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AR068220A1 - A METHOD FOR ANCHORING A PILOT FLAME WITH HEAT OUTLET ELEVATED TO A PILOT NOZZLE ASSOCIATED WITH A CARBON STEAMED BOILER FOR INDUSTRIAL OVENS, A METHOD FOR PREHEATING THE OVEN, A METHOD FOR GENERATING A PILOT CELL AND A PRACTICAL APPEARANCE THE OVEN - Google Patents

A METHOD FOR ANCHORING A PILOT FLAME WITH HEAT OUTLET ELEVATED TO A PILOT NOZZLE ASSOCIATED WITH A CARBON STEAMED BOILER FOR INDUSTRIAL OVENS, A METHOD FOR PREHEATING THE OVEN, A METHOD FOR GENERATING A PILOT CELL AND A PRACTICAL APPEARANCE THE OVEN

Info

Publication number
AR068220A1
AR068220A1 ARP080103871A ARP080103871A AR068220A1 AR 068220 A1 AR068220 A1 AR 068220A1 AR P080103871 A ARP080103871 A AR P080103871A AR P080103871 A ARP080103871 A AR P080103871A AR 068220 A1 AR068220 A1 AR 068220A1
Authority
AR
Argentina
Prior art keywords
oven
pilot
nozzle
flame
fuel
Prior art date
Application number
ARP080103871A
Other languages
Spanish (es)
Original Assignee
Coen Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Coen Co filed Critical Coen Co
Publication of AR068220A1 publication Critical patent/AR068220A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D1/00—Burners for combustion of pulverulent fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2207/00—Ignition devices associated with burner
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/00014—Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines

Landscapes

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

Abstract

Un método y un aparato para precalentar un horno durante la fase de calentamiento de la operacion del horno. El horno tiene calderas de vapor principales con suministros de combustible tubulares rodeados por un conducto de aire de combustion principal que definen un espacio anular entre el suministro y el conducto que se extiende en direccion axial con respecto a la caldera de vapor principal. Una boquilla de piloto en el espacio anular se extiende en direccion axial desde la caldera de vapor hacia el interior del horno y descarga inyecciones de combustible gaseoso inflamable hacia el interior del horno a través de orificios en la boquilla. El aire de combustion del conducto se dirige más allá de la boquilla y se mezcla con el combustible que descargan los orificios para formar una mezcla inflamable que se enciende para formar la llama descendente de piloto para calentar el horno de la boquilla. La llama se estabiliza y ancla en la boquilla de piloto por medio de la recirculacion de partes de la llama y sus constituyentes desde el interior del horno hacia la boquilla al impedir que el aire que pasa a través de la zona de ignicion primaria se vea afectado por el flujo de aire a través del conducto de aire de combustion principal, de la divergencia de los chorros de combustible inyectado con respecto a la direccion axial en un ángulo do entre aproximadamente 20° y 80°, y al aplicar a los chorros de combustible inyectado una componente de direccion tangencial con respecto a la direccion axial a fin de rotar la llama sobre el eje del piloto.A method and an apparatus for preheating an oven during the heating phase of the oven operation. The furnace has main steam boilers with tubular fuel supplies surrounded by a main combustion air duct that define an annular space between the supply and the duct that extends axially with respect to the main steam boiler. A pilot nozzle in the annular space extends in the axial direction from the steam boiler into the oven and discharges injections of flammable gaseous fuel into the oven through holes in the nozzle. The combustion air from the duct is directed beyond the nozzle and mixed with the fuel that the holes discharge to form a flammable mixture that ignites to form the pilot down flame to heat the nozzle furnace. The flame is stabilized and anchored in the pilot nozzle by means of the recirculation of parts of the flame and its constituents from the inside of the oven towards the nozzle by preventing the air passing through the primary ignition zone from being affected by the air flow through the main combustion air duct, the divergence of the injected fuel jets with respect to the axial direction at an angle of between approximately 20 ° and 80 °, and when applied to the fuel jets injected a component of tangential direction with respect to the axial direction in order to rotate the flame on the axis of the pilot.

ARP080103871A 2007-09-06 2008-09-05 A METHOD FOR ANCHORING A PILOT FLAME WITH HEAT OUTLET ELEVATED TO A PILOT NOZZLE ASSOCIATED WITH A CARBON STEAMED BOILER FOR INDUSTRIAL OVENS, A METHOD FOR PREHEATING THE OVEN, A METHOD FOR GENERATING A PILOT CELL AND A PRACTICAL APPEARANCE THE OVEN AR068220A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96791507P 2007-09-06 2007-09-06

Publications (1)

Publication Number Publication Date
AR068220A1 true AR068220A1 (en) 2009-11-11

Family

ID=40429311

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP080103871A AR068220A1 (en) 2007-09-06 2008-09-05 A METHOD FOR ANCHORING A PILOT FLAME WITH HEAT OUTLET ELEVATED TO A PILOT NOZZLE ASSOCIATED WITH A CARBON STEAMED BOILER FOR INDUSTRIAL OVENS, A METHOD FOR PREHEATING THE OVEN, A METHOD FOR GENERATING A PILOT CELL AND A PRACTICAL APPEARANCE THE OVEN

Country Status (4)

Country Link
US (1) US20090068601A1 (en)
AR (1) AR068220A1 (en)
TW (1) TW200928234A (en)
WO (1) WO2009032793A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2747467A1 (en) 2008-12-17 2010-06-24 Sanjay Udani System for performing clinical trials
EP2244015A1 (en) * 2009-04-23 2010-10-27 Siemens Aktiengesellschaft Pre-mix burner
CN101985558B (en) * 2010-08-19 2012-01-04 西峡龙成特种材料有限公司 Coal decomposing equipment
CN101922713B (en) * 2010-08-30 2013-01-16 中国人民解放军总后勤部军需装备研究所 Propane gas burner ignited by pilot flame
JP6580710B2 (en) * 2016-07-26 2019-09-25 Ｊｆｅスチール株式会社 Auxiliary burner for electric furnace
US11519606B1 (en) * 2021-08-17 2022-12-06 Haler US Appliance Solutions, Inc. Burner with an optional pilot
CN114990270A (en) * 2021-12-28 2022-09-02 武钢集团昆明钢铁股份有限公司 Baking device for baking blast furnace hot blast stove

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998582A (en) * 1973-08-28 1976-12-21 Robertshaw Controls Company Gaseous fuel burner system
US4628832A (en) * 1986-01-29 1986-12-16 Coen Company, Inc. Dual fuel pilot burner for a furnace
US5328355A (en) * 1991-09-26 1994-07-12 Hitachi, Ltd. Combustor and combustion apparatus
US5810575A (en) * 1997-03-05 1998-09-22 Schwartz; Robert E. Flare apparatus and methods
EP0900981B1 (en) * 1997-09-04 2002-05-15 Ansaldo Caldaie S.P.A. Pilot lighter for burners
EP1710506A2 (en) * 1999-12-15 2006-10-11 Osaka Gas Co., Ltd. Burner Apparatus, Gas Turbine Engine and Cogeneration System
US6702572B2 (en) * 2001-08-20 2004-03-09 John Zink Company, Llc Ultra-stable flare pilot and methods
US7282189B2 (en) * 2003-04-09 2007-10-16 Bert Zauderer Production of hydrogen and removal and sequestration of carbon dioxide from coal-fired furnaces and boilers
US7303388B2 (en) * 2004-07-01 2007-12-04 Air Products And Chemicals, Inc. Staged combustion system with ignition-assisted fuel lances

Also Published As

Publication number Publication date
TW200928234A (en) 2009-07-01
US20090068601A1 (en) 2009-03-12
WO2009032793A1 (en) 2009-03-12

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