WO2010020266A1 - Anlage für thermische bearbeitungsprozesse - Google Patents
Anlage für thermische bearbeitungsprozesse Download PDFInfo
- Publication number
- WO2010020266A1 WO2010020266A1 PCT/EP2008/006855 EP2008006855W WO2010020266A1 WO 2010020266 A1 WO2010020266 A1 WO 2010020266A1 EP 2008006855 W EP2008006855 W EP 2008006855W WO 2010020266 A1 WO2010020266 A1 WO 2010020266A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- workpiece
- medium
- processing section
- temperature adjustment
- Prior art date
Links
Classifications
-
- 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
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- 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
- C21D1/34—Methods of heating
-
- 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
-
- 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
- F27B9/028—Multi-chamber type 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
-
- 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
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/12—Arrangement of elements for electric heating in or on furnaces with electromagnetic fields acting directly on the material being heated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/0005—Cooling of furnaces the cooling medium being a gas
Definitions
- the invention relates to a system for various types of thermal machining processes having a first processing section for heating a workpiece or medium to be processed to a first process temperature, a temperature adjustment section in which the workpiece or medium assumes a compensation temperature, and a second processing section for transferring the workpiece or medium a second process temperature
- Furnace plants with T-fitting sections belong to the oldest production plants in the history of technology and have been continuously developed over the centuries.
- the invention is therefore based on the object, an improved system of the type mentioned, which can be created inexpensively and controlled well, and to provide a corresponding method.
- the invention includes the essential idea, in the energetic decoupling between the temperature adjustment section and the upstream and downstream sections of the hitherto predominantly practiced principle of thermal insulation and to use the reverberation of the wall in the interior of the temperature adjustment section for T-adjustment of the workpiece. Furthermore, the invention includes the idea to provide this extensive cladding (hereinafter also referred to as lining) of this section with a material having optimized reflection properties.
- workpiece means any solid article to be processed, that is to say not only individual parts but also a quasi-endless wire or strip-shaped material or a composite of materials. miger machining object or a pourable processing material to be understood.
- the proposed "thermally light" construction of the post-processing section or the tempering chamber to be assigned thereto is accompanied by a structure which is also light in mechanical terms and thus comparatively low in material and construction costs.
- the mechanically lightweight design has the further advantage of quick assembly and disassembly, which enables the manufacturer to respond quickly to customer requests. While the conversion of classic furnaces can take weeks or months, the preparation of the post-processing section of a system according to the invention (of course, depending on the size) is possible in principle in a few days.
- the temperature adaptation section without an active heating device emerges, or in any case, in one preferred embodiment, an active heating device is provided only in a smaller region of the temperature control chamber. In any case, this reduces installation and operating costs in comparison to systems with post-processing or T-fitting sections, in which the heat introduced by the workpieces can be used less efficiently.
- the proposed furnace system is sensitive to changes in the temperature of the post-processing heat-introducing workpieces or the environment.
- a control heater is therefore provided in the temperature control chamber small power for performing temperature corrections whose maximum power is smaller by at least an order of magnitude than a required to achieve the compensation temperature or the Aus GmbHstemperatur Symposium Edition
- control heating device Since the control heating device only has to be dimensioned with regard to expected T fluctuations, it can also be implemented inexpensively. In view of their special function, it is important to have fast response and fine dosing, taking the corresponding user requirements into account. In view of this, it is preferably provided that the o.g. active heating device or the control heating device is associated with a substantially inertia-free temperature control.
- the first and / or second processing section has a furnace chamber, which is equipped with an active heating device and is also lined in the majority of the inner wall with reflective sheet material.
- a thermal insulation of the furnace chamber at least predominantly by the reflective material, optionally supported by a sweeping along this stream of cooling gas, can be effected.
- the "isolation principle" on which the creation of the temperature adaptation section is based is also applied to at least one of the main processing sections or the corresponding oven chamber.
- the optionally provided air or gas stream cooling can, if necessary, also be applied to the temperature adaptation section. This applies in particular if, due to certain safety requirements, its outer surface must be kept below certain limit temperatures that can be determined solely by the optimized reflectivity. can not realize onseigenschaften the wall.
- a gas circulation cooling can be provided, which comprises the generation and guidance of a cooling gas flow at the back of the lining material and, after heating of the gas, over a workpiece surface.
- a heating device of the first and / or second processing section and / or an optionally provided heating device of the temperature adjustment section to have NIR or IR radiation heaters.
- Furnaces equipped with IR or NIR emitters have been known for some time and are used in industrial applications; In particular, such systems are also developed and offered by the applicant and are the subject of earlier patent applications by the applicant. A more detailed description of this type of heating elements and its integration into a modern thermal processing system is therefore unnecessary here.
- the material mentioned for cladding or lining of the tempering a highly reflective sheet composite material having a coating on a metal support with a reflectance of 97.5% or more and then a transparent oxide or glassy corrosion protection layer ,
- the carrier of the highly reflective sheet-like composite material made of aluminum or an aluminum alloy or stainless steel or a ceramic.
- the coating may consist essentially of silver or ultra-pure aluminum with a purity of 99.99% or more.
- the rear side of the highly reflective sheet-like composite material be colored dark to improve the heat radiation, in particular blackened.
- the temperature adjustment section and optionally also a furnace chamber is optically closed substantially on all sides, if this in consideration of the processes for charging and emptying the furnace system is possible.
- This can also make sense the use of input and / or output-side lock devices.
- the dimensions of loading and unloading openings are preferably kept to a minimum.
- the optical sealing means are assigned to prevent radiation leakage.
- the optical sealing means on an inlet and / or outlet slope or curve, which is at least partially occupied by reflective material.
- the inlet and / or outlet slope adjustment means may be assigned to adjust their inclination angle, and there may be a plurality of sections with different, optionally separately adjustable inclination angles, the inlet and / or outlet slope.
- the reflective material causing the re-radiation of the registered heat can in principle form the wall of the tempering chamber alone-without additional heat-storing and / or -isolating outer wall.
- This can be realized, for example, by forming the reflective material, especially highly reflective composite material, in foil or plate form in accordance with the predetermined outer shape of a temperature-control chamber and suspending or bracing it on a support frame.
- an alternative embodiment provides that the reflective sheet material of an outer wall of the temperature control chamber and / or an outer wall of the furnace chamber with a predetermined distance, in particular mounted on a support structure, is vorgeblendet.
- This design is particularly useful when modernized furnace designs using the invention modernized or at least its design principle and proven components should be used.
- this embodiment is useful if a "massive" outer wall is desired due to the specific nature of the particular application.
- the system is designed for the thermal treatment and / or drying or crosslinking of a coating of a rolled steel product, in particular of a coil.
- the system is characterized by the training for thermal treatment and / or drying or crosslinking of a coating of a plastic product or ceramic product.
- Another important embodiment of the process of the invention is the drying or crosslinking of a lacquer layer on a support.
- the residence time of the workpiece or a point of a quasi-less material or a point of a medium in the temperature adjustment section to be set is dependent on the relation between the first process temperature and the compensation temperature to be achieved, the transport speed, the heat radiation capability and other factors. In meaningful embodiments of the invention, it is between 0.5 and 10 s, in particular between 1 and 5 s.
- Fig. 1 is a schematic longitudinal sectional view of a first embodiment of the system according to the invention.
- Fig. 2 is a schematic longitudinal sectional view of a second embodiment of the system according to the invention.
- 1 shows a plant 1 for thermal processing processes, which stands on uprights 3 and has an outer wall 5, which is cooled in the upper region by a gas stream 7, which flows between the outer wall and an inner wall 9.
- a transport channel 11 is laid, in which a bulk material to be processed 13 is conveyed in the direction of arrow A.
- the plant 1 comprises a first processing section IA, in which there is a first process temperature PT1, a temperature adjustment section IB, in which the bulk material 13 assumes a compensation temperature TX and holds for a predetermined period of time, and a second processing section IC, in which a second process temperature reaches PT2 and kept.
- first processing section are below the upper inner wall 9, aligned on the bulk material 13, NIR emitters 15 each provided with reflectors 15a provided in the Temperaturanpassab mustard below the inner wall (ceiling) 9 a planar reflector 17 is disposed, and in the second processing section IC are conventional IR emitter 19 arranged for medium or long-wave infrared.
- the reflector 17 in the temperature-adjusting section IB has a multi-layered structure, which is not shown to scale for clarity and includes a ceramic support plate 17a, a high-reflection Ag coating 17b, and a glassy corrosion protection layer 17c.
- two low-power NIR radiators 21 are provided in the temperature adjustment section for fine control of the compensation temperature TX.
- Fig. 2 shows a system 101 for multi-stage thermal processing of individual workpieces. This system is similar in parts of its construction of Appendix 1 of FIG. 1, in that regard, a reference to Fig. 1 reference numerals are used, and the corresponding parts will not be explained again here.
- the plant 101 comprises, like the plant 1 of FIG. 1, a first processing section 101A, in which a first process temperature PTl * prevails, a temperature adjustment section 101B, in which a compensation temperature TX * prevails, and a second processing section 101C, in which a two- te process temperature PT ** prevails.
- a first processing section 101A in which a first process temperature PTl * prevails
- a temperature adjustment section 101B in which a compensation temperature TX * prevails
- a second processing section 101C in which a two- te process temperature PT ** prevails.
- workpieces 113 are conveyed in the direction of arrow A * through the plant and subjected to a two-stage processing with interim temperature compensation.
- the second processing section 101C is here formed by a cooling line with spray nozzles 118, from which the workpieces 113 with coolant sprayed and cooled down to the second process temperature.
- each of the sections 101A, 101B and 101C has a separate housing 105A, 105B and 105C, respectively; only the bottom 105a of the system is connected.
- a reflective coating 117 is provided, which largely reflects the heat radiation of the workpiece 113 coming out of the first processing section 101A and thus the adjustment of the compensation temperature TX * without any additional heating (in contrast to the system 1 of FIG. 1 also without control heating).
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electromagnetism (AREA)
- Tunnel Furnaces (AREA)
- Coating Apparatus (AREA)
- Furnace Details (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2008360848A AU2008360848A1 (en) | 2008-08-20 | 2008-08-20 | Plant for thermal processing processes |
CN2008801308313A CN102132121A (zh) | 2008-08-20 | 2008-08-20 | 用于热加工处理的设备 |
JP2011523307A JP2012500377A (ja) | 2008-08-20 | 2008-08-20 | 熱処理プラント |
KR1020117006234A KR20110042237A (ko) | 2008-08-20 | 2008-08-20 | 열처리 공정용 장치 |
PCT/EP2008/006855 WO2010020266A1 (de) | 2008-08-20 | 2008-08-20 | Anlage für thermische bearbeitungsprozesse |
EP08801636A EP2313726A1 (de) | 2008-08-20 | 2008-08-20 | Anlage für thermische bearbeitungsprozesse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2008/006855 WO2010020266A1 (de) | 2008-08-20 | 2008-08-20 | Anlage für thermische bearbeitungsprozesse |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010020266A1 true WO2010020266A1 (de) | 2010-02-25 |
Family
ID=40535615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/006855 WO2010020266A1 (de) | 2008-08-20 | 2008-08-20 | Anlage für thermische bearbeitungsprozesse |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2313726A1 (de) |
JP (1) | JP2012500377A (de) |
KR (1) | KR20110042237A (de) |
CN (1) | CN102132121A (de) |
AU (1) | AU2008360848A1 (de) |
WO (1) | WO2010020266A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018103141A1 (de) * | 2018-02-13 | 2019-08-14 | GEDIA Gebrüder Dingerkus GmbH | Vorrichtung zur Herstellung eines Metallbauteiles |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150211084A1 (en) * | 2012-03-29 | 2015-07-30 | Aisin Takaoka Co., Ltd. | Metal processing method and metal product processed thereby |
US9945610B2 (en) * | 2012-10-19 | 2018-04-17 | Nike, Inc. | Energy efficient infrared oven |
JP5931769B2 (ja) | 2013-02-01 | 2016-06-08 | アイシン高丘株式会社 | 赤外炉及び赤外線加熱方法 |
EP2977182A1 (de) * | 2014-07-23 | 2016-01-27 | Sidel Participations | Elektromagnetisches Verarbeitungsmodul mit wärmeregulierten Verfeinerungselementen |
DE102016121699A1 (de) * | 2016-11-11 | 2018-05-17 | Schwartz Gmbh | Temperierstation zur partiellen Wärmebehandlung eines metallischen Bauteils |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10208216C1 (de) * | 2002-02-26 | 2003-03-27 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines metallischen Bauteils |
DE102006037555B3 (de) * | 2006-08-10 | 2007-08-16 | Advanced Photonics Technologies Ag | Ofenanlage für thermische Bearbeitungsprozesse |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2068511U (zh) * | 1990-06-14 | 1991-01-02 | 中国科学院金属研究所 | 一种用于热处理的远红外炉 |
CN2286853Y (zh) * | 1996-08-27 | 1998-07-29 | 李达安 | 光辐射电炉 |
-
2008
- 2008-08-20 AU AU2008360848A patent/AU2008360848A1/en not_active Abandoned
- 2008-08-20 WO PCT/EP2008/006855 patent/WO2010020266A1/de active Application Filing
- 2008-08-20 EP EP08801636A patent/EP2313726A1/de not_active Withdrawn
- 2008-08-20 JP JP2011523307A patent/JP2012500377A/ja not_active Withdrawn
- 2008-08-20 CN CN2008801308313A patent/CN102132121A/zh active Pending
- 2008-08-20 KR KR1020117006234A patent/KR20110042237A/ko not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10208216C1 (de) * | 2002-02-26 | 2003-03-27 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines metallischen Bauteils |
DE102006037555B3 (de) * | 2006-08-10 | 2007-08-16 | Advanced Photonics Technologies Ag | Ofenanlage für thermische Bearbeitungsprozesse |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018103141A1 (de) * | 2018-02-13 | 2019-08-14 | GEDIA Gebrüder Dingerkus GmbH | Vorrichtung zur Herstellung eines Metallbauteiles |
Also Published As
Publication number | Publication date |
---|---|
JP2012500377A (ja) | 2012-01-05 |
EP2313726A1 (de) | 2011-04-27 |
KR20110042237A (ko) | 2011-04-25 |
CN102132121A (zh) | 2011-07-20 |
AU2008360848A1 (en) | 2010-02-25 |
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