EP1219898A1 - Bloc de grille faisant partie d' une grille pour une installation d' incinération de déchets - Google Patents

Bloc de grille faisant partie d' une grille pour une installation d' incinération de déchets Download PDF

Info

Publication number
EP1219898A1
EP1219898A1 EP00128676A EP00128676A EP1219898A1 EP 1219898 A1 EP1219898 A1 EP 1219898A1 EP 00128676 A EP00128676 A EP 00128676A EP 00128676 A EP00128676 A EP 00128676A EP 1219898 A1 EP1219898 A1 EP 1219898A1
Authority
EP
European Patent Office
Prior art keywords
grate
cooling
block
block body
holding part
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
Application number
EP00128676A
Other languages
German (de)
English (en)
Other versions
EP1219898B1 (fr
Inventor
Bruno Andreoli
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.)
Hitachi Zosen Innova AG
Original Assignee
Von Roll Umwelttechnik AG
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
Priority to DE50012995T priority Critical patent/DE50012995D1/de
Application filed by Von Roll Umwelttechnik AG filed Critical Von Roll Umwelttechnik AG
Priority to EP00128676A priority patent/EP1219898B1/fr
Priority to AT00128676T priority patent/ATE330179T1/de
Priority to JP2002554437A priority patent/JP2004517291A/ja
Priority to PCT/EP2001/012885 priority patent/WO2002053971A1/fr
Priority to AU2002216019A priority patent/AU2002216019A1/en
Priority to TW090128137A priority patent/TW526320B/zh
Publication of EP1219898A1 publication Critical patent/EP1219898A1/fr
Application granted granted Critical
Publication of EP1219898B1 publication Critical patent/EP1219898B1/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
    • 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
    • F23H17/12—Fire-bars
    • 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 grate block as part of a Grate for a plant for the thermal treatment of Waste according to the preamble of claim 1.
  • Block body a pressure and tightness test carried out. Often there is extensive reworking unavoidable. As a result of different thermal expansions between the casting material and the cast-in cooling pipes can the latter at evaporation and / or at high open up local thermal loads. At a leaking or damaged block body occurs coolant into the firebox, and the block body fulfills it intended function no longer. With the rust blocks with cast cooling elements is also the adaptation to different requirements and loads are complex and lengthy because each requires special cast models become.
  • the present invention is based on the object to create a grate block of the type mentioned at the beginning, which is simple and inexpensive to manufacture which the complex pressure and tightness control of block body produced as a casting is eliminated, and the in a simple way to different requirements can be customized.
  • this object is achieved by a grate block solved with the features of claim 1.
  • Fig. 1 shows a grate block 1 as part of a grate for a plant for the thermal treatment of waste.
  • the Grate block 1 comprises one manufactured as a casting Block body 2 of a substantially U-shaped Cross section of a rear wall 3, an upper wall 4 and has a front wall 5.
  • the front wall 5 of the Block body 2 is connected to a foot 7.
  • the upper Wall 4 has a support surface 8 for the person to be treated Waste on.
  • the rear wall 3 is with at least one or several hooks 6, of which in Fig. 1st only one is visible, and the one for hanging the Rust block 1 are determined on a block holding element.
  • cooling element 10 in the form of a meandering shape arranged, a cooling channel 11 forming tube, the a cooling water system is connected.
  • Cooling water is both the one usually used Water as well as any other suitable coolant understand.
  • the cooling element 10 runs below the Support surface 8 extends to the front wall 5 and points to the foot 7 lowering sections 10a on.
  • the cooling element 10 is by means of a bottom the block body 2 attachable and with the block body 2 releasably connectable holding part 15 in a contact position held with the block body 2. For this purpose, in the flat, flat, possibly with ribs (in Fig.
  • the cooling elements or the cooling channels can - as on some embodiments shown in FIGS. 2 to 4 shown - different cross-sectional shapes exhibit.
  • a conventional cooling tube 20 from round cross section can e.g. Cooling pipes or Cooling elements 21 of a square or rectangular Cross section (FIG. 3) or cooling tubes or cooling elements 22 with a triangular cross-section (Fig. 4) in question come.
  • the cooling elements can also be provided with fins 25 be provided, as in the example of the cooling elements 23, 24 2 and 3 is shown.
  • a cooling element can also, for example, a cooling plate 28 (or more Cooling plates) or other heat sinks, as on Example of the cooling element 29 shown in FIG. 4 shown, the one welded to three cooling tubes 20 ' Has cooling plate 28.
  • Such cooling plates or Heatsinks can be thermally particularly vulnerable Places are attached.
  • the recess or recesses 17 are before Inserting the cooling element (s) 10 or 20 to 24 or 29 preferably with a heat-conducting material, for example coated with a thermal compound or filled.
  • Holding part 15 In the drawing it is heat-conducting material designated 30.
  • the holding part 15 is preferably provided with pressure strips 32 which - like 2 to 4 can be seen - when with his Support surface 33 on the underside of the block body 16 adjacent holding part 15 in the recesses 17th protrude into the cooling elements 10 or 20 to 24 or 29 concern and this in their position in relation to the Fix block body 2.
  • the releasable fixation or connection of the Holding part 15 with the block body 2 is from the drawing not apparent; in Fig. 1 are only for the Holes provided for connecting screws in the holding part 15 shown and designated 37. Instead of one Screw connection could also be a wedge connection, a Quick release connector or other type of detachable connection come into question.
  • thermal compound instead of the thermal compound, it can be used as a thermally conductive Material also fine steel wool or similar used and in the Recesses 17 before the or the Cooling elements are inserted.
  • Thermal conductors for example from on the market available graphite pastes, however, is special advantageous as this has higher thermal conductivities exhibit than steel.
  • the holding part 15 can be made of different materials (Steel, aluminum, etc.). It can to be a casting or a sheet. He can too be designed as a grid. In the holding part 15 can as needed before assembly between each Pressure strips 32 insulation (mass, mat, foam glass etc.) are inserted, which is shown in FIG. 1 with reference number 38 is indicated. The isolation can also be used as Spray compound pressed in after installation become and fill voids.
  • rust block design variant can from 2 to 4 known cooling elements 10 or 20 to 24 or 29 instead of in the bottom of the block body 16 poured recesses 17 in corresponding Recesses in the upper surface of the holding part 15 inserted and together with this to the bottom of the block body 16 pressed and in the contact position be fixed.
  • thermally conductive, in the recesses of the holding part introduced material, preferably a thermal compound, to improve or ensure the contact of special advantage.
  • the thermal compound is at this Variant preferably between the top Support surface 33 of the holding part 15 and the bottom of the block 16 deleted (this also applies to those based on FIG. 1 to 4 described variant).
  • thermally conductive Material can be dispensed with - for example at Rust blocks that are in a so-called burnout area of the Rust, i.e. with lower thermal loads, be used.
  • the heat-conducting material can also be used for special Formation of cooling elements (soft or rough Surface, large contact area). Instead of a heat conducting mass between the upper bearing surface 33 the holding part 15 and the block underside 16 can also on 16 can also at this point the contact surface Improving contact can be roughened.
  • Both grate block variants according to the invention (cooling elements fixed in recesses 17 of the block body 2, Cooling elements in recesses 17 of the holding part 15 arranged and together with this in the contact position fixed with the block body) compared to the known rust blocks with those in the block body cast cooling tubes are provided, considerable Benefits.
  • the block body 2 which is not inaccessible Having voids can be used as a simple casting a simple standard casting process. Because the risk of blowholes and cracks is practical omitted, the block body 2 requires no pressure and Leakage test and no welding post-processing.
  • the cooling elements and the block body 2 are separated from each other, i.e.
  • the cooling elements can from the different materials exist and practical have any shape.
  • the holding part 15 with the Cooling elements can easily from the bottom of the grate be replaced.
  • the solution according to the invention enables a modular structure, adapted to the thermal load on the grate (pre-drying zone to Burnout). Adapting to different Requirements and burdens are simple; of change the shape and dimensions of the cooling elements can with simple model changes are taken into account.
  • Cooling elements in which no recesses 17 in Block body 2 must be present also offers good Possibility to retrofit existing ones originally for rust blocks with another Cooling system (air cooling, other type of water cooling) provided block bodies, which now according to the invention a simpler in terms of manufacturing technology and yet technically safer and to different Cooling system with more adaptable requirements can be.
  • cooling system according to the invention the use of a common, with a water inlet and water outlet connected cooling element, for example the meandering designed cooling tube 10 of FIG. 1, for all Grate blocks arranged side by side in a row of blocks 1 allows. So far it has been common for the individual in Block bodies cast in adjacent cooling tubes Grate blocks together via tubular spacers connect. The fact that the spacers are now omitted less leakage points and assembly is simplified.
  • Fig. 5 shows a further possible grate block variant, at which is the lower one, resting on the block body 2 and with this releasably connected holding part 15 'itself Forms cooling element and at least one cooling channel 11 ' having.
  • the holding part 15 ' is one Cast part, in which the cooling channel 11 '(or the cooling channels 11) are cast in directly.
  • the highly thermally stressed Block body 2 no inaccessible cavities, so that the risk of blowholes and cracks is eliminated, and the Block body 2 manufactured in the standard casting process and can be used without expensive test procedures. It can no cooling water can get into the combustion chamber.
  • the Holding part 15 ' can be optimally designed and cast can be easily produced.
  • the releasable connection of the holding part 15 'with the Block body can in turn, for example, by means of screws take place, as indicated in FIG. 5 (reference numeral 40), or in any other way known per se be accomplished.
  • This variant will also preferably between the holding part 15 'and the Block underside 16 a layer of thermally conductive Material attached, or contact by a special Formation of the contact surface (e.g. a roughened Surface) improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
  • Cultivation Of Plants (AREA)
EP00128676A 2000-12-29 2000-12-29 Bloc de grille faisant partie d' une grille pour une installation d' incinération de déchets Expired - Lifetime EP1219898B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP00128676A EP1219898B1 (fr) 2000-12-29 2000-12-29 Bloc de grille faisant partie d' une grille pour une installation d' incinération de déchets
AT00128676T ATE330179T1 (de) 2000-12-29 2000-12-29 Rostblock als teil eines rostes für eine anlage zur thermischen behandlung von abfall
DE50012995T DE50012995D1 (de) 2000-12-29 2000-12-29 Rostblock als Teil eines Rostes für eine Anlage zur thermischen Behandlung von Abfall
PCT/EP2001/012885 WO2002053971A1 (fr) 2000-12-29 2001-11-08 Bloc de grillage en tant que partie d'une grille d'une installation de traitement thermique de dechets
JP2002554437A JP2004517291A (ja) 2000-12-29 2001-11-08 廃棄物の熱処理プラントにおける火格子部分を形成する火格子ブロック
AU2002216019A AU2002216019A1 (en) 2000-12-29 2001-11-08 Grate block forming part of a grate in a waste heat-treatment plant
TW090128137A TW526320B (en) 2000-12-29 2001-11-13 Grate block as part of a grate for a plant for the thermal treatment of waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00128676A EP1219898B1 (fr) 2000-12-29 2000-12-29 Bloc de grille faisant partie d' une grille pour une installation d' incinération de déchets

Publications (2)

Publication Number Publication Date
EP1219898A1 true EP1219898A1 (fr) 2002-07-03
EP1219898B1 EP1219898B1 (fr) 2006-06-14

Family

ID=8170857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128676A Expired - Lifetime EP1219898B1 (fr) 2000-12-29 2000-12-29 Bloc de grille faisant partie d' une grille pour une installation d' incinération de déchets

Country Status (7)

Country Link
EP (1) EP1219898B1 (fr)
JP (1) JP2004517291A (fr)
AT (1) ATE330179T1 (fr)
AU (1) AU2002216019A1 (fr)
DE (1) DE50012995D1 (fr)
TW (1) TW526320B (fr)
WO (1) WO2002053971A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1355112A1 (fr) * 2002-04-17 2003-10-22 Seghers Keppel Technology Group Barreau de grille d'incinérateur, méthode pour son refroidissement et procédé pour sa fabrication
EP2003396A2 (fr) 2005-09-06 2008-12-17 Ernst Schenkel Elément de grille
WO2009023977A3 (fr) * 2007-08-22 2009-06-18 Doikos Investments Ltd Plaque de grill à refroidissement par un liquide, présentant des plaques d'usure, et grill à gradins formé de telles plaques de grill
EP2184540A1 (fr) 2008-11-05 2010-05-12 Von Roll Umwelttechnik AG Bloc de grille à refroidissement par air
WO2013029680A1 (fr) 2011-09-01 2013-03-07 Ernst Schenkel Grille destinée à la combustion de matières solides

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7867906B2 (en) * 2005-06-22 2011-01-11 Nec Corporation Semiconductor device and method for manufacturing same
KR100635407B1 (ko) * 2005-07-11 2006-10-19 한국과학기술연구원 수랭식 화격자
EP1996863A1 (fr) * 2006-03-17 2008-12-03 Doikos Investments, Ltd. Grille refroidie par liquide comprenant des plaques d'usure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608958A (en) * 1949-08-20 1952-09-02 Charles M Hazelton Grate bar
EP0844438A2 (fr) 1996-11-21 1998-05-27 Asea Brown Boveri AG Grille pour un foyer
EP0921354A1 (fr) * 1997-12-05 1999-06-09 ALSTOM Energy Systems GmbH Plaque de grille refroidie par liquide
JP2000240926A (ja) * 1999-02-23 2000-09-08 Mitsubishi Kakoki Kaisha Ltd 水冷式火格子

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608958A (en) * 1949-08-20 1952-09-02 Charles M Hazelton Grate bar
EP0844438A2 (fr) 1996-11-21 1998-05-27 Asea Brown Boveri AG Grille pour un foyer
EP0921354A1 (fr) * 1997-12-05 1999-06-09 ALSTOM Energy Systems GmbH Plaque de grille refroidie par liquide
JP2000240926A (ja) * 1999-02-23 2000-09-08 Mitsubishi Kakoki Kaisha Ltd 水冷式火格子

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1355112A1 (fr) * 2002-04-17 2003-10-22 Seghers Keppel Technology Group Barreau de grille d'incinérateur, méthode pour son refroidissement et procédé pour sa fabrication
EP2003396A2 (fr) 2005-09-06 2008-12-17 Ernst Schenkel Elément de grille
WO2009023977A3 (fr) * 2007-08-22 2009-06-18 Doikos Investments Ltd Plaque de grill à refroidissement par un liquide, présentant des plaques d'usure, et grill à gradins formé de telles plaques de grill
EA016515B1 (ru) * 2007-08-22 2012-05-30 Доикос Инвестмент Лимитед Элемент ступенчатой колосниковой решетки с жидкостным охлаждением и состоящая из таких элементов ступенчатая колосниковая решетка
CN101960220B (zh) * 2007-08-22 2012-10-10 多伊克斯投资有限公司 带有耐磨板的流体冷却烤盘及以这种烤盘组成的阶梯式烤架
EP2184540A1 (fr) 2008-11-05 2010-05-12 Von Roll Umwelttechnik AG Bloc de grille à refroidissement par air
WO2013029680A1 (fr) 2011-09-01 2013-03-07 Ernst Schenkel Grille destinée à la combustion de matières solides

Also Published As

Publication number Publication date
ATE330179T1 (de) 2006-07-15
JP2004517291A (ja) 2004-06-10
DE50012995D1 (de) 2006-07-27
EP1219898B1 (fr) 2006-06-14
AU2002216019A1 (en) 2002-07-16
WO2002053971A1 (fr) 2002-07-11
TW526320B (en) 2003-04-01
WO2002053971A8 (fr) 2003-11-20

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