DE1758460B1 - OVEN SYSTEM FOR HEAT TREATMENT OF WORKPIECES UNDER PROTECTIVE GAS ATMOSPHERES - Google Patents

OVEN SYSTEM FOR HEAT TREATMENT OF WORKPIECES UNDER PROTECTIVE GAS ATMOSPHERES

Info

Publication number
DE1758460B1
DE1758460B1 DE19681758460 DE1758460A DE1758460B1 DE 1758460 B1 DE1758460 B1 DE 1758460B1 DE 19681758460 DE19681758460 DE 19681758460 DE 1758460 A DE1758460 A DE 1758460A DE 1758460 B1 DE1758460 B1 DE 1758460B1
Authority
DE
Germany
Prior art keywords
heat treatment
furnace
protective gas
annealing
quenching
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.)
Pending
Application number
DE19681758460
Other languages
German (de)
Inventor
Friedrich Dipl-Ing Eysell
Rolf Schuster
Karl-Heinz Winter
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.)
Evonik Operations GmbH
Original Assignee
Degussa 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.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Priority to DE19681758460 priority Critical patent/DE1758460B1/en
Priority to FR6916372A priority patent/FR2010507A1/fr
Priority to GB27767/69A priority patent/GB1273393A/en
Priority to SE07905/69A priority patent/SE358183B/xx
Priority to US830729A priority patent/US3582055A/en
Publication of DE1758460B1 publication Critical patent/DE1758460B1/en
Pending 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
    • 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
    • C21D1/63—Quenching devices for bath quenching

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)
  • Tunnel Furnaces (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Furnace Details (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Description

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims (5)

Patentansprüche:Patent claims: 1. Ofenanlage zur Wärmebehandlung von Werkstücken unter Schutzgasatmosphäre, dadurch gekennzeichnet, daß an eine einzige Vorkammer (2) zwei oder mehrere Glühofen (1) angeschlossen sind, wobei die mechanische Fördereinrichtung (9), mit der das Glühgut nach allen Seiten ein- und ausgestoßen werden kann, gasdicht und drehbar in der Vorkam- ä mer (2) angeordnet ist. ™1. Furnace for the heat treatment of workpieces in a protective gas atmosphere, characterized in that two or more annealing furnaces (1) are connected to a single pre-chamber (2), the mechanical conveying device (9) with which the annealing material is pushed in and out on all sides can be gas-tightly and rotatably in the ä Vorkam- mer (2) is arranged. ™ 2. Ofenanlage nach Anspruch 1, dadurch gekennzeichnet, daß das Abschreckbad, das den unteren Teil der Vorkammer (2) bildet, zum Zwecke des Auskühlens bei der Salzabschrekkung oder zum Wechsel des Abschreckmediums verschiebbar angeordnet ist.2. Furnace according to claim 1, characterized in that the quenching bath that the forms the lower part of the antechamber (2) for the purpose of cooling during the salt quenching or is arranged displaceably to change the quenching medium. 3. Ofenanlage nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, daß an Stelle des Entnahmetisches ein zusätzliches Abschreckbad angeordnet ist.3. Furnace system according to claims 1 and 2, characterized in that instead of the removal table an additional quenching bath is arranged. 4. Ofenanlage nach Anspruch 1, dadurch gekennzeichnet, daß die Glühofen an der Rückwand Türen haben, durch die das Glühgut in ein zusätzliches Abschreckbad getaucht oder zur Weiterverarbeitung entnehmbar ist.4. Furnace according to claim 1, characterized in that the annealing furnace on the rear wall Doors through which the annealing material is immersed in an additional quenching bath or for Further processing is removable. 5. Ofenanlage nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß der Ablauf des gesamten Wärmebehandlungszyklus durch Zeitschaltuhren, Potentiometer und Gasmeßgeräte automatisch erfolgt.5. Furnace according to claims 1 to 4, characterized in that the sequence of the entire Heat treatment cycle is carried out automatically by timers, potentiometers and gas meters.
DE19681758460 1968-06-05 1968-06-05 OVEN SYSTEM FOR HEAT TREATMENT OF WORKPIECES UNDER PROTECTIVE GAS ATMOSPHERES Pending DE1758460B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19681758460 DE1758460B1 (en) 1968-06-05 1968-06-05 OVEN SYSTEM FOR HEAT TREATMENT OF WORKPIECES UNDER PROTECTIVE GAS ATMOSPHERES
FR6916372A FR2010507A1 (en) 1968-06-05 1969-05-20
GB27767/69A GB1273393A (en) 1968-06-05 1969-06-02 A furnace installation for heat-treating workpieces in a protective-gas atmosphere
SE07905/69A SE358183B (en) 1968-06-05 1969-06-04
US830729A US3582055A (en) 1968-06-05 1969-06-05 Furnace plants for heat treatment of workpieces under protective gas atmospheres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681758460 DE1758460B1 (en) 1968-06-05 1968-06-05 OVEN SYSTEM FOR HEAT TREATMENT OF WORKPIECES UNDER PROTECTIVE GAS ATMOSPHERES

Publications (1)

Publication Number Publication Date
DE1758460B1 true DE1758460B1 (en) 1971-05-06

Family

ID=5695048

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681758460 Pending DE1758460B1 (en) 1968-06-05 1968-06-05 OVEN SYSTEM FOR HEAT TREATMENT OF WORKPIECES UNDER PROTECTIVE GAS ATMOSPHERES

Country Status (4)

Country Link
US (1) US3582055A (en)
DE (1) DE1758460B1 (en)
FR (1) FR2010507A1 (en)
GB (1) GB1273393A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538958A1 (en) * 1985-11-02 1987-05-14 Ruhrgas Ag Furnace installation for the heat treatment of workpieces
DE3935014A1 (en) * 1989-10-20 1991-04-25 Pfeiffer Vakuumtechnik MULTI-CHAMBER VACUUM SYSTEM

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2583774B1 (en) * 1985-06-25 1992-08-14 Stein Heurtey INSTALLATION OF THERMOCHEMICAL TREATMENTS AT DIFFERENT TEMPERATURES AND ATMOSPHERES, PARTICULARLY FOR THE AUTOMOTIVE INDUSTRY
JP2697364B2 (en) * 1991-04-30 1998-01-14 株式会社村田製作所 Heat treatment system
US7905161B2 (en) * 2007-06-20 2011-03-15 Longyear Tm, Inc. Process of drill bit manufacture
ES2532581T3 (en) * 2012-07-11 2015-03-30 Loi Thermprocess Gmbh Procedure and rotary home furnace for heat treatment of work pieces

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538958A1 (en) * 1985-11-02 1987-05-14 Ruhrgas Ag Furnace installation for the heat treatment of workpieces
DE3935014A1 (en) * 1989-10-20 1991-04-25 Pfeiffer Vakuumtechnik MULTI-CHAMBER VACUUM SYSTEM

Also Published As

Publication number Publication date
FR2010507A1 (en) 1970-02-20
GB1273393A (en) 1972-05-10
US3582055A (en) 1971-06-01

Similar Documents

Publication Publication Date Title
CA918418A (en) Apparatus for minimizing atmosphere upset in a furnace for heat treating articles
ZA716349B (en) Process for heat treating rails having a high wear resistance and the rails treated by said process
DE1758460B1 (en) OVEN SYSTEM FOR HEAT TREATMENT OF WORKPIECES UNDER PROTECTIVE GAS ATMOSPHERES
ES422145A1 (en) Continuous annealing furnace
AT330228B (en) STEEL ALLOY FOR THE MANUFACTURING OF SLABS INTENDED FOR FURTHER PROCESSING INTO AGING RESISTANT SHEET METALS AND METHOD FOR MANUFACTURING THIS SHEET METAL
CA1014733A (en) Method and apparatus for heat treating articles in a recirculating type furnace
GB1374672A (en) Process and apparatus for heat-treating and cooling hot briquettes
DE2156306C3 (en) Multi-station vacuum furnace system for tempering, hardening and soldering of workpieces
ZA713797B (en) Process for the treatment of heat exchangers and similar apparatus in thermal power plants
CH546933A (en) PROCEDURE FOR DEFROSTING AN EVAPORATOR PART IN AN INERT GAS COOLING DEVICE AND DEVICE FOR THE PROCESSING THEREOF.
IT1032436B (en) HEAT TREATMENT VESSEL FOR MELTED REACTIVE METALS AND MANUFACTURING PROCESS
JPS51136514A (en) Process and apparatus for heat treatment of metals
JPS5286404A (en) Drying and heat up method bricks of cooling chamber in coke dry quench ing equipment
FR2217425A1 (en) Quenching metal sheet under tension - average or thick sheet is rapidly cooled without warping
JPS53119244A (en) Processing heat treating method of weldable structural steel plate
DE2730310C2 (en) Method of conveying grates through a tunnel kiln
Polezhaev Nonstationary laminar thermal convection in a closed region for a given heat flux(Dynamic nonstationary thermal convection in closed region with heat input from lateral surface for high Rayleigh and Fourier numbers)
Prenosil Intensification of Carburizing Process in Continuous Furnaces by Adding Ammonia Into Carburizing Atmosphere
JPS5218415A (en) Continuous annealing process and apparatus
GB1345239A (en) Method and apparatus for the treatment of glass or crystalline glass articles that are to be hardened
Lecroisey et al. Non-Cyanide Salt-Bath Cementation Processes
FR2236961A1 (en) Improved magnetic steel sheet - by diffusing in aluminium or silicon from aq paste
GB1454837A (en) Method of heating and annealing ferrous and non-ferrous metals
Lu et al. Bright Quenching of the Pencil-Sharpened Blades With Nitrogen-Based Atmosphere
JPS5311111A (en) Vacuum heat treating equipment

Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
AG Has addition no.

Ref document number: 2117081

Country of ref document: DE