US445999A - Gas-fired boiler - Google Patents

Gas-fired boiler Download PDF

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US445999A
US445999A US445999DA US445999A US 445999 A US445999 A US 445999A US 445999D A US445999D A US 445999DA US 445999 A US445999 A US 445999A
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gas
air
chamber
combustion
burners
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C99/00Subject-matter not provided for in other groups of this subclass

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  • FIG. 1 represents a central longitudinal section of the invention.
  • Fig. 2 represents a cross-section on the line X X shown in Fig. l.
  • Fig. 3 represents a cross-section on the line 'Y Y, also shown in Fig. l; and
  • Fig. 4 represents a modilication of the invention as applied to a battery or group of boilers.
  • A represents a steam-boiler of any well-known form or construction
  • B represents the bricl-w01-k in which the same is set, as usual.
  • C is the flue or chamber below the boiler, and C is the forward part thereof or what is generally termed the fire-box.7
  • D is the bridge, and E is the grate, as usual.
  • G and Il represent, respectively, the doors in front of the fire-box and ash-pit, as usual.
  • I is the combustion-chamber, which is separated from the flue or chamber C by means of the horizontal wall or name-plate K, as shown in Figs. l and 3. From the forward end of the combustion-chamber I leads a vertical conduit I', connected by means of horizontal passages t' a' to the rear of the fire-box C', as shown in Fig. l.
  • the rear portion of the combustion chamber I are located the respective air and gas supply pipes L and M, which are preferably made long enough to extend the whole Width of the combustion-chaniber I, as shown in Fig.
  • the outer or supply ends of said air or gas pipes are provided with respective suitable valves or cut-offs Z m, (shown in Fig. 3,) by means of which the amount of air and gas supplied to the combustioirchamber is regulated or altogether cut off,as may be desired.
  • the air-pipe L is connected directly to theatmosphere outside of the combustion* chamber, and the gas-supply pipe M is connected to the gas-main or other source of producer or other fuel gas in any Well-known manner.
  • the supply of air and gas should each be equal throughout the width of the combustion-chamber, so as to prevent one side of the latter from being heated more than the other, and for this purpose I provide the said air and gas supply pipes L M with the respective tapering delivery vents or burners L M', which latter are made gradually increased from the direction of supply, as shown by arrows in Fig. 3.
  • the object of making said vents or burners gradually increased in the direction of the air and gas supplies is for the purpose of producing an equal delivery throughout the length of said air and gas pipes independent of the resistance in the same, by which I obtain a uniform heat and combustion of the combined gases throughout the entire width of the combustion-chamber.
  • escaping gas of which may be ignited for the purpose of igniting the air and gas escaping into the leombustion-chamber from the vents or burners L M.
  • N represents a door or gate covering an openingin the side of the combustioncham- Y ber I, through which the combustion of the gases may be ascertained or the gas ignited, as may be desired.
  • the doors G and H are kept closed.
  • the air and fuelgas are admitted into the comb ustion-chamber I through the respective tapering vents or burners L M and there ignited, causing an equal supply throughout the entire width of the combustion-chamber, and the union and combination of such gases being ignited combustion-chamber, up through the conduit IOO I', and out through the passages t' t' into the fire-box C', and from the latter', as heated products, into the flue C below the boiler, and through the heating iiues to the chimney, by which the best and increased heating ⁇ results are obtained.
  • a battery or group of boilers are shown side by side.
  • the vents or burners tapering in opposite directions from the air or gas sup plies, so as to produce an equal delivery of air and gas throughout the width of the combustion-chamber, irrespective of the resistance in the said air and gas supply pipes.
  • the ventsor burners are made increasing in area in proportion as they recede from the source of supply, so as to increase the area of such vents or burners in the proportion to the frictional resistance of the gases in the air and gas supply pipes.
  • a pair of air and gas supply pipes extended laterally in the combustion -chamber and having tapering vents or burners increasing in size from the supply ends, substantially as and for the purpose set forth.
  • a gas-liredfurnace, acombustion-chainber having arranged within it a pair of air and gas supply pipes provided with tapering vents or burners, combined with the vertical conduit l and horizontal passages leading to the fire-box of the furnace, substantially as and for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)

Description

(No Model.)
E. C. JONES. GAS FIRED BOILER.
' 10.445,999. ,Patented Feb. 10, 18191.
UNITED STATES PATENT OFFICEt EDWIARD C. JONES, OF IOSTON, MASSACHUSETTS.
GAS-FIRED BOILER.
SPECIFICATION forming part of Letters Patent No. 445,999, dated February 10, 1891.
Application filed September 22, 1890. Serial No. 365,729. (No model.)
' citizen of the United States, and a resident of Boston, in the county of Suffolk and State of Massachusetts, have invented new and useful Improvements in Gas-Fired Boilers, of which the following, taken in connection with the accompanyingdrawings, is a specification.
This invention relates to improvements in gasred boilers; and it is carried out as follows, reference being had to thc accompanying drawings, wherein- Figure 1 represents a central longitudinal section of the invention. Fig. 2 represents a cross-section on the line X X shown in Fig. l. Fig. 3 represents a cross-section on the line 'Y Y, also shown in Fig. l; and Fig. 4 represents a modilication of the invention as applied to a battery or group of boilers.
Similar letters refer to similar parts wherever they occur on the different parts of the drawings.
In the drawings, A represents a steam-boiler of any well-known form or construction, and B represents the bricl-w01-k in which the same is set, as usual.
C is the flue or chamber below the boiler, and C is the forward part thereof or what is generally termed the fire-box.7
D is the bridge, and E is the grate, as usual.
F represents the ordinary ash-pit below the grate E.
G and Il represent, respectively, the doors in front of the fire-box and ash-pit, as usual.
I is the combustion-chamber, which is separated from the flue or chamber C by means of the horizontal wall or name-plate K, as shown in Figs. l and 3. From the forward end of the combustion-chamber I leads a vertical conduit I', connected by means of horizontal passages t' a' to the rear of the lire-box C', as shown in Fig. l.
IVithin the rear portion of the combustion chamber I are located the respective air and gas supply pipes L and M, which are preferably made long enough to extend the whole Width of the combustion-chaniber I, as shown in Fig. The outer or supply ends of said air or gas pipes are provided with respective suitable valves or cut-offs Z m, (shown in Fig. 3,) by means of which the amount of air and gas supplied to the combustioirchamber is regulated or altogether cut off,as may be desired. The air-pipe L is connected directly to theatmosphere outside of the combustion* chamber, and the gas-supply pipe M is connected to the gas-main or other source of producer or other fuel gas in any Well-known manner.
In devices of this kind it is very desirable that the supply of air and gas should each be equal throughout the width of the combustion-chamber, so as to prevent one side of the latter from being heated more than the other, and for this purpose I provide the said air and gas supply pipes L M with the respective tapering delivery vents or burners L M', which latter are made gradually increased from the direction of supply, as shown by arrows in Fig. 3. The object of making said vents or burners gradually increased in the direction of the air and gas supplies is for the purpose of producing an equal delivery throughout the length of said air and gas pipes independent of the resistance in the same, by which I obtain a uniform heat and combustion of the combined gases throughout the entire width of the combustion-chamber.
In front of the gas-supply pipe M, I have shown a small gas-pipe m', Figs. l and 3, the
escaping gas of which may be ignited for the purpose of igniting the air and gas escaping into the leombustion-chamber from the vents or burners L M.
N represents a door or gate covering an openingin the side of the combustioncham- Y ber I, through which the combustion of the gases may be ascertained or the gas ignited, as may be desired.
In practice I prefer to arrange on the flameplate K a bridge 7- for the purpose of bringing the heated products in more intimate contact with the under side of the boiler A, as shown in Fig. l.
During the operation ofthe device the doors G and H are kept closed. The air and fuelgas are admitted into the comb ustion-chamber I through the respective tapering vents or burners L M and there ignited, causing an equal supply throughout the entire width of the combustion-chamber, and the union and combination of such gases being ignited combustion-chamber, up through the conduit IOO I', and out through the passages t' t' into the lire-box C', and from the latter', as heated products, into the flue C below the boiler, and through the heating iiues to the chimney, by which the best and increased heating` results are obtained. v
In Fig. 4L a battery or group of boilers are shown side by side. In such arrangement of boilers it is not always convenient to supply the air and gas at one side of the combustionchainber, and it may be necessary to use a center supply of air and gas, and in such cases I make the vents or burners tapering in opposite directions from the air or gas sup plies, so as to produce an equal delivery of air and gas throughout the width of the combustion-chamber, irrespective of the resistance in the said air and gas supply pipes. In all cases. however, it will be noticed that the ventsor burners are made increasing in area in proportion as they recede from the source of supply, so as to increase the area of such vents or burners in the proportion to the frictional resistance of the gases in the air and gas supply pipes.
Having thus fully described the nature, construction, and operation of my invention, I Wish to secure by Letters Patent, and claim-,
1. In a gas-fired furnace, a pair of air and gas supply pipes extended laterally in the combustion -chamber and having tapering vents or burners increasing in size from the supply ends, substantially as and for the purpose set forth.
2. ln a gas-liredfurnace, acombustion-chainber having arranged within it a pair of air and gas supply pipes provided with tapering vents or burners, combined with the vertical conduit l and horizontal passages leading to the fire-box of the furnace, substantially as and for the purpose set forth.
3. ln a gas-fired furnace, acombustion-chamber having arranged Within it a pair of air and gas supply pipes provided with tapering vents or burners, combined With the vertical conduit I', horizontal passages t' t', leading to the fire-box, the Haine-plate K, interposed between the combustion-chamber and the iiue below the boiler, and the bridge 7s, substantially as and for the purpose set forth.
In testimony whereof I have signed my name to this specification, in the presence of two subscribing witnesses, on this 15th day of September, A. D. 1890.
.- v EDWARD C. JONES. Witnesses:
ALBAN ANDRN, ALICE A. PERKINS.
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