ES2415560B1 - HEATING OVEN CONTROL PROCEDURE - Google Patents

HEATING OVEN CONTROL PROCEDURE Download PDF

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Publication number
ES2415560B1
ES2415560B1 ES201290077A ES201290077A ES2415560B1 ES 2415560 B1 ES2415560 B1 ES 2415560B1 ES 201290077 A ES201290077 A ES 201290077A ES 201290077 A ES201290077 A ES 201290077A ES 2415560 B1 ES2415560 B1 ES 2415560B1
Authority
ES
Spain
Prior art keywords
energy
closed volume
load
control procedure
considering
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.)
Expired - Fee Related
Application number
ES201290077A
Other languages
Spanish (es)
Other versions
ES2415560R1 (en
ES2415560A2 (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.

Description

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Claims (1)

imagen1image 1 imagen2image2
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 ES2415560R1 (en) 2014-01-24
ES2415560B1 true 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)

Families Citing this family (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

Family Cites Families (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
CH690036A5 (en) * 1996-12-09 2000-03-31 Technofin Ltd A method for controlling intake or energy extraction to a ground substance.
SE532567C2 (en) * 2007-12-13 2010-02-23 Aga Ab Procedure for heating in an industrial oven

Also Published As

Publication number Publication date
ES2415560R1 (en) 2014-01-24
ES2415560A2 (en) 2013-07-25

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