EP0480123B1 - Support pour plaque de grille d'un refroidisseur à grilles poussantes - Google Patents

Support pour plaque de grille d'un refroidisseur à grilles poussantes Download PDF

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Publication number
EP0480123B1
EP0480123B1 EP91108374A EP91108374A EP0480123B1 EP 0480123 B1 EP0480123 B1 EP 0480123B1 EP 91108374 A EP91108374 A EP 91108374A EP 91108374 A EP91108374 A EP 91108374A EP 0480123 B1 EP0480123 B1 EP 0480123B1
Authority
EP
European Patent Office
Prior art keywords
grate
plates
round steel
disposed
grate plate
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
EP91108374A
Other languages
German (de)
English (en)
Other versions
EP0480123A1 (fr
Inventor
Lothar Dipl.-Ing. Jungemann
Herbert Dipl.-Ing. Pingel
Johannes-Josef Auf Dem Venne
Hermann Dipl.-Ing. Niemerg
Manfred Strohbush
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.)
ThyssenKrupp Industrial Solutions AG
Original Assignee
Krupp Polysius 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 Krupp Polysius AG filed Critical Krupp Polysius AG
Publication of EP0480123A1 publication Critical patent/EP0480123A1/fr
Application granted granted Critical
Publication of EP0480123B1 publication Critical patent/EP0480123B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • F27D15/0206—Cooling with means to convey the charge
    • F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
    • 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
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—Cooling
    • F27D15/0206—Cooling with means to convey the charge
    • F27D15/0213—Cooling with means to convey the charge comprising a cooling grate
    • F27D15/022—Cooling with means to convey the charge comprising a cooling grate grate plates
    • F27D2015/0226—Support, fixation of the grate

Definitions

  • the invention relates to a grate plate carrier for a moving grate cooler, according to the preamble of claim 1.
  • grate plate supports are designed as welded or cast structures. Since these are relatively large machine parts that also have to be subjected to extensive subsequent processing, the manufacture of the known grate plate carriers is quite complicated.
  • the grate plates of grate plate rows moving in opposite directions from one another each have a shell-shaped grate plate carrier and to form a grate support plate covering this grate plate support, two adjacent grate support plates with their mutually facing edges being supported on each grate plate support by engaging in the shell-like design of the associated grate plate support.
  • the grate plate supports of each grate plate row grip at their rear ends with a joint socket over a common tube and are supported loosely and articulated on it, while their front ends (together with the associated grate support plate) rest on a grate plate or grate plate group underneath support.
  • the grate support plates comprise the grate plate supports at their front ends in a hook shape, while at their rear ends they overlap a groove attached to the grate plate support and are detachably attached to the grate plate support in this way.
  • DE-C-920 028 shows a counter-thrust nozzle plate grate that is largely similar to the previously described embodiment and also serves to burn fuels.
  • This known design is primarily concerned with the arrangement of movable sealing rods between two adjacent grate plates in order to prevent fuel from falling through.
  • the two longitudinal side walls of each grate plate are each provided with a corresponding longitudinal recess, in each of which a sealing rod is arranged to be loosely movable.
  • the invention is based on the object of designing a grate plate carrier for a moving grate cooler in accordance with the preamble of claim 1 in such a way that particularly simple manufacture results which, in particular, does not require any complicated mechanical reworking.
  • the grate plate carrier contains a solid round steel extending over the entire length of the grate plate row, on which the grate plates are held by upright (attached) web plates, all web plates in a row being connected via a longitudinal strut arranged parallel to the round steel bar, and for holding the grate plates between adjacent web plates arranged fastening bolts are provided.
  • the solid round steel used according to the invention is only cut to length and undergoes no further machining.
  • the attached web plates which are expediently welded upright to the round steel, do not lead to distortion of the grate plate carrier.
  • the longitudinal strut connected to the web plates also contributes to the stabilization of the grate plate carrier, the grate plates being able to be held reliably and interchangeably with the aid of the fastening bolts.
  • the grate plate carrier according to the invention is somewhat heavier than the previous designs, there are significant price advantages. No high demands are made on the production, which is particularly advantageous for production in developing countries.
  • the grate plate carrier according to the invention allows better air flow under the grate plates than the previously known designs, in particular welded box girders.
  • a moving grate cooler usually contains fixed and movable grate plates which follow one another in the conveying direction of the cooler and are arranged next to one another in rows running transversely to the conveying direction.
  • a movable grate plate carrier is illustrated.
  • It contains a solid round steel 1 extending over the entire length of the row, which can have a diameter of 140 mm, for example.
  • the individual grate plates 2 are each supported on two spaced-apart web plates 3.
  • the center line of the individual grate plates 2 is designated by 4 in FIG.
  • All web plates 3 in a row are connected via a longitudinal strut 5 which is arranged parallel to the round steel 1 and is preferably welded to the web plates.
  • Fastening bolts 6, which are arranged between adjacent web plates 3 and which on the one hand engage in an eye 2a arranged on the underside of the grate plates 2 and on the other hand reach through a bore 5a of the longitudinal strut 5, are used to hold the grate plates 2, nuts 7 arranged on the fastening bolts 6 Support on the longitudinal strut 5.
  • the round steel 1 is connected to two feet 8, by means of which it is supported on two supports 9.
  • These supports 9 can - if the round steel 1 is the movable grate plate support - for example be part of a reciprocating frame that is movable back and forth perpendicular to the plane of the drawing in FIG. 1 and which provides the necessary movement in the movable grate plate support and thus the movable grate plates carried by it Conveying direction of the moving grate cooler gives.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Details (AREA)
  • Incineration Of Waste (AREA)

Claims (3)

  1. Support de plaques de grille d'un refroidisseur à grilles poussantes, comprenant
    a) des plaques fixes et mobiles de grille (2) qui se succèdent dans la direction du transport du refroidisseur et qui sont juxtaposées en rangées perpendiculaires à la direction de transport,
    b) ainsi que des éléments de support de plaques de grilles destinés à la fixation d'au moins les plaques de grille d'une rangée, caractérisé en ce que
    c) une barre ronde massive d'acier (1) se prolongeant sur la longueur totale de la rangée est prévue;
    d) les plaques de grille (2) sont fixées par des tôles d'appui (3) posées de chant sur cette barre ronde (1);
    e) toutes les tôles d'appui (3) d'une rangée sont reliées par une entretoise longitudinale (5) qui est parallèle à la barre ronde (1) ;
    f) des boulons de fixation (6) sont prévus pour la fixation des plaques de grille (2) entre tôles voisines (3).
  2. Support de plaques de grille selon la revendication 1, caractérisé en ce que le bord inférieur des tôles d'appui (3) qui est tourné vers la barre ronde (1) est découpé en arc de cercle conformément au contour de la circonférence de la barre ronde et ces tôles sont de préférence soudées à la barre ronde, chacune des plaques individuelles de grille (2) reposant sur deux tôles d'appui (3) placées à distance l'une de l'autre.
  3. Support de plaques de grille selon la revendication 1, caractérisé en ce que chacun des boulons de fixation (5) d'une part passe par un oeillet (2a) disposé sur le côté inférieur des plaques de grille (2) et d'autre part passe par un trou (5a) de l'entretoise longitudinale (5) qui est de préférence soudée aux tôles d'appui (3), des écrous (7) montés sur les boulons de fixation (6) prenant appui sur l'entretoise longitudinale (5).
EP91108374A 1990-09-07 1991-05-23 Support pour plaque de grille d'un refroidisseur à grilles poussantes Expired - Lifetime EP0480123B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9012810U 1990-09-07
DE9012810U DE9012810U1 (de) 1990-09-07 1990-09-07 Schubrostkühler

Publications (2)

Publication Number Publication Date
EP0480123A1 EP0480123A1 (fr) 1992-04-15
EP0480123B1 true EP0480123B1 (fr) 1995-01-11

Family

ID=6857281

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91108374A Expired - Lifetime EP0480123B1 (fr) 1990-09-07 1991-05-23 Support pour plaque de grille d'un refroidisseur à grilles poussantes

Country Status (2)

Country Link
EP (1) EP0480123B1 (fr)
DE (2) DE9012810U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4320725A1 (de) * 1993-06-23 1995-01-05 Kloeckner Humboldt Deutz Ag Schubrostkühler zum Abkühlen von heißem Gut
US5575642A (en) * 1995-12-01 1996-11-19 The Carondelet Corporation Grate plate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE920028C (de) * 1949-09-04 1954-11-11 Artur Jungk Mechanischer Gegenschub-Duesenplattenrost
DE1013822B (de) * 1953-08-12 1957-08-14 Keller G M B H Rostplatte fuer Gegenschubrost
DE3734043A1 (de) * 1987-10-08 1989-04-20 Kloeckner Humboldt Deutz Ag Rostkuehler zum kuehlen von heissem schuettgut

Also Published As

Publication number Publication date
DE9012810U1 (de) 1990-11-08
EP0480123A1 (fr) 1992-04-15
DE59104228D1 (de) 1995-02-23

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