US3856457A - Burner of the oxy-fuel type - Google Patents

Burner of the oxy-fuel type Download PDF

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Publication number
US3856457A
US3856457A US00319493A US31949372A US3856457A US 3856457 A US3856457 A US 3856457A US 00319493 A US00319493 A US 00319493A US 31949372 A US31949372 A US 31949372A US 3856457 A US3856457 A US 3856457A
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United States
Prior art keywords
tubes
housing
fluid
burner
passage
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00319493A
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English (en)
Inventor
K Miller
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Air Products and Chemicals Inc
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Air Products and Chemicals Inc
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Filing date
Publication date
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Priority to US00319493A priority Critical patent/US3856457A/en
Priority to CA187,335A priority patent/CA988837A/en
Priority to ZA00739307A priority patent/ZA739307B/xx
Priority to AU63393/73A priority patent/AU464654B2/en
Priority to GB5750073A priority patent/GB1457745A/en
Priority to NL7317166A priority patent/NL7317166A/xx
Priority to DE2363151A priority patent/DE2363151A1/de
Priority to FR7346211A priority patent/FR2212912A5/fr
Priority to BE2053328A priority patent/BE809219A/xx
Priority to BR10280/73A priority patent/BR7310280D0/pt
Priority to JP744847A priority patent/JPS5749804B2/ja
Application granted granted Critical
Publication of US3856457A publication Critical patent/US3856457A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Definitions

  • This invention pertains to a burner of the oxy-fuel type used in vessels for melting primary metals or for preheating metals prior to melting in an auxiliary furnace.
  • the burners normally contain a combustion chamber wherein the flame originates and is controlled and directed into specific areas of the vessel or at the materials being heated.
  • Such burners are normally placed in the wall or the roof of the furnace and employ an oxy-fuel mixture such as natural gas and oxygen that is combusted and directed at the proper portion of the furnace.
  • Oxy-fuel burners of the type containing a combustion chamber and which are suitable for high-temperature metallurgical service are shown in US. Pat. Nos. 3,092,166 and 3,135,626. These Patents disclose a burner wherein the combustion chamber is open on the delivery end (flame end) and is closed at the other end, the closed end containing a plurality of inlets for oxidizing fluid, fuel and in some cases a mixture of oxygen and fuel for pilot flames that serve to anchor the flame front to such a plate.
  • US. Pat. No. 3,425,782 discloses a fuel oil-air burner such as is used in commercial heating devices for heating buildings and the like. The Patent discloses a plurality of tubes inside of the main burner housing for inspirating air into the burner for mixing with the fuel oil. This burner is opened on both ends and relies upon the inspiration of air after combustion has been started.
  • the present invention relates to a burner that can be used to produce melting temperatures for primary metal refining vessels, glass furnaces, or other refractory lined heating furnaces heated by burners, using fuel and an oxidizing fluid mixture.
  • the burner of the present invention is fluid cooled and is provided with a plurality of tubes in the form of a bundle which tube bundle terminates at the beginning of the combustion chamber.
  • the tube bundle is constructed so that preferably the fuel can be conducted down through the tubes and the oxidizing fluid can be conducted in the interstices, defined by the tube bundle, and a fluid cooled jacket towards the combustion chamber.
  • the burner of the present invention can be made within certain described parameters for the length and diameter of the combustion chamber so as to minimize the operating noise level of the burner.
  • the number of tubes also effects the noise level and the burner can be made in two sections with a quick change capability so that the combustion chamber end can be easily replaced.
  • FIG. 1 is an isometric drawing of a burner according to the present invention with portions cut away to re veal the interior details thereof.
  • FIG. 2 is a longitudinal section of the burner of FIG. 1 taken along the lines 2-2 of FIG. 1.
  • FIG. 3 is an end view of the burner taken along line 33 of FIG. 1.
  • FIG. 4 is an isometric drawing of a second embodiment of the burner according to the present invention with portions broken away to show the interior details thereof.
  • FIG. 5 is a longitudinal section taken along line 5-5 of FIG. 4.
  • FIG. 6 is a transverse section taken along line 6-6 of FIG. 4.
  • FIG. 7 is a plot of sound level measured in decibels against the length-to-diameter ratio of the combustion chamber of a burner according to either FIG. 1 or FIG. 4.
  • FIG. 8 is a plot of sound level measured in decibels a against burner firing rate in millions of BTU per hour illustrating the ratio of the area of the oxidizing fluid passages to the area of the fuel passages.
  • FIG 1 there is shown a burner 10 preferably fabricated with a two-piece housing 12 and 14.
  • the housing sections 12 and 14 are secured together by a quick-disconnect coupling 16 such as manufactured under the tradename VICTAULIC by the Victaulic Company of America.
  • Such couplings 16 are well known to the industry and form a seal with a pair of circumferential grooves 18 and 20 disposed in the housing sections 12 and 14 respectively.
  • An integral part of the coupling 16 includes a gasket or sealing member 22 to prevent fluid leaks from the burner.
  • Section 14 of burner 10 has a first flange 24 fixed to one end as by girth weld 26.
  • Flange 24 includes a plurality of apertures for receiving bolts 28 for fastening a mating flange 32 having therein an elbow conduit 34 to the flange 24.
  • a sealing member 36 such as a sheet of neoprene rubber or other suitable fluid type gasket material.
  • Disposed within housing section 14 is a water jacket positioning ring 38 having therein a sealing member 40 such as an O-ring.
  • the ring and O-ring 38, 40 support sleeve 42 as will hereinafter be more fully described.
  • Communicating with the interior of section 14 is a first conduit adapter 44 and a second conduit adapter 46 for admitting a source of oxidizing fluid and cooling fluid to the interior of the burner respectively.
  • Burner section 12 includes an outer shell 48 and the inner shell 42 closed at one end by sealing ring 50 as by circumferential weld 51.
  • Section 12 includes a conduit adapter 52 communicating with the interior of the section between sleeves 48 and 42 so that when the sections 12 and 14 are assembled the baffle 54 affixed to section 14 is disposed between the sections 42 and 48 to define a fluid cooling chamber wherein the water or other fluid coolant is admitted through fitting 46, proceeds along the outside of sleeve 42 toward the ring 50 and then is removed through fitting 52 by passing between the inner surface of sleeve 48 and baffle 54 thereby effectively cooling the section 12 of burner 10.
  • the end 50 of burner section 12 is generally referred to as the combustion chamber end which defines a combustion chamber 64 between end 50 of the burner housing and the end 65 of the tube bundle 58.
  • Disposed within the interior of the burner 10 is a plurality of tubes 58.
  • the tubes are arranged in a bundle and define interstices or spaces 60 therebetween.
  • the tubes 58 extend through the flange assembly 24-32-36 on the one end and are coextensive toward the combustion chamber end 50.
  • the tubes 58 are secured together as by a plurality of welds 62.
  • the tubes are held in flange 32 in a fluid-tight relation as by brazing.
  • the interior of tubes communicate through the flange assembly 24-32-36 to the conduit 34 and the interstices communicate with the conduit 44.
  • Passages 57 between tubes 58 adjacent adapter 44 facilitate the flow of the oxidizing fluid in the interstices defined by tubes 58.
  • the conduit 34 is normally connected to a source of fuel gas such as natural gas and the oxidizing fluid conduit 44 is connected to a source of oxygen.
  • the water conduits 46 and 52 are connected to a source of water and a drain area respectively for cooling the burner.
  • the sum of the crosssectional area of the interstices or spaces 60 between the outer surfaces of adjacent tubes 58 and between the outer surfaces of tubes 58 and the adjacent surface of the burner housing define the cross-sectional area of a fluid passage that cross-sectional area of a second fluid passage can be determined by the sum of the crosssectional area of each of the bores of tubes 58 of the tube bundle.
  • the length-to-diameter ratio of the combustion chamber 64 is selected for the proper number so as to minimize the noise level of the burner during operation. For example. if the burner is constucted with four tubes (58) and is to be operated at a firing rate of million BTUs per hour, then curve D is used to select the proper length-to-diameter ratio for minimum operating noise level. In this case, the length to-diameter ratio (L/D) would be 1.5. If the burner having four tubes is to be operated at million Btus per hour, then curve B is used to select the proper (L/D) ratio which is also 1.5. It has been found that a preferred burner is constructed with seven tubes and if so constructed curve C of FIG. 7 shows the optimum L/D ratio of 0.6 for minimizing the operating noise level of the burner. Curve A shows the operating noise level for a standard oxy-fuel burner constructed with a single fuel tube and single oxygen tube concentrically positioned within the combustion chamber.
  • FIG. 8 shows that the preferred ratio of the area of the oxidizing fuel passage A to the area of the fuel gas passage A should be between 0.785 and 1.27.
  • the data for FIGS. 7 and 8 was arrived at by constructing the burner so that the L/D ratios and the A /AG could be varied.
  • the test burner was placed on a horizontal plane with a microphone in a position so that its longitudinal axis was parallel to the axis of the burner at a position 10 feet from the burner nozzle.
  • Sound equipment sold by General Radio including a model 155 l-C Sound Level Meter, a type 1568 wave analyzer, and a type 1521 graphic level recorder were used.
  • Sound analysis records were made of each test firing recording noise level decibels weighted on the C scale with a sound pressure reference level of 20 micro Newtons per meter square to get frequency from 25 to 25,000 Hz.
  • the equipment was calibrated by General Radio prior to the test program and checked prior to each run with a General Radio sound level calibrator. The data was accumulated and the graphs plotted from the accumulated data.
  • the overall length of the tube bundle will be dependent upon the length of the burner which is dependent upon the furnace to which the burner will be applied;
  • FIGS. 7 and 8 will provide a burner of minimum oper ating noise level. It is the primary object of the tube bundle to completely separate the fuel from the oxygen permitting the two to enter the combustion chamber at the same time.
  • a multiplicity of tubes increases the total length of interface between the fuel and oxygen and the larger the number of tubes the better mixing and the quieter the operation of the burner as illustrated by the curves in FIG. 7.
  • FIG. 4 Another embodiment of the present invention with the burner, being generally identified as 63, including a plurality of tubes 82 within the water jacket held together by spacers 83 at the nozzle end 88 of burner 63 as shown in FIG. 6.
  • the water jacket tube bundle 82 extends toward the head 68 of burner 63 through flange 76.
  • Tubes 82 are brazed to flange 76 to provide a fluid-tight seal as shown at 77.
  • Tube 78 passes through flange 76, and is held in fluidtight relation thereto, held in fluid-tight housing section 73 of burner section 74 and brazed to nozzle ring 86 which in turn is welded to the outer shell 85 of burner section 84 thus defining a fluid jacket.
  • the fluid jacket has a first conduit adapter 78 and a second conduit adapter for permitting a cooling fluid to enter adapter 78, flow down through tubes 82, circulate around tubes 82, and contacting ring 86, shell and a portion of the burner section 74 and be removed through adapter 80.
  • This construction of a water jacket greatly increases the ability of the water to cool the burner and provide more efficient operation at elevated temperatures.
  • the burner further includes a flush head 68 and threaded oxidizing gas passage 70 instead of the elbow 34 and conduit adapter 44 respectively of the burner of FIG. 1.
  • the head 68 includes flange 71 and both are held to the burner housing 74-84 by bolts 69 and gaskets 72 to insure a fluid-tight seal with the housing section 73 of the burner shown generally as 63.
  • Burner 63 is made in sections as is burner 10; however, the sections are joined by the permanent flange 76 instead of the coupling 16 of burner 10.
  • the permanent welded structure of burner 63 minimizes the possibility of fluid leaks due to the working loose of the coupling under severe vibrational loading as is normally associated with high pressure fuel burners. Such a construction also makes fabrication of the burner relatively easy.
  • a tube bundle 58 constructed in an identical manner to the tube bundle 58 of burner 10.
  • the bundle is welded on one end 89 as by welds 64 and extend through flange 71 to which they are brazed to insure a fluid-tight fit.
  • the space between the end 89 of bundle 58 and nozzle end 88 of burner 63 defines a combustion chamber 87.
  • the interior of tubes 58' communicate with a threaded aperture 67 in head 68 and the interstices between the tubes 58 communicate with passage 70.
  • the burner of FIG. 4 is identical to that of FIG. 1.
  • a source of fuel naturally gas
  • a source oxidizing fluid oxygen
  • Cooling fluid water
  • the burner is ignited and directed at the material or area being heated.
  • the burners of the present invention as enriched liquid fuel burners by replacing the center tube of bundle 58, 58 with a liquid fuel conduit or otherwise introducing liquid fuel into the combustion chamber 64, 87 for combustion with the oxy-fuel mixture.
  • a nozzle would be required on the delivery end of the liquid fuel conduit to effectively atomize the liquid fuel.
  • a burner of the oxy-fuel type comprising in combination:
  • an elongated generally cylindrical housing having an outer wall and an inner wall with internal fluid cooling passages, said housing defining on one end thereof an opening for producing a flame;
  • a plurality of elongated tubes disposed within said housing, defining a bundle compacted by the inner wall of said housing with the axis of each tube generally parallel to the axis of the other tubes, each of said tubes being spaced apart from the other tubes in said bundle and so constructed and arranged to define a first longitudinal fluid passage having a total cross-sectional area comprising the sum of the individual cross-sectional areas defined by the outside surfaces of adjacent tubes and the outside surfaces of said tubes and the adjacent housing surface said passage being coextensive with the tube bundle, a second longitudinal fluid passage having a cross-sectional area defined by the sum of the cross-sectional areas defined by the bore of each tube in said bundle, said bundle being spaced inwardly from the opening in the housing for producing a flame thereby defining a generally cylindrical combustion chamber;
  • first and second fluids being either a fuel or an oxidizing fluid.
  • a burner according to claim 1 wherein the internal fluid cooling passage is annular in cross-section with a plurality of spaced apart tubes disposed within the annulus for conducting fluid into the annulus, said tubes extending for substantially the length of the passage.
  • a burner of the oxy-fuel type comprising in combination:
  • a generally cylindrical housing having an outer wall and an inner wall with a fluid-tight closure on a first end with the second end being; open thereby defining a combustion chamber or flame end;
  • fluid cooling means disposed within said housing for cooling a portion of the housing extending from the second end towards the first end;
  • a plurality of elongated tubes disposed within said housing, defining a bundle compacted by the inner wall of said housing with the axis of each tube generally parallel to the axis of the other tubes and to the axis of the housing, each of said tubes being spaced apart from the other tubes in said bundle and so constructed and arranged to define a first longitudinal fluid passage having a total crosssectional area comprising the sum of the individual cross-sectional areas defined by the outside surfaces of adjacent tubes and the outside surfaces of said tubes and the adjacent housing surface said passage being coextensive with tue tube bundle, a second longitudinal fluid passage having a crosssectional area defined by the sum of the crosssectional areas defined by the bore of each tube in said bundle, said bundle being spaced inwardly from the second end of the housing thereby defining a combustion chamber, said tubes extending through the closure on the first end of said housing;

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
US00319493A 1972-12-29 1972-12-29 Burner of the oxy-fuel type Expired - Lifetime US3856457A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US00319493A US3856457A (en) 1972-12-29 1972-12-29 Burner of the oxy-fuel type
CA187,335A CA988837A (en) 1972-12-29 1973-12-04 Burner of the oxy-fuel type
ZA00739307A ZA739307B (en) 1972-12-29 1973-12-06 Burner of the oxy-fuel type
AU63393/73A AU464654B2 (en) 1972-12-29 1973-12-10 Burner ofthe oxy-fuel type
GB5750073A GB1457745A (en) 1972-12-29 1973-12-12 Burner of the oxy-fuel type
NL7317166A NL7317166A (xx) 1972-12-29 1973-12-14
DE2363151A DE2363151A1 (de) 1972-12-29 1973-12-19 Kraftstoff-luft-brenner
FR7346211A FR2212912A5 (xx) 1972-12-29 1973-12-26
BE2053328A BE809219A (fr) 1972-12-29 1973-12-28 Perfectionnements apportes aux bruleurs du type utilisant un melange carburant-fluide oxydant
BR10280/73A BR7310280D0 (pt) 1972-12-29 1973-12-28 Queimador do tipo oxi-combustivel
JP744847A JPS5749804B2 (xx) 1972-12-29 1973-12-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00319493A US3856457A (en) 1972-12-29 1972-12-29 Burner of the oxy-fuel type

Publications (1)

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US3856457A true US3856457A (en) 1974-12-24

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US00319493A Expired - Lifetime US3856457A (en) 1972-12-29 1972-12-29 Burner of the oxy-fuel type

Country Status (11)

Country Link
US (1) US3856457A (xx)
JP (1) JPS5749804B2 (xx)
AU (1) AU464654B2 (xx)
BE (1) BE809219A (xx)
BR (1) BR7310280D0 (xx)
CA (1) CA988837A (xx)
DE (1) DE2363151A1 (xx)
FR (1) FR2212912A5 (xx)
GB (1) GB1457745A (xx)
NL (1) NL7317166A (xx)
ZA (1) ZA739307B (xx)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155702A (en) * 1977-11-30 1979-05-22 Air Products And Chemicals, Inc. Burner
US4351645A (en) * 1979-12-26 1982-09-28 Texaco, Inc. Partial oxidation burner apparatus
WO1984000176A1 (en) * 1982-06-24 1984-01-19 Cadre Corp Oxygen-fuel burner with lancing capability and method of producing steel
US4473350A (en) * 1982-06-24 1984-09-25 The Cadre Corporation Oxy-fuel burner
US4622007A (en) * 1984-08-17 1986-11-11 American Combustion, Inc. Variable heat generating method and apparatus
US4952139A (en) * 1986-12-23 1990-08-28 Institut Francais Du Petrole Gas feed device comprising tubes with narrowed zones
EP0563792A2 (en) * 1992-03-30 1993-10-06 Air Products And Chemicals, Inc. Method and apparatus for oxy-fuel heating with lowered nox in high temperature corrosive environments
US5502894A (en) * 1994-04-28 1996-04-02 Burke, Deceased; Thomas M. Method of constructing a ceramic oxy-gas torch tip
US5599375A (en) * 1994-08-29 1997-02-04 American Combustion, Inc. Method for electric steelmaking
US5714113A (en) * 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
WO2001042711A1 (fr) * 1999-12-07 2001-06-14 Atofina Injecteur utilisable dans un dispositif pour la combustion de produits corrosifs
US20040103662A1 (en) * 2002-12-03 2004-06-03 Kaplan Howard Jay Cooling of liquid fuel components to eliminate coking
US20050081525A1 (en) * 2002-12-03 2005-04-21 Kaplan Howard J. Cooling of liquid fuel components to eliminate coking
US20090068605A1 (en) * 2006-02-28 2009-03-12 Shin-Etsu Chemical Co., Ltd. Quartz glass made burner
US20100047726A1 (en) * 2008-08-20 2010-02-25 Mestek, Inc. Boiler and pilot system
US20100068667A1 (en) * 2006-11-29 2010-03-18 Ib Ohlsen Demountable burner
US20120100496A1 (en) * 2007-08-06 2012-04-26 Anne Boer Burner
US9032623B2 (en) 2007-08-06 2015-05-19 Shell Oil Company Method of manufacturing a burner front face
CN106061621A (zh) * 2014-03-21 2016-10-26 西门子公司 用于喷嘴的冷却设备和具有用于热力喷射的冷却设备的喷嘴装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713312B1 (fr) * 1993-11-30 1996-01-12 Air Liquide Brûleur oxycombustible agencé pour réduire la formation d'oxydes d'azote et particulièrement destiné aux fours de verrerie.
JP7316163B2 (ja) * 2019-09-13 2023-07-27 三菱重工業株式会社 冷却流路構造及びバーナー

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US3092166A (en) * 1959-12-15 1963-06-04 Air Reduction Space heating method and apparatus
US3339616A (en) * 1965-06-03 1967-09-05 Chemetron Corp Apparatus for combustion of fuels and burner therefor
US3565346A (en) * 1968-07-11 1971-02-23 Texas Instruments Inc Method and apparatus for forming an article of high purity metal oxide
US3638932A (en) * 1969-03-26 1972-02-01 Chemetron Corp Combined burner-lance for fume suppression in molten metals
US3685740A (en) * 1969-10-29 1972-08-22 Air Reduction Rocket burner with flame pattern control
US3758037A (en) * 1971-10-04 1973-09-11 Texaco Development Corp Fuel burner and process for gas manufacture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092166A (en) * 1959-12-15 1963-06-04 Air Reduction Space heating method and apparatus
US3339616A (en) * 1965-06-03 1967-09-05 Chemetron Corp Apparatus for combustion of fuels and burner therefor
US3565346A (en) * 1968-07-11 1971-02-23 Texas Instruments Inc Method and apparatus for forming an article of high purity metal oxide
US3638932A (en) * 1969-03-26 1972-02-01 Chemetron Corp Combined burner-lance for fume suppression in molten metals
US3685740A (en) * 1969-10-29 1972-08-22 Air Reduction Rocket burner with flame pattern control
US3758037A (en) * 1971-10-04 1973-09-11 Texaco Development Corp Fuel burner and process for gas manufacture

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4155702A (en) * 1977-11-30 1979-05-22 Air Products And Chemicals, Inc. Burner
US4351645A (en) * 1979-12-26 1982-09-28 Texaco, Inc. Partial oxidation burner apparatus
WO1984000176A1 (en) * 1982-06-24 1984-01-19 Cadre Corp Oxygen-fuel burner with lancing capability and method of producing steel
US4473350A (en) * 1982-06-24 1984-09-25 The Cadre Corporation Oxy-fuel burner
US4622007A (en) * 1984-08-17 1986-11-11 American Combustion, Inc. Variable heat generating method and apparatus
US4952139A (en) * 1986-12-23 1990-08-28 Institut Francais Du Petrole Gas feed device comprising tubes with narrowed zones
EP0563792A2 (en) * 1992-03-30 1993-10-06 Air Products And Chemicals, Inc. Method and apparatus for oxy-fuel heating with lowered nox in high temperature corrosive environments
US5256058A (en) * 1992-03-30 1993-10-26 Combustion Tec, Inc. Method and apparatus for oxy-fuel heating with lowered NOx in high temperature corrosive environments
EP0563792A3 (en) * 1992-03-30 1993-12-08 Air Prod & Chem Method and apparatus for oxy-fuel heating with lowered nox in high temperature corrosive environments
US5346390A (en) * 1992-03-30 1994-09-13 Air Products And Chemicals, Inc. Method and apparatus for oxy-fuel heating with lowered NOx in high temperature corrosive environments
US5609301A (en) * 1994-04-28 1997-03-11 Burke, Deceased; Thomas M. Ceramic oxy-gas torch tip
US5502894A (en) * 1994-04-28 1996-04-02 Burke, Deceased; Thomas M. Method of constructing a ceramic oxy-gas torch tip
US5858302A (en) * 1994-08-29 1999-01-12 American Combustion, Inc. Apparatus for electric steelmaking
US5788921A (en) * 1994-08-29 1998-08-04 American Combustion, Inc. Apparatus for electric steelmaking
US5843368A (en) * 1994-08-29 1998-12-01 American Combustion, Inc. Apparatus for electric steelmaking
US5599375A (en) * 1994-08-29 1997-02-04 American Combustion, Inc. Method for electric steelmaking
US5904895A (en) * 1994-08-29 1999-05-18 American Combustion, Inc. Apparatus for electric steelmaking
US5954855A (en) * 1994-08-29 1999-09-21 American Combustion, Inc. Method for electric steelmaking
US5714113A (en) * 1994-08-29 1998-02-03 American Combustion, Inc. Apparatus for electric steelmaking
US6799964B2 (en) 1999-12-07 2004-10-05 Atofina Injector for use in a device for combustion of corrosive products
WO2001042711A1 (fr) * 1999-12-07 2001-06-14 Atofina Injecteur utilisable dans un dispositif pour la combustion de produits corrosifs
FR2802615A1 (fr) * 1999-12-07 2001-06-22 Atofina Injecteur utilisable dans un dispositif pour la combustion de produits corrosifs
US20050081525A1 (en) * 2002-12-03 2005-04-21 Kaplan Howard J. Cooling of liquid fuel components to eliminate coking
US20040103662A1 (en) * 2002-12-03 2004-06-03 Kaplan Howard Jay Cooling of liquid fuel components to eliminate coking
US6918255B2 (en) * 2002-12-03 2005-07-19 General Electric Company Cooling of liquid fuel components to eliminate coking
US7117675B2 (en) 2002-12-03 2006-10-10 General Electric Company Cooling of liquid fuel components to eliminate coking
US20090068605A1 (en) * 2006-02-28 2009-03-12 Shin-Etsu Chemical Co., Ltd. Quartz glass made burner
US20100068667A1 (en) * 2006-11-29 2010-03-18 Ib Ohlsen Demountable burner
US8206149B2 (en) * 2006-11-29 2012-06-26 Flsmidth A/S Demountable burner
US20120100496A1 (en) * 2007-08-06 2012-04-26 Anne Boer Burner
US9032623B2 (en) 2007-08-06 2015-05-19 Shell Oil Company Method of manufacturing a burner front face
US20100047726A1 (en) * 2008-08-20 2010-02-25 Mestek, Inc. Boiler and pilot system
CN106061621A (zh) * 2014-03-21 2016-10-26 西门子公司 用于喷嘴的冷却设备和具有用于热力喷射的冷却设备的喷嘴装置
US20170100732A1 (en) * 2014-03-21 2017-04-13 Siemens Aktiengesellschaft Cooling Device For A Spraying Nozzle Or Spraying Nozzle As-sembly With A Cooling Device For Thermal Spraying
US10166558B2 (en) * 2014-03-21 2019-01-01 Siemens Aktiengesellschaft Cooling device for a spraying nozzle or spraying nozzle assembly with a cooling device for thermal spraying

Also Published As

Publication number Publication date
BR7310280D0 (pt) 1974-08-15
ZA739307B (en) 1975-01-29
BE809219A (fr) 1974-04-16
JPS4997339A (xx) 1974-09-13
AU6339373A (en) 1975-06-12
NL7317166A (xx) 1974-07-02
CA988837A (en) 1976-05-11
JPS5749804B2 (xx) 1982-10-23
GB1457745A (en) 1976-12-08
FR2212912A5 (xx) 1974-07-26
AU464654B2 (en) 1975-09-04
DE2363151A1 (de) 1974-07-11

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