EP2225492A1 - Wandauskleidung von industrieöfen - Google Patents
Wandauskleidung von industrieöfenInfo
- Publication number
- EP2225492A1 EP2225492A1 EP08863537A EP08863537A EP2225492A1 EP 2225492 A1 EP2225492 A1 EP 2225492A1 EP 08863537 A EP08863537 A EP 08863537A EP 08863537 A EP08863537 A EP 08863537A EP 2225492 A1 EP2225492 A1 EP 2225492A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- barrier layer
- lining
- layer
- layers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
-
- 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
- F23M5/085—Cooling thereof; Tube walls using air or other gas as the cooling medium
-
- 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
- F23M2900/05001—Preventing corrosion by using special lining materials or other techniques
-
- 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
- F23M2900/05003—Details of manufacturing specially adapted for combustion chambers
Definitions
- the invention relates to a wall lining of industrial furnaces to protect a refractory-lined wall made of concrete, steel, sheet metal or the like from corrosion.
- the fireproof wall of these ovens adjoins the environment, the temperature of which is much lower.
- the temperature of the outer wall is for example about 60 0 C, as the temperature at the surface of the lining values between 400 and 900 ° C are measured.
- the refractory material with which the furnace wall is lined is thus exposed to very different temperatures, so that there is a high risk of cracks in the material.
- the object underlying the present invention is to protect the wall of the furnace, which consists of concrete, steel, sheet metal or similar material, from corrosion.
- This object is achieved in that the lining of the wall consists of at least two layers, wherein a layer is pressurized as a barrier layer.
- the layers forming the lining of the wall there is a mechanical bond between the layers forming the lining of the wall.
- One of the layers is usually made of refractory material (stones or concretes) that are attached to the wall of concrete, steel or the like via metallic anchors or similar steel parts. Between this serving as a wear layer refractory material and the wall to be protected according to the invention a pressurized layer is constructed.
- the pressurized barrier layer according to the invention can also be arranged between an insulating layer and the wear layer, the gas being conducted through the insulating layer to the barrier layer.
- the gas used is preferably air.
- the supply of the gas is carried out by known means, wherein the pressure supply and the control of the pressure is monitored in a known manner.
- the pressurized barrier layer comprises porous material, e.g. a ceramic fiber or ceramic foam. It is possible that the barrier layer consists entirely of highly porous material. This ensures that on the one hand a gas-filled barrier layer is present, which prevents the corrosion attack, on the other hand, the required mechanical bond between the layers is ensured by the mechanical stability of the highly porous layer.
- spacing cams are arranged in the gas-loaded barrier layer, which the Determine the distance between the layers adjacent to this barrier layer, which also the required mechanical bond between the layers can be ensured.
- These spacer cams are preferably arranged so that the area of the metallic armatures, which are also subject to a particularly critical corrosion attack, is surrounded by sealing air.
- the metallic anchors which serve to secure the refractory material and penetrate the pressurized barrier layer, are encased in a material which melts, burns, softens, shrinks, sublimates, evaporates or foams at operating temperatures. This material thus disappears at operating temperatures, so that the sealing gas in the pressurized layer also extends to the area around the armatures, whereby the anchors are even better protected against corrosion by noxious gases.
- the barrier layer is formed as at least one closed chamber, which is acted upon with gas.
- ovens which have a metal jacket as a wall.
- this metal jacket is lined with refractory material, wherein between the refractory material and the metal jacket at least one layer is formed as a pressurized barrier layer.
- This barrier largely prevents aggressive gases from reaching the wall, eg the metal jacket.
- Fig. 1 shows the cross section of the invention
- the wall 1 is made of sheet metal. This wall 1 is lined with three layers, namely with the insulating layer 2, the pressurized barrier layer 3 and the wear layer 4.
- the wear layer 4 is made of refractory material 5, which is attached via the metal armature 6 to the wall 1. Between the layer 4 and the wall 1 is the pressurized barrier layer 3 and the insulating layer 2.
- the pressurized barrier layer 3 is supplied via the supply 7 with gas, so that in the barrier layer 3 creates a pressure.
- This barrier layer 3 is empty or filled with porous material and is pressurized with the added gas.
- the spacer cam 8 are arranged, which determine the distance between the wear layer 4 and the insulating layer 2.
- the spacer cams 8 are formed on the refractory material 5.
- These metallic anchors 6 can be coated with a material which melts, burns, softens, fades at the operating temperatures, shrinks, sublimates, evaporates or saps. The material thus disappears at operating temperatures and a gap arises, so that the gas entering the barrier layer 3 flows around these metallic armatures and protects them from corrosion.
- the furnace interior 9 is arranged above the wear layer 4.
- the temperature is usually more than 1000 ° Celsius during operation.
- the wall 1 adjoins the outside temperature, which is about 20 ° Celsius.
- This temperature difference between inside and outside often causes cracks and Destruction of the refractory material 5 of the layer 4.
- These cracks in the layer 4 it would be possible that harmful gases from the furnace interior 9 through the layers 4 and 2 pass through the wall 1 and corroded.
- the pressure built up in the barrier layer 3 prevents the noxious gases from reaching the wall 1 through cracks in the refractory material 5 of the layer 4 and through the layers.
Landscapes
- 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)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007062450 | 2007-12-22 | ||
| PCT/EP2008/009856 WO2009080167A1 (de) | 2007-12-22 | 2008-11-21 | Wandauskleidung von industrieöfen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2225492A1 true EP2225492A1 (de) | 2010-09-08 |
| EP2225492B1 EP2225492B1 (de) | 2016-01-13 |
Family
ID=40547574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08863537.0A Active EP2225492B1 (de) | 2007-12-22 | 2008-11-21 | Wandauskleidung von industrieöfen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8944042B2 (de) |
| EP (1) | EP2225492B1 (de) |
| JP (1) | JP2011508173A (de) |
| CA (1) | CA2705641A1 (de) |
| WO (1) | WO2009080167A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201700388D0 (en) * | 2017-01-10 | 2017-02-22 | Delivita Ltd | Portable oven |
| CN107687796B (zh) * | 2017-09-28 | 2023-08-15 | 浏阳市中洲机械科技有限公司 | 一种安全的发声烟花筒 |
| NL2023011B1 (en) * | 2019-04-26 | 2020-11-02 | Silicon Refractory Anchoring Systems B V | A refractory anchor |
| JP7422119B2 (ja) * | 2021-11-05 | 2024-01-25 | 中外炉工業株式会社 | 炉殻の内面腐食防止機構 |
| DE102024107247A1 (de) * | 2024-03-14 | 2025-09-18 | Jünger+Gräter GmbH | Belüftungssystem für eine Ofenwand |
Family Cites Families (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US814949A (en) * | 1903-10-27 | 1906-03-13 | Ellis F Edgar | Boiler-furnace. |
| US1634291A (en) * | 1919-06-12 | 1927-07-05 | Babcock & Wilcox Co | Air-cooled wall |
| US1786593A (en) * | 1927-12-13 | 1930-12-30 | Carborundum Co | Furnace |
| US1992620A (en) * | 1932-02-05 | 1935-02-26 | Carborundum Co | Furnace wall |
| US2223401A (en) * | 1939-08-21 | 1940-12-03 | Bigelow Liptak Corp | Furnace wall |
| US2272217A (en) * | 1940-06-29 | 1942-02-10 | Levi S Longenecker | Glass melting furnace |
| US2310698A (en) * | 1940-10-04 | 1943-02-09 | Kirk & Blum Mfg Company | Method and means for furnace wall maintenance |
| US2641205A (en) * | 1945-06-19 | 1953-06-09 | Dolezal Richard | Cooling wall for heated chambers |
| US2517802A (en) * | 1945-12-17 | 1950-08-08 | George A Rubissow | Method for making molds |
| US2641551A (en) * | 1949-07-20 | 1953-06-09 | Gulf Oil Corp | Metal coating composition |
| US2727737A (en) * | 1952-08-23 | 1955-12-20 | William E Dole | Cupola furnace with lining and blocks therefor |
| US2665895A (en) * | 1953-04-30 | 1954-01-12 | Amsler Morton Corp | Soaking pit curb wall with fixed elevation |
| US2707353A (en) * | 1953-09-02 | 1955-05-03 | Emhart Mfg Co | Reinforced forehearth channel joint |
| US3245674A (en) * | 1960-04-25 | 1966-04-12 | Nat Res Corp | Crucible coated with reaction product of aluminum and boron nitride coating |
| DE1433509A1 (de) * | 1963-09-24 | 1968-12-19 | Didier Werke Ag | Herdraumwaende,insbesondere Rueckwaende von Industrieoefen,z.B. Siemens-Martin-OEfen |
| US3336712A (en) * | 1964-09-30 | 1967-08-22 | Gregory Ind Inc | End weldable stud |
| US3489705A (en) * | 1967-01-30 | 1970-01-13 | Cities Service Oil Co | Strippable wax polymer coating |
| US3568611A (en) * | 1968-11-12 | 1971-03-09 | Johns Manville | Furnace construction |
| US4177036A (en) * | 1976-06-10 | 1979-12-04 | Sauder Industries, Inc. | High temperature industrial furnace |
| US4270348A (en) * | 1979-07-23 | 1981-06-02 | General Motors Corporation | Materials and method for preventing high temperature seize between metal parts |
| CH660030A5 (de) * | 1982-07-12 | 1987-03-13 | Alusuisse | Kathodenwanne einer aluminiumelektrolysezelle. |
| US4642011A (en) * | 1982-11-22 | 1987-02-10 | Toacosei Chemical Industry Co., Ltd. | Composition for rust prevention of metals and threaded metal elements with a rustproof film |
| US4705475A (en) * | 1986-04-25 | 1987-11-10 | Merkle Engineers, Inc. | Insulated refractory shield |
| US5011402A (en) * | 1989-09-20 | 1991-04-30 | Frazier Simplex, Inc. | Suspended furnace wall |
| US5163831A (en) * | 1989-09-20 | 1992-11-17 | Frazier-Simplex, Inc. | Refractory tile for a suspended furnace wall |
| FR2664681B1 (fr) | 1990-07-11 | 1997-01-03 | Hartmann Entreprise | Paroi de four et son procede de realisation. |
| DE9016206U1 (de) * | 1990-11-29 | 1991-02-14 | Jünger & Gräter GmbH & Co KG, 6830 Schwetzingen | Anordnung einer feuerfesten Auskleidung mittels Stahlrohraggregate abdeckenden Platten, wobei die Platten mittels an die Rohre verbindenden Rohrflossen angeschweißten Halterungen fixiert sind |
| US5137603A (en) * | 1991-01-16 | 1992-08-11 | Resco Products, Inc. | Oven walls |
| DE4305643C2 (de) | 1992-02-24 | 1994-05-19 | Keller Gmbh | Stahlmantelofen |
| DE4408865C2 (de) * | 1994-03-16 | 2001-05-17 | Raymond A & Cie | Verwendung einer einkomponentigen, adhäsiven Beschichtungsmasse zum Ausrüsten der Oberflächen von Befestigungselementen mit einer reaktiven Klebschicht |
| IT1270259B (it) * | 1994-06-20 | 1997-04-29 | Tecme Srl | Struttura composita costituita da un manufatto in refrattario elettrofuso incorporante elementi altamente resistenti alla corrosione/erosione da parte dei bagni fusi ed utilizzabile in particolare per la costruzione dei forni per vetro e simili |
| US5755216A (en) * | 1995-06-06 | 1998-05-26 | The University Of Dayton | Building products incorporating phase change materials and method of making same |
| US6286338B2 (en) * | 1998-02-26 | 2001-09-11 | Visteon Global Technologies, Inc. | Block assembly for a gas-type lehr |
| WO1999047874A1 (de) * | 1998-03-19 | 1999-09-23 | Siemens Aktiengesellschaft | Wandsegment für einen brennraum sowie brennraum |
| DE19816059C2 (de) | 1998-04-09 | 2000-04-06 | Juenger & Graeter Gmbh Feuerfe | Ofenwand eines Verbrennungsofens |
| TW524890B (en) * | 2001-02-13 | 2003-03-21 | United Microelectronics Corp | Method for preventing corrosion of a furnace and preventing corrodent furnace |
| EP1455101A1 (de) * | 2003-03-06 | 2004-09-08 | Siemens Aktiengesellschaft | Schraube und Verfahren zur Herstellung einer Schutzschicht auf einer Schraube |
| WO2005059309A2 (en) * | 2003-12-17 | 2005-06-30 | Terrasimco Inc. | Coated mining bolt |
| DE502005007221D1 (de) | 2004-03-18 | 2009-06-18 | Juenger & Graeter Gmbh Feuerfe | Feuerfestabkleidung |
| US7196767B2 (en) * | 2004-09-15 | 2007-03-27 | Asml Netherlands B.V. | Apparatus with compartment for high vacuum and use of construction element for constructing a compartment for high vacuum |
| JP5007424B2 (ja) * | 2005-05-23 | 2012-08-22 | Dowaエレクトロニクス株式会社 | メカニカルプレーティング用投射材および高耐食性皮膜 |
| US20070277471A1 (en) * | 2006-06-06 | 2007-12-06 | Gibson Sidney T | Brick/block/paver unit and method of production therefor |
| US20090020927A1 (en) * | 2007-07-17 | 2009-01-22 | North American Refractories Co. | Insulating refractory lining |
| DE102008014984B3 (de) | 2008-03-19 | 2009-08-27 | Jünger & Gräter GmbH Feuerfestbau | Einstückiger Stahlanker zur Verankerung ungeformter feuerfester Baustoffe |
| US8257645B2 (en) * | 2010-04-12 | 2012-09-04 | Arcelormittal Investigacion Y Desarrollo, S.L. | Insulation brick |
| DE102010016911A1 (de) * | 2010-05-12 | 2011-11-17 | Paul Hettich Gmbh & Co. Kg | Metallisches Bauteil, Verfahren zur Herstellung eines metallischen Bauteils und Beschlag, Möbel und/oder Haushaltsgerät |
| WO2012017963A1 (ja) * | 2010-08-04 | 2012-02-09 | 旭硝子株式会社 | 溶融ガラスの導管構造とそれを備えた減圧脱泡装置および溶融ガラスの減圧脱泡方法とガラス製品の製造方法 |
-
2008
- 2008-11-21 EP EP08863537.0A patent/EP2225492B1/de active Active
- 2008-11-21 CA CA2705641A patent/CA2705641A1/en not_active Abandoned
- 2008-11-21 JP JP2010538385A patent/JP2011508173A/ja not_active Withdrawn
- 2008-11-21 WO PCT/EP2008/009856 patent/WO2009080167A1/de not_active Ceased
-
2010
- 2010-06-21 US US12/819,715 patent/US8944042B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2009080167A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2705641A1 (en) | 2009-07-02 |
| JP2011508173A (ja) | 2011-03-10 |
| US8944042B2 (en) | 2015-02-03 |
| US20100252018A1 (en) | 2010-10-07 |
| WO2009080167A1 (de) | 2009-07-02 |
| EP2225492B1 (de) | 2016-01-13 |
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