WO2005064255A1 - Hitzeschutzkörper - Google Patents
Hitzeschutzkörper Download PDFInfo
- Publication number
- WO2005064255A1 WO2005064255A1 PCT/EP2004/012914 EP2004012914W WO2005064255A1 WO 2005064255 A1 WO2005064255 A1 WO 2005064255A1 EP 2004012914 W EP2004012914 W EP 2004012914W WO 2005064255 A1 WO2005064255 A1 WO 2005064255A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- groove
- heat protection
- protection body
- section
- holding element
- Prior art date
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
- F23M5/08—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
- F23M5/02—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
- 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
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
- F27D1/045—Bricks for lining cylindrical bodies, e.g. skids, tubes
-
- 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
-
- 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
- F27D1/145—Assembling elements
Definitions
- the invention relates to a heat protection body for a furnace inner wall with a front side, a rear side and edge sides connecting the front side to the rear side, and a protection system for a boiler tube wall with at least one holding element projecting from the boiler tube wall and at least one heat protection body held by the holding element.
- the inner walls of furnaces are usually lined, in order to protect them from overheating which is damaging to the material.
- the mostly plate-shaped heat protection bodies on their rear side facing the furnace wall have a recess in the form of a hole or groove into which a holding element attached to the furnace wall engages, as a result of which the heat protection bodies are anchored to the furnace wall.
- a heat-conducting filler e.g. Mortar, coated, whereby the recess into which the holding element engages is completely filled with mortar.
- this cavity can also be filled with concrete, for example.
- US Pat. No. 5,243,801 describes a kache-shaped heat protection body for the refractory lining of a furnace, in particular for lining a heat exchanger, described.
- the body has in its rear side facing the boiler tube wall a groove open to an edge side, the groove comprising two sections in its longitudinal direction, namely an edge-side section with a rectangular cross-section and a longitudinally adjoining one second section with a T-shaped cross section.
- the advantage of this construction is that it allows the holding element to be inserted easily. First, the heat protection tile is placed on the T-shaped holding element, so that it engages in the edge-side groove section with a rectangular cross-section.
- the heat protection tile is then displaced relative to the holding element up to the stop defined by the inner groove end, the holding element engaging in the T-shaped groove section and firmly fixing the tile to the boiler tube wall.
- the back of the tile is coated with a thermally conductive mortar.
- the volume enclosed by the groove is also completely filled with mortar in order to generate a thermal bridge that is as large as possible.
- the invention is therefore based on the object of specifying a heat protection body which is easy to install an inner wall of the furnace to be lined and which is constructed in such a way that inadvertent leakage of the filling material is effectively prevented.
- the object is achieved with a heat protection body for a protection system for a furnace inner wall with a front side, a rear side and edge sides connecting the front side with the rear side,
- the back of the heat protection body has at least one groove for receiving a holding element
- - being the groove.
- the groove has a cross section widening from the rear toward the front.
- the heat protection body according to the invention has a groove with a cross section widening in the direction of the front.
- This groove serves to receive a holding element connected to the boiler tube wall, which in turn should be shaped in such a way that it widens in the direction of its protruding end in accordance with the shape of the groove cross section, so that there is a play-free connection between the heat protection body and the boiler tube wall.
- the groove has a first end end open to an edge side and a second end end lying inside the back side. For the purposes of the invention, this is to be understood to mean that the second end of the groove is arranged at any distance from one of the edge sides of the heat protection body, so that it can form a stop for the holding element to be used.
- the heat protection body For the purpose of mounting the heat protection body, in contrast to the prior art described above, it is pushed over the open end of the groove on one edge side onto the free end of the holding element up to the stop defined by the other end of the groove, with the wall connected end of the holding element is guided along the opening surface of the groove.
- the particular advantage of the shape of the groove cross section chosen according to the invention is that the surface of the groove which is open towards the rear of the heat protection body can be very narrow, practically slot-shaped, so that the heat-conducting filler material, preferably mortar or concrete, located in the groove has practically no possibility has to fall or flow out of the groove on the back.
- the holding element in turn is completely protected from the furnace flue gas by the heat protection body.
- the heat protection body is preferably plate-shaped. This design enables a defined, large front and back, which are connected to each other by narrow edges. This ensures effective heat protection of the furnace wall and a long service life of the heat protection body. With appropriate shaping of the front or back, for example in the case of rectangular or square heat protection bodies, extensive furnace walls can also be lined with a large area by a large number of heat protection bodies.
- the cross section of the provided in the back of the heat protection body, towards the Front widening groove can be designed in different ways. On the one hand, it is possible for the groove cross-section to gradually expand from the rear towards the front. Here, the groove could have a T-shaped cross section, for example. It is also possible for the groove cross section to widen continuously from the rear toward the front, in which case a trapezoidal or dovetail cross section is preferred.
- the groove cross section tapers inwards in the longitudinal direction of the groove from the edge side.
- a 'high heat resistance and long service life of the heat protection body to ensure, is useful to manufacture it that of a ceramic material, preferably of silicon carbide.
- At least one edge side has a step running essentially parallel to the front side.
- the heat protection body is not only used for heat-resistant lining of an inner wall of the furnace, but also for heat dissipation in a heat exchanger, such as in the case of a boiler tube wall, the best possible heat transfer from the heat protection body to the rear wall should be aimed for.
- the heat protection body should lie as close as possible to the wall or any gap between the heat protection body and the wall should be as narrow as possible. This can be achieved by adapting the back to the outer contour of the furnace wall.
- the invention is furthermore based on the object of providing a protection system for a boiler tube wall which is simple to install and enables effective protection of the boiler tube wall while, at the same time, the greatest possible heat dissipation into the boiler tube wall.
- This object is achieved according to the invention with a protection system for a boiler tube wall with at least one holding element projecting from the boiler tube wall and at least one heat protection body held by the holding element according to one of claims 1 to 8, wherein the Holding element has a free end corresponding to the cross section of the groove.
- the holding element has a free end corresponding to the cross section of the groove. Specifically, this means that, for example, in the case of a groove designed as a T-groove, the holding element is designed accordingly as a T-anchor.
- the holding element is preferably attached to tube fins which are arranged between the tubes of the boiler tube wall.
- the longitudinal axis of the holding element is arranged perpendicular to the surface of the boiler tube wall, in particular the tube fin.
- the advantages of the invention are achieved in protection systems which have only one heat protection body.
- a boiler tube wall is protected by a wall of heat protection bodies arranged one above the other and next to one another.
- the advantages according to the invention are achieved here in particular when all heat protection bodies of the protection system are fastened to the boiler tube wall according to the principle according to the invention.
- the heat protection bodies can be placed directly on and next to one another without a substantial gap. But they can also be set with a gap.
- the gap between the heat protection bodies and the gap between each heat protection body and the boiler tube wall are included To optimize the heat transfer and to improve the protection against flue gas, it is advisable to fill it with a filler, in particular mortar and expansion joint material.
- FIG. 2 an enlarged detail from FIG. 1 along the line II from FIG. 1,
- FIG. 3 shows a heat protection body of the protection system from FIG. 1 in a perspective view of the rear of the body
- FIG. 4 shows the rear of the heat protection body of the protection system from FIG. 1 in supervision
- Fig. 5 is a side sectional view of the
- FIG. 6 shows a side sectional view of the heat protection body of the protection system from FIG. 1 rotated by 90 ° along the line IV-IV from FIG. 3.
- boiler tube wall 1 comprises a boiler tube wall 1, which has heat protection bodies 5 on the furnace side is lined, wherein the boiler tube wall 1 in the present case is only partially lined with heat protection bodies 5 for reasons of clarity.
- the boiler tube wall 1 itself consists of parallel tubes 2 and the tubes in pairs connecting web fins 3.
- the heat protection bodies 5 are each fastened to the boiler tube wall 1 via T-shaped holding elements 4 welded onto the tube fins 3, as will be explained in detail below.
- Each heat protection body 5 is designed as a cuboid plate and comprises a front side 7, a rear side 8 opposite the front side 7 and the edge sides 11, 12, 13, 14 connecting the front side 7 to the rear side 8 and perpendicular to the latter. Likewise, further geometries are possible , for example regular hexagons, through which the wall can be lined like a honeycomb.
- the heat protection body 5 consists, at least on its front side 7 facing the flue gases of the furnace, of a heat-resistant ceramic material, preferably silicon carbide. In its rear side 8, the heat protection body 5 has a groove 6 for receiving the holding element 4, the groove 6 comprising a first end-side end ⁇ a open to the edge side 14 and a second end-side end 6b lying inside the rear side 8.
- the groove 6 has a cross section widening in the direction of the front side 7.
- it is T-shaped, so that an optimal fit of the T-shaped holding element 4 in the groove 6 is ensured.
- the groove can equally well have a cross section which widens continuously in the direction of the front, for example in the form of a trapezoid, in which case the holding element has a corresponding shape.
- the rear side 8 of the heat protection body 5 is, as shown in FIG. 3, adapted to the shape of the boiler tube wall 1. It thus has semi-cylindrical regions 9 for the tubes 2 and an intermediate flat surface 10 which, when the heat protection body 5 is fastened, lies opposite the tube fin 3 arranged between the tubes 2.
- the T-shaped holding element 4 is inserted into the groove 6 via the open end 6a thereof, and then the heat protection body 5 is displaced relative to the stationary holding element 4 until it is on the in Inside the rear end 7b end 6b of the groove 6 strikes.
- the insertion of the holding element 4 into the groove 6 is also facilitated by the fact that the groove cross section tapers in the longitudinal direction of the groove 6 from the open end 6a in the direction of the inner end 6b. In the present case, this is realized in such a way that the groove inner surfaces 6c delimiting the longitudinal sides of the cross strut 4a (see FIG. 2) of the T-shaped holding element 4 run obliquely to one another (see FIG. 5).
- the holding element 4 When inserted into the groove 6, the holding element 4 thus still has a relatively large amount of play on the open end face 6a of the groove 6, it gradually assuming a defined position in the groove 6 transversely to the course thereof when the heat protection body 5 is pushed on.
- Heat protection bodies 5 filled with a filling material, in particular with mortar, concrete and / or expansion joint material. Likewise, the volume enclosed by the groove 6 in each heat protection body 5 is completely filled with the filling material, the mortar layer not being shown in FIGS. 1 and 2 for reasons of clarity.
- the particular advantage of the heat protection body 5 according to the invention is that due to the very small, practically slot-shaped, opening area of the groove 6, the mortar located in the groove 6 has practically no possibility of falling out of the groove on the rear side, air pockets being formed, which in turn would form would lead to local overheating of the material. Also, by edge-side open end 6a of the groove 6, the 'filler can hardly emerge.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/596,676 US20070234939A1 (en) | 2003-12-22 | 2004-11-15 | Refractory body |
DE202004020565U DE202004020565U1 (de) | 2003-12-22 | 2004-11-15 | Hitzeschutzkörper |
JP2006545939A JP4988356B2 (ja) | 2003-12-22 | 2004-11-15 | 熱防護体及び防護システム |
EP04797891A EP1697691A1 (de) | 2003-12-22 | 2004-11-15 | Hitzeschutzk rper |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10361104A DE10361104B4 (de) | 2003-12-22 | 2003-12-22 | Hitzeschutzkörper |
DE10361104.5 | 2003-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005064255A1 true WO2005064255A1 (de) | 2005-07-14 |
Family
ID=34706551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/012914 WO2005064255A1 (de) | 2003-12-22 | 2004-11-15 | Hitzeschutzkörper |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070234939A1 (de) |
EP (1) | EP1697691A1 (de) |
JP (1) | JP4988356B2 (de) |
DE (2) | DE10361104B4 (de) |
WO (1) | WO2005064255A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1788308A2 (de) * | 2005-11-17 | 2007-05-23 | KARRENA GmbH | Feuerfester Formstein |
EP1867924A1 (de) * | 2006-06-13 | 2007-12-19 | Hofstetter Andreas | Rohrschutzplatte aus einem feuerbeständigen Material sowie eine Wandauskleidung für einen Müllverbrennungsofen |
DE102010018648A1 (de) * | 2010-04-28 | 2011-11-03 | Saint-Gobain Industriekeramik Düsseldorf Gmbh | Korrosionsschutzkörper und Schutzsystem für eine Ofeninnenwand |
US8272321B1 (en) * | 2007-12-20 | 2012-09-25 | Capital Cooking Equipment, Inc. | Rotisserie for oven |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009039390A1 (de) | 2009-08-31 | 2011-03-03 | Saint-Gobain Industriekeramik Düsseldorf Gmbh | Korrosionsschutzkörper |
DE102009039389A1 (de) | 2009-08-31 | 2011-03-03 | Saint-Gobain Industriekeramik Düsseldorf Gmbh | Schutzsystem für eine Ofeninnenwand |
KR101387057B1 (ko) | 2013-10-23 | 2014-04-18 | 금성이엠씨 주식회사 | 소각로 보일러용 수관 보호 장치 및 방법 |
NL1041195B1 (nl) * | 2014-06-06 | 2016-04-01 | Hkh Dev B V | Vuurvaste bekleding voor een pijpenwand van een verbrandingsoven. |
JP6221186B2 (ja) * | 2015-12-09 | 2017-11-01 | 三菱重工環境・化学エンジニアリング株式会社 | 水管保護用耐火物 |
JP7167501B2 (ja) * | 2018-06-26 | 2022-11-09 | 株式会社ノーリツ | 熱交換器および温水装置 |
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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2606017A (en) * | 1949-02-05 | 1952-08-05 | Levi S Longenecker | Furnace roof and wall structure |
US5243801A (en) * | 1992-02-20 | 1993-09-14 | The Babcock & Wilcox Company | Refractory tile for heat exchanger protection |
US5673527A (en) * | 1995-09-05 | 1997-10-07 | Zampell Advanced Refractory Technologies, Inc. | Refractory tile, mounting device, and method for mounting |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1868352A (en) * | 1929-05-04 | 1932-07-19 | Detrick M H Co | Furnace construction |
CH336151A (de) * | 1955-11-11 | 1959-02-15 | L Von Roll Ag | Ofen zur Verbrennung minderwertiger Brennstoffe, beispielsweise Hauskehricht |
SE506495C2 (sv) * | 1990-09-14 | 1997-12-22 | Abb Carbon Ab | Infodring |
JP3100077B2 (ja) * | 1991-08-05 | 2000-10-16 | 積水ハウス株式会社 | 軸組への取付手段を備えた外壁パネル |
US6012401A (en) * | 1996-08-07 | 2000-01-11 | Mitsubishi Heavy Industries, Ltd. | Water pipe protecting refractory structure |
US6550208B2 (en) * | 1997-09-05 | 2003-04-22 | Lakdas Nanayakkara | Constructional components for use in a wall structure |
FR2785374B1 (fr) * | 1998-10-30 | 2001-01-19 | Lafarge Refractaires Monolithi | Revetement et procede de garnissage d'une paroi d'un appareil thermique et brique et ancrage associes |
WO2000057106A1 (en) * | 1999-03-19 | 2000-09-28 | Saint-Gobain Ceramics And Plastics, Inc. | Refractory tile system for boiler tube/heat exchanger protection |
JP2000320067A (ja) * | 1999-05-13 | 2000-11-21 | Tateyama Alum Ind Co Ltd | 壁面パネル |
JP2001272175A (ja) * | 2000-03-29 | 2001-10-05 | Meisei Ind Co Ltd | 耐火材の取付構造及び取付方法 |
JP2002295802A (ja) * | 2001-03-29 | 2002-10-09 | Hitachi Zosen Corp | 耐火タイルの固定構造 |
US6952905B2 (en) * | 2003-02-03 | 2005-10-11 | Nickel Richard N | Stone panel connector |
-
2003
- 2003-12-22 DE DE10361104A patent/DE10361104B4/de not_active Expired - Lifetime
-
2004
- 2004-11-15 EP EP04797891A patent/EP1697691A1/de not_active Withdrawn
- 2004-11-15 DE DE202004020565U patent/DE202004020565U1/de not_active Expired - Lifetime
- 2004-11-15 US US10/596,676 patent/US20070234939A1/en not_active Abandoned
- 2004-11-15 WO PCT/EP2004/012914 patent/WO2005064255A1/de active Application Filing
- 2004-11-15 JP JP2006545939A patent/JP4988356B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2606017A (en) * | 1949-02-05 | 1952-08-05 | Levi S Longenecker | Furnace roof and wall structure |
US5243801A (en) * | 1992-02-20 | 1993-09-14 | The Babcock & Wilcox Company | Refractory tile for heat exchanger protection |
US5673527A (en) * | 1995-09-05 | 1997-10-07 | Zampell Advanced Refractory Technologies, Inc. | Refractory tile, mounting device, and method for mounting |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1788308A2 (de) * | 2005-11-17 | 2007-05-23 | KARRENA GmbH | Feuerfester Formstein |
EP1788308A3 (de) * | 2005-11-17 | 2009-03-25 | KARRENA GmbH | Feuerfester Formstein |
EP1867924A1 (de) * | 2006-06-13 | 2007-12-19 | Hofstetter Andreas | Rohrschutzplatte aus einem feuerbeständigen Material sowie eine Wandauskleidung für einen Müllverbrennungsofen |
US8272321B1 (en) * | 2007-12-20 | 2012-09-25 | Capital Cooking Equipment, Inc. | Rotisserie for oven |
DE102010018648A1 (de) * | 2010-04-28 | 2011-11-03 | Saint-Gobain Industriekeramik Düsseldorf Gmbh | Korrosionsschutzkörper und Schutzsystem für eine Ofeninnenwand |
EP2383532A3 (de) * | 2010-04-28 | 2014-10-29 | Saint-Gobain Industriekeramik Düsseldorf GmbH | Korrosionsschutzkörper und Schutzsystem für eine Ofeninnenwand |
Also Published As
Publication number | Publication date |
---|---|
JP4988356B2 (ja) | 2012-08-01 |
US20070234939A1 (en) | 2007-10-11 |
JP2007515614A (ja) | 2007-06-14 |
DE10361104A1 (de) | 2005-07-28 |
EP1697691A1 (de) | 2006-09-06 |
DE10361104B4 (de) | 2005-10-06 |
DE202004020565U1 (de) | 2005-08-11 |
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