WO2012076159A1 - Accessoire d'enfournement - Google Patents

Accessoire d'enfournement Download PDF

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Publication number
WO2012076159A1
WO2012076159A1 PCT/EP2011/006115 EP2011006115W WO2012076159A1 WO 2012076159 A1 WO2012076159 A1 WO 2012076159A1 EP 2011006115 W EP2011006115 W EP 2011006115W WO 2012076159 A1 WO2012076159 A1 WO 2012076159A1
Authority
WO
WIPO (PCT)
Prior art keywords
kiln
profiles
kiln furniture
furniture according
transverse
Prior art date
Application number
PCT/EP2011/006115
Other languages
German (de)
English (en)
Inventor
Detlef Brands
Original Assignee
Schunk Ingenieurkeramik 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 Schunk Ingenieurkeramik Gmbh filed Critical Schunk Ingenieurkeramik Gmbh
Publication of WO2012076159A1 publication Critical patent/WO2012076159A1/fr

Links

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
    • F27D5/00—Supports, screens, or the like for the charge within the furnace
    • F27D5/0006—Composite supporting structures
    • F27D5/0012—Modules of the sagger or setter type; Supports built up from them
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0021—Charging; Discharging; Manipulation of charge of ceramic ware

Definitions

  • the invention relates to a kiln furniture for receiving firing material for firing ceramic articles in a furnace according to the preamble of claim 1.
  • a kiln furniture in the form of a setting rack for receiving kiln material during a kiln firing which comprises a number of bars which are fixed in the manner of a grate for bearing the kiln over at least two bars spaced from each other.
  • the setting frame can make do with a comparatively low mass as a stable base for the kiln
  • at least two bars each form a plug-in strip with a number of plug-in openings for the bars.
  • the insertion openings are passage openings through which the rods can be inserted transversely to the longitudinal direction of the bolt.
  • a setting frame with bars is also known, in which the bars are fixed in the manner of a grate spaced apart from each other by two bars.
  • the bars have through openings into which the bar ends are inserted.
  • cassettes As kiln furniture.
  • the respective blanks are placed on the cassettes for the fire.
  • the cassettes with the blanks are stacked and placed in an oven.
  • the cassette is made of a material having high heat resistance, i. z. B. made of a chamotte or ceramic material, for example of a magnesium-aluminum ceramic (eg cordierite).
  • the cassette is H-shaped and consists essentially of a central, for example plate-shaped and rectangular in plan view part, and two integrally formed on the opposite narrow sides of the central part webs.
  • As a support for the blank two support pieces or support strips are provided at the top of the middle part of the cassette, which are also made of a material having high heat resistance. By the support pieces / support strips ensures that the bearing surfaces for the respective blanks are low.
  • the disadvantage is that the systems formed on the cassettes must fit the blanks and also pollute over time. It is therefore intended to form the systems exchangeable en the respective cassette.
  • the object of the invention is therefore to provide a kiln furniture whose thermal mass and its degree of flexibilization are better optimized.
  • a kiln furniture is created, the structural design allows a multi-functional use as a support for kiln or blanks. A high degree of flexibility in the use of kiln furniture is thus guaranteed.
  • the profiles according to the invention form a support frame with integrable transverse bars.
  • the kiln furniture is skeletal buildable with crossbars, the cross bars are detachably positioned, where a respective burning blank needs support points. The positioning is effected by a positive guidance of the transverse rod ends towards predetermined locking recesses whose spatial position can be adjusted by specifications.
  • the profiles have preferably individually arranged recesses as latching depressions in which the transverse rods, on which the kiln or blanks are supported, are positioned.
  • the detent depressions branch off from a longitudinal slot.
  • the course of the longitudinal slot determines an arrangement pattern of the detent recesses, since the longitudinal slot forms the feed to the various detent recesses.
  • the latching depressions can branch off on one, two and / or end of the longitudinal slot.
  • the respective longitudinal slot can extend rectilinearly or arcuately and forms for one end of a transverse bar a positive guidance to the locking recesses connected to the longitudinal slot.
  • the longitudinal slot has a lateral inlet groove for insertion of one end of the transverse rods in the longitudinal slot.
  • transverse bars For the respective product range of the customer to be burned, a selectable introduction of transverse bars can take place, for which purpose preferably only one determinable selection of recesses is occupied by transverse bars by a preset plurality of openings.
  • the support points are provided by the individual introduction of transverse rods, which form a support geometry.
  • the cross bars can be arranged in different recesses. The arrangement of the cross bars can be changed. With simple geometries of the arrangement of the cross bars, a minimal but adequate support of the burning goods can be achieved. Such a structure reduces possible flames on the burning Goods, especially roof tiles, and thus has a positive impact on the quality of the fuel.
  • the kiln furniture according to the invention optimizes the thermal mass, since only those cross bars need to be used, which are required to support a particular fuel. This results in lower energy costs compared to known kiln furniture. Furthermore, the production costs are low. Extruded profiles can also be used as profiles.
  • the profiles have a repeat sequence of recesses, wherein each repeat is characterized by the arrangement of a series of transverse bars, which is required to support a kiln.
  • a sequence of transverse bars forms an adapter for supporting a combustible material.
  • a number of adapters corresponding to a number of blanks to be fired are preferably arranged one behind the other.
  • the kiln furniture can also be used as a stackable and / or rotatable cassette, since the logistical effort in a production change in the furnace is significantly reduced.
  • the kiln furniture consists of a ceramic, in particular a technical SiC ceramic, resulting in advantages in terms of production life and fatigue life. Lower thermal masses are possible due to the material as well as shape-related possible.
  • FIG. 1 shows schematically a perspective view of a kiln furniture
  • 2 shows schematically a top view of the kiln furniture according to FIG. 1
  • FIG. 3 shows a section BB according to FIG. 2
  • FIG. 1 shows schematically a perspective view of a kiln furniture
  • 2 shows schematically a top view of the kiln furniture according to FIG. 1
  • FIG. 3 shows a section BB according to FIG. 2
  • FIG. 4 shows a section A-A according to FIG. 2.
  • the invention relates to a kiln furniture 1 for receiving fuel for the burning of ceramic objects in an oven.
  • the kiln furniture 1 comprises at least two elongated profiles 2, 3 fixed parallel to one another, into which transverse bars 4 for releasable mechanical connection with the profiles 2, 3 can be inserted.
  • a plurality of transverse bars 4 are arranged along a selectable length of the profiles 2, 3, as shown in FIGS. 1 and 2. End of the profiles 2, 3 locking bolt 5, 6 are provided, which fix the profiles 2, 3 parallel to each other and at a distance.
  • the cross bars 4 form supports for the kiln.
  • the cross bars 4 are arranged distributed selectively in the longitudinal direction of the profiles 2, 3. Between the transverse bars 4 is virtually neutral area.
  • the profiles 2, 3 define by their length and height a positioning space 7 for the cross bars 4, in which the cross bars 4 can take preference layers.
  • the preferred layers preferably depend on the required support points per combustion blank, for example per roof tile format.
  • the number of preferred layers per firing blank, i. in particular, the number of transverse rods 4, and their respective spatial position in the positioning 7 is adjustable.
  • the elongated profiles 2, 3 each have at least one axially extending longitudinal slot 8 with locking recesses 9 for releasably generating and maintaining preferred positions of the transverse rods 4.
  • At the respective longitudinal slot 8 at least one opening for insertion of transverse bars 4 is further formed. This opening is preferably formed by an attached to the longitudinal slot 8 transverse slot 10.
  • the at least one transverse slot 10 is preferably attached at right angles to the longitudinal slot 8 and forms an insertion.
  • the cross bars 4 can be used with their ends on the aligned transverse slots 10 of the profiles 2, 3 on both sides in longitudinal slots 8 and inserted and positioned there by moving and occupying a predetermined locking recess 9.
  • detent recesses 9 The releasable mechanical connection of a respective cross bar 4 thus takes place via a plug-slide-latching movement in one of a plurality of detent recesses 9 selected detent recess 9.
  • the assignment of detent recesses 9 with transverse bars 4 takes place depending on the size and shape of the fuel.
  • the respective transverse slot 10 is formed like a funnel with an inlet opening on the head side of the profiles 2, 3.
  • the insertion / insertion of the cross bars 4 takes place by lateral introduction of the ends of the cross bars 4.
  • the cross bars 4 are therefore not plugged in from the front.
  • the assembly of transverse bars 4 is therefore easier and faster.
  • the guided on both sides in a longitudinal slot 8 cross bars 4 are on the longitudinal slot 8, the locking recesses 9, which are to be occupied with cross bars 4, respectively.
  • the cross bars 4 have diameters to which the detent recesses 9 are adapted for a preferably partial fit.
  • the cross bars 4 can also be secured in locking recesses, for example by springs.
  • the locking recesses are formed here as indentations or recesses, which are arranged on different contour lines. A height optimization of the support for firing is possible.
  • a larger number of latching recesses 9 are formed along a longitudinal slot 8 than is usually necessary for a support of a combustion blank.
  • the number and the spatial arrangement of the locking recesses 9 depends on the desired level of flexibility.
  • the at least two profiles 2, 3 each have, for example, a number of longitudinal slots 8 arranged one behind the other.
  • longitudinal slot modules 11 can be formed, which can each be formed with identically or differently positioned latching depressions 9.
  • These modules 11 are each formed with a longitudinal slot 8 and locking recesses 9 and as interchangeable items in the respective profile 2, 3 inserted.
  • adapters for a particular kiln with preferred layers for the cross bars 4 are optionally introduced into the profiles 2, 3.
  • the profiles 2, 3 and the transverse rods 4 of the kiln furniture preferably consist of a ceramic.
  • the ceramic is preferably a SiC ceramic.
  • the following materials can also be used as materials for the kiln furniture: silicon-infiltrated, reaction-bonded SiC (RBSiC); siliconized, recrystallized SiC (SiSiC); recrystallized SiC (RSiC); silicon nitride bonded SiC (NSiC); pressureless sintered SiC (SSiC); liquid phase sintered SiC (SSiC); Silica-bound SiC.
  • Suitable alternative materials are: mullite-bound Al 2 O 3; Corundum; sillimanite; Al2O3; Zircon silicate; Cordierite / mullite.
  • the profiles 2, 3 are preferably formed as C-profiles.
  • the transverse rods 4 are preferably solid rods, in particular round rods. Mass-optimized struts are selectable, in conjunction with a stable plug-in system.
  • the at least two profiles 2, 3 with releasably inserted cross bars 4 can form a stackable cassette for kiln. It also large cassettes or large frames for the burning of large-size burn blanks can be formed.
  • stacking surfaces 5, 6 may be formed on the locking bolts 5, 6.
  • the kiln furniture according to the invention also allows a higher loading, since the combustion blanks can be placed closer to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

L'invention concerne un accessoire d'enfournement destiné à recevoir un combustible pour la cuisson d'objets céramiques dans un four, ledit accessoire comportant au moins deux profilés (2, 3) longitudinaux fixés à distance parallèlement l'un par rapport à l'autre, dans lesquels des barres transversales (4) peuvent être introduites, en tant que supports pour combustible, afin d'être reliées mécaniquement de manière séparable aux profilés (2, 3). Les profilés longitudinaux (2, 3) comportent respectivement une fente longitudinale (8) s'étendant axialement munie d'encoches d'encliquetage (9) permettant de générer et d'obtenir de manière réversible des positions préférées des barres transversales (4), au moins une fente transversale (10) permettant l'insertion de barres transversales (4) étant formée sur la fente longitudinale (8).
PCT/EP2011/006115 2010-12-11 2011-12-07 Accessoire d'enfournement WO2012076159A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010054205 DE102010054205B4 (de) 2010-12-11 2010-12-11 Brennhilfsmittel
DE102010054205.9 2010-12-11

Publications (1)

Publication Number Publication Date
WO2012076159A1 true WO2012076159A1 (fr) 2012-06-14

Family

ID=45390058

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/006115 WO2012076159A1 (fr) 2010-12-11 2011-12-07 Accessoire d'enfournement

Country Status (2)

Country Link
DE (1) DE102010054205B4 (fr)
WO (1) WO2012076159A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016010228A1 (de) 2016-08-26 2018-03-01 Schunk Ingenieurkeramik Gmbh Brennhilfsmittel

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422984A1 (de) * 1984-06-22 1986-01-02 Karl Dieter 6650 Homburg Kehl Tragprofil aus feuerfestem keramikwerkstoff fuer tragplatten und seine verwendung in der keramischen industrie
DE8802597U1 (de) * 1988-02-27 1988-06-01 Dannenberger Vorrichtungsbau -Davo- Stellamanns, Grönwoldt, 3138 Dannenberg Trägergestell für eine Mehrzahl kleinerer Teile
DE9114415U1 (de) * 1991-11-19 1992-01-30 Bohn, Paul, Dipl.-Ing., 8500 Nürnberg Rohrförmiges oder rohrabschnittförmiges Bauelement für Industrieöfen
DE29906393U1 (de) 1999-04-03 1999-09-23 Bayerische Dachziegelwerke Bog Kassette
EP0965809A1 (fr) * 1998-06-19 1999-12-22 Ceric Dispositif pour le support de produits dans les fours de cuisson
US6644966B1 (en) 2002-07-03 2003-11-11 Bell New Ceramics Co., Ltd. Carriage for supporting objects to be heated by kiln
DE10312802B3 (de) * 2003-03-21 2004-07-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Werkstückträger zum Wärmebehandeln von Werkstücken
FR2853960A3 (fr) * 2003-03-31 2004-10-22 Saint Gobain Ind Keramik Roden Dispositif pour l'empilage et le transport de matieres a cuire
DE102005003501A1 (de) * 2005-01-25 2006-07-27 Saint-Gobain Industriekeramik Rödental GmbH Brennguttragevorrichtung mit definiertem Ausgleich von Wärmedehnungen
EP1870653B1 (fr) 2006-06-23 2009-07-29 Schunk Ingenieurkeramik GmbH Support de montage destiné à la réception de produit à brûler d'un feu de four

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3422984A1 (de) * 1984-06-22 1986-01-02 Karl Dieter 6650 Homburg Kehl Tragprofil aus feuerfestem keramikwerkstoff fuer tragplatten und seine verwendung in der keramischen industrie
DE8802597U1 (de) * 1988-02-27 1988-06-01 Dannenberger Vorrichtungsbau -Davo- Stellamanns, Grönwoldt, 3138 Dannenberg Trägergestell für eine Mehrzahl kleinerer Teile
DE9114415U1 (de) * 1991-11-19 1992-01-30 Bohn, Paul, Dipl.-Ing., 8500 Nürnberg Rohrförmiges oder rohrabschnittförmiges Bauelement für Industrieöfen
EP0965809A1 (fr) * 1998-06-19 1999-12-22 Ceric Dispositif pour le support de produits dans les fours de cuisson
DE29906393U1 (de) 1999-04-03 1999-09-23 Bayerische Dachziegelwerke Bog Kassette
US6644966B1 (en) 2002-07-03 2003-11-11 Bell New Ceramics Co., Ltd. Carriage for supporting objects to be heated by kiln
DE10312802B3 (de) * 2003-03-21 2004-07-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Werkstückträger zum Wärmebehandeln von Werkstücken
FR2853960A3 (fr) * 2003-03-31 2004-10-22 Saint Gobain Ind Keramik Roden Dispositif pour l'empilage et le transport de matieres a cuire
DE102005003501A1 (de) * 2005-01-25 2006-07-27 Saint-Gobain Industriekeramik Rödental GmbH Brennguttragevorrichtung mit definiertem Ausgleich von Wärmedehnungen
EP1870653B1 (fr) 2006-06-23 2009-07-29 Schunk Ingenieurkeramik GmbH Support de montage destiné à la réception de produit à brûler d'un feu de four

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016010228A1 (de) 2016-08-26 2018-03-01 Schunk Ingenieurkeramik Gmbh Brennhilfsmittel

Also Published As

Publication number Publication date
DE102010054205B4 (de) 2012-08-09
DE102010054205A1 (de) 2012-06-14

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