Comminuted Condition and to Apparatus therefor.
Year: 1885

page_text: Comminuted Condition and to Apparatus therefor.
I, HENRY HARRIS' LAKE, of the firm of Haseltine, Lake, & Co, Patent Agents
Southampton Buildings, in the County of Middlesex do hereby declare the nature
of my invention for "IMPROVEMENTS RELATING TO THE UTILIZATION OF FUEL IN
A COMMINUTED CONDITION AND TO APPARATUS THEREFOR "
to be as follows:→
This invention pertains to the utilization of coal, tan-bark and other fuel in a
finely comminuted condition substantially in accordance with the methods of
operation described and shewn in the Specifications of Letters Patent of the United
States of America dated March 13, 1866, number 53208, and re-issue thereof,
dated March 1, 1870, number 3857, and in the specification of other Letters
Patent to which it is not necessary to particularly refer herein; and to apparatus
for facilitating the same, of the class described in the specification of Letters
Patent of the United States of America dated November 13, 1866; May 10, and 31
and November 29, 1870; and February 7, 1871, and respectively numbered 59695,
102997, 103695, 103804, 109785 and 111705. .
This invention consists partly in the combination with apparatus for pulverizing
or comminuting coal or other fuel to a condition of sufficient fineness for
combustion in a suitable furnace, and with means for introducing the comminuted
fuel in conjunction with air into said furnace to be therein consumed, all sub-
stantially as well known and described in the specification of the Letters Patent
above referred to, of a storage bin or receptacle for pulverized or comminuted fuel,
and of means for discharging the comminuted fuel, which is in said bin and
introducing it, in conjunction with air into said furnace, which means are capable
of being operated independently of and separately from the mechanism for
pulverizing or comminuting fuel, and from which bin the comminuted fuel is
introduced directly into said furnace, and all so that the furnace may be supplied
with comminuted fuel from the contents of said bin and said supply closed or shut
off, substantially as, and for the purpose, hereinafter described.
This. invention also partly consists in the combination with an apparatus for
pulverizing or comminuting coal or other fuel to a condition of sufficient fineness

page_text: for combustion in a suitable furnace and with. means for introducing the so
comminuted fuel in conjunction with air into said furnace to be therein consumed
and burned, all substantially as well known and described in the specification of
Letters Patent above referred to, of a storage-bin or receptacle for pulverized
or comminuted fuel, connected by a suitable way or passage with the said
pulverizing mechanism and mechanism for introducing the comminuted fuel in
conjunction with air. into the furnace directly from the pulverizing mechanisın,
and of means for discharging the comminuted fuel which is in said bin and
introducing it in conjunction with air into said furnace, which means are capable
of being operated independently of, and separately from, the mechanism for
pulverizing or comminuting fuel and by which the comminuted fuel is introduced
directly into said furnace and all the parts being so arranged that said storage bin
may be charged or supplied directly from the pulverizing apparatus, and the
furnace charged or supplied with comminuted fuel from the said bin; and that
said supply to the furnace from said storage-bin and to the storage bin from the
pulverizing mechanism may be opened and closed or shut off, substantially as, and
for the purpose, hereinafter described.
In carrying the said invention into practice I provide a bin of any suitable size"
or shape, for the storage of comminuted.fuel. This bin rests upon a floor or other
suitable support and is located between the pulverizing mechanism and the furnace
both of which latter may be of any suitable construction. A branch passage or
way is connected at one end to the bin above the bottom thereof, and at the other
end to a fuel passage or way which leads from the pulverizing apparatus to the
furnace.
80
0
The said bin has a screw-shaft, located in its lower portion below the entrance
of the branch-way and arranged to turn in suitable supports or bearings.
This screw-shaft at one end has a bevel gear-wheel meshing with a second bevel
gear-wheel; both of these gear-wheels being encased or boxed. The second bevel
gear-wheel is carried by a horizontal shaft turning in suitable supports or bearings,
and extending to the outside of the bin, where it is provided with a third bevel
gear-wheel which meshes with a fourth bevel gear-wheel. on a second horizontal
shaft. The second horizontal shaft turns in suitable supports or bearings outside
the bin, and has a pinion-wheel engaging with a gear-wheel on a third horizontal
shaft. The latter turns in a standard or support and has a winch or crank-handle
for convenience in driving it, thus, through it, and the connecting mechanism above
described between it and the screw-shaft, operating said screw-shaft.
The screw-shaft is for feeding or delivering the comminuted fuel from the
storage-bin, and at one end it is in communication with a horizontal branch-way
or passage leading therefrom and opening into a vertical and stationary closed
cylindrical shell or casing containing a fan blower of any of the ordinary con-
structions but one suitable for discharging from its shell or casing by its rotation
the air supplied to said casing, as hereinafter described. The comminuted fuel is
fed from the storage-bin to the said shell or casing by the rotation of the screw
shaft through a branch or feed-way leading from the bin to a tangential or
peripheral opening in said shell or casing, which latter is in communication with
the fuel passage or way leading from the pulverizing apparatus to the furnace.
The fans of the fan-blower are carried by a horizontal shaft which turns in
suitable bearings in the shell or casing of the blower, and outside said shell carries
a pinion meshing with the gear-wheel on the driving-crank, so that by the
rotation of the said gear-wheel by the driving-crank the fan-blower is driven.
A valve is located in the fuel-way or passage, leading from the pulverizing
apparatus to the furnace, between the connection of the branch passage or way
leading to the storage-bin and the furnace; which branch-way is provided for
conducting the comminuted fuel from the pulverizing apparatus to the storage-bin.
A second valve is also provided in the branch-way just between the main-way and
the storage bin and a third valve is arranged in the branch-way which establishes
communication between said bin and the shell of the fan-blower. The several

page_text: valves are of any desirable construction and arrangement so as, by properly turning
them, to open and close the respective ways or passages in which they are located.
The apparatus above described, except in the combination of the storage-bin
and the apparatus connecting it with the pulverizing apparatus and the furnace is,
as before stated, in substance, the same as is well known and the operations and
uses considered of themselves are the same as ordinary and therefore they need no
particular description. But with a storage-bin and its apparatus and connections
described combined therewith, and the discharge of fuel from said bin being
rendered capable, as has been described, of separate and independent operations,
the furnace can be charged or furnished with comminuted fuel, as may be desired,
independently of, and separately from, the furnishing and charging thereof with
such fuel in the ordinary way. Consequently an apparatus is provided which is
capable of supplying the furnace with comininuted fuel, independently of and
separately from the feed of said furnace with comminuted fuel secured under the
operation of the power generated by the furnace itself, which power, as such
apparatuses have been heretofore used, has been the only means for feeding the
furnace with comminuted fuel so that such means could only be employed when
sufficient power had been generated by reason of the combustion in the furnace.
To use the storage-bin and its operating mechanism for feeding the furnace
therefrom with comminuted fuel as above described, the first and second valve in
the fuel-ways or passages leading from the pulverizing to the furnace and from the
fuel-way to the bin, must be closed, and the third valve of the fuel-way leading
from the bin to the fan-blower shell opened; again to supply the bin with
comminuted fuel produced by the pulverizing apparatus, the valve of the fuel-way
leading from said apparatus to the furnace and the valve of the fuel-way, leading
from the bin to the fan blower shell, must be closed and the valve of the branch
fuel-way leading from the fuel-way of the pulverizer to the bin opened; and
again for feeding the furnace with comminuted fuel direct from the pulverizing
apparatus, the valves of both the branch ways connected to the bin, must be
closed.
The connection between the storage-bin and the pulverizing apparatus may be
dispensed with, and the bin charged independently thereof; but it is best to
directly connect the bin, and pulverizing apparatus, as described.
The storage-bin may be connected directly with the furnace in lieu of through
the fuel-way connecting the pulverizing apparatus with the furnace.
Dat this wond day of 100-
HASELTINE, LAKE & Co.,
For the Applicant.

page_text: Improvements relating to the Utilization of Fuel in a
Comminuted Condition, and to Apparatus therefor.
I HENRY HARRIS LAKE, of the firm of Haseltine, Lake, and Co, Patent Agent
Southampton Buildings in the County of Middlesex do hereby declare the nature,
of my 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 pertains to the utilization of coal, tan-bark, and other fuel in a
finely comminuted condition substantially in accordance with the methods of
operation described and shewn in the specifications of Letters Patent of the United.
States of America dated March 13th 1866 number 53208, and reissuo thereof,
dated March 1, 1870 number 3857 and in the specification of other Letters Patent
to which it is not necessary to particularly refer herein, and to apparatus of the
class described in the specification of Letters Patent of the United States of
America, Dated November 13, 1866; May 10, and 31, and November 29, 1870;
and February 7th 1871 and respectively numbered 59695, 102997, 103695, 103804,
109785, and 111705 for facilitating the use of the said fuel.
This invention consists partly in the combination with apparatus for pulverizing
or comminuting coal or other fuel to a condition of sufficient fineness for combus-
tion when introduced into a suitable furnace, and with means for the so comminuted
fuel in conjunction with air into said furnace to be therein consumed all substan-
tially as well known and described in the specification of the Letters Patent above
referred to, of a storage bin or receptacle for pulverized or comminuted fuel and of
means for discharging the comminuted fuel which is in said bin and introducing it,
in conjunction with air, into said furnace, which means are capable of being
operated independently and separately from, the mechanism for pulverizing or
comminuting fuel, and from which bin the comminuted fuel is introduced directly
into said furnace, and also that the furnace may be supplied with comminuted fuel
from the contents of said bin and said supply closed or shut off, substantially
as, and for the purpose, hereinafter described.
This invention also partly consists in the combination with an apparatus for
pulverizing or comminuting coal or other fuel to a condition of sufficient fineness
for combustion in a suitable furnace and with means for introducing the so
comminuted fuel in conjunction with air into said furnace to be therein consumed
and burned, all substantially as well known and described in. the specification of
Letters Patent above referred to of a storage-bin or receptacle for pulverized or
comminuted fuel; connected by a suitable way or passage with the said pulver-
izing mechanism, and mechanism for introducing the comminuted fuel, in
conjunction with air, into the furnace directly from the pulverizing mechanism;
and of means for discharging the comminuted fuel which is in said bin and intro-
ducing it in conjunction with air into said furnace, which means are capable of
being operated independently of, and separately from, the mechanism for pulverizing
or comminuting fuel and by which the comminuted fuel is introduced directly into

page_text: anid furnace, all the parts being so arranged that said storage-bin may be charged
or supplied directly from the pulverizing apparatus, and the furnace charged or
supplied with comminuted fuel from the said bin; and that said supply to the
furnace from said storage bin and to the storage bin from the pulverizing mechanism
may be opened and closed or shut off, substantially as, and for the purpose herein-
after described.
The said invention is illustrated in the accompanying drawing, in which
Figure 1 is a front elevation of apparatus constructed according to this invention
the combustion chamber of which the front end only is shewn being in section.
Figure 2 is a plan view of the apparatus shewn in Figure 1.
Figure 3 is a view of a detail, and hereinafter referred to.
A represents the furnace and B an apparatus for pulverizing or otherwise
reducing fuel such as coal, tan-bark, &c, to a condition of sufficient fineness for
combustion within the furnace. For introducing the comminuted fuel in conjunc
tion with air to the furnace a suitable way or passage C, properly connected with
the pulverizing apparatus B and the furnace A is provided, all substantially as
well known and described in the specifications of the aforesaid Letters Patent.
neither the furnace A, the pulverizing apparatus B nor the mechanism for intro-
ducing the comminuted fuel into the furnace constitutes, of itself, any part of this
invention, it is not deemed necessary to herein more particularly describe either
of them.
Ав
D is a bin of any suitable size or shape, for the storage of comminuted fuel.
This bin rests upon a floor or other suitable support E, and as particularly shown'
is located between the pulverizing mechanism A and the furnace B.
F is a branch-passage or way connected at one end to the bin above the bottom
thereof, and at the other end to the fuel passage or way C which leads from the
pulverizing apparatus to the furnace.
The said bin for the storage of comminuted fuel has a screw shaft G located in
its lower portion below the entrance of the branch-way F and arranged to turn in
suitable supports or bearings. This screw shaft G at one end, has a bevel gear-
wheel meshing with a bevel gear-wheel, I. Both of these gear wheels are
within the bin and are encased or boxed as at J. The bevel gear-wheel I is carried
by a horizontal shaft K, turning in suitable supports or bearings and extending to
the outside of the bin, where it is provided with a bevel gear-wheel L which
meshes with a bevel-gear wheel M of a horizontal shaft N. The shaft N turns in
suitable supports or bearings outside the bin and has a pinion-wheel O engaging
with a gear-wheel P on a horizontal shaft Q. The latter turns in a standard or
support R and has a winch or crank-handle S for convenience in driving it, and
thus, through it and the connecting mechanisin above described between it and
the screw-shaft G operating said screw-shaft.
The screw-shaft G is for feeding or delivering the comminuted fuel from the
storage-bin, and at one end T it is in communication with a horizontal branch-way
or passage U, leading therefrom and opening into a vertical and stationary closed
cylindrical shell or casing V, containing a fan-blower of any ordinary construction
but one suitable for discharging from its shell or casing by its rotation the air
supplied to said casing, as hereinafter described. The comminuted fuel is fed from
the storage-bin to the said shell or casing by the rotation of the screw-shaft G
through the branch or feed-way U leading from the bin to a tangential or peripheral
opening W in said shell or casing which latter is in communication with the fuel
passage or way C leading from the pulverizing apparatus to the furnace.
The fans of the blower are carried by a horizontal shaft X, which turns in
suitable bearings in the shell or casing of the blower, and outside said shell carries
a pinion Y, meshing with the gear-wheel P, on the driving shaft Q, so that by
the rotation of the said gear-wheel P by the driving crank S the fan blower is
driven.
.
$
Z is a valve located in the fuel-way or passage C, leading from the pulverizing
apparatus to the furnace, and between the connection of the branch passage or

page_text: way. F leading to the storage-bin and the furnace; which branch-way F is pro-
vided for conducting the comminuted fuel from the pulverizing apparatus to the
storage-bin.
A2, is a valve in the branch-way F, just between main-way C and storage-bin;
and B2 is a valve in the branch-way U which establishes communication between
said bin and the shell of the fan-blower. The several valves Z, A2, and B2 may be
of any ordinary or desirable construction and, arrangement provided they can be
properly operated to open and close the respective ways or passages C F, and U,
in which they are located. The valve B' when opened establishes a passage for
the air through it and its seat in the branch way U, to the fan-blower shell,
Figure 3.
The apparatus above described (except to the combination of the storage-bin D
and the apparatus connecting it with the pulverizing apparatus B, and the furnace A,
which bin receives comminuted fuel from said pulverizing apparatus for discharging
it into the furnace to be consumed therein) is as before stated, in substance, the
same as is well known and the operations and uses considered of themselves are the
same as ordinary and therefore they need no particular description. As, however, a
storage-bin and the apparatus and connections described are combined therewith,
and as the discharge of fuel from said bin is capable, as has been described, of
separate and independent operation, the furnace can be charged or furnished with
comminuted fuel, as may be desired, independently of, and separately from, the
furnishing aud charging thereof with such fuel in the ordinary way. Consequently
an apparatus is provided which is capable of supplying the furnace with com-
minuted fuel, independently of and separately from the ordinary feed of, said
furnace with comminuted fuel secured under the operation of the power generated
by the furnace itself which power as such apparatuses has been heretofore used, has
been the only means for feeding the furnace with comminuted fuel so that such
means could only be employed when sufficient power had been generated.
To use the storage-bin and its operating mechanism for feeding the furnace
therefrom with comminuted fuel as above described, the valves Z and A³, in the
fuel ways or passages C, F, leading from the pulverizer to the furnace and from
the fuel-way C, to the bin, must be closed, and the valve B of the fuel-way U,
leading from the bin to the fan-blower opened. To supply the bin with com-
minuted fuel produced by pulverizing apparatus, the valve Z of the fuel-way C,
leading from said apparatus to the furnace, and the valve B2 of the fuel-way U,
leading from the bin to the fan-blower shell, must be closed, and the valve A, of
the branch fuel-way F leading from the fuel-way, C of the pulverizer to the bin
opened. For feeding the furnace with comminuted fuel direct from the pulverizing
apparatus, the valves A, B, of both the branch-ways F, U, connected to the bin,
must be closed.
The connection between the storage-bin and the pulvering apparatus may be
dispensed with, and the bin charged independently thereof; but it is best to
directly connect the bin and pulverizing apparatus, as described.
The storage-bin may be connected directly with the furnace, in lieu of through
the fuel-way C, connecting the pulverizing apparatus with the furnace.
Having now particularly described and ascertained the nature of the said
invention, and in what manner the same is to be performed, as communicated to
me by my foreign correspondent, I declare that what I claim is :-
First. In combination, apparatus suitable for pulverizing or otherwise reducing
fuel to a comminuted condition, a furnace suitable for the combustion of comminuted
fuel (the said pulverizing apparatus and furnace being directly connected with
each other,) and a storage bin connected to said pulverizing apparatus and said
furnace and provided with means suitable for introducing its contents into said
furnace, all substantially as, and for the purposes, described.
Second. In apparatuses for pulverizing or otherwise reducing fuel to a com-
minuted condition, and introducing such comminuted fuel into a combustion

page_text: chamber or furnace, a storage-bin for comminuted fuel connected by a way or
passage with the said combustion-chamber or furnace and provided with feed and
fan-blower mechanism adapted to deliver the fuel from the said bin into said
combustion-chamber through said way or passage in combination with a valve in
said way or passage adapted to open and close the same, substantially as described.
for the purpose specified.
.
Third. In apparatus for pulverizing or otherwise reducing fuel to a comminuted
condition and introducing such comminuted fuel into a combustion-chamber or
furnace, a storage-bin for comminuted fuel connected by a way or passage F with
the pulverizing mechanism, and by a way or passage U, V, with the said com-
bustion-chamber or furnace the said bin being provided with feed and fan-blower
mechanism adapted to deliver the fuel therefrom into said combustion-chamber
or furnace through said way or passage U, V, in combination with a way or
passage C, connecting said pulverizing mechanism and said combustion-chamber
or furnace, and with valves Z, A2 and B2 in said ways or passages substantially as
described for the purpose specified.
Fourth. In apparatus for pulverizing, or otherwise reducing fuel to a com-
minuted condition and introducing such comminuted fuel into a combustion
chamber or furnace, a storage-bin D for comminuted fuel, connected by ways or
passages F, U, V, with a way or passage C, connecting the pulverizing apparatus
with the said combustion-chamber er furnace, the said bin being provided with
feed and fan-blower mechanism adapted to. deliver the fuel from the bin into said
combustion chamber or furnace, in combination with valves Z, A' and B³, in said
ways or passages, substantially as described for the purpose specified.
D
11
00
1
72
1000
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C.,
Agents for the Applicant.