EP0922778B1 - Installation de traitement thermique sous vide modulaire - Google Patents
Installation de traitement thermique sous vide modulaire Download PDFInfo
- Publication number
- EP0922778B1 EP0922778B1 EP98410138A EP98410138A EP0922778B1 EP 0922778 B1 EP0922778 B1 EP 0922778B1 EP 98410138 A EP98410138 A EP 98410138A EP 98410138 A EP98410138 A EP 98410138A EP 0922778 B1 EP0922778 B1 EP 0922778B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- module
- cells
- cell
- thermal processing
- installation
- 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
Links
Images
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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
- F27B9/029—Multicellular type furnaces constructed with add-on modules
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/04—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
- F27B9/042—Vacuum furnaces
-
- 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
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
- F27B2017/0091—Series of chambers, e.g. associated in their use
Definitions
- the present invention relates to an installation of heat treatment in a rarefied atmosphere of the type comprising several treatment cells connected to a common enclosure waterproof fitted with handling means to transfer a load from one cell to another.
- French patent application 2,537,260 describes a such a heat treatment installation.
- Treatment cells are arranged horizontally and star-shaped inside a sealed cylindrical enclosure with a vertical axis. Cells are served by a central handling device.
- a disadvantage of known installations of this type is that the number of treatment cells is fixed. There is no possibility of upgrading the installation so that it has additional processing cells.
- FR-A-2 487 492 describes a treatment installation thermal effect by a combination of elements modular including a metal enclosure coated with the inside of a layer of thermally material insulation defining an internal volume inside which there are arranged means of transfer and heating or cooling; the combination of said modular elements is arranged inside an enclosure waterproof fitted with an airlock at each of its ends having a structure similar to that of a modular element.
- An object of the present invention is to provide a heat treatment installation chained under atmosphere rarefied able to receive any number of cells of treatment.
- Another object of the present invention is to provide such an installation which allows an intervention particularly easy in the enclosure.
- the enclosure common is a cylinder with horizontal axis of which at least one end is intended to receive a module in the form of a cylindrical extension to which cells are connected additional.
- At least one end of the cylinder has a cover removable in place of which the module can be mounted.
- the handling means include a moving cart parallel to the cylinder axis and serving the cells at by means of a telescopic element.
- one of the cells is an oil quenching cell serving also of loading / unloading cell.
- the carriage moves on rails integral with the enclosure, these rails being extended in the module by rails integral with the module.
- the module is designed to be mounted at one end on the enclosure and by the other end on another module.
- the module is open at both ends, the remaining end open after mounting the module on the enclosure receiving a additional module or cover.
- the installation includes a working gas quenching cell with nitrogen or a mixture comprising at least 50% nitrogen.
- the present invention provides a modular installation. Modularity is made possible thanks to a structure particular installation.
- Figure 1 illustrates in solid lines a basic module 6 of an installation according to the invention and in dotted lines a module additional 8.
- the basic module 6 comprises a sealed enclosure 10 in the form of a cylinder with a horizontal axis.
- the two ends of this cylinder 10, provided with flanges, are blocked by removable waterproof covers 12.
- the treatment cells are laterally connected to cylinder 10 and are in the same horizontal plane.
- Figure 1 illustrates two heat treatment cells 14 arranged one opposite the other, a loading / unloading cell 15, and a gas quenching cell 16 arranged in front of the loading / unloading 15.
- the enclosure cylindrical 10 has lateral cylindrical extensions 10-1 fitted with flanges for sealingly fixing treatment cells, for example using bolts.
- the communication openings heat treatment cells 14 with enclosure 10 are provided with doors (not shown) which are heat-insulated but not waterproof. Indeed, the pressure that is prevailing in the enclosure 10, of the order of 5 millibars, is that which must reign in the treatment cells 14.
- the loading / unloading 15 and the gas quenching cell 16 are fitted with watertight doors, respectively 15-1 and 16-1, at the level of their communication openings with the enclosure 10. Indeed the loading / unloading cell 15 includes a external door 15-2 intended to insert the loads to be treated in the installation. Cell 15 must therefore be able to be atmospheric pressure without disturbing the atmosphere of the enclosure 10. Likewise, he reigns in cell 16, during the quenching operations, a pressure higher than the pressure atmospheric.
- a handling device is in the form of a carriage 18 moving parallel to the axis of the cylinder 10.
- This carriage 18 moves, for example, on rails 20 extending along the length of the cylinder 10.
- the carriage 18 is provided with a telescopic fork 22 which is likely to stretch from side and other side of the carriage 18 to the center of each cell 14 to 16 to pick up and drop off a load during treatment.
- the two cells 14 are, for example, case hardening cells, which will treat two charges 24 practically at the same time.
- the only quenching cell 16 will suffice because the quenching operation is particularly rapid by report on cementation operations.
- a module 8 is mounted on the basic installation shown in dotted lines in FIG. 1.
- This module 8 includes a cylindrical part 10 'which is mounted in the extension of the cylindrical enclosure 10 in place of one of the covers 12. The cover 12 removed can be used to close the end free from the cylindrical part 10 '.
- Module 8 can have, as shown, only two cells additional 14 'connected opposite one another on the cylindrical part 10 '.
- module 8 can be mounted on the free ends of module 8 and the base module 6 in place of the covers 12. It is thus possible to mount in cascade several modules to create a heat treatment installation tailored to the needs of the user.
- module 8 may include rails 20 'which are connected to the rails 20 when the module 8 is mounted on the basic installation.
- the installation may include a loading / unloading cell 15 and a gas quenching cell 16.
- Gas quenching is suitable for large number of materials. To achieve a good compromise between the power required to mix quench gas and diversity materials that can be quenched under gas, we use nitrogen or a mixture containing at least 50% nitrogen.
- FIG. 3 represents a side view in section of a installation of the type of FIG. 1, comprising a oil quenching 30.
- This cell 30 can advantageously replace the load / unload cell 15 in Figures 1 and 2.
- the oil quenching cell 30 then has a door outside 30-1 used to extract and introduce charges 24 in the installation.
- the cell 30 also includes a lift 32 to keep the load at a height adapted to the handling device 18, 22 and to immerse the charge 24 in an oil bath 34.
- This arrangement is advantageous because the operation of quenching being the last, we can directly extract the charge 24 dealt with by removing the travel time of a cell of quenching up to the loading / unloading cell. We avoid also the additional cost of a loading / unloading cell dedicated.
- the oil quenching cell 30 is fitted, like the loading / unloading cell 15, with a watertight door (not shown) intended to isolate it from the enclosure 10 to allow loading / unloading operations at atmospheric pressure without affecting the pressure prevailing in enclosure 10.
- the handling device 18, 22 is moved by conventional means.
- the carriage 18 can move the along the rails 20 thanks to an on-board electric motor provided with a pinion which meshes on a rack arranged parallel to the rails.
- Telescopic fork 22 can be stretched and retracted by a chain or lever system. Raising and lowering of the fork can be obtained by a cam system or to eccentric.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Articles (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Furnace Details (AREA)
- Tunnel Furnaces (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Photovoltaic Devices (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Description
Claims (8)
- Installation de traitement thermique enchaíné sous atmosphère raréfiée comprenant plusieurs cellules de traitement (14, 15, 16) reliées dans un plan horizontal à une enceinte étanche commune munie de moyens de manutention (18, 22) pour transférer une charge (24) d'une cellule à une autre, caractérisée en ce que l'enceinte commune est un cylindre à axe horizontal (10) dont au moins une extrémité est prévue pour recevoir un module (8) sous forme d'un prolongement cylindrique (10') auquel sont reliées des cellules supplémentaires (14').
- Installation de traitement thermique selon la revendication 1, caractérisée en ce qu'au moins une extrémité du cylindre est munie d'un couvercle amovible (12) à la place duquel peut se monter le module (8).
- Installation de traitement thermique selon la revendication 1, caractérisée en ce que les moyens de manutention comprennent un chariot (18) se déplaçant parallèlement à l'axe du cylindre (10) et desservant les cellules au moyen d'un élément télescopique (22).
- Installation de traitement thermique selon la revendication 1, caractérisée en ce que l'une des cellules est une cellule de trempe à l'huile (30) servant également de cellule de chargement/déchargement.
- Installation de traitement thermique selon la revendication 1, caractérisée en ce que le chariot (18) se déplace sur des rails (20) solidaires de l'enceinte (10), ces rails étant prolongés dans le module (8) par des rails (20') solidaires du module.
- Installation de traitement thermique selon la revendication 1, caractérisée en ce que le module (8) est prévu pour être monté par une extrémité sur l'enceinte (10) et par l'autre extrémité sur un autre module.
- Installation de traitement thermique selon la revendication 2, caractérisée en ce que le module (8) est ouvert aux deux extrémités, l'extrémité restant ouverte après le montage du module sur l'enceinte (10) recevant un module supplémentaire ou le couvercle (12).
- Installation de traitement thermique selon la revendication 1, caractérisée en ce qu'elle comprend une cellule de trempe sous gaz (16) fonctionnant avec de l'azote ou un mélange comportant au moins 50 % d'azote.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9715506 | 1997-12-02 | ||
FR9715506A FR2771754B1 (fr) | 1997-12-02 | 1997-12-02 | Installation de traitement thermique sous vide modulaire |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0922778A1 EP0922778A1 (fr) | 1999-06-16 |
EP0922778B1 true EP0922778B1 (fr) | 2002-08-21 |
Family
ID=9514321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98410138A Expired - Lifetime EP0922778B1 (fr) | 1997-12-02 | 1998-12-02 | Installation de traitement thermique sous vide modulaire |
Country Status (9)
Country | Link |
---|---|
US (1) | US6065964A (fr) |
EP (1) | EP0922778B1 (fr) |
JP (1) | JPH11237185A (fr) |
KR (1) | KR100602225B1 (fr) |
AT (1) | ATE222608T1 (fr) |
CA (1) | CA2255343C (fr) |
DE (1) | DE69807305T2 (fr) |
ES (1) | ES2181148T3 (fr) |
FR (1) | FR2771754B1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2801059B1 (fr) * | 1999-11-17 | 2002-01-25 | Etudes Const Mecaniques | Procede de trempe apres cementation a basse pression |
FR2809746B1 (fr) | 2000-06-06 | 2003-03-21 | Etudes Const Mecaniques | Installation de cementation chauffee au gaz |
EP1193317B1 (fr) * | 2000-09-27 | 2004-07-28 | Patherm SA | Installation pour le traitement thermique de charges de pièces métalliques |
EP1229137B1 (fr) | 2001-01-26 | 2006-08-09 | Ipsen International GmbH | Installation et procédé pour transporter des pièces métalliques ainsi qu'une installation pour le traitement thermique de ces pièces |
DE10118244C1 (de) * | 2001-04-11 | 2002-08-22 | Ald Vacuum Techn Ag | Modulare Vorrichtung für die Abschreckhärtung von Werkstücken |
JP2003183728A (ja) | 2001-12-14 | 2003-07-03 | Jh Corp | 真空熱処理装置 |
US6902635B2 (en) * | 2001-12-26 | 2005-06-07 | Nitrex Metal Inc. | Multi-cell thermal processing unit |
US6627856B2 (en) | 2001-12-26 | 2003-09-30 | Nitrex Metal Inc. | Moveable heat exchanger |
DE10359458B4 (de) * | 2003-12-17 | 2009-09-24 | Ald Vacuum Technologies Gmbh | Vorrichtung zur verketteten Wärmebehandlung von Werkstücken unter Unterdruck |
FR2864106B1 (fr) * | 2003-12-23 | 2006-08-11 | Etudes Const Mecaniques | Dispositif de trempe |
WO2007062008A2 (fr) * | 2005-11-23 | 2007-05-31 | Surface Combustion, Inc. | Traitement de surface d’articles metalliques dans un four atmospherique |
JP6403959B2 (ja) * | 2014-03-06 | 2018-10-10 | Dowaサーモテック株式会社 | 浸炭焼入れ設備 |
CN110453060B (zh) * | 2019-09-11 | 2024-08-02 | 东莞市升华炉具设备有限公司 | 均质设备 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE243050C (fr) * | ||||
FR2487492B1 (fr) * | 1980-07-25 | 1987-07-17 | Bmi | Four pour traitement thermique ou thermochimique en continu de metaux |
JPS57137417A (en) * | 1981-02-17 | 1982-08-25 | Michio Sugiyama | Semicontinuous vacuum heat treatment furnace and operating method |
FR2537260B3 (fr) * | 1982-12-02 | 1985-11-22 | Traitement Sous Vide | Four multicellulaire pour le traitement thermique, thermochimique ou electrothermique de metaux sous atmosphere rarefiee |
US5259881A (en) * | 1991-05-17 | 1993-11-09 | Materials Research Corporation | Wafer processing cluster tool batch preheating and degassing apparatus |
DD243050A1 (de) * | 1985-11-27 | 1987-02-18 | Hochvakuum Dresden Veb | Rezipient fuer vakuumanlagen |
FR2594102B1 (fr) * | 1986-02-12 | 1991-04-19 | Stein Heurtey | Installation flexible automatisee de traitement thermochimique rapide |
JPS63148088A (ja) * | 1986-07-17 | 1988-06-20 | 大亜真空株式会社 | 連続式真空熱処理炉 |
KR890001020A (ko) * | 1987-06-30 | 1989-03-17 | 송진황 | 전자음악장치 |
FR2634496B1 (fr) * | 1988-07-25 | 1992-06-19 | Centre Nat Rech Scient | Polysaccharides, procede pour leur preparation par culture de pseudomonas paucimobilis et application des souches en agriculture |
US5076205A (en) * | 1989-01-06 | 1991-12-31 | General Signal Corporation | Modular vapor processor system |
FR2644567A1 (fr) * | 1989-03-17 | 1990-09-21 | Etudes Const Mecaniques | Dispositif pour l'execution de traitements thermiques enchaines en continu sous vide |
DE3934103A1 (de) * | 1989-10-12 | 1991-04-25 | Ipsen Ind Int Gmbh | Ofen zur partiellen waermebehandlung von werkzeugen |
JPH04309786A (ja) * | 1991-04-09 | 1992-11-02 | Tokai Konetsu Kogyo Co Ltd | 真空連続熱処理炉 |
JP3118612B2 (ja) * | 1991-09-30 | 2000-12-18 | 株式会社トウネツ | 熱処理設備 |
JP3289949B2 (ja) * | 1992-04-27 | 2002-06-10 | パーカー熱処理工業株式会社 | 密閉循環式ガス焼入装置及びガス焼入方法 |
JP3781787B2 (ja) * | 1993-10-26 | 2006-05-31 | 株式会社半導体エネルギー研究所 | 多目的基板処理装置およびその動作方法および薄膜集積回路の作製方法 |
FR2719893B1 (fr) * | 1994-05-13 | 1996-08-02 | Europ Propulsion | Dispositif de chargement d'un four spatial automatique. |
DE4442903A1 (de) * | 1994-12-02 | 1996-06-05 | Hans Ruediger Dr Ing Hoffmann | Vakuumkammerofenanlage in einem senkrecht stehenden Behälter, der der Länge nach in drei etwa gleichgroße Kammern unterteilt ist, von denen die beiden äußeren während des Betriebs stets unter Überdruck stehen |
JP3490791B2 (ja) * | 1994-12-20 | 2004-01-26 | 光洋サーモシステム株式会社 | 多室熱処理炉 |
-
1997
- 1997-12-02 FR FR9715506A patent/FR2771754B1/fr not_active Expired - Fee Related
-
1998
- 1998-12-01 JP JP10355460A patent/JPH11237185A/ja active Pending
- 1998-12-01 CA CA002255343A patent/CA2255343C/fr not_active Expired - Fee Related
- 1998-12-02 DE DE69807305T patent/DE69807305T2/de not_active Expired - Lifetime
- 1998-12-02 KR KR1019980052494A patent/KR100602225B1/ko not_active IP Right Cessation
- 1998-12-02 AT AT98410138T patent/ATE222608T1/de active
- 1998-12-02 EP EP98410138A patent/EP0922778B1/fr not_active Expired - Lifetime
- 1998-12-02 ES ES98410138T patent/ES2181148T3/es not_active Expired - Lifetime
- 1998-12-02 US US09/204,379 patent/US6065964A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100602225B1 (ko) | 2006-10-24 |
JPH11237185A (ja) | 1999-08-31 |
DE69807305T2 (de) | 2003-04-17 |
ATE222608T1 (de) | 2002-09-15 |
ES2181148T3 (es) | 2003-02-16 |
CA2255343C (fr) | 2006-10-17 |
DE69807305D1 (de) | 2002-09-26 |
FR2771754A1 (fr) | 1999-06-04 |
EP0922778A1 (fr) | 1999-06-16 |
FR2771754B1 (fr) | 2000-02-11 |
KR19990062712A (ko) | 1999-07-26 |
US6065964A (en) | 2000-05-23 |
CA2255343A1 (fr) | 1999-06-02 |
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