EP2372244A1 - Device for spreader feeding a grate with small lump fuel - Google Patents

Device for spreader feeding a grate with small lump fuel Download PDF

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Publication number
EP2372244A1
EP2372244A1 EP11450031A EP11450031A EP2372244A1 EP 2372244 A1 EP2372244 A1 EP 2372244A1 EP 11450031 A EP11450031 A EP 11450031A EP 11450031 A EP11450031 A EP 11450031A EP 2372244 A1 EP2372244 A1 EP 2372244A1
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EP
European Patent Office
Prior art keywords
housing
frame
fuel
axis
spindle drive
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EP11450031A
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German (de)
French (fr)
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EP2372244B1 (en
Inventor
Andreas Ing. Wilde
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Individual
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Individual
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Priority to SI201130401T priority Critical patent/SI2372244T1/en
Publication of EP2372244A1 publication Critical patent/EP2372244A1/en
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Publication of EP2372244B1 publication Critical patent/EP2372244B1/en
Priority to HRP20150160TT priority patent/HRP20150160T1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F23B40/02—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed by scattering over the fuel-supporting surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/16—Over-feed arrangements
    • F23K3/18—Spreader stokers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2203/00—Feeding arrangements
    • F23K2203/20—Feeding/conveying devices

Definitions

  • the invention relates to a device for litter feeding a grate with Malawi feasibleeligem fuel, comprising a drivable centrifugal, whose mounted on a frame housing is connected to a fuel supply line and having a tangential fuel ejection.
  • the invention is therefore based on the object, a device of the type described for the litter feed a grate in such a way that adapted to the particular fuel used conditions for a uniform litter feed the grate can be ensured.
  • the invention solves the problem set by the fact that the housing of the speed-adjustable impeller in a frame and the frame relative to the frame are mounted pivotably about mutually perpendicular pivot axes, one of which run parallel to the axis of the impeller and the other transverse to the fuel ejection.
  • the speed of the blast wheel can additionally influence the average takeoff speed and thus the flight distance, so that a favorable litter feed of the grate is achieved for different fuels, such as pellets of any kind, sewage sludge, spent grains, grain dregs, spooky substances, animal meals, but also plastics, paper and cellulosics and the like.
  • fuels such as pellets of any kind, sewage sludge, spent grains, grain dregs, spooky substances, animal meals, but also plastics, paper and cellulosics and the like.
  • the pivoting of the housing of the impeller relative to the frame and the frame relative to the frame receiving the impeller can be made in different ways. Simple handling conditions arise when for pivotal adjustment of the housing and the frame two parallel to the pivot axes of the housing and the frame spindle drives are provided, via which the pivoting adjustment of the height and the side can be made separately for each. Particularly advantageous design conditions arise in this context, when the spindle nut of the spindle drive engaging with the housing connected to the spindle nut of the other, perpendicular to the pivot axes of the housing and the frame slidably guided spindle drive and is pivotally mounted about an axis coaxial to this spindle drive.
  • this spindle drive does not need to be hinged to the housing itself, which eliminates the need for more complex measures for length compensation. It is only necessary to ensure that for the length compensation during pivoting of the housing and the frame of the housing engaging spindle drive relative to the housing is rotatably supported about its longitudinal axis and that the other spindle drive perpendicular to the pivot axes of the housing and the frame slidably relative to the frame to be led. Due to the rotational mounting of the spindle drive acting on the housing about the axis of the other spindle drive, the spindle drive acting on the housing can indeed be pivoted to the housing.
  • the device shown for litter feeding a grate of a combustion chamber, not shown, of a boiler with lumpy fuel comprises a roller 1 mounted in a housing 1, with the aid of which the fuel, which is supplied via a fuel supply line, not shown, the housing 1 via an axial connecting piece 3, is dropped by a fuel ejection 4 of the housing 1 through an opening 5 in the frontal wall 6 of the combustion chamber to the grate.
  • the controllable in terms of speed, flanged to the housing 1 drive motor for the impeller 2 is denoted by 7.
  • the housing 1 is in one the fuel ejection 4 enclosing frame 8 pivotally mounted, which is itself also pivotally mounted, in the case of the embodiment of the end-side combustion chamber wall 6, which is part of a frame 9.
  • the arrangement is made such that the pivot axis 10 for the frame 8 parallel to the axis of the spinner 2 and the pivot axis 11 of the housing 1 relative to the frame 8 perpendicular to the pivot axis 10 of the frame 8 and transverse to the fuel ejection 4.
  • the fuel ejection 4 both the height and the side can be adjusted to align the main trajectory of the fuel used in each case against the grate so that a sufficiently uniform for an advantageous combustion fuel shedding on the grate ensured becomes.
  • spindle drives 12 and 13 To adjust the respective pivotal positions of the housing 1 and thus of the fuel ejection 4, two parallel to the pivot axes 10 and 11 spindle drives 12 and 13 are provided. These identically constructed spindle drives 12, 13 each have spindles 14, 15 mounted in an enveloping tube, which are opposite the cladding tube rotatably but axially displaceably guided spindle nuts 16, 17 prevail.
  • a displacement guide 21 of the spindle drive 13 which is formed by guide rods 23 which are guided in frame-fixed slide bushes 22 and carry the end-side receiving bearings 24 for the spindle drive 13.
  • the housing 1 is pivoted about the horizontal pivot axis 11 relative to the frame 8, the spindle drive 12 being pivoted along.
  • the spindle drive 13 is rotatably mounted within the receiving bearing 24 of the sliding guide 21 about its axis. The turn necessary length compensation is obtained via the sliding guide 21, so that the fuel ejection 4 can be adjusted according to the respective discharge conditions per se on the spindle drives 12 and 13 of the height and the side.

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  • 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)
  • Solid-Fuel Combustion (AREA)
  • Toys (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

The device has a drivable centrifugal wheel (2) adjustable with respect to its rotation and comprising a housing (1) attached to a fuel supply line and supported on a frame (9). A framework (8) surrounds a fuel discharge recess (4) of the housing. The housing and the frame are supported around two pivot axes (10, 11) in a pivotally adjustable manner, where the pivot axes are perpendicular to each other. One of the pivot axes run parallel to an axis of the centrifugal wheel and the other pivot axis runs transverse to the discharge recess.

Description

Die Erfindung bezieht sich auf eine Vorrichtung zur Wurfbeschickung eines Rostes mit kleinstückeligem Brennstoff, umfassend ein antreibbares Schleuderrad, dessen auf einem Gestell gelagertes Gehäuse an eine Brennstoffzuleitung angeschlossen ist und einen tangentialen Brennstoffauswurf aufweist.The invention relates to a device for litter feeding a grate with kleinstückeligem fuel, comprising a drivable centrifugal, whose mounted on a frame housing is connected to a fuel supply line and having a tangential fuel ejection.

Zur Verbrennung kleinstückeliger Brennstoffe, wie Reststoffe aus der Papierproduktion, Klärschlamm, oder Reststoffe aus der Landwirtschaft ist es bekannt ( EP 1 416 224 A1 ), eine liegende Brennkammer vorzusehen, die auf einer Stirnwand ein Schleuderrad aufweist, mit dessen Hilfe der stückelige Brennstoff auf einen Rost abgeworfen wird. Mit Hilfe einer geeigneten Primär- und Sekundärluftführung können unter Zumischung rückgeführter, gekühlter Abgase in den Primär- und Sekundärluftstrom gleichmäßige Verbrennungstemperaturen eingehalten und damit entsprechende Voraussetzungen für eine schadstofffreie Verbrennung des Brennstoffs geschaffen werden. Solche Heizkessel setzen allerdings eine ausreichend gleichmäßige Verteilung der kleinstückeligen Brennstoffe über den Rost voraus, was mit herkömmlichen Wurfbeschickungen nur bedingt möglich ist und vor allem vom jeweils eingesetzten Brennstoff abhängt.For the combustion of kleinstückeliger fuels, such as residues from paper production, sewage sludge, or residues from agriculture, it is known ( EP 1 416 224 A1 ), to provide a horizontal combustion chamber having an impeller on an end wall, by means of which the lumpy fuel is dropped onto a grate. With the help of a suitable primary and secondary air flow uniform combustion temperatures can be maintained with the addition of recycled, cooled exhaust gases in the primary and secondary air flow and thus appropriate conditions for pollutant-free combustion of the fuel can be created. However, such boilers require a sufficiently uniform distribution of kleinstückeligen fuels over the grate, which is only partially possible with conventional litter feeds and depends mainly on the fuel used in each case.

Der Erfindung liegt somit die Aufgabe zugrunde, eine Vorrichtung der eingangs geschilderte Art zur Wurfbeschickung eines Rostes so auszugestalten, dass an den jeweils eingesetzten Brennstoff angepasste Bedingungen für eine gleichmäßige Wurfbeschickung des Rostes sichergestellt werden können.The invention is therefore based on the object, a device of the type described for the litter feed a grate in such a way that adapted to the particular fuel used conditions for a uniform litter feed the grate can be ensured.

Die Erfindung löst die gestellte Aufgabe dadurch, dass das Gehäuse des bezüglich seiner Drehzahl einstellbaren Schleuderrads in einem Rahmen und der Rahmen gegenüber dem Gestell um zueinander senkrechte Schwenkachsen schwenkverstellbar gelagert sind, von denen eine parallel zur Achse des Schleuderrads und die andere quer zum Brennstoffauswurf verlaufen.The invention solves the problem set by the fact that the housing of the speed-adjustable impeller in a frame and the frame relative to the frame are mounted pivotably about mutually perpendicular pivot axes, one of which run parallel to the axis of the impeller and the other transverse to the fuel ejection.

Zufolge dieser Maßnahmen wird es möglich, die Flugbahn des vom Schleuderrad durch den tangentialen Brennstoffauswurf des Gehäuses abfliegenden Hauptstroms des eingesetzten kleinstückeligen Brennstoffs in Abhängigkeit insbesondere von der durchschnittlichen Größe und Masse der Brennstoffteilchen so gegenüber dem Rost auszurichten, dass eine für eine gleichmäßige Verbrennung ausreichend gleichmäßige Verteilung des Brennstoffs über den Rost gewährleistet werden kann. Bei einer üblichen liegenden Anordnung des Schleuderrads mit einer Ausrichtung des tangentialen Brennstoffauswurfs in Längsrichtung des Rostes bedeutet eine Gehäuseverschwenkung um die in diesem Fall horizontal verlaufende, quer zum Brennstoffauswurf gerichtete Schwenkachse eine Höhenausrichtung der Flugbahn, während eine Gehäuseverschwenkung um die zur Achse des Schleuderrads parallele Schwenkachse eine seitliche Ausrichtung der Flugbahn nach sich zieht. Über die Drehzahl des Schleuderrads lässt sich die durchschnittliche Abfluggeschwindigkeit und damit die Flugweite zusätzlich beeinflussen, sodass eine vorteilhafte Wurfbeschickung des Rostes für unterschiedliche Brennstoffe erreicht wird, wie Pellets jeglicher Art, Klärschlamm, Biertrebern, Getreideschlempe, Spukstoffe, Tiermehle, aber auch Kunststoffe, Papier- und Cellulosestoffe und dergleichen.According to these measures, it is possible to align the trajectory of the centrifugal by the tangential fuel ejection of the housing departing main stream of small-sized fuel used depending on in particular the average size and mass of the fuel particles relative to the grate, that for a uniform combustion sufficiently uniform distribution Fuel can be ensured over the rust. In a conventional horizontal arrangement of the impeller with an orientation of the tangential fuel ejection in the longitudinal direction of the grate means a Gehäuseverschwenkung to the horizontally extending in this case, directed transversely to the fuel ejection pivot axis height adjustment of the trajectory, while a Gehäuseverschwenkung to the axis parallel to the axis of the impeller pivot a lateral orientation of the trajectory pulls. The speed of the blast wheel can additionally influence the average takeoff speed and thus the flight distance, so that a favorable litter feed of the grate is achieved for different fuels, such as pellets of any kind, sewage sludge, spent grains, grain dregs, spooky substances, animal meals, but also plastics, paper and cellulosics and the like.

Besonders einfache Konstruktionsverhältnisse ergeben sich, wenn der Rahmen den Brennstoffauswurf des Gehäuses umgreift und eine zur Achse des Schleuderrads parallele Schwenkachse aufweist, sodass über die Rahmenverschwenkung der seitliche Abwurfbereich und über die Verschwenkung des Gehäuses gegenüber dem Rahmen der Abflugwinkel der Höhe nach eingestellt werden kann.Particularly simple construction conditions arise when the frame surrounds the fuel ejection of the housing and has a parallel to the axis of the impeller pivot axis, so on the Rahmenverschwenkung the lateral discharge area and the pivoting of the housing relative to the frame of the departure angle of height can be adjusted.

Die Verschwenkung des Gehäuses des Schleuderrads gegenüber dem Rahmen und des Rahmens gegenüber dem das Schleuderrad aufnehmenden Gestells kann auf unterschiedliche Weise vorgenommen werden. Einfache Handhabungsbedingungen ergeben sich, wenn zur Schwenkverstellung des Gehäuses und des Rahmens zwei zu den Schwenkachsen des Gehäuses und des Rahmens parallele Spindeltriebe vorgesehen werden, über die die Schwenkverstellung der Höhe und der Seite nach jeweils getrennt voneinander vorgenommen werden kann. Besonders vorteilhafte Konstruktionsbedingungen ergeben sich in diesem Zusammenhang, wenn die Spindelmutter des am Gehäuse angreifenden Spindeltriebs mit der Spindelmutter des anderen, senkrecht zu den Schwenkachsen des Gehäuses und des Rahmens verschiebbar geführten Spindeltriebs verbunden und um eine zu diesem Spindeltrieb koaxiale Achse schwenkbar gelagert ist. Aufgrund der Mitnahme des am Gehäuse angreifenden Spindeltriebs durch die axial verstellbare Spindelmutter des anderen Spindeltriebs braucht dieser Spindeltrieb nicht am Gehäuse selbst angelenkt zu werden, was aufwendigere Maßnahmen zum Längenausgleich erübrigt. Es ist lediglich dafür zu sorgen, dass für den Längenausgleich beim Verschwenken des Gehäuses und des Rahmens der am Gehäuse angreifende Spindeltrieb gegenüber dem Gehäuse um seine Längsachse drehbar gehalten wird und dass der andere Spindeltrieb senkrecht zu den Schwenkachsen des Gehäuses und des Rahmens verschiebbar gegenüber dem Gestell geführt wird. Aufgrund der Drehlagerung des am Gehäuse angreifenden Spindeltriebs um die Achse des anderen Spindeltriebs kann ja der am Gehäuse angreifende Spindeltrieb mit dem Gehäuse verschwenkt werden.The pivoting of the housing of the impeller relative to the frame and the frame relative to the frame receiving the impeller can be made in different ways. Simple handling conditions arise when for pivotal adjustment of the housing and the frame two parallel to the pivot axes of the housing and the frame spindle drives are provided, via which the pivoting adjustment of the height and the side can be made separately for each. Particularly advantageous design conditions arise in this context, when the spindle nut of the spindle drive engaging with the housing connected to the spindle nut of the other, perpendicular to the pivot axes of the housing and the frame slidably guided spindle drive and is pivotally mounted about an axis coaxial to this spindle drive. Due to the entrainment of the spindle drive acting on the housing by the axially adjustable spindle nut of the other spindle drive this spindle drive does not need to be hinged to the housing itself, which eliminates the need for more complex measures for length compensation. It is only necessary to ensure that for the length compensation during pivoting of the housing and the frame of the housing engaging spindle drive relative to the housing is rotatably supported about its longitudinal axis and that the other spindle drive perpendicular to the pivot axes of the housing and the frame slidably relative to the frame to be led. Due to the rotational mounting of the spindle drive acting on the housing about the axis of the other spindle drive, the spindle drive acting on the housing can indeed be pivoted to the housing.

In der Zeichnung ist der Erfindungsgegenstand beispielsweise dargestellt. Es zeigen

Fig. 1
eine erfindungsgemäße Vorrichtung zur Wurfbeschickung eines Rostes mit kleinstückeligem Brennstoff in einer vereinfachten Seitenansicht,
Fig. 2
diese Vorrichtung in einer zum Teil aufgerissenen Draufsicht und
Fig. 3
eine stirnseitige Ansicht der Vorrichtung von der dem Brennstoffauswurf gegenüberliegenden Seite.
In the drawing, the subject invention is shown, for example. Show it
Fig. 1
a device according to the invention for litter feeding a grate with kleinstückeligem fuel in a simplified side view,
Fig. 2
this device in a partially torn plan view and
Fig. 3
an end view of the device from the fuel ejection side opposite.

Die dargestellte Vorrichtung zur Wurfbeschickung eines Rostes eines nicht näher dargestellten Brennraums eines Heizkessels mit stückeligem Brennstoff umfasst ein in einem Gehäuse 1 gelagertes Schleuderrad 2, mit dessen Hilfe der Brennstoff, der über eine nicht dargestellte Brennstoffzuleitung dem Gehäuse 1 über einen axialen Anschlussstutzen 3 zugeführt wird, durch einen Brennstoffauswurf 4 des Gehäuses 1 durch eine Öffnung 5 in der stirnseitigen Wand 6 des Brennraums auf den Rost abgeworfen wird. Der hinsichtlich der Drehzahl steuerbare, am Gehäuse 1 angeflanschte Antriebsmotor für das Schleuderrad 2 ist mit 7 bezeichnet.The device shown for litter feeding a grate of a combustion chamber, not shown, of a boiler with lumpy fuel comprises a roller 1 mounted in a housing 1, with the aid of which the fuel, which is supplied via a fuel supply line, not shown, the housing 1 via an axial connecting piece 3, is dropped by a fuel ejection 4 of the housing 1 through an opening 5 in the frontal wall 6 of the combustion chamber to the grate. The controllable in terms of speed, flanged to the housing 1 drive motor for the impeller 2 is denoted by 7.

Um die Wurfbahn des Hauptstroms des vom Schleuderrad 2 abgeschleuderten Brennstoffs in Abhängigkeit von dessen durchschnittlichen Stückgröße und durchschnittlichen Stückgewichts so einstellen zu können, dass eine für eine vorteilhafte Verbrennung ausreichend gleichmäßige Verteilung des auf den Rost abgeworfenen Brennstoffs gewährleistet werden kann, ist das Gehäuse 1 in einem den Brennstoffauswurf 4 umschließenden Rahmen 8 schwenkverstellbar gelagert, der selbst ebenfalls schwenkbar gelagert ist, und zwar im Falle des Ausführungsbeispiels an der stirnseitigen Brennraumwand 6, die Teil eines Gestells 9 ist. Die Anordnung ist dabei so getroffen, dass die Schwenkachse 10 für den Rahmen 8 parallel zur Achse des Schleuderrads 2 und die Schwenkachse 11 des Gehäuses 1 gegenüber dem Rahmen 8 senkrecht zur Schwenkachse 10 des Rahmens 8 und quer zum Brennstoffauswurf 4 verlaufen. Aufgrund der dadurch ermöglichten Schwenkverlagerung des Gehäuses 1 kann der Brennstoffauswurf 4 sowohl der Höhe nach als auch der Seite nach eingestellt werden, um die Hauptflugbahn des jeweils eingesetzten Brennstoffs gegenüber dem Rost so auszurichten, dass ein für eine vorteilhafte Verbrennung ausreichend gleichmäßiger Brennstoffabwurf auf den Rost sichergestellt wird.In order to adjust the trajectory of the main stream of the centrifugal thrown off the impeller 2 depending on its average piece size and average piece weight so that a sufficiently uniform distribution of the fuel dropped onto the grate can be ensured for an advantageous combustion, the housing 1 is in one the fuel ejection 4 enclosing frame 8 pivotally mounted, which is itself also pivotally mounted, in the case of the embodiment of the end-side combustion chamber wall 6, which is part of a frame 9. The arrangement is made such that the pivot axis 10 for the frame 8 parallel to the axis of the spinner 2 and the pivot axis 11 of the housing 1 relative to the frame 8 perpendicular to the pivot axis 10 of the frame 8 and transverse to the fuel ejection 4. Due to the thus enabled pivotal displacement of the housing 1, the fuel ejection 4 both the height and the side can be adjusted to align the main trajectory of the fuel used in each case against the grate so that a sufficiently uniform for an advantageous combustion fuel shedding on the grate ensured becomes.

Zur Einstellung der jeweiligen Schwenklagen des Gehäuses 1 und damit des Brennstoffauswurfs 4 sind zwei zu den Schwenkachsen 10 und 11 parallele Spindeltriebe 12 und 13 vorgesehen. Diese gleich aufgebauten Spindeltriebe 12, 13 weisen jeweils in einem Hüllrohr gelagerte Spindeln 14, 15 auf, die gegenüber dem Hüllrohr drehfest aber axial verschiebbar geführte Spindelmuttern 16, 17 durchsetzen. Der für die Einstellung des Abwurfwinkels der Höhe nach dienende Spindeltrieb 12 ist mit seiner Spindelmutter 16 mit der Spindelmutter 17 des anderen Spindeltriebs 13 verbunden, sodass bei einer Betätigung des Spindeltriebs 13 über ein hiefür vorgesehenen Handrad 18 der Spindeltrieb 12 in Richtung des Spindeltriebs 13 mitgenommen wird. Da der Spindeltrieb 12 an einem Auslegerarm 19 des Gehäuses 1 angreift, und zwar über eine Hülse 20, die eine Drehung des Auslegerarms 19 um die Achse des Spindeltriebs 12 zulässt, wird mit der Betätigung des Spindeltriebs 13 das Gehäuse 1 um die Schwenkachse 10 des Rahmens 8 verschwenkt. Der hiefür notwendige Längenausgleich wird durch eine Verschiebeführung 21 des Spindeltriebs 13 sichergestellt, die aus in gestellfesten Gleitbuchsen 22 geführten Führungsstangen 23 gebildet wird, die endseitige Aufnahmelager 24 für den Spindeltrieb 13 tragen. Mit der Verschwenkung des Gehäuses 1 um die Schwenkachse 10 des Rahmens 8 geht somit eine Parallelverschiebung des Spindeltriebs 13 senkrecht zu den beiden Schwenkachsen 10 und 11 einher, um den notwendigen Längenausgleich zu schaffen.To adjust the respective pivotal positions of the housing 1 and thus of the fuel ejection 4, two parallel to the pivot axes 10 and 11 spindle drives 12 and 13 are provided. These identically constructed spindle drives 12, 13 each have spindles 14, 15 mounted in an enveloping tube, which are opposite the cladding tube rotatably but axially displaceably guided spindle nuts 16, 17 prevail. Serving for the setting of the discharge angle of the height spindle drive 12 is connected with its spindle nut 16 with the spindle nut 17 of the other spindle drive 13, so that upon actuation of the spindle drive 13 via a provided therefor handwheel 18 of the spindle drive 12 is taken in the direction of the spindle drive 13 , Since the spindle drive 12 engages a cantilever arm 19 of the housing 1, via a sleeve 20 which allows rotation of the cantilever arm 19 about the axis of the spindle drive 12, with the actuation of the spindle drive 13, the housing 1 about the pivot axis 10 of the frame 8 pivoted. The length compensation necessary for this is ensured by a displacement guide 21 of the spindle drive 13, which is formed by guide rods 23 which are guided in frame-fixed slide bushes 22 and carry the end-side receiving bearings 24 for the spindle drive 13. With the pivoting of the housing 1 about the pivot axis 10 of the frame 8 is thus accompanied by a parallel displacement of the spindle drive 13 perpendicular to the two pivot axes 10 and 11, to provide the necessary length compensation.

Wird der Spindeltrieb 12 über ein Handrad 25 betätigt, so wird das Gehäuse 1 um die horizontale Schwenkachse 11 gegenüber dem Rahmen 8 verschwenkt, wobei der Spindeltrieb 12 mitgeschwenkt wird. Dies ist möglich, weil der Spindeltrieb 13 innerhalb der Aufnahmelager 24 der Verschiebeführung 21 um seine Achse drehbar gelagert ist. Der wiederum notwendige Längenausgleich ergibt sich über die Verschiebeführung 21, sodass der Brennstoffauswurf 4 je für sich über die Spindeltriebe 12 und 13 der Höhe und der Seite nach entsprechend den jeweiligen Abwurfbedingungen eingestellt werden kann.If the spindle drive 12 is actuated via a hand wheel 25, then the housing 1 is pivoted about the horizontal pivot axis 11 relative to the frame 8, the spindle drive 12 being pivoted along. This is possible because the spindle drive 13 is rotatably mounted within the receiving bearing 24 of the sliding guide 21 about its axis. The turn necessary length compensation is obtained via the sliding guide 21, so that the fuel ejection 4 can be adjusted according to the respective discharge conditions per se on the spindle drives 12 and 13 of the height and the side.

Claims (4)

Vorrichtung zur Wurfbeschickung eines Rostes mit kleinstückeligem Brennstoff, umfassend ein antreibbares Schleuderrad (2), dessen auf einem Gestell (9) gelagertes Gehäuse (1) an eine Brennstoffzuleitung angeschlossen ist und einen tangentialen Brennstoffauswurf (4) aufweist, dadurch gekennzeichnet, dass das Gehäuse (1) des bezüglich seiner Drehzahl einstellbaren Schleuderrads (2) in einem Rahmen (8) und der Rahmen (8) gegenüber dem Gestell (9) um zueinander senkrechte Schwenkachsen (10, 11) schwenkverstellbar gelagert sind, von denen eine parallel zur Achse des Schleuderrads (2) und die andere quer zum Brennstoffauswurf (4) verlaufen.Device for litter feeding a grate with small-particle fuel, comprising a drivable centrifugal wheel (2) whose housing (1) mounted on a frame (9) is connected to a fuel feed line and has a tangential fuel ejection (4), characterized in that the housing ( 1) of the speed-adjustable blast wheel (2) in a frame (8) and the frame (8) relative to the frame (9) about mutually perpendicular pivot axes (10, 11) are pivotally mounted, one of which is parallel to the axis of the blast wheel (2) and the other run across the fuel ejection (4). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Rahmen (8) den Brennstoffauswurf (4) des Gehäuses (1) umgreift und eine zur Achse des Schleuderrads (2) parallele Schwenkachse (10) aufweist.Apparatus according to claim 1, characterized in that the frame (8) surrounds the fuel ejection (4) of the housing (1) and has a pivot axis (10) parallel to the axis of the centrifugal wheel (2). Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass zur Schwenkverstellung des Gehäuses (1) und des Rahmens (8) zwei zu den Schwenkachsen (10, 11) des Gehäuses (1) und des Rahmens (8) jeweils parallele Spindeltriebe (12, 13) vorgesehen sind.Apparatus according to claim 1 or 2, characterized in that for pivotal adjustment of the housing (1) and the frame (8) two to the pivot axes (10, 11) of the housing (1) and the frame (8) respectively parallel spindle drives (12, 13) are provided. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Spindelmutter (16) des am Gehäuse (1) angreifenden Spindeltriebs (12) mit der Spindelmutter (17) des anderen, senkrecht zu den Schwenkachsen (10, 11) des Gehäuses (1) und des Rahmens (8) verschiebbar geführten Spindeltriebs (13) verbunden und um eine zu diesem Spindeltrieb (13) koaxiale Achse schwenkbar gelagert ist.Device according to claim 3, characterized in that the spindle nut (16) of the spindle drive (12) acting on the housing (1) is connected to the spindle nut (17) of the other, perpendicular to the pivot axes (10, 11) of the housing (1) and of the Frame (8) slidably guided spindle drive (13) and pivotally mounted about an axis to this spindle drive (13) coaxial axis.
EP11450031.7A 2010-03-16 2011-03-04 Device for spreader feeding a grate with small lump fuel Not-in-force EP2372244B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201130401T SI2372244T1 (en) 2010-03-16 2011-03-04 Device for spreader feeding a grate with small lump fuel
HRP20150160TT HRP20150160T1 (en) 2010-03-16 2015-02-10 Device for spreader feeding a grate with small lump fuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0015910U AT11833U1 (en) 2010-03-16 2010-03-16 DEVICE FOR LOADING A RUST WITH LUMINOUS FUEL

Publications (2)

Publication Number Publication Date
EP2372244A1 true EP2372244A1 (en) 2011-10-05
EP2372244B1 EP2372244B1 (en) 2014-11-19

Family

ID=43646255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11450031.7A Not-in-force EP2372244B1 (en) 2010-03-16 2011-03-04 Device for spreader feeding a grate with small lump fuel

Country Status (5)

Country Link
EP (1) EP2372244B1 (en)
AT (1) AT11833U1 (en)
ES (1) ES2528627T3 (en)
HR (1) HRP20150160T1 (en)
SI (1) SI2372244T1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114112627A (en) * 2021-11-18 2022-03-01 北矿检测技术有限公司 Reducing feeder for preparing fire test gold

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI629056B (en) * 2017-07-17 2018-07-11 元成機械股份有限公司 Lozenge laminating machine with adjustment picking system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE442120A (en) *
US2130329A (en) * 1935-05-06 1938-09-13 Iron Fireman Mfg Co Overfeed stoker
US2960047A (en) * 1955-12-06 1960-11-15 William F Oberhuber Burner for finely divided fuel
US5433573A (en) * 1994-03-10 1995-07-18 Buta; John R. Apparatus for injecting fuel into kilns and the like
EP1416224A1 (en) 2002-10-29 2004-05-06 Andreas Ing. Wilde Method of combusting pellet fuel
DE102008009683A1 (en) * 2008-02-18 2009-08-20 Siemens Ag Österreich Blower wheel of a throwing feeder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE442120A (en) *
US2130329A (en) * 1935-05-06 1938-09-13 Iron Fireman Mfg Co Overfeed stoker
US2960047A (en) * 1955-12-06 1960-11-15 William F Oberhuber Burner for finely divided fuel
US5433573A (en) * 1994-03-10 1995-07-18 Buta; John R. Apparatus for injecting fuel into kilns and the like
EP1416224A1 (en) 2002-10-29 2004-05-06 Andreas Ing. Wilde Method of combusting pellet fuel
DE102008009683A1 (en) * 2008-02-18 2009-08-20 Siemens Ag Österreich Blower wheel of a throwing feeder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114112627A (en) * 2021-11-18 2022-03-01 北矿检测技术有限公司 Reducing feeder for preparing fire test gold

Also Published As

Publication number Publication date
ES2528627T3 (en) 2015-02-11
HRP20150160T1 (en) 2015-05-22
AT11833U1 (en) 2011-05-15
EP2372244B1 (en) 2014-11-19
SI2372244T1 (en) 2015-04-30

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