WO2014131069A1 - Haltevorrichtung für heizelement und heizer - Google Patents
Haltevorrichtung für heizelement und heizer Download PDFInfo
- Publication number
- WO2014131069A1 WO2014131069A1 PCT/AT2014/000039 AT2014000039W WO2014131069A1 WO 2014131069 A1 WO2014131069 A1 WO 2014131069A1 AT 2014000039 W AT2014000039 W AT 2014000039W WO 2014131069 A1 WO2014131069 A1 WO 2014131069A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- holding
- holding device
- heating element
- holding element
- heater
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 32
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 10
- 239000000956 alloy Substances 0.000 claims abstract description 10
- 239000003870 refractory metal Substances 0.000 claims abstract description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 17
- 229910052721 tungsten Inorganic materials 0.000 claims description 17
- 239000010937 tungsten Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011343 solid material Substances 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
Classifications
-
- 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
- F27D99/0006—Electric heating elements or system
-
- 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
-
- 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
- F27D11/02—Ohmic resistance heating
-
- 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
- F27D11/08—Heating by electric discharge, e.g. arc discharge
- F27D11/10—Disposition of electrodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
- H05B3/08—Heater elements structurally combined with coupling elements or holders having electric connections specially adapted for high temperatures
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/62—Heating elements specially adapted for furnaces
- H05B3/66—Supports or mountings for heaters on or in the wall or roof
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D2001/0079—Means to assemble at least two parts of a furnace or of any device or accessory associated to its use
-
- 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
- F27D99/0006—Electric heating elements or system
- F27D2099/0008—Resistor heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/016—Heaters using particular connecting means
Definitions
- the invention relates to a holding device for a heating element and a heater with at least one such holding device, in particular a tungsten heater.
- CN 2896172 U discloses a heater for a high temperature furnace for sintering tungsten or molybdenum.
- the heater is cylindrical and has a plurality of heating elements in the form of hanging nets.
- the nets are each secured by means of a holding device in the oven.
- the holding device is made of a folded sheet metal, which engages around the upper end of the networks in Y-shape. Between the ends of the folded sheet metal another sheet is arranged, which is riveted to the ends of the folded sheet metal.
- a holding device for a heating element for example for use in a tungsten heater.
- the holding device is made of a refractory metal or of a refractory metal-based alloy, so that it withstands high temperatures or remains dimensionally stable even at high temperatures. Reference is made to metals or alloys having a refractory metal or a refractory metal alloy which has a melting point greater than or equal to 1772 ° C (equivalent to the melting point of platinum).
- the holding device has at least two holding elements, which are arranged perpendicular or substantially perpendicular to each other.
- a heating element in the form of a network or braid can be fastened or held on a holding element, and by means of the further holding element, the holding device (with the heating element) in a furnace chamber fixable. That is, by means of the holding device, a heating element can be held or fastened in a furnace chamber.
- the two holding elements are connected to one another, one of the two holding elements having an opening or a (through) hole, in which at least one part of the other holding element is arranged or
- the opening (four) is angular or round, depending on the configuration of the inserted into the opening part of the holding element.
- a simple and stable connection is provided at the location of mechanical stress (i.e., at the location of connection of the two retaining elements).
- solid material with larger cross sections are used so that a stable holding device is provided which is simple and quick to produce.
- a first holding element is at least partially disposed in an opening of a second holding element, wherein the first holding element is connected to the second holding element by means of deformation. That the two holding elements are at a
- the first holding element is inserted into the opening of the second holding element, so that it protrudes on the opposite side of the second holding element.
- the protruding part becomes e.g. Cold formed by tumbling, so that the two holding elements are securely connected together.
- Welding process can occur at the site of the weld micro-cracks and microstructural embrittlement.
- first and the second holding element are not welded together.
- the holding device is current-conducting, so that it can additionally be used as a power connection for a heating element which can be fastened to the holding device.
- at least one of the holding elements is integrally formed or made of a solid material, ie not of a metal sheet.
- at least one retaining element is designed as a rod, square or polygonal profile.
- the holding device can be fastened to the first holding element in an oven chamber, e.g. by means of screws or a clamping connection between the first holding element and the furnace chamber. That For example, if a heating element is attached to the holding device (or the second holding element) in a suspended manner, such as e.g. a tungsten mesh or sheet, then the entire weight of the holding device and the heating element depends on the first holding element. Alternatively, a heating element - e.g. in the form of a metal sheet - standing on the holding device, the weight of the
- Holding device and the heating element also acts on the first holding element.
- the holding device has a third holding element, which is fastened to the second holding element, i. when using the holding device, a heating element such as e.g. a tungsten mesh attached to the third holding element, for example, welded to the third holding element.
- a heating element such as e.g. a tungsten mesh attached to the third holding element, for example, welded to the third holding element.
- the first and second retaining element can be made regardless of the dimensions of the heating element used. That According to the 'modular principle' 5 can be made in a manufacturing step, a plurality of identical units consisting of the first and second holding element, which are then adapted by attaching the appropriately sized or designed third holding element to the appropriate application or to the corresponding heating element can.
- the third holding member may be adapted to a cylindrical or rectangular oven space, i. the third holding element can
- the second and third retaining element are connected to each other by means of at least one positive and / or non-positive connection means, for example by means of rivets or screws.
- the second and third retaining element are not materially connected to each other, for example, not 5 welded together. That is, by a connection, for example by means of rivets, the above-described disadvantages of welding are avoided.
- the holding device or the first, second and third
- Holding element made of tungsten or a tungsten-based alloy formed.
- Tungsten-based alloy is an alloy containing> 50% by weight
- the tungsten-based alloy has a tungsten content of> 90% by weight.
- the connection of the holding elements as described above is particularly advantageous in this embodiment because tungsten is prone to embrittlement and is therefore difficult to connect5 by conventional bonding technologies (such as welding).
- a heater for example a tungsten heater, with at least one holding device as described above and below, wherein the at least one holding device with at least one heating element current conducting
- Fig. 2 is an exploded view of the holding device of Fig. La-b, and
- FIG. 3a-c are side views and a top view of the holding device of Fig. La-b. 1a-b show perspective views of a holding device 2 according to a preferred embodiment.
- the holding device 2 is made of a first, second and third
- Holding element 4, 6, 8 formed, which are connected to each other and from a
- the holding device 2 is electrically conductive and is used to power one (or more) heating elements 18 which are connected to the
- Holding device 2 (hanging) can be attached.
- the heating element 18 shown schematically in FIG. 1 a is formed, for example, from a tungsten mesh, a metal sheet or a multiplicity of (vertically extending) wires.
- the holding device 2 When using the holding device 2, the holding device in a furnace chamber (not shown) attached by attaching the first holding member 4 and the support, for example by means of a clamp connection or by means of screws in the furnace chamber. That After mounting, the holding device 2 or the heating element 18 is arranged hanging (on the first holding element 4) in the oven chamber. On the third holding element 8, the heating element 18, for example by means of a clamping connection and / or
- Fig. 2 shows an exploded view of the holding device 2 of Fig. 1, to illustrate the connection of the three holding elements 4, 6, 8.
- the holding elements 4, 6, 8 are made of solid material or are not produced by bending of sheets. The first
- Retaining element 4 has at one end a pin 12 which is inserted into a correspondingly formed opening 10 of the second holding element 6. Subsequently, the pin 12 is formed by cold working, e.g. Tumbling, reshaped, so that the first and second retaining element 4, 6 are securely connected to each other.
- Retaining element 8 by means of four rivets 16 a-d connected to the second retaining element 6. That is, in this embodiment of the holding device 2, a welding of the individual elements is not necessary, so that the disadvantages of welding (micro-cracking, microstructure embrittlement) can be avoided.
- two bevels 14a-b can optionally be arranged, which are adjacent to the second holding element 6 after being plugged together. The chamfers 14a-b may receive a weld to facilitate the connection between the two
- Holding elements 4, 6 additionally secure, wherein the location of the weld outside or substantially outside the location of the mechanical stress in the use of the holding device. That the weld or seams are sufficiently spaced from the connection (opening 10 / pin 12) between the first and second retaining elements so that the welding has no negative influence on the connection.
- FIGS. 3a-c show side views and a top view of those described above
- the exemplary holding device 2 is designed for use in a cylindrical oven chamber, in particular three of the illustrated holding devices 2 are required in order to heat by means of the corresponding heating elements 18, a cylindrical oven space. This is at least the third
- Holding element 8 and the Schuelement made of a bent sheet metal, whose curvature is adapted to the dimensions of the furnace chamber.
- a furnace chamber can have any cross-section, for example rectangular, oval, etc.
- the third retaining element 8 can be adapted to the different dimensions of the furnace chamber or of the heating elements. That In the manufacture of the holding device, units consisting of the first and second holding element can be produced, for example, in advance. Only with the attachment of the correspondingly dimensioned third holding element, the holding device is adapted to the corresponding dimensions of a furnace chamber or a heating element, i. For example, the third holding element has a specific curvature and a certain length. Since the third holding member 8 in a simple and fast way means
- Rivets 16a-d can be connected to the second holding element 6, can be adapted in this way after the 'modular principle' holding devices 2 quickly and easily to the particular application.
- the holding device is made only of a first and second holding element, wherein the second holding element is formed or has corresponding dimensions, to attach a heating element 18 thereto.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Resistance Heating (AREA)
- Furnace Details (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015559392A JP2016515283A (ja) | 2013-03-01 | 2014-02-27 | ヒーターエレメント用保持装置及びヒーター |
US14/771,268 US10107552B2 (en) | 2013-03-01 | 2014-02-27 | Holding device for a heating element, and heater |
CN201480011268.3A CN105008838B (zh) | 2013-03-01 | 2014-02-27 | 用于加热部件的固持装置及加热器 |
EP14714913.2A EP2962051B1 (de) | 2013-03-01 | 2014-02-27 | Haltevorrichtung für heizelement und heizer |
PL14714913T PL2962051T3 (pl) | 2013-03-01 | 2014-02-27 | Urządzenie mocujące dla elementu grzewczego oraz grzejnik |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATGM70/2013U AT13671U1 (de) | 2013-03-01 | 2013-03-01 | Haltevorrichtung für Heizelement und Heizer |
ATGM70/2013 | 2013-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014131069A1 true WO2014131069A1 (de) | 2014-09-04 |
Family
ID=50885092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2014/000039 WO2014131069A1 (de) | 2013-03-01 | 2014-02-27 | Haltevorrichtung für heizelement und heizer |
Country Status (8)
Country | Link |
---|---|
US (1) | US10107552B2 (de) |
EP (1) | EP2962051B1 (de) |
JP (1) | JP2016515283A (de) |
CN (1) | CN105008838B (de) |
AT (1) | AT13671U1 (de) |
PL (1) | PL2962051T3 (de) |
TW (1) | TWI652441B (de) |
WO (1) | WO2014131069A1 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2826541A1 (fr) * | 2001-06-21 | 2002-12-27 | Centre Nat Rech Scient | Perfectionnements a la structure d'un four a resistance graphite |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB943128A (en) * | 1961-08-24 | 1963-11-27 | Frost & Co Ltd H | Improvements relating to mountings for electric fire heating elements |
US3855453A (en) * | 1969-06-25 | 1974-12-17 | Allied Chem | Apparatus for controlled quenching of melt extruded filaments |
US4015105A (en) * | 1973-12-03 | 1977-03-29 | Bjorksten Research Laboratories, Inc. | Panel electrical heating element |
US4021769A (en) * | 1976-03-18 | 1977-05-03 | Gte Sylvania Incorporated | Electrical heating element |
US4259538A (en) * | 1980-01-31 | 1981-03-31 | Jones William R | Vacuum furnace arrangement having an improved heating element mounting means |
US4392052A (en) * | 1981-04-03 | 1983-07-05 | Bulten-Kanthal Ab | Device for carrying electrical resistance elements |
DE3242959C2 (de) | 1981-11-20 | 1986-02-20 | Kabushiki Kaisha Kobe Seiko Sho, Kobe | Isostatische Heißpreßvorrichtung |
US4755658A (en) | 1985-11-12 | 1988-07-05 | Ultra Carbon Corporation | Segmented heater system |
US4856022A (en) | 1988-10-05 | 1989-08-08 | Jones William R | Graphite hot zone assembly |
US5157242A (en) | 1990-10-29 | 1992-10-20 | Hetherington, Inc. | Hanging heating element for high temperature furnace |
JPH07288178A (ja) * | 1994-04-15 | 1995-10-31 | Toyo Tanso Kk | 炭素質材料からなる導電性構造体及びその取付け方法 |
US5575582A (en) | 1995-01-18 | 1996-11-19 | Ucar Carbon Technology Corporation | Fastening device for securing electrode joints |
JP4026759B2 (ja) | 2002-11-18 | 2007-12-26 | 日本碍子株式会社 | 加熱装置 |
JP3982471B2 (ja) * | 2003-09-10 | 2007-09-26 | 株式会社デンソー | 電気式ヒータ |
US7299699B2 (en) * | 2004-10-05 | 2007-11-27 | Endress + Hauser Flowtec Ag | Composite system, method for its manufacture, and measurement pickup using such a composite system |
CN2896172Y (zh) | 2006-04-26 | 2007-05-02 | 苏州先端稀有金属有限公司 | 加热器 |
WO2010033108A1 (en) | 2008-09-16 | 2010-03-25 | Alcoa Inc. | Sidewall and bottom electrode arrangement for electrical smelting reactors and method for feeding such electrodes |
WO2013123319A1 (en) * | 2012-02-17 | 2013-08-22 | Bloom Energy Corporation | Methods and systems for fuel cell stack sintering and conditioning |
CN202514099U (zh) | 2012-03-30 | 2012-10-31 | 中国有色金属工业第十四冶金建设公司 | 一种单级电弧熔炼炉的电极夹紧装置 |
-
2013
- 2013-03-01 AT ATGM70/2013U patent/AT13671U1/de not_active IP Right Cessation
-
2014
- 2014-02-19 TW TW103105454A patent/TWI652441B/zh not_active IP Right Cessation
- 2014-02-27 US US14/771,268 patent/US10107552B2/en active Active
- 2014-02-27 JP JP2015559392A patent/JP2016515283A/ja active Pending
- 2014-02-27 CN CN201480011268.3A patent/CN105008838B/zh active Active
- 2014-02-27 WO PCT/AT2014/000039 patent/WO2014131069A1/de active Application Filing
- 2014-02-27 EP EP14714913.2A patent/EP2962051B1/de active Active
- 2014-02-27 PL PL14714913T patent/PL2962051T3/pl unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2826541A1 (fr) * | 2001-06-21 | 2002-12-27 | Centre Nat Rech Scient | Perfectionnements a la structure d'un four a resistance graphite |
Also Published As
Publication number | Publication date |
---|---|
AT13671U1 (de) | 2014-06-15 |
US20160018163A1 (en) | 2016-01-21 |
JP2016515283A (ja) | 2016-05-26 |
TWI652441B (zh) | 2019-03-01 |
CN105008838A (zh) | 2015-10-28 |
PL2962051T3 (pl) | 2018-06-29 |
CN105008838B (zh) | 2019-01-18 |
EP2962051B1 (de) | 2018-01-17 |
TW201437586A (zh) | 2014-10-01 |
EP2962051A1 (de) | 2016-01-06 |
US10107552B2 (en) | 2018-10-23 |
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