EP3369992B1 - Drehrostvorrichtung mit einer abreinigungsvorrichtung - Google Patents

Drehrostvorrichtung mit einer abreinigungsvorrichtung Download PDF

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Publication number
EP3369992B1
EP3369992B1 EP18159109.0A EP18159109A EP3369992B1 EP 3369992 B1 EP3369992 B1 EP 3369992B1 EP 18159109 A EP18159109 A EP 18159109A EP 3369992 B1 EP3369992 B1 EP 3369992B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
grate
frame
drive shaft
rotatable grate
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.)
Not-in-force
Application number
EP18159109.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3369992A1 (de
Inventor
Markus Tamerle
Leopold 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 Generations Group 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 PL18159109T priority Critical patent/PL3369992T3/pl
Publication of EP3369992A1 publication Critical patent/EP3369992A1/de
Application granted granted Critical
Publication of EP3369992B1 publication Critical patent/EP3369992B1/de
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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
    • F23B30/04—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel-supporting surfaces that are rotatable around a horizontal or inclined axis and support the fuel on their inside, e.g. 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/02—Arrangement or mountings of fire-grate assemblies; Arrangement or mountings of linings for fire-boxes, e.g. fire-backs 

Definitions

  • the invention relates to a rotating grate device according to the preamble of patent claim 1.
  • a rotating grate device of the type mentioned is from the patent document DE 10 2008 046 078 A1 known.
  • This rotary grate device for a solid fuel boiler consists of a slatted grate rotatably mounted in a frame and a cleaning device engaging between individual slats of the slatted grate.
  • the cleaning device makes it possible to loosen impurities from the slatted grate and thus prevent the same from clogging.
  • the lamella grate like the solution according to the invention explained below, is rotated discontinuously, only at certain times.
  • the invention has for its object to improve a rotating grate device of the type mentioned.
  • a particularly reliable working and inexpensive to manufacture rotary grate device is to be created.
  • This object is achieved with a rotating grate device of the type mentioned by the features listed in the characterizing part of patent claim 1.
  • the frame is made using casting technology, that the slatted grating is made in one piece using casting technology, and that parts of the cleaning device are designed to be horizontally movable between adjacent slats.
  • the rotating grate device according to the invention is characterized in that the slatted grate is not made from individual slats, but is cast in one piece.
  • the distances between the individual lamellae are therefore invariable, apart from a certain amount of expansion due to heat, which in turn has the advantage that the cleaning device can be installed very easily and self-centering between the lamellae.
  • the rotary grate device for a solid fuel boiler shown in the figures initially consists in a known manner of at least one (there may also be several) slatted grate 2, which can be rotated through at least 360 ° in a frame 1, and one between individual ones Slats 2.1 of the slatted grating 2 engaging cleaning device 3.
  • the lamella grate 2 has a rectangular and / or essentially flat fuel support surface 2.3 and the frame 1 has a recess 1.2 which is adapted to the shape of the fuel support surface 2.3.
  • the stipulation "essentially flat” means that - as can also be seen from the figures - a slight curvature of the fuel support surface 2.3 can be provided (but does not have to be), but the radius of curvature is at least twice as large as a larger side length of the Slatted frame 2.
  • the frame 1 - to a certain extent to enlarge the fuel support surface 2.3, forms a flat edge region 1.3 around the lamella grate 2.
  • the lamellae 2.1 are designed as flat, preferably about 5 mm thick, plates and are arranged parallel to one another.
  • the lamella grate 2 has an approximately triangular cross-section in a side view - that is, perpendicular to the top view of the fuel support surface 2.3 - the corners of the triangle being rounded.
  • the frame 1 and the slatted grate 2 are produced by casting and parts of the cleaning device 3 are designed to be horizontally movable between adjacent slats 2.1.
  • the lamella grate 2 produced in one piece by casting technology consists on the one hand of the slats 2.1 and on the other hand of a drive shaft 2.2 which connects the slats 2.1 to one another and is connected to an (optional motor or manual) drive (neither of which is shown separately) , which is preferably (as shown) oriented perpendicular to the lamellae 2.1 and / or is arranged on a side of the lamellae 2.1 opposite the fuel support surface 2.3.
  • At least one pivot bearing 1.1 for the drive shaft 2.2 of the slatted grating 2 is particularly preferably provided on the frame 1.
  • This pivot bearing 1.1 is made when casting the frame 1, ie the frame 1 and that Rotary bearings 1.1 are cast at the same time during the manufacture of the frame 1 - that is, at the same time.
  • the drive shaft 2.2 which is integrally connected to the plates 2.1 is fastened to the rotary bearing 1.1 by means of a fixing element 4, the fixing element 4 being provided with a bore 4.1 which has a diameter which matches the drive shaft 2.2.
  • the cleaning device 3 consists on the one hand of a plurality of cleaning brackets 3.1 and a fastening element 3.2 for fixing the cleaning bracket 3.1 on the frame 1.
  • a free distance between the slats 2.1 is somewhat larger than the thickness of a cleaning bracket 3.1.
  • the requirement "somewhat larger” means that the distance is larger, but at most twice as large as the thickness of the cleaning bracket 3.1, because the latter could otherwise inadequately fulfill its task.
  • the cleaning bracket 3.1 it is also preferably provided that it consists of a sheet metal with a first edge region 3.1.1 designed to partially enclose the drive shaft 2.2.
  • the first edge region 3.1.1 thus has a U-shaped receiving region for the drive shaft 2.2, it also being provided that a second edge region 3.1.2 of the cleaning bracket 3.1 opposite the first edge region 3.1.1 is designed to be mounted on the frame 1 is.
  • fastening element 3.2 which is preferably screwed to the frame 1
  • the rotary grate device which is arranged at the lower end of a combustion chamber of a solid fuel boiler, functions as follows: First, the combustion chamber is charged with solid fuel and the combustion of the solid fuel is started. The ember bed lies on the fuel support surface 2.3. The combustion is monitored. As soon as a predetermined point in time has been reached or a need for rotation has been detected in some other way, for example because not enough air is coming from below through the grate into the ember bed, the lamella grate 2 is typically rotated via the drive shaft 2.2 via a motor, but alternatively also by hand.
  • the cleaning bracket 3.1 When turning, the cleaning bracket 3.1, which is held relatively loosely between the drive shaft 2.2 and the frame 1, wipes off possible combustion residues from the slatted grate 2, and without any great risk of the rotating grate device jamming. Since the distances between the slats 2.1 also due to the manufacture Practically not change by casting, there is also no tolerance compensation for the cleaning brackets 3.1, which has been customary until now, and which, as mentioned, is floating and self-centering on the frame 1.
  • the fuel support surface 2.3 is again ready to carry a new ember bed which can be supplied with air well from below, so that again a low-pollutant combustion process can be implemented or guaranteed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Incineration Of Waste (AREA)
EP18159109.0A 2017-03-03 2018-02-28 Drehrostvorrichtung mit einer abreinigungsvorrichtung Not-in-force EP3369992B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18159109T PL3369992T3 (pl) 2017-03-03 2018-02-28 Urządzenie z rusztem obrotowym z urządzeniem czyszczącym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017104445.0A DE102017104445B3 (de) 2017-03-03 2017-03-03 Drehrostvorrichtung

Publications (2)

Publication Number Publication Date
EP3369992A1 EP3369992A1 (de) 2018-09-05
EP3369992B1 true EP3369992B1 (de) 2020-04-01

Family

ID=60951516

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18159109.0A Not-in-force EP3369992B1 (de) 2017-03-03 2018-02-28 Drehrostvorrichtung mit einer abreinigungsvorrichtung

Country Status (3)

Country Link
EP (1) EP3369992B1 (pl)
DE (1) DE102017104445B3 (pl)
PL (1) PL3369992T3 (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115446084B (zh) * 2022-10-13 2023-08-04 桦甸市润洁环保有限公司 一种生活垃圾衍生燃料加工设备及其加工工艺
CN117346149A (zh) * 2023-10-28 2024-01-05 中船绿洲环保(南京)有限公司 一种船用焚烧炉的炉排
AT527904A1 (de) * 2023-11-06 2025-06-15 Kwb Energiesysteme Gmbh Brenner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2178523A (en) * 1983-08-27 1987-02-11 Aarrow Dynamics Limited Fire grates
AT410128B (de) * 2000-11-08 2003-02-25 Ferdinand Dipl Ing Tischler Rost für feste brennstoffe
AT506411B1 (de) * 2008-04-29 2009-09-15 Eta Heiztechnik Gmbh Rost für feste brennstoffe
DE102008046078A1 (de) * 2008-09-08 2010-03-11 Viessmann Werke Gmbh & Co Kg Heizkessel zur Verbrennung von Festbrennstoffen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PL3369992T3 (pl) 2020-11-16
EP3369992A1 (de) 2018-09-05
DE102017104445B3 (de) 2018-02-01

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