US2243987A - Oil burner - Google Patents

Oil burner Download PDF

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Publication number
US2243987A
US2243987A US119977A US11997737A US2243987A US 2243987 A US2243987 A US 2243987A US 119977 A US119977 A US 119977A US 11997737 A US11997737 A US 11997737A US 2243987 A US2243987 A US 2243987A
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Prior art keywords
steam
oil
chamber
burner
housing
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US119977A
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Thomas J Stokes
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D11/00Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/87571Multiple inlet with single outlet
    • Y10T137/87587Combining by aspiration
    • Y10T137/87595Combining of three or more diverse fluids

Definitions

  • the invention relates to an oil burner of the type where mixing of the several materials which are to make up the combustion charge is to occur and wherein discharge nozzles for the materials are provided.
  • Another object of the invention is to provide a burner in which the oil which is to be burned is preheated by passing in proximity to the steam by which it will be heated.
  • Another object of the invention is to so arrange and construct the nozzles for the various materials that there will be economical consumption of fuel while obtaining the maximum amount of heat.
  • Another object of the invention is to provide a burner which will give an eflicient combustion charge so as to prevent the accumulation of soot and carbon in the boilers.
  • Fig. 1 is a vertical sectional view of a form of the burner.
  • Fig. 2 is a section taken on the line 2-2 of Fig. 1 in order to show the arrangement of the nozzles and the pipes.
  • Fig. 3 shows a modified form of the combustion end of the burner shown in Fig. 2.
  • Fig. 4 is a section taken on the line 4-4 of Fig. 1 and showing the arrangement of the bafiie against which the fuel is discharged.
  • burners of the type herein described it is desirable to obtain an eflicient mixture of the fuels with air and other materials which are to be included in the combustion such as gas and oil and it is also desirable to atomize the oil so that an explosive mixture occurs which will result in complete combustion of the oil.
  • the combustion will occur adjacent the end where the fuel and air will discharge through the housing or shell and the mixture of oil and steam will discharge in the manifold. These two materials are ignited and burning will occur closely adjacent the end of the burner. It is to be understood that the relative volume of the air, steam and oil can be varied. at will in order to make the desired mixture, depending upon the temperature, pressure and other existing conditions.
  • Fig. 1 shows a form of the invention in which the shell or housing is indicated at 43.
  • This shell is closed at the rear end by the end partition 4
  • These two partitions serve to support an air inlet pipe 43 which discharges into the mixing chamber 44 and the front end of the housing ahead of the partition 42.
  • the discharge end of the housing is restricted at 45 in order to discharge the combustible mixture.
  • An inlet pipe 41 also enters the rear end of the shell 40 through the end partition 4
  • enters the top of the housing and is controlled by a valve 52.
  • the air inlet pipe 43 and the mixing pipe 48 merge together at their forward ends adjacent the partition 42 so that the oil and. steam will be discharged through a perforate area 53 and will be mixed with the air flowing through the pipe 43.
  • a baflle 55 is provided which will serve to cause a turbulence.
  • the steam entering the chamber 50 is discharged into the mixing chamber by the nozzles 58 and 51 which are seen in Fig. 2.
  • Fig. 3 shows a modified form of the partition 42 wherein a single inlet pipe 58 is provided from the chamber 50 into the chamber 44.
  • Figs. 1 and 2 The construction and operation of the parts in Figs. 1 and 2 is such that the air, steam and oil may be mixed in any desired proportions by manipulating the valve 52 in the oil pipe, 60 in the steam pipe to admit oil and steam into the mixing pipe 48, and the valve 5
  • An oil jetting action is obtained by the use of the pipes and nozzles as they are disposed in the several figures so as to cause a suction of air and steam into the rear of the burner so that there will be a complete mixture of the materials.
  • An oil burner including a housing, an oil supply pipe, a steam pipe, said pipes being connected in the housing, an air inlet pipe, a nozzle construction to mix the discharging oil, steam and air from said pipes, a mixing chamber to receive such discharge, and means to discharge steam into said chamber.
  • a burner of the character described comprising a housing, a partition therein dividing said housing into a preheating chamber and a mixing chamber, means to introduce steam to said preheating chamber and means to pass such steam thru said partition to said mixing chamber, and separate pipes to pass air and fuel thru said preheating chamber to discharge into said mixing chamber.
  • a burner of the character described comprising a housing, a partition therein dividing said housing into a preheating chamber and a mixing chamber, means to introduce steam to said preheating chamber and means to pass such steam thru said partition to said mixing chamber, and separate pipes to pass air and fuel thru said preheating chamber to discharge into said mixing chamber, the parts being so arranged that the fuel enters the top of the chamber, the air below the fuel and the steam below the air.

Description

June 3, 1941. STOKES 2,243,987
OIL BURNER- Filed Jan. 11, 1937 T. J: STOKES.
BY Him 6 (30am ATTCRNEY-S.
Patented June 3, 1941 UNITED STATES PATENT OFFICE OIL BURNER Thomas J. Stokes, Houston, Tex.
Application January 11, 1937, Serial No. 119,977
3 Claims.
The invention relates to an oil burner of the type where mixing of the several materials which are to make up the combustion charge is to occur and wherein discharge nozzles for the materials are provided.
It is one of the objects of the invention to provide a burner in which oil, air, and steam may be mixed together in the proper proportions so v as to obtain a combustion charge.
Another object of the invention is to provide a burner in which the oil which is to be burned is preheated by passing in proximity to the steam by which it will be heated.
Another object of the invention is to so arrange and construct the nozzles for the various materials that there will be economical consumption of fuel while obtaining the maximum amount of heat.
Another object of the invention is to provide a burner which will give an eflicient combustion charge so as to prevent the accumulation of soot and carbon in the boilers.
Other and further objects of the invention will be readily apparent when the following description is considered in connection with the accompanying drawing wherein:
Fig. 1 is a vertical sectional view of a form of the burner.
Fig. 2 is a section taken on the line 2-2 of Fig. 1 in order to show the arrangement of the nozzles and the pipes.
Fig. 3 shows a modified form of the combustion end of the burner shown in Fig. 2.
Fig. 4 is a section taken on the line 4-4 of Fig. 1 and showing the arrangement of the bafiie against which the fuel is discharged.
In burners of the type herein described it is desirable to obtain an eflicient mixture of the fuels with air and other materials which are to be included in the combustion such as gas and oil and it is also desirable to atomize the oil so that an explosive mixture occurs which will result in complete combustion of the oil.
In operation, the combustion will occur adjacent the end where the fuel and air will discharge through the housing or shell and the mixture of oil and steam will discharge in the manifold. These two materials are ignited and burning will occur closely adjacent the end of the burner. It is to be understood that the relative volume of the air, steam and oil can be varied. at will in order to make the desired mixture, depending upon the temperature, pressure and other existing conditions.
Fig. 1 shows a form of the invention in which the shell or housing is indicated at 43. This shell is closed at the rear end by the end partition 4| and is divided intermediate its ends by another partition 42. These two partitions serve to support an air inlet pipe 43 which discharges into the mixing chamber 44 and the front end of the housing ahead of the partition 42. The discharge end of the housing is restricted at 45 in order to discharge the combustible mixture.
An inlet pipe 41 also enters the rear end of the shell 40 through the end partition 4| and serves to discharge steam into the mixture pipe 48. This same inlet also enters the lower portion of the housing 40 by means of the branch pipe 49 so that steam may also be discharged into the rear chamber 50 of the housing.
An oil inlet pipe 5| enters the top of the housing and is controlled by a valve 52.
As seen in Fig. 1, the air inlet pipe 43 and the mixing pipe 48 merge together at their forward ends adjacent the partition 42 so that the oil and. steam will be discharged through a perforate area 53 and will be mixed with the air flowing through the pipe 43. As this mixture discharges into the mixing chamber 44 a baflle 55 is provided which will serve to cause a turbulence. The steam entering the chamber 50 is discharged into the mixing chamber by the nozzles 58 and 51 which are seen in Fig. 2.
Fig. 3 shows a modified form of the partition 42 wherein a single inlet pipe 58 is provided from the chamber 50 into the chamber 44.
The construction and operation of the parts in Figs. 1 and 2 is such that the air, steam and oil may be mixed in any desired proportions by manipulating the valve 52 in the oil pipe, 60 in the steam pipe to admit oil and steam into the mixing pipe 48, and the valve 5| in the steam pipe entering the chamber 50.
An oil jetting action is obtained by the use of the pipes and nozzles as they are disposed in the several figures so as to cause a suction of air and steam into the rear of the burner so that there will be a complete mixture of the materials.
What is claimed is:
1. An oil burner including a housing, an oil supply pipe, a steam pipe, said pipes being connected in the housing, an air inlet pipe, a nozzle construction to mix the discharging oil, steam and air from said pipes, a mixing chamber to receive such discharge, and means to discharge steam into said chamber.
2. A burner of the character described comprising a housing, a partition therein dividing said housing into a preheating chamber and a mixing chamber, means to introduce steam to said preheating chamber and means to pass such steam thru said partition to said mixing chamber, and separate pipes to pass air and fuel thru said preheating chamber to discharge into said mixing chamber.
3. A burner of the character described comprising a housing, a partition therein dividing said housing into a preheating chamber and a mixing chamber, means to introduce steam to said preheating chamber and means to pass such steam thru said partition to said mixing chamber, and separate pipes to pass air and fuel thru said preheating chamber to discharge into said mixing chamber, the parts being so arranged that the fuel enters the top of the chamber, the air below the fuel and the steam below the air.
THOMAS J. STOKES.
US119977A 1937-01-11 1937-01-11 Oil burner Expired - Lifetime US2243987A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550848A (en) * 1948-03-16 1951-05-01 American Steel & Wire Co Method of operating open-hearth furnaces
US5022850A (en) * 1990-03-23 1991-06-11 Atlantic Richfield Company Pilot flame apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2550848A (en) * 1948-03-16 1951-05-01 American Steel & Wire Co Method of operating open-hearth furnaces
US5022850A (en) * 1990-03-23 1991-06-11 Atlantic Richfield Company Pilot flame apparatus

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