US1450229A - Furnace of locomotives - Google Patents
Furnace of locomotives Download PDFInfo
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- US1450229A US1450229A US387746A US38774620A US1450229A US 1450229 A US1450229 A US 1450229A US 387746 A US387746 A US 387746A US 38774620 A US38774620 A US 38774620A US 1450229 A US1450229 A US 1450229A
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- Prior art keywords
- furnace
- air
- chamber
- fuel
- firebox
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C1/00—Combustion apparatus specially adapted for combustion of two or more kinds of fuel simultaneously or alternately, at least one kind of fuel being either a fluid fuel or a solid fuel suspended in a carrier gas or air
Definitions
- T 0 (4H ib/iom it may cmiceru l Be it known that I, John Grouse ROI-HEP son, a subject of the King or Great Britain. and a resident of airfield, lilanchester. England. have invented certain new and useful Improvements in the Furnaces of Locomotives, of Which the following is a specification.
- This invention relates to inuiirovements in and connected with the furnaces oi. steam generators adapted for burning of pulverized fuel or liquid fuel and in particularto $021111 generators of the loc t EIOXH experience it'has been found that the ordinary type of locomotive boiler is not suitable for burnin pulverized or liquid fuel. vTo economically burn such fuel it is desirable to provide a firebox. of greater "volume in relation to the Water cooled surfaces than is usually available in the ordinary type of locomotive boiler burningsolid fuel on a tire grate. t is also desirable in burning pulverized or liquid fuel in a loconiotive type boilerto give ample accommodation for the longflame produced in the course of combustion.
- the object of the present invention is to provide a furnace in which the desired conditions are attained and the invention consists broadly of a furnace comprising a shell containing the firebox and furnace surrounded by a continuous Water space, a cylindrical combustion chamber or retractory material located in the lower part of said shell a cylindrical corrugated exten sion of said shell proceeding rearwardlv from the brick arch of the furnace and terminating in a tube plate and means for in troducing pulverized or liquid fuel and air into the ire box.
- the fire box As a gas generator and to provide a cou'ibustion chamber extending t rel of the boiler, the end of the said ch inber forming: a tube plate.
- such an extension is adapted to form only a portion of the combustion chamber or fire box' proper.
- the extension proceeding ]'ill ⁇ 'ill(ll from the brick arch of the lurnau'ae and, terminating in the boiler tube, plate is prci'erably corrugaterh and further features oi the invention consist in the provision of ports in the lining of the fire box. said ports com n'lunicating With an air chamber, and tho omotive tvpei herel 'rom into the b:.ir
- .L Of the furnace illustrating a slight use when lionid fuel is cm- 4 a fragmentary view 1' modification in detail illustrated in Fig. 3. these drawings the numeral firebox of a locomotive on is supported in spaced by stays 3 so that the continuous around the Wii of the furnace.
- the ell 2 In the bottom of the the ell 2 are semi-circular y resist internal pres- 8 1'6 (1 cro he sh plate 5 is extended a. 9 into the boiler and is tube carried by a circular corrugated tube. 6 the inner or open end interior of the fur with the rich communicates nace.
- a sump or extension 7 air cooled slag box the lower which is normally 0 eter as to permit of a man enterof such diam in the furn
- This cons it C (3 ing or cornbi auxiliary air on
- the inner inning (l interior truction enables the usu and door to be dispensed place is substituted lTlie pulverized i c 1 oezllvercd through a iuel tube mug chamberiamber of a circular o constituting an or open end of I losed by a door 8 and is or repairs.
- al fire hole with and. in a sight tube fuel and primary air are 10 into a mixl1 and induced rs the chamber 11 through 2 and 13.
- the air chambers 15 communicate at their inner ends with an annular chamber 1? surrounding'the mixing or combining chamber 11 which annular chamber is in communication with the auxiliary air conduit 12 thew hol consisting preferably of a single easting oflsuitable design,
- Theauxiliary air conduits 12 and-13are'controlled by adjustable dampersin the'usual manneeand the air admit-ted through these conduits combines with the injected fuel and primary airwithin the circular combustion chamber 18 as before indicated.
- furnaces are also adapted forthe burning of liquid fuel in which case the front and the bottom of the furnace is preferably provided with a fire bar grate 19 upon which is spread small broken pieces of refractory material upon which the liquid fuel is sprayed as illusin Fig. 3, the pulverized fuel burner being replaced by a liquid fuel burner 20 which may be operated by eithercompressed air or steam. That is to say, a Supplyof steam or air entering through the pipe 21 may be used to induce an ejection of liquid fuel from the pipe 22 to the burner nozzle 2;), a suitable control valve indicated at.'24 being provided. Water tubes 25 may be provided with advantage beneath the brick .arch 26.
- a fu'rnace for a steam generator comprising in combination, a shell, a firebox disposed in spaced relation within said shell so as to form a continuous water space surlcuunding said firebox, a cylindrical combustion chamber of refractory material located lar space in the lower part of said furnace, an annuaround said combustion chamber which space is open to the atmosphere at its outer end, a plurality of perforations in said combustion chamber effecting communication between the interior of the same and said annular space, means for projecting liq uid fuel mto the interior of said combustion .chamber. and a cylindrical corrugated extension, of said firebox which extends rearwardly from the usual brick arch of the furnace and terminates in a tube-plate which effects closure of the inner end of said corrugated.extensio1i.
- a furnace for a steam generator com prising in combination a shell, :1 firebox disposed in spaced relation within said shell so as to form a continuous Water space surrounding said firebox, a cylindrical combustion chamber of refractory material located in the lower part of said furnace, an annular space around said combustion chamb'hr which space is open to the atmosphere at its outer end, means for controlling the admission of air to saidannular space, a plurality of perforations in said combustion chamber effecting communication between theinterior of the same and said annular space, means for projecting liquid fuel into the in terior of said combustion chamber, means for admitting air to the interior of the same with said fuel, means for controlling the admission of such air, and a cylindrical cor rugated extension of said firebox which extends rearwardly from the usual brick arch of the furnace and terminates in a tube plate which effects closure at the inner end of said corrugated extension.
Description
' Apr. 3, 1923.
J. G. ROBINESQN FURNACE OF LOCOMOTIVES Filed June 9, 1920 5 sheets-sheet l 1,450,229 J. G. ROBINSON FURNACE OF LOCOMOTIVES Filed Juno 9, 1920 5 sheets-sheet 2 J. G. ROBlNSON FURNACE OF LOCOMOTIVES Filed June 9, 1920 5 sheets-sheet 5 JOHN GEGRGE- ROB 301i.
sunrises or Locorronvss.
application filesi- E'uue 8,
T 0 (4H ib/iom it may cmiceru l Be it known that I, John Grouse ROI-HEP son, a subject of the King or Great Britain. and a resident of airfield, lilanchester. England. have invented certain new and useful Improvements in the Furnaces of Locomotives, of Which the following is a specification.
This invention relates to inuiirovements in and connected with the furnaces oi. steam generators adapted for burning of pulverized fuel or liquid fuel and in particularto $021111 generators of the loc t EIOXH experience it'has been found that the ordinary type of locomotive boiler is not suitable for burnin pulverized or liquid fuel. vTo economically burn such fuel it is desirable to provide a firebox. of greater "volume in relation to the Water cooled surfaces than is usually available in the ordinary type of locomotive boiler burningsolid fuel on a tire grate. t is also desirable in burning pulverized or liquid fuel in a loconiotive type boilerto give ample accommodation for the longflame produced in the course of combustion.
The object of the present invention is to provide a furnace in which the desired conditions are attained and the invention consists broadly of a furnace comprising a shell containing the firebox and furnace surrounded by a continuous Water space, a cylindrical combustion chamber or retractory material located in the lower part of said shell a cylindrical corrugated exten sion of said shell proceeding rearwardlv from the brick arch of the furnace and terminating in a tube plate and means for in troducing pulverized or liquid fuel and air into the ire box.
In a locomotive boiler it has previously been proposed to construct the fire box as a gas generator and to provide a cou'ibustion chamber extending t rel of the boiler, the end of the said ch inber forming: a tube plate. in the present invention such an extension is adapted to form only a portion of the combustion chamber or fire box' proper.
The extension proceeding ]'ill\\'ill(ll from the brick arch of the lurnau'ae and, terminating in the boiler tube, plate is prci'erably corrugaterh and further features oi the invention consist in the provision of ports in the lining of the fire box. said ports com n'lunicating With an air chamber, and tho omotive tvpei herel 'rom into the b:.ir
prev l i dra Wing's.
In these drawings F section and F lower part of a modification for ploycd andpl ig. illustrating a furthe of the furnace Referring to l designates the This fireb boiler. relation to the water spaces 4 bottom sides an the present example box 1 and of t so as to more readil sure.
The firebox considerable distanc shell 2 Serial Tic. 387,746.
isiori of an axially disposed iuel 'i-l l'lfi eading to a mixing chamber arv air is supplied.
()ther features will be a following .escription and read in conjunc to which auxilpparent from the appended claims tion with the accompanying 1 is a longitudinal 2 a transverse section constructed in accordion.
.L Of the furnace illustrating a slight use when lionid fuel is cm- 4 a fragmentary view 1' modification in detail illustrated in Fig. 3. these drawings the numeral firebox of a locomotive on is supported in spaced by stays 3 so that the continuous around the Wii of the furnace. In the bottom of the the ell 2 are semi-circular y resist internal pres- 8 1'6 (1 cro he sh plate 5 is extended a. 9 into the boiler and is tube carried by a circular corrugated tube. 6 the inner or open end interior of the fur with the rich communicates nace.
In the bottom of the furnace there is provided a sump or extension 7 air cooled slag box the lower which is normally 0 eter as to permit of a man enterof such diam in the furn This cons it C (3 ing or cornbi auxiliary air on The inner inning (l interior truction enables the usu and door to be dispensed place is substituted lTlie pulverized i c 1 oezllvercd through a iuel tube mug chamberiamber of a circular o constituting an or open end of I losed by a door 8 and is or repairs. al fire hole with and. in a sight tube fuel and primary air are 10 into a mixl1 and induced rs the chamber 11 through 2 and 13.
for examination 11. communicates with the ombnstion chamber 18 composed of re fructory material which Chamber is provided which establish interior of such air chambers l constituted by sections 16 of re with a plurality of ports 14 communication between the. chamber and a plurality of 5. These air chambers are employing hollow bricks or tractor material in the con struction of the Walls of sucltcombustion chamber.
'ti'ated 1 other source to a chamber The air chambers 15 communicate at their inner ends with an annular chamber 1? surrounding'the mixing or combining chamber 11 which annular chamber is in communication with the auxiliary air conduit 12 thew hol consisting preferably of a single easting oflsuitable design, Theauxiliary air conduits 12 and-13are'controlled by adjustable dampersin the'usual manneeand the air admit-ted through these conduits combines with the injected fuel and primary airwithin the circular combustion chamber 18 as before indicated. The above construction of furnaces is also adapted forthe burning of liquid fuel in which case the front and the bottom of the furnace is preferably provided with a fire bar grate 19 upon which is spread small broken pieces of refractory material upon which the liquid fuel is sprayed as illusin Fig. 3, the pulverized fuel burner being replaced by a liquid fuel burner 20 which may be operated by eithercompressed air or steam. That is to say, a Supplyof steam or air entering through the pipe 21 may be used to induce an ejection of liquid fuel from the pipe 22 to the burner nozzle 2;), a suitable control valve indicated at.'24 being provided. Water tubes 25 may be provided with advantage beneath the brick .arch 26. If desirable, additional air may be supplied from a fan or 28 as illustrated in Whatl claim and desire to securehy Letters Patent is I 1. A fu'rnace for a steam generator, comprising in combination, a shell, a firebox disposed in spaced relation within said shell so as to form a continuous water space surlcuunding said firebox, a cylindrical combustion chamber of refractory material located lar space in the lower part of said furnace, an annuaround said combustion chamber which space is open to the atmosphere at its outer end, a plurality of perforations in said combustion chamber effecting communication between the interior of the same and said annular space, means for projecting liq uid fuel mto the interior of said combustion .chamber. and a cylindrical corrugated extension, of said firebox which extends rearwardly from the usual brick arch of the furnace and terminates in a tube-plate which effects closure of the inner end of said corrugated.extensio1i.
2.. A furnace for a steam generator com prising in combination, a shell, :1 firebox disposed in spaced relation within said shell so as to form a continuous Water space surrounding said firebox, a cylindrical combustion chamber of refractory material located in the lower part of said furnace, an annular space around said combustion chamb'hr which space is open to the atmosphere at its outer end, means for controlling the admission of air to saidannular space, a plurality of perforations in said combustion chamber effecting communication between theinterior of the same and said annular space, means for projecting liquid fuel into the in terior of said combustion chamber, means for admitting air to the interior of the same with said fuel, means for controlling the admission of such air, and a cylindrical cor rugated extension of said firebox which extends rearwardly from the usual brick arch of the furnace and terminates in a tube plate which effects closure at the inner end of said corrugated extension.
In testimony whereof I afiix my signature in presence of two witnesses.
JOHN GEORGE ROBINSON.
Witnesses:
.Tiis. EDGE, lVlABl-ZL NORTH.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US387746A US1450229A (en) | 1920-06-09 | 1920-06-09 | Furnace of locomotives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US387746A US1450229A (en) | 1920-06-09 | 1920-06-09 | Furnace of locomotives |
Publications (1)
Publication Number | Publication Date |
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US1450229A true US1450229A (en) | 1923-04-03 |
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Application Number | Title | Priority Date | Filing Date |
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US387746A Expired - Lifetime US1450229A (en) | 1920-06-09 | 1920-06-09 | Furnace of locomotives |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2447482A (en) * | 1945-04-25 | 1948-08-24 | Westinghouse Electric Corp | Turbine apparatus |
US2464791A (en) * | 1943-11-05 | 1949-03-22 | Claude A Bonvillian | Apparatus for the combustion of fuel |
US2554401A (en) * | 1946-07-18 | 1951-05-22 | Willard L Christensen | Combustion apparatus provided with gas backflow-inducing means adjacent the nozzles |
US2568192A (en) * | 1948-01-08 | 1951-09-18 | James E Histed | Air draft regulator for oil burners |
US2643708A (en) * | 1945-05-04 | 1953-06-30 | Preferred Utilities Mfg Corp | Oiol burner carburetion |
US2876763A (en) * | 1955-06-15 | 1959-03-10 | Hunter | Multiple fuel burner and space heater |
US3150708A (en) * | 1961-11-10 | 1964-09-29 | Gulf Research Development Co | Perforated tube combustion apparatus and process |
US3298418A (en) * | 1964-04-08 | 1967-01-17 | Master Cons Inc | Oil burner |
US3348598A (en) * | 1965-03-08 | 1967-10-24 | Falls Stamping And Welding Com | Burner and its operation |
US3400921A (en) * | 1965-10-06 | 1968-09-10 | Babcock & Wilcox Co | Fuel burner |
US4397295A (en) * | 1979-11-12 | 1983-08-09 | Bakker A | Burner for burning pulverized fuel |
-
1920
- 1920-06-09 US US387746A patent/US1450229A/en not_active Expired - Lifetime
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2464791A (en) * | 1943-11-05 | 1949-03-22 | Claude A Bonvillian | Apparatus for the combustion of fuel |
US2447482A (en) * | 1945-04-25 | 1948-08-24 | Westinghouse Electric Corp | Turbine apparatus |
US2643708A (en) * | 1945-05-04 | 1953-06-30 | Preferred Utilities Mfg Corp | Oiol burner carburetion |
US2554401A (en) * | 1946-07-18 | 1951-05-22 | Willard L Christensen | Combustion apparatus provided with gas backflow-inducing means adjacent the nozzles |
US2568192A (en) * | 1948-01-08 | 1951-09-18 | James E Histed | Air draft regulator for oil burners |
US2876763A (en) * | 1955-06-15 | 1959-03-10 | Hunter | Multiple fuel burner and space heater |
US3150708A (en) * | 1961-11-10 | 1964-09-29 | Gulf Research Development Co | Perforated tube combustion apparatus and process |
US3298418A (en) * | 1964-04-08 | 1967-01-17 | Master Cons Inc | Oil burner |
US3348598A (en) * | 1965-03-08 | 1967-10-24 | Falls Stamping And Welding Com | Burner and its operation |
US3400921A (en) * | 1965-10-06 | 1968-09-10 | Babcock & Wilcox Co | Fuel burner |
US4397295A (en) * | 1979-11-12 | 1983-08-09 | Bakker A | Burner for burning pulverized fuel |
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