EP4348115A1 - Haltevorrichtung zur halterung eines keramischen ankersteins an einer ofenwand, ein eine solche haltevorrichtung umfassender ofen sowie ein verfahren zur befestigung einer solchen haltevorrichtung an einer ofenwand - Google Patents
Haltevorrichtung zur halterung eines keramischen ankersteins an einer ofenwand, ein eine solche haltevorrichtung umfassender ofen sowie ein verfahren zur befestigung einer solchen haltevorrichtung an einer ofenwandInfo
- Publication number
- EP4348115A1 EP4348115A1 EP22729725.6A EP22729725A EP4348115A1 EP 4348115 A1 EP4348115 A1 EP 4348115A1 EP 22729725 A EP22729725 A EP 22729725A EP 4348115 A1 EP4348115 A1 EP 4348115A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fastening part
- fastening
- holding device
- fastened
- furnace wall
- 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
Links
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
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- 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
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- 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
- 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
- the invention relates to a holding device for holding a ceramic anchor stone 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 held thereon are used to hold a refractory lining of an industrial furnace.
- a ceramic anchor stone is also occasionally referred to in the prior art as just a “ceramic anchor”.
- the refractory lining of the industrial furnace, which can be held by the ceramic anchor stone can in particular be a refractory ceramic lining.
- a refractory ceramic lining can be present both as an unshaped refractory material, ie, for example, in the form of a ceramic mass, and in the form of a shaped ceramic material, ie, for example, in the form of bricks.
- the refractory lining is arranged in relation to the ceramic anchor block in such a way that it can be held in a desired position by the ceramic anchor block.
- the ceramic anchor stone is 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 stone.
- the ceramic anchor stone is held on the furnace wall by a holding device fastened to the furnace wall.
- a holding device regularly has fastening means for fastening the holding device to the furnace wall.
- 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 which can be received in a seat of the receiving part in order to hold the anchor stone on the receiving part.
- the receiving parts known from the prior art regularly have a claw-like shape that encompasses the receiving section of the anchor block.
- a generic holding device is disclosed, for example, in EP 2 322 889 B1.
- the holding device In particular during the heating up and cooling down of the industrial furnace, but also during ongoing operation of the industrial furnace, the holding device is subjected to considerable temperature fluctuations, which lead to thermal expansion and shrinkage of the holding device.
- the holding device must therefore be designed in such a way that it is able to absorb thermal expansions of the holding device.
- a fastening means which comprises 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 in relation to one another, as a result of which thermal expansions of the holding device can be absorbed.
- the object of the present invention is to provide a holding device for holding a ceramic anchor stone on a furnace wall, by means of which thermal expansions of the holding device can be absorbed during furnace operation, and at the same time can be fastened easily and securely to the furnace wall.
- the invention is also based on the object of providing such a holding device which always enables the holding device to be securely fastened to the furnace wall even when a refractory lining is removed from the anchor brick after the furnace has been in operation, for example when the lining is being repaired.
- a holding device for holding a ceramic anchor stone on a furnace wall comprising:
- Fastening means for fastening the holding device to a furnace wall; a receiving part for holding a ceramic anchor brick on the holding device; the fastening means comprising a first fastening part and a second fastening part, the first fastening part being fastenable to an oven wall and the second fastening part being fastened to the receiving part, and the second fastening part being fastenable to the first fastening part; and wherein the first fastening part and the second fastening part are 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.
- the invention is based on the surprising finding that a holding device can be made available that achieves the aforementioned tasks if it comprises a first fastening part and a second fastening part, with the first fastening part being fastened to a furnace wall and the second fastening part being fastened to the receiving part.
- the second attachment part is further attachable to the first attachment part and the first fastening part and the second fastening part are designed at the same time 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.
- the fastening of the holding device to a furnace wall is particularly simple, in that only the second fastening part can be fastened to the first fastening part by a relative movement thereto.
- additional tools such as screws or the like
- the holding device can be fastened particularly securely to the furnace wall at the same time. Because to loosen the attachment, a relative movement of the second attachment part to the first attachment part is again necessary.
- the holding device can absorb thermal expansions during furnace operation.
- the relative movement is a rotary movement.
- a particular advantage of such a relative movement in the form of a rotary movement is that it can be carried out in a particularly simple manner and, in particular, also takes up little space. This can be the case in particular in the case of cramped spatial conditions on a furnace wall.
- such a relative movement in the form of a rotary movement can be clearly superior, in particular, to a relative movement in the form of a straight-line movement, since a straight-line movement can be disadvantageous, particularly in the case of cramped spatial conditions.
- a relative movement in the form of a rotary movement is particularly advantageous insofar as a particularly secure attachment can be achieved by this.
- a rotary movement must again be carried out that is unintentionally in the rule is not executed.
- the second fastening part can be fastened particularly securely to the first fastening part, in particular by means of a rotary movement, without this fastening being able to be unintentionally released again afterwards.
- the relative movement for fastening the first fastening part to the second fastening part requires a rotational movement with a rotational angle in the range from 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 rotary movement with a rotary angle of 90° or a rotary angle that is as close as possible to 90°.
- a rotation angle in the range from 30° to 150°, from 60° to 120° or in the range from 80° to 100° may also be required for attachment.
- first fastening part and the second fastening part can be designed in such a way that the second fastening part can be fastened to the first fastening part by a rotational movement with a rotational angle of the second fastening part relative to the first fastening part as described above.
- the first fastening part and the second fastening part are designed in such a way that the second fastening part (after fastening the second fastening part to the first fastening part according to the invention) can be detached from the first fastening part by a second movement relative to the first fastening part.
- the second fastening part can be detached again from the first fastening part by a relative movement that is opposite to the relative movement.
- the second fastening part can be fastened to the first fastening part by a first movement of the second fastening part relative to the first fastening part, and the second fastening part can also be detached from the first fastening part by a second relative movement of the second fastening part to the first fastening part, with the second relative movement preferably being opposite to that first relative movement is.
- the second fastening part can be detached from the first fastening part if the second fastening part can be detached from the first fastening part by means of an opposite relative movement, it can in turn preferably be provided that the second fastening part can be detached from the first fastening part by means of an opposite rotary movement .
- the second fastening part can be fastened to the first fastening part by a first rotational movement with an angle of rotation as above in a first rotational direction of the second fastening part relative to the first fastening part, and the second fastening part can also be fastened by a second rotational movement with a rotational angle corresponding to the first rotational movement however, in a direction of rotation of the second fastening part opposite to the first direction of rotation, it can be detached from the first fastening part.
- the first fastening part is designed in one piece.
- the first fastening part is preferably made of metal, particularly preferably made of steel.
- the first fastening part can be fastened to the furnace wall, for example by means of a material connection or a positive connection, ie for example by welding or a screw connection.
- the first fastening part is preferably designed in such a way 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 fastened to the first fastening part in a particularly simple manner.
- the first fastening part can particularly preferably be designed in the manner of a bridge or web.
- Such a bridge-like or web-like first fastening part in particular if it is also made in one piece and in particular made of steel, can be particularly robust, easy to fasten to the furnace wall and the second fastening part can also be particularly easy to fasten to such a first fastening part.
- the second fastening part is designed in one piece.
- the second fastening part can preferably consist of metal, particularly preferably of steel.
- the second fastening part and the receiving part can be designed in one piece together.
- 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.
- This also has a particular advantage when a ceramic anchor stone is held in the receiving part, since after the ceramic anchor stone has been received in the receiving part, the second fastening part, the receiving part and the ceramic anchor stone form a common element which can be fastened particularly easily to the first fastening part.
- the second fastening part can be fastened to the first fastening part in a form-fitting manner by a movement of the second fastening part relative to the first fastening part.
- a form-fit fastening also has the particular advantage that the second fastening part is secured against unintentional detachment from the first fastening part, for example if the second fastening part is accidentally bumped into when it is installed on the furnace wall or during furnace operation.
- the second fastening part In order to be able to achieve such a form fit between the second fastening part and the first fastening part, provision can be made, for example, for the second fastening part to have a section that can be inserted into the first fastening part and by means of which 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 again in its initial position, i.e. in the position in which it was when it was inserted into the Insertion was inserted, so before running the relative movement.
- such a relative movement, by which the plug-in section can be fastened in the plug-in opening can be a rotary 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 by a rotary movement in the insertion opening (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 plug-in section can then only be removed from the plug-in opening again when the plug-in section is in its initial position.
- the insertion opening is a slit with an undercut.
- the plug-in section can be inserted into the slot and the undercut can be gripped behind by the plug-in section as a result of the relative movement, ie in particular a rotary movement.
- the insertion section is positively secured in the slot and at the same time locked against loosening.
- the second fastening part can be fastened to the first fastening part in a particularly simple and secure manner by appropriately designed fastening parts.
- a particularly simple and effective development of this idea of the invention is that the slot is 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 transverse leg (i.e. the horizontal leg of the T) and the relative movement of the undercut can be gripped behind by the transverse leg .
- 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 in such a way that a ceramic anchor stone can be held on it.
- a ceramic anchor stone is held in the receiving part.
- the anchor stone consists of a ceramic material, preferably a refractory ceramic material.
- the ceramic anchor stone can consist of a ceramic material that is known from the prior art for ceramic anchor stones.
- the first fastening part is frictionally fastened to the second fastening part.
- the first fastening part is fastened to the second fastening part in a frictionally engaged manner by a fixing means.
- a fixing means can be provided in particular, which loses its fixing effect at the temperatures prevailing in the area of the receptacle during use of the holding device in oven operation.
- the fixing agent 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 fixative may 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 means of which the second fastening part is frictionally fastened to the first fastening part, is in particular that the first and second fastening parts can initially be simply and securely fastened to one another by friction during the arrangement of the holding device on a furnace wall, so that a Loosening the attachment of the second attachment part to the first attachment part can be prevented.
- the fixing means loses its frictional effect while the holding device is being used in oven operation (i.e. while the oven is heating up and during operation) (i.e.
- the first and second fastening parts are mutually at least one flexible to a certain extent, which means that thermally induced expansions can also be absorbed and thermally induced stresses can be reduced.
- the fixing agent is in the form of a plate.
- the fixing agent is in the form of a plate, it can preferably have a thickness in the range from 1 to 10 mm, more preferably a thickness in the range from 1 to 5 mm and even more preferably a thickness in the range from 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 fastened to the first fastening part particularly easily and securely with frictional engagement. Because in this respect it can be provided that 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 being exerted counter to the elastic force of the second fixing means. After the attachment of the second attachment part, as stated above, the first attachment part and the second attachment part are then frictionally connected to each other by the elastic force of the second fixing means.
- the fixing means comprises material that melts at the temperatures prevailing in the region of the first and second fastening part during use of the holding device in oven operation.
- a material can consist of a plastic, preferably a thermoplastic, particularly preferably, for example, 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 plastic, in particular a thermoplastic plastic, rubber, bitumen, cardboard, cardboard constructed as described above or a combination of several of these materials.
- the second fixing 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 be formed, for example, from a first, elastically compressible material and a second, non-compressible material.
- the second fastening part is fastened both positively (as explained in more detail above) and frictionally (as explained in more detail above) to the first fastening part.
- a furnace wall one or more of the holding devices according to the invention, wherein the holding devices are each fastened to the furnace wall via the fastening means.
- the holding devices can, as explained above, be fastened to the furnace wall via the fastening means.
- 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 that is used for the temperature treatment of goods, in particular for the production of starting materials for the basic materials or consumer goods industry, at over 600° Celsius, preferably also at over 1,000° C. and in particular also at over 1,200° Celsius.
- the furnace according to the invention can be further characterized in that it also has a furnace roof, with the holding devices according to the invention being fastened to the furnace roof via the fastening means.
- the invention also relates to a method for fastening one or more holding devices according to the invention to a furnace wall of a furnace, in particular a furnace according to the invention, which comprises the following steps:
- the first fastening part can be fastened to the furnace wall, for example with a material fit or with a form fit, that is to say it can be welded or screwed to it, for example.
- the second fastening part can then be fastened to the first fastening part.
- the second fastening part is fastened to the first fastening part by a movement of the second fastening part relative to the first fastening part.
- the relative movement can in particular be a rotary movement, in particular with the angles of rotation described in more detail above.
- the second fastening part can also be inserted into the first fastening part, as stated above, wherein, as stated 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 the method according to the invention is carried out, first the first fastening part is fastened to the furnace wall and then the second fastening part is inserted into the first fastening part. The movement of the second fastening part relative to the first fastening part can then be carried out.
- Figure 1 shows an exemplary embodiment of an inventive
- FIG. 2 shows the holding device according to FIG. 1 in a side view
- Figure 3 shows the holding device according to Figure 1 in a sectional view from above along the
- FIG. 4 shows the first fastening part of the holding device according to FIG. 1 in a perspective view
- FIG. 5 shows the receiving part and the second fastening part of the holding device according to FIG. 1 in a view from above;
- FIG. 6 shows the receiving part and the second fastening part of the holding device according to FIG. 1 in a perspective view obliquely from above;
- FIG. 7 shows the receiving part and the second fastening part of the holding device according to FIG. 1 in a further perspective view obliquely from above;
- FIG. 8 shows the receiving part and the second fastening part of the holding device according to FIG. 1 in a lateral sectional view
- FIG. 9 shows the anchor block of the holding device according to FIG. 1 in a side view
- FIG. 10 shows a first fixing means in a plan view
- FIG. 11 shows a second fixing means in a top view.
- the holding device is identified in its entirety with the reference number 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 stone 300 on the holding device 1 and a ceramic anchor stone 300.
- the furnace wall 10 is made of steel.
- the ceramic anchor stone 300 consists of a refractory ceramic material, as is known for ceramic anchor stones from the prior art.
- the ceramic anchor stone 300 extends along a longitudinal axis L from an end face 302 to an opposite, further end face 306 and has a cross-sectional area perpendicular to the longitudinal axis L that is essentially rectangular.
- the surface of the anchor stone 300 is profiled by means of spaced longitudinal ribs 301, which extend transversely to the longitudinal axis over the side surfaces of the anchor stone 300.
- a receiving section 303 of the ceramic anchor stone 300 is formed adjacent to the end face 302 of the ceramic anchor stone 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 which flank the end face 302 on two opposite side faces of the anchor stone, and of which one of the two rib-like profiles 304 can be seen in the figures ; the further rib-like profiling is arranged symmetrically to this rib-like profiling 304 on the opposite side of the anchor block 300 .
- the rib-like profiles 304 taper in a wedge shape in the same direction, in the arrangement of the holding device according to FIG. 1 downwards, ie in the direction of the effect of gravity. Overall, the receiving section 303 thus has an essentially T-shaped configuration.
- the ceramic anchor stone 300 is received in a receptacle 201 of the receptacle part 200 with the receptacle section 303 .
- 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 portion 202 arranged legs 203, 204 on.
- the legs 203, 204 initially extend parallel to one another away from the base section 202 in the same direction and each have an end section 206, 207 bent towards one another at their free end.
- 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 one another in one direction—downward in the arrangement of the holding device 1 shown in FIG.
- the legs 203, 204 enclose the receiving section 303.
- the receiving section 303 is designed with a form fit for the seat 201 and is also received with a form fit and at the same time with a friction fit in the seat 201 via a first fixing means 400 described in more detail below.
- the receiving part 200 To hold the ceramic anchor stone 300 on the receiving part 200, the receiving part 200, as shown in Figure 1, was arranged with a gap width of the seat 201 that decreased downwards and the ceramic anchor stone 300 was then inserted with its receiving section 303 from the top into the seat 201 until the receiving section 303, with the interposition of the first fixing means 400, rests over the entire surface against the receptacle 201, with the result that the receptacle 201 also acts as a stop for the receiving section 303 in this respect. The anchor stone 300 is then held securely in this position in the receiving part 200 due to the force of gravity.
- the receiving section 303 is held by a first fixing means 400 with a friction fit in the receptacle 201 .
- the first fixing means 400 is in the form of a 4 mm thick, solid, ie essentially non-compressible, plastic plate made of polyethylene.
- the first fixing means 400 was arranged between the end face 302 of the ceramic anchor block 300 and the surface 205 of the base section 202 facing the receptacle 201 during the insertion of the receiving section 303 into the receptacle 201, so that when the receiving section was inserted 303 in the receptacle 201 is then pushed between the end face 302 and the surface 205 and thereby creates 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 in such a way that it can be positively fastened to the first fastening part 101 by means of a relative movement in the form of a rotary movement.
- the first fastening part 101 is essentially designed in the manner of 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 extending away from the plate-shaped section 103 in the same direction away from the plate-shaped section 103,
- the plate-shaped section 103 of the first fastening part 101 is arranged at a distance from the oven wall 10 on the latter.
- the plate-shaped section 103 has a slot 108 in the form of a horizontally extending slot. Because of the distance between the plate-shaped section 103 and the furnace wall 10, the elongated hole is designed with an undercut.
- the second fastening part 102 and the receiving part 200 are designed as a one-piece steel part.
- the second fastening part 102 is designed as a T-shaped plug-in part, which 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 running transversely thereto at its distal end.
- the transverse leg 110 runs along the decreasing gap width of the receptacle 201, ie vertically in the arrangement of the holding device 1 according to FIG.
- the transverse leg 110 of the second fastening part 102 is dimensioned in such a way that when it runs along the course of the elongated hole 108 (i.e. compared to the illustration in FIGS figures rotated by 90°) can be inserted into it and after insertion by a relative movement in the form of a rotary movement by 90° engages behind the undercut of the slot 108, so that the second fastening part 102 can then no longer be pulled out of the slot 108 and is therefore fastened to it in a form-fitting manner .
- This attachment of the second attachment part 102 to the first attachment part 101 can then only be released if the second attachment part 102 is again rotated by 90° counter to the first rotational movement and then pulled out of the elongated hole 108 .
- the second fastening part 102 is also fastened to the first fastening part 101 in a frictionally engaged manner by a second fixing means 401 .
- the second fixing means 401 is present as a plate-shaped composite material with a thickness of 4 mm, with a recess 402 in the form of a bay being formed in the composite material.
- the composite material comprises a plastic plate and a cardboard plate, each 2 mm thick, which lie flat on top of each other.
- the plastic plate consists of the same material as the first fixing means 400.
- the cardboard plate consists of an elastically compressible cardboard.
- the second fixing means 401 was arranged between the plate-shaped section 103 of the first fastening part 101 and the base section 202 of the receiving part 200 while the transverse leg 110 was being inserted and the second fastening part 102 so that the second fastening part 102 was held against the elastic force of the second Fixing means 401 had to be inserted into the first fastening part 101, so that the second fixing means 401 is then pushed between the plate-shaped section 103 and the base section 202 after the fastening and thereby produces a frictional connection.
- the holding device shown in the figures serves to hold the refractory lining of a furnace in the form of an industrial furnace for the production of starting materials for the consumer goods industry at over 1,200° Celsius.
- the procedure for each of the holding devices is as follows:
- the first fastening part 101 of the fastening means 100 is welded to the furnace wall 10 in such a way that the elongated hole 108 extends horizontally.
- the second fastening means 102 is fastened to the first fastening part 101 in a positive and frictional manner with the interposition of the second fixing means 401, as explained above. In this fastened position of the second fastening part 102 on the first fastening part 101, the width of the gap in the receptacle 201 decreases downwards.
- the receiving section 303 of the ceramic anchor stone 300 is fastened to the seat 201 in a form-fitting and friction-locked manner with the interposition of the first fixing means 400, as explained above.
- a refractory lining of the furnace can then be held on a plurality of holding devices 1 correspondingly fastened to the furnace wall 10 .
- the first and second fixing means 400, 401 lose their frictional effect because the cardboard of the second fixing means 401 ignites and the plastic of the first and second fixing means 400, 401 melts.
- the mobility of the holding device 1 is increased, as explained above, so that thermal expansions can be absorbed particularly well by the holding device. Nevertheless, the attachment of the anchor stone 300 to the receptacle 201 and of the second attachment part 102 to the first attachment part 101 is retained even if the lining is later removed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Finishing Walls (AREA)
- Clamps And Clips (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21176157 | 2021-05-27 | ||
| PCT/EP2022/063923 WO2022248412A1 (de) | 2021-05-27 | 2022-05-23 | Haltevorrichtung zur halterung eines keramischen ankersteins an einer ofenwand, ein eine solche haltevorrichtung umfassender ofen sowie ein verfahren zur befestigung einer solchen haltevorrichtung an einer ofenwand |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4348115A1 true EP4348115A1 (de) | 2024-04-10 |
| EP4348115B1 EP4348115B1 (de) | 2025-04-16 |
| EP4348115C0 EP4348115C0 (de) | 2025-04-16 |
Family
ID=76159291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22729725.6A Active EP4348115B1 (de) | 2021-05-27 | 2022-05-23 | Haltevorrichtung zur halterung eines keramischen ankersteins an einer ofenwand, ein eine solche haltevorrichtung umfassender ofen sowie ein verfahren zur befestigung einer solchen haltevorrichtung an einer ofenwand |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20240337444A1 (de) |
| EP (1) | EP4348115B1 (de) |
| CN (1) | CN117337370A (de) |
| BR (1) | BR112023023899A2 (de) |
| CA (1) | CA3217231A1 (de) |
| CL (1) | CL2023003407A1 (de) |
| CO (1) | CO2023015471A2 (de) |
| ES (1) | ES3032047T3 (de) |
| MX (1) | MX2023013541A (de) |
| PE (1) | PE20240440A1 (de) |
| PL (1) | PL4348115T3 (de) |
| WO (1) | WO2022248412A1 (de) |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123389A (en) * | 1964-03-03 | biesecker | ||
| US1942863A (en) * | 1931-01-19 | 1934-01-09 | Johnstone James | Means for fixing furnace linings |
| US1941492A (en) * | 1931-10-28 | 1934-01-02 | A P Green Fire Brick Company | Anchor for refractory furnace linings |
| US2355196A (en) * | 1940-11-20 | 1944-08-08 | Victor F Zahodiakin | Fastening device |
| US2819693A (en) * | 1955-11-28 | 1958-01-14 | Robert A Rath | Refractory anchors and supporting hangers therefor |
| US3121273A (en) * | 1961-05-15 | 1964-02-18 | United Carr Fastener Corp | Quarter-turn fastener and assembly |
| US3295280A (en) * | 1964-04-09 | 1967-01-03 | S Obermayer Co | Furnace wall anchoring structures |
| GB1136662A (en) * | 1966-04-23 | 1968-12-11 | Gkn Screws Fasteners Ltd | Improvements in or relating to quick release fasteners |
| US3523395A (en) * | 1969-03-03 | 1970-08-11 | Johns Manville | Furnace construction system |
| 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 |
| US4592688A (en) * | 1983-08-12 | 1986-06-03 | Erico Products, Inc. | Insulation hanger and method |
| DE3525955A1 (de) * | 1985-07-18 | 1987-01-22 | Le Thanh Son Dipl Ing | Durchsteckverschraubung fuer einseitig zugaengliche verschraubungsstellen |
| 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 |
| US5862641A (en) * | 1996-01-06 | 1999-01-26 | Lea-Con, Inc. | Kiln anchor |
| US5620291A (en) * | 1996-02-16 | 1997-04-15 | Alcoa Fujikura Ltd. | Quick disconnect fastener |
| DE10049218C2 (de) * | 2000-09-28 | 2003-01-02 | Phoenix Contact Gmbh & Co | Elektronikgehäusesystem |
| US20100089788A1 (en) * | 2008-10-10 | 2010-04-15 | Mattel, Inc. | Product packaging with releasable fastener |
| DE202009015430U1 (de) * | 2009-11-12 | 2010-01-28 | Nebgen, Peter, Dipl.-Ing. | Haltevorrichtung für einen keramischen Ankerstein |
| TWI506207B (zh) * | 2010-04-15 | 2015-11-01 | 鴻準精密工業股份有限公司 | 固定結構 |
-
2022
- 2022-05-23 PE PE2023003060A patent/PE20240440A1/es unknown
- 2022-05-23 CA CA3217231A patent/CA3217231A1/en active Pending
- 2022-05-23 EP EP22729725.6A patent/EP4348115B1/de active Active
- 2022-05-23 BR BR112023023899A patent/BR112023023899A2/pt unknown
- 2022-05-23 MX MX2023013541A patent/MX2023013541A/es unknown
- 2022-05-23 WO PCT/EP2022/063923 patent/WO2022248412A1/de not_active Ceased
- 2022-05-23 PL PL22729725.6T patent/PL4348115T3/pl unknown
- 2022-05-23 CN CN202280034855.9A patent/CN117337370A/zh active Pending
- 2022-05-23 ES ES22729725T patent/ES3032047T3/es active Active
- 2022-05-23 US US18/564,589 patent/US20240337444A1/en active Pending
-
2023
- 2023-11-15 CL CL2023003407A patent/CL2023003407A1/es unknown
- 2023-11-16 CO CONC2023/0015471A patent/CO2023015471A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US20240337444A1 (en) | 2024-10-10 |
| MX2023013541A (es) | 2023-11-27 |
| CO2023015471A2 (es) | 2024-02-05 |
| WO2022248412A1 (de) | 2022-12-01 |
| CA3217231A1 (en) | 2022-12-01 |
| CN117337370A (zh) | 2024-01-02 |
| ES3032047T3 (en) | 2025-07-15 |
| BR112023023899A2 (pt) | 2024-01-30 |
| EP4348115B1 (de) | 2025-04-16 |
| PL4348115T3 (pl) | 2025-08-04 |
| EP4348115C0 (de) | 2025-04-16 |
| PE20240440A1 (es) | 2024-03-12 |
| CL2023003407A1 (es) | 2024-05-31 |
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