US529376A - Stove or range for burning bituminous coal - Google Patents
Stove or range for burning bituminous coal Download PDFInfo
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- US529376A US529376A US529376DA US529376A US 529376 A US529376 A US 529376A US 529376D A US529376D A US 529376DA US 529376 A US529376 A US 529376A
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- Prior art keywords
- stove
- duct
- air
- chamber
- fuel
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- 239000002802 bituminous coal Substances 0.000 title description 14
- 239000000446 fuel Substances 0.000 description 20
- 239000007789 gas Substances 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 16
- 238000002485 combustion reaction Methods 0.000 description 14
- 239000003245 coal Substances 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 241000681094 Zingel asper Species 0.000 description 10
- 238000010276 construction Methods 0.000 description 10
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 6
- 239000002956 ash Substances 0.000 description 6
- 239000011449 brick Substances 0.000 description 6
- 239000000571 coke Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 206010022114 Injury Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001174 ascending Effects 0.000 description 2
- 235000012970 cakes Nutrition 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001535 kindling Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/07—Roasting devices for outdoor use; Barbecues
- A47J37/0704—Roasting devices for outdoor use; Barbecues with horizontal fire box
Definitions
- My invention relates to the class of stoves
- the object of this invention is to provide a stove, range, or furnace wherein such fuel may be burned with complete combustion of the carbon and wherein provision is made against the rapid destruction of the parts from the intense heat evolved.
- Fig. 1 is a vertical section 0 of the stove in the plane indicated by the line 00, :c, in Fig. 3.
- Fig. 2 is a front elevation of the stove.
- Fig. 3 is a plan of the stove with portions of the upper part broken away to better show the interior construction.
- the stove herein shown is,in its outer form or contour, substantially the same as an ordinary cooking stove and will require no minute description.
- 1 is the oven; 2, the ash-box; 3, the fuel chamber, and 4 the charging door at which soft coal is supplied to the fuel chamber.
- This door has in it a suitable register to regulate the admission of air when the door is closed, or it may have in it permanently open aper- 5 tures if preferred.
- a grating In the front of the stove is a grating, 5, at which air may enter the fuel chamber below the charging door, and 6 is a door hung to the stove-front and covering said grating 5.
- This door extends down to the removable hearth-plate, 7, or nearly so, and has in it a suitable register, 8, to regulate the admission of air.
- the interior of that portion of the stove where combustion takes place is lined with 5 fire-brick or tiles to protect the metal and to maintain a high temperature, and extending across the fuel-chamber is an air-duct, 9, which is housed at its ends in the fire-brick lining at the sides of the chamber.
- This duct is preferably of iron or steel and has,in crosssection a somewhat triangular form. It is open at its ends for the entry of air, as indicated by the arrows in Fig. 3, and has perforations in its lower, rounded edge and in its front side near the lower edge, as indicated at 10, in Fig. 1.
- the crown or top of this duct will be about on a level with the top of the oven, thus leaving a chamber 11, above it so that the hot gases ascending at the back of the duct through the gas-chamber or flue, 12, may have free access to the bottom of a vessel on the front pot-holes of the stove.
- an inclined roof-plate, 13 extends to the front 7 wall of the stove which it meets at or near the junction of said wall with the top plate of the stove.
- the fuel chamber has a rocking bed, 16, seen in its normal position in full lines in Fig. Land represented in its extreme 9o rocked or tilted position in dotted lines in that figure.
- This bed 16 is not apertured, but consists of a metal plate covered with a layer of refractory material and providedwith end pivots, 16, one of which projects to receive a crank for rocking the bed.
- the bed At its front the bed has an upturned, serrated margin, 16 (see Fig. 2) which takes under and bears on a metal cross-bar of the stove front when the bed is in its normal position.
- the bed 16 fits up snugly to the lower margin of the inclined bed 15, and it has at this edge a pendent apron, 16, provided with a catch, 16 to take under the inclined bed 15 and act as a detent to prevent the rocking of the bed 16 too far.
- the stove is provided with a damper, 17, of the usual kind, to direct the hot gases through the flue, 18, about theoven, before they reach the stove pipe, 19.
- a damper 17, of the usual kind, to direct the hot gases through the flue, 18, about theoven, before they reach the stove pipe, 19.
- the bed 16 When the fuel cakes or becomes massed, as it is apt to be in burning soft coal, the bed 16, may be rocked, when the teeth or serrations 16*, will serve to break any coke that may interpose between them and the bar above.
- the rocking motion shakes and loosens up the mass of fuel and the ashes work out at the front.
- the apron 16, at the back of the rocking bed rises when the latter is rocked and prevents the coke on the inclined bed from sliding down to the front or falling through into the ash-box.
- the inclined bed 16 slopes down to the level of the rocking bed, and when this latter is tilted forward the apron 16 substantially closes the passage beneath the air-duct 9 and between it and the bed 16.
- the function of the flat air-duct 14, is to admit air to the middle part of the transverse duct 9. I have found that when air is admitted to such a duct at its ends only this air will never reach the middle part of the duct but be taken away by the draft of the stove through the perforations 10, near the ends of the duct, thus leaving the middle part of the duct exposed to the intense heat without the protection afforded by the incoming cool air.
- the duct 14, supplies the air to this middle part of the transverse duct and protects the latter from injury from the heat.
- the duct 9, of metal has important advantages over pendent partitions of fire-brick as the latter soon crack and break down and it has obvious advantages over a waterleg such as is sometimes employed in boiler furnaces. These legs cannot be employed in stoves and ranges.
- My construction produces a durable stove and one that can be operated by an unskilled attendant quite as well as can the ordinary hard coal range.
- a stove for burning bitu minous coal having a fuel-chamber with a non-apertured bottom or bed and apertures at the front for lateral draft, a perforated air-duct 9, extending across the fuel-chamber and open to the air at its ends, an air-duct 14, opening into the crown of the transverse duct at its middle, a gas chamber 11 over the duct 9, and fuelchamber and separated from the latter, and a gas flue 12, at the back of said duct, all arranged substantially as set forth.
- a stove for burning bituminous coal having a fuel-chamber 3, a gas flue 12, a transverse air-duct between said fuel-chamber and gas-flue, an inclined bed 15, and an imperforate rocking bed 16, forming the bottom of the fuel-chamber, said bed being arranged to tilt forward and discharge ashes into the ashbox of the stove, substantially as set forth.
- a stove for burning bituminous coal having a front, fuel-chamber 3, a gas-chamber 12, a pendent air-duct 9, between said chambers, an inclined bed 15, at the bottom of the chamber 12, and a rocking bottom 16, beneath the fuel-chamber, said bottom having a pendent apron 16 on its rear edge adjacent to the sloping back, whereby, when the said bottom is rocked to dump ashes from the fuel-chamber the apron thereon substantially closes the passage under the duct 9, as set forth.
- a stove for burning bituminous coal having a metal cross bar at the lower part of its front and a rocking bed 16, pivotally mounted at the bottom of the fuel-chamber, said bed having upwardly projecting serrations or teeth 16, on its front edge which take under said metal bar, substantially as and for the purposes set forth.
- a stove for burningbituminous coal having an oven with a passage for gases over the same, a combustion chamber in front of said oven, a perforated transverse air-duct which divides said chamber into a fuel-chamber and gas passage, said duct having its top on about the same level as the oven whereby a gaschamber 11, is formed above the transverse air-duct, a rootEplate over the fuel-chamber and connecting the transverse air-duct with the stove-front, and a duct for admitting air to the top of said transverse duct, substantially as set forth.
- Astove for burning bituminous coal having a pendent air-duct 9, perforated at its lower part only for the escape of air therefrom and extending transversely across the combustion and fuel-chamber, and a supply air-duct arranged above and forming a roof over the fuel-chamber of the stove, said supply duot receiving air from an opening in the 20 stove-front above the charging door and de livering it to the transverse duct 9 at the top of the latter, substantially as set forth, whereby the duct 9 is supplied with air at its middle part as Well as at its ends.
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Solid-Fuel Combustion (AREA)
Description
(No Modl.)
W. A. GREENE. STOVE 0R RANGE FOR BURNING BITUMINOUSCOAL.
No. 529,376. Y 'Patented Nov. 20, 1894.
. a C H" i FE i WM"? #8 n: I I a A I, 0i
INVENTOR: CgVITNESSES: f vy flttorn ey.
' NITED STATES PATENT twice.
WILLIAM A. GREENE, OF OCEAN GROVE, ASSIGNOR OF ONE-HALF TO EDWVIN R. CAHOONE, OF NEWARK, NEYV JERSEY.
STOVE OR RANGE FOR BURNING BITUMINOUS COAL.
SPECIFICATION forming part of Letters Patent No. 529,376, dated November 20, 1894:.
Application filed December 21,1893. Serial No. 494,246. (No model.)
T at whom it may concern:
Be it known that 1, WILLIAM A. GREENE, a citizen of the United States, residing at Ocean Grove, in the county of Monmouth and State of New Jersey, have in vented certain new and useful Improvements in Stoves or Ranges for Burning Bituminous Goal, of which the following is a specification.
My invention relates to the class of stoves,
1o ranges and furnaces for burning soft or bituminous coal wherein the object of the construction is to effect such complete combustion that freecarbon is substantially eliminated and the generation of smoke thereby I 5 avoided. p
The object of this invention is to provide a stove, range, or furnace wherein such fuel may be burned with complete combustion of the carbon and wherein provision is made against the rapid destruction of the parts from the intense heat evolved.
Other improvements in the details of construction of the stove or range will be hereinafter described and the novel features of the invention will be carefully defined in the claims.
In the accompanying drawings, wherein the invention is represented as embodied in a cooking stove-Figure l is a vertical section 0 of the stove in the plane indicated by the line 00, :c, in Fig. 3. Fig. 2 is a front elevation of the stove. Fig. 3 is a plan of the stove with portions of the upper part broken away to better show the interior construction.
The stove herein shown is,in its outer form or contour, substantially the same as an ordinary cooking stove and will require no minute description.
1 is the oven; 2, the ash-box; 3, the fuel chamber, and 4 the charging door at which soft coal is supplied to the fuel chamber. This door has in it a suitable register to regulate the admission of air when the door is closed, or it may have in it permanently open aper- 5 tures if preferred.
In the front of the stove is a grating, 5, at which air may enter the fuel chamber below the charging door, and 6 is a door hung to the stove-front and covering said grating 5.
This door extends down to the removable hearth-plate, 7, or nearly so, and has in it a suitable register, 8, to regulate the admission of air.
The interior of that portion of the stove where combustion takes place is lined with 5 fire-brick or tiles to protect the metal and to maintain a high temperature, and extending across the fuel-chamber is an air-duct, 9, which is housed at its ends in the fire-brick lining at the sides of the chamber. This duct is preferably of iron or steel and has,in crosssection a somewhat triangular form. It is open at its ends for the entry of air, as indicated by the arrows in Fig. 3, and has perforations in its lower, rounded edge and in its front side near the lower edge, as indicated at 10, in Fig. 1. The crown or top of this duct will be about on a level with the top of the oven, thus leaving a chamber 11, above it so that the hot gases ascending at the back of the duct through the gas-chamber or flue, 12, may have free access to the bottom of a vessel on the front pot-holes of the stove.
From the front, upper edge of the duct 9, an inclined roof-plate, 13, extends to the front 7 wall of the stove which it meets at or near the junction of said wall with the top plate of the stove. At about the middle of the width of the stove is a flat air-duct, 14, of which the inclined plate 13, forms the bottom. This air-duct let, opens into the crown of the transverse duct 9, and at the other end opens out through the front of the stove above the charging door.
At the back of the fuel-chamber 3, is an inclined bed, 15, of refractory material, the inclination of which will be, preferably, about 45 degrees. The fuel chamber has a rocking bed, 16, seen in its normal position in full lines in Fig. Land represented in its extreme 9o rocked or tilted position in dotted lines in that figure. This bed 16, is not apertured, but consists of a metal plate covered with a layer of refractory material and providedwith end pivots, 16, one of which projects to receive a crank for rocking the bed. At its front the bed has an upturned, serrated margin, 16 (see Fig. 2) which takes under and bears on a metal cross-bar of the stove front when the bed is in its normal position. At its I00 rear edge the bed 16, fits up snugly to the lower margin of the inclined bed 15, and it has at this edge a pendent apron, 16, provided with a catch, 16 to take under the inclined bed 15 and act as a detent to prevent the rocking of the bed 16 too far.
The stove is provided with a damper, 17, of the usual kind, to direct the hot gases through the flue, 18, about theoven, before they reach the stove pipe, 19. When this damper is open the gases pass directly to the pipe.
I will now explain the operation of the stove and point out its advantages. The damper 17 and charging door are opened and soft coal placed on the rocking bed until the fuelchamber is filled up to a point a little above the bottom of the air-duct 9. The kindling and shavings are placed on top of the coal in front of the duct 9, and ignited and the drafts at the front of the stove opened. The draft will be downward and lateral through the fuel which will soon be coked and will burn with an intense heat; The air supplied by the duct 9, insures complete and perfect combustion and the gases flowing upward in the chamber or flue 12, will be free from uncombined carbon and consist substantially of carbon dioxide. "When the fire burns down additional fuel may be added at the charging door and this fresh fuel will coke and become gradually incandescent from the heat below.
When the fuel cakes or becomes massed, as it is apt to be in burning soft coal, the bed 16, may be rocked, when the teeth or serrations 16*, will serve to break any coke that may interpose between them and the bar above. The rocking motion shakes and loosens up the mass of fuel and the ashes work out at the front. The apron 16, at the back of the rocking bed rises when the latter is rocked and prevents the coke on the inclined bed from sliding down to the front or falling through into the ash-box. The inclined bed 16 slopes down to the level of the rocking bed, and when this latter is tilted forward the apron 16 substantially closes the passage beneath the air-duct 9 and between it and the bed 16. g
The function of the flat air-duct 14, is to admit air to the middle part of the transverse duct 9. I have found that when air is admitted to such a duct at its ends only this air will never reach the middle part of the duct but be taken away by the draft of the stove through the perforations 10, near the ends of the duct, thus leaving the middle part of the duct exposed to the intense heat without the protection afforded by the incoming cool air. The duct 14, supplies the air to this middle part of the transverse duct and protects the latter from injury from the heat.
The duct 9, of metal has important advantages over pendent partitions of fire-brick as the latter soon crack and break down and it has obvious advantages over a waterleg such as is sometimes employed in boiler furnaces. These legs cannot be employed in stoves and ranges.
My construction produces a durable stove and one that can be operated by an unskilled attendant quite as well as can the ordinary hard coal range.
The application of my improvements to a range or heater will require only slight variations from the construction shown. I may also admit air at a point in the inclined bed 15 froma duct 15 in said bed as shown in Fig. 1. The air may come from the oven, as indicated or from any other point.
By making the duct 14 of sufficient width all of the air may be supplied to the duct 9 thereat and the ends of the duct 9 may then be closed.
Having thus described my invention, I claim- 1. A stove for burning bitu minous coal having a fuel-chamber with a non-apertured bottom or bed and apertures at the front for lateral draft, a perforated air-duct 9, extending across the fuel-chamber and open to the air at its ends, an air-duct 14, opening into the crown of the transverse duct at its middle, a gas chamber 11 over the duct 9, and fuelchamber and separated from the latter, and a gas flue 12, at the back of said duct, all arranged substantially as set forth.
2. A stove for burning bituminous coal, having a fuel-chamber 3, a gas flue 12, a transverse air-duct between said fuel-chamber and gas-flue, an inclined bed 15, and an imperforate rocking bed 16, forming the bottom of the fuel-chamber, said bed being arranged to tilt forward and discharge ashes into the ashbox of the stove, substantially as set forth.
3. A stove for burning bituminous coal, having a front, fuel-chamber 3, a gas-chamber 12, a pendent air-duct 9, between said chambers, an inclined bed 15, at the bottom of the chamber 12, and a rocking bottom 16, beneath the fuel-chamber, said bottom having a pendent apron 16 on its rear edge adjacent to the sloping back, whereby, when the said bottom is rocked to dump ashes from the fuel-chamber the apron thereon substantially closes the passage under the duct 9, as set forth.
4. The combination with a stove having a fuel-chamber 3, a gas-flue 12, and a transverse, perforated air-duct 9, in the chamber in the stove and open to the air at its ends, and a charging door in the front of the stove, of an inclined roof-plate 13, extending from the upper edge of the transverse duct to the front of the stove and over the fuel-chamber, and an air-duct 14, extending from the middle part of the duct 9, to the front of the stove above the charging door, substantially as set forth.
5. A stove for burning bituminous coal having a metal cross bar at the lower part of its front and a rocking bed 16, pivotally mounted at the bottom of the fuel-chamber, said bed having upwardly projecting serrations or teeth 16, on its front edge which take under said metal bar, substantially as and for the purposes set forth.
6. A stove for burningbituminous coal having an oven with a passage for gases over the same, a combustion chamber in front of said oven, a perforated transverse air-duct which divides said chamber into a fuel-chamber and gas passage, said duct having its top on about the same level as the oven whereby a gaschamber 11, is formed above the transverse air-duct, a rootEplate over the fuel-chamber and connecting the transverse air-duct with the stove-front, and a duct for admitting air to the top of said transverse duct, substantially as set forth.
7. Astove for burning bituminous coal having a pendent air-duct 9, perforated at its lower part only for the escape of air therefrom and extending transversely across the combustion and fuel-chamber, and a supply air-duct arranged above and forming a roof over the fuel-chamber of the stove, said supply duot receiving air from an opening in the 20 stove-front above the charging door and de livering it to the transverse duct 9 at the top of the latter, substantially as set forth, whereby the duct 9 is supplied with air at its middle part as Well as at its ends.
8; The combination with a stove having a fuel-chamber 3, a gas-chamber l2, anda perforated, hollow, pendent transverse duct 9, of the rocking bottom 16, and the inclined back 15, having an air-duct 15, to supply air for 30 combustion, as set forth.
In witness whereof I have hereunto signed my name in the presence of two subscribing
Publications (1)
Publication Number | Publication Date |
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US529376A true US529376A (en) | 1894-11-20 |
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US529376D Expired - Lifetime US529376A (en) | Stove or range for burning bituminous coal |
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