EP1211329A3 - Process and apparatus for high pressure gas quenching in an atmospheric furnace - Google Patents

Process and apparatus for high pressure gas quenching in an atmospheric furnace Download PDF

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Publication number
EP1211329A3
EP1211329A3 EP20010128749 EP01128749A EP1211329A3 EP 1211329 A3 EP1211329 A3 EP 1211329A3 EP 20010128749 EP20010128749 EP 20010128749 EP 01128749 A EP01128749 A EP 01128749A EP 1211329 A3 EP1211329 A3 EP 1211329A3
Authority
EP
European Patent Office
Prior art keywords
high pressure
pressure gas
atmospheric furnace
gas quenching
gas
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.)
Withdrawn
Application number
EP20010128749
Other languages
German (de)
French (fr)
Other versions
EP1211329A2 (en
Inventor
Jaak Van Den Sype
Scot Eric Jaynes
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.)
Praxair Technology Inc
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Publication of EP1211329A2 publication Critical patent/EP1211329A2/en
Publication of EP1211329A3 publication Critical patent/EP1211329A3/en
Withdrawn legal-status Critical Current

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
    • C21D1/62—Quenching 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • 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
    • 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
    • C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
    • 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
    • C21D2241/00—Treatments in a special environment
    • C21D2241/01—Treatments in a special environment under pressure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Furnace Details (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

Apparatus and process for recycling a quenching gas, such as helium, to be used with a treating gas, such as a carburizing gas, for the treating of components in an atmospheric furnace.
EP20010128749 2000-12-04 2001-12-03 Process and apparatus for high pressure gas quenching in an atmospheric furnace Withdrawn EP1211329A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/727,473 US20020104589A1 (en) 2000-12-04 2000-12-04 Process and apparatus for high pressure gas quenching in an atmospheric furnace
US727473 2000-12-04

Publications (2)

Publication Number Publication Date
EP1211329A2 EP1211329A2 (en) 2002-06-05
EP1211329A3 true EP1211329A3 (en) 2004-01-02

Family

ID=24922810

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010128749 Withdrawn EP1211329A3 (en) 2000-12-04 2001-12-03 Process and apparatus for high pressure gas quenching in an atmospheric furnace

Country Status (6)

Country Link
US (1) US20020104589A1 (en)
EP (1) EP1211329A3 (en)
CN (1) CN1366083A (en)
BR (1) BR0105894A (en)
CA (1) CA2364356A1 (en)
MX (1) MXPA01012438A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108057A1 (en) * 2001-02-20 2002-08-22 Linde Ag Process for quenching metallic workpieces
FR2844809B1 (en) * 2002-09-20 2007-06-29 Air Liquide RAPID COOLING PROCESS OF PARTS BY CONVECTIVE AND RADIATIVE TRANSFER
DE10251486A1 (en) * 2002-11-05 2004-05-19 Linde Ag Recovering gas for re-use, from process chamber operating under pressure, e.g. quenching, involves using one or more compression stages for extraction, in accordance with chamber internal pressure
EP1650270A4 (en) * 2003-07-23 2006-08-16 Toagosei Co Ltd Aqueous ink
FR2858983B1 (en) * 2003-08-21 2005-09-23 Air Liquide GAS TREATMENT METHOD USING A RECYCLING FACILITY
FR2863628B1 (en) * 2003-12-11 2006-11-17 Etudes Const Mecaniques DEVICE FOR TEMPERING STEEL PARTS
PL202005B1 (en) 2004-11-19 2009-05-29 Politechnika & Lstrok Odzka In Hardening heater with closed hydrogen circuit
FR2879474B1 (en) * 2004-12-16 2008-06-13 Air Liquide PROCESS FOR CLEANING AN INCORPORATING MIXTURE COMPRISING CARBON DIOXIDE (CO2) AND CARBON MONOXIDE (CO) FOR THE REMOVAL OF THE CARBON MONOXIDE (CO) CONTAINED IN THIS MIXTURE
US20070068601A1 (en) * 2005-09-26 2007-03-29 Jones William R Process for treating steel alloys
CN101824520B (en) * 2010-04-27 2011-06-15 昆明理工大学 Quenching gas recycling system
PL228193B1 (en) * 2014-10-06 2018-02-28 Seco/Warwick Społka Akcyjna Equipment for unitary quenching of parts of technical equipment
CN109234519A (en) * 2018-10-31 2019-01-18 上海颐柏热处理设备有限公司 It is a kind of to cool down controllable heat treating facilities
CN111283389B (en) * 2020-03-17 2021-10-22 无锡鹰贝精密液压有限公司 End face grinding process for wear-resisting disc of hydraulic motor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4867808A (en) * 1987-10-28 1989-09-19 Degussa Aktiengesellschaft Heat treating a metallic workpiece by quenching under cooling gas under above atmospheric pressure and specified circulation rate
US5158625A (en) * 1990-04-04 1992-10-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for heat treating articles while hardening in gaseous medium
US5938866A (en) * 1995-06-22 1999-08-17 Aga Aktiebolag Method and an apparatus for the treatment of components by a gas mixture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104425A (en) * 1989-11-14 1992-04-14 Air Products And Chemicals, Inc. Gas separation by adsorbent membranes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4867808A (en) * 1987-10-28 1989-09-19 Degussa Aktiengesellschaft Heat treating a metallic workpiece by quenching under cooling gas under above atmospheric pressure and specified circulation rate
US4867808B1 (en) * 1987-10-28 1994-02-22 Leybold Durferrit Gmbh
US5158625A (en) * 1990-04-04 1992-10-27 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and apparatus for heat treating articles while hardening in gaseous medium
US5938866A (en) * 1995-06-22 1999-08-17 Aga Aktiebolag Method and an apparatus for the treatment of components by a gas mixture

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ALTENA H: "NIEDERDRUCK-AUFKOHLUNG MIT HOCHDRUCK-GASABSCHRECKUNG VERFAHRENSTECHNIK UND ERGEBNISSE", HAERTEREI TECHNISCHE MITTEILUNGEN, CARL HANSER VERLAG. MUNCHEN, DE, vol. 53, no. 2, 1 March 1998 (1998-03-01), pages 93 - 101, XP000755093, ISSN: 0341-101X *
HOLM T ET AL: "HELIUM RECOVERY AND CLEANING FOR HIGH-PRESSURE GAS QUENCHING CONNECTED TO AN ATMOSPHERE FURNACE", HEAT TREATMENT OF METALS, BIRMINGHAM, GB, vol. 27, no. 1, 14 February 2000 (2000-02-14), pages 9 - 12, XP009014980, ISSN: 0305-4829 *

Also Published As

Publication number Publication date
EP1211329A2 (en) 2002-06-05
BR0105894A (en) 2002-09-17
US20020104589A1 (en) 2002-08-08
CN1366083A (en) 2002-08-28
MXPA01012438A (en) 2002-06-11
CA2364356A1 (en) 2002-06-04

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