EP1328758B1 - Cuve de grille en tant qu'element d'une grille pour installation de traitement thermique de dechets - Google Patents

Cuve de grille en tant qu'element d'une grille pour installation de traitement thermique de dechets Download PDF

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Publication number
EP1328758B1
EP1328758B1 EP01971597A EP01971597A EP1328758B1 EP 1328758 B1 EP1328758 B1 EP 1328758B1 EP 01971597 A EP01971597 A EP 01971597A EP 01971597 A EP01971597 A EP 01971597A EP 1328758 B1 EP1328758 B1 EP 1328758B1
Authority
EP
European Patent Office
Prior art keywords
grate
wall
walls
block
trough
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
Application number
EP01971597A
Other languages
German (de)
English (en)
Other versions
EP1328758A1 (fr
Inventor
Werner Brennwald
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
Application filed by Von Roll Umwelttechnik AG filed Critical Von Roll Umwelttechnik AG
Publication of EP1328758A1 publication Critical patent/EP1328758A1/fr
Application granted granted Critical
Publication of EP1328758B1 publication Critical patent/EP1328758B1/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
    • F23H11/00—Travelling-grates
    • F23H11/18—Details
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a grate pan as part of a Grate for a thermal treatment plant Waste according to the preamble of claim 1.
  • a solid grate block row follows in each case a movable grate block row, through which a pushing and shearing action on itself on the grate Waste material is exercised.
  • each Grate block row is by several adjacent to one another Block holder ear hinged grate blocks formed are firmly connected to each other.
  • the block holder tubes of movable grate block rows are carried by consoles, which are mounted on a movable grate carriage. Also for the block holder tubes of the fixed grate block rows are Consoles provided on a fixed block are attached.
  • This block is with side walls of a Grate tub connected to the lower part of each Rust element forms. On the side walls is also the supported movable grate carriages. Right-angled to the Sidewalls of the grate tray is a front and a rear front wall arranged and with the side walls welded. The adjacent front walls of individual Grate elements are bolted together.
  • the block holder tubes For exact Aligning the block holder tubes is a precise arrangement the consoles and the support surfaces for the grate carriage unavoidable.
  • the walls of the grate tray must be accurate be aligned with each other. After welding the abutting wall edges must be the negative Effects of weld seam delay to be corrected, the Block or its support surface for the consoles exactly aligned and the consoles accurately positioned and be welded.
  • the present invention is based on the object a manufacturing technology simple and cost-effective To create a grate, which allows easy installation of the Rust element allows.
  • the length and width of the grate trough stay constant. Which are along the wall edges extending weld lines are due to the interlocking protrusions and recesses mutually offset, causing the weld seam delay and the welding voltage can be minimized.
  • the block holder tubes bearing parts necessary; the block holder tubes for the fixed Grate block rows can directly into recesses of Sidewalls are arranged.
  • Fig. 1 shows a per se known grate element 3 as part a grate for a thermal treatment plant of waste.
  • An inclined grate track is in length from a plurality of grate elements 3 together (in Fig. 1 is a further grate element 3 'indicated by dash-dotted lines). In usually three to five grate elements. 3 arranged one behind the other. There can be several grate tracks be arranged side by side and together the grate width determine; Usually one to four rust paths used.
  • Each grate element 3 has several, possibly eight successively arranged in a row staircase grate block rows 4, 5, wherein in each case a fixed grate block row 4 a movable grate block row 5 follows.
  • a plurality of grate blocks 6 are arranged side by side.
  • the grate blocks 6 of a grate block row 4 and 5 are each mounted on a block holder tube 7 and 7 'and firmly connected to each other, preferably screwed.
  • the illustrated block holder tubes 7, 7 'could but also other rod or tubular Block holding elements of different profile use Find instead of the illustrated block holder tubes 7, 7 'could but also other rod or tubular Block holding elements of different profile use Find.
  • the block holder tubes 7 of the fixed grate block rows 4 become fixed, connected to a grate 20 Consoles 8 worn.
  • the grate pan 20, the lower Part of the grate element 3 forms, has two side walls 21st and a front and a rear front wall 23, 24.
  • the side walls 21 are each with a beam 26th connected, arranged on the consoles 8 and fastened (preferably welded).
  • the front and the rear front wall 23, 24 are perpendicular to the Side walls 21 arranged.
  • the neighboring front walls the successively arranged grate elements 3, 3 'become connected to each other, preferably screwed (when in Fig. 1 illustrated embodiment is the front Front wall 23 of the first grate element 3 with the rear Front wall 24 'of the downstream grate element 3' ) Screwed.
  • the block holder tubes 7 'of the movable grate block rows 5 are carried by consoles 9, which are on a mobile Roof truck 10 are attached.
  • the rust truck 10 is by means of two parallel hydraulic cylinders 11 driven and doing about rollers 12 on treads 13th moved back and forth.
  • the moving Grate block rows 5 moves, a thrust and Shearing action on the ones located on the grate track Waste material exercise, so that always new Waste surfaces of thermal treatment in Firebox be exposed at the same time Forward feed of the waste material.
  • the rust truck 10 with the brackets 9 and the Block holder ears 7 ' is within the grate trough 20th arranged and on the side walls 21 thereof supported.
  • the grate 30 corresponds in their function the grate pan 20 of Fig. 1, i. she is forming Support element for the immovable grate block rows 4 or her block holder tubes 7 and a support for the Roof rack 10.
  • the walls are like shown consisting of a transparent material, but are made of sheet metal.
  • the grate pan 30 comprises two opposing, mirror-image configured side walls 31, respectively an upper, vertically extending wall portion 31a, a middle wall portion 31b and a lower, outward have curved wall portion 31c (a stiffener).
  • the two middle wall parts 31b run downwards converging and pointing approximately in the middle of their length a square opening 32, which is used to connect the Fig. 1 known, arranged laterally of the grate trough 30 Hydraulic cylinder 11 with the inside of the grate trough 30th accommodated and not shown in detail the grate carriage 10 supported by the middle wall parts 31b are provided.
  • a front Front wall 33 and a rear front wall 34 Perpendicular to the side walls 31 is a front Front wall 33 and a rear front wall 34 arranged. Both front walls 33, 34 have connection holes 36, for the connection, preferably screwing the Grate troughs 30 adjacent grate elements 3 are provided.
  • the front walls 33, 34 and the side walls 31 are at their Collision with interlocking protrusions 33V, 34V, 31V and recesses 33A, 34A, 31A equipped. It is a plurality of such protrusions 33V, 34V, 31V and recesses 33A, 34A, 31A along the Connecting edge between the respective front wall 33 and 34 and the respective side wall 31 present.
  • each grate wall tooth-like at the junction with the other wall Projections and recesses in the wall edge.
  • the Projections of a wall engage in the side corresponding recesses of the other, at right angles arranged wall into it, so that each one Side surface of the projection on a base of the Recess comes to rest.
  • Fig. 3 shows a Partial representation of two intended for connection Wall edges, optionally the wall edge of the side wall 31st or their wall parts 31a, 31b and the wall edge of the rear front wall 34.
  • SV is a Side surface of one of the projections 34V and with the GA corresponding counter surface or base of the recess 31A, which when assembling the front wall 34th come to rest with the side wall 31.
  • the upper surface OV and the lower surface UV of the projection 34V, the transverse are arranged to the wall edge profile of the front wall 34, come here with the upper surface OA and with the lower Surface UA of the recess 31A for conditioning. Similar attack also the remaining projections 31V, 34V of these two walls 31, 34 into the associated recesses 34A, 31A in, and in the same way are the projections and Recesses of the wall edges in the other three Corner portions of the grate tray 30 engaged. In this manner and the individual walls 31, 33, 34 of the Grate pan 30 before welding in an exact Position brought to each other and thereby the length and the Width of the grate pan 30 fixed. This length and width stays constant, because the walls are not each other can move. Which are along the wall edges extending weld lines are due to the interlocking protrusions and recesses mutually offset, causing the weld seam delay and the welding voltage can be minimized.
  • tooth-like projections and Recesses in the respective wall edge would also be one other shape and arrangement of interlocking Projections and recesses conceivable, the illustrated and described embodiment is particularly simple.
  • the necessary wall edge shape, for example by means of Lasers are cut exactly in the wall sheet.
  • the Block holder tubes 7 for the immovable grate rows 4 directly supported by the side walls 31 of the grate pan 30 become.
  • the usage of Consoles on a precisely aligned block arranged and fixed in exact positions must, deleted.
  • the manufacturing and assembly costs one of the inventive grate trough 30 having Rust element are significantly reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Treatment Of Sludge (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (6)

  1. Cuve à grille comme partie d'un élément à grille (3) pour une grille, qui est prévue pour une installation de traitement thermique de déchets et présente plusieurs éléments de grille (3, 3') agencés l'un derrière l'autre, où chaque élément de grille (3) comprend plusieurs séries de blocs de grille (4, 5) fixes et mobiles, agencées l'une après l'autre en alternance, qui sont chacune constituées de plusieurs blocs de grille (6) suspendus l'un à côté de l'autre sur un élément de maintien de blocs (7,7') et reliés l'un à l'autre en position fixe, la cuve à grille (30) formant un élément de support pour les éléments de maintien de blocs (7) des séries de blocs de grille fixes (4) et un appui pour un chariot de grille mobile (10) portant les éléments de maintien de blocs (7') des séries de blocs de grille mobiles (5) et présentant deux parois latérales (31) qui s'étendent dans la direction longitudinale de la grille ainsi qu'une paroi d'extrémité avant et arrière (33, 34), les parois d'extrémité (33, 34) étant agencées perpendiculairement aux parois latérales (31) et sont soudées à celles-ci, caractérisée en ce que les parois latérales (31) et les parois d'extrémité (33, 34) présentent à leur point de jonction des saillies (31V, 33V, 34V) et des évidements (31A, 33A, 34A) qui s'engagent les unes dans les autres.
  2. Cuve à grille selon la revendication 1, caractérisée en ce que les saillies (31V, 33V, 34V) et les évidements (31A, 33A, 34A) sont réalisés dans l'arête de paroi de chaque paroi (31, 33, 34), les saillies d'une paroi (31 ou 33 ou 34) s'étendant à chaque fois latéralement dans les évidements de l'autre paroi agencée perpendiculairement et prennent appui à chaque fois avec une surface latérale (SV) sur une surface de fond (GA) de l'évidement correspondant.
  3. Cuve à grille selon la revendication 2, caractérisée en ce que les saillies (31V, 33V, 34V) d'une paroi présentent des surfaces (OV, UV) agencées transversalement à la direction de l'arête de la paroi, avec lesquelles elles prennent appui sur des surfaces correspondantes (OA, UA) des évidements (31A, 33A, 34A) de l'autre paroi.
  4. Cuve à grille selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les parois latérales (31) sont pourvues d'évidements (38) en forme de rainures répartis uniformément sur leur longueur, lesquels sont prévus pour une saisie directe des éléments de maintien de blocs (7) parallèles aux parois d'extrémité (33, 34) pour les séries de blocs de grille fixes (4).
  5. Élément à grille comprenant une cuve à grille (30) selon l'une quelconque des revendications 1 à 4.
  6. Grille construite à partir d'éléments à grille selon la revendication 5, où les parois d'extrémité (33, 34) de cuves à grille (30) d'éléments à grille adjacents (3, 3') sont reliés l'une à l'autre en position fixe.
EP01971597A 2000-10-25 2001-10-10 Cuve de grille en tant qu'element d'une grille pour installation de traitement thermique de dechets Expired - Lifetime EP1328758B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH02087/00A CH695705A5 (de) 2000-10-25 2000-10-25 Rostwanne als Teil eines Rostes für eine Anlage zur thermischen Behandlung von Abfall.
CH208700 2000-10-25
PCT/CH2001/000611 WO2002035149A1 (fr) 2000-10-25 2001-10-10 Cuve de grille en tant qu"element d"une grille pour installation de traitement thermique de dechets

Publications (2)

Publication Number Publication Date
EP1328758A1 EP1328758A1 (fr) 2003-07-23
EP1328758B1 true EP1328758B1 (fr) 2005-12-07

Family

ID=4567453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01971597A Expired - Lifetime EP1328758B1 (fr) 2000-10-25 2001-10-10 Cuve de grille en tant qu'element d'une grille pour installation de traitement thermique de dechets

Country Status (13)

Country Link
US (1) US6425336B1 (fr)
EP (1) EP1328758B1 (fr)
JP (1) JP2004512487A (fr)
AT (1) ATE312317T1 (fr)
AU (1) AU2001291592A1 (fr)
CH (1) CH695705A5 (fr)
CZ (1) CZ299895B6 (fr)
DE (1) DE50108342D1 (fr)
DK (1) DK1328758T3 (fr)
ES (1) ES2253421T3 (fr)
NO (1) NO322434B1 (fr)
PL (1) PL195785B1 (fr)
WO (1) WO2002035149A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7979674B2 (en) * 2007-05-16 2011-07-12 International Business Machines Corporation Re-executing launcher program upon termination of launched programs in MIMD mode booted SIMD partitions
US20090151609A1 (en) * 2007-12-15 2009-06-18 Hoskinson Gordon H Incinerator with pivoting grating system
CN103742926B (zh) * 2014-01-15 2015-12-09 重庆科技学院 垃圾焚烧炉用炉排组
CN103742921B (zh) * 2014-01-15 2016-03-02 重庆科技学院 垃圾焚烧炉用复合炉排组
CN109282286B (zh) * 2018-08-29 2020-04-17 中国电建集团山东电力建设第一工程有限公司 一种高精确度垃圾焚烧锅炉安装方法

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US527449A (en) * 1894-10-16 Traveling-grate furnace
US1149702A (en) * 1913-10-31 1915-08-10 Thomas Lenington Curtis Vail Culvert.
US1518024A (en) * 1922-11-22 1924-12-02 Murdoch B Urquhart Stoker
US1655947A (en) * 1924-10-04 1928-01-10 Kuy Scheerer Corp Of America Process of forming a metallic corner
US1786358A (en) * 1926-06-14 1930-12-23 Morton Kirk Moore Grate
US1973591A (en) * 1930-10-18 1934-09-11 Firms Vereinigte Stahlwerke Ag Method for producing structural members by welding and the structural members obtained thereby
US1977678A (en) * 1933-06-20 1934-10-23 Kellogg M W Co Arc welding method
US2341980A (en) * 1939-11-21 1944-02-15 Gasaccumulator Svenska Ab Device for combustion of solid fuel
US2388297A (en) * 1941-07-10 1945-11-06 Extruded Plastics Inc Composite article, including extruded sections
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CH526749A (de) * 1971-12-22 1972-08-15 Von Roll Ag Verbrennungsrost, insbesondere zur Verbrennung von Müll
CH585372A5 (fr) * 1975-03-17 1977-02-28 Von Roll Ag
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US4258692A (en) * 1979-01-30 1981-03-31 Washington Stove Works Combination wood and coal stove
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US4765256A (en) * 1987-11-18 1988-08-23 New Hampshire Flakeboard, Inc. Reinjection gasifier
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US5377663A (en) * 1993-06-07 1995-01-03 Wheelabrator Environmental Systems, Inc. Grate combustion system
US5528992A (en) * 1993-06-07 1996-06-25 Wheelabrator Environmental Systems, Inc. Reciprocating combustion grate guide system
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NO312644B1 (no) * 1997-04-23 2002-06-10 Doikos Investments Ltd Vannkjölt trykkforbrenningsrist

Also Published As

Publication number Publication date
CH695705A5 (de) 2006-07-31
ES2253421T3 (es) 2006-06-01
US20020046685A1 (en) 2002-04-25
CZ20021723A3 (cs) 2002-10-16
AU2001291592A1 (en) 2002-05-06
JP2004512487A (ja) 2004-04-22
PL195785B1 (pl) 2007-10-31
PL354897A1 (en) 2004-03-22
ATE312317T1 (de) 2005-12-15
NO322434B1 (no) 2006-10-02
WO2002035149A1 (fr) 2002-05-02
NO20023076D0 (no) 2002-06-25
DE50108342D1 (de) 2006-01-12
US6425336B1 (en) 2002-07-30
NO20023076L (no) 2002-06-25
CZ299895B6 (cs) 2008-12-29
DK1328758T3 (da) 2006-03-27
EP1328758A1 (fr) 2003-07-23

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