EP2240735B1 - Verschluss mit einer schwellbaren aussenabdichtung und verschlusssystem damit für einen anschluss eines mehrkammerofens - Google Patents

Verschluss mit einer schwellbaren aussenabdichtung und verschlusssystem damit für einen anschluss eines mehrkammerofens Download PDF

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Publication number
EP2240735B1
EP2240735B1 EP09710608.2A EP09710608A EP2240735B1 EP 2240735 B1 EP2240735 B1 EP 2240735B1 EP 09710608 A EP09710608 A EP 09710608A EP 2240735 B1 EP2240735 B1 EP 2240735B1
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EP
European Patent Office
Prior art keywords
air chamber
shutter
core
inflation
air
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Application number
EP09710608.2A
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English (en)
French (fr)
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EP2240735A1 (de
Inventor
Gérard BENHARBON
Pierre Mahieu
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Solios Carbone SA
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Solios Carbone SA
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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
    • F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
    • F27B13/02—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge of multiple-chamber type with permanent partitions; 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
    • F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
    • F27B13/06—Details, accessories, or equipment peculiar to furnaces of this type
    • 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
    • F27B13/00—Furnaces with both stationary charge and progression of heating, e.g. of ring type, of type in which segmental kiln moves over stationary charge
    • F27B13/06—Details, accessories, or equipment peculiar to furnaces of this type
    • F27B13/08—Casings
    • 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
    • F27D1/18—Door frames; Doors, lids, removable covers
    • 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

Definitions

  • the invention relates to the field of so-called "rotating fire” chamber furnaces for the firing of carbonaceous blocks, more particularly carbon anodes and cathodes intended for the electrolytic production of aluminum, and the invention more particularly to provide a shutter for closing a chamber hollow chamber skylight, and a shutter system comprising at least one shutter, but preferably a plurality of shutters, according to the invention to optimize the shutter. sealing of the so-called "fire suction" zone, during the operation of a rotating furnace.
  • the baking oven comprises two parallel casings, extending along a longitudinal axis along the length of the oven, only one of which is shown on the figure 1 and each comprising a carcass 1 with two lateral walls, longitudinal, vertical and parallel, on a bottom, which walls and bottom are lined internally with a heat insulation 2, each casing also comprising a succession of transverse chambers 3 separated from each other by transverse walls 4.
  • Each chamber 3 is constituted, in its length, that is to say in the transverse direction of the oven, by the alternately juxtaposing cavities 5 open at their upper part to enable the loading of the carbonaceous blocks 6 to be cooked and the unloading of the cooled cooked blocks 6, and in which are stacked the carbonaceous blocks 6 to be cooked, and hollow partitions 7
  • These partitions 7 of a chamber 3 are in the longitudinal extension of the hollow partitions 7 of the other chambers 3 of the same span, and these hollow partitions 7 are in communication with each other by dormers 8 at the upper part of their transverse wall facing longitudinal passages formed at this level in the transverse walls 4, so that the hollow partitions 7 form rows of longitudinal partitions, arranged parallel to the length of the furnace and in which will flow gaseous fluids (combustion air, combustible gases and gases and combustion fumes) for preheating and cooking the carbon blocks 6, then cooling them.
  • gaseous fluids combustion air, combustible gases and gases and combustion fumes
  • the hollow partitions 7 further comprise a baffle device 9 to elongate and distribute more uniformly the path of the flue gases or fumes, and a series of transverse spacers 10, distributed over their entire surface, to ensure the mechanical maintenance of their thin walls, as shown on the cuts of Figures 2a and 2b .
  • the hollow partitions 7 are also provided, at their upper part, closable openings 11, said openings, formed in a crown block 12 of the corresponding chamber 3 of the furnace.
  • the baffles 9 of the new generation partition 7 are distinguished from those of the partition 7 of the figure 2a , in that they allow the distribution of combustion gases throughout the partition without constituting an obstacle to the passage of gases.
  • the shutters are introduced by shutters 11 so as to close skylights 8 of the partitions 7 of a chamber 3 of the oven, which requires to remove the removable lids of these openers 11.
  • the shutters commonly used today in revolving furnaces are constituted by a fixed plate, or manually deployable, connected to a handling rod, which allows to engage a shutter in a hollow partition by doing so. go through a quarney and position it and hold it next to a skylight 8 to close.
  • the positioning of the shutter in the partition 7 is to wedge the plate of the shutter against the skylight 8 of the gas passage. This positioning of the shutter is a delicate operation, because the reduced passage section of the aperture 11 offers little freedom of movement. With the aging of the hollow partitions 7, the shutter setting operation becomes more difficult and cases of infiltration of cold air become very common.
  • the problem underlying the invention is to overcome the aforementioned drawbacks, while allowing a closure of the dormers with a seal at least as good as that provided by the inflatable bladder shutter of the state of the art, and suitable for ovens of this type whose hollow partitions are stiffened by staggered spacers, and, in general, the object of the invention is to provide a shutter more suitable than those known to the various requirements of practice.
  • the handling operations and more particularly the phases of insertion and removal of the shutter in a partition through a quarl, are facilitated because performed while the air chamber is deflated, which also protects the room to air against frictional wear in contact with walls and walls.
  • the peripheral seal formed by the air chamber completes the obstruction of the gas passage window ensuring a perfect seal, independently of the deformations of the partitions.
  • the housing provided in the core for receiving the air chamber may be a peripheral groove formed in the periphery of the core and in which the air chamber arranged in protruding inflatable coil is retracted, in the inflated state, out of said groove to form the peripheral seal.
  • the core of the shutter comprises two rigid plates of substantially the same planar shape, preferably elongated rectangular shapes with bevelled and metallic corners, fixed rigidly opposite and at a distance from each other. one of the other by spacers, and delimiting between them a housing which receives the inflatable air chamber and which opens peripherally between the two plates to allow the formation of the peripheral seal in the inflated state of said air chamber.
  • the two plates of the core are advantageously fixed together removably, so as to allow the replacement of a damaged air chamber.
  • a material which is substantially airtight and resistant to heat, to the temperatures and to the corrosive properties of the combustion gases and fumes, and which can be elastically deformable such as an elastomer material, a polyurethane sheet or a silicone rubber, and / or flexible, such as a NYLON® or PTFE fabric.
  • the shutter is advantageously equipped with a device for retraction of the air chamber in the deflated state in the core.
  • the retraction device may comprise at least one resiliently deformable return member, such as at least one elastic cord internal to the air chamber, or at least one elastic strap external to the air chamber. which is expanded by inflating the air chamber and elastically retracts to its state of relaxation, deflating the air chamber, by retracting said air chamber into the core.
  • at least one resiliently deformable return member such as at least one elastic cord internal to the air chamber, or at least one elastic strap external to the air chamber.
  • the retraction device may comprise a pantograph folding mechanism disposed in the air chamber so that the inflation of the latter causes the separation of two flanges connected to one another by at least one pantograph, and the opening of the pantograph or pantographs by compressing at least one return spring, the relaxation of which upon deflation of the air chamber causes the closing of the pantograph (s) and the folding of the inner tube into its housing in the soul.
  • the shutter of the invention is preferably provided with a handling rod integral with the core, by a lower end portion of the stem, preferably slightly bent with respect to an upper end portion of the stem, is equipped with a guide rod and stall to facilitate the positioning of the shutter in the hollow wall and the setting of the shutter on said furnace.
  • the handling rod is advantageously at least partially tubular and equipped, at one end of the tubular part, with a quick connector for connection to an inflation / deflation system with a supply of compressed air, the other end the tubular portion of the rod being connected to the interior of the air chamber.
  • the shutter is also advantageously equipped with a device for visual control of the inflation pressure of the air chamber and if the handling rod is at least partially tubular, this visual control device is preferably a manometer mounted on the stem.
  • the core of the shutter according to the invention is arranged so as to allow the wedging of the shutter against the base of the corresponding skylight, and / or between said base of the shutter. skylight and an internal spacer to the corresponding partition.
  • the invention also relates to a closure system for closing off at least one hollow partition of a rotating furnace and which is characterized in that it comprises at least one shutter according to the invention and as defined herein. above, and a tube inflating / deflating system, comprising a coupling, preferably fast and self-sealing, connection to a compressed air supply, and connected to a pressure regulator, itself connected to a inflation or deflation selection valve connected, on the one hand, to the air chamber of said at least one shutter, for its inflation, via a safety valve and an individual manual control of inflation and deflation of said air chamber, and, secondly, a discharge venturi, connected to said air chamber by said individual control and a valve controlled by said selection valve, for selectively controlling the isolation of the venturi when the a tube is inflated, and the supply of the venturi compressed air to allow deflation of said air chamber by suction.
  • a coupling preferably fast and self-sealing, connection to a compressed air supply
  • a pressure regulator itself connected
  • the shutter system according to the invention comprises a shutter according to the invention and as presented above respectively for each of the partitions. hollow of said oven chamber, the shutters being connected in parallel with the inflation / deflation valve and with the venturi of discharge of an inflation / deflation system common to the inner tubes of the shutters.
  • the shutters are advantageously assembled on a common gateway, extending above said furnace chamber, and equipped with a respective support arm to support each shutter in the extended position of the corresponding hollow partition, and a connection to a compressed air distribution network and / or at least one air compressor for supplying the inflation / deflation system.
  • the shutter 13 comprises a central core 14, rigid and sufficiently refractory to withstand the temperature of the gases and fumes circulating in the hollow partitions 7 and passing through the dormers 8, this rigid core 14, for example in a metal material, being of substantially rectangular shape elongated in plan, to be arranged facing a skylight 8 of a hollow wall 7 of the furnace, and thus close most of the gas passage section by this skylight 8.
  • the shutter 13 also comprises an inflatable air chamber 15, visible on the figure 3b representing the shutter 13 with the air chamber 15 in the inflated state, wherein this air chamber 15 forms a peripheral pneumatic seal 16, which surrounds the central rigid core 14 over its entire perimeter, while in the deflated state, represented on the figure 3a , the air chamber 15 is not visible because retracted inside a housing in the central core 14.
  • the peripheral pneumatic seal 16 which protrudes around the periphery of the central core 14, completes the closure of the gas passage section by the skylight 8, which is mainly provided by the central core 14, as visible on the figure 3a .
  • the skylight 8 is completely sealed, with sealing, in that the pneumatic peripheral seal 16 closes the clearance between the periphery of the central core 14 and the surrounding walls and walls of the hollow partition 7.
  • the rigid core 14 consists of two metal plates 17a and 17b, of the same elongated rectangular shape with beveled or rounded tops, which are fixed facing and at a distance from one another by three tubular spacers 18, against the ends of which the plates 17a and 17b are fixed by screws 18a through washers 18b applied against the faces external plates 17a and 17b, and passing holes drilled in these plates to be screwed into the opposite ends threaded tubular spacers 18.
  • the air chamber 15 is an airbag occupying the volume 19 delimited between the two plates 17a and 17b and wherein said air chamber 15 surrounds the spacers 18, each passing through a correspondingly shaped passageway 20 formed in the air chamber 15, shown in the inflated state on the figure 3c , so that its periphery constitutes the peripheral pneumatic seal 16 which protrudes out of the housing 19 between the plates 17a and 17b over the entire perimeter of these plates.
  • the two plates 17a and 17b of the core 14 of the obturator 13 with inflatable air chamber 15 of the figure 3c are fixed together in a removable manner, so that in case of damage to the air chamber 15, it can be easily replaced, after unscrewing the screws 18a.
  • the inflatable air chamber 15, whatever its state, inflated or deflated, is retained by the struts 18 in the housing 19.
  • the air chamber 15 In the position of use of the shutter 13 (see figure 3b ), as the inflated air chamber is exposed, at least at the peripheral air seal 16, to gases and fumes which are relatively hot, the air chamber 15 must be made of a material which is not only substantially impervious to an inflation gas, in practice compressed air, but also substantially resistant to the heat, temperatures and corrosive properties of said combustion gases and fumes, at the hollow partitions 7 of the chamber 3 including skylights 8 must be closed.
  • an elastically deformable membrane made, for example, of an elastomeric material or of a polyurethane sheet or of a silicone rubber, or else a flexible membrane, for example a textile structure such as a textile fabric.
  • NYLON® or PTFE or in NOMEX®, or a composite membrane made of a polyurethane or silicone matrix reinforced by a textile reinforcement, for example fabric or non-woven NYLON® or PTFE. It can also be a sheet of flexible textile structure covered with a coating of NOMEX®, NYLON® or PTFE.
  • the shutter 13 also comprises a handling rod 21, a so-called lower end portion 21a is integral with the rigid core 14 of the shutter 13, so that an operator can maneuver the opposite end portion said upper 21b of this rod 21 to pass the core 14 and the air chamber 15 deflated by a quarl 11 in the immediate vicinity of a skylight 8 to be closed, the introduction of the shutter 13 in the corresponding hollow partition 7, or to removal of the shutter 13 of this partition 7, as well as to operate the shutter 13 in the partition 7 and position it appropriately opposite the skylight 8, the air chamber 15 is still deflated, and retracted or retracted into the housing 19 between the two plates 17a and 17b of the core 14, not only to facilitate these handling operations in the insertion, removal or positioning of the shutter 13, but also to protect the air chamber 15 deflated against chafing and tearing in contact with walls, walls, spacers 10 and shutters 11.
  • the rod 21 is slightly bent between its lower end portions 21a and 21b upper, which facilitates the positioning of the core 14 inclined and facing the skylight 8 (see figure 3a ), the structure of the core 14 with its two plates 17a and 17b spaced being favorable to a support and a good wedging of the lower end of the shutter 13, in the position of use, by overlapping a ridge on the base 8a of the dormer 8, and while the core 14 extends between the base 8a skylight 8, spacers 8b which subdivide this skylight 8 in several passages, on one side, and on the other side, a spacer 10 internal to the corresponding hollow partition 7.
  • the upper end portion 21b rod which always protrudes out of the quarlet 11 when the shutter 13 is in a good use position, is equipped with a guide rod 22 and wedging, which facilitates the positioning of the shutter 13 by the operator in the hollow partition 7, in particular for the small rotational movements about the axis of the upper end portion of the rectilinear rod 21b, and which also facilitates the setting of the shutter 13 in use position on the oven, as shown in the figures 3a and 3b , by pressing the cane 22 on the crown block 12.
  • Inflation and deflation of the air chamber 15 are provided by the handling rod 21, which is tubular over its entire length, and which is connected to the inside of the air chamber 15 by a sealing connection connecting the end. lower part of the rod 21 to the air chamber 15, while the upper end of this rod 21 is equipped with a self-closing fast connector 23, for the selective connection of the air chamber 15 of the shutter 13 to a supply of compressed air, for inflation, and the atmosphere, for deflation.
  • This quick coupling 23 allows, as represented on the figure 4 , to connect a compressed air supply 24 to a system 25 for inflating / deflating the air chamber 15 of the shutter 13 of the Figures 3a to 3c to form a shutter system for a hollow partition window 8, in which the inflating / deflating system 25 can be integrated into the shutter 13 being supported directly by its handling rod 21 and / or its rod 22. guiding and wedging.
  • the quick connector 23 connects the compressed air supply 24 to a filter 26 followed by a pressure regulator 27 of the type controlled by the supply pressure, itself connected to a first of the three channels of a valve 28 with two positions for selecting the inflating and deflating configurations of the air chamber 15.
  • This valve 28 comprises a manual lever 29, the maneuver of which makes it possible to differentiate the inflation and deflation configurations.
  • the pneumatic valve 28 is connected by a second channel to a safety valve 30, also controlled by its intake pressure, and itself connected to a valve or valve 31 for manual control of inflation or deflation of the air chamber 15, whose pressure inflation is indicated by a pressure gauge 32, fitted to the shutter 13, and for example mounted on its rod 21, as device or indicator visual control of the inflation pressure of the air chamber 15.
  • this second channel of the selection valve 28 is also connected to the suction nozzle of a discharge venturi 33, via a controlled valve 34, controlled by the selection valve 28 so to be closed when the valve 28 is in the inflation configuration, and open when the valve 28 is in the deflation configuration.
  • the third channel of the selection valve 28 is connected to the discharge venturi 33, so that in the deflation configuration of the selection valve 28, the latter supplies the discharge venturi 33 with compressed air, generating a negative pressure. discharge in the suction nozzle and the pipe coming from the pilot valve 34, the safety valve 30, the manual control 31 and the air chamber 15. It is understood that once the inflation or deflation configuration chosen at the selection valve 28, the operator manually actuates the control 31 to inflate the air chamber 15 with compressed air, or to deflate it through the discharge depression generated in the venturi 33 then supplied with air compressed by the selection valve 28.
  • FIG. figure 5 And n together shutters 13 a, 13 b, ... 13 n -1 and 13 n, each of which is designed to close a window 8 of one of the n partitions crates7 respectively, 7b, ... 7 n -1 and 7 n of the chamber 3 concerned.
  • shutters 13 a, 13 b, ... 13 n -1 and 13 n each of which is designed to close a window 8 of one of the n partitions crates7 respectively, 7b, ... 7 n -1 and 7 n of the chamber 3 concerned.
  • These shutters each identical to that described above and shown schematically on the Figures 3a to 3c , are assembled on a common gateway closure whose mechanical structure is schematically represented at 35 on the figure 5 And extends over the chamber 3 of the oven, that is to say transversely above the hollow partitions 7 a to 7 n.
  • This shutter gateway 35, the air chambers 15 of inflatable obturators 13 a-13 n and individual manual control of inflation or deflation 31a to 31 n are respectively connected in parallel, via the safety valve 30, on the one hand to the selection valve 28 with manual lever 29 and, on the other hand, to the venturi of discharge 33 of an inflation / deflation system 25 which is common to all the air chambers 15 of the shutters 13 a to 13 n and which constitutes a general pneumatic control system mounted on the bridge 35, which is furthermore equipped with a support arm (not shown) for supporting each respective shutter 13 a to 13 n, when the shutter is out of the hollow wall 7 a to 7 n corresponding, to facilitate movement of the shutter gateway 35 carrying with it all the shutters 13 a to 13 n and their general inflation / deflation control system 25, supplied from a compressed air distribution network by a connection such as 23 or by at least one air compressor, mounted on the gateway of FIG. shutter 35, to provide a main supply or backup of the system 25 compressed air.
  • the air chamber 15 is equipped with a retraction device, two embodiments of which comprise resiliently deformable return members, are schematically represented on the Figures 6a and 6b .
  • this retraction device comprises, for example, five elastic beads 36, each of which is an elastic ring bonded against the inner face of the air chamber 15, so that these rings 36 are expanded, by elastic deformation, by inflating the air chamber 15 between the two plates 17a and 17b, and that, upon deflation of the air chamber 15, the cords 36 retract elastically to their state of relaxation, and participate in the deflation of the air chamber 15 which is thus entirely retracted inside the housing 19 between the two plates 17a and 17b. It is understood that the elastic retraction of the cords 36 assists the discharge venturi 33 deflation.
  • the device for retraction of the air chamber 15 comprises, as elastically deformable return members, a set of external elastic strips 37, which surround the air chamber 15 to retract during deflation, after their expansion by elastic deformation when inflating this air chamber 15.
  • the retraction device comprises a pantograph folding mechanism, shown deployed on the Figure 6c when the air chamber 15 is inflated, and folded over the figure 6d , by retracting the air chamber 15 between the plates 17a and 17b of the core 14.
  • This mechanism comprises, for example, two rigid flanges 38a and 38b, parallel and spaced from each other, fixed on the inner edges of the air chamber 15, and connected to one another by a pantograph 39 with two compasses and a simple compass 40, the pantograph 39 dams as the compass 40 being hinged to pivot about parallel pivots between them and in the plane of the flanges 38a and 38b, and perpendicular to a central axis 41 of the mechanism itself secured to the plates 17a and 17b, on which the arms of the pantograph 39 and the compass 40 are also pivotable and around which are mounted helical springs 42 compressed against stops 43 by the axial displacement of the central axis 41 when the two flanges 38a and 38b deviate from one another to the inflation of the air chamber 15, because of the opening of the compass 40 and two compasses constituting the pantograph 39.
  • the relaxation of the springs 42 previously compressed by the inflation causes the closure of the pantograph 39 and the compass 40, which controls the bringing together of the two flanges 38a and 38b of one another and the folding of the air chamber 15 in its housing 19 in the core 14.
  • the folding mechanism of the inner edges of the air chamber may be completed by a folding mechanism of the lower and upper edges 38c and 38d consisting of a return rod 44 connected to the return spring 45 compressed against the abutment 46 itself secured to one of the plates of the shutter 17a or 17b.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Air-Flow Control Members (AREA)

Claims (15)

  1. Verschluss (13) mit schwell- bzw. aufblasbarer Abdichtung (16) für einen Anschluss (8) einer Hohlwand (7) eines als "Ringkammerofen" bezeichneten Mehrkammerofens (3), dadurch gekennzeichnet, dass er Folgendes umfasst:
    - einen starren Kern (14) mit einer im Wesentlichen rechteckigen länglichen Form, der vorgesehen ist, gegenüber einem Anschluss (8) einer Hohlwand (7) des Ofens angeordnet zu sein, um den Hauptteil des Querschnitts des Gasstroms durch den Anschluss (8) abzusperren, und
    - zumindest eine aufblasbare Luftkammer (15), die im unaufgeblasenen Zustand in einer Aufnahme (19) des Kerns (14) verstaut ist und im aufgeblasenen Zustand eine Außen- bzw. Umfangsabdichtung (16) bildet, die über die Umrandung des Kerns (14), welche die Abdichtung (16) über ihren gesamten Umfang umschließt, hinausragt, um die Absperrung des Anschlusses (8) zu vervollständigen.
  2. Verschluss nach Anspruch 1, dadurch gekennzeichnet, dass die Aufnahme (19) eine Umfangsnut ist, die in die Umrandung des Kerns (14) eingebracht ist und in der die als eine aufblasbare Wulst angeordnete Luftkammer (15) verstaut ist, die im aufgeblasenen Zustand aus der Nut hinausragt, um die Umfangsabdichtung (16) zu bilden.
  3. Verschluss nach Anspruch 1, dadurch gekennzeichnet, dass der Kern (14) zwei starre Platten (17a, 17b) umfasst, die in der Ebene im Wesentlichen dieselbe Form aufweisen, einander gegenüberliegend und durch Streben (18) voneinander beabstandet starr befestigt sind und zwischeneinander eine Aufnahme (19) begrenzen, welche die aufblasbare Luftkammer (15) aufnimmt und sich peripher zwischen den beiden Platten (17a, 17b) öffnet, um die Bildung der Umfangsabdichtung (16) zuzulassen, wenn sich die Luftkammer (15) im aufgeblasenen Zustand befindet.
  4. Verschluss nach Anspruch 3, dadurch gekennzeichnet, dass die beiden Platten (17a, 17b) des Kerns (14) abnehmbar aneinander befestigt sind, um den Austausch einer beschädigten Luftkammer (15) zu ermöglichen.
  5. Verschluss (13) nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Luftkammer (15) aus einem im Wesentlichen luftdichten, hitzefesten und gegenüber den Temperaturen und korrosiven Eigenschaften der Verbrennungsgase und des Verbrennungsrauchs des Ofens beständigen sowie elastisch verformbaren Material, wie beispielsweise einem Elastomermaterial, einer Polyurethanfolie oder einem Silikonkautschuk, und/oder einem flexiblen Material, wie beispielsweise einem NYLON®- oder PTFE-Stoff, ausgebildet ist.
  6. Verschluss nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass er mit einer Einrichtung (36, 37)zur Verstauung der Luftkammer (15) im unaufgeblasenen Zustand im Kern (14) ausgestattet ist.
  7. Verschluss nach Anspruch 6, dadurch gekennzeichnet, dass die Verstauungsvorrichtung zumindest ein elastisch verformbares Rückstellelement (36, 37), wie beispielsweise zumindest eine innerhalb der Luftkammer (15) befindliche elastische Schnur (36) oder zumindest einen außerhalb der Luftkammer (15) befindlichen elastischen Riemen (37), umfasst, die bzw. der durch das Aufblasen der Luftkammer (15) ausgedehnt wird und sich beim Ablassen der Luftkammer (15) in elastischer Weise in seinen Entspannungszustand zurückzieht und dabei die Luftkammer (15) im Kern (14) verstaut.
  8. Verschluss nach Anspruch 6, dadurch gekennzeichnet, dass die Verstauungsvorrichtung einen pantographischen Klappmechanismus (39) umfasst, der so in der Luftkammer (15) angeordnet ist, dass das Aufblasen der Letzteren die Spreizung zweier miteinander durch zumindest einen Pantographen (39) verbundener Flansche (38a, 38b) und die Öffnung des bzw. der Pantographen (39) bewirkt, indem zumindest eine Rückstellfeder (42) zusammengedrückt wird, deren Entspannung beim Ablassen der Luftkammer (15) das Schließen des bzw. der Pantographen (39) und den Rückzug der Luftkammer (15) in ihre Aufnahme (19) im Kern (14) bewirkt.
  9. Verschluss (13) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass er mit einer Bedienstange (21) ausgestattet ist, die über einen unteren Stangenendabschnitt (21a), welcher vorzugsweise in Bezug auf einen oberen Stangenendabschnitt (21b), der mit einem Führungs- und Blockiergriff (22) zur Vereinfachung der Positionierung des Verschlusses (13) in der Hohlwand (7) und der Blockierung des Verschlusses (13) am Ofen ausgestattet ist, leicht abgewinkelt ist, fest mit dem Kern (14) verbunden ist.
  10. Verschluss nach Anspruch 9, dadurch gekennzeichnet, dass die Bedienstange (21) zumindest teilweise rohrförmig und an einem Ende des rohrförmigen Abschnitts mit einer Schnellkupplung (23) zur Verbindung mit einem Aufblas-/Ablasssystem (25) mit einer Druckluftversorgung (24) ausgestattet ist, wobei das andere Ende des rohrförmigen Abschnitts der Stange (21) mit dem Inneren der Luftkammer (15) verbunden ist.
  11. Verschluss nach einem der Ansprüche 9 und 10, dadurch gekennzeichnet, dass es mit einer Vorrichtung zur Sichtkontrolle des Fülldrucks der Luftkammer (15), beispielsweise einem an der Stange (21) befestigten Manometer (32), ausgestattet ist.
  12. Verschluss nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass der starre Kern (14) angeordnet ist, um die Blockierung des Verschlusses (13) am entsprechenden Sockel (8a) des Anschlusses (8) und/oder zwischen dem Sockel (8a) des Anschlusses (8) und einer entsprechenden Strebe (10) innerhalb der Wand (7) zu ermöglichen.
  13. Verschlusssystem für zumindest einen Anschluss (8) einer Hohlwand (7) eines als "Ringkammerofen" bezeichneten Mehrkammerofens (3), dadurch gekennzeichnet, dass es zumindest einen Verschluss (13) nach einem der Ansprüche 1 bis 12 und ein System (25) zum Aufblasen/Ablassen der Luftkammer (15) umfasst, welches einen Anschluss (23), vorzugsweise einen selbstschließenden Schnellanschluss, zur Verbindung mit einer Druckluftversorgung (24) umfasst, der mit einem Druckregler (27) verbunden ist, der seinerseits mit einem Aufblas-/Ablass-Wechselventil (28) verbunden ist, das einerseits über ein Sicherheitsventil (30) und eine manuelle individuelle Aufblas- bzw. Ablasssteuerung (31) mit der Luftkammer (15) des zumindest einen Verschlusses (13) zum Aufblasen derselben und andererseits mit einem Venturi-Ablassrohr (33) verbunden ist, das über die individuelle Steuerung (31) und ein durch das Wechselventil (28) gesteuertes Vorsteuerventil (34) an die Luftkammer (15) angeschlossen ist, um die Abdichtung des Venturi-Rohrs (33) bei aufgeblasener Luftkammer (15) und die Druckluftversorgung des Venturi-Rohrs zur Ermöglichung des Ablassens der Luftkammer (15) durch Absaugung gezielt zu steuern.
  14. Verschlusssystem nach Anspruch 13, um die Anschlüsse (8) der Hohlwände (7) ein und derselben Kammer (3) des Ofens abzusperren, dadurch gekennzeichnet, dass es jeweils einen Verschluss (13a bis 13n) für jede der Hochwände (7a bis 7n) der Kammer (3) umfasst, wobei die Verschlüsse (13a bis 13n) parallel mit dem Aufblas-/Ablass-Wechselventil (28) und mit dem Venturi-Ablassrohr (33) eines gemeinsamen Systems (25) zum Aufblasen/Ablassen aller Luftkammern (15) der Verschlüsse (13a bis 13n) verbunden sind.
  15. Verschlusssystem nach Anspruch 14, dadurch gekennzeichnet, dass die Verschlüsse (13a bis 13n) auf einem gemeinsamen Absperrsteg (35) angeordnet sind, der sich über der Kammer (3) des Ofens erstreckt und mit einem jeweiligen Stützarm zum Stützen jedes Verschlusses (13a bis 13n) in der Ausgangsposition der entsprechenden Hohlwand (7a bis 7n) sowie mit einem Anschluss (23) an ein Druckluftversorgungsnetz (24) und/oder zumindest einem Luftkompressor zur Versorgung des Aufblas-/Ablass-Systems (25) ausgestattet ist.
EP09710608.2A 2008-02-13 2009-02-05 Verschluss mit einer schwellbaren aussenabdichtung und verschlusssystem damit für einen anschluss eines mehrkammerofens Active EP2240735B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0850921A FR2927410B1 (fr) 2008-02-13 2008-02-13 Obturateur a joint d'etancheite peripherique gonflable et systeme d'obturation le comportant pour lucarne de four a chambres
PCT/FR2009/050177 WO2009101330A1 (fr) 2008-02-13 2009-02-05 Obturateur a joint d'etancheite peripherique gonflable et systeme d'obturation le comportant pour lucarne de four a chambres

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EP2240735A1 EP2240735A1 (de) 2010-10-20
EP2240735B1 true EP2240735B1 (de) 2014-06-25

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US (1) US8826900B2 (de)
EP (1) EP2240735B1 (de)
CN (1) CN101983309B (de)
AU (1) AU2009213961B2 (de)
CA (1) CA2713905C (de)
FR (1) FR2927410B1 (de)
RU (1) RU2480695C2 (de)
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US9534510B2 (en) * 2011-03-07 2017-01-03 Dynamis Energy, Llc System and method for thermal chemical conversion of waste
RU180116U1 (ru) * 2018-03-30 2018-06-04 Общество с ограниченной ответственностью "КПД ИНЖИНИРИНГ" (ООО "КПД ИНЖИНИРИНГ") Переворотное устройство индукционной печи
CN114361599B (zh) * 2021-12-29 2024-03-08 广州小鹏汽车科技有限公司 电芯化成密封构件、电芯化成装置及电芯化成方法

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Also Published As

Publication number Publication date
RU2010137860A (ru) 2012-03-20
CA2713905A1 (fr) 2009-08-20
RU2480695C2 (ru) 2013-04-27
WO2009101330A1 (fr) 2009-08-20
AU2009213961A1 (en) 2009-08-20
EP2240735A1 (de) 2010-10-20
US8826900B2 (en) 2014-09-09
CN101983309A (zh) 2011-03-02
CN101983309B (zh) 2013-01-09
AU2009213961B2 (en) 2013-03-28
US20100313881A1 (en) 2010-12-16
FR2927410A1 (fr) 2009-08-14
FR2927410B1 (fr) 2010-04-09
ZA201005607B (en) 2011-10-26
CA2713905C (fr) 2016-07-26

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