ES2415560R1 - HEATING OVEN CONTROL PROCEDURE - Google Patents

HEATING OVEN CONTROL PROCEDURE Download PDF

Info

Publication number
ES2415560R1
ES2415560R1 ES201290077A ES201290077A ES2415560R1 ES 2415560 R1 ES2415560 R1 ES 2415560R1 ES 201290077 A ES201290077 A ES 201290077A ES 201290077 A ES201290077 A ES 201290077A ES 2415560 R1 ES2415560 R1 ES 2415560R1
Authority
ES
Spain
Prior art keywords
energy
art
application
state
date
Prior art date
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.)
Granted
Application number
ES201290077A
Other languages
Spanish (es)
Other versions
ES2415560A2 (en
ES2415560B1 (en
Inventor
José Ramón GONZALEZ GARCIA
Fernando ROLDAN SALCES
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidenor Investigacion y Desarrollo SA
Original Assignee
Gerdau Investigacion y Desarrollo Europa SA
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 Gerdau Investigacion y Desarrollo Europa SA filed Critical Gerdau Investigacion y Desarrollo Europa SA
Priority to ES201290077A priority Critical patent/ES2415560B1/en
Publication of ES2415560A2 publication Critical patent/ES2415560A2/en
Publication of ES2415560R1 publication Critical patent/ES2415560R1/en
Application granted granted Critical
Publication of ES2415560B1 publication Critical patent/ES2415560B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D19/00—Arrangements of controlling devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/70—Furnaces for ingots, i.e. soaking pits

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)
  • User Interface Of Digital Computer (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Control Of Heat Treatment Processes (AREA)

Abstract

Procedimiento de control de hornos de calentamiento, que permite controlar la temperatura de la carga, donde se considera un volumen cerrado (5) en el que se calienta una carga mediante un flujo de energía de entrada (6, 7, 8) y se produce un flujo de energía de salida (9, 10, 11), comprendiendo determinar un tiempo de permanencia para que todo punto de la carga alcance una temperatura objetivo, considerándose que antes el ciclo térmico se encuentra en un régimen transitorio donde la energía de entrada (6, 7, 8) es igual a la energía de salida (9, 10, 11) más una variación de energía almacenada en el volumen cerrado (5) que comprende energía para calentar dicho volumen cerrado (5), mientras que a partir del tiempo de permanencia el ciclo térmico se encuentra en un régimen estacionario donde la energía de entrada (6, 7, 8) es igual a la energía de salida (9, 10, 11), comprendiendo el procedimiento controlar el consumo de combustible necesario para generar la energía de combustión (6), considerándose que se ha alcanzado el régimen estacionario cuando dicho consumo se mantiene constante.Heating furnace control procedure, which allows to control the temperature of the load, where a closed volume (5) is considered in which a load is heated by an input energy flow (6, 7, 8) and is produced an output energy flow (9, 10, 11), comprising determining a residence time so that every point of the load reaches an objective temperature, considering that before the thermal cycle is in a transitory regime where the input energy ( 6, 7, 8) is equal to the output energy (9, 10, 11) plus a variation of energy stored in the closed volume (5) comprising energy to heat said closed volume (5), while from residence time the thermal cycle is in a stationary regime where the input energy (6, 7, 8) is equal to the output energy (9, 10, 11), the procedure comprising controlling the fuel consumption necessary to generate c energy ombustión (6), considering that the steady state has been reached when said consumption remains constant.

Claims (2)

OFICINA ESPAÑOLA DE PATENTES Y MARCAS SPANISH OFFICE OF THE PATENTS AND BRAND N.º solicitud: 201290077 Application no .: 201290077 ESPAÑA SPAIN Fecha de presentación de la solicitud: 23.04.2010 Date of submission of the application: 04/23/2010 Fecha de prioridad: Priority Date: INFORME SOBRE EL ESTADO DE LA TECNICA REPORT ON THE STATE OF THE TECHNIQUE 51 Int. Cl. : Ver Hoja Adicional 51 Int. Cl.: See Additional Sheet DOCUMENTOS RELEVANTES  RELEVANT DOCUMENTS
Categoría Category
56 Documentos citados Reivindicaciones afectadas 56 Documents cited Claims Affected
X X
EP 2071262 A1 (AGA AB) 17.06.2009, todo el documento. 1-3 EP 2071262 A1 (AGA AB) 06.17.2009, the whole document. 1-3
A TO
US 4255133 A (TANIFUJI SHINYA et al.) 10.03.1981, todo el documento. 1-3 US 4255133 A (TANIFUJI SHINYA et al.) 10.03.1981, the entire document. 1-3
A TO
WO 9827236 A1 (ROSSIER RENE) 25.06.1998, todo el documento. 1-3 WO 9827236 A1 (ROSSIER RENE) 25.06.1998, the whole document. 1-3
Categoría de los documentos citados X: de particular relevancia Y: de particular relevancia combinado con otro/s de la misma categoría A: refleja el estado de la técnica O: referido a divulgación no escrita P: publicado entre la fecha de prioridad y la de presentación de la solicitud E: documento anterior, pero publicado después de la fecha de presentación de la solicitud Category of the documents cited X: of particular relevance Y: of particular relevance combined with other / s of the same category A: reflects the state of the art O: refers to unwritten disclosure P: published between the priority date and the date of priority submission of the application E: previous document, but published after the date of submission of the application
El presente informe ha sido realizado • para todas las reivindicaciones • para las reivindicaciones nº: This report has been prepared • for all claims • for claims no:
Fecha de realización del informe 16.01.2014 Date of realization of the report 16.01.2014
Examinador R. E. Reyes Lizcano Página 1/4 Examiner R. E. Reyes Lizcano Page 1/4
INFORME DEL ESTADO DE LA TÉCNICA REPORT OF THE STATE OF THE TECHNIQUE Nº de solicitud: 201290077 Application number: 201290077 CLASIFICACIÓN OBJETO DE LA SOLICITUD F27D19/00 (2006.01) CLASSIFICATION OBJECT OF THE APPLICATION F27D19 / 00 (2006.01) C21D9/00 (2006.01) C21D9/70 (2006.01) Documentación mínima buscada (sistema de clasificación seguido de los símbolos de clasificación) C21D9 / 00 (2006.01) C21D9 / 70 (2006.01) Minimum documentation sought (classification system followed by classification symbols) F27D, C21D F27D, C21D Bases de datos electrónicas consultadas durante la búsqueda (nombre de la base de datos y, si es posible, términos de búsqueda utilizados) INVENES, EPODOC, WPI Electronic databases consulted during the search (name of the database and, if possible, terms of search used) INVENTIONS, EPODOC, WPI Informe del Estado de la Técnica Página 2/4 State of the Art Report Page 2/4 OPINIÓN ESCRITA WRITTEN OPINION Nº de solicitud: 201290077 Application number: 201290077 Fecha de Realización de la Opinión Escrita: 16.01.2014 Date of the Written Opinion: 16.01.2014 Declaración Statement
Novedad (Art. 6.1 LP 11/1986) Novelty (Art. 6.1 LP 11/1986)
Reivindicaciones Reivindicaciones 2, 3 1 SI NO Claims Claims 2, 3 1 IF NOT
Actividad inventiva (Art. 8.1 LP11/1986) Inventive activity (Art. 8.1 LP11 / 1986)
Reivindicaciones Reivindicaciones 1-3 SI NO Claims Claims 1-3 IF NOT
Se considera que la solicitud cumple con el requisito de aplicación industrial. Este requisito fue evaluado durante la fase de examen formal y técnico de la solicitud (Artículo 31.2 Ley 11/1986). The application is considered to comply with the industrial application requirement. This requirement was evaluated during the formal and technical examination phase of the application (Article 31.2 Law 11/1986). Base de la Opinión.-  Opinion Base.- La presente opinión se ha realizado sobre la base de la solicitud de patente tal y como se publica. This opinion has been made on the basis of the patent application as published. Informe del Estado de la Técnica Página 3/4 State of the Art Report Page 3/4 OPINIÓN ESCRITA WRITTEN OPINION Nº de solicitud: 201290077 Application number: 201290077 1. Documentos considerados.-  1. Documents considered.- A continuación se relacionan los documentos pertenecientes al estado de la técnica tomados en consideración para la realización de esta opinión. The documents belonging to the state of the art taken into consideration for the realization of this opinion are listed below.
Documento Document
Número Publicación o Identificación Fecha Publicación Publication or Identification Number publication date
D01 D01
EP 2071262 A1 (AGA AB) 17.06.2009 EP 2071262 A1 (AGA AB) 06.17.2009
2. Declaración motivada según los artículos 29.6 y 29.7 del Reglamento de ejecución de la Ley 11/1986, de 20 de marzo, de Patentes sobre la novedad y la actividad inventiva; citas y explicaciones en apoyo de esta declaración  2. Statement motivated according to articles 29.6 and 29.7 of the Regulations for the execution of Law 11/1986, of March 20, on Patents on novelty and inventive activity; quotes and explanations in support of this statement En relación a la reivindicación independiente 1, el documento D01 (párrafos [0009] a [0047]; figuras) divulga un procedimiento de control de hornos de calentamiento, en el que dicho horno (1) de calentamiento se considera un volumen cerrado en cuyo interior se puede realizar un ciclo térmico de calentamiento de una carga (2) mediante un flujo de energía de entrada que comprende energía de combustión, energía entrante de aire y energía entrante de carga, produciéndose asimismo un flujo de energía de salida que comprende energía saliente de carga, energía saliente de gases y pérdidas de energía, donde el procedimiento comprende determinar un tiempo de permanencia de la carga dentro del horno (1) para que todo punto de dicha carga haya alcanzado una determinada temperatura objetivo, estableciéndose el balance de flujo de energía a través del volumen cerrado en base a la unidad de tiempo; comprendiendo el procedimiento detectar de manera continua durante dicho ciclo térmico el consumo de combustible necesario para generar la energía de combustión, considerándose que se ha alcanzado el régimen estacionario cuando dicho consumo de combustible se mantiene constante. In relation to independent claim 1, document D01 (paragraphs [0009] to [0047]; figures) discloses a heating furnace control procedure, wherein said heating furnace (1) is considered a closed volume in which Inside, a thermal cycle of heating a load (2) can be carried out by means of an input energy flow comprising combustion energy, incoming air energy and incoming load energy, also producing an output energy flow comprising outgoing energy of load, outgoing energy of gases and losses of energy, where the procedure comprises determining a time of permanence of the load inside the oven (1) so that every point of said load has reached a certain target temperature, establishing the flow balance of energy through the closed volume based on the unit of time; the method comprising continuously detecting during this thermal cycle the fuel consumption necessary to generate the combustion energy, considering that the steady state has been reached when said fuel consumption is kept constant. Las características técnicas de la reivindicación independiente 1 ya son conocidas del documento D01. Por tanto, la reivindicación 1 no es nueva a la vista del estado de la técnica conocido según el art. 6.1 LP. The technical characteristics of independent claim 1 are already known from document D01. Therefore, claim 1 is not new in view of the state of the art known according to art. 6.1 LP. En relación a las reivindicaciones dependientes 2 y 3, se considera que no implican actividad inventiva según el art 8.1 LP ya que definen etapas del procedimiento que serían comúnmente conocidas por un experto en la materia. In relation to dependent claims 2 and 3, it is considered that they do not imply inventive activity according to art 8.1 LP since they define steps of the procedure that would be commonly known by a person skilled in the art. Informe del Estado de la Técnica Página 4/4 State of the Art Report Page 4/4
ES201290077A 2010-04-23 2010-04-23 HEATING OVEN CONTROL PROCEDURE Expired - Fee Related ES2415560B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES201290077A ES2415560B1 (en) 2010-04-23 2010-04-23 HEATING OVEN CONTROL PROCEDURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201290077A ES2415560B1 (en) 2010-04-23 2010-04-23 HEATING OVEN CONTROL PROCEDURE

Publications (3)

Publication Number Publication Date
ES2415560A2 ES2415560A2 (en) 2013-07-25
ES2415560R1 true ES2415560R1 (en) 2014-01-24
ES2415560B1 ES2415560B1 (en) 2014-09-17

Family

ID=48748681

Family Applications (1)

Application Number Title Priority Date Filing Date
ES201290077A Expired - Fee Related ES2415560B1 (en) 2010-04-23 2010-04-23 HEATING OVEN CONTROL PROCEDURE

Country Status (1)

Country Link
ES (1) ES2415560B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105112616A (en) * 2015-08-27 2015-12-02 中材科技(成都)有限公司 Annealing furnace

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255133A (en) * 1978-04-10 1981-03-10 Hitachi, Ltd. Method for controlling furnace temperature of multi-zone heating furnace
WO1998027236A1 (en) * 1996-12-09 1998-06-25 Rossier Rene Method for controlling the supply of energy to or drawing of energy from a mass of substance
EP2071262A1 (en) * 2007-12-13 2009-06-17 Aga Ab Method for heating in an industrial furnace

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255133A (en) * 1978-04-10 1981-03-10 Hitachi, Ltd. Method for controlling furnace temperature of multi-zone heating furnace
WO1998027236A1 (en) * 1996-12-09 1998-06-25 Rossier Rene Method for controlling the supply of energy to or drawing of energy from a mass of substance
EP2071262A1 (en) * 2007-12-13 2009-06-17 Aga Ab Method for heating in an industrial furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105112616A (en) * 2015-08-27 2015-12-02 中材科技(成都)有限公司 Annealing furnace

Also Published As

Publication number Publication date
ES2415560A2 (en) 2013-07-25
ES2415560B1 (en) 2014-09-17

Similar Documents

Publication Publication Date Title
MX2016013738A (en) OPERATION OF A REGENERATION OVEN WITH AN OXIDIZER THAT INCLUDES 60 TO 85 PERCENT OF OXYGEN.
CL2011002904A1 (en) Method for operating a regenerative heater, in particular a hot blast furnace stove, comprises a heating cycle in which the fuel and the oxidizing gas are fed to the burner of the first chamber and allowed to burn, and in which the gases Hot combustion gases are conducted through the second chamber.
BR112013017056A2 (en) method for using thermal energy from product gases in a btl installation
MX2014005195A (en) COMPOSITION OF COATING TO PACK ITEMS.
EA201100130A1 (en) FOOD SUPPLY FOR BURNER ON HOT OXYGEN
BR112012013257A2 (en) industrial burner and combustion process related to heat treatment furnaces
ES2432235R1 (en) Induction heating device
ES2430939R1 (en) Gas heated cooking appliance
ES2440391R1 (en) METHOD FOR OPERATING AN ELECTRICAL POWER STATION WITH MULTIPLE THERMAL SOURCES AND EMPLOYEE DEVICE
ES2440666R1 (en) SYSTEM AND METHOD TO SUPERVISE THE HEALTH OF HELIOSTATES
ES2440115R1 (en) Caged Nut
ES2432478R1 (en) THE TRANSMISSION OF ADDITIONAL MOVEMENTS TO ROTARY ELEMENTS OF MACHINES-TOOL.
BR112012019349A2 (en) heating process in an oven of coated glass sheets
ES2433341R1 (en) SOLAR-WIND HYBRID POWER STATION
UA112429C2 (en) METHOD OF HEATING A BLAST AIR HEATER
DE60130823D1 (en) Improvements in the preheating of metal strips, especially in galvanizing or annealing plants
ES2432477R1 (en) OSCILLATION SHOCK ABSORBER.
ES2415560B1 (en) HEATING OVEN CONTROL PROCEDURE
ES2436700R1 (en) Serial rankine cycle thermal plant
ES2427719R1 (en) CUTTING HEAD FOR CUTTING MACHINES.
ES2436728R1 (en) PART AND METHOD FOR THE REPAIR OF LONGITUDINAL ELEMENTS MANUFACTURED IN COMPOSITE MATERIAL
ES2432472R1 (en) METHOD AND MODULAR THERMOSOLAR PLANT FOR THE PRODUCTION OF ELECTRICAL ENERGY
ES2436717R1 (en) Serial rankine two-cycle thermal plant for liquefied natural gas regasification facilities
ES2437195R1 (en) Production method of a finished piece by machining, and machine to produce a finished piece by machining
ES2410858R1 (en) BANK WITH AIR CONDITIONING MECHANISM

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 2415560

Country of ref document: ES

Kind code of ref document: B1

Effective date: 20140917

PC2A Transfer of patent

Owner name: SIDENOR INVESTIGACION Y DESARROLLO, S.A. SIDENOR I

Effective date: 20170811

FD2A Announcement of lapse in spain

Effective date: 20220629