EP0086693A1 - Dichtungseinrichtung für einen Tunnelofen, Wagen und Tunnelofen für diese Dichtungseinrichtung - Google Patents

Dichtungseinrichtung für einen Tunnelofen, Wagen und Tunnelofen für diese Dichtungseinrichtung Download PDF

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Publication number
EP0086693A1
EP0086693A1 EP83400231A EP83400231A EP0086693A1 EP 0086693 A1 EP0086693 A1 EP 0086693A1 EP 83400231 A EP83400231 A EP 83400231A EP 83400231 A EP83400231 A EP 83400231A EP 0086693 A1 EP0086693 A1 EP 0086693A1
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EP
European Patent Office
Prior art keywords
wagon
oven
wagons
pit
frame
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.)
Granted
Application number
EP83400231A
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English (en)
French (fr)
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EP0086693B1 (de
Inventor
Michel Hartmann
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.)
Entreprise Hartmann Pere & Fils
Original Assignee
Entreprise Hartmann Pere & Fils
Entreprise Hartmann Pere & Fils
Hartmann Pere & Fils
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Application filed by Entreprise Hartmann Pere & Fils, Entreprise Hartmann Pere & Fils, Hartmann Pere & Fils filed Critical Entreprise Hartmann Pere & Fils
Publication of EP0086693A1 publication Critical patent/EP0086693A1/de
Application granted granted Critical
Publication of EP0086693B1 publication Critical patent/EP0086693B1/de
Expired legal-status Critical Current

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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
    • F27D99/0073—Seals
    • F27D99/0076—Furnace car seals, i.e. seals used in continuous furnaces or kilns for preventing gas or heat exchange between heating chamber and the area comprising driving means

Definitions

  • the present invention relates to a sealing device for tunnel oven, and more particularly relates to a sealing device for sealing the underside (or bottom) of the baking or drying chamber of the tunnel oven, as well as the wagons and tunnel ovens arranged so as to allow these sealing devices to be obtained.
  • tunnel ovens which are frequently used, in particular in briquetteries and tileries, for baking or drying the products to be treated, such as bricks and tiles
  • these products are carried by wagons or carriages which form a train, and are successively put in the oven by being connected to the part of the train entering the rectilinear tunnel oven, at one of its ends, and by pushing the wagons already in the latter, until bringing out that of these wagons which is at the other end or taken out of the oven, the wagon taken out of the oven being unloaded and then brought back to the starting point, by a track parallel to the tunnel oven.
  • the invention relates to the sealing of the baking chamber of a tunnel oven at its underside, that is to say close to the ground. Indeed, as the wagons are carried by wheels, it is necessary that these can roll on a track without being subjected to too high a temperature.
  • the wagons themselves ensure the closure of most of the underside or bottom of the cooking chamber, but the seal must be ensured on the one hand between the side walls of the cooking chamber and the wagons and d on the other hand between the wagons themselves.
  • these cushions or seals are extended, on the side of each side wall of the tunnel oven, by a part, approximately of the same section, which descends, between the vertical edges facing the side sheet-metal spades of two consecutive wagons, up to the level of the sand or liquid in the gutters.
  • the sealing device for tunnel oven in particular for sealing the underside (or bottom) of the cooking or drying chamber of a tunnel oven, that at least one wagon of support for products to be treated ⁇ to be cooked or to be dried), but preferably several, forming a ream, is or are intended to pass through, each wagon comprising a frame having side walls, coming in position substantially parallel to the side walls watertight from the oven, which laterally delimit the cooking or drying chamber, when the wagon is in the tunnel oven, transverse walls, of which the car pushing members are secured to one another, and optionally, coupling, said frame being mounted on wheels allowing the wagon to move on a track passing through the tunnel oven, and itself carrying a tray, covered with refractory linings on which the products to be treated are arranged, and partly delimiting e the underside of the cooking or drying chamber, and spade sheets, extending in substantially vertical directions, are integral with the side walls of the frame and protrude below the latter, is characterized in that it also comprises sheets-spades integral with
  • a vent hole is provided in one of the side sheet metal spades of the continuous skirt of each wagon, above the maximum level reached by the liquid, during the passage of the wagon in the oven, to allow the pressure balance between the interior of the oven and the air chamber defined by the continuous skirt under the wagon.
  • the invention also relates to a tunnel oven, comprising a watertight vault resting on watertight substantially vertical side walls, and traversed right through by a track on which can be moved trainsets of wagons loaded with products to be treated in the oven, and is characterized in that a pit, formed in the oven, contains a heat-transfer liquid, the level of which is such that the lower edge of a continuous skirt, surrounding each wagon passing through the oven, is constantly immersed in this liquid , whatever the pressure differences between the central part of the oven and its end parts.
  • the tunnel oven according to the invention comprises an access ramp to the pit and an exit ramp from the pit, on which the track for the movement of wagons passing through the oven is extended, this track being for example a railway track. , whose rails extend to the bottom of the pit.
  • the subject of the invention is finally, a wagon intended to support products to be treated in a tunnel oven, said wagon comprising a frame, the side walls of which carry sheet-spades, extending in a substantially vertical direction and projecting below the frame, and the transverse walls of which carry the members for pushing the wagons together, and, optionally, the members for coupling the wagons to each other, the said frame being mounted on wheels, to allow the wagon to move. and itself carrying a tray, covered with refractory linings intended to receive the products to be treated and is characterized in that it also comprises sheets-spades extending in direction.
  • a vent hole is made, above the maximum level that can be reached by the liquid from the pit, in one of the sheet metal spades of the side walls of the wagon.
  • each wagon comprises a frame essentially consisting of two longitudinal members 1, in the form of longitudinal I-sections, supporting a rectangular horizontal plate 2, on which are insulated refractory linings, of any suitable known type. per se, which will not be described but simply identified, as a whole with the load of products to be cooked or dried which they carry, by the reference 3.
  • the longitudinal members 1 are also integral with two pairs of bearings 4 in each of which a wheel is mounted in rotation, to allow the wagon to move on a railway track made up of the rails 5.
  • the two wheels 6, located under the longitudinal member 1 on the left Figure 1 are wheels with two flanges, while the wheels 7 located under the other spar 1 are devoid of flange, since, when the wagon travels through the tunnel oven, its temperature varies, and it expands in all directions, especially transversely. As the wheels 7 do not have a flange, they can move laterally by rolling longitudinally on the corresponding rail 5, so that the latter does not incur undue lateral forces.
  • the latter comprises thrust members, for example thrust plates, for transmitting the thrust forces from one wagon to another, and possibly coupling members, all of these members secured to the frame, being shown diagrammatically at 8.
  • a vent hole 12 is drilled in the upper part of a sheet metal side spade 9 so to put in communication the chamber delimited under the plate 2 by the skirt of the sheets 9 and 10 with the volume delimited between the tunnel oven and the wagon.
  • the rails 5 extend over a horizontal lower wall 13 connected by two vertical walls 14 to two raised horizontal walls 15 so as to define a pit 16 of sufficient width to receive the wagons and containing a liquid coolant, which may be water or a suitable mineral oil.
  • the volume of liquid contained in the pit 16 is such that, for any position of the wagon in the tunnel oven, the lower edge 11 of the continuous skirt is constantly immersed in the liquid, whatever the level of the latter, which varies between a minimum level m and a maximum level M (see Figure 1) taking into account the pressure differences between the central, warmest part of the tunnel furnace and the end parts, in the vicinity of the inlet or from the exit of the tunnel oven.
  • the rails 5 of the track which crosses the tunnel oven at the bottom of the pit 16 with which the latter is equipped, are extended by inclined portions resting on a ramp inclined allowing, at the entrance of the oven, the descent of the wagons in the pit 16, and on an inclined ramp allowing, at the exit of the oven, the exit of the wagons from the pit 16. (These parts of the rails and the pit who have not been represented).
  • the pit 16 of the tunnel oven with its liquid as well as the rails 5, the wagons received in the oven, and even the other constituent elements of the oven are supported by a very robust supporting frame.
  • the watertight vault 26 of the tunnel oven also consisting of a supporting frame 27, made of corrugated sheet, and an insulating coating 28, is, for its part, supported by the side walls 23.
  • the invention is not limited to the embodiment which has just been described, but also extends to the achievements that can be obtained by adapting existing equipment, wagons and tunnel oven, by applying the technical measures specific to the invention to constitute a continuous hydraulic seal around each wagon, thanks to a continuous skirt worn by the wagon and constantly plunging into the liquid contained in a pit fitted in the oven, so as to prevent any circulation of air under the wagons.
  • a layer of suitable mineral oil can advantageously be poured onto the surface some water.
  • the heat transfer liquid can consist of a mixture or of a combination of several liquids of different nature.
  • the pit 16 of the tunnel oven can be voluntarily installed with a longitudinal slope and not horizontal. This slope can correspond to half of the difference in the liquid levels, between the maximum level and the minimum level, in service, so that the bottom of the pit is lowered in the part of the furnace where the highest pressures prevail, so as to increase the safety margin in the guard of liquid necessary for the preservation of the continuity of the hydraulic seal surrounding each wagon.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Tunnel Furnaces (AREA)
  • Treatment Of Fiber Materials (AREA)
EP83400231A 1982-02-12 1983-02-04 Dichtungseinrichtung für einen Tunnelofen, Wagen und Tunnelofen für diese Dichtungseinrichtung Expired EP0086693B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8202294A FR2521704A1 (fr) 1982-02-12 1982-02-12 Dispositif d'etancheite pour four-tunnel, et wagons et four-tunnel agences pour l'obtention de ce dispositif
FR8202294 1982-02-12

Publications (2)

Publication Number Publication Date
EP0086693A1 true EP0086693A1 (de) 1983-08-24
EP0086693B1 EP0086693B1 (de) 1986-06-25

Family

ID=9270919

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83400231A Expired EP0086693B1 (de) 1982-02-12 1983-02-04 Dichtungseinrichtung für einen Tunnelofen, Wagen und Tunnelofen für diese Dichtungseinrichtung

Country Status (5)

Country Link
US (1) US4504221A (de)
EP (1) EP0086693B1 (de)
DE (1) DE3364225D1 (de)
ES (1) ES8401614A1 (de)
FR (1) FR2521704A1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557965A1 (fr) * 1984-01-10 1985-07-12 Occidental Ind Sa Four a barres pour cuisson rapide en continu ou en intermittent des produits ceramiques
EP0227927A1 (de) * 1985-11-19 1987-07-08 Hans Lingl Anlagenbau und Verfahrenstechnik GmbH & Co. KG Tunnelofen mit Unterwagenkühlung
EP0237791A3 (en) * 1986-02-13 1987-10-21 Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co. Kg Process and device for the cooling of the pit beneath the cars in a tunnel kiln
US4778384A (en) * 1985-11-19 1988-10-18 Lingl Jr Hans Multitrain tunnel kiln especially adapted for the underside cooling of kiln cars
EP0314820A1 (de) * 1987-11-02 1989-05-10 Vogel & Noot Industrieanlagenbau Gesellschaft m.b.H. Vorrichtung zur Unterwagenkühlung von Ofenwagen in Tunnelöfen
DE9103904U1 (de) * 1991-03-30 1992-07-30 Keller GmbH, 4530 Ibbenbüren Stahlmantel-Tunnelofen
AT400871B (de) * 1994-04-11 1996-04-25 Schiedel Kaminwerke Gmbh Vorgefertigter kaminfuss
FR2976543A1 (fr) * 2011-06-15 2012-12-21 Ceritherm Chassis de wagon destine au transport de produits dans les fours

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2584805B1 (fr) * 1985-07-12 1989-07-13 Elect Meca Et Const Perfectionnement aux installations de sechage et de cuisson de produits ceramiques
US4718847A (en) * 1987-03-24 1988-01-12 Ian Manson Kiln system
ATE62738T1 (de) * 1987-08-04 1991-05-15 Lingl Anlagenbau Tunnelofen mit als zug durchlaufenden ofenwagen.
JPH0330799Y2 (de) * 1988-05-30 1991-06-28
CA2857839C (en) * 2006-09-29 2016-03-22 Fgf Brands Inc. System and method for preparing naan bread
GB2473411B (en) 2008-07-16 2012-06-20 Fgf Brands Inc Bottom access dollies for conveyor oven
WO2010006404A1 (en) 2008-07-16 2010-01-21 Fgf Brands Inc. Intermediate panel ceiling for conveyor oven
US20120204439A1 (en) * 2011-02-10 2012-08-16 Michael Kloepfer Heater for bulk load container vehicle
CN105274570B (zh) * 2015-11-04 2017-05-31 内蒙古风光源节能环保科技有限公司 一种先进的阴极炭块与钢棒预热装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1564935A (en) * 1925-01-15 1925-12-08 Wilson L Burley Traveling support for kilns
GB617486A (en) * 1945-10-03 1949-02-07 Bbc Brown Boveri & Cie Seal for tunnel kiln trucks
FR1440132A (fr) * 1965-04-16 1966-05-27 Entpr Hartmann Pere & Fils Perfectionnements aux wagonnets de fours ou de séchoirs
DE1261148B (de) * 1965-06-03 1968-02-15 Ofu Ofenbau Union Ges Mit Besc Dichtrinne an einem Industrieofen
DE1302954B (de) * 1962-01-26 1970-12-23
DE2737549A1 (de) * 1977-08-19 1979-03-01 Vgini I P Rabot Ogneupornoj Tunnelofen zum brennen von feuerfesten erzeugnissen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1105729A (en) * 1913-08-13 1914-08-04 Addison G Waterhouse Art of treating vegetable and mineral matter by heat.
US1698835A (en) * 1927-08-18 1929-01-15 Franklin S Weiser Seal for furnaces
FR934099A (fr) * 1945-10-03 1948-05-11 Bbc Brown Boveri & Cie Joint pour chariots de fours à tunnel
DE2249194C3 (de) * 1972-10-05 1975-07-24 Jurid Werke Gmbh, 2056 Glinde Vorrichtung zum Drucksintern plattenförmiger Teile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1564935A (en) * 1925-01-15 1925-12-08 Wilson L Burley Traveling support for kilns
GB617486A (en) * 1945-10-03 1949-02-07 Bbc Brown Boveri & Cie Seal for tunnel kiln trucks
DE1302954B (de) * 1962-01-26 1970-12-23
FR1440132A (fr) * 1965-04-16 1966-05-27 Entpr Hartmann Pere & Fils Perfectionnements aux wagonnets de fours ou de séchoirs
DE1261148B (de) * 1965-06-03 1968-02-15 Ofu Ofenbau Union Ges Mit Besc Dichtrinne an einem Industrieofen
DE2737549A1 (de) * 1977-08-19 1979-03-01 Vgini I P Rabot Ogneupornoj Tunnelofen zum brennen von feuerfesten erzeugnissen

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2557965A1 (fr) * 1984-01-10 1985-07-12 Occidental Ind Sa Four a barres pour cuisson rapide en continu ou en intermittent des produits ceramiques
EP0148804A1 (de) * 1984-01-10 1985-07-17 Occidental Industries Balkenofen zur schnellen kontinuierlichen oder diskontinuierlichen Erwärmung von keramischen Produkten
EP0227927A1 (de) * 1985-11-19 1987-07-08 Hans Lingl Anlagenbau und Verfahrenstechnik GmbH & Co. KG Tunnelofen mit Unterwagenkühlung
US4722682A (en) * 1985-11-19 1988-02-02 Lingl Corporation Method and apparatus for cooling the underside of a train of kiln cars in a tunnel kiln
US4778384A (en) * 1985-11-19 1988-10-18 Lingl Jr Hans Multitrain tunnel kiln especially adapted for the underside cooling of kiln cars
EP0237791A3 (en) * 1986-02-13 1987-10-21 Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co. Kg Process and device for the cooling of the pit beneath the cars in a tunnel kiln
US4744750A (en) * 1986-02-13 1988-05-17 Lingl Jr Hans Tunnel kiln system for cooling the underside of a train of kiln cars
DE3604501C1 (de) * 1986-02-13 1993-01-14 Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co Kg, 7910 Neu-Ulm Verfahren und Vorrichtung zur Unterwagenkuehlung von Ofenwagen in einem Tunnelofen
EP0314820A1 (de) * 1987-11-02 1989-05-10 Vogel & Noot Industrieanlagenbau Gesellschaft m.b.H. Vorrichtung zur Unterwagenkühlung von Ofenwagen in Tunnelöfen
DE9103904U1 (de) * 1991-03-30 1992-07-30 Keller GmbH, 4530 Ibbenbüren Stahlmantel-Tunnelofen
AT400871B (de) * 1994-04-11 1996-04-25 Schiedel Kaminwerke Gmbh Vorgefertigter kaminfuss
FR2976543A1 (fr) * 2011-06-15 2012-12-21 Ceritherm Chassis de wagon destine au transport de produits dans les fours

Also Published As

Publication number Publication date
DE3364225D1 (en) 1986-07-31
US4504221A (en) 1985-03-12
EP0086693B1 (de) 1986-06-25
ES519721A0 (es) 1983-12-01
FR2521704A1 (fr) 1983-08-19
FR2521704B1 (de) 1984-03-23
ES8401614A1 (es) 1983-12-01

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