angles of inclination but in alternately
opposite direction to each other so that the malt can pass successively from one
drum to the other of each tier. By using drums of conical shape the shafts are
supported in horizontal position and the drums arranged close to each other in
such a manner that alternately the wider end of one drum is vertically below the
narrower end of the next drum. Fixed chutes E extend alternately from the end
wall of the casing and the partition wall A' into the narrower end of each drum C
said chutes serving to shed the malt that is dropped on the same from the wider
end of the next adjoining drum above into the narrower end of the drum below.

page_text: :
•
The malt is conducted through a trunk F that passes through the top of the
casing A on to the chutes E of the uppermost drum C then conveyed through the
same and dropped from the wider end on to the chute E of the opposite wall and
from the same into the narrow end of the next drum then through the third drum
and so on through all the drums of the tier.
From the lowermost drum of the first tier of drums the malt is condensed by
a chute E¹ to a well G¹ of a bucket elevator G which extends in a diagonal
direction from the lowermost drum of the first tier to the uppermost drum of the
next adjoining tier, the buckets discharging into a hopper and inclined conveying
channel G into the narrower end of the uppermost drum of the next tier, then
through the drums of this tier and over the chutes of the same to the lowermost
drum and through a conveying chute at the lowermost part of the same to the
well G of a second elevator G by which the malt is hoisted to the uppermost
drum of the third tier, then passed through the drums of this tier and finally
conveyed by a hopper and discharge channel F', that passes through the casing to
a suitable storage bin.
The elevators G. G. are located in the space between the partition wall A¹ and
the opposite end wall of the casing A and receive motion by suitable transmission
from a power shaft.
The sprout malt is conducted from the malt floors to the drying apparatus
and passed successively through the drums of the same, by which it is continuously
turned so that every portion thereof is exposed to the drying action of the
heated air till it is completely and uniformly dried when leaving the drying
apparatus.
When three tiers of drums are arranged it passes three times from the upper
part of the casing which has a lower temperature to the lower part of the drier
where the temperature is higher so that a gradual and uniform drying takes place
without any formation of so called "glass malt" that is obtained when the malt is
exposed to a too highly heated air. The small germs or sprouts are screened off
through the meshes of the wire cloth drums and finally conducted over the inclined
surface of the covering hood to the lower part of the casing A where they are
conducted off in a suitable manner. By this apparatus a continuous dropping of
the sprouted malt can take place without requiring the expensive drying kilns
and malt turning appliances so that the inalt is thereby dried at a considerably less
expense for fuel than with the malt kilns beretofore in use.
Having thus particularly described and ascertained the nature of the said
Invention as communicated to me from abroad by the said Henry Herrmann
I claim on his behalf:
In apparatus for drying malt and other substances. The combination of a casing,
two or more vertical series of conically tapered horizontal rotary drums within
Faid casing, the drums of each series being alternately reversed so that the smaller
ends alternate with the larger (or their equivalent, cylindrical drums set at an
angle to each other), means for conducting the malt or like substance to be dried
from drum to drum of each series and an elevator or elevators for conveying the
malt or like substance from the lower drum of one series to the upper drum of
another series and combined with arrangements for supplying heated air to tho
substance under treatment substantially as herein described herein and illustrated
by the accompanying Drawings.