EP3211307B1 - Élément protecteur réfractaire - Google Patents

Élément protecteur réfractaire Download PDF

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Publication number
EP3211307B1
EP3211307B1 EP17158121.8A EP17158121A EP3211307B1 EP 3211307 B1 EP3211307 B1 EP 3211307B1 EP 17158121 A EP17158121 A EP 17158121A EP 3211307 B1 EP3211307 B1 EP 3211307B1
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EP
European Patent Office
Prior art keywords
protective refractory
refractory
segment
wall
blocks
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
EP17158121.8A
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German (de)
English (en)
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EP3211307A1 (fr
Inventor
Manfred Möller
Markus Horn
Victor Herz
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.)
Juenger and Graeter Feuerfestbau GmbH
Original Assignee
Juenger and Graeter Feuerfestbau GmbH
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Priority claimed from DE102016103443.6A external-priority patent/DE102016103443B4/de
Priority claimed from DE102016114177.1A external-priority patent/DE102016114177B4/de
Application filed by Juenger and Graeter Feuerfestbau GmbH filed Critical Juenger and Graeter Feuerfestbau GmbH
Publication of EP3211307A1 publication Critical patent/EP3211307A1/fr
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    • 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
    • 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
    • F23M5/02—Casings; Linings; Walls characterised by the shape of the bricks or blocks used
    • 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
    • F23M2900/00—Special features of, or arrangements for combustion chambers
    • F23M2900/05002—Means for accommodate thermal expansion of the wall liner

Definitions

  • the invention relates to a refractory segment for a refractory lining for attachment to a Walkergas employerwand, wherein the refractory segment has a receptacle over which the refractory segment medium or directly with the Bankgas representativeerwand can be brought into positive engagement, the refractory segment in a direction Y and in a extends substantially perpendicular to the direction Y extending Z and at least two refractory blocks, which lie one above the other in the direction Y substantially, wherein the refractory blocks each have a front side and a rear side with respect to a direction X, wherein the direction X substantially is perpendicular to the direction Z, wherein the back of the Bankgas constituerwand is zuwendbar.
  • the protective element is attached via an armature to the furnace wall and has two recesses which serve to receive protruding tubes of the furnace wall.
  • the WO 2015/001517 A1 shows a protective segment, in each case a refractory block is connected via four fasteners directly to the housing wall of a gas turbine.
  • the fasteners are each at one end with the housing wall in positive engagement, with the other end they hold the refractory block.
  • a protection segment is also from the WO 2010/105709 A2 known.
  • the bridge has no radius of curvature.
  • the fasteners hold the refractory blocks at the edge.
  • the WO 99/47874 A1 shows a protection segment for a combustion chamber.
  • This segment comprises a curved bridge consisting of a supporting structure and a Separating layer is formed.
  • the bridge carries at least two refractory blocks.
  • the refractory blocks are bolted to the bridge by bolts.
  • the shows EP 2 354 660 A2 a protection segment for a combustion chamber for a motor of a gas turbine.
  • the combustion chamber has a curved bridge.
  • This bridge carries at least two refractory blocks. Between the refractory blocks sealing elements made of ceramic or a metal alloy are provided, which are clamped over the refractory blocks.
  • the object of the invention is to design and arrange a refractory segment in such a way that simple assembly and optimum stability are ensured.
  • each two superposed refractory blocks are articulated via an indirectly installed connecting element, is achieved that at a pressure load of the refractory segment in direction Y. due to increased thermal expansion of the adjacent refractory wall compression of the refractory segment is possible. This compression of the refractory segment leads to a change in the relative position of the blocks or to a reduction in the bending radius or the pivot angle ⁇ . With a reduction of the bending radius or the Swivel angle ⁇ is accompanied by a deformation or change in the individual gaps between the individual refractory blocks.
  • the refractory segment Due to the articulated connection of the refractory blocks the refractory segment takes on decreasing the pressure due to cooling of the adjacent refractory wall back to the original shape or the original relative position of the blocks, so that the gaps between the refractory blocks assume their original form.
  • the refractory segment is primarily used to bridge over protrusions such as trusses, beams or other discontinuities.
  • the refractory segment can also serve to bridge any other Ausretesfuge without a projection as mentioned above, for example, would have to be bridged.
  • each two superposed refractory blocks are indirectly connected via a connecting element and movable relative to the Schugas herein so that at a pressure load of the refractory segment in direction Y due to increased thermal expansion of the adjacent refractory wall, a reversible change in the relative position of the refractory blocks is possible to each other, wherein at least two adjacent rows R1, R2 are each provided at least two in the direction Z adjacent refractory blocks and when a part of the refractory blocks of the first row R1 and the second row R2 is arranged offset with respect to the direction Y and
  • the direction Z has an overlap O1
  • the respective refractory block in the overlap O1 has a bearing portion, wherein at least one of two juxtaposed refractory blocks in the region of the bearing portion having a hinge opening, and when the connecting element is designed as a hinge pin which is connected to a refractory block and which is articulated in the hinge opening of the adjacent refractory
  • the locking blocks may be a separate component or an integral part of a refractory block.
  • the refractory blocks can be connected to one another by means of a rail which extends over at least one refractory block and a closing block and corresponding pin connections. It would also be possible, for example, a mutual tongue and groove connection between refractory block and lock block.
  • the hinge pin is a separate component or if the hinge pin is an integral part of the respective refractory block, which is inserted into the hinge opening of the adjacent refractory block.
  • the hinge pin at the swivel angle ⁇ , which arises under pressure load to adapt.
  • the embodiment with a separate component is advantageous.
  • a partial assembly of the articulated connection of the refractory segment outside the Schugas disposers is possible if the hinge pin is a separate component.
  • each two superposed refractory blocks are indirectly connected via a connecting element articulated and movable relative to the Schugas hereafterwand, so that when a pressure load of the refractory segment in the direction Y due to increased thermal expansion of the adjacent refractory wall, a reversible change in the relative position of the refractory blocks to each other is possible
  • the connecting element has a hinge with two hinge legs and a hinge axis, wherein the hinge on the respective hinge leg at least two hinged together in relation to the direction Y refractory blocks.
  • the hinge leg can have at least one hinge recess and the refractory block at least one block groove, wherein the block groove can be brought coaxially to the hinge recess, so that the hinge can be connected to the refractory block by means of a pin.
  • each two superposed refractory blocks are indirectly connected via a connecting element and movable relative to the Schugas hereafterwand, so that a pressure load of the refractory segment in the direction Y due to increased thermal expansion of the adjacent refractory wall a reversible change in the relative position of the refractory blocks to each other is possible
  • the connecting element has a joint leg and at least one hinge pin
  • the hinge leg has a pin bearing for the hinge pin
  • at least one refractory block has a hinge opening for the hinge pin
  • the refractory block and the hinge leg are hingedly connected by means of the hinge pin, and when the hinge leg is coupled to a second refractory block adjacent in direction Y.
  • the bolt bearing can be located on at least one bearing portion of the joint leg.
  • At least one of the refractory blocks may have on its front side a recess into which the connecting element at least partially insertable.
  • a corresponding articulated connection can be provided between the receptacle and the respective refractory block for the purpose of compensating for the relative movement between the respective refractory block and the heating gas container wall.
  • the receptacle is only elastically deformable and represents a compensation member which allows or ensures a compensation of the relative movement between the respective refractory block and the Schugas disposerwand.
  • each two superposed refractory blocks are indirectly connected via a connecting element articulated and movable relative to the Schugas interchangeerwand, so that at a pressure load of the refractory segment in the direction Y due to increased thermal expansion of the adjacent refractory wall, a reversible change in the relative position of the refractory blocks to each other is possible
  • the refractory segment has as a connecting element designed as a support member for refractory blocks bridge, the bridge a holding side for refractory blocks extending in a direction Y and extending in a direction substantially perpendicular to the direction Y direction Z, wherein at least two refractory blocks facing the back of the holding side are arranged on the bridge, wherein the respective refractory block with the bridge in positive engagement, wherein the positive engagement acts at least in a direction X which is perpendicular to the direction Y and / or normal to the holding side, the bridge having a curvature with at least one radius of
  • a wear-prone joint is dispensed with and the articulated connection realized by the deformability of the bridge itself.
  • the compression of the bridge is preferably in the elastic region of the bridge, so that when the pressure drops due to cooling of the adjacent refractory wall, the bridge assumes the original shape again.
  • the refractory blocks are subjected to pressure in the region of their rear side, that is to say the side on which they rest on the bridge, which, however, would not lead to excessive stress or failure of the respective refractory block.
  • the degree of change in the gap in the direction X is proportional to the distance of the respective refractory block to the bridge. Close to the bridge, the distance between the individual refractory blocks will almost not change. With increasing distance to the bridge in the radial direction X, the gap or the change of the gap during deformation increases proportionally to the distance.
  • the refractory blocks are slidably mounted on the bridge relative to the bridge, so that the respective fire protection block can avoid the resulting pressure.
  • the aforementioned compression of the bridge is preferably carried out in the elastic region of the bridge, so that when the pressure drops, for example, due to cooling of the adjacent fire wall, the bridge returns to its original shape and the fire protection blocks again assume the original position, thus again a reduction or a Closing the gap between the refractory blocks takes place.
  • the degree of change of the gap in direction X is proportional to the distance to the bridge. Close to the bridge, the distance between the individual refractory blocks will almost not change. With increasing distance to the bridge in the radial direction X, the gap or the change of the gap increases in proportion to the distance.
  • the radius of curvature of the bridge and thus of the refractory segment as a whole changes as a whole.
  • This change in the radius of curvature may result in different radii of curvature over different areas of the bridge in direction Y.
  • the bridge is preferably in one piece.
  • the refractory blocks are only attached to the bridge.
  • the refractory blocks are preferably fixed positively to the bridge. A positive connection with the Schugas thereerwand or other refractory blocks of the flat refractory lining of Bankgas employerwand is out of the question.
  • the radius of curvature extends over the entire bridge, i. H. the entire bridge is curved with the exception of the respective end provided shots.
  • the curvature can also vary over the course of the bridge. However, this does not apply to the direction or the sign of the curvature.
  • the refractory blocks are placed over the entire area of this curvature distributed on the outer holding side.
  • the term "outer" refers not only to the position opposite to the inside, but also to the direction of the radius of curvature. The holding side is further out.
  • the average radius of curvature that the refractory blocks describe is greater than the average radius of curvature of the bridge or a radius of curvature of the holding side.
  • the bridge may also have a V-shape with two legs with a relatively large radius of curvature or no radius of curvature and a connection point with a very small radius of curvature. Both legs could thus be provided with one refractory block.
  • the refractory segment is primarily used for bridging projections such as trusses, support elements or other obstacles.
  • the refractory segment can also serve to bridge any other Ausretesfuge without a projection as mentioned above, for example, would have to be bridged.
  • the bridge is formed of a flat profile made of metal or heat-resistant steel. Due to the increased demands on the elasticity of the bridge this is preferably made of heat-resistant steel or even made of heat-resistant spring steel. The requirements for the material of the bridge can thus be adapted to the operating temperatures on the one hand and the desired or necessary degree of deformation on the other hand.
  • the respective refractory block has a width B1-B6 with respect to the direction Y in the area of the rear side, the holding side in the direction Y having a length L which is at least as great as the sum of the widths B1-B6 of refractory blocks.
  • the refractory blocks arranged on the bridge cover most of the retaining side of the bridge.
  • the ends of the bridge which project in the direction of Y serve to secure them to the wall of the heating gas tank, such as an industrial furnace wall or a boiler wall. They are preferably protected by the adjacent parts of the adjacent refractory wall.
  • the number, and thus the width B1 - B6 of the refractory blocks used can vary.
  • the refractory blocks may also have different widths B1-B6 to influence the number and size of the resulting columns.
  • the refractory blocks are mounted displaceably on the bridge in the direction Y relative to the bridge.
  • the refractory blocks in the direction X thus to the container interior are firmly coupled with the bridge.
  • the refractory blocks may be slidably disposed with respect to direction Y within the bridge. This ensures that the refractory blocks, depending on the pressure conditions and due to the gravity in vertical mounting in accordance with the given conditions in the Y direction.
  • the refractory blocks come to rest against each other not only in the warm state when pressurized, but also in the cold state, at least when mounted vertically; the latter as stated in the area of its lower side at the level of the retaining side of the bridge itself.
  • the refractory blocks are arranged parallel to the bridge. In the case of vertical mounting, no positive connection with the bridge would also be necessary in a direction Z transverse to the direction Y, because adjacent refractory wall sections or adjacent refractory segments secure the position in the direction Z or form a stop.
  • At least one fastening element is provided on the bridge for each refractory block that is in positive engagement with the refractory block, or that on the bridge for each refractory block each pair of fasteners is provided, the edge with respect to the direction Z. at the bridge, opposite to the holding side is arranged.
  • a single fastener for the respective refractory block may be sufficient. This fastener would preferably be located centrally on the back to accommodate for the changing radii of curvature of the bridge.
  • the refractory block two opposite Has side surfaces which are bounded by the front and the back, wherein in the side surface a holding part is provided which is in positive connection with the fastening element at least in the direction X.
  • a holding part comes in the simplest case, a groove, a recess or in a corresponding manner a projection in question, which is in positive connection with the corresponding fastener.
  • the positive connection consists at least in the direction X.
  • a corresponding positive connection is also possible, but not necessary.
  • a positive connection in the direction Z is at least for horizontal mounting of the refractory segment anyway at least one side necessary.
  • the refractory block has a cross-section Q, which is trapezoidal or which is mutually concave-convex with respect to the direction Y or which is formed fan-shaped.
  • a trapezoidal cross-sectional shape Q By applying a trapezoidal cross-sectional shape Q, a refractory protection segment can be formed whose gaps ensure a closed gap between the individual refractory blocks even when cold in the presence of the base curvature of the bridge. The latter as already explained above due to the increase in the respective width B1-B6 with increasing radius, which ultimately justifies the trapezoidal shape.
  • the trapezoidal cross-sectional shape Q is chosen so that the gap is as closed as possible during a pressure load of the refractory segment in the direction Y during operation of the fuel gas tank.
  • a cross-sectional shape Q which is mutually concave-convex with respect to the direction Y, is advantageous in terms of coverage of adjacent refractory blocks both in the cold state at base curvature and especially in the hot state with reduced radius of curvature of the bridge.
  • the respectively concave side of a refractory block engages in the correspondingly convex side of the respective adjacent refractory block, so that in the radial direction or in the direction X, an overlap of adjacent refractory segments is guaranteed.
  • each bridge a receptacle is provided which is medium or directly connectable to an anchor of the Schugas notionerwand.
  • two receptacles are provided, so that the refractory segment or the bridge is attached on both sides with the adjacent refractory protective wall or Schugas hereerwand.
  • a floating bearing which is designed only to accommodate the pressure forces in the direction Y.
  • the bridge can be fixed to or on the Schugas hereerwand.
  • the bridge has openings, so that scavenging air can enter into the region of the holding side by means of the openings, wherein the gap between the bridge and the refractory blocks can be flushed.
  • a refractory lining comprising a plurality of refractory protective bricks and at least one refractory segment as described above.
  • a refractory segment according to one of the preceding claims is mounted on an inner side of the Schugas subjecterwand and if the refractory segment together with the Bankgas constituteerwand at least partially defines a scavenging air duct, wherein the Spülluftzu fürö réelle opens in the scavenging air duct.
  • the arrangement of a plurality of juxtaposed refractory segments of the type mentioned above leads to the formation of a channel between the Schugas constituteerwand to be protected and the refractory segments. This channel can be advantageously used to distribute purge gas, which is guided from the outside through the Schugas constitutionerwand, over the length L of the channel thus formed.
  • the respective bridge has openings for scavenging air, so that the scavenging air introduced into the channel via said openings also reaches the holding side of the bridge, thus the area between the bridge and the refractory segments for the purpose of protecting the bridge.
  • the scavenging air duct extends in the circumferential direction of the Kirby-Weinsky bricks and permits a distribution of the scavenging air over a partial circumference or the entire circumference.
  • an external air distribution channel which would have to be provided on the outside of the Schugas disclosederwand to be protected, absent.
  • the purging air is introduced at a central location from the outside through the Kirgas employederwand in the scavenging air duct and from there in the circumferential direction, thus distributed in the Z direction. This applies equally to round and rectangular or rectangular fuel gas containers, regardless of the term "circumference".
  • a refractory segment 1 after FIG. 1 has a bridge 3, which has a radius of curvature 3.4 in the cold state.
  • On the bridge 3 six refractory blocks 2.1 - 2.6 are arranged, which are placed in a direction Y of the bridge 3 running side by side.
  • the refractory blocks 2.1 - 2.6 are arranged on a holding side 3.3 of the bridge 3.
  • the refractory blocks 2.1 -2.6 are preferably at the height of the holding side 3.3 of the bridge 3 against each other.
  • the respective refractory block 2.1 -2.6 has a width B1 - B6, the embodiment according to FIG. 1 is the same size.
  • the sum of the widths B1-B6 or six times one of the widths B1-B6 of a refractory protection block 2.1-2.6 corresponds to a length L of the support side 3.3 of the bridge 3.
  • this holding side 3.3 is followed on both sides by a receptacle 3.1, via which the bridge 3 is connected to a heating gas container wall 5, not shown here (according to FIG. 3, 4) or an anchor (not shown) and fastened.
  • the bridge 3 has a plurality of brackets 3.2, via which the respective refractory block 2.1 -2.6 is held.
  • the refractory block 2.1 -2.6 a respective recess 2.7 in the form of a groove, in which the clip engages 3.2.
  • the respective bracket 3.2 and the respective groove 2.7 are each provided in pairs at the edge with respect to the direction Z, so that each refractory block 2.1-2.6 is held on both sides with respect to the direction Z.
  • the positive connection produced via the respective clamp 3.2 and the respective groove 2.7 acts both in the direction Z and in the direction X.
  • There is no positive connection in the direction Y so that the refractory blocks 2.1 - 2.6 are held displaceably on the bridge 3.3 in the direction Y. This ensures a relative movement of the refractory blocks 2.1 -2.6 with each other and relative to the bridge 3 in the direction Y, in particular in the case of pressurization as explained below.
  • the refractory blocks 2.1 -2.6 may also have a positive connection with the bridge 3 with respect to the direction Y. The latter applies in particular to the first refractory block 2.1 and the last refractory block 2.6, so that the refractory blocks 2.1 - 2.6 can not fall out during transport altogether.
  • the refractory blocks 2.1 - 2.6 shown here are rectangular in cross section, so that the drawn width B1 - B6, for example width B3, on the front 2.8 is the same size as the corresponding width at the height of the holding side 3.3 of the bridge 3 in the region of a respective back 2.9. of the refractory block 2.1 - 2.6.
  • the refractory segment 1 after FIG. 1 is used as a bridging element within a refractory lining 4 according to FIGS. 3, 4 used and undergoes especially when heating the refractory lining. 4 by the resulting thermal expansion from above or from below a compressive force P, which leads to a compression of the bridge 3.
  • the compression of the bridge 3 go as after the FIGS. 4a, 4b outlines a deformation and a reduction of the radius of curvature 3.4.
  • the respective refractory blocks 2.1 -2.6 assume a correspondingly new orientation, so that only the gap 7 between the refractory blocks 2.1 -2.6 increases.
  • FIG. 2 In the side view FIG. 2 are complementary and, for example, the widths B2, B6 of the refractory blocks 2.1, 2.6 referred to, as stated for all refractory blocks 2.1 - 2.6 are the same. Furthermore, an inner side is called 3.5, which faces the protective fire segment 1 to be protected Schugas notederwand 5 with inserted.
  • the bridge 3 also has, as described further below, several openings 3.6 for purging air.
  • the respective groove 2.7 is located in a respective side surface 2.10, 2.11 of the respective refractory block 2.1 - 2.6.
  • the radius of curvature 3.4 also vary over the course of the bridge 3 and z. B. be limited locally to a small area of the bridge 3. Deviating from the circular or round shape, for example, the side view, the bridge may accordingly have a V-shaped configuration.
  • the number of refractory bricks 4.1 could then be limited to two, because no radius would be covered and because the compression or deformation takes place only at the end of the legs. There is an overlap between adjacent Feuerfestschutzsteinen 4.1 or Feuerfestschutzblöcken 2.1, 2.2 before.
  • the bridge 3 has a plane of symmetry or an axis of symmetry S, which runs centrally to both recordings.
  • the Schugas constitutionerwand 5 is shown as an industrial furnace wall with a refractory lining 4 arranged thereon. Between two sections of the refractory lining 4 formed from a plurality of refractory bricks 4.1 are several refractory segments 1 side by side arranged in the direction Z, which form another portion of the refractory lining 4. As briefly explained above arises when heating the refractory lining 4 and the concomitant thermal expansion of a compressive force P on the refractory segment 1, which leads to a deformation, thus a reduction of the radius of curvature 3.4. This deformation is preferably carried out in the elastic region of the bridge 3, so that after cooling the basic shape, thus the radius of curvature 3.4 and thus the basic orientation of the individual refractory blocks 2.1 -2.6 is reached again.
  • the respective refractory segment 1 and the juxtaposed refractory segments 1 together with the Schugas electerwand 5 a scavenging air 6.
  • the Studgas representativeerwand 5 has a scavenging air supply opening 5.1, via which scavenging air is conveyed from the outside into the scavenging air duct 6.
  • the purging air can be distributed in the circumferential direction or in the direction Z of the purging air channel 6 via the purging air channel 6.
  • the purge air in the after FIG. 2 shown openings 3.6 of the bridge 3 and flush the bridge 3 in the region of its holding side 3.3, thus in the gap between the bridge 3 and the refractory blocks 2.1 -2.6.
  • the bridge 3 is attached to the respective receptacle between the adjacent refractory protective stone 4.1 and the Schugas notederwand 5.
  • the receptacle can only be plugged in between the refractory protection brick 4.1 and the heating gas tank wall 5 or, in addition, be in positive engagement with an armature of the heating gas tank wall 5.
  • FIGS. 4a and 4b is the above-described deformation, thus outlining the reduction of the radius of curvature 3.4 shown.
  • Refractory blocks 2.1 -2.6 are provided, which once have a trapezoidal cross-sectional shape Q (each on the left side) and a concave-convex shaped cross-sectional shape Q (each right side).
  • FIG. 4a the basic form of the bridge 3 with basic radius 3.4 can be seen in the cold state.
  • a trapezoidal cross-section Q in Figure 4a results in a gap 7 between the refractory blocks 2.1 -2.6, which is almost closed.
  • the radius of curvature 3.4 is reduced.
  • the respective refractory blocks 2.3 - 2.5 are reoriented so that the gap 7 between the refractory blocks 2.1 -2.6 increases.
  • the respective position of the respective refractory block 2.1 -2.6 at the bridge 3 remains primarily the same. Only the angular orientation will be different. Assuming a degree of freedom in the direction of Y as the FIGS. 1 and 2 described the individual refractory blocks 2.1 -2.6 in the case of vertical mounting as in the FIGS. 4a, 4b shown sliding downwards due to gravity, so even after FIG. 4b at an increased radius of curvature 3.4, the gap 7 between the refractory blocks 2.3 -2.5 would be closed.
  • the refractory segment 1 consists of two refractory blocks 2.1, 2.2 arranged next to each other in the direction Z.
  • the refractory blocks 2.1, 2.2 are in each case articulated on a bearing section 2.1A, 2.2A in approximately the middle of the refractory blocks 2.1, 2.2 by means of a hinge pin 9, which is placed in a hinge opening 2.10 connected with each other.
  • the relative position of the refractory blocks 2.1, 2.2 with respect to a hinge axis 9.1 defines a pivoting angle ⁇ .
  • this is attached to the heating gas tank wall 5 via the receptacle 3.1.
  • the receptacle 3.1 is formed elastically deformable and represents a preferably metallic compensation member, which ensures a compensation of the relative movement between the respective refractory block 2.1 - 2.6 and the Bankgas disperwand 5.
  • the respective refractory protection block 2.1 - 2.6 experiences a compressive force P in the respective end area 2.14 since the refractory blocks 2.1 - 2.6 are offset with respect to the direction Y. Since in this embodiment, the refractory blocks 2.1, 2.2 are arranged side by side in the direction Z and overlap over their length, the Bankgas disposerwand 5 is completely protected.
  • the respective refractory blocks 2.1, 2.2 have a fan-shaped cross section Q, so that in relation to the direction Z, even with a reduction of the swivel angle ⁇ , an overlap of the refractory blocks is always ensured.
  • FIG. 6 An excerpted side view of the schematic diagram of the refractory segment 1, the refractory blocks 2.1, 2.2 are each attached to the receptacle 3.1 in the end 2.14 on the Schugas representativeerwand 5. Due to the shortened shape of the refractory blocks 2.1, 2.2, there is a gap in the refractory segment 1, which according to Figure 7a is closed by means of a closing block 2.13.
  • a closing block 2.13 When applying the compressive force P on the refractory segment 1 in the direction Y, there is a change in the relative position of the refractory blocks 2.1, 2.2, thus pivoting about a hinge axis 9.1 with a reduction of the pivot angle ⁇ , as outlined by the dashed elements.
  • FIG. 7a a front view of the refractory segment 1, the refractory blocks 2.2, 2.1, 2.2 ', 2.1' are arranged side by side in the direction Z.
  • the refractory blocks 2.2, 2.1, 2.2 ', 2.1' are arranged offset in the region of the respective bearing section 2.2A, 2.1A, 2.2'A, 2.1'A, whereby an overlap O1 is ensured.
  • the refractory blocks 2.2, 2.1, 2.2 ', 2.1' each have the joint opening 2.2O, 2.1O, 2.2'O, 2.1'O in the region of the bearing sections 2.2A, 2.1A, 2.2'A, 2.1'A.
  • the articulated connection of the refractory blocks 2.2, 2.1, 2.2 ', 2.1' is realized by the hinge pin 9, which is placed in the hinge openings 2.2O, 2.1O, 2.2'O, 2.1'O, so that a pivoting of the refractory blocks 2.2, 2.1 , 2.2 ', 2.1' around the hinge axis 9.1 is possible.
  • To close the gaps both separate, designed as locking blocks 2.13 refractory blocks and alternatively an integral lock block 2.13 are provided.
  • the separate closing blocks 2.13 are each fastened with respect to the direction Z to the adjacent refractory blocks 2.2, 2.2 ', 2.1'.
  • the integral closing block 2.13 ' is an integral part of the refractory block 2.1.
  • FIG. 7b a schematic diagram of a side view of Figure 7a of the refractory segment 1, the refractory block 2.2 and the closing block 2.13 each have the trapezoidal cross-sectional shape Q.
  • Refractory block 2.2 and closing block 2.13 with respect to the cross-section Q are mutually concave-convex. This leads to the overlap U1 in the region of the gap 7 between the refractory block 2.2 and the closing block 2.13.
  • the hinge pin 9 is formed as a pivot pin 2.2Z, 2.1Z, 2.2'Z, wherein the pivot pin 2.2Z, 2.1Z, 2.2'Z and the joint openings 2.1O, 2.2'O, 2.1'O each integral part of the corresponding refractory blocks 2.2 , 2.1, 2.2 ', 2.1' are.
  • the pivoting of the refractory blocks 2.2, 2.1, 2.2 ', 2.1' about the hinge axis 9.1 is realized in that the pivot pin 2.2Z, 2.1Z, 2.2'Z of the respective refractory block 2.2, 2.1, 2.2 'in the joint opening 2.1O, 2.2' O, 2.1'O of its in relation to Z direction adjacent refractory block 2.1, 2.2 ', 2.1' is placed.
  • the gap above and below in the direction Y of the refractory blocks 2.2, 2.1, 2.2 ', 2.1' is also closed in each case by a closing block 2.13.
  • FIG. 9 is the after FIG. 9 upper part of the refractory segment 1 from three refractory blocks 2.1, 2.1 ', 2.2 and a closing block 2.13, wherein two of the refractory blocks 2.1, 2.1' and the closing block 2.13 are arranged side by side.
  • the closing block 2.13 is placed in the middle, being shortened in the direction Y, so that the bearing sections 2.1A, 2.1'A are accessible.
  • 9 lower refractory block 2.2 has the free bearing section 2.2A, the refractory blocks 2.1, 2.1 ', 2.2 are placed so that it comes to the overlap O1 of the bearing sections 2.1A, 2.1'A, 2.2A.
  • the refractory block 2.2 also has two integral pivot pins 2.2Z in the region of the bearing section 2.2A.
  • the outer refractory blocks 2.1, 2.1 ' have in the region of the bearing sections 2.1A, 2.1'A in each case the joint opening 2.1O, 2.1'O.
  • the pivot pins 2.2Z are placed in the hinge openings 2.1O, 2.1'O, whereby a pivoting about the hinge axis 9.1 is possible.
  • FIG. 10a has the refractory segment 1, here in a view from below, two refractory blocks 2.1, 2.2, which are hingedly connected by a hinge 3.
  • the hinge 3 is composed of a hinge axis 9 and two hinge legs 3.7, 3.7 'together, wherein the respective hinge leg 3.7, 3.7' is fixed to the corresponding refractory block 2.1, 2.2 via a bolt 10.
  • the gap 7 between the refractory blocks 2.1, 2.2 is different from FIG. 10b deliberately chosen very large for the sketch, to ensure a clear presentation.
  • the refractory segment 1 consists of three superimposed refractory blocks 2.1-2.3. Each two refractory blocks 2.1-2.3 are articulated via the hinge 3. The respective hinge 3 is attached to the back 2.9 of the refractory blocks 2.1-2.3 to protect it from direct heat.
  • the refractory blocks 2.1-2.3 also have a substantially trapezoidal cross section Q.
  • FIG. 11a also a view from below, the refractory segment 1 on two Feuerfestschutzblöcke 2.1, 2.2, which are articulated by means of a hinge leg 3 in combination with two hinge pins 9, 9 '.
  • the joint leg 3 each have a bolt bearing 3.9, 3.9 'on.
  • the refractory blocks 2.1, 2.2 each have a recess 2.12, 2.12 ', in which the joint leg 3 is placed in each case.
  • the corresponding refractory block 2.1, 2.2 In the area of overlaps O1 of joint legs 3 and the respective refractory block 2.1, 2.2, the corresponding refractory block 2.1, 2.2 each have two joint openings 2.1O, 2.2O.
  • the hinge pins 9, 9 ' are placed in the respective hinge opening 2.1O, 2.2O and the pin bearing 3.9, 3.9'.
  • FIG. 11b form three refractory blocks 2.1- 2.3 the refractory segment 1.
  • the refractory blocks 2.1- 2.3 each have a recess 2.12, in which the joint legs 3, 3 'are placed.
  • the after FIG. 11b lower refractory blocks 2.2, 2.3 are corresponding FIG. 11a hinged together on both sides. In this case, the joint leg 3 'connects the two refractory blocks 2.2, 2.3 via the hinge pins 9, 9'.
  • the after FIG. 11b Upper joint leg 3 is alternatively connected only to the upper refractory block 2.1 via the hinge pin 9. With the middle refractory block 2.2 of the joint leg 3 is rigidly connected, for example cast.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Claims (14)

  1. Élément protecteur réfractaire (1) pour un revêtement protecteur réfractaire (4) pour la fixation à une paroi de récipient de gaz combustible, l'élément protecteur réfractaire (1) présentant un logement (3.1), par lequel l'élément protecteur réfractaire (1) peut être directement ou indirectement amené dans une liaison par complémentarité de forme avec la paroi de récipient de gaz combustible (5), l'élément protecteur réfractaire (1) s'étendant dans une direction Y et dans une direction Z s'étendant de façon essentiellement perpendiculaire à la direction Y et présentant au moins deux blocs protecteurs réfractaires (2.1-2.6), lesquels se trouvent essentiellement les uns au-dessus des autres dans la direction Y, les blocs protecteurs réfractaires (2.1-2.6) présentant chacun un côté avant (2.8) et chacun un côté arrière (2.9) par rapport à une direction X, la direction X étant essentiellement perpendiculaire à la direction Z, le côté arrière (2.9) pouvant être tourné vers la paroi de récipient de gaz combustible (5), respectivement deux blocs protecteurs réfractaires (2.1-2.6) se trouvant l'un au-dessus de l'autre étant reliés indirectement de façon articulée par un élément de liaison (3) lors de la fixation à la paroi de récipient de gaz combustible, et étant déplaçables par rapport à la paroi de récipient de gaz combustible (5),
    de telle sorte qu'un changement réversible de la position relative des blocs protecteurs réfractaires (2.1-2.6) les uns par rapport aux autres est possible, lors d'une compression de l'élément protecteur réfractaire (1) dans la direction Y en raison d'une augmentation de la dilatation thermique de la paroi protectrice réfractaire (4) adjacente,
    caractérisé en ce qu'au moins deux rangées R1, R2, se trouvant l'une au-dessus de l'autre, se composant respectivement d'au moins deux blocs protecteurs réfractaires (2.2, 2.1, 2.2', 2.1') se trouvant les uns à côté des autres dans la direction Z sont prévues, et en ce qu'une partie des blocs protecteurs réfractaires (2.2, 2.1, 2.2', 2.1') de la première rangée R1 et de la deuxième rangée R2 sont disposés de façon décalée par rapport à la direction Y et présentent par conséquent un recouvrement O1 par rapport à la direction Z, le bloc protecteur réfractaire (2.2, 2.1, 2.2', 2.1') respectif présentant une section de palier (2.2A, 2.1A, 2.2'A, 2.1'A) dans la zone du recouvrement O1, au moins l'un parmi deux blocs protecteurs réfractaires (2.2, 2.1, 2.2', 2.1') se trouvant l'un à côté de l'autre dans la zone de la section de palier (2.2A, 2.1A, 2.2'A, 2.1'A) présentant une ouverture d'articulation (2.2O, 2.1O, 2.2'O, 2.1'O), et en ce que l'élément de liaison (3) est formé comme un axe d'articulation (9), lequel est relié à un bloc protecteur réfractaire (2.2, 2.1, 2.2', 2.1') et est monté de façon articulée dans l'ouverture (2.2O, 2.1O, 2.2'O, 2.1'O) du bloc protecteur réfractaire (2.2, 2.1, 2.2', 2.1') voisin.
  2. Élément protecteur réfractaire (1) selon la revendication 1,
    caractérisé en ce que
    l'axe d'articulation (9) est un composant séparé ou en ce que l'axe d'articulation (9) est une partie intégrante (2.2Z, 2.1Z, 2.2'Z) du bloc protecteur réfractaire (2.2, 2.1, 2.2') respectif, lequel est introduit dans l'ouverture d'articulation (2.1O, 2.2'O, 2.1'O) du bloc protecteur réfractaire (2.1, 2.2', 2.1') voisin.
  3. Élément protecteur réfractaire (1) pour un revêtement protecteur réfractaire (4) pour la fixation à une paroi de récipient de gaz combustible, l'élément protecteur réfractaire (1) présentant un logement (3.1), par lequel l'élément protecteur réfractaire (1) peut être directement ou indirectement amené dans une liaison par complémentarité de forme avec la paroi de récipient de gaz combustible (5), l'élément protecteur réfractaire (1) s'étendant dans une direction Y et dans une direction Z s'étendant de façon essentiellement perpendiculaire à la direction Y et présentant au moins deux blocs protecteurs réfractaires (2.1-2.6), lesquels se trouvent essentiellement l'un au-dessus de l'autre dans la direction Y, les blocs protecteurs réfractaires (2.1-2.6) présentant chacun un côté avant (2.8) et chacun un côté arrière (2.9) par rapport à une direction X, la direction X étant essentiellement perpendiculaire à la direction Z, le côté arrière (2.9) pouvant être tourné vers la paroi de récipient de gaz combustible (5), respectivement deux blocs protecteurs réfractaires (2.1-2.6) se trouvant l'un au-dessus de l'autre étant reliés indirectement de façon articulée par un élément de liaison (3) lors de la fixation à la paroi de récipient de gaz combustible, et étant déplaçables par rapport à la paroi de récipient de gaz combustible (5),
    de telle sorte qu'un changement réversible de la position relative des blocs protecteurs réfractaires (2.1-2.6) les uns par rapport aux autres est possible, lors d'une compression de l'élément protecteur réfractaire (1) dans la direction Y en raison d'une augmentation de la dilatation thermique de la paroi protectrice réfractaire (4) adjacente,
    caractérisé en ce que l'élément de liaison (3) présente une charnière (3) avec deux branches de charnière (3.7, 3.7') et un axe de charnière (9), la charnière (3) reliant de façon articulée au moins deux blocs protecteurs réfractaires (2.1-2.6) se trouvant l'un au-dessus de l'autre par rapport à la direction Y, par la branche de charnière (3.7, 3.7') respective.
  4. Élément protecteur réfractaire (1) pour un revêtement protecteur réfractaire (4) pour la fixation à une paroi de récipient de gaz combustible, l'élément protecteur réfractaire (1) présentant un logement (3.1), par lequel l'élément protecteur réfractaire (1) peut être directement ou indirectement amené dans une liaison par complémentarité de forme avec la paroi de récipient de gaz combustible (5), l'élément protecteur réfractaire (1) s'étendant dans une direction Y et dans une direction Z s'étendant de façon essentiellement perpendiculaire à la direction Y et présentant au moins deux blocs protecteurs réfractaires (2.1-2.6), lesquels se trouvent essentiellement l'un au-dessus de l'autre dans la direction Y, les blocs protecteurs réfractaires (2.1-2.6) présentant chacun un côté avant (2.8) et chacun un côté arrière (2.9) par rapport à une direction X, la direction X étant essentiellement perpendiculaire à la direction Z, le côté arrière (2.9) pouvant être tourné vers la paroi de récipient de gaz combustible (5), respectivement deux blocs protecteurs réfractaires (2.1-2.6) se trouvant l'un au-dessus de l'autre étant reliés indirectement de façon articulée par un élément de liaison (3) lors de la fixation à la paroi de récipient de gaz combustible, et étant déplaçables par rapport à la paroi de récipient de gaz combustible (5),
    de telle sorte qu'un changement réversible de la position relative des blocs protecteurs réfractaires (2.1-2.6) les uns par rapport aux autres est possible, lors d'une compression de l'élément protecteur réfractaire (1) dans la direction Y en raison d'une augmentation de la dilatation thermique de la paroi protectrice réfractaire (4) adjacente,
    caractérisé en ce que l'élément de liaison (3) présente une branche de charnière (3) et au moins un axe d'articulation (9, 9'), la branche de charnière (3) présentant un palier d'axe (3.9, 3.9') pour l'axe d'articulation (9, 9'), et en ce qu'au moins un bloc protecteur réfractaire (2.1 - 2.6) présente une ouverture d'articulation (2.10, 2.20) pour l'axe d'articulation (9, 9'), le bloc protecteur réfractaire (2.1 - 2.6) et la branche de charnière (3) étant reliés de façon articulée au moyen de l'axe d'articulation (9, 9'), et en ce que la branche de charnière (3) est couplée avec un deuxième bloc protecteur réfractaire (2.1-2.6) voisin dans la direction Y.
  5. Élément protecteur réfractaire (1) pour un revêtement protecteur réfractaire (4) pour la fixation à une paroi de récipient de gaz combustible, l'élément protecteur réfractaire (1) présentant un logement (3.1), par lequel l'élément protecteur réfractaire (1) peut être directement ou indirectement amené dans une liaison par complémentarité de forme avec la paroi de récipient de gaz combustible (5), l'élément protecteur réfractaire (1) s'étendant dans une direction Y et dans une direction Z s'étendant de façon essentiellement perpendiculaire à la direction Y et présentant au moins deux blocs protecteurs réfractaires (2.1-2.6), lesquels se trouvent essentiellement l'un au-dessus de l'autre dans la direction Y, les blocs protecteurs réfractaires (2.1-2.6) présentant chacun un côté avant (2.8) et chacun un côté arrière (2.9) par rapport à une direction X, la direction X étant essentiellement perpendiculaire à la direction Z, le côté arrière (2.9) pouvant être tourné vers la paroi de récipient de gaz combustible (5), respectivement deux blocs protecteurs réfractaires (2.1-2.6) se trouvant l'un au-dessus de l'autre étant reliés indirectement de façon articulée par un élément de liaison (3) lors de la fixation à la paroi de récipient de gaz combustible, et étant déplaçables par rapport à la paroi de récipient de gaz combustible (5),
    de telle sorte qu'un changement réversible de la position relative des blocs protecteurs réfractaires (2.1-2.6) les uns par rapport aux autres est possible, lors d'une compression de l'élément protecteur réfractaire (1) dans la direction Y en raison d'une augmentation de la dilatation thermique de la paroi protectrice réfractaire (4) adjacente,
    caractérisé en ce que
    a) l'élément protecteur réfractaire (1) présente, comme élément de liaison (3), un pont (3) formé comme élément support pour des blocs protecteurs réfractaires (2.1-2.6), le pont (3) présentant un côté de maintien (3.3) pour des blocs protecteurs réfractaires (2.1-2.6), lequel s'étend dans une direction Y et dans une direction Z s'étendant de façon essentiellement perpendiculaire par rapport à la direction Y ;
    b) les au moins deux blocs protecteurs réfractaires (2.1-2.6) sont disposés sur le pont (3) avec le côté arrière (2.9) orienté vers le côté de maintien (3.3) ;
    c) le bloc protecteur réfractaire (2.1-2.6) respectif se trouve en liaison par complémentarité de forme avec le pont (3), la liaison par complémentarité de forme ayant un effet au moins dans une direction X, laquelle est perpendiculaire à la direction Y et/ou perpendiculaire au côté de maintien (3.3) ;
    d) le pont (3) présente une courbure avec au moins un rayon de courbure (3.4), le rayon de courbure (3.4) s'étendant dans une direction X, la direction X étant essentiellement perpendiculaire par rapport à la direction Z.
  6. Élément protecteur réfractaire (1) selon la revendication 5,
    caractérisé en ce que
    les blocs protecteurs réfractaires (2.1-2.6) sont montés sur le pont (3) de façon déplaçable dans la direction Y relativement au pont (3).
  7. Élément protecteur réfractaire (1) selon la revendication 5 ou 6,
    caractérisé en ce qu'
    au moins un élément de fixation (3.2) est prévu sur le pont (3) pour chaque bloc protecteur réfractaire (2.1-2.6), lequel élément se trouve en liaison par complémentarité de forme avec le bloc protecteur réfractaire (2.1-2.6), ou en ce qu'une paire d'éléments de fixation (3.2) est prévue sur le pont (3) pour chaque bloc protecteur réfractaire (2.1-2.6), respectivement, laquelle est disposée de façon opposée au côté de maintien (3.3), sur le pont (3), sur le bord relativement à la direction Z.
  8. Élément protecteur réfractaire (1) selon la revendication 7,
    caractérisé en ce que
    le bloc protecteur réfractaire (2.1-2.6) respectif présente deux surfaces latérales opposées (2.10, 2.11), lesquelles sont délimitées par le côté avant (2.8) et le côté arrière (2.9), un élément de maintien (2.7) étant prévu dans la surface latérale (2.10, 2.11), lequel se trouve en liaison par complémentarité de forme avec l'élément de fixation (3.2), au moins dans la direction X.
  9. Élément protecteur réfractaire (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le bloc protecteur réfractaire (2.1-2.6) respectif présente une section Q, laquelle est formée de façon trapézoïdale ou est formée de façon alternativement concave-convexe par rapport à la direction Y ou est formée en éventail.
  10. Élément protecteur réfractaire (1) selon l'une des revendications 5 à 9,
    caractérisé en ce qu'
    un logement (3.1) est prévu respectivement sur le pont (3) du côté de l'extrémité par rapport à la direction Y ou sur au moins un des blocs protecteurs réfractaires (2.1-2.6) extérieurs par rapport à la direction Y, lequel logement peut être relié directement ou indirectement avec une tige d'ancrage de la paroi de récipient de gaz combustible (5).
  11. Élément protecteur réfractaire (1) selon l'une des revendications 5 à 10,
    caractérisé en ce que
    le pont (3) présente des ouvertures (3.6), de telle sorte que de l'air de balayage peut entrer dans la zone du côté de maintien (3.3) par les ouvertures (3.6), la fente entre le pont (3) et les blocs protecteurs réfractaires (2.1-2.6) pouvant être balayée.
  12. Revêtement protecteur réfractaire (4) d'une paroi de récipient de gaz combustible (5) se composant de plusieurs pierres protectrices réfractaires (4.1) et au moins avec un élément protecteur réfractaire (1) selon l'une des revendications précédentes.
  13. Paroi de récipient (5) avec une ouverture d'admission d'air de balayage (5.1) en vue de l'admission d'air de balayage provenant de l'extérieur du récipient de gaz combustible,
    caractérisé en ce qu'
    un élément protecteur réfractaire (1) selon l'une des revendications 1 à 11 est monté sur un côté intérieur (5.2) de la paroi de récipient de gaz combustible (5) et en ce que l'élément protecteur réfractaire (1) délimite au moins partiellement un canal d'air de balayage (6), conjointement avec la paroi de récipient de gaz combustible (5), l'ouverture d'admission d'air de balayage (5.1) débouchant dans le canal d'air de balayage (6).
  14. Paroi de récipient de gaz combustible (5) selon la revendication 13,
    caractérisé en ce que
    le canal d'air de balayage (6) s'étend dans la direction circonférentielle de la paroi de récipient de gaz combustible (5) devant être protégée sur au moins plusieurs rangées verticales de pierres protectrices réfractaires (4.1) et permet une distribution de l'air de balayage sur une partie de la circonférence ou sur toute la circonférence.
EP17158121.8A 2016-02-26 2017-02-27 Élément protecteur réfractaire Active EP3211307B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016103443.6A DE102016103443B4 (de) 2016-02-26 2016-02-26 Feuerfestschutzsegment
DE102016114177.1A DE102016114177B4 (de) 2016-04-15 2016-08-01 Feuerfestschutzsegment

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Publication Number Publication Date
EP3211307A1 EP3211307A1 (fr) 2017-08-30
EP3211307B1 true EP3211307B1 (fr) 2019-06-05

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883297A (en) * 1973-04-09 1975-05-13 Bruun & Soerensen Frameworks for shielding devices

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Publication number Priority date Publication date Assignee Title
JP4172913B2 (ja) 1998-03-19 2008-10-29 シーメンス アクチエンゲゼルシヤフト 燃焼器用壁セグメントおよび燃焼器
EP1507117A1 (fr) * 2003-08-13 2005-02-16 Siemens Aktiengesellschaft Chambre de combustion, notamment chambre de combustion pour turbine à gaz
US8446929B2 (en) * 2007-02-12 2013-05-21 Allan J. MacRae Furnace refractory brick hearth system
EP2236928A1 (fr) 2009-03-17 2010-10-06 Siemens Aktiengesellschaft Elément de bouclier thermique
US8359865B2 (en) 2010-02-04 2013-01-29 United Technologies Corporation Combustor liner segment seal member
ITMI20131115A1 (it) 2013-07-03 2015-01-04 Ansaldo Energia Spa Piastrella per il rivestimento di camere di combustione, in particolare di impianti per la produzione di energia elettrica a turbina a gas, e camera di combustione comprendente detta piastrella
DE102013018936B4 (de) 2013-11-12 2022-01-13 Saint-Gobain Industriekeramik Rödental GmbH Ofenwandanordnung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883297A (en) * 1973-04-09 1975-05-13 Bruun & Soerensen Frameworks for shielding devices

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