\\\\\ \g I'
(No Model.)
' 2 Sheets-Sheet 1.v
J. G. BIDWELL. METHOD OF AND FURNACE FOR BURNING GREEN BAGASSB. ‘ , No. 285,103.
-
-
Patented Sept. 18, 1883.
I‘ \g \\\
W
%%
, N4 PETERS, Phcto-Mhognphon wuhingmn. 0.1:.
(No Model.)
'
> 2 Sheets-Sheet 2.
J. G. BIDWELL. METHOD'OF AND FURNACE EOE BURNING GREEN BAGASSE. No. 285,103.
-
‘
Patented'Sept. 18, 1883. _
UNITED STATES PATENT OFFICE. ‘JOHN C. BIDVVELL, OF PITTSBURG, PENNSYLVANIA.
METHOD OF AND FURNACE FOR BURNING GREEN BAGASSE. SPECIFICATION forming part of Letters Patent No. 285,103, dated September 18, 1883. Applicalion ?led December 1, 1882. (No model.) Patented in Cuba March 15, 1552.
for admitting the bagasse to the furnace, each
To all whom it may concern .
Be it known that I, JGEN G. BIDWELL, of opening having an iron frame, (1’, and lid d2,“
Pittsburg, in the county of Allegheny and whereby it may be closed tightly.
' 55 ‘ The grate. b is provided with movable bars and useful Improvement in Methods of and I)’ and a shaking-lever, b’. It is necessary to V Furnaces for Burning Green Bagasse; and I do have either a shaking-grate or movable grate
State of Pennsylvania, have invented a new
hereby declare the following to be a full, clear, bars, and hence I have shown a'well-known and effective form of shaking-grate; but as 6.0 and exact description thereof. Prior to my invention, so far as I am aware, IC
any ef?cient and practical one will do, and as
no practically successful means for utilizing I make no claim to it, a detailed description green bagasse, in the condition it comes from of it is not necessary. the rolls, as fuel was ever put into use.
As
heretofore used the bagasse was dried by ex posure to the sun and frequent burnings or otherwise to make it combustible, or when only partially dried was consumed in small
In the front wall of the‘furnace is an open
ing, 0,- closed by a suitable door, 0', and‘ on top, between the two rows of feed-openings
cl, is areceptacle, f, for containing a supply of green bagasse, which is ?tted with open
portions with proportionately large quanti~ ings provided with sliding‘doors f’, opposite
20
ties of coal or other fuel, but it has never been to the feed-openings (I, so that the bagasse used alone in a green or partially-green con may be drawn out of the receptacle directly dition as fuel 5 hence in the sugar-making into the feed-opening.‘ A combustion-chamber, g, is located back districts of the United States it has been con sidered as of little or no value as fuel, and, of the ?re-chamber a’, mid between it and the being of great bulk, has been carted away as boiler h, or other point where the heat is ap 75
refuse and either dumped into the river‘or plied.~ Beyond the chamber 9 is a_ dust and 25 collected in large piles to be burned as other cinder trap, h’, having a cleaning-opening, h“,
refuse when sufficiently dry. I have found which should be closed tightly by a suitable
by practical experience with my improved door. The chamber 9 is lined with ?re-brick. furnace that green bagasse is of much more The air which supports combustion is all sup » value for fuel than dry bagasse, because the 30 alcohol and other elements which are liber ated by exposure to the hot sun are still pres
plied through the aslrpit "i, the front, ‘sides,
and top of the furnace being tightly closed. Thus constructed, the operation of my im ent, and by the use of my invention are made proved furnace is as follows, viz: A prelimi powerful auxiliaries in the combustion of the nary or starting ?re is made in the chamber a,’ 85 woody and ?brous parts and in the generation by means of fuel inserted’ through the front opening, c, which is then closed by the door ' v35 of heat. To enable others skilled in the art to make 0’. ' WVhen the ?re~chamber a’ has become thor use of my invention, I‘will now explain the oughly and highly heated, a charge of the, same by reference to the accompanying draw green bagasse is fed from the receptacle f 90 through the openings d in the following man— ings, in which—' . ner, viz: The holes (I are arranged in two Figure 1 is a longitudinal section of my im 40 proved bagassefurnace, showing its applica rows, and the bagasse is charged successively ' tion to use with a steam-boiler. Fig. 2 isa through diagonally-opposite openings, so that front elevation.
Fig. 3 is a plan.
.
Like letters of reference indicate like parts. 45
The'furnace a, which is built of common
the green charge from one opening shall not fall next to and in contact with a green charge from another opening, and also so that one
brick lined with ?re-brick, has an interior green charge shall not be in front and in the’
chamber, a’, of about eight feet square by line of draft of another green charge. In Fig.
about two and one-half feet in height from 3 I show six charging-holes. The ?rst charge the grate-bars b to the crown of the arch '0, would be~made through 6, the next through 2,
50 (shown by broken lines in Fig. 2,) which forms the next through 4, the next through 3, the hr the arch c are a next through 5, and the last through 1, and number of openings, (1, preferably six or more, so on in the same order again. The green
the top of the furnace.
285.103
bagasse being fed through the top openings, stages of combustion is cast down upon oppo and being permitted to fall vertically on the grate, assumes a conical or pyramidal shape, as shown by the dotted lines in Fi". 1, and as the successive charges fall the bases of the cones so formed extend into contact with each
site cones, which are still in the distillation stage. Thus the heat ~ is equalized, and all
parts of the ?re-chamber operate to secure the 66.
thorough combustion of the bagasse. I do not- limit myself to any particular mun; .
other. Thisform is peculiarly well ?tted for her or arrangement o?-the charging-holes, ex~ the driving otI_of the vapoisand gases. of the cept that the number and arrangement should green bagasse, as the super?cial aira of the several cones presents the largest possible sur face of exposure to the action of the heat, and as the'broad base of each'cone is exposed to and rests upon the bed of hot fuel on the grate bais, and the gases, &c., are caused to ascend I5
through the center of the pile, while the whole supercial area of the outside is exposed to the action of the?erce tlame fromthe more highly heat-ed piles. The result is an extremely-rapid
be such as will enable the furnace to be charged as described without damping the fire therein. \Vhat I 'laim as myinveution, and desireto
secure by
65
-tters Patent, is
1 . A furnace for burning green bagasse, hav
ing a- shakinglgratc or movable grate-bars, 70 and a series of charging-holes in the crown, arranged in parallel rows over one and the '
same ?re-chamber, substantially as and for the
purpose described.
2. A furnace forburning green bagasse, hav-_ 13 the bridge-wall 1:, and are there thoroughly ring a 'shakinggmt-e, or movable grate-bars, a mingled in the combustion-chamber with the series ofcharging-holes in the crown‘, armuged heated air and ?anie from other parts of the in parallel rows over‘ one and the same tire- _. ?re ~ chamber and completely consumed. chamliier, and tightly-closed walls and crown, When the furnace is fed as described, su?i ' so that all the air for combustion is supplied 80 ~
distillation of the gases, which are driven over
2.5 'cieut timevis given between each charge to ‘per
mit each cone to pass the period of distilla~ tion and come to a highly-heated state before another charge is fed in, so that the fresh gases from such other charge shall not. pass over the ?rst- and check its consumption, and also so
that; thelheat from the ?rst. shall aid' in the combustion of the gases from the second. During the operation of the furnace the grate b is occasionally shaken to open up they super b: imposed mass of bagasse for the free admission
through the aslrpit, substantially as and for_ ~
the purposes described. 3. A furnace for burning green bagasse, hav ingr a series of charging-holes in the crown, ar- '
ranged in parallel rows, in combination with 35 a receptacle placed on top of the. furnace be‘ ,
tween the parallel rows of charging-holes, and
having discharge openings opposite to the re spective charging-holes, substantially as and for the purposes described.
‘
.
‘
-
4. A furnace for burning green bagasse, hav of the air, and, incidentally,to shake out the. ing a ?re-chamber provided with a shaking ashes._ Practical experience has demonstrated grate or. movable glate-bars, and a series of-- ,. the fact" that my furnace, so fed and operated, charging-holes in ' the crown, said holes ar’
not only successfully burnsthe green bagasse ranged in parallel rows over one and the same 95 completely, leaving merely atine dust or ash, fire-chan'iber, in combination with a combus and no clogging residuum or cinder, but also tion-chamber placed between the ?reschamher that a much more intense heat is generated and the point; wherethe heat is applied, sub~ therefrom than can possibly be obtained by the stanti‘ally as and for the purpose described. The method of burning green bagasse, 10C use of dry or partially-dried bagasse, either consisting of charging it; in conical piles suc The practitntl advantages of my invention cessively into ditl'ere-nt'quartcrs of a furnace
4 5 with or- without the addition of other fuel.
consist in the utilization ot'a heretofore waste into, one and the same ?re-chamber, so that one green charge shall not fall next to or in uarytreatment to render it- useful. I save the the line of draft of another green charge, sub :05 stantially as and forthe purposes described. 50 cost of transporting it away from the mill, ' In testimony whereof lhavehereuuto set my which its enormous bulk has heretofore mn dered necessary at a cost in some large estab hand this 29th day of November, A. D. 1882. J OHN C. BIDYVELL. lishments of thousands of dollars per anmun. \Vitncsses: » _ The arch of the chamber a’ causcsa reverbera
substance, without the- necessity of prelimi
tory action, whereby the intense heat gener ated by the cones which are in advanced
'
W. B. CoizwIx,
T. B. KERR.v
'
'
' 2 Sheets-Sheet 1.v
J. G. BIDWELL. METHOD OF AND FURNACE FOR BURNING GREEN BAGASSB. ‘ , No. 285,103.
-
-
Patented Sept. 18, 1883.
I‘ \g \\\
W
%%
, N4 PETERS, Phcto-Mhognphon wuhingmn. 0.1:.
(No Model.)
'
> 2 Sheets-Sheet 2.
J. G. BIDWELL. METHOD'OF AND FURNACE EOE BURNING GREEN BAGASSE. No. 285,103.
-
‘
Patented'Sept. 18, 1883. _
UNITED STATES PATENT OFFICE. ‘JOHN C. BIDVVELL, OF PITTSBURG, PENNSYLVANIA.
METHOD OF AND FURNACE FOR BURNING GREEN BAGASSE. SPECIFICATION forming part of Letters Patent No. 285,103, dated September 18, 1883. Applicalion ?led December 1, 1882. (No model.) Patented in Cuba March 15, 1552.
for admitting the bagasse to the furnace, each
To all whom it may concern .
Be it known that I, JGEN G. BIDWELL, of opening having an iron frame, (1’, and lid d2,“
Pittsburg, in the county of Allegheny and whereby it may be closed tightly.
' 55 ‘ The grate. b is provided with movable bars and useful Improvement in Methods of and I)’ and a shaking-lever, b’. It is necessary to V Furnaces for Burning Green Bagasse; and I do have either a shaking-grate or movable grate
State of Pennsylvania, have invented a new
hereby declare the following to be a full, clear, bars, and hence I have shown a'well-known and effective form of shaking-grate; but as 6.0 and exact description thereof. Prior to my invention, so far as I am aware, IC
any ef?cient and practical one will do, and as
no practically successful means for utilizing I make no claim to it, a detailed description green bagasse, in the condition it comes from of it is not necessary. the rolls, as fuel was ever put into use.
As
heretofore used the bagasse was dried by ex posure to the sun and frequent burnings or otherwise to make it combustible, or when only partially dried was consumed in small
In the front wall of the‘furnace is an open
ing, 0,- closed by a suitable door, 0', and‘ on top, between the two rows of feed-openings
cl, is areceptacle, f, for containing a supply of green bagasse, which is ?tted with open
portions with proportionately large quanti~ ings provided with sliding‘doors f’, opposite
20
ties of coal or other fuel, but it has never been to the feed-openings (I, so that the bagasse used alone in a green or partially-green con may be drawn out of the receptacle directly dition as fuel 5 hence in the sugar-making into the feed-opening.‘ A combustion-chamber, g, is located back districts of the United States it has been con sidered as of little or no value as fuel, and, of the ?re-chamber a’, mid between it and the being of great bulk, has been carted away as boiler h, or other point where the heat is ap 75
refuse and either dumped into the river‘or plied.~ Beyond the chamber 9 is a_ dust and 25 collected in large piles to be burned as other cinder trap, h’, having a cleaning-opening, h“,
refuse when sufficiently dry. I have found which should be closed tightly by a suitable
by practical experience with my improved door. The chamber 9 is lined with ?re-brick. furnace that green bagasse is of much more The air which supports combustion is all sup » value for fuel than dry bagasse, because the 30 alcohol and other elements which are liber ated by exposure to the hot sun are still pres
plied through the aslrpit "i, the front, ‘sides,
and top of the furnace being tightly closed. Thus constructed, the operation of my im ent, and by the use of my invention are made proved furnace is as follows, viz: A prelimi powerful auxiliaries in the combustion of the nary or starting ?re is made in the chamber a,’ 85 woody and ?brous parts and in the generation by means of fuel inserted’ through the front opening, c, which is then closed by the door ' v35 of heat. To enable others skilled in the art to make 0’. ' WVhen the ?re~chamber a’ has become thor use of my invention, I‘will now explain the oughly and highly heated, a charge of the, same by reference to the accompanying draw green bagasse is fed from the receptacle f 90 through the openings d in the following man— ings, in which—' . ner, viz: The holes (I are arranged in two Figure 1 is a longitudinal section of my im 40 proved bagassefurnace, showing its applica rows, and the bagasse is charged successively ' tion to use with a steam-boiler. Fig. 2 isa through diagonally-opposite openings, so that front elevation.
Fig. 3 is a plan.
.
Like letters of reference indicate like parts. 45
The'furnace a, which is built of common
the green charge from one opening shall not fall next to and in contact with a green charge from another opening, and also so that one
brick lined with ?re-brick, has an interior green charge shall not be in front and in the’
chamber, a’, of about eight feet square by line of draft of another green charge. In Fig.
about two and one-half feet in height from 3 I show six charging-holes. The ?rst charge the grate-bars b to the crown of the arch '0, would be~made through 6, the next through 2,
50 (shown by broken lines in Fig. 2,) which forms the next through 4, the next through 3, the hr the arch c are a next through 5, and the last through 1, and number of openings, (1, preferably six or more, so on in the same order again. The green
the top of the furnace.
285.103
bagasse being fed through the top openings, stages of combustion is cast down upon oppo and being permitted to fall vertically on the grate, assumes a conical or pyramidal shape, as shown by the dotted lines in Fi". 1, and as the successive charges fall the bases of the cones so formed extend into contact with each
site cones, which are still in the distillation stage. Thus the heat ~ is equalized, and all
parts of the ?re-chamber operate to secure the 66.
thorough combustion of the bagasse. I do not- limit myself to any particular mun; .
other. Thisform is peculiarly well ?tted for her or arrangement o?-the charging-holes, ex~ the driving otI_of the vapoisand gases. of the cept that the number and arrangement should green bagasse, as the super?cial aira of the several cones presents the largest possible sur face of exposure to the action of the heat, and as the'broad base of each'cone is exposed to and rests upon the bed of hot fuel on the grate bais, and the gases, &c., are caused to ascend I5
through the center of the pile, while the whole supercial area of the outside is exposed to the action of the?erce tlame fromthe more highly heat-ed piles. The result is an extremely-rapid
be such as will enable the furnace to be charged as described without damping the fire therein. \Vhat I 'laim as myinveution, and desireto
secure by
65
-tters Patent, is
1 . A furnace for burning green bagasse, hav
ing a- shakinglgratc or movable grate-bars, 70 and a series of charging-holes in the crown, arranged in parallel rows over one and the '
same ?re-chamber, substantially as and for the
purpose described.
2. A furnace forburning green bagasse, hav-_ 13 the bridge-wall 1:, and are there thoroughly ring a 'shakinggmt-e, or movable grate-bars, a mingled in the combustion-chamber with the series ofcharging-holes in the crown‘, armuged heated air and ?anie from other parts of the in parallel rows over‘ one and the same tire- _. ?re ~ chamber and completely consumed. chamliier, and tightly-closed walls and crown, When the furnace is fed as described, su?i ' so that all the air for combustion is supplied 80 ~
distillation of the gases, which are driven over
2.5 'cieut timevis given between each charge to ‘per
mit each cone to pass the period of distilla~ tion and come to a highly-heated state before another charge is fed in, so that the fresh gases from such other charge shall not. pass over the ?rst- and check its consumption, and also so
that; thelheat from the ?rst. shall aid' in the combustion of the gases from the second. During the operation of the furnace the grate b is occasionally shaken to open up they super b: imposed mass of bagasse for the free admission
through the aslrpit, substantially as and for_ ~
the purposes described. 3. A furnace for burning green bagasse, hav ingr a series of charging-holes in the crown, ar- '
ranged in parallel rows, in combination with 35 a receptacle placed on top of the. furnace be‘ ,
tween the parallel rows of charging-holes, and
having discharge openings opposite to the re spective charging-holes, substantially as and for the purposes described.
‘
.
‘
-
4. A furnace for burning green bagasse, hav of the air, and, incidentally,to shake out the. ing a ?re-chamber provided with a shaking ashes._ Practical experience has demonstrated grate or. movable glate-bars, and a series of-- ,. the fact" that my furnace, so fed and operated, charging-holes in ' the crown, said holes ar’
not only successfully burnsthe green bagasse ranged in parallel rows over one and the same 95 completely, leaving merely atine dust or ash, fire-chan'iber, in combination with a combus and no clogging residuum or cinder, but also tion-chamber placed between the ?reschamher that a much more intense heat is generated and the point; wherethe heat is applied, sub~ therefrom than can possibly be obtained by the stanti‘ally as and for the purpose described. The method of burning green bagasse, 10C use of dry or partially-dried bagasse, either consisting of charging it; in conical piles suc The practitntl advantages of my invention cessively into ditl'ere-nt'quartcrs of a furnace
4 5 with or- without the addition of other fuel.
consist in the utilization ot'a heretofore waste into, one and the same ?re-chamber, so that one green charge shall not fall next to or in uarytreatment to render it- useful. I save the the line of draft of another green charge, sub :05 stantially as and forthe purposes described. 50 cost of transporting it away from the mill, ' In testimony whereof lhavehereuuto set my which its enormous bulk has heretofore mn dered necessary at a cost in some large estab hand this 29th day of November, A. D. 1882. J OHN C. BIDYVELL. lishments of thousands of dollars per anmun. \Vitncsses: » _ The arch of the chamber a’ causcsa reverbera
substance, without the- necessity of prelimi
tory action, whereby the intense heat gener ated by the cones which are in advanced
'
W. B. CoizwIx,
T. B. KERR.v
'
'
