[go: up one dir, main page]

EP0152521B1 - Placage de grille pour des grilles en gradins à mouvement mécanique pour foyers de grande capacité - Google Patents

Placage de grille pour des grilles en gradins à mouvement mécanique pour foyers de grande capacité Download PDF

Info

Publication number
EP0152521B1
EP0152521B1 EP84109780A EP84109780A EP0152521B1 EP 0152521 B1 EP0152521 B1 EP 0152521B1 EP 84109780 A EP84109780 A EP 84109780A EP 84109780 A EP84109780 A EP 84109780A EP 0152521 B1 EP0152521 B1 EP 0152521B1
Authority
EP
European Patent Office
Prior art keywords
clamp
grate
bars
bosses
fixed
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
Application number
EP84109780A
Other languages
German (de)
English (en)
Other versions
EP0152521A2 (fr
EP0152521A3 (en
Inventor
Erich Weber
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.)
Martin GmbH fuer Umwelt und Energietechnik
Original Assignee
Martin GmbH fuer Umwelt und Energietechnik
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 Martin GmbH fuer Umwelt und Energietechnik filed Critical Martin GmbH fuer Umwelt und Energietechnik
Publication of EP0152521A2 publication Critical patent/EP0152521A2/fr
Publication of EP0152521A3 publication Critical patent/EP0152521A3/de
Application granted granted Critical
Publication of EP0152521B1 publication Critical patent/EP0152521B1/fr
Expired legal-status Critical Current

Links

Images

Classifications

    • 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

Definitions

  • the invention relates to a grate covering for mechanically moved step-shaped grate of large firing, which in several stages has a plurality of relatively movable and fixed grate bars, two fixed grate bars and an intermediate movable grate bar being clamped by a clamp, the clamp bolt with play by one the longitudinal slot corresponding to the relative displacement of the movable grate bar and, with its stops provided at the ends, interacts with the fixed grate bars provided on both sides of the movable grate bar.
  • the clamp bolt is formed in one piece and has at its stops straight contact surfaces with which it is supported on the inside of the stationary adjacent grate bars.
  • the object of the invention is to readjust the play between adjacent grate bars in a simpler manner and over a larger area, a simpler removal of damaged grate bars and a central force attack in a grate covering of the type described at the outset. only allow tensile forces in the clamp bolt.
  • this object is achieved according to the invention in that the clamp is divided and both parts can be connected to one another by means of a screw connection, and in that the stops have spherical contact surfaces lying symmetrically to the clamp bolt axis, the centers of their curvature in the plane of the Parenthesis axis.
  • the two-part design of the clamp not only simplifies the adjustment work, but also increases the adjustment range. This also simplifies the installation and removal of individual defective grate bars.
  • the spherical configuration of the contact surface on the stops and the arrangement of the centers of curvature in the plane of the clamp bolt axis ensure that all forces acting on the clamp bolt always occur as tensile forces in the clamp bolt and cannot generate any bending moments.
  • a particularly simple and easy-to-use configuration results from the fact that the two parts of the clamp consist of bolts with opposite threads and can be connected to one another by means of a turnbuckle nut. As a result, when the turnbuckle nut is turned, the two parts of the clamp move evenly against one another or from one another. An uneven setting on one of the two flanks is therefore excluded.
  • the threaded bolts of the clamp bolt have hammer-head-like stops which are provided with laterally projecting wings on which the spherical contact surfaces are formed, a symmetrical configuration of the contact surfaces with respect to the clamp bolt axis is thereby created in a simple manner, thereby ensuring is that the forces introduced only act as tensile forces in the clamp bolt.
  • the hammer-head-like design of the ends of the clamp bolt which engage in adapted recesses in the outer ribs, not only achieves the necessary protection against rotation of the clamp, but also locks the grate bars gripped by the clamp, this locking effecting that by a clamp summarized grate bars can not move against each other in the vertical direction, since the inclusion of the hammer-head-like stop in the recess of the bracket defines in any direction with respect to the fixed grate bar.
  • the outer ribs of the fixed grate bars have insertion slots for the clamp bar that are open towards the lower edge and recesses for the non-rotatable reception of the stops of the clamp bar.
  • the clamp can be received in the displaceable grate bar during assembly, whereupon the two adjacent stationary grate bars can be lowered at the height of the movable grate bar enable the ends of the clamp bolt protruding from the slidable grate bar into the insertion slots, in the end position of the preferably hammer-head-like stop with its wings on both sides, which are provided with the spherical contact surfaces, into a recess on the inside of the The outer rib snaps into place, which serves as an anti-twist device. Then the grating of a grate bar group can be brought about in a simple manner by tightening the screw connection, in particular the lock nut.
  • the grate covering shown in FIG. 1 has grate steps which are composed of grate bars 1 fixed during the relative stroke and grate bars 2 movable for this purpose during the relative stroke, these grate steps in the case of movable steps on displaceable support frames 3 or in the case of fixed steps on fixed steps Support frame 4 lie.
  • the respective fixed grate bars 1 are suspended essentially without play at their hanging end 5 on a hanging rail 6 or 7 of the support frame 3 or 4, while the grate bars 2 movable relative to these grate bars with a longitudinal play on the support frame of the movable or the fixed Rest level.
  • the clamp 8 comprises a clamp bolt consisting of two screw bolts 9 and 10 and a lock nut 11, and hammer-head-like stops 12 and 13 formed at their ends, the side wings 14, 15 and 16, 17 with spherical contact surfaces 18, 19 and 20, 21 respectively exhibit.
  • the hammer head-like lugs 12 and 13 of the bolts 9 and 10 are in their installed position in a recess 22 or 23 essentially adapted to these lugs in the outer ribs 24 or 25 of the fixed grate bars 1.
  • These recesses 22 and 23 are located at the end of insertion slots 26 and 27, into which the bolts 9 and 10 are inserted during assembly, until the lugs 12 and 13 reach the recesses 22 and 23, which serve to prevent rotation of the bolts.
  • the screws 9 and 10 have opposite threads.
  • a lock nut is designated, which prevents a loosening of this tension during the relative movements between the movable grate bar 1 and the bracket 8.
  • the ribs 32 and 33 of the grate bar 2 have longitudinal slots 34, the length of which corresponds to the relative stroke between the grate bars 1 and 2.
  • the clamp 8 When the grate bars are installed, the clamp 8 is in the assembled state in the grate bar 2, the screw bolts 9 and 10 being so far apart from one another that the adjacent fixed grate bars 1 can be lowered from above, the screw bolts 9 and 10 being inserted into the slots 26 and 27 of the outer ribs 24 and 25 arrive.
  • the lock nut 11 sets the desired gap 30 between the fixed and the movable grate bar, whereupon it is secured by means of the lock nut 31.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Clamps And Clips (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Pallets (AREA)

Claims (4)

1. Tapis de grille pour grilles de combustion de grands foyers aménagées en gradins, à mouvement par voie mécanique et comprenant, dans des gradins individuels, plusieurs barreaux à accrochage soit fixe soit mobile permettant un mouvement secondaire, relatif des barreaux entre eux, dans cette grille, deux barreaux fixes (1) encadrant un barreau mobile (2) sont reliés au moyen d'un crampon (8) dont le verrou traverse, avec jeu, une encoche prévue longitudinalement dans le barreau mobile (2) en vue de permettre le déplacement relatif du barreau mobile (2), le verrou agissant ensemble avec les barreaux fixes (1) disposés de côté et d'autre du barreau mobile, par l'intermédiaire des ergots (12, 13) prévus à ses extrémités, caractérisé en ce que le crampon (8) est divisé en deux, les deux parties (9, 12; 10, 13) pouvant être reliées entre elles au moyen d'un vissage (11), et en ce que les ergots (12, 13) accusent des faces de contact (18, 19; 20, 21) bombées et disposées symétriquement à l'axe du verrou-crampon, les centres de courbure desdites faces bombées étant situés dans le plan de l'axe de verrou-crampon.
2. Tapis de grille selon la revendication 1, caractérisé en ce que les deux parties du crampon (8) sont des boulons (9, 12; 10, 13) à filetage opposé et pouvant être reliés par un serre-joint (11).
3. Tapis de grille selon revendication 1 ou 2, caractérisé en ce que les boulons filetés (9, 12; 10, 13) du crampon (8) sont pourvus d'ergots (12, 13) en tête de marteau et munis d'ailes latérales (14, 15; 16, 17) sur lesquelles se trouvent les faces de contact bombées (18, 19; 20, 21
4. Tapis de grille selon l'une des revendications 1 à 3, caractérisé en ce que les flancs (24, 25) des barreaux fixes (1) sont pourvus d'encoches (26, 27) ouvertes vers le bas et encoches (22, 23) recevant les ergots (12, 13) du crampon (8) d'une manière évitant tout mouvement rotatoire desdits ergots.
EP84109780A 1983-08-24 1984-08-17 Placage de grille pour des grilles en gradins à mouvement mécanique pour foyers de grande capacité Expired EP0152521B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3330636A DE3330636C1 (de) 1983-08-24 1983-08-24 Rostbelag fuer mechanisch bewegte stufenfoermige Feuerungsroste von Grossfeuerungen
DE3330636 1983-08-24

Publications (3)

Publication Number Publication Date
EP0152521A2 EP0152521A2 (fr) 1985-08-28
EP0152521A3 EP0152521A3 (en) 1986-04-09
EP0152521B1 true EP0152521B1 (fr) 1988-03-09

Family

ID=6207396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84109780A Expired EP0152521B1 (fr) 1983-08-24 1984-08-17 Placage de grille pour des grilles en gradins à mouvement mécanique pour foyers de grande capacité

Country Status (5)

Country Link
US (1) US4548139A (fr)
EP (1) EP0152521B1 (fr)
JP (1) JPS6060416A (fr)
DE (1) DE3330636C1 (fr)
DK (1) DK404184A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9114836U1 (de) * 1991-11-29 1992-02-06 Zementanlagen- und Maschinenbau GmbH Dessau, O-4500 Dessau Rostbolzensicherung gegen Herausgleiten des Rostbolzens aus einem Rostband eines Rostvorwärmers, Rostbandkühlers o.dgl.

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609530B1 (fr) * 1987-01-09 1991-01-11 Traitement Indl Residus Urbain Grille de foyer, avec des barreaux transversaux en elements solidarises par leurs faces frontales
USD317648S (en) 1987-10-02 1991-06-18 B & S Miljoteknik Element of a moveable grate surface for incinerators
EP0650017B1 (fr) * 1993-10-21 1998-04-22 Asea Brown Boveri Ag Grille pour un foyer
US6981455B2 (en) * 2002-03-08 2006-01-03 Lefcort Malcolm D Two-stage wet waste gasifier and burner
MXPA04012818A (es) * 2002-06-24 2005-03-31 Basic J N Sen Rejillas secadoras de temperatura controlada para un incinerador.
GB2483479A (en) * 2010-09-09 2012-03-14 Tiska Gmbh Furnace grate bars
JP5871541B2 (ja) * 2011-09-29 2016-03-01 荏原環境プラント株式会社 ストーカ式焼却炉の火格子の取り付け構造及びストーカ式焼却炉
EP3982044B1 (fr) * 2020-10-08 2024-04-24 Martin GmbH für Umwelt- und Energietechnik Procédé pour maintenir ensemble des barreaux de grille adjacents, ainsi qu'un ensemble de barreaux de grille

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1168367A (en) * 1912-04-27 1916-01-18 Otto Wundrack Mechanical stoker.
DE386160C (de) * 1921-02-04 1923-12-17 Hans Beer Jun Feuerungsrost
DE436637C (de) * 1925-03-31 1926-11-05 Babcock & Wilcox Dampfkessel W Treppenrost mit nachgiebig gegen die Rostkoerper gedrueckten Seitenwangen
AT131212B (de) * 1929-04-10 1933-01-10 Clemens Schlink Rost aus Flacheisenstäben mit auswechselbarer Feuerbahn.
US2263403A (en) * 1938-12-13 1941-11-18 Westinghouse Electric & Mfg Co Stoker grate construction
US3563190A (en) * 1969-08-12 1971-02-16 Canton Stoker Corp Incinerator stoker grate and trunnion assembly
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
US4103627A (en) * 1975-09-04 1978-08-01 Morse Boulger, Inc. Stoker and grate therefore
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
DE2805712C2 (de) * 1978-02-10 1980-01-31 Josef Martin Feuerungsbau Gmbh, 8000 Muenchen Roststab, insbesondere für mechanisch bewegte Schürroste von Großfeuerungen
DE2808057C2 (de) * 1978-02-24 1980-02-14 Josef Martin Feuerungsbau Gmbh, 8000 Muenchen Rostbelag für mechanisch bewegte stufenförmige Feuerungsroste von Großfeuerungen
DE2809845C2 (de) * 1978-03-07 1980-03-06 Josef Martin Feuerungsbau Gmbh, 8000 Muenchen Rostbelag, insbesondere für Großfeuerungen
DE3049086C2 (de) * 1980-12-24 1983-07-14 Widmer & Ernst AG, 5430 Wettingen Roststabreihe für Feuerungsroste von Verbrennungsöfen
CH669447A5 (fr) * 1982-05-13 1989-03-15 Von Roll Ag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9114836U1 (de) * 1991-11-29 1992-02-06 Zementanlagen- und Maschinenbau GmbH Dessau, O-4500 Dessau Rostbolzensicherung gegen Herausgleiten des Rostbolzens aus einem Rostband eines Rostvorwärmers, Rostbandkühlers o.dgl.

Also Published As

Publication number Publication date
JPS6060416A (ja) 1985-04-08
DE3330636C1 (de) 1985-01-10
EP0152521A2 (fr) 1985-08-28
US4548139A (en) 1985-10-22
DK404184D0 (da) 1984-08-23
DK404184A (da) 1985-02-25
EP0152521A3 (en) 1986-04-09

Similar Documents

Publication Publication Date Title
DE3734390C2 (de) Verbund für Fertigschalungen
DE2808057C2 (de) Rostbelag für mechanisch bewegte stufenförmige Feuerungsroste von Großfeuerungen
AT405757B (de) Verbindungsstück für die lösbare verbindung zweier profilstäbe, vorzugsweise aus leichtmetall
DE2702750C3 (de) Gleitschuh für die Spanneinrichtung einer Gnfcenverbmivorrichtung
EP0452256A1 (fr) Connexion angulaire de deux profilés avec prolongation en C utilisant un connecteur et un élément en angle pour le montage de ladite connexion
DE3513384A1 (de) Profilsystem zum bau von montageeinrichtungen, stuetzkonstruktionen und transportbaendern
EP0152521B1 (fr) Placage de grille pour des grilles en gradins à mouvement mécanique pour foyers de grande capacité
DE3223181A1 (de) Befestigungsvorrichtung fuer verschlussplatten an einem schiebeverschluss fuer den ausguss an metallschmelze enthaltenden behaeltern
DE4115224C2 (de) Spannvorrichtung für Oberwerkzeuge an Abkantpressen
DE2737936C3 (de) Justiereinrichtung im Verbindungsweg zwischen einer Schaftmaschine und einem Schaft
DE3941937C2 (fr)
EP0904459A1 (fr) Dispositif de commutation de lames d'aiguille
DE69208864T2 (de) Einrichtung zum Befestigen eines Führungsschuhs auf dem unteren Teil einer Aufzugsschiebetür
DE19514685C2 (de) Anordnung von mehreren Pfahlschuhen
DE69006308T2 (de) Stütz- und Verankerungsvorrichtung für vorgefertigte, insbesondere aus Beton oder ähnlichem hergestellte Gebäudeteile.
EP1031668B1 (fr) Elément de construction pour l'isolation thermique
DE3941935C2 (de) Spannschloß
DE69127853T2 (de) Kokillen-Vorrichtung mit veränderlicher Breite
DE3507310A1 (de) Schienenbefestigung
DE102011053263B4 (de) Leitschwellenschranke sowie Fahrzeugrückhaltesystem mit einer Leitschwellenschranke
DE3604963A1 (de) Einsatz zum unterteilen einer giessform
EP0161634A2 (fr) Poussard en particulier applicable aux travaux de blindage, p.e. blindage de tranchée
DE19940060C1 (de) Verspannungseinrichtung zwischen einer Zungenschiene und dem zugehörigen Zungenkloben
DE2508274A1 (de) Geruestverbindung
DE7806363U1 (de) Hoehenverstellbare schachtabdeckung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): BE CH FR GB LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE CH FR GB LI NL SE

17P Request for examination filed

Effective date: 19860930

17Q First examination report despatched

Effective date: 19870526

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH FR GB LI NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19880309

Ref country code: BE

Effective date: 19880309

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19880331

ET Fr: translation filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19881124

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19970710

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980831

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980831

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20000824

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20020430

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST