ATE78877T1 - Verfahren zur herstellung eines schutzgases fuer die waermebehandlung von eisen und nichteisenmetallen. - Google Patents

Verfahren zur herstellung eines schutzgases fuer die waermebehandlung von eisen und nichteisenmetallen.

Info

Publication number: ATE78877T1
Authority: AT; Austria
Prior art keywords: ferrous; gas; combustion; heat treatment; preparation
Prior art date: 1988-03-11

Application number

AT89102430T

Other languages

English (en)

Inventor

Gottfried Dipl-Ing Boehm

Original Assignee

Messer Griesheim Gmbh

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.)

1988-03-11

Filing date

1989-02-13

Publication date

1992-08-15

1989-02-13 Application filed by Messer Griesheim Gmbh filed Critical Messer Griesheim Gmbh

1992-08-15 Application granted granted Critical

1992-08-15 Publication of ATE78877T1 publication Critical patent/ATE78877T1/de

Links

238000010438 heat treatment Methods 0.000 title abstract 2
229910052751 metal Inorganic materials 0.000 title abstract 2
239000002184 metal Substances 0.000 title abstract 2
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title 1
238000000034 method Methods 0.000 title 1
238000002360 preparation method Methods 0.000 title 1
238000002485 combustion reaction Methods 0.000 abstract 4
239000007789 gas Substances 0.000 abstract 4
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
230000001681 protective effect Effects 0.000 abstract 3
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 abstract 2
238000004519 manufacturing process Methods 0.000 abstract 2
VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
239000002737 fuel gas Substances 0.000 abstract 1
150000002739 metals Chemical class 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
239000003345 natural gas Substances 0.000 abstract 1
229910052757 nitrogen Inorganic materials 0.000 abstract 1
239000001294 propane Substances 0.000 abstract 1

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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Coating By Spraying Or Casting (AREA)

AT89102430T 1988-03-11 1989-02-13 Verfahren zur herstellung eines schutzgases fuer die waermebehandlung von eisen und nichteisenmetallen. ATE78877T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3808146A DE3808146A1 (de)	1988-03-11	1988-03-11	Verfahren zur herstellung eines schutzgases fuer die waermebehandlung von eisen und nichteisenmetallen
EP89102430A EP0331929B1 (de)	1988-03-11	1989-02-13	Verfahren zur Herstellung eines Schutzgases für die Wärmebehandlung von Eisen und Nichteisenmetallen

Publications (1)

Publication Number	Publication Date
ATE78877T1 true ATE78877T1 (de)	1992-08-15

Family

ID=6349493

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT89102430T ATE78877T1 (de)	1988-03-11	1989-02-13	Verfahren zur herstellung eines schutzgases fuer die waermebehandlung von eisen und nichteisenmetallen.

Country Status (3)

Country	Link
EP (1)	EP0331929B1 (de)
AT (1)	ATE78877T1 (de)
DE (1)	DE3808146A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4308803A1 (de) *	1993-03-19	1994-09-22	Leybold Durferrit Gmbh	Verfahren und Vorrichtung zum Herstellen einer kohlenstoffhaltigen gasförmigen Behandlungsatmosphäre
DE19536706A1 (de) *	1995-10-02	1997-04-03	Lbe Beheizungseinrichtungen	Mantelstrahlheizrohr
RU2140459C1 (ru) *	1998-06-30	1999-10-27	Кашуба Владимир Павлович	Устройство для создания защитной атмосферы от окисления металлов, преимущественно меди и ее сплавов, при их отжиге или плавлении в печи
TW201418476A (zh) *	2012-11-01	2014-05-16	Metal Ind Res & Dev Ct	用於小型熱處理爐之爐氣產生裝置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1106787B (de) *	1956-04-26	1961-05-18	Renault	Vorrichtung zum Speisen einer Gruppe von Waermebehandlungsoefen fuer Metalle mit Schutzgas aus Daempfen organischer Fluessigkeiten, die mit Stickstoff angereichert sind
US4139375A (en) *	1978-02-06	1979-02-13	Union Carbide Corporation	Process for sintering powder metal parts
DE3037643A1 (de) *	1980-10-04	1982-05-13	Linde Ag, 6200 Wiesbaden	Verfahren und vorrichtung zum entkohlenden oder kohlungsneutralen gluehen von metallteilen
DE3104280C2 (de) *	1981-02-07	1982-10-21	Daimler-Benz Ag, 7000 Stuttgart	Verfahren zur Erzeugung von Schutzgas aus dem Abgas von strahlrohrbeheizten Öfen
GB2145503B (en) *	1983-08-24	1987-03-11	Golding Ivor Lawrence Sydney	Process of producing protective atmosphere in heat treatment furnaces and ovens
DE3422608A1 (de) *	1984-06-18	1985-12-19	Linde Ag, 6200 Wiesbaden	Verfahren und vorrichtung zum herstellen einer kohlenmonoxid und wasserstoff enthaltenden gasatmosphaere

1988
- 1988-03-11 DE DE3808146A patent/DE3808146A1/de not_active Withdrawn
1989
- 1989-02-13 EP EP89102430A patent/EP0331929B1/de not_active Expired - Lifetime
- 1989-02-13 AT AT89102430T patent/ATE78877T1/de active

Also Published As

Publication number	Publication date
EP0331929A1 (de)	1989-09-13
EP0331929B1 (de)	1992-07-29
DE3808146A1 (de)	1989-09-21

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