EP2161498A1 - Chaudière pour la combustion de combustibles solides - Google Patents

Chaudière pour la combustion de combustibles solides Download PDF

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Publication number
EP2161498A1
EP2161498A1 EP09011193A EP09011193A EP2161498A1 EP 2161498 A1 EP2161498 A1 EP 2161498A1 EP 09011193 A EP09011193 A EP 09011193A EP 09011193 A EP09011193 A EP 09011193A EP 2161498 A1 EP2161498 A1 EP 2161498A1
Authority
EP
European Patent Office
Prior art keywords
grate
elements
boiler according
heating boiler
rostabstreifelemente
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
EP09011193A
Other languages
German (de)
English (en)
Other versions
EP2161498B1 (fr
Inventor
Leo Dworiankin
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.)
Viessmann Werke GmbH and Co KG
Original Assignee
Viessmann Werke GmbH and Co KG
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 Viessmann Werke GmbH and Co KG filed Critical Viessmann Werke GmbH and Co KG
Priority to PL09011193T priority Critical patent/PL2161498T3/pl
Publication of EP2161498A1 publication Critical patent/EP2161498A1/fr
Application granted granted Critical
Publication of EP2161498B1 publication Critical patent/EP2161498B1/fr
Not-in-force 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
    • F23H15/00—Cleaning arrangements for grates; Moving fuel along grates
    • 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
    • F23H9/06—Revolving-grates; Rocking or shaking grates the bars being rocked about axes transverse to their lengths

Definitions

  • the invention relates to a boiler for combustion of solid fuels according to the preamble of the independent claim 1 and relates to the formation of the grate in such boilers.
  • DE 451 676 A and DE 35 24 961 A1 also known as rotatable grates.
  • DE 176 235 A it is a device for train increase, in which a draft tube with mosachsparallelen slits is installed in a draft tube to burn on this rust under certain conditions a so-called train fire, after firing of the lock fire of the rotary grate with its support level back in the drawing direction is reset.
  • auxiliary grate In a shaft furnace after the DE 451 676 A If there is a special folding or rotating grate construction, as in the interior of a drum-like rotatable and unilaterally open, so-called auxiliary grate a two-piece main grate is arranged separately mounted on axes of rotation parts for emptying or cleaning needs and at downwardly open but after above closed auxiliary grate pivoted downwards to drop the ashes into the ash collection room.
  • a special construction represents a boiler after the DE 35 24 961 A1 which is intended in particular for the combustion of straw or other pressed bulk material.
  • the grate formed as a rotating grate is formed here from two spaced-apart, counter-rotating, so-called scraper rollers, which drop the scraped ash onto a conveyor screw arranged between the scraper rollers.
  • the invention has for its object to improve them with respect to their formation of rust in terms of their training, handling and effectiveness.
  • the grate with its grate elements (in relation to the rest of the boiler) is designed to be rotatable relative to the grate stripping elements.
  • the grate invention is to rotate 360 °, the (essentially) fixed scrapers finger-like engage in the grate gaps to thereby, apart from the automatically falling ash, to remove adherent residues from the grate, to strip and to let dissolved residues fall directly from the grid, just because the rust is turned altogether.
  • the grate according to the invention is such that it comprises grating elements arranged perpendicular to a central axis of rotation and free on both sides, and that the grate stripping elements associated with the grate elements are held substantially stationary.
  • the proviso "held substantially stationary” takes account of the advantageous possibility to give the Rostabstreifimplantationn an albeit small Mitcard sadness what will be explained in more detail.
  • the grate elements and the Rostabstreifetti are in the form of mutually parallel lamellae, which means that not simply grate bars are present, but grate elements in the form of sheet metal blanks, which have a height with respect to the axis-related radius of rotation of the grate, which also Achs vom corresponds to at least half the turning radius.
  • the lamellae forming the grate elements are preferably substantially in the form of a flat, isosceles triangle, which is provided at its acute-angled corners with these compensating rounded portions, wherein a passage opening for the axis of the rotary grate is arranged centrally above its obtuse angle.
  • the boiler for the combustion of solid fuels consists with respect to the lower boundary of its combustion chamber 14 from a arranged above his ash collection chamber 15 and formed of grate elements 2 grate 1, sitting in a grate shape adapted bottom opening 16 of the firebox 14, unless the rust itself the whole Floor of the firebox forms.
  • the grate 1 is formed with its grate elements 2 with respect to its associated Rostabstreifimplantation 3 rotatable.
  • the grate 1 is formed from perpendicular to a central axis of rotation 4 extending arranged, free ends on both sides grate elements 2, wherein the grate elements 2 associated and held between these grating scraper elements 3 are kept substantially stationary.
  • grate elements 2 and the Rostabstreifetti 3 are formed in the form of mutually parallel lamellae, wherein the grate elements 2 compared to round cross-section grate bars or relatively narrow grate webs have a much greater height H.
  • the grate elements in side view a circular or approximately circular (eg. Elipse with large minor axis) Lamellenzuites to give, with the result that when turning the grate 1, the bottom opening 16 of the firebox 14 in each rotational position of the grate remains covered almost covering this, whereby a failure of not yet burned solid fuel parts is absolutely impossible.
  • the Rostabstreifetti 3 rotatably mounted with one end on the axis of rotation 4 and fixed with its other end in the illustrated embodiment below the bottom opening 16 between a support 7 and an abutment 8 against rotation, preferably with some play 17, creating a certain vibration effect the Rostabstreifimplantationn 3 can arise upon rotation of the grate 1.
  • the storage of Rostabstreifimplantation 3 on the axis of rotation 4 takes place by means of circular disks 9, one of which in FIG. 6 is marked with.
  • the circular disks 9 have a circular outer circumference and an axle penetration opening 12 adapted to the cross section of the rotational axis 4.
  • the grate 1 and its associated bottom opening 16 may be substantially circular in plan view, wherein furthermore all Rostabstreifimplantation 3 may be sized equal length.
  • the axis of rotation 4, on which the lamellar grate elements 2 are lined up to arrange rotationally fixed, is formed in cross-section, as shown, quadrangular, between the grate elements 2, the vorerrichten circular discs 9 are arranged as bearings and spacers for the Rostabstreifimplantation 3.
  • These circular disks 9, which also serve as spacers for the grate elements 2, are in their material thickness in relation to the strength of the ash and
  • the lamellae forming the grate elements 2 are designed essentially in the form of a flat, isosceles triangle 10 which is provided with its rounded corners 11 at its acute-angled corners, whereby a passage opening 12 for the rotation axis 4 is arranged centrally above its obtuse angle ⁇ .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Solid-Fuel Combustion (AREA)
EP09011193.1A 2008-09-08 2009-09-01 Chaudière pour la combustion de combustibles solides Not-in-force EP2161498B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09011193T PL2161498T3 (pl) 2008-09-08 2009-09-01 Kocioł grzewczy do spalania paliw stałych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008046078A DE102008046078A1 (de) 2008-09-08 2008-09-08 Heizkessel zur Verbrennung von Festbrennstoffen

Publications (2)

Publication Number Publication Date
EP2161498A1 true EP2161498A1 (fr) 2010-03-10
EP2161498B1 EP2161498B1 (fr) 2014-08-27

Family

ID=41263668

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09011193.1A Not-in-force EP2161498B1 (fr) 2008-09-08 2009-09-01 Chaudière pour la combustion de combustibles solides

Country Status (3)

Country Link
EP (1) EP2161498B1 (fr)
DE (1) DE102008046078A1 (fr)
PL (1) PL2161498T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20130312A1 (it) * 2013-03-01 2014-09-02 Ravelli S R L Braciere autopulente per stufa e relativa stufa
EP3985307A1 (fr) * 2020-10-19 2022-04-20 Fröling Heizkessel- und Behälterbau, Gesellschaft m.b.H Chaudière

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017104445B3 (de) * 2017-03-03 2018-02-01 Viessmann Werke Gmbh & Co Kg Drehrostvorrichtung

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE118399C (fr) *
DE176235C (fr)
DE451676C (de) 1925-06-03 1927-10-31 Carl Ritter Dipl Ing Kipprost mit schwenkbarem Hilfsrost fuer Schachtoefen
DE708578C (de) 1935-08-21 1941-07-24 Justus Burger Vorrichtung zum Entschlacken von Feuerungen
DE1120058B (de) 1955-04-25 1961-12-21 Vorkauf Heinrich Entschlackungsvorrichtung fuer Heizkessel
DE3046787A1 (de) * 1979-12-12 1981-08-27 Florentinus Westmalle Melis "heizungskessel mit festem brennstoff"
DE3524961A1 (de) 1985-07-12 1987-01-22 Karl Ackermann Verbrennungsofen oder heizkessel
EP1207342A2 (fr) * 2000-11-08 2002-05-22 Ferdinand Tischler Grille pour carburants solides
DE20216653U1 (de) 2002-10-19 2003-01-16 Wodtke GmbH, 72070 Tübingen Ofen oder Kleinfeuerungsanlage
EP1884712A2 (fr) * 2006-07-14 2008-02-06 Leopold Bicker Four doté d'un mécanisme de nettoyage de la grille

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE118399C (fr) *
DE176235C (fr)
DE451676C (de) 1925-06-03 1927-10-31 Carl Ritter Dipl Ing Kipprost mit schwenkbarem Hilfsrost fuer Schachtoefen
DE708578C (de) 1935-08-21 1941-07-24 Justus Burger Vorrichtung zum Entschlacken von Feuerungen
DE1120058B (de) 1955-04-25 1961-12-21 Vorkauf Heinrich Entschlackungsvorrichtung fuer Heizkessel
DE3046787A1 (de) * 1979-12-12 1981-08-27 Florentinus Westmalle Melis "heizungskessel mit festem brennstoff"
DE3524961A1 (de) 1985-07-12 1987-01-22 Karl Ackermann Verbrennungsofen oder heizkessel
EP1207342A2 (fr) * 2000-11-08 2002-05-22 Ferdinand Tischler Grille pour carburants solides
DE20216653U1 (de) 2002-10-19 2003-01-16 Wodtke GmbH, 72070 Tübingen Ofen oder Kleinfeuerungsanlage
EP1884712A2 (fr) * 2006-07-14 2008-02-06 Leopold Bicker Four doté d'un mécanisme de nettoyage de la grille

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20130312A1 (it) * 2013-03-01 2014-09-02 Ravelli S R L Braciere autopulente per stufa e relativa stufa
EP3985307A1 (fr) * 2020-10-19 2022-04-20 Fröling Heizkessel- und Behälterbau, Gesellschaft m.b.H Chaudière

Also Published As

Publication number Publication date
PL2161498T3 (pl) 2015-03-31
EP2161498B1 (fr) 2014-08-27
DE102008046078A1 (de) 2010-03-11

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