GB1452062A - Metal treatment - Google Patents

Metal treatment

Info

Publication number
GB1452062A
GB1452062A GB4666272A GB4666272A GB1452062A GB 1452062 A GB1452062 A GB 1452062A GB 4666272 A GB4666272 A GB 4666272A GB 4666272 A GB4666272 A GB 4666272A GB 1452062 A GB1452062 A GB 1452062A
Authority
GB
United Kingdom
Prior art keywords
articles
heat
chamber
oct
valves
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
Application number
GB4666272A
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.)
BOC Group Ltd
Original Assignee
BOC International Ltd
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 BOC International Ltd filed Critical BOC International Ltd
Priority to GB4666272A priority Critical patent/GB1452062A/en
Priority to ZA00737803A priority patent/ZA737803B/en
Priority to AU61226/73A priority patent/AU6122673A/en
Publication of GB1452062A publication Critical patent/GB1452062A/en
Expired 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
    • C21D1/74—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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B2005/062—Cooling elements
    • F27B2005/068—Cooling elements for external cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/161—Gas inflow or outflow
    • F27B2005/162—Gas inflow or outflow through closable or non-closable openings of the chamber walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
    • F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B5/16—Arrangements of air or gas supply devices
    • F27B2005/166—Means to circulate the atmosphere
    • F27B2005/169—Means to circulate the atmosphere the atmosphere being continuously renewed by exterior means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

1452062 Cooling furnace charges BOC INTERNATIONAL Ltd 9 Oct 1973 [10 Oct 1972] 46662/72 Heading F4B [Also in Division C7] Apparatus for the heat-treatment of metal articles 14 comprises a vacuum chamber 2 having a water jacket 4 and provided with a heating element 6, heat-reflective shield 8, and a system for supplying a gaseous or liquid coolant to the chamber. During heating of the articles, the coolant, e.g. cold N 2 , is circulated by sump 24 through heat exchangers 20, 22, the valves 18, 28 being closed. When the heating stage is completed, valves 18, 28 are opened and the cold N 2 quenches the articles and continues cooling to below -80‹C. In a modification, (Fig. 2, not shown) the articles are sprayed with liquid coolant, e.g. liquid N 2 , the N 2 vapour being passed through a heat-exchanger (58) prior to re-entry to the chamber.
GB4666272A 1972-10-10 1972-10-10 Metal treatment Expired GB1452062A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB4666272A GB1452062A (en) 1972-10-10 1972-10-10 Metal treatment
ZA00737803A ZA737803B (en) 1972-10-10 1973-10-05 Metal treatment
AU61226/73A AU6122673A (en) 1972-10-10 1973-10-10 Rapid heat treatment of metals under vacuum with fluid coolants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4666272A GB1452062A (en) 1972-10-10 1972-10-10 Metal treatment

Publications (1)

Publication Number Publication Date
GB1452062A true GB1452062A (en) 1976-10-06

Family

ID=10442112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4666272A Expired GB1452062A (en) 1972-10-10 1972-10-10 Metal treatment

Country Status (3)

Country Link
AU (1) AU6122673A (en)
GB (1) GB1452062A (en)
ZA (1) ZA737803B (en)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004545A1 (en) * 1978-04-10 1979-10-17 Messer Griesheim Gmbh Process and apparatus for galvanizing a wire
FR2436350A1 (en) * 1978-09-13 1980-04-11 Degussa VACUUM OVEN WITH GAS COOLING DEVICE
EP0189759A1 (en) * 1985-01-17 1986-08-06 Linde Aktiengesellschaft Method and apparatus for heat treating work pieces
EP0690138A1 (en) * 1994-06-28 1996-01-03 ALD Vacuum Technologies GmbH Process for quenching workpieces with gases and heat treating installation for carrying out said process
EP0872563A1 (en) * 1997-04-28 1998-10-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and device for heat treating
EP0955384A2 (en) * 1998-05-06 1999-11-10 ALD Vacuum Technologies GmbH Process for quenching workpieces with gases and heat treating installation for carrying out said process
WO2002036835A1 (en) * 2000-11-04 2002-05-10 Messer Griesheim Gmbh Heat-treatment furnace having a deep-cooling system
WO2006105899A1 (en) * 2005-04-04 2006-10-12 Ipsen International Gmbh Method and device for gas quenching
WO2008155426A1 (en) * 2007-06-21 2008-12-24 Eliog-Kelvitherm Industrieofenbau Gmbh Vacuum furnace for heat treatment of metal workpieces and method for the operation thereof
US20090194175A1 (en) * 2004-10-29 2009-08-06 Metin Gerceker Shut-off device and process for producing a shut-off device
EP2505676A1 (en) * 2011-03-28 2012-10-03 Ipsen, Inc. Quenching process and apparatus for practicing said process
US8820098B2 (en) 2011-05-17 2014-09-02 Air Products And Chemicals, Inc. Method and apparatus for quenching of materials in vacuum furnace
CN104178603A (en) * 2013-05-27 2014-12-03 刘小阳 Vacuum furnace quenching process
CN104178609A (en) * 2013-05-22 2014-12-03 刘小阳 Vacuum furnace
CN105903971A (en) * 2016-04-27 2016-08-31 石家庄蓝海工具有限公司 Diamond tool bit production process based on protective atmosphere cooling device
CN105903955A (en) * 2016-04-27 2016-08-31 石家庄蓝海工具有限公司 Diamond tool bit production process based on vacuum cooling equipment
CN107262700A (en) * 2017-08-03 2017-10-20 新兴铸管股份有限公司 Cast tube cooling system

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0004545A1 (en) * 1978-04-10 1979-10-17 Messer Griesheim Gmbh Process and apparatus for galvanizing a wire
FR2436350A1 (en) * 1978-09-13 1980-04-11 Degussa VACUUM OVEN WITH GAS COOLING DEVICE
EP0189759A1 (en) * 1985-01-17 1986-08-06 Linde Aktiengesellschaft Method and apparatus for heat treating work pieces
EP0690138A1 (en) * 1994-06-28 1996-01-03 ALD Vacuum Technologies GmbH Process for quenching workpieces with gases and heat treating installation for carrying out said process
US5630322A (en) * 1994-06-28 1997-05-20 Ald Vacuum Technologies Gmbh Process and apparatus for heat treatment of workpieces by quenching with gases
FR2762667A1 (en) * 1997-04-28 1998-10-30 Air Liquide HEAT TREATMENT DEVICE AND METHOD
EP0872563A1 (en) * 1997-04-28 1998-10-21 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method and device for heat treating
US5989647A (en) * 1997-04-28 1999-11-23 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Heat-treatment device and process
EP0955384A2 (en) * 1998-05-06 1999-11-10 ALD Vacuum Technologies GmbH Process for quenching workpieces with gases and heat treating installation for carrying out said process
EP0955384A3 (en) * 1998-05-06 2000-01-19 ALD Vacuum Technologies GmbH Process for quenching workpieces with gases and heat treating installation for carrying out said process
WO2002036835A1 (en) * 2000-11-04 2002-05-10 Messer Griesheim Gmbh Heat-treatment furnace having a deep-cooling system
US20090194175A1 (en) * 2004-10-29 2009-08-06 Metin Gerceker Shut-off device and process for producing a shut-off device
WO2006105899A1 (en) * 2005-04-04 2006-10-12 Ipsen International Gmbh Method and device for gas quenching
WO2008155426A1 (en) * 2007-06-21 2008-12-24 Eliog-Kelvitherm Industrieofenbau Gmbh Vacuum furnace for heat treatment of metal workpieces and method for the operation thereof
EP2505676A1 (en) * 2011-03-28 2012-10-03 Ipsen, Inc. Quenching process and apparatus for practicing said process
US20120247627A1 (en) * 2011-03-28 2012-10-04 Werner Hendrik Grobler Quenching Process and Apparatus for Practicing Said Process
JP2012207306A (en) * 2011-03-28 2012-10-25 Ipsen Inc Quenching method, and apparatus for practicing the method
US9617611B2 (en) * 2011-03-28 2017-04-11 Ipsen, Inc. Quenching process and apparatus for practicing said process
EP2505676B1 (en) 2011-03-28 2017-03-01 Ipsen International GmbH Quenching process and apparatus for practicing said process
US8820098B2 (en) 2011-05-17 2014-09-02 Air Products And Chemicals, Inc. Method and apparatus for quenching of materials in vacuum furnace
CN104178609B (en) * 2013-05-22 2016-06-08 东莞市禾盛金属科技有限公司 A kind of vacuum drying oven
CN104178609A (en) * 2013-05-22 2014-12-03 刘小阳 Vacuum furnace
CN104178603B (en) * 2013-05-27 2016-04-20 东莞市禾盛金属科技有限公司 A kind of vacuum oven quenching technology
CN104178603A (en) * 2013-05-27 2014-12-03 刘小阳 Vacuum furnace quenching process
CN105903971A (en) * 2016-04-27 2016-08-31 石家庄蓝海工具有限公司 Diamond tool bit production process based on protective atmosphere cooling device
CN105903955A (en) * 2016-04-27 2016-08-31 石家庄蓝海工具有限公司 Diamond tool bit production process based on vacuum cooling equipment
CN105903971B (en) * 2016-04-27 2018-05-22 石家庄蓝海工具有限公司 A kind of diamond segment production technology based on protective atmosphere cooling device
CN105903955B (en) * 2016-04-27 2018-05-22 石家庄蓝海工具有限公司 A kind of diamond segment production technology based on vacuum cooling equipment
CN107262700A (en) * 2017-08-03 2017-10-20 新兴铸管股份有限公司 Cast tube cooling system

Also Published As

Publication number Publication date
ZA737803B (en) 1975-05-28
AU6122673A (en) 1975-04-10

Similar Documents

Publication Publication Date Title
GB1452062A (en) Metal treatment
FR2379607A1 (en) Thermal or thermochemical treatment process of metals - involves a cooling step using a jet of liquid nitrogen
GB1039747A (en) Alloy steel
GB995981A (en) Improvements in or relating to the manufacture of chocolate
JPS54113701A (en) Heat exchanger for cooling high pressure and temperature treating gas
GB1400074A (en) Process and apparatus for coating metals by hot-dipping
FR2411368A1 (en) Deep-frozen food cooking oven - has refrigerator unit separate from heat source, with evaporator mounted in heat insulated compartment
GB1065428A (en) Apparatus and process for heat treating metals
JPS5281745A (en) Hybrid type absorption heat pump
JPS5514837A (en) Cooling method for aluminum strip
JPS5436660A (en) Defrosting process of frozen material
ES8205869A1 (en) Continuous heat treatment plant for steel sheet
ES368842A1 (en) Improvements in or relating to sealing joints for vacuum treatment enclosures
GB1216060A (en) Process for heat treating high conductivity copper alloys
JPS5239853A (en) Cooling-defrosting system of cold storing-referigerating showcase and others
JPS52109655A (en) Open showcase
JPS523750A (en) Continuously cooling method and apparatus with the changeover refriger ating cycle utilizing an air-cooling refrigerating device
JPS5248862A (en) Refrigerator
JPS5514129A (en) Continuous treatment device of brazing and gas soft nitriding
JPS53146209A (en) Cooling method for metal strip
GB457201A (en) Improvements in and relating to apparatus for thermal processes
SU471398A1 (en) The method of heat treatment of metals and alloys
JPS51150146A (en) Refrigerating equipment
JPS531351A (en) Room cooling and heating system
SU133071A1 (en) The method of obtaining cold

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee