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ZA913797B - Process for improved preparation of treatment gas in heat treatments - Google Patents

Process for improved preparation of treatment gas in heat treatments

Info

Publication number
ZA913797B
ZA913797B ZA913797A ZA913797A ZA913797B ZA 913797 B ZA913797 B ZA 913797B ZA 913797 A ZA913797 A ZA 913797A ZA 913797 A ZA913797 A ZA 913797A ZA 913797 B ZA913797 B ZA 913797B
Authority
ZA
South Africa
Prior art keywords
furnace
retort
treatment gas
catalyst
heat treatments
Prior art date
Application number
ZA913797A
Other languages
English (en)
Inventor
Peter Vocke
Vocke Peter
Thomas Mahlo
Mahlo Thomas
Reinhard Strigl
Strigl Reinhard
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 ZA913797B publication Critical patent/ZA913797B/xx

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)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Catalysts (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Air Bags (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Control Of Heat Treatment Processes (AREA)
  • Tunnel Furnaces (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
ZA913797A 1990-05-19 1991-05-20 Process for improved preparation of treatment gas in heat treatments ZA913797B (en)

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 (1)

Publication Number Publication Date
ZA913797B true ZA913797B (en) 1992-02-26

Family

ID=6406799

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA913797A ZA913797B (en) 1990-05-19 1991-05-20 Process for improved preparation of treatment gas in heat treatments

Country Status (9)

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

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
US5298090A (en) * 1992-12-22 1994-03-29 Air Products And Chemicals, Inc. Atmospheres for heat treating non-ferrous metals and alloys
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
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
US5441581A (en) * 1994-06-06 1995-08-15 Praxair Technology, Inc. Process and apparatus for producing heat treatment atmospheres
US5968457A (en) * 1994-06-06 1999-10-19 Praxair Technology, Inc. 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
DE59103752D1 (de) 1995-01-19
BR9101982A (pt) 1991-12-24
EP0458183A2 (de) 1991-11-27
EP0458183B1 (de) 1994-12-07
DE4016183A1 (de) 1991-11-21
HU209813B (en) 1994-11-28
CZ285210B6 (cs) 1999-06-16
EP0458183A3 (en) 1992-04-01
HU911656D0 (en) 1991-11-28
ATE115192T1 (de) 1994-12-15
ES2067795T3 (es) 1995-04-01
HUT61055A (en) 1992-11-30
CS144991A3 (en) 1992-01-15
US5160380A (en) 1992-11-03

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