EP1574784A1 - Grille à rouleaux - Google Patents

Grille à rouleaux Download PDF

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Publication number
EP1574784A1
EP1574784A1 EP05005107A EP05005107A EP1574784A1 EP 1574784 A1 EP1574784 A1 EP 1574784A1 EP 05005107 A EP05005107 A EP 05005107A EP 05005107 A EP05005107 A EP 05005107A EP 1574784 A1 EP1574784 A1 EP 1574784A1
Authority
EP
European Patent Office
Prior art keywords
grate
walzenabstreifträger
cooling channels
roller
rollers
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
EP05005107A
Other languages
German (de)
English (en)
Other versions
EP1574784B1 (fr
Inventor
Bernhard Dr. Zimmermann
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 Inova Steinmueller GmbH
Original Assignee
Fisia Babcock Environment GmbH
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 Fisia Babcock Environment GmbH filed Critical Fisia Babcock Environment GmbH
Publication of EP1574784A1 publication Critical patent/EP1574784A1/fr
Application granted granted Critical
Publication of EP1574784B1 publication Critical patent/EP1574784B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H9/00—Revolving-grates; Rocking or shaking grates
    • F23H9/02—Revolving cylindrical grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H15/00—Cleaning arrangements for grates; Moving fuel along grates

Definitions

  • the invention relates to a roller grate for operating an incinerator, in particular a refuse incineration with a paraxial distance juxtaposed rotating rollers existing conveyor grate for the Combustion material, wherein the rollers gas passage openings for the introduction of air and / or gas in the combustion chamber or the combustion material and have between the adjacent rollers, a gap is maintained, in the Scrapers are provided on one below the gap arranged Abstreifiva are attached.
  • Schlei iron Scrapers are used to prevent or minimize slippage of Combustion material through the spaces between the rollers.
  • the grate rollers of such roller grates have a Roll shell formed from grate bars on.
  • the allocation of the primary Combustion air takes place separately for each grate roller via air supply channels in the Ash hopper, which are located below the roller grate.
  • the combustion air flows through the slots between the grate bars from below through the Roll body and leaves it at the top also through slots between the grate bars.
  • Between the spaced apart Grate rollers are storage spaces in which the kiln is circulated and with Combustion air is brought into contact.
  • Scrapers provide for cleaning of the grate bars from buildup due to Slag formation. Such scrapers are rigid and can be provided with brushes be (EP 01 57 920).
  • the object of the present invention is therefore a roller grate to introduce, which avoids these mentioned disadvantages and inadmissible thermal Strains of the scraper and Abstreifiva prevented or reduced so that In this regard, no malfunction of the roller grate are to be expected. According to the invention this object is achieved by the features of claims 1 and 5 solved. Further advantageous embodiments of the invention are the subject of respectively associated subclaims.
  • the invention includes a roller grate and a Walzenabstreifiva for a roller grate for operating a combustion system, in particular a Waste incineration plant, wherein the roller grate from a paraxial axis juxtaposed rotating grate rollers existing conveyor grate for the incineration is formed. Between the adjacent rollers is a Intermediate space maintained in the Walzenabstreifer are provided with the are connected below the gap arranged Walzenabstreifnum. According to the Walzenabstreifjazi is designed to cool and this advantageously provided with means for acting on a cooling medium.
  • the Abstreif with Provided cooling channels.
  • the cooling channels in the upper region of the Abstreifhers over the entire width arranged.
  • the cooling channels are according to another preferred feature of the invention with Supply and return lines for the cooling medium connected.
  • Supply and return lines for the cooling medium connected.
  • the gap between the Scrapers and the rollers during assembly by adjusting the Schlei iron be reduced, resulting in a reduced Rost tofall and improved Primary air distribution is achieved.
  • roller grate with an axially parallel in the distance juxtaposed rotating grate rollers 1 existing conveyor grate for the combustion material shown, between the adjacent rollers 1 a Interspace is met, in which the Walzenabstreifer 2 are provided, the with a roll stripper carrier 3 arranged below the intermediate space
  • the roller grate is preferably for operating a Combustion plant, in particular a waste incineration plant suitable. The mostly consisting of scrap iron scraper 2 are used to prevent or Minimization of slippage of combustible material through the interstices between the rollers 1.
  • the Abstreifpound 3 is designed to be coolable and with means for applying provided with a cooling medium.
  • Cooling channels 4 provided with the supply and return lines 6, 7 for the Cooling medium are connected.
  • the cooling medium is preferably cooling water used.
  • the cooling channels 4 can only during startup of the system or during be charged with a cooling medium of the entire operation of the system.
  • Cooling medium is preferably used water.
  • a Walzenabstreifcum 3 is shown in section.
  • the cooling channels 4 are formed here over the entire width of the Abstreifnums 3.
  • On the sides are the supply and return lines 6, 7 arranged for the cooling medium.
  • the Flow reversal occurs on the opposite side.
  • the two cooling channels 4 via each separate front and Return lines have, both in DC and in countercurrent can be cooled.
  • the supply and return lines in the middle of Abstreiflie be provided, with the flow reversal on both sides can be done. It is also possible only the supply or return line in the middle provide and arrange return or flow lines on both sides.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
EP20050005107 2004-03-09 2005-03-09 grille à rouleaux Active EP1574784B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004011834 2004-03-09
DE200410011834 DE102004011834A1 (de) 2004-03-09 2004-03-09 Walzenrost

Publications (2)

Publication Number Publication Date
EP1574784A1 true EP1574784A1 (fr) 2005-09-14
EP1574784B1 EP1574784B1 (fr) 2015-04-29

Family

ID=34813652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050005107 Active EP1574784B1 (fr) 2004-03-09 2005-03-09 grille à rouleaux

Country Status (2)

Country Link
EP (1) EP1574784B1 (fr)
DE (1) DE102004011834A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1286528A (fr) * 1961-04-21 1962-03-02 Stadt Duesseldorf Installation d'incinération d'ordures ménagères
DE1164014B (de) 1962-05-25 1964-02-27 Ver Kesselwerke Ag Rostwalze fuer Walzenrost zur Muellverbrennung
DE3316363A1 (de) 1983-05-05 1984-11-08 Deutsche Babcock Anlagen Ag, 4200 Oberhausen Walzenrost fuer muellverbrennungsanlagen
EP0157920A2 (fr) 1983-12-23 1985-10-16 AWG Abfallwirtschaftsgesellschaft mit beschränkter Haftung Wuppertal Rouleau de grille pour grille à rouleaux par exemple d'une installation d'incinération des ordures ou similaire
DE4418924A1 (de) 1993-01-13 1995-12-07 Rbu Rolf Becker Gmbh Ingieneur Walzenrost für einen Verbrennungskessel mit einstellbaren Dichtelementen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2045115A (en) * 1930-07-03 1936-06-23 John E Allen Refuse destructor
US5027719A (en) * 1990-02-28 1991-07-02 Wellons, Inc. Rotary grate for a solid fuel furnace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1286528A (fr) * 1961-04-21 1962-03-02 Stadt Duesseldorf Installation d'incinération d'ordures ménagères
DE1164014B (de) 1962-05-25 1964-02-27 Ver Kesselwerke Ag Rostwalze fuer Walzenrost zur Muellverbrennung
DE3316363A1 (de) 1983-05-05 1984-11-08 Deutsche Babcock Anlagen Ag, 4200 Oberhausen Walzenrost fuer muellverbrennungsanlagen
EP0157920A2 (fr) 1983-12-23 1985-10-16 AWG Abfallwirtschaftsgesellschaft mit beschränkter Haftung Wuppertal Rouleau de grille pour grille à rouleaux par exemple d'une installation d'incinération des ordures ou similaire
DE4418924A1 (de) 1993-01-13 1995-12-07 Rbu Rolf Becker Gmbh Ingieneur Walzenrost für einen Verbrennungskessel mit einstellbaren Dichtelementen

Also Published As

Publication number Publication date
EP1574784B1 (fr) 2015-04-29
DE102004011834A1 (de) 2005-10-06

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