EP2336372A3 - Verfahren und Einrichtung zur Regelung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen - Google Patents

Verfahren und Einrichtung zur Regelung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen Download PDF

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Publication number
EP2336372A3
EP2336372A3 EP10015290.9A EP10015290A EP2336372A3 EP 2336372 A3 EP2336372 A3 EP 2336372A3 EP 10015290 A EP10015290 A EP 10015290A EP 2336372 A3 EP2336372 A3 EP 2336372A3
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EP
European Patent Office
Prior art keywords
pressure
valve
workpieces
metallic materials
industrial
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
EP10015290.9A
Other languages
English (en)
French (fr)
Other versions
EP2336372B1 (de
EP2336372A2 (de
Inventor
Hendrik Dr. Grobler
Bernd Dr. Edenhofer
Jens Bechthold
Thomas Eversmann
Dirk Joritz
Nils Bernhagen
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.)
Ipsen International GmbH
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Ipsen International GmbH
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Filing date
Publication date
Application filed by Ipsen International GmbH filed Critical Ipsen International GmbH
Publication of EP2336372A2 publication Critical patent/EP2336372A2/de
Publication of EP2336372A3 publication Critical patent/EP2336372A3/de
Application granted granted Critical
Publication of EP2336372B1 publication Critical patent/EP2336372B1/de
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Classifications

    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C21D1/763—Adjusting the composition of the atmosphere using a catalyst
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Furnace Details (AREA)

Abstract

Zur Regelung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen (1), die mindestens einen Behandlungsraum (2), mindestens eine Abbrandstelle (4) mit mindestens einem ersten Ventil (4.1) und eine Regelung (5) mit Druckmesser (5.1) aufweisen, soll die Abbrandstelle (4) nur in Abhängigkeit prozessgasbedingter Notwendigkeiten geöffnet werden. Dazu wird in einem ersten Schritt bei geöffnetem ersten Ventil (4.1) eine Menge eines Spülgases (6.1) des Gasgemisches (6) des jeweiligen Prozessgases dem Industrieofen (1) gesteuert zugeführt und dann abgebrannt, in einem zweiten Schritt das Ventil (4.1) geschlossen, der Industrieofen (1) auf einen voreingestellten Ofendruck geregelt und dieser permanent über den Druckmesser (5.1) erfasst, in einem dritten Schritt bei erreichtem Solldruck des Industrieofens dieser Druck über den Druckmesser (5.1) erfasst und gehalten, wobei das erste Ventil (4.1) weiterhin geschlossen bleibt. In einem vierten Schritt kann die Spülbegasung aktiviert und eingeregelt werden. Bei großem Druckanstieg kann in einem fünften Schritt eine Überdruckklappe (4.3) der Abbrandstelle (4) zum Druckabbau gesteuert über einen festen Grenzwert hinaus geöffnet werden (Fig. 1).
EP10015290.9A 2009-12-16 2010-12-03 Verfahren und Einrichtung zur Regelung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen Active EP2336372B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009005864 2009-12-16

Publications (3)

Publication Number Publication Date
EP2336372A2 EP2336372A2 (de) 2011-06-22
EP2336372A3 true EP2336372A3 (de) 2013-10-02
EP2336372B1 EP2336372B1 (de) 2016-03-02

Family

ID=43759652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10015290.9A Active EP2336372B1 (de) 2009-12-16 2010-12-03 Verfahren und Einrichtung zur Regelung von Prozessgasen für Wärmebehandlungen von metallischen Werkstoffen/Werkstücken in Industrieöfen

Country Status (2)

Country Link
EP (1) EP2336372B1 (de)
PL (1) PL2336372T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105177251A (zh) * 2014-06-11 2015-12-23 日本碍子株式会社 热处理炉

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107099651A (zh) * 2017-05-16 2017-08-29 浙江久立特材科技股份有限公司 一种全氢保护气辊底炉氢气流量控制的方法及系统
CN114507777B (zh) * 2020-11-16 2024-01-05 上海梅山钢铁股份有限公司 一种卧式退火炉炉压控制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008029001B3 (de) * 2008-06-20 2009-09-17 Ipsen International Gmbh Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008029001B3 (de) * 2008-06-20 2009-09-17 Ipsen International Gmbh Verfahren und Einrichtung zur Wärmebehandlung von metallischen Werkstoffen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105177251A (zh) * 2014-06-11 2015-12-23 日本碍子株式会社 热处理炉
CN105177251B (zh) * 2014-06-11 2018-03-09 日本碍子株式会社 热处理炉

Also Published As

Publication number Publication date
EP2336372B1 (de) 2016-03-02
EP2336372A2 (de) 2011-06-22
PL2336372T3 (pl) 2016-09-30

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