EP1153662B1 - Hitze- und verschleissbeanspruchtes Einbauelement, insbesondere Segment eines Zyklontauchrohres - Google Patents
Hitze- und verschleissbeanspruchtes Einbauelement, insbesondere Segment eines Zyklontauchrohres Download PDFInfo
- Publication number
- EP1153662B1 EP1153662B1 EP01111010A EP01111010A EP1153662B1 EP 1153662 B1 EP1153662 B1 EP 1153662B1 EP 01111010 A EP01111010 A EP 01111010A EP 01111010 A EP01111010 A EP 01111010A EP 1153662 B1 EP1153662 B1 EP 1153662B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat
- metallic
- ceramic material
- grating
- base body
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
- B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/085—Vortex chamber constructions with wear-resisting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/2016—Arrangements of preheating devices for the charge
- F27B7/2025—Arrangements of preheating devices for the charge consisting of a single string of cyclones
-
- 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
- F27D1/0003—Linings or walls
- F27D1/0006—Linings or walls formed from bricks or layers with a particular composition or specific characteristics
-
- 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
- F27D1/06—Composite bricks or blocks, e.g. panels, modules
- F27D1/08—Bricks or blocks with internal reinforcement or metal backing
Definitions
- the invention relates to a heat and wear-stressed installation element, to assemble a dip tube, the central one from above in a lined with fireproof material Cyclone separator of a cement clinker production line protrudes and can be hung on the cyclone ceiling.
- EP-A-0 447 802 discloses a cyclone immersion tube with the use of a metallic grating known, the z. B. hexagonal honeycomb can be filled with a ceramic material.
- the Known cyclone dip tube will first be the empty one Grating parts connected to each other and hung in the cyclone, after which the open honeycomb grate with ceramic mass fill out.
- Such a production of a cyclone dip tube is particularly difficult if that Ceramic material poured into the honeycomb openings, injected, should be shaken or pressed.
- the invention has for its object a built-in element to assemble a heat and wear segmented dip tube for one with refractory Lined cyclone material of a cement clinker production line to create, the individual built-in element with a Length can be manufactured and assembled even greater than 120 cm should be characterized by a long service life.
- Characteristic of the heat-resistant and wear-resistant according to the invention is that it's a composite body consisting of a comparatively thin-walled and lightweight metallic body, on the webs of a metallic grid-like grating are arranged, the grid openings with a heat resistant and against mechanical and chemical Influences of wear-resistant ceramic mass are filled. there the heat-resistant ceramic mass in the lattice openings of the Rust, which can be elastic, e.g. B. expanded metal grid, poured and / or injected and / or shaken / vibrated and / or pressed.
- the heat-resistant ceramic mass is in any case with the Production of the composite body according to the invention is flowable and it can also be done by additional heat treatment such as Sintering, tempering, etc. are hardened.
- the ceramic mass has z. B. silicon carbide (SiC) and it can also be a hydraulic binder such. B. contain cement according to its Hardening of the ceramic mass gives a special strength.
- the integrated body acts in the composite body according to the invention Grating as reinforcement for the heat-resistant ceramic mass, that on the wear-stressed side of the from the invention
- Composite body segments composed Component should lie, so on the segmented cyclone immersion tube Dip tube outside that of the inflowing into the cyclone Hot gas solid suspension is highly stressed.
- the surface has the lowest possible porosity the invention proposed the surface the ceramic mass with a final coating, in particular Glazing, glaze, enamel etc. to be provided.
- the drawing shows a section of the cross section through an inventive Composite body installation element or segment, consisting from a heat-resistant metallic base body 10, namely from a thin-walled z. B. 5 to 15 mm thick rolled steel material, on which the webs 11 with a metallic grate grid-shaped openings are tacked or welded. It would be also possible in the manufacture of the composite body, the grate 11 place loosely on the base body 10.
- the openings of the grate 11, viewed in plan, square, hexagonal or otherwise, like polygonal or even round, are with a highly heat-resistant Ceramic mass 12 filled in the lattice openings poured in, shaken and then hardened. To the surface of the ceramic mass 12 has one more protection Coating 13 has the lowest possible porosity, especially one Glaze, glazing, enamelling etc.
- the thickness of the ceramic mass 12 can e.g. B. 25 mm.
- the metallic base body 10 no longer needs a heat resistant cast, the thickness of which is large long segments are approximately more than 15 mm would. Rather, with the construction according to the invention heat-resistant and wear-resistant composite segments manufacture with a length of more than 120 cm without the Thickness of the metallic base body 10 must exceed 15 mm. If the composite body segments become thermally and mechanically highly stressed dip tube of a cyclone of the cyclone suspended gas heat exchanger system / precalcination system a cement clinker burning plant put together, so the heat-resistant Ceramic mass 12 on the outside of the metallic base body 10 arranged, that is the side on which the inflowing abrasive hot gas / solid suspension flows in. It exists but also the possibility of the layer structure of the invention Composite body on both sides of the base metal sheet 10 to arrange. In any case, the service life of the invention Composite installation elements or segments high.
- the metallic base body 10 consists of cast steel, can the metallic grid-shaped grate with its webs 11 completely or partially as a one-piece cast body together with the Base body 10 be made.
- the composite bodies according to the invention are not for production segmented cyclone immersion pipes in cement clinker burning plants too to protect others a high thermochemical and abrasive Components subject to wear can be used, in particular for Protection of those built into the hot gas pipes and hot meal pipes Guiding and / or regulating elements such as swiveling diverter flaps, Impact slider or the like.
Landscapes
- Cyclones (AREA)
- Earth Drilling (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Furnace Details (AREA)
Description
Claims (7)
- Hitze und verschleißbeanspruchtes Einbauelement zum Zusammensetzen eines Zyklon-Tauchrohres, welches Tauchrohr bei der Verwendung zentral von oben in einen mit feuerfestem Material ausgekleideten Zyktonabscheider einer Zementklinkerproduktionslinie hineinragt und an der Zyklondecke aufgehängt wird, wobei das Einbauelement als Verbundkörper ausgebildet ist mit einem metallischen gitterförmigen Rost (11) dessen Gitteröffnungen mit einer Keramikmasse (12) ausgefüllt sind,
dadurch gekennzeichnet, dass das Einbauelement ein vorgefertigtes Tauchrohrsegment-Fertigteil ist, bestehend aus einem flachen metallischen dünnwandigen Grundkörper (10), auf dessen an der Tauchrohr-Außenseite zu liegen kommenden Seite die Stege (11) des metallischen gitterförmigen Rostes angeordnet und die Gitteröffnungen mit der Keramikmasse (12) ausgefüllt sind, und dass die außenliegende Oberfläche der Keramikmasse (12) mit einer abschließenden Glasur (13) geringer Porosität beschichtet ist. - Einbauelement nach Anspruch 1,
dadurch gekennzeichnet, dass die Stege (11) des metallischen Rostes auf den Grundkörper (10) geheftet und/oder geschweißt sind. - Einbauelement nach Anspruch 1,
dadurch gekennzeichnet, dass der metallische Grundkörper (10) aus einem dünnwandigen Stahlwalzmaterial besteht. - Einbauelement nach Anspruch 1,
dadurch gekennzeichnet, dass der metallische Grundkörper (10) aus Stahlguss besteht, und dass der metallische gitterförmige Rost mit seinen Stegen (11) ggf. als einteiliger Gusskörper zusammen mit dem Grundkörper (10) hergestellt ist. - Einbauelement nach Anspruch 1,
dadurch gekennzeichnet, dass die hitzebeständige Keramikmasse (12) in die Gitteröffnungen des Rostes (11) eingegossen und/oder eingespritzt und/oder eingerüttelt/rüttelverdichtet und/oder eingepresst ist. - Einbauelement nach den Ansprüchen 1 oder 5,
dadurch gekennzeichnet, dass die hitzebeständige Keramikmasse (12) Siliciumcarbid (SiC) enthält. - Einbauelement nach den Ansprüchen 1, 5 oder 6,
dadurch gekennzeichnet, dass die hitzebeständige Keramikmasse (12) als hydraulisches Bindemittel Zement enthält.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10023387 | 2000-05-12 | ||
DE10023387 | 2000-05-12 | ||
DE10033293 | 2000-07-07 | ||
DE10033293A DE10033293A1 (de) | 2000-05-12 | 2000-07-07 | Hitze- und verschleißbeanspruchtes Einbauelement, insbesondere Segment zum Zusammensetzen eines segmentierten Zyklontauchrohres |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1153662A1 EP1153662A1 (de) | 2001-11-14 |
EP1153662B1 true EP1153662B1 (de) | 2004-07-14 |
Family
ID=26005657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01111010A Expired - Lifetime EP1153662B1 (de) | 2000-05-12 | 2001-05-08 | Hitze- und verschleissbeanspruchtes Einbauelement, insbesondere Segment eines Zyklontauchrohres |
Country Status (5)
Country | Link |
---|---|
US (1) | US6517597B2 (de) |
EP (1) | EP1153662B1 (de) |
CZ (1) | CZ303127B6 (de) |
DK (1) | DK1153662T3 (de) |
ES (1) | ES2220618T3 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105040925A (zh) * | 2015-07-01 | 2015-11-11 | 内蒙古筑友建材有限公司 | 一种抗冲击耐磨陶瓷涂层结构及其施工方法 |
DE102014019472A1 (de) | 2014-12-23 | 2016-06-23 | Khd Humboldt Wedag Gmbh | Tauchrohr für einen Zyklonabscheider |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10214863A1 (de) * | 2002-04-04 | 2003-10-16 | Kloeckner Humboldt Wedag | Zyklonabscheider |
US20050252244A1 (en) * | 2003-04-09 | 2005-11-17 | Fred Heldoorn | Method, system and apparatus for a takeout holder and insert |
US7472565B1 (en) * | 2003-04-09 | 2009-01-06 | Fred Lawrence Heldoorn | Plastic takeout holder and ceramic insert for use in bottle manufacturing |
DK176211B1 (da) * | 2006-03-24 | 2007-02-05 | Smidth As F L | Cyklonseparator |
AT511613B1 (de) * | 2012-01-24 | 2013-01-15 | Inteco Special Melting Technologies Gmbh | Verfahren und anlage zur abgasreinigung bei vakuum-stahlbehandlungsprozessen |
AP2016009028A0 (en) | 2013-08-09 | 2016-02-29 | Weir Minerals Australia Ltd | Cyclone separator apparatus and methods of production |
DE102014100568A1 (de) * | 2014-01-20 | 2015-07-23 | Tenedora Nemak, S.A. De C.V. | Gussteil und Einsatz für ein solches Gussteil |
US10940492B2 (en) | 2016-07-13 | 2021-03-09 | Fosbel Wahl Holdings, Llc | Thimble for cyclone separator |
US10328439B2 (en) * | 2016-07-13 | 2019-06-25 | Wahl Refractory Solutions, Llc | Thimble for cyclone separator |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1581329A (en) * | 1924-10-15 | 1926-04-20 | Schutz Wilhelm | Masonry coat holder for mortar and the like |
US3470678A (en) * | 1967-06-20 | 1969-10-07 | Exxon Research Engineering Co | Cyclone separator for high temperature operations |
DE2405298A1 (de) * | 1974-02-04 | 1975-08-07 | Kloeckner Humboldt Deutz Ag | Verfahren und vorrichtung zur standzeiterhoehung von schleissteilen in sichtern, zyklonen und rohrleitungen |
DE2405413C3 (de) * | 1974-02-05 | 1981-07-30 | Keramische Industrie-Bedarfs-Kg, Paul Gatzke, 1000 Berlin | Verfahren und Anlage zum Brennen, Sintern oder Fritten von keramischen oder feuerfesten Massen, Zementklinkern o. dgl. |
FR2433164A1 (fr) * | 1978-08-08 | 1980-03-07 | Produits Refractaires | Blocs a base d'oxydes refractaires electrofondus armes d'un element en un materiau d'une conductivite thermique elevee |
AU554140B2 (en) * | 1980-07-02 | 1986-08-07 | Dana Corporation | Thermally insulating coating on piston head |
DE3228902A1 (de) | 1982-08-03 | 1984-02-09 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Zyklonabscheider |
JPS6162785A (ja) * | 1984-09-04 | 1986-03-31 | 日本プライブリコ株式会社 | 耐摩耗・耐火材ライニング用アンカ− |
DE4009004A1 (de) * | 1990-03-21 | 1991-09-26 | Didier Werke Ag | Tauchrohr und verfahren zu dessen herstellung |
US5417932A (en) * | 1993-06-21 | 1995-05-23 | Texaco Inc. | Vent orifice in fluid catalytic cracking direct-connected cyclone apparatus |
DE4338484C1 (de) * | 1993-11-11 | 1994-12-01 | Veitsch Radex Ag | Verwendung eines feuerfesten, keramischen Steins auf Basis von MgO zur Auskleidung von Zement-Drehrohröfen |
-
2001
- 2001-05-08 DK DK01111010T patent/DK1153662T3/da active
- 2001-05-08 EP EP01111010A patent/EP1153662B1/de not_active Expired - Lifetime
- 2001-05-08 ES ES01111010T patent/ES2220618T3/es not_active Expired - Lifetime
- 2001-05-11 US US09/853,264 patent/US6517597B2/en not_active Expired - Lifetime
- 2001-05-11 CZ CZ20011678A patent/CZ303127B6/cs not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014019472A1 (de) | 2014-12-23 | 2016-06-23 | Khd Humboldt Wedag Gmbh | Tauchrohr für einen Zyklonabscheider |
DE102014019472B4 (de) * | 2014-12-23 | 2018-01-04 | Khd Humboldt Wedag Gmbh | Tauchrohr für einen Zyklonabscheider |
CN105040925A (zh) * | 2015-07-01 | 2015-11-11 | 内蒙古筑友建材有限公司 | 一种抗冲击耐磨陶瓷涂层结构及其施工方法 |
Also Published As
Publication number | Publication date |
---|---|
CZ303127B6 (cs) | 2012-04-18 |
US6517597B2 (en) | 2003-02-11 |
US20010052223A1 (en) | 2001-12-20 |
EP1153662A1 (de) | 2001-11-14 |
CZ20011678A3 (cs) | 2002-01-16 |
DK1153662T3 (da) | 2004-09-06 |
ES2220618T3 (es) | 2004-12-16 |
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