EP1134495B1 - Fluidgekühltes Mittelbalkenelement für Verbrennungsrost - Google Patents
Fluidgekühltes Mittelbalkenelement für Verbrennungsrost Download PDFInfo
- Publication number
- EP1134495B1 EP1134495B1 EP01104220A EP01104220A EP1134495B1 EP 1134495 B1 EP1134495 B1 EP 1134495B1 EP 01104220 A EP01104220 A EP 01104220A EP 01104220 A EP01104220 A EP 01104220A EP 1134495 B1 EP1134495 B1 EP 1134495B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- central beam
- fluid
- cooled
- beam element
- situated
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H3/00—Grates with hollow bars
- F23H3/02—Grates with hollow bars internally cooled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H17/00—Details of grates
- F23H17/08—Bearers; Frames; Spacers; Supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H2900/00—Special features of combustion grates
- F23H2900/03021—Liquid cooled grates
Definitions
- the invention relates to a fluid-cooled central beam element accordingly the features of the first claim and a fluid-cooled Center bar.
- the invention is applicable wherever multi-lane Burning grates with a central beam are present and measures to reduce wear, downtime and repair times of the grates increase the operating costs of the plant.
- WO 95/1833 is a thrust combustion grate module for burning of garbage in large plants and a method for operating it is known in which grate plates are arranged one above the other, wherein the grate plates are laterally limited by planks made of square profiles exist and through the supply and discharge lines for cooling the grate plates can run.
- the combustion grates are single lane. at a multi-lane version of combustion grates are instead of Planks the proposed fluid-cooled central beam elements can be used, so that a lateral separation of each grate track Neighboring rust railway is created. This separation enables a different one Operation of neighboring grate tracks if the installation used for this the grate tracks are decoupled mechanically and in terms of ventilation.
- the components used to separate the grate track are subject to high standards thermal and, depending on whether additional wear elements on the Sides of the movable grate bar or grate beam rows are used, mechanical wear due to abrasion.
- the wear problem on the components used is corresponding the currently known state of the art through the use of high-quality cast materials with air cooling or through fluid-cooled Welded steel constructions encountered.
- Fluid-cooled welded steel structures have the disadvantage lack of emergency running properties, so that in the event of a brief interruption heat dissipation due to damage to the cooling system Deformations or destruction of components have been recorded.
- This task is carried out by a central beam element according to the characterizing features of the first claim and a Middle beam according to the characteristics of the 14th and 15th Claim resolved.
- the solution according to the invention is characterized in that the fluid-cooled central beam element for multi-lane combustion grates two superimposed, interconnected, open at the bottom Parts exist that form at least one channel through which a coolant flows, and the full area and parallel to the thermally stressed Outside surfaces.
- Parts lying one above the other are advantageously bell-shaped educated.
- the channel is located on both sides of the inner part. It will thereby achieved that an end dividing the space above the inner part Rib is arranged, which prevents the fluid from one side of the Penetrates into the other side of the room.
- Ribs are arranged.
- the inner part is made of cast iron and designed so that the cast ribs are arranged on the inner part. This creates several on top of each other horizontal channels, the full area on the thermally stressed outer surfaces apply and in which the coolant from one side to the other of the central beam element can flow. It is advantageous in one Side of the central beam element to arrange the inflow opening and on the to provide the outflow opening on the other side of the central beam element.
- the cooling medium can then in on one side of the central beam element this will flow in at the other end of the central beam element pressed into the chamber above, then flows on both sides of the Inner part back to the other side, where the cooling liquids from both Sides pressed together into the next chamber above in which they flow separately again and get to the other side, on which they together in a channel down to the outlet opening flow.
- the inner part is advantageously made of cast iron, which is good Has emergency running properties. For a cheap attachment too ensure, the inner part can have transverse ribs for holding plates.
- the outer part which is fixed to the inner part and for liquids is impermeable to the inner part, can lead to rust Have cams. It is cheap to manufacture from cast iron. It is beneficial Arrange uncooled wear plates on both sides of the outer part. This can be welded on and ensure that there is wear and tear there is no wall breakthrough of the outer part. So that's a long one Guaranteed duration.
- Cooling medium Find use Water or another, higher-boiling coolant can be used as the cooling medium Find use.
- fluid-cooled central beam elements lying one behind the other can to be assembled into a fluid-cooled central beam, it It is advantageous to arrange the center bar elements in series.
- Middle part and outer part are separate, for example, made by casting from cast steel and assembled.
- the solution according to the invention offers the advantage that a Center beam element and a center beam were developed, which have the disadvantages remove the state of the art and good emergency running properties Have fluid cooling.
- the central beam element manufacture inexpensively and reliably.
- the center bar shown in Fig. 1 consists of individual Central beam elements 15, depending on the length of the central beam can be built one after the other and in the present Embodiment are connected in series.
- a central beam element 15 consists of two bell-shaped, one-sided open Hollow bodies, from which the inner part 1 and the outer part 2 differ become. Both parts, made of cast iron, are cast individually and then put together.
- the ribs 3 of the inner part 1 are arranged so that 4 channels (a, b) are located behind the inflow opening divide on both sides of the inner part 1 and only on the outlet side 5 are brought together again in another second level to be divided in opposite directions to be on the inlet side again meet. From there, they run in opposite directions Currents at the top level led to the outlet side 5, where they as a flow into the outlet pipe 7.
- the outlet pipe 7 is for Carrying air bubbles to the top of the cavity and penetrates the cooling medium on its way to the outlet 8 located below leading, underlying levels of the ribs 3.
- the inner part 1 has cross ribs 10 with cast-in Holes.
- the holding plates 9 are in the width of the inner contour of the Adjusted inner part 1 so that it positively on the outside Center beam element 15 can absorb acting transverse forces. at it is like a plurality of center beam elements 15 connected in series Fig. 1 shows - advantageously, the cooling liquid one by one Let the center beam element flow to the next one.
- uncooled wear plates 11 are on the outer part 2 attachable between grate covering 12 and the central beam element 15, wherein the central beam element 15 in FIG. 2 is provided with cams 13.
- the Wear plates 11 are placed on these cams 13 and are with a short weld 14 secured to the central beam element 15.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
- Furnace Details (AREA)
- Continuous Casting (AREA)
Description
- Fig. 1
- Schnitt B-B von Fig. 2 durch den erfindungsgemäßen fluidgekühlten Mittelbalken,
- Fig. 2
- Schnitt A-A von Fig. 1 durch das erfindungsgemäße Mittelbalkenelement.
- 1
- Innenteil
- 2
- Außenteil
- 3
- Rippen
- 4
- Einströmöffnung
- 5
- Auslaufseite
- 6
- Zweite Ebene
- 7
- Auslaufrohr
- 8
- Auslauf
- 9
- Halteblech
- 10
- Querrippe
- 11
- Verschleißplatte
- 12
- Rostbelag
- 13
- Nocken
- 14
- Schweißnaht
- 15
- Mittelbalkenelement
- 16
- Kanal (a, b)
Claims (15)
- Fluidgekühltes Mittelbalkenelement für mehrbahnige Verbrennungsroste zur seitlichen Trennung einer jeden Rostbahn zur Nachbarrostbahn, bestehend aus Kanälen für das Fluid, Zuführungen und Abführungen für das Kühlmittel, bei dem das Mittelbalkenelement (15) aus zwei übereinander liegenden, miteinander verbundenen, nach unten offenen Teilen (1, 2) besteht, die mindestens einen Kanal (a, b) bilden, durch den ein Kühlmedium strömt.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die übereinander liegenden Teile (1, 2) glockenförmig ausgebildet sind.
- Vorrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, dass der Kanal (a, b) beidseitig des Innenteiles (1) ausgebildet ist und vollflächig, parallel an den thermisch belasteten Außenflächen anliegt.
- Vorrichtung nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass
auf jeder Seite des Innenteiles (1) mehrere, übereinander liegende Kanäle (a, b) angeordnet sind, die vollflächig und parallel an den thermisch belasteten Außenflächen anliegen. - Vorrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass
am Innenteil (1) in Richtung auf das Außenteil (2) Rippen (3) angeordnet sind. - Vorrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass
innerhalb des Innenteiles (1) Querrippen (10) für Haltebleche (9) angeordnet sind. - Vorrichtung nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass
am Außenteil (2) mindestens eine ungekühlte Verschleißplatte (11) angeordnet ist. - Vorrichtung nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass
am Außenteil (2) beidseitig ungekühlte Verschleißplatten (11) angelegt und mittels Schweißnaht gesichert sind. - Vorrichtung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet; dass
das Außenteil (2) zwischen Rostbelag (12) und Mittelbalkenelement (15) Nocken (13) aufweist. - Vorrichtung nach einem der Ansprüche 1 bis 9,
dadurch gekennzeichnet, dass
das Mittelbalkenelement (15) einen Gusskörper darstellt. - Vorrichtung nach einem der Ansprüche 1 bis 10,
dadurch gekennzeichnet dass
die Einströmöffnung (4) gegenüber der Auslaufseite (5) angeordnet ist. - Vorrichtung nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, dass
die Auslaufseite (5) vom höchsten Punkt des durchströmten Mittelbalkenelementes (15) wegführt. - Vorrichtung nach einem der Ansprüche 1 bis 12,
dadurch gekennzeichnet, dass
innerhalb des Mittelbalkenelementes (15) mindestens drei Ebenen für Kanäle (a, b) vorhanden sind. - Fluidgekühlter Mittelbalken für mehrbahnige Verbrennungsroste, bestehend aus mehreren, hintereinander liegenden Mittelbalkenelementen (15) nach den Ansprüchen 1 bis 13, gekennzeichnet durch eine Reihenschaltung der Mittelbalkenelemente (15).
- Fluidgekühlter Mittelbalken für mehrbahnige Verbrennungsroste, bestehend aus mehreren, nebeneinander liegenden Mittelbalkenelementen (15) nach den Ansprüchen 1 bis 14, gekennzeichnet durch eine Parallelschaltung der Mittelbalkenlemente (15).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10011791A DE10011791B4 (de) | 2000-03-13 | 2000-03-13 | Fluidgekühltes Mittelbalkenelement für mehrbahnige Verbrennungsroste und Mittelbalken |
DE10011791 | 2000-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1134495A1 EP1134495A1 (de) | 2001-09-19 |
EP1134495B1 true EP1134495B1 (de) | 2004-08-25 |
Family
ID=7634282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01104220A Expired - Lifetime EP1134495B1 (de) | 2000-03-13 | 2001-02-22 | Fluidgekühltes Mittelbalkenelement für Verbrennungsrost |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1134495B1 (de) |
JP (1) | JP4729184B2 (de) |
KR (1) | KR100756093B1 (de) |
AT (1) | ATE274677T1 (de) |
DE (2) | DE10011791B4 (de) |
ES (1) | ES2228677T3 (de) |
TW (1) | TW475051B (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101405542B (zh) * | 2006-03-17 | 2011-06-29 | 多伊克斯投资有限公司 | 具有耐磨板的液冷式炉篦 |
JP2008215739A (ja) * | 2007-03-06 | 2008-09-18 | Schenkel Ernst | 水冷式火格子要素 |
EP3583357B1 (de) * | 2017-02-17 | 2023-05-03 | Mitsubishi Power Europe GmbH | Vorschubrost mit rostbahntrennungselementen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR514952A (fr) * | 1916-05-01 | 1921-03-22 | Robert Grabowski | Grille creuse |
US1742908A (en) * | 1926-11-20 | 1930-01-07 | John G Gibson | Water grate |
JPS4910997Y1 (de) * | 1970-12-03 | 1974-03-16 | ||
DE2622965C2 (de) * | 1976-05-21 | 1978-04-06 | Josef Martin Feuerungsbau Gmbh, 8000 Muenchen | Kompensationseinrichtung für Abmessungsänderungen von Bauteilen aufgrund von Temperaturschwankungen, insbesondere bei Feuerungen |
DE3343022A1 (de) * | 1983-11-28 | 1985-06-05 | Wärmetechnik Dr. Pauli GmbH, 8035 Gauting | Luftgekuehlter roststab fuer mechanisch transportierende roste |
DE3570119D1 (en) * | 1984-05-21 | 1989-06-15 | Theodor Koch | Furnace, especially for the combustion of refuse, coal, wood and industrial waste |
FR2661235B1 (fr) * | 1990-04-23 | 1992-07-31 | Traitement Indl Residus Urbains | Poutre formant joint de dilatation entre deux nappes de grilles de foyer accolees, avec des barreaux alternativement fixes et mobiles. |
JPH0496809A (ja) * | 1990-08-14 | 1992-03-30 | Matsushita Electric Ind Co Ltd | 電圧スイッチング定電流源 |
WO1995018333A1 (de) * | 1993-12-24 | 1995-07-06 | Doikos Investments Limited | Schub-verbrennungsrost-modul zum verbrennen von kehricht in grossanlagen, sowie verfahren zu dessen betrieb |
DE19528310A1 (de) * | 1995-08-02 | 1997-02-06 | Abb Management Ag | Rost für eine Feuerungsanlage |
EP0791784A1 (de) * | 1996-01-25 | 1997-08-27 | Oschatz Gmbh | Verbrennungsrost |
NO312644B1 (no) * | 1997-04-23 | 2002-06-10 | Doikos Investments Ltd | Vannkjölt trykkforbrenningsrist |
-
2000
- 2000-03-13 DE DE10011791A patent/DE10011791B4/de not_active Expired - Lifetime
-
2001
- 2001-02-22 EP EP01104220A patent/EP1134495B1/de not_active Expired - Lifetime
- 2001-02-22 AT AT01104220T patent/ATE274677T1/de not_active IP Right Cessation
- 2001-02-22 ES ES01104220T patent/ES2228677T3/es not_active Expired - Lifetime
- 2001-02-22 DE DE50103369T patent/DE50103369D1/de not_active Expired - Fee Related
- 2001-03-05 JP JP2001060399A patent/JP4729184B2/ja not_active Expired - Lifetime
- 2001-03-07 TW TW090105354A patent/TW475051B/zh not_active IP Right Cessation
- 2001-03-12 KR KR1020010012677A patent/KR100756093B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP1134495A1 (de) | 2001-09-19 |
JP2001289426A (ja) | 2001-10-19 |
DE10011791A1 (de) | 2002-12-19 |
DE10011791B4 (de) | 2004-01-29 |
JP4729184B2 (ja) | 2011-07-20 |
TW475051B (en) | 2002-02-01 |
ATE274677T1 (de) | 2004-09-15 |
ES2228677T3 (es) | 2005-04-16 |
KR20010091991A (ko) | 2001-10-23 |
DE50103369D1 (de) | 2004-09-30 |
KR100756093B1 (ko) | 2007-09-05 |
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