EP4348115B1 - Dispositif de maintien permettant de maintenir une brique d'ancrage céramique sur une paroi de four, four comprenant un tel dispositif de maintien, procédé de fixation d'un tel dispositif de maintien sur une paroi de four - Google Patents

Dispositif de maintien permettant de maintenir une brique d'ancrage céramique sur une paroi de four, four comprenant un tel dispositif de maintien, procédé de fixation d'un tel dispositif de maintien sur une paroi de four Download PDF

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Publication number
EP4348115B1
EP4348115B1 EP22729725.6A EP22729725A EP4348115B1 EP 4348115 B1 EP4348115 B1 EP 4348115B1 EP 22729725 A EP22729725 A EP 22729725A EP 4348115 B1 EP4348115 B1 EP 4348115B1
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EP
European Patent Office
Prior art keywords
fastening part
fastening
holding device
furnace wall
furnace
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.)
Active
Application number
EP22729725.6A
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German (de)
English (en)
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EP4348115A1 (fr
EP4348115C0 (fr
Inventor
Bernhard Handle
Bojan Zivanovic
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.)
Refractory Intellectual Property GmbH and Co KG
Original Assignee
Refractory Intellectual Property GmbH and Co KG
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Publication date
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Publication of EP4348115A1 publication Critical patent/EP4348115A1/fr
Application granted granted Critical
Publication of EP4348115C0 publication Critical patent/EP4348115C0/fr
Publication of EP4348115B1 publication Critical patent/EP4348115B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/04—Supports for linings
    • 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
    • F27D1/14—Supports for linings
    • F27D1/141—Anchors therefor
    • 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
    • F27D1/14—Supports for linings
    • F27D1/141—Anchors therefor
    • F27D1/142—Anchors made from ceramic material
    • 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

Definitions

  • the invention relates to a holding device for holding a ceramic anchor brick on a furnace wall, a furnace comprising such a holding device and a method for fastening such a holding device to a furnace wall.
  • Holding devices with a ceramic anchor stone attached to them are used to hold the refractory lining of an industrial furnace.
  • a ceramic anchor stone is sometimes referred to simply as a "ceramic anchor" in the state of the art.
  • the refractory lining of the industrial furnace, which can be held by the ceramic anchor brick can in particular be a refractory ceramic lining.
  • a refractory ceramic lining can be present both as an unshaped refractory material, for example in the form of a ceramic mass, or in the form of a shaped ceramic material, for example in the form of bricks.
  • the refractory lining is arranged in relation to the ceramic anchor brick in such a way that it can be held in a desired position by the ceramic anchor brick.
  • the ceramic anchor brick it is known for the ceramic anchor brick to be profiled on its surface, with the refractory lining engaging in this profile in such a way that it can be held by the ceramic anchor brick.
  • the ceramic anchor brick is held to the furnace wall by a holding device attached to the furnace wall.
  • Such a holding device usually has fastening means for securing the holding device to the furnace wall. Furthermore, the holding device has a receiving part for holding the ceramic anchor stone on the holding device.
  • the ceramic anchor stone can have a receiving section that can be received in a receptacle of the receiving part to hold the anchor stone on the receiving part.
  • the receiving parts known from the prior art usually have a claw-like configuration that encompasses the receiving section of the anchor stone.
  • a generic holding device is, for example, in EP 2 322 889 B1 revealed.
  • the DE 40 14 276 C1 discloses a holding device with the features of the preamble of the first claim.
  • the holding device is subject to significant temperature fluctuations, which lead to thermal expansion and shrinkage of the holding device.
  • the holding device must therefore be designed to accommodate thermal expansion of the holding device.
  • a fastening means comprising a first fastening part and a second fastening part, wherein the first fastening part can be fastened to a furnace wall and the second fastening part is fastened to the receiving part, and wherein the second fastening part can be fastened to the first fastening part.
  • the first and second fastening parts can be designed to be movable relative to one another, whereby thermal expansion of the holding device can be absorbed.
  • a particular challenge is the fastening of the first fastening part to the second fastening part, since the second fastening part must be securely fastened to the first fastening part, but at the same time the aforementioned mobility of the first and second fastening parts relative to one another must be ensured.
  • a holding device holding the anchor stone is attached to a retaining bar that can be attached to a furnace wall via a set screw that can be melted during furnace operation.
  • a fastening via a set screw that has to be screwed in is complicated.
  • such a fastening is not secure unless the set screw is tightened firmly.
  • the holding device can be removed if the refractory lining is no longer attached to the retaining web after the furnace operation, for example for a repair of the lining, since the adjusting screw has already melted and is therefore unusable for further use.
  • the present invention is based on the object of providing a holding device for holding a ceramic anchor brick to a furnace wall, which can absorb thermal expansion of the holding device during furnace operation and which can simultaneously be easily and securely attached to the furnace wall. Furthermore, the invention is based on the object of providing such a holding device that always enables secure attachment of the holding device to the furnace wall, even when a refractory lining is removed from the anchor brick after furnace operation, for example, during repair of the lining.
  • the invention provides a holding device according to the first claim.
  • a holding device which achieves the above-mentioned objects if it comprises a first fastening part and a second fastening part, wherein the first fastening part is fastened to a furnace wall and the second fastening part is fastened to the receiving part, wherein the second fastening part is further fastenable to the first fastening part and the first fastening part and the second fastening part are simultaneously designed in such a way that the second fastening part can be fastened to the first fastening part by a relative movement of the second fastening part to the first fastening part, which movement is carried out as a rotational movement.
  • the fastening of the holding device to a furnace wall is particularly simple in that for this purpose the second fastening part alone can be fastened to the first fastening part by a relative movement to the latter.
  • this eliminates the need to use further aids, such as screws or the like, to fasten the second fastening part to the first fastening part.
  • such a fastening allows the holding device to be fastened to the furnace wall particularly securely. This is because a relative movement of the second fastening part to the first fastening part is necessary to release the fastening.
  • the holding device can absorb thermal expansion during furnace operation.
  • a particular advantage of a relative movement in the form of a rotary movement is that it can be carried out particularly easily and, in particular, requires minimal space. This can be particularly true in confined spaces on a furnace wall.
  • such a relative movement in the form of a rotary movement can be significantly superior to a relative movement in the form of a linear movement, since a linear movement can be disadvantageous, especially in confined spaces.
  • a relative movement in the form of a rotary movement is particularly advantageous insofar as it can achieve a particularly secure fastening.
  • a rotary movement must be carried out again, which can inadvertently This is generally not the case.
  • the second fastening part can be particularly securely fastened to the first fastening part by means of a rotating movement, without the possibility of this fastening subsequently being accidentally released again.
  • the relative movement for fastening the first fastening part to the second fastening part requires a rotational movement with a rotation angle in the range of 10° to 170°.
  • a particularly secure fastening of the second fastening part to the first fastening part can be achieved if the relative movement requires a rotational movement with a rotation angle of 90° or a rotation angle as close as possible to 90°.
  • a rotation angle in the range of 30° to 150°, 60° to 120°, or 80° to 100° may also preferably be required for fastening.
  • first fastening part and the second fastening part can be designed such that the second fastening part can be fastened to the first fastening part by a rotational movement with an angle of rotation of the second fastening part to the first fastening part as above.
  • the second fastening part can be fastened to the first fastening part by a first relative movement of the second fastening part to the first fastening part, and furthermore the second fastening part can be released from the first fastening part by a second relative movement of the second fastening part to the first fastening part, wherein the second relative movement is preferably opposite to the first relative movement.
  • the second fastening part is detachable from the first fastening part to the extent that the second fastening part is detachable from the first fastening part by an opposite relative movement
  • the second fastening part is attachable to the first fastening part by a first rotational movement with a rotational angle as described above in a first direction of rotation of the second fastening part to the first fastening part and, furthermore, the second fastening part is detachable from the first fastening part by a second rotational movement with a rotational angle corresponding to the first rotational movement, but in a direction of rotation of the second fastening part to the first fastening part that is opposite to the first direction of rotation.
  • the first fastening part is formed in one piece.
  • the first fastening part is preferably made of metal, particularly preferably of steel.
  • the first fastening part can be fastened to the furnace wall, for example by means of a material bond or a form fit, for example by welding or a screw connection.
  • the first fastening part is preferably designed such that it can be fastened to the furnace wall protruding from the furnace wall. This has the particular advantage that the second fastening part can then be particularly easily fastened to the first fastening part.
  • the first fastening part can be designed in a bridge-like or web-like manner for this purpose.
  • Such a bridge-like or web-like first fastening part in particular if it is also formed in one piece and in particular from steel, can be designed to be particularly robust, can be easily fastened to the furnace wall, and furthermore the second fastening part can be particularly easily fastened to such a first fastening part.
  • the second fastening part is formed as a single piece.
  • the second fastening part can preferably be made of metal, particularly preferably of steel.
  • the second fastening part and the receiving part can be formed as a single piece.
  • the second fastening part and the receiving part can thus be designed as a one-piece part, in particular as a one-piece metal part, particularly preferably as a one-piece steel part.
  • the fastening part and the receiving part can be designed to be particularly simple and robust.
  • this also has the particular advantage that the receiving part does not have to be attached separately to the second fastening part.
  • the second fastening part can be positively fastened to the first fastening part by a relative movement of the second fastening part to the first fastening part.
  • a positive fastening also has the particular advantage that the second fastening part is secured against unintentional detachment from the first fastening part, for example, in the event of an accidental impact against the second fastening part during its installation on the furnace wall or during furnace operation.
  • the second fastening part has a section that can be inserted into the first fastening part, through which section the first fastening part can be fastened to the first fastening part in a form-fitting manner.
  • the first fastening part has an insertion opening and the second fastening part has an insertion section that can be inserted into the insertion opening, and wherein the second fastening part can be fastened to the first fastening part in a form-fitting manner via the insertion section inserted into the insertion opening by the relative movement of the second fastening part.
  • the second fastening part is fastened to the first fastening part in a form-fitting manner as long as the insertion section is not returned to its initial position, i.e. in the position in which it was when it was Insertion opening was inserted, i.e., before the relative movement was carried out.
  • a relative movement by which the insertion section can be fastened in the insertion opening can be a rotational movement.
  • this embodiment is similar to the principle of a key and lock.
  • the first fastening part has an insertion opening (a "lock") into which the insertion section (a "key”) of the second fastening part can be inserted and is then held in a form-fitting manner in the insertion opening by a rotational movement (like a key in a lock, as long as the key is turned in the lock and has not returned to its original position). Subsequently, the insertion section can only be removed from the insertion opening again when the insertion section is in its original position.
  • a rotational movement like a key in a lock, as long as the key is turned in the lock and has not returned to its original position.
  • the insertion opening is a slot with an undercut.
  • the insertion section can be inserted into the slot and, through the relative movement, in particular a rotational movement, the undercut can be engaged by the insertion section.
  • the insertion section is positively fastened in the slot and simultaneously locked against loosening.
  • the second fastening part can be particularly easily and securely fastened to the first fastening part.
  • a particularly simple and effective further development of this inventive concept lies in the slot being an elongated hole with an undercut.
  • the insertion section can be T-shaped.
  • the T-shaped insertion section can be attached to the receiving part with its base leg (i.e., the vertical leg of the T) and can be inserted into the slot with its cross leg (i.e., the horizontal leg of the T), and the undercut can be engaged by the cross leg due to the relative movement.
  • the receiving part of the holding device for holding a ceramic anchor stone on the holding device can be designed according to the prior art.
  • the receiving part is designed such that a ceramic anchor stone can be held thereon.
  • a ceramic anchor stone is held in the receiving part.
  • the anchor stone is made of a ceramic material, preferably a refractory ceramic material.
  • the ceramic anchor stone can be made of a ceramic material known from the prior art for ceramic anchor stones.
  • the first fastening part is fastened to the second fastening part in a frictional manner.
  • the first fastening part is fastened to the second fastening part in a frictional manner by a fixing means.
  • a fixing means can be provided in particular which loses its fixing effect at the temperatures prevailing in the region of the receptacle during use of the holding device in furnace operation.
  • the fixing means can preferably lose its fixing effect at temperatures above 80° Celsius, preferably at temperatures in the range from 80 to 300°C and particularly preferably at temperatures in the range from 80 to 200°C.
  • the fixing means can consist of a material that decomposes, ignites or melts at these temperatures or a combination of several such materials.
  • a particular advantage of such a fixing means, by which the second fastening part is frictionally fastened to the first fastening part, lies in particular in the fact that the first and second fastening parts can initially be easily and securely frictionally fastened to one another during the arrangement of the holding device on a furnace wall, so that loosening of the fastening of the second fastening part to the first fastening part can be prevented.
  • the fixing means subsequently loses its frictional effect during use of the holding device in furnace operation (i.e.
  • the first and second fastening parts are movable relative to one another at least to a certain extent, whereby in particular thermally induced expansions can be absorbed and thermally induced stresses can be reduced.
  • the fixing means is in plate form.
  • the fixing means may preferably have a thickness in the range of 1 to 10 mm, more preferably a thickness in the range of 1 to 5 mm and even more preferably a thickness in the range of 3 to 5 mm.
  • the fixing means particularly preferably consists of compressible, particularly preferably elastically compressible material.
  • Such an elastically compressible material is compressible against the elastic force of the material. Due to this elasticity of the second fixing means, the second fastening part can be particularly easily and securely fastened to the first fastening part by frictional engagement.
  • the relative movement of the second fastening part to the first fastening part in order to fasten the second fastening part to the first fastening part according to the invention, takes place while a force is exerted against the elastic force of the second fixing means. After the second fastening part has been fastened, the first fastening part and the second fastening part are then frictionally connected to one another by the elastic force of the second fixing means, as explained above.
  • the fixing means comprises material that melts at the temperatures prevailing in the region of the first and second fastening parts during use of the holding device in oven operation.
  • a material can consist of a plastic, preferably a thermoplastic, particularly preferably, for example, of one of the following thermoplastics: polyethylene or polypropylene.
  • the fixing means can, for example, consist entirely or partially of elastically compressible material, for example of an elastically compressible plastic, for example a foamed thermoplastic, in particular a thermoplastic as designed above, rubber, bitumen, cardboard, carton or a combination of several of these materials.
  • the second fixation means can also consist only partially of such an elastically compressible material and also of a non-compressible material, for example in the form of a composite material.
  • a composite material can, for example, be formed from a first, elastically compressible material and a second, non-compressible material.
  • the second fastening part is fastened to the first fastening part both in a form-fitting manner (as explained in more detail above) and in a friction-fitting manner (as explained in more detail above).
  • the holding devices can be attached to the furnace wall via the fastening means, as described above.
  • the furnace according to the invention is, in particular, an industrial furnace, for example, a heating furnace or a rotary kiln.
  • the furnace according to the invention is an industrial furnace designed for the thermal treatment of goods, in particular for the production of starting materials for the basic materials or consumer goods industry, at temperatures above 600°C, preferably above 1,000°C, and in particular above 1,200°C.
  • the furnace according to the invention can be further characterized in that it also has a furnace roof, wherein the holding devices according to the invention are fastened to the furnace roof via the fastening means.
  • the first fastening part can be attached to the furnace wall, for example, by means of a material fit or a form-fitting connection, i.e., by welding or screwing it to it.
  • the second fastening part can then be attached to the first fastening part.
  • the second fastening part is attached to the first fastening part by a relative movement of the second fastening part to the first fastening part.
  • the relative movement can in particular be a rotational movement, in particular with the angles of rotation described in more detail above.
  • the second fastening part can furthermore, as explained above, be insertable into the first fastening part, wherein, as explained above, the second fastening part can in particular have an insertion section that can be inserted into an insertion opening of the first fastening part. It can preferably be provided that when carrying out the method according to the invention, the first fastening part is first fastened to the furnace wall and then the second fastening part is inserted into the first fastening part. The relative movement of the second fastening part to the first fastening part can then be carried out.
  • the holding device is designated in its entirety by the reference numeral 1.
  • the holding device 1 comprises fastening means 100 for fastening the holding device 1 to a furnace wall 10, a receiving part 200 for holding a ceramic anchor brick 300 on the holding device 1, and a ceramic anchor brick 300.
  • the furnace wall 10 of which only a small section is shown, is made of steel.
  • the ceramic anchor brick 300 is made of a refractory ceramic material, as is known for ceramic anchor bricks from the prior art.
  • the ceramic anchor brick 300 extends along a longitudinal axis L from one end face 302 to an opposite, further end face 306 and has a substantially rectangular cross-sectional area perpendicular to the longitudinal axis L.
  • the surface of the anchor brick 300 is profiled by means of spaced longitudinal ribs 301, which extend transversely to the longitudinal axis across the side surfaces of the anchor brick 300.
  • a receiving section 303 of the ceramic anchor brick 300 is formed adjacent to the end face 302 of the ceramic anchor brick 300.
  • the receiving section 303 comprises the section of the anchor stone 300 adjacent to the end face 302.
  • the receiving section 303 comprises two rib-like profiles that flank the end face 302 on two opposite side surfaces of the anchor stone, of which one of the two rib-like profiles 304 can be seen in the figures; the further rib-like profile is arranged symmetrically to this rib-like profile 304 on the opposite side of the anchor stone 300.
  • the rib-like profiles 304 taper wedge-shaped in the same direction, in the arrangement of the holding device according to Figure 1 downwards, i.e., in the direction of gravity. Overall, the receiving section 303 thus has a substantially T-shaped configuration.
  • the receiving section 303 accommodates the ceramic anchoring stone 300 in a receptacle 201 of the receiving part 200.
  • the receiving part 200 is designed as a one-piece steel part with a substantially C-shaped or claw-shaped configuration.
  • the receiving part 200 has a plate-shaped base section 202 with two opposite edges of the base section 202 arranged legs 203, 204.
  • the legs 203, 204 initially extend parallel to each other from the base section 202 in the same direction and each have an end section 206, 207 at their free end that is angled towards each other.
  • the receptacle 201 is formed by the space enclosed by the base section 202 and the legs 203, 204.
  • the base section 202 has a surface 205 facing the receptacle 201 and the end sections 206, 207 each have a surface 208, 209 facing the receptacle 201.
  • the surfaces 208, 209 on the one hand and the surface 205 on the other hand approach in one direction - in the Figure 1
  • the legs 203, 204 engage with the receiving portion 303.
  • the receiving section 303 is designed to be form-fitting with the receptacle 201 and is received in the receptacle 201 in a form-fitting manner and at the same time in a friction-fitting manner via a first fixing means 400 described in more detail below.
  • the receiving part 200 was Figure 1 shown, arranged with a downwardly decreasing gap width of the receptacle 201 and the ceramic anchor stone 300 is then inserted with its receiving section 303 from above into the receptacle 201 until the receiving section 303, with the interposition of the first fixing means 400, lies fully against the receptacle 201, whereby the receptacle 201 also acts as a stop for the receiving section 303.
  • the anchor stone 300 is then securely held in this position in the receiving part 200 due to gravity.
  • the receiving section 303 is held in the receptacle 201 by a first fixing means 400 under frictional engagement.
  • the first fixing means 400 is in the form of a 4 mm thick, solid, i.e., essentially incompressible, plastic plate made of polyethylene.
  • the first fixing means 400 was arranged during the insertion of the receiving section 303 into the receptacle 201 between the end face 302 of the ceramic anchor stone 300 and the surface 205 of the base section 202 facing the receptacle 201, so that when the receiving section is inserted 303 in the receptacle 201 is then forced between the end face 302 and the surface 205, thereby creating a frictional connection.
  • the fastening means 100 for fastening the holding device 1 to the furnace wall 10 comprise a first fastening part 101 and a second fastening part 102.
  • the second fastening part 102 is designed such that it can be fastened to the first fastening part 101 in a form-fitting manner by a relative movement in the form of a rotational movement to the first fastening part 101.
  • the first fastening part 101 is essentially designed like a bridge as a one-piece steel part.
  • the first fastening part 101 comprises a central, plate-shaped section 103 and, on its four edges, sections 104, 105, 106, 107 extending away from the plate-shaped section 103 in the same direction as the plate-shaped section 103, which are connected at their respective free ends to the furnace wall 10 via a welded joint.
  • the plate-shaped section 103 of the first fastening part 101 is arranged at a distance from the furnace wall 10.
  • the plate-shaped section 103 has a slot 108 in the form of a horizontally extending elongated hole. Due to the distance of the plate-shaped section 103 from the furnace wall 10, the elongated hole is designed with an undercut.
  • the second fastening part 102 and the receiving part 200 are formed as a one-piece steel part.
  • the second fastening part 102 is designed as a T-shaped plug-in part that extends away from the center of the base section 202 on the side of the base section 202 opposite the base section 202.
  • the T-shaped plug-in part of the second fastening part 102 has a base leg 109 extending away from the base section 202 and a transverse leg 110 extending transversely thereto at its distal end.
  • the transverse leg 110 runs along the decreasing gap width of the receptacle 201, i.e., in the arrangement of the holding device 1 according to Figure 1 vertical.
  • the transverse leg 110 of the second fastening part 102 is dimensioned such that when it runs along the course of the elongated hole 108 (i.e. compared to the illustration in the Figures rotated by 90°) can be inserted into it and, after insertion, engages behind the undercut of the elongated hole 108 by a relative movement in the form of a rotational movement through 90°, so that the second fastening part 102 can subsequently no longer be pulled out of the elongated hole 108 and is thus positively fastened to it.
  • a release of this fastening of the second fastening part 102 to the first fastening part 101 is subsequently only possible if the second fastening part 102 is again rotated by 90° opposite to the first rotational movement and then pulled out of the elongated hole 108.
  • the second fastening part 102 is simultaneously frictionally fastened to the first fastening part 101 by a second fastening means 401.
  • the second fastening means 401 is a plate-shaped composite material with a thickness of 4 mm, with a bay-shaped recess 402 formed in the composite material.
  • the composite material comprises a plastic plate and a cardboard plate, each 2 mm thick, which rest flat against one another.
  • the plastic plate is made of the same material as the first fastening means 400.
  • the cardboard plate is made of elastically compressible cardboard.
  • the second fixing means 401 was arranged between the plate-shaped section 103 of the first fixing part 101 and the base section 202 of the receiving part 200 during the insertion of the transverse leg 110 and the fastening of the second fixing part 102, so that the second fixing part 102 had to be inserted into the first fixing part 101 against the elastic force of the second fixing means 401, so that the second fixing means 401 is then forced between the plate-shaped section 103 and the base section 202 after fastening, thereby producing a frictional connection.
  • the holding device shown in the figures is used to hold the refractory lining of a furnace in the form of an industrial furnace for the production of raw materials for the consumer goods industry at temperatures above 1,200° Celsius.
  • the first fastening part 101 of the fastening means 100 is welded to the furnace wall 10 such that the elongated hole 108 extends horizontally.
  • the second fastening means 102 is fastened to the first fastening part 101 with a positive and frictional fit, with the interposition of the second fixing means 401, as explained above.
  • the gap width of the gap of the receptacle 201 decreases downwards.
  • the receiving section 303 of the ceramic anchor stone 300 is fastened to the receptacle 201 in a form-fitting and friction-locking manner with the interposition of the first fixing means 400, as explained above.
  • a refractory lining of the furnace can then be held on several holding devices 1 which are accordingly fastened to the furnace wall 10.
  • the first and second fixing means 400, 401 lose their frictional engagement because the cardboard of the second fixing means 401 ignites and the plastic of the first and second fixing means 400, 401 melts. This increases the mobility of the holding device 1, as explained above, so that thermal expansion can be absorbed particularly well by the holding device. Nevertheless, even if the lining is later removed, the anchor stone 300 remains firmly attached to the holder 201 and the second fixing part 102 remains firmly attached to the first fixing part 101.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ceramic Engineering (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Clamps And Clips (AREA)
  • Finishing Walls (AREA)
  • Connection Of Plates (AREA)

Claims (14)

  1. Dispositif de maintien (1), destiné à maintenir une brique d'ancrage (300) céramique sur une paroi (10) de four, le dispositif de maintien (1) comprenant :
    1.1 des moyens de fixation (100), destinés à fixer le dispositif de maintien (1) sur une paroi (10) de four ;
    1.2 une pièce réceptrice (200), destinée à maintenir une brique d'ancrage (300) céramique sur le dispositif de maintien (1) ;
    1.3 les moyens de fixation (100) comprenant une première pièce de fixation (101) et une deuxième pièce de fixation (102),
    1.3.1 la première pièce de fixation (101) étant susceptible d'être fixée sur une paroi (10) de four et
    1.3.2 la deuxième pièce de fixation (102) étant fixée sur la pièce réceptrice (200) et
    1.3.3 la deuxième pièce de fixation (102) étant susceptible d'être fixée sur la première pièce de fixation (101) ;
    1.4 la première pièce de fixation (101) et la deuxième pièce de fixation (102) étant conçues de telle sorte que la deuxième pièce de fixation (102) soit susceptible d'être fixée sur la première pièce de fixation (101) par un déplacement relatif de la deuxième pièce de fixation (102) par rapport à la première pièce de fixation (101) ; caractérisé en ce que
    le déplacement relatif est un déplacement en rotation.
  2. Dispositif de maintien (1) selon la revendication 1, la première pièce de fixation (101) étant conçue en monobloc.
  3. Dispositif de maintien (1) selon au moins l'une quelconque des revendications précédentes, la deuxième pièce de fixation (102) étant conçue en monobloc.
  4. Dispositif de maintien (1) selon au moins l'une quelconque des revendications précédentes, la deuxième pièce de fixation (102) et la pièce réceptrice (200) étant conçues conjointement en monobloc.
  5. Dispositif de maintien (1) selon au moins l'une quelconque des revendications précédentes, la première pièce de fixation (101) comportant un orifice d'enfichage (108) et la deuxième pièce de fixation (102) comportant un segment d'enfichage (110) enfichable dans l'orifice d'enfichage (108) et la deuxième pièce de fixation (102) étant susceptible d'être fixée par complémentarité de forme sur la première pièce de fixation (101) par l'intermédiaire du segment d'enfichage (110) enfiché dans l'orifice d'enfichage (108), par le déplacement relatif de la deuxième pièce de fixation (102).
  6. Dispositif de maintien (1) selon la revendication 5, l'orifice d'enfichage (108) étant une fente avec une contre-dépouille.
  7. Dispositif de maintien (1) selon la revendication 6, le segment d'enfichage (110) étant enfichable dans la fente et étant susceptible d'être accroché par l'arrière, par le déplacement relatif de la contre-dépouille.
  8. Dispositif de maintien (1) selon au moins l'une quelconque des revendications précédentes, la deuxième pièce de fixation (102) étant susceptible d'être fixée par complémentarité de forme sur la première pièce de fixation (101), par le déplacement relatif.
  9. Dispositif de maintien (1) selon au moins l'une quelconque des revendications précédentes, la deuxième pièce de fixation (102) étant susceptible d'être fixée par friction sur la première pièce de fixation (101), par le déplacement relatif.
  10. Dispositif de maintien (1) selon la revendication 9, la deuxième pièce de fixation (102) étant susceptible d'être fixée par friction sur la première pièce de fixation (101), par un moyen de fixation (401).
  11. Four, comprenant les attributs suivants :
    11.1 une paroi (10) de four,
    11.2 un ou plusieurs dispositifs de maintien (1) selon au moins l'une quelconque des revendications précédentes, les dispositifs de maintien (1) étant fixés chacun par l'intermédiaire du moyen de fixation (100) sur la paroi (10) de four.
  12. Procédé, destiné à fixer un dispositif de maintien (1) selon au moins l'une quelconque des revendications 1 à 10 sur une paroi (10) de four d'un four, comprenant les étapes suivantes, consistant à:
    A. fixer la première pièce de fixation (101) sur la paroi (10) de four ;
    C. procéder à un déplacement en rotation de la deuxième pièce de fixation (102) par rapport à la première pièce de fixation (101), pour fixer la deuxième pièce de fixation (102) sur la première pièce de fixation (101).
  13. Procédé selon la revendication 12, comprenant l'étape additionnelle suivante après l'étape de procédé A et avant l'étape de procédé C :
    B. la réception de la deuxième pièce de fixation (102) dans la première pièce de fixation (101).
  14. Procédé selon la revendication 13, par enfichage de la deuxième pièce de fixation (102) dans la première pièce de fixation (101), la deuxième pièce de fixation (102) étant réceptionnée dans celle-ci.
EP22729725.6A 2021-05-27 2022-05-23 Dispositif de maintien permettant de maintenir une brique d'ancrage céramique sur une paroi de four, four comprenant un tel dispositif de maintien, procédé de fixation d'un tel dispositif de maintien sur une paroi de four Active EP4348115B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21176157 2021-05-27
PCT/EP2022/063923 WO2022248412A1 (fr) 2021-05-27 2022-05-23 Dispositif de retenue pour maintenir une pierre d'ancrage céramique sur une paroi de four, four comprenant un tel dispositif de retenue et procédé pour fixer un tel dispositif de retenue sur une paroi de four

Publications (3)

Publication Number Publication Date
EP4348115A1 EP4348115A1 (fr) 2024-04-10
EP4348115C0 EP4348115C0 (fr) 2025-04-16
EP4348115B1 true EP4348115B1 (fr) 2025-04-16

Family

ID=76159291

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Application Number Title Priority Date Filing Date
EP22729725.6A Active EP4348115B1 (fr) 2021-05-27 2022-05-23 Dispositif de maintien permettant de maintenir une brique d'ancrage céramique sur une paroi de four, four comprenant un tel dispositif de maintien, procédé de fixation d'un tel dispositif de maintien sur une paroi de four

Country Status (12)

Country Link
US (1) US20240337444A1 (fr)
EP (1) EP4348115B1 (fr)
CN (1) CN117337370A (fr)
BR (1) BR112023023899A2 (fr)
CA (1) CA3217231A1 (fr)
CL (1) CL2023003407A1 (fr)
CO (1) CO2023015471A2 (fr)
ES (1) ES3032047T3 (fr)
MX (1) MX2023013541A (fr)
PE (1) PE20240440A1 (fr)
PL (1) PL4348115T3 (fr)
WO (1) WO2022248412A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738217A (en) * 1970-10-08 1973-06-12 Omark Industries Inc Insulation hanger
US4317418A (en) * 1980-01-11 1982-03-02 Plibrico Company Tile hanger assembly
DE4014276C1 (en) * 1990-05-04 1992-01-02 Thyssen Stahl Ag, 4100 Duisburg, De Cladding anchoring for industrial furnaces - involves anchor brick held in position by Z=shaped clamp legs engaging plate and claw system
DE202009015430U1 (de) 2009-11-12 2010-01-28 Nebgen, Peter, Dipl.-Ing. Haltevorrichtung für einen keramischen Ankerstein

Also Published As

Publication number Publication date
US20240337444A1 (en) 2024-10-10
WO2022248412A1 (fr) 2022-12-01
CL2023003407A1 (es) 2024-05-31
CO2023015471A2 (es) 2024-02-05
CN117337370A (zh) 2024-01-02
PL4348115T3 (pl) 2025-08-04
EP4348115A1 (fr) 2024-04-10
EP4348115C0 (fr) 2025-04-16
CA3217231A1 (fr) 2022-12-01
ES3032047T3 (en) 2025-07-15
BR112023023899A2 (pt) 2024-01-30
PE20240440A1 (es) 2024-03-12
MX2023013541A (es) 2023-11-27

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