DE4034085C1 - - Google Patents

Info

Publication number
DE4034085C1
DE4034085C1 DE4034085A DE4034085A DE4034085C1 DE 4034085 C1 DE4034085 C1 DE 4034085C1 DE 4034085 A DE4034085 A DE 4034085A DE 4034085 A DE4034085 A DE 4034085A DE 4034085 C1 DE4034085 C1 DE 4034085C1
Authority
DE
Germany
Prior art keywords
gas
treatment chamber
openings
vacuum furnace
workpieces
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 - Lifetime
Application number
DE4034085A
Other languages
German (de)
English (en)
Inventor
Gerhard 6100 Darmstadt De Welzig
Friedrich Dipl.-Phys. Dr. 6470 Buedingen De Preisser
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 DE4034085A priority Critical patent/DE4034085C1/de
Priority to AT91117616T priority patent/ATE111589T1/de
Priority to DE59102927T priority patent/DE59102927D1/de
Priority to EP91117616A priority patent/EP0483596B1/de
Priority to YU169091A priority patent/YU169091A/sh
Priority to CS913249A priority patent/CZ282179B6/cs
Application granted granted Critical
Publication of DE4034085C1 publication Critical patent/DE4034085C1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • 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
    • F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
    • 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
    • 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
    • F27B5/14—Arrangements of heating devices
    • F27B2005/143—Heating rods disposed in the chamber
    • F27B2005/146—Heating rods disposed in the chamber the heating rods being in the tubes which conduct the heating gases
    • 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
    • F27B2005/164—Air supply through a set of tubes with openings
    • F27B2005/165—Controlled tubes, e.g. orientable or with closable openings
    • 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
    • F27B2005/167—Means to circulate the atmosphere the atmosphere being recirculated through the treatment chamber by a turbine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
DE4034085A 1990-10-26 1990-10-26 Expired - Lifetime DE4034085C1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE4034085A DE4034085C1 (it) 1990-10-26 1990-10-26
AT91117616T ATE111589T1 (de) 1990-10-26 1991-10-16 Vakuumofen zur wärmebehandlung metallischer werkstücke.
DE59102927T DE59102927D1 (de) 1990-10-26 1991-10-16 Vakuumofen zur Wärmebehandlung metallischer Werkstücke.
EP91117616A EP0483596B1 (de) 1990-10-26 1991-10-16 Vakuumofen zur Wärmebehandlung metallischer Werkstücke
YU169091A YU169091A (sh) 1990-10-26 1991-10-23 Vakuumska peć za termičku obradu metalnih radnih komada
CS913249A CZ282179B6 (cs) 1990-10-26 1991-10-25 Vakuová pec k tepelnému zpracování kovových obrobků

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4034085A DE4034085C1 (it) 1990-10-26 1990-10-26

Publications (1)

Publication Number Publication Date
DE4034085C1 true DE4034085C1 (it) 1991-11-14

Family

ID=6417107

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4034085A Expired - Lifetime DE4034085C1 (it) 1990-10-26 1990-10-26
DE59102927T Expired - Lifetime DE59102927D1 (de) 1990-10-26 1991-10-16 Vakuumofen zur Wärmebehandlung metallischer Werkstücke.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59102927T Expired - Lifetime DE59102927D1 (de) 1990-10-26 1991-10-16 Vakuumofen zur Wärmebehandlung metallischer Werkstücke.

Country Status (5)

Country Link
EP (1) EP0483596B1 (it)
AT (1) ATE111589T1 (it)
CZ (1) CZ282179B6 (it)
DE (2) DE4034085C1 (it)
YU (1) YU169091A (it)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689225A1 (fr) * 1992-03-25 1993-10-01 Stein Heurtey Physitherm Four pour traitement sous vide ou sous atmosphère gazeuse et pour trempe sous pression.
DE102005045783A1 (de) * 2005-09-23 2007-03-29 Sistem Teknik Endustriyel Elektronik Sistemler Sanayi Ve Ticaret Ltd. Sirketi Einkammer-Vakuumofen mit Wasserstoffabschreckung
WO2008155426A1 (de) * 2007-06-21 2008-12-24 Eliog-Kelvitherm Industrieofenbau Gmbh Vakuumofen zur wärmebehandlung von metallischen werkstücken und verfahren zu dessen betrieb

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4206851A1 (de) * 1992-03-05 1993-09-09 Riedhammer Gmbh Co Kg Heizrohr fuer einen industrieofen, industrieofen und verfahren zur beheizung des ofens
DE102018100745B3 (de) * 2018-01-15 2019-05-09 Ebner Industrieofenbau Gmbh Konvektionsofen
FR3102547B1 (fr) * 2019-10-24 2022-06-17 Ecm Tech Cellule de trempe sous gaz

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839807C2 (de) * 1978-09-13 1986-04-17 Degussa Ag, 6000 Frankfurt Vakuumofen mit Gaskühleinrichtung
DE3208574C2 (it) * 1982-03-10 1988-06-09 Schmetz Gmbh & Co Kg Unternehmensverwaltung, 5750 Menden, De
DE3736502C1 (de) * 1987-10-28 1988-06-09 Degussa Vakuumofen zur Waermebehandlung metallischer Werkstuecke
DE3910234C1 (it) * 1989-03-30 1990-04-12 Degussa Ag, 6000 Frankfurt, De

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839807C2 (de) * 1978-09-13 1986-04-17 Degussa Ag, 6000 Frankfurt Vakuumofen mit Gaskühleinrichtung
DE3208574C2 (it) * 1982-03-10 1988-06-09 Schmetz Gmbh & Co Kg Unternehmensverwaltung, 5750 Menden, De
DE3736502C1 (de) * 1987-10-28 1988-06-09 Degussa Vakuumofen zur Waermebehandlung metallischer Werkstuecke
DE3910234C1 (it) * 1989-03-30 1990-04-12 Degussa Ag, 6000 Frankfurt, De

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2689225A1 (fr) * 1992-03-25 1993-10-01 Stein Heurtey Physitherm Four pour traitement sous vide ou sous atmosphère gazeuse et pour trempe sous pression.
DE102005045783A1 (de) * 2005-09-23 2007-03-29 Sistem Teknik Endustriyel Elektronik Sistemler Sanayi Ve Ticaret Ltd. Sirketi Einkammer-Vakuumofen mit Wasserstoffabschreckung
WO2008155426A1 (de) * 2007-06-21 2008-12-24 Eliog-Kelvitherm Industrieofenbau Gmbh Vakuumofen zur wärmebehandlung von metallischen werkstücken und verfahren zu dessen betrieb

Also Published As

Publication number Publication date
EP0483596B1 (de) 1994-09-14
YU169091A (sh) 1994-11-15
CS324991A3 (en) 1992-05-13
ATE111589T1 (de) 1994-09-15
DE59102927D1 (de) 1994-10-20
EP0483596A1 (de) 1992-05-06
CZ282179B6 (cs) 1997-05-14

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Legal Events

Date Code Title Description
8100 Publication of patent without earlier publication of application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee