EP1470367B1 - Plaque pour systeme de protection pour paroi de tube de chaudiere et systeme de protection pour paroi de tube de chaudiere - Google Patents

Plaque pour systeme de protection pour paroi de tube de chaudiere et systeme de protection pour paroi de tube de chaudiere Download PDF

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Publication number
EP1470367B1
EP1470367B1 EP03704487A EP03704487A EP1470367B1 EP 1470367 B1 EP1470367 B1 EP 1470367B1 EP 03704487 A EP03704487 A EP 03704487A EP 03704487 A EP03704487 A EP 03704487A EP 1470367 B1 EP1470367 B1 EP 1470367B1
Authority
EP
European Patent Office
Prior art keywords
recess
tube wall
boiler tube
plate
board
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.)
Expired - Lifetime
Application number
EP03704487A
Other languages
German (de)
English (en)
Other versions
EP1470367A1 (fr
Inventor
Stephan Mulch
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Juenger and Graeter Feuerfestbau GmbH filed Critical Juenger and Graeter Feuerfestbau GmbH
Publication of EP1470367A1 publication Critical patent/EP1470367A1/fr
Application granted granted Critical
Publication of EP1470367B1 publication Critical patent/EP1470367B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/08—Cooling thereof; Tube walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10—Water tubes; Accessories therefor
    • F22B37/107—Protection of water tubes
    • F22B37/108—Protection of water tube walls
    • 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
    • F27D1/12—Casings; Linings; Walls; Roofs incorporating cooling arrangements

Definitions

  • the invention relates to a plate for a protection system for a boiler tube wall having a back, a front and the rear and front connecting sides and a protection system for a boiler tube wall with a fixed to the boiler tube wall holding member with through hole, a plate and a through the through-hole by anchoring element ,
  • Such plates and protective systems are used in incinerators for protecting boiler tube walls from flue gas.
  • WO 00/57106 A discloses a plate for a protection system for a boiler wall wherein a recess for receiving a holding element is provided on the back.
  • the invention is based on the technical problem of simplifying the known protection system and making it more stable.
  • the plate according to the invention has on its rear side a recess for receiving a holding element. Installed in a protective system, the plate is thus not supported with its lower side on the support member but is hung with the recess on the support member. The holding element is completely protected by the plate from the flue gas. Furthermore, in the case of several plates installed side by side or one above the other, no gaps remain through the holding elements. The plates can be placed directly against each other without a gap, so that between the plates either no or only very little mortar or joint filling material is used for gap filling. This increases the stability of the protection system.
  • the plate according to the invention has a bore which leads from one side to the recess. This hole is used when installing the plate of the introduction of an anchoring element that anchors the plate to the support member. Since the anchoring element is inserted from one side, a full-surface front remains in contact with the flue gas. Even if the hole in the built Condition is filled with mortar, this mortar is not in direct contact with the flue gas.
  • the plates can be installed directly superposed so that there is no gap through which flue gas could flow from the front along the sides.
  • a plate means any body used in boiler tube wall protection systems to protect the boiler tube walls, namely any body placed on the flue gas side of the boiler tube wall for protection against flue gas.
  • These are in particular stones made of refractory materials.
  • any contouring of the back of the plate is understood, which allows mounting of the plate on a protruding from a boiler tube wall holding element.
  • Hooking means plugging the plate with its recess on a holding element. This can, depending on the mounting position of the plate, protrude from a vertical or at an angle to the vertical boiler tube wall.
  • the recess in the planes parallel to the front surface has a rectangular cross-section, wherein particularly preferably the areas adjacent to the back, the recess defining surfaces perpendicular to the front.
  • a particularly good stability of a composite wall composed of these panels is achieved for a boiler tube wall when one side at an angle of less than 90 °, or more than 270 ° to Front is aligned, in particular at an angle of 45 ° or 315 °.
  • the chamfered side is in each case placed on another, opposite bevelled side, so that these bevelled sides lie flat on one another.
  • the plates mutually support and counteract a rotation of the plate.
  • the inclination of the installation of the plates is simplified.
  • the plates can also be arranged partially overlapping over a stepped joint.
  • the sides may be formed as surfaces extending substantially perpendicular to the front.
  • the angled sides interlock to stabilize and position the plate, plates with stepped sides also interlock.
  • the plate may have a blind bore which continues from the recess.
  • a protective system for a boiler tube wall with a fixed to the boiler tube wall holding member with through hole, a plate and a through the through hole anchoring element is designed such that the plate on the boiler tube wall facing the rear side has a holding element receiving recess that the plate has a bore which leads from one side of the plate to the recess, and that one end of the anchoring element projects into the bore.
  • Holding elements are any elements that can be attached to a boiler tube wall and can carry a pushed with their recess on them plate when this plate is anchored by an anchoring element in a through hole of this element.
  • the holding elements are flat, prism-shaped, elongated steels, which are welded onto the boiler tube wall (webs). Above all, the steels may have rectangular surfaces, but they may also have trapezoidal surfaces on two opposite or more opposite surfaces.
  • the holding element is preferably attached to pipe fins, which between the pipes of the Boiler tube wall are arranged.
  • the longitudinal axis of the holding element is arranged perpendicular to the surface of the boiler tube wall, in particular of the tube fin.
  • the advantages of the invention are achieved in protection systems which have only one plate. As a rule, however, a boiler tube wall is protected by a wall of plates arranged one above the other and next to one another.
  • the advantages of the invention are particularly achieved when all plates of the protection system are attached to the principle of the invention on the boiler tube wall.
  • the plates can be directly, without significant gap up and next to each other. But they can also be set with a gap.
  • the possibly existing gap between the plates, the gap between a plate and the boiler tube wall, the bore, as well as the recess may be filled with mortar to improve the heat transfer and the protection against flue gas.
  • the panels can also be poured in the assembled state with concrete or mortar. However, a mortar-free installation is also possible.
  • the cross section of the recess in each plane perpendicular to the longitudinal axis of the holding element is greater by a multiple than the cross section of the holding element in the same plane.
  • the area of a rectangle encompassed by boundary surfaces of the recess adjoining the rear side is many times greater than the cross section of the retaining element lying in the same plane.
  • the recess has the same width as a flat formed holding element, however, the recess is longer than the thickness of the holding element.
  • the plate can then be pushed onto the holding element, are pushed perpendicular to the longitudinal axis of the holding member in the longitudinal direction of the recess in the desired position.
  • the thus defined surface of the recess is more than one and a half times, in particular more than three times larger than the cross section of the holding element.
  • a plate 1 is connected via an anchoring element 2 with a holding element 3.
  • the holding element 3 is welded onto the tube fin 4 of a boiler tube wall 5.
  • the holding element 3 is seated in a recess 6 of the plate 1.
  • the anchoring element 2 is inserted in a arranged in the region of the recess 6 in the holding element 3 through hole 7.
  • One end 2a of the anchoring element 2 protrudes into a bore 8, from the recess 6 to a Page 9 of the plate 1 leads.
  • the other end 2b of the pin-like anchoring element 2 protrudes into a blind bore 10, which continues from the recess 6.
  • the holding element 3 is formed as a flat, elongated web whose longitudinal axis is aligned perpendicular to the pipe fin 4 and thus the boiler tube wall 5. At its outer end, the holding element 3 is rounded.
  • the surface of the recess 6 has in a plane parallel to the front 11, bounded by the rear side 12 adjacent boundary surfaces the shape of a rectangle.
  • the base of the recess 6 is formed semi-cylindrical.
  • the width B of the recess 6 is insignificantly greater than the width B of the holding member 3, to allow easy insertion of the holding member 3 in the recess 6.
  • the length L of the recess is many times greater than the thickness d of the holding element. 3
  • the holding element 3 To mount the plate 1, this is hung on the holding element 3 so that the holding element 3 is inserted into the recess 6.
  • the plate sits 1 with its lower side 9b on the upper side of the next lower plate, not shown, and with its right side 9c on the left side of the next right, also not shown plate on.
  • the steps formed in the sides of the plates lead to a snug fit of the plates.
  • the holding element 3 may be mounted slightly above or below the desired position on the pipe fin 4.
  • the holding element 3 can be well inserted into the recess 6 due to the much greater length L of the recess 6 in relation to the thickness d of the holding element 3.
  • the plate 1 can also be hung on the holding element 3 during assembly in a vertical mounting position. Then, the upper, limiting surface of the recess 6 in the longitudinal direction L sits on the upper surface of the retaining element 3 (see FIG. The possibly remaining between the so hung on the support member 3 plate 1 and the next lower plate remaining gap is filled with mortar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
  • Supports For Pipes And Cables (AREA)
  • Finishing Walls (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Claims (10)

  1. Plaque pour un système de protection d'une paroi (5) de tube de chaudière, avec une face arrière (12), une face avant (11) et des faces latérales (9, 9a, 9b, 9c) reliant la face arrière (12) et la face avant (11),
    dans laquelle un évidement (6) destiné à recevoir un organe de support (3) est prévu dans la face arrière (12),
    caractérisée en ce qu'un alésage (8) conduit d'une face latérale (9) à l'évidement (6).
  2. Plaque selon la revendication 1, caractérisée en ce qu'une face latérale est réalisée comme une surface, et fait un angle de moins de 90° par rapport à la face avant.
  3. Plaque selon la revendication 1, caractérisée en ce qu'une face latérale (9, 9a, 9b, 9c) est réalisée comme une surface (16, 17) sensiblement perpendiculaire à la face avant (11).
  4. Plaque selon la revendication 3, caractérisée en ce qu'une face latérale (9, 9a, 9b, 9c) présente un étage (18) sensiblement parallèle à la face avant (11).
  5. Plaque selon l'une des revendications 1 à 4, caractérisée en ce que la face arrière (12) est adaptée à la forme d'une paroi (5) de tube de chaudière.
  6. Système de protection d'une paroi (5) de tube de chaudière, avec un organe de support (3) fixé à la paroi (5) de tube de chaudière, avec un alésage traversant (7), une plaque (1) et un organe d'ancrage (2) passant dans l'alésage traversant (7), dans lequel la plaque (1) présente une face arrière (12), une face avant (11) et des faces latérales (9, 9a, 9b, 9c) reliant la face arrière (12) et la face avant (11), caractérisé en ce que
    - la plaque (1) présente un évidement (6) de réception de l'organe de support (3) sur sa face arrière (12) tournée vers la paroi (5) de tube de chaudière,
    - la plaque (1) présente un alésage (8) qui conduit d'un face latéral (9) de la plaque (1) à l'évidement (6), et
    - une extrémité (2a) de l'organe d'ancrage (2) s'engage dans l'alésage (8).
  7. Système de protection selon la revendication 6, caractérisé en ce que la section transversale de l'évidement (6) est, dans chaque plan perpendiculaire à l'axe longitudinal de l'organe de support (3), plusieurs fois plus grande que la section transversale de l'organe de support (3) dans le même plan.
  8. Système de protection selon la revendication 6 ou 7, caractérisé en ce qu'un alésage borgne (10) prolonge l'évidement (6), et une autre extrémité (2b) de l'organe d'ancrage (2) s'engage dans l'alésage borgne (10)
  9. Système de protection selon l'une des revendications 6 à 8, caractérisé en ce que l'organe d'ancrage (2) est conique ou cylindrique.
  10. Système de protection selon l'une des revendications 6 à 9, avec une plaque selon l'une des revendications 1 à 5.
EP03704487A 2002-02-02 2003-01-29 Plaque pour systeme de protection pour paroi de tube de chaudiere et systeme de protection pour paroi de tube de chaudiere Expired - Lifetime EP1470367B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10204240A DE10204240B4 (de) 2002-02-02 2002-02-02 Platte für ein Schutzsystem für eine Kesselrohrwand sowie Schutzsystem für eine Kesselrohrwand
DE10204240 2002-02-02
PCT/EP2003/000871 WO2003067154A1 (fr) 2002-02-02 2003-01-29 Plaque pour systeme de protection pour paroi de tube de chaudiere et systeme de protection pour paroi de tube de chaudiere

Publications (2)

Publication Number Publication Date
EP1470367A1 EP1470367A1 (fr) 2004-10-27
EP1470367B1 true EP1470367B1 (fr) 2007-10-03

Family

ID=27588267

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03704487A Expired - Lifetime EP1470367B1 (fr) 2002-02-02 2003-01-29 Plaque pour systeme de protection pour paroi de tube de chaudiere et systeme de protection pour paroi de tube de chaudiere

Country Status (5)

Country Link
EP (1) EP1470367B1 (fr)
AT (1) ATE374907T1 (fr)
AU (1) AU2003206794A1 (fr)
DE (2) DE10204240B4 (fr)
WO (1) WO2003067154A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2356914T3 (es) * 2006-07-25 2011-04-14 Siemens Aktiengesellschaft Disposición de pantalla calefactora, en particular para una turbina de gas.
DE102009039390A1 (de) * 2009-08-31 2011-03-03 Saint-Gobain Industriekeramik Düsseldorf Gmbh Korrosionsschutzkörper
DE102013018936B4 (de) 2013-11-12 2022-01-13 Saint-Gobain Industriekeramik Rödental GmbH Ofenwandanordnung
LU100107B1 (en) * 2017-02-22 2018-10-02 Wurth Paul Sa Cooling Panel for Metallurgical Furnace
KR102012499B1 (ko) * 2018-02-22 2019-09-20 두산중공업 주식회사 화력발전용 보일러 나선형 수냉벽의 하중 지지구조
JP2022150907A (ja) * 2021-03-26 2022-10-07 日本碍子株式会社 耐火タイル及び保護用耐火タイルシステム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1251356A (fr) * 1959-12-08 1961-01-20 Electro Refractaire éléments de voûte suspendue pour fours industriels et autres applications
DE4007662C1 (fr) * 1990-03-10 1991-05-23 Juenger + Graeter Gmbh & Co. Feuerfestbau, 6830 Schwetzingen, De
DE4108754A1 (de) * 1991-03-18 1992-09-24 Schweiss Service Detlef Koeste Stuetzlasche fuer platten zum bekleiden von flossenrohren und mit solchen laschen versehene flossenrohrwand eines dampferzeugers
DE19804311A1 (de) * 1998-02-04 1999-08-05 Juenger & Graeter Gmbh Feuerfe Verankerungsvorrichtung für Stahlrohraggregate abdeckende Steinplatten
WO2000057106A1 (fr) * 1999-03-19 2000-09-28 Saint-Gobain Ceramics And Plastics, Inc. Systeme de tuiles refractaires destine a la protection d'un tube de chaudiere/echangeur de chaleur

Also Published As

Publication number Publication date
ATE374907T1 (de) 2007-10-15
EP1470367A1 (fr) 2004-10-27
WO2003067154A1 (fr) 2003-08-14
DE10204240B4 (de) 2004-07-01
DE50308319D1 (de) 2007-11-15
AU2003206794A1 (en) 2003-09-02
DE10204240A1 (de) 2003-08-14

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