CS144991A3 - Process and apparatus for preparing working gas during heat treatment - Google Patents

Process and apparatus for preparing working gas during heat treatment

Info

Publication number
CS144991A3
CS144991A3 CS911449A CS144991A CS144991A3 CS 144991 A3 CS144991 A3 CS 144991A3 CS 911449 A CS911449 A CS 911449A CS 144991 A CS144991 A CS 144991A CS 144991 A3 CS144991 A3 CS 144991A3
Authority
CS
Czechoslovakia
Prior art keywords
furnace
retort
catalyst
heat treatment
working gas
Prior art date
Application number
CS911449A
Other languages
English (en)
Inventor
Peter Dr Vocke
Thomas Dipl Ing Mahlo
Reinhard Dipl Ing Stringl
Original Assignee
Linde Ag
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 Linde Ag filed Critical Linde Ag
Publication of CS144991A3 publication Critical patent/CS144991A3/cs
Publication of CZ285210B6 publication Critical patent/CZ285210B6/cs

Links

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Catalysts (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Tunnel Furnaces (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Air Bags (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CS911449A 1990-05-19 1991-05-16 Způsob přípravy pracovního plynu při tepelném zpracování a zařízení k provádění tohoto způsobu CZ285210B6 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4016183A DE4016183A1 (de) 1990-05-19 1990-05-19 Verfahren zur verbesserten bereitstellung von behandlungsgas bei waermebehandlungen

Publications (2)

Publication Number Publication Date
CS144991A3 true CS144991A3 (en) 1992-01-15
CZ285210B6 CZ285210B6 (cs) 1999-06-16

Family

ID=6406799

Country Status (9)

Country Link
US (1) US5160380A (cs)
EP (1) EP0458183B1 (cs)
AT (1) ATE115192T1 (cs)
BR (1) BR9101982A (cs)
CZ (1) CZ285210B6 (cs)
DE (2) DE4016183A1 (cs)
ES (1) ES2067795T3 (cs)
HU (1) HU209813B (cs)
ZA (1) ZA913797B (cs)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5221369A (en) * 1991-07-08 1993-06-22 Air Products And Chemicals, Inc. In-situ generation of heat treating atmospheres using non-cryogenically produced nitrogen
US5417774A (en) * 1992-12-22 1995-05-23 Air Products And Chemicals, Inc. Heat treating atmospheres
US5284526A (en) * 1992-12-22 1994-02-08 Air Products And Chemicals, Inc. Integrated process for producing atmospheres suitable for heat treating from non-cryogenically generated nitrogen
US5298090A (en) * 1992-12-22 1994-03-29 Air Products And Chemicals, Inc. Atmospheres for heat treating non-ferrous metals and alloys
US5348592A (en) * 1993-02-01 1994-09-20 Air Products And Chemicals, Inc. Method of producing nitrogen-hydrogen atmospheres for metals processing
US5401339A (en) * 1994-02-10 1995-03-28 Air Products And Chemicals, Inc. Atmospheres for decarburize annealing steels
US5968457A (en) * 1994-06-06 1999-10-19 Praxair Technology, Inc. Apparatus for producing heat treatment atmospheres
US5441581A (en) * 1994-06-06 1995-08-15 Praxair Technology, Inc. Process and apparatus for producing heat treatment atmospheres
DE19707470A1 (de) * 1997-02-25 1998-08-27 Linde Ag Verfahren zur Erzeugung von Behandlungsgas für die Wärmebehandlung metallischen Guts
US20070107818A1 (en) * 2005-11-16 2007-05-17 Bowe Donald J Deoxygenation of furnaces with hydrogen-containing atmoshperes
US8689707B2 (en) * 2006-05-26 2014-04-08 Fuel Tech, Inc. Ultra low NOx burner replacement system
US9157682B2 (en) 2011-02-10 2015-10-13 Linde Aktiengesellschaft Furnace atmosphere generator
EP2806241A1 (en) 2013-05-23 2014-11-26 Linde Aktiengesellschaft Method of providing methanol for a heat treatment atmosphere in furnace
KR101701328B1 (ko) * 2016-01-22 2017-02-13 한국에너지기술연구원 Rx 가스 발생기 내장형 무산화 열처리 설비

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535074A (en) * 1965-10-29 1970-10-20 Hitachi Ltd Method and apparatus for purifying crude inert gases
DE2420823A1 (de) * 1974-04-30 1975-11-13 Nassheuer Ind Ofenbau Jean Strahlrohrbeheitzter waerm- bzw. gluehofen
DD131292A1 (de) * 1977-03-28 1978-06-14 Arnd Mueller Einrichtung zur schutzgaserzeugung im ofenraum
US4398971A (en) * 1981-12-31 1983-08-16 Aga Aktiebolag Method of heating, holding or heat treatment of metal material
FR2524006B1 (fr) * 1982-03-23 1985-10-11 Air Liquide Procede de durcissement superficiel de pieces metalliques
US4417927A (en) * 1982-03-29 1983-11-29 General Electric Company Steel nitriding method and apparatus
DE3302338A1 (de) * 1983-01-25 1984-07-26 Ruhrgas Ag, 4300 Essen Verfahren zum haerten von metallwerkstuecken
DE3630833A1 (de) * 1986-09-10 1988-03-17 Linde Ag Verfahren und vorrichtung zur waermebehandlung metallischer werkstuecke
DE3632577A1 (de) * 1986-09-25 1988-05-05 Linde Ag Strahlrohrbrenner mit katalysatorbett fuer waermebehandlungsoefen
FR2649123B1 (fr) * 1989-06-30 1991-09-13 Air Liquide Procede de traitement thermique de metaux

Also Published As

Publication number Publication date
HU209813B (en) 1994-11-28
BR9101982A (pt) 1991-12-24
ZA913797B (en) 1992-02-26
ES2067795T3 (es) 1995-04-01
EP0458183A2 (de) 1991-11-27
CZ285210B6 (cs) 1999-06-16
ATE115192T1 (de) 1994-12-15
EP0458183A3 (en) 1992-04-01
HU911656D0 (en) 1991-11-28
EP0458183B1 (de) 1994-12-07
DE59103752D1 (de) 1995-01-19
DE4016183A1 (de) 1991-11-21
HUT61055A (en) 1992-11-30
US5160380A (en) 1992-11-03

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Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20080516