EP2754897A2 - Filling device for the suction conveyance of non-homogeneous fluids - Google Patents

Filling device for the suction conveyance of non-homogeneous fluids Download PDF

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Publication number
EP2754897A2
EP2754897A2 EP14150629.5A EP14150629A EP2754897A2 EP 2754897 A2 EP2754897 A2 EP 2754897A2 EP 14150629 A EP14150629 A EP 14150629A EP 2754897 A2 EP2754897 A2 EP 2754897A2
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EP
European Patent Office
Prior art keywords
shaft
filling device
adjusting sleeve
housing
suction
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Granted
Application number
EP14150629.5A
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German (de)
French (fr)
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EP2754897B1 (en
EP2754897A3 (en
Inventor
Josef Fliegl Sen.
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Individual
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Individual
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Priority to PL14150629T priority Critical patent/PL2754897T3/en
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Publication of EP2754897A3 publication Critical patent/EP2754897A3/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/622—Adjusting the clearances between rotary and stationary parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating

Definitions

  • the invention relates to a filling device of non-homogeneous liquids, such as manure, manure, sewage sludge or fecal matter.
  • the filling of the slurry tanker is a bottleneck because it lacks efficient and above all flexible filling devices.
  • a compressor or a pump is mounted on the slurry tank, which promotes the liquid manure from the pit into the drum truck via a suction hose.
  • additional filling devices with a suction wheel are known from practice, which are interposed in the suction line between the compressor / pump and pit.
  • the intermediate filling device takes over the further promotion.
  • Maximum pressure and suction capacities of up to 7000 l / h can be achieved so that even large drum trucks can be filled in just a few minutes. Under certain circumstances, even the use of internal compressors and pumps can be completely dispensed with.
  • a shredder pump is known in which the cutting gap in the area of a chopper plate and cutting parts is adjusted by the drive shaft is moved over a bearing cap by adjusting adjusting screws.
  • the invention is based on the object of improving a filling device for the suction conveyance of non-homogeneous liquids, such as manure, manure, sewage sludge or faeces, in their effectiveness and performance by means of a simple adjustability of the cutting blade.
  • the filling device for suction conveyance of non-homogeneous liquids, such as liquid manure, manure, sewage sludge or fecal matter, has a housing with a suction nozzle and a discharge nozzle and a suction wheel mounted in the housing and supported on a drivable shaft, a cutting knife interacting with a counter cutting blade in the region the intake is provided, wherein the shaft extends with one end up into the intake and the cutting blade is rotatably attached to this end of the shaft and the shaft is mounted to adjust the cutting gap between the shear and cutting blade axially displaceable in the housing.
  • the adjustability of the cutting blade is made possible by a coaxially arranged around the shaft adjusting sleeve, wherein a rotation of the adjusting sleeve causes a displacement of the shaft in its axial direction.
  • the grain size of the solids in the non-homogeneous liquid can be adjusted, thereby avoiding damage to the compressor's own pumps and, for example, a screw eccentric pump.
  • the shaft may be mounted on the adjusting sleeve, wherein in particular two spaced bearings may be provided for supporting the shaft.
  • the adjusting sleeve is preferably mounted on an outer side of the housing, wherein this can be done for example via a threaded connection. A rotation of the adjusting sleeve causes a displacement of the adjusting sleeve together with the shaft relative to the housing.
  • the suction wheel is surrounded by a concentrically arranged around the shaft, cylindrical housing part and the discharge nozzle is preferably connected tangentially to this cylindrical housing part.
  • an additional suction rotor rotates with the shaft in order to accelerate the non-homogeneous liquid, wherein the suction rotor is arranged in particular in the region of the intake.
  • a scraper is provided in the region of the discharge nozzle, the scraper edge is aligned parallel to the shaft and the scraper for adjusting a gap between the scraper and suction wheel is arranged adjustable.
  • the gap can be kept as small as possible, thereby maximizing the capacity of the filling device.
  • a coupling region is provided on the end of the shaft opposite the cutting blade, which is designed, for example, as a splined shaft region.
  • a drive for example, a cardan shaft drive or a hydraulic motor into consideration.
  • the in the FIGS. 1 to 4 Filling device shown serves for suction promotion of non-homogeneous liquids, such as liquid manure, manure, sewage sludge or feces. It is mounted on a trolley between a suction line and a drum and serves to suck non-homogeneous fluids through the suction line and to promote into the drum.
  • non-homogeneous liquids such as liquid manure, manure, sewage sludge or feces.
  • the filling device consists essentially of a housing 1 with a suction nozzle 2 and a discharge nozzle 3 and a mounted in the housing and held on a drivable shaft 4 suction wheel 5.
  • the suction wheel 5 is surrounded by a concentrically arranged around the shaft, cylindrical housing part 1a and the discharge nozzle 3 is connected tangentially to this cylindrical housing part 1a.
  • the intake manifold 2 is arranged coaxially around the shaft 4 and has an intake opening.
  • the suction line not shown, is flanged to the intake manifold 2, while a non-illustrated, leading to the trolley line is coupled to the discharge nozzle 4.
  • the shaft is held by an adjusting sleeve 6, wherein the adjusting sleeve 6 is rotatably mounted on the outside of the housing 1 via a threaded connection 7.
  • the shaft 4 is supported in the adjusting sleeve 6 via two spaced bearings 8, 9, wherein a rotation of the adjusting sleeve 6 causes a displacement of the adjusting sleeve together with the shaft 4 relative to the housing 1.
  • the shaft 4 protrudes through the housing 1 into the intake 2.
  • a cutting blade 10 is rotatably mounted, which cooperates with a counter-blade 11.
  • a rotation of the adjusting sleeve 6 thus causes an axial displacement of the shaft 4 together with the cutting blade 10 relative to the counter-blade 11.
  • resulting cutting gap 12 are infinitely adjustable. While in Fig. 3 no cutting gap is set is off Fig. 5 one corresponding cutting gap 12 can be seen.
  • the associated axial positions of the adjusting sleeve 6 with respect to the housing 1 are from the 4 and 6 seen.
  • the size of the cutting gap 12 determines the grain size, are comminuted to any solid components of the pumped liquid.
  • the grain size is to be adjusted so that a pump provided on the drum, in particular an eccentric screw, is not damaged.
  • the size of the cutting gap 12 depends in particular on the type of solids and the pump to be protected.
  • a suction rotor 13 co-rotating with the shaft 4 is provided in the region of the intake nozzle 2, which is held on the shaft 4 via a bushing 14 and is intended to cause a pre-acceleration of the non-homogeneous liquid to be conveyed.
  • Both the suction 5 and the suction rotor 13 are, for example via feather keys, rotatably supported on the shaft 4.
  • suction wheel and suction rotor enough clearance to the walls of the housing in order to ensure the axial displacement of the shaft 4 (together with suction and suction rotor) by turning the adjusting sleeve 6.
  • the protruding from the adjusting sleeve 6 end of the shaft 4 is provided with a coupling portion 4 a, to couple a suitable drive, not shown, for example, a cardan shaft drive or a hydraulic motor.
  • the suction wheel 5 is dimensioned so that as possible small gap between the peripheral surface of the cylindrical housing part 1a and the blades of the suction wheel 5 is made.
  • a scraper 15 is also provided with a scraper edge 15a, which is adjustable in the direction of the double arrow 16 in order to set a minimum gap between the scraper edge 15a and the suction 5.
  • the adjustment is expediently carried out mechanically in that the wiping edge 15a is held, for example, by means of a screw in a slot on the housing.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Sludge (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

The device has a housing (1) provided with an intake (2) and a discharge piece (3). A drivable shaft (4) is supported inside a suction wheel. A stationary blade (11) cooperating a cutting blade (10) is provided in a region of the intake. The shaft with an end extends to the intake. The cutting blade is rotationally fixed to the end of the shaft for forming blade gap between the stationary blade and the cutting blade axially adjustable in the housing. Rotation of an adjusting sleeve (6) causes displacement of the shaft along axial direction.

Description

Die Erfindung betrifft eine Befüllvorrichtung von nichthomogenen Flüssigkeiten, wie Gülle, Jauche, Klärschlamm oder Fäkalien.The invention relates to a filling device of non-homogeneous liquids, such as manure, manure, sewage sludge or fecal matter.

Bei der Gülleausbringung stellt in vielen Fällen die Befüllung des Güllewagens einen Engpass dar, weil es an leistungsfähigen und vor allem an flexibel einsetzbaren Befüllvorrichtungen fehlt.In slurry application, in many cases, the filling of the slurry tanker is a bottleneck because it lacks efficient and above all flexible filling devices.

Im einfachsten Fall ist am Güllewagen ein Kompressor oder eine Pumpe angebaut, die über einen Saugschlauch die Gülle aus der Grube in den Fasswagen fördert. Um den Saugvorgang zu beschleunigen sind aus der Praxis zusätzliche Befüllvorrichtungen mit einem Saugrad bekannt, die in der Saugleitung zwischen Kompressor/Pumpe und Grube zwischengeschaltet werden. Sobald der Volumenstrom durch den Kompressor hergestellt ist, übernimmt dann die zwischengeschaltete Befüllvorrichtung die weitere Förderung. Dabei können maximale Druck- bzw. Saugleistungen von bis zu 7000 1/h erreicht werden, sodass auch große Fasswägen in wenigen Minuten befüllt werden können. Dabei kann unter Umständen sogar auf den Einsatz von fasseigenen Kompressoren und Pumpen ganz verzichtet werden.In the simplest case, a compressor or a pump is mounted on the slurry tank, which promotes the liquid manure from the pit into the drum truck via a suction hose. In order to accelerate the suction process additional filling devices with a suction wheel are known from practice, which are interposed in the suction line between the compressor / pump and pit. As soon as the volume flow is produced by the compressor, then the intermediate filling device takes over the further promotion. Maximum pressure and suction capacities of up to 7000 l / h can be achieved so that even large drum trucks can be filled in just a few minutes. Under certain circumstances, even the use of internal compressors and pumps can be completely dispensed with.

Aus der DE 11 2004 001 365 T5 ist eine Häckslerpumpe bekannt, bei der der Schneidspalt im Bereich einer Häckslerplatte und Schneidteilen dadurch eingestellt wird, indem die Antriebswelle über eine Lagerkappe durch Verstellung von Einstellschrauben verschoben wird.From the DE 11 2004 001 365 T5 a shredder pump is known in which the cutting gap in the area of a chopper plate and cutting parts is adjusted by the drive shaft is moved over a bearing cap by adjusting adjusting screws.

Der Erfindung liegt nun die Aufgabe zugrunde eine Befüllvorrichtung zur Saugförderung von nichthomogenen Flüssigkeiten, wie Gülle, Jauche, Klärschlamm oder Fäkalien, in ihrer Effektivität und Leistungsfähigkeit durch eine einfache Verstellbarkeit des Schneidmessers zu verbessern.The invention is based on the object of improving a filling device for the suction conveyance of non-homogeneous liquids, such as manure, manure, sewage sludge or faeces, in their effectiveness and performance by means of a simple adjustability of the cutting blade.

Erfindungsgemäß wird diese Aufgabe durch die Merkmale des Anspruches 1 gelöst.According to the invention, this object is solved by the features of claim 1.

Die erfindungsgemäße Befüllvorrichtung zur Saugförderung von nichthomogenen Flüssigkeiten, wie Gülle, Jauche, Klärschlamm oder Fäkalien, weist ein Gehäuse mit einem Ansaugstutzen und einem Abführstutzen sowie ein im Gehäuse angeordnetes und auf einer antreibbaren Welle gehaltertes Saugrad auf, wobei ein mit einer Gegenschneide zusammenwirkendes Schneidmesser im Bereich des Ansaugstutzens vorgesehen ist, wobei die Welle mit einem Ende bis in den Ansaugstutzen hineinreicht und das Schneidmesser drehfest an diesem Ende der Welle befestigt ist und die Welle zur Einstellung des Schnittspaltes zwischen Gegenschneide und Schneidmesser axial verschiebbar im Gehäuse gelagert ist. Die Verstellbarkeit des Schneidmessers wird durch eine koaxial um die Welle angeordnete Verstellhülse ermöglicht, wobei eine Drehung der Verstellhülse eine Verschiebung der Welle in ihrer axialen Richtung bewirkt.The filling device according to the invention for suction conveyance of non-homogeneous liquids, such as liquid manure, manure, sewage sludge or fecal matter, has a housing with a suction nozzle and a discharge nozzle and a suction wheel mounted in the housing and supported on a drivable shaft, a cutting knife interacting with a counter cutting blade in the region the intake is provided, wherein the shaft extends with one end up into the intake and the cutting blade is rotatably attached to this end of the shaft and the shaft is mounted to adjust the cutting gap between the shear and cutting blade axially displaceable in the housing. The adjustability of the cutting blade is made possible by a coaxially arranged around the shaft adjusting sleeve, wherein a rotation of the adjusting sleeve causes a displacement of the shaft in its axial direction.

Durch die Verstellbarkeit des Schneidmessers kann die Korngröße der Feststoffe in der nichthomogenen Flüssigkeit angepasst werden, um dadurch Schäden an fasseigenen Kompressoren und Pumpen, beispielsweise einer Schneckenexzenterpumpe, zu vermeiden.Due to the adjustability of the cutting blade, the grain size of the solids in the non-homogeneous liquid can be adjusted, thereby avoiding damage to the compressor's own pumps and, for example, a screw eccentric pump.

Weitere Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further embodiments of the invention are the subject of the dependent claims.

Weiterhin kann die Welle an der Verstellhülse gelagert sein, wobei insbesondere zwei beabstandete Lager zur Lagerung der Welle vorgesehen sein können. Die Verstellhülse ist vorzugsweise an einer Außenseite des Gehäuses gelagert, wobei dies beispielsweise über eine Gewindeverbindung erfolgen kann. Eine Drehung der Verstellhülse bewirkt dabei eine Verschiebung der Verstellhülse zusammen mit der Welle relativ zum Gehäuse.Furthermore, the shaft may be mounted on the adjusting sleeve, wherein in particular two spaced bearings may be provided for supporting the shaft. The adjusting sleeve is preferably mounted on an outer side of the housing, wherein this can be done for example via a threaded connection. A rotation of the adjusting sleeve causes a displacement of the adjusting sleeve together with the shaft relative to the housing.

Gemäß einem Ausführungsbeispiel ist das Saugrad von einem konzentrisch um die Welle angeordneten, zylindrischen Gehäuseteil umgeben und der Abführstutzen ist vorzugsweise tangential an diesen zylindrischen Gehäuseteil angeschlossen.According to one embodiment, the suction wheel is surrounded by a concentrically arranged around the shaft, cylindrical housing part and the discharge nozzle is preferably connected tangentially to this cylindrical housing part.

Weiterhin kann vorgesehen werden, dass ein zusätzlicher Saugrotor mit der Welle rotiert, um die nichthomogene Flüssigkeit vorzubeschleunigen, wobei der Saugrotor insbesondere im Bereich des Ansaugstutzens angeordnet ist.Furthermore, it can be provided that an additional suction rotor rotates with the shaft in order to accelerate the non-homogeneous liquid, wherein the suction rotor is arranged in particular in the region of the intake.

Gemäß einer weiteren Ausgestaltung der Erfindung ist im Bereich des Abführstutzen ein Abstreifer vorgesehen, dessen Abstreifkante parallel zur Welle ausgerichtet ist und der Abstreifer zur Einstellung eines Spaltmaßes zwischen Abstreifkante und Saugrad verstellbar angeordnet ist. Mit dem verstellbaren Abstreifer kann der Spalt so klein wie möglich gehalten werden, um dadurch die Förderleistung der Befüllvorrichtung zu maximieren.According to a further embodiment of the invention, a scraper is provided in the region of the discharge nozzle, the scraper edge is aligned parallel to the shaft and the scraper for adjusting a gap between the scraper and suction wheel is arranged adjustable. With the adjustable scraper, the gap can be kept as small as possible, thereby maximizing the capacity of the filling device.

Zum Antrieb der Welle ist an dem dem Schneidmesser gegenüberliegenden Ende der Welle ein Kupplungsbereich vorgesehen, der beispielsweise als Keilwellenbereich ausgebildet ist. Als Antrieb kommt beispielsweise ein Gelenkwellenantrieb oder ein Hydraulikmotor in Betracht.To drive the shaft, a coupling region is provided on the end of the shaft opposite the cutting blade, which is designed, for example, as a splined shaft region. As a drive, for example, a cardan shaft drive or a hydraulic motor into consideration.

Die Erfindung wird nun anhand der nachfolgenden Beschreibung eines Ausführungsbeispieles und der Zeichnung näher erläutert.The invention will now be explained in more detail with reference to the following description of an embodiment and the drawing.

In der Zeichnung zeigen

Fig. 1
eine dreidimensionale Darstellung der erfindungsgemäßen Befüllvorrichtung,
Fig. 2
eine Seitenansicht der Befüllvorrichtung der Fig. 2,
Fig. 3
eine Längsschnittdarstellung der Befüllvorrichtung ohne Schneidspalt,
Fig. 4
eine vergrößerte Detailansicht der Fig. 3 im Bereich der Verstellhülse,
Fig. 5
eine Längsschnittdarstellung der Befüllvorrichtung mit Schneidspalt,
Fig. 6
eine vergrößerte Detailansicht der Fig. 5 im Bereich der Verstellhülse,
Fig. 7
eine Schnittdarstellung längs der Linie A-A der Fig. 2 und
Fig. 8
eine vergrößerte Darstellung des Details B der Fig. 7.
In the drawing show
Fig. 1
a three-dimensional representation of the filling device according to the invention,
Fig. 2
a side view of the filling of the Fig. 2 .
Fig. 3
a longitudinal sectional view of the filling without cutting gap,
Fig. 4
an enlarged detail view of the Fig. 3 in the area of the adjusting sleeve,
Fig. 5
a longitudinal sectional view of the filling device with cutting gap,
Fig. 6
an enlarged detail view of the Fig. 5 in the area of the adjusting sleeve,
Fig. 7
a sectional view taken along the line AA of Fig. 2 and
Fig. 8
an enlarged view of detail B of the Fig. 7 ,

Die in den Figuren 1 bis 4 dargestellte Befüllvorrichtung dient zur Saugförderung von nichthomogenen Flüssigkeiten, wie Gülle, Jauche, Klärschlamm oder Fäkalien. Sie wird an einen Fasswagen zwischen einer Saugleitung und einem Fassbehälter montiert und dient dazu, nichthomogene Flüssigkeiten über die Saugleitung anzusaugen und in den Fassbehälter zu fördern.The in the FIGS. 1 to 4 Filling device shown serves for suction promotion of non-homogeneous liquids, such as liquid manure, manure, sewage sludge or feces. It is mounted on a trolley between a suction line and a drum and serves to suck non-homogeneous fluids through the suction line and to promote into the drum.

Die Befüllvorrichtung besteht im Wesentlichen aus einem Gehäuse 1 mit einem Ansaugstutzen 2 und einem Abführstutzen 3 sowie einem im Gehäuse angeordneten und auf eine antreibbaren Welle 4 gehalterten Saugrad 5. Das Saugrad 5 ist dabei von einem konzentrisch um die Welle angeordneten, zylindrischen Gehäuseteil 1a umgeben und der Abführstutzen 3 ist dabei tangential an diesen zylindrischen Gehäuseteil 1a angeschlossen. Der Ansaugstutzen 2 ist koaxial um die Welle 4 angeordnet und weist eine Ansaugöffnung auf. Die nicht näher dargestellte Saugleitung wird an den Ansaugstutzen 2 angeflanscht, während eine nicht näher dargestellte, zum Fasswagen führende Leitung am Abführstutzen 4 angekoppelt wird.The filling device consists essentially of a housing 1 with a suction nozzle 2 and a discharge nozzle 3 and a mounted in the housing and held on a drivable shaft 4 suction wheel 5. The suction wheel 5 is surrounded by a concentrically arranged around the shaft, cylindrical housing part 1a and the discharge nozzle 3 is connected tangentially to this cylindrical housing part 1a. The intake manifold 2 is arranged coaxially around the shaft 4 and has an intake opening. The suction line, not shown, is flanged to the intake manifold 2, while a non-illustrated, leading to the trolley line is coupled to the discharge nozzle 4.

Die Welle wird über eine Verstellhülse 6 gehaltert, wobei die Verstellhülse 6 über eine Gewindeverbindung 7 drehbar an der Außenseite des Gehäuses 1 gelagert ist. Die Welle 4 ist in der Verstellhülse 6 über zwei beabstandete Lager 8, 9 gehaltert, wobei eine Drehung der Verstellhülse 6 eine Verschiebung der Verstellhülse zusammen mit der Welle 4 relativ zum Gehäuse 1 bewirkt.The shaft is held by an adjusting sleeve 6, wherein the adjusting sleeve 6 is rotatably mounted on the outside of the housing 1 via a threaded connection 7. The shaft 4 is supported in the adjusting sleeve 6 via two spaced bearings 8, 9, wherein a rotation of the adjusting sleeve 6 causes a displacement of the adjusting sleeve together with the shaft 4 relative to the housing 1.

Die Welle 4 ragt durch das Gehäuse 1 bis in den Ansaugstutzen 2 hinein. An ihrem dortigen Ende ist ein Schneidmesser 10 drehfest angebracht, das mit einer Gegenschneide 11 zusammenwirkt. Ein Verdrehen der Verstellhülse 6 bewirkt somit eine axiale Verschiebung der Welle 4 zusammen mit dem Schneidmesser 10 relativ zur Gegenschneide 11. Auf diese Weise kann ein zwischen Schneidmesser 10 und Gegenschneide 11 entstehender Schneidspalt 12 (siehe Fig. 5) stufenlos eingestellt werden. Während in Fig. 3 kein Schneidspalt eingestellt ist, ist aus Fig. 5 ein entsprechender Schneispalt 12 ersichtlich. Die zugehörigen axialen Stellungen der Verstellhülse 6 in Bezug auf das Gehäuse 1 sind aus den Fig. 4 und 6 ersichtlich.The shaft 4 protrudes through the housing 1 into the intake 2. At its local end a cutting blade 10 is rotatably mounted, which cooperates with a counter-blade 11. A rotation of the adjusting sleeve 6 thus causes an axial displacement of the shaft 4 together with the cutting blade 10 relative to the counter-blade 11. In this way, between the cutting blade 10 and counter-blade 11 resulting cutting gap 12 (see Fig. 5 ) are infinitely adjustable. While in Fig. 3 no cutting gap is set is off Fig. 5 one corresponding cutting gap 12 can be seen. The associated axial positions of the adjusting sleeve 6 with respect to the housing 1 are from the 4 and 6 seen.

Die Größe des Schneidspaltes 12 legt die Korngröße fest, auf die etwaige Feststoffbestandteile der geförderten Flüssigkeit zerkleinert werden. Die Korngröße ist dabei so einzustellen, dass eine am Fasswagen vorgesehen Pumpe, insbesondere eine Exzenterschneckenpumpe, nicht beschädigt wird. Die Größe des Schneidspaltes 12 hängt dabei insbesondere von der Art der Feststoffe und der zu schützenden Pumpe ab.The size of the cutting gap 12 determines the grain size, are comminuted to any solid components of the pumped liquid. The grain size is to be adjusted so that a pump provided on the drum, in particular an eccentric screw, is not damaged. The size of the cutting gap 12 depends in particular on the type of solids and the pump to be protected.

Durch die außerhalb des Gehäuses angebrachte Verstellhülse 6 kann eine Verstellung des Schneidspaltes auch bei angeschlossener Saugleitung werkzeuglos erfolgen. Während die Hauptlagerung der Welle 4 durch die beiden Lager 8, 9 in der Verstellhülse 6 gewährleistet wird, ist es durchaus denkbar, eine weitere Lagerung der Welle im Bereich der Gegenschneide 11 vorzusehen.By adjusting sleeve 6 mounted outside the housing, an adjustment of the cutting gap can be done without tools even when the suction line is connected. While the main bearing of the shaft 4 is ensured by the two bearings 8, 9 in the adjusting sleeve 6, it is quite conceivable to provide a further support of the shaft in the region of the counter-blade 11.

Gemäß einer weiteren Ausgestaltung der Befüllvorrichtung ist im Bereich des Ansaugstutzens 2 ein mit der Welle 4 mitrotierender Saugrotor 13 vorgesehen, der über eine Buchse 14 auf der Welle 4 gehaltert ist und eine Vorbeschleunigung der zu fördernden, nichthomogenen Flüssigkeit bewirken soll. Sowohl das Saugrad 5 als auch der Saugrotor 13 sind, beispielsweise über Passfedern, drehfest an der Welle 4 gehaltert. Dabei weisen Saugrad und Saugrotor genügend Spiel zu den Wandungen des Gehäuses auf, um die axiale Verschiebung der Welle 4 (zusammen mit Saugrad und Saugrotor) durch Drehen der Verstellhülse 6 zu gewährleisten.According to a further embodiment of the filling device, a suction rotor 13 co-rotating with the shaft 4 is provided in the region of the intake nozzle 2, which is held on the shaft 4 via a bushing 14 and is intended to cause a pre-acceleration of the non-homogeneous liquid to be conveyed. Both the suction 5 and the suction rotor 13 are, for example via feather keys, rotatably supported on the shaft 4. In this case, suction wheel and suction rotor enough clearance to the walls of the housing in order to ensure the axial displacement of the shaft 4 (together with suction and suction rotor) by turning the adjusting sleeve 6.

Das aus der Verstellhülse 6 herausragende Ende der Welle 4 ist mit einem Kupplungsbereich 4a versehen, um einen geeigneten, nicht näher dargestellten Antrieb, beispielsweise einen Gelenkwellenantrieb oder einen Hydraulikmotor anzukoppeln.The protruding from the adjusting sleeve 6 end of the shaft 4 is provided with a coupling portion 4 a, to couple a suitable drive, not shown, for example, a cardan shaft drive or a hydraulic motor.

Anhand der Figuren 7 und 8 wird im Folgenden eine weitere Besonderheit im Bereich des tangentialen Abführstutzens 3 näher erläutert. Um eine möglichst gute Saugwirkung zu erzeugen, ist das Saugrad 5 so dimensioniert, dass ein möglichst kleiner Spalt zwischen der Umfangsfläche des zylindrischen Gehäuseteils 1a und den Schaufeln des Saugrades 5 besteht. Im Bereich des Abführstutzens 3 ist zudem ein Abstreifer 15 mit einer Abstreifkante 15a vorgesehen, der in Richtung des Doppelpfeils 16 verstellbar ist, um einen minimalen Spalt zwischen der Abstreifkante 15a und dem Saugrad 5 einstellen zu können. Hierdurch können insbesondere etwaige Fertigungstoleranzen oder ein Verschleiß ausgeglichen werden, um auf diese Weise die Saug- und Förderleistung der Befüllvorrichtung zu maximieren. Die Verstellung wird zweckmäßigerweise mechanisch durchgeführt, indem die Abstreifkante 15a beispielsweise mittels einer Schraube in einem Langloch am Gehäuse gehaltert ist.Based on FIGS. 7 and 8 In the following, a further special feature in the area of the tangential discharge nozzle 3 will be explained in more detail. In order to produce the best possible suction, the suction wheel 5 is dimensioned so that as possible small gap between the peripheral surface of the cylindrical housing part 1a and the blades of the suction wheel 5 is made. In the region of the discharge nozzle 3, a scraper 15 is also provided with a scraper edge 15a, which is adjustable in the direction of the double arrow 16 in order to set a minimum gap between the scraper edge 15a and the suction 5. As a result, in particular any manufacturing tolerances or wear can be compensated in order to maximize the suction and delivery of the filling in this way. The adjustment is expediently carried out mechanically in that the wiping edge 15a is held, for example, by means of a screw in a slot on the housing.

Claims (13)

Befüllvorrichtung zur Saugförderung von nichthomogenen Flüssigkeiten, wie Gülle, Jauche, Klärschlamm oder Fäkalien, mit einem Gehäuse (1), das einen Ansaugstutzen (2) und einen Abführstutzen (3) sowie ein im Gehäuse (1) angeordnetes und auf einer antreibbaren Welle (4) gehaltertes Saugrad (5) aufweist, wobei ein mit einer Gegenschneide (11) zusammenwirkendes Schneidmesser (10) im Bereich des Ansaugstutzens (2) vorgesehen ist, wobei die Welle (4) mit einem Ende bis in den Ansaugstutzen (2) hineinreicht und das Schneidmesser (10) drehfest an diesem Ende der Welle (4) befestigt ist und die Welle zur Einstellung des Schnittspaltes (12) zwischen Gegenschneide (11) und Schneidmesser (10) axial verschiebbar im Gehäuse (1) gelagert ist,
dadurch gekennzeichnet, dass eine koaxial um die Welle (4) angeordnete Verstellhülse (6) vorgesehen ist, wobei eine Drehung der Verstellhülse (6) eine Verschiebung der Welle (4) in ihrer axialen Richtung bewirkt.Filling device for suction conveyance of non-homogeneous liquids, such as manure, manure, sewage sludge or faeces, with a housing (1) having an intake (2) and a discharge (3) and in the housing (1) and arranged on a driven shaft (4 ) supported suction wheel (5), wherein one with a counter cutting edge (11) cooperating cutting blade (10) in the region of the intake (2) is provided, wherein the shaft (4) with one end extends into the intake manifold (2) and the Cutting blade (10) is non-rotatably mounted at this end of the shaft (4) and the shaft for adjusting the cutting gap (12) between the counter-blade (11) and cutting blade (10) is axially displaceably mounted in the housing (1),
characterized in that a coaxially about the shaft (4) arranged adjusting sleeve (6) is provided, wherein a rotation of the adjusting sleeve (6) causes a displacement of the shaft (4) in its axial direction. Befüllvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Welle (4) an der Verstellhülse (6) gelagert ist.Filling device according to claim 1, characterized in that the shaft (4) on the adjusting sleeve (6) is mounted. Befüllvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Verstellhülse (6) zwei beanstandete Lager (8, 9) zur Lagerung der Welle (4) aufweist.Filling device according to claim 2, characterized in that the adjusting sleeve (6) has two spaced bearings (8, 9) for supporting the shaft (4). Befüllvorrichtung nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Verstellhülse (6) über eine Gewindeverbindung (7) drehbar am Gehäuse (1) gelagert ist, wobei eine Drehung der Verstellhülse (6) eine Verschiebung der Verstellhülse (6) zusammen mit der Welle (4) relativ zum Gehäuse (1) bewirkt.Filling device according to one or more of claims 1 to 3, characterized in that the adjusting sleeve (6) via a threaded connection (7) is rotatably mounted on the housing (1), wherein a rotation of the adjusting sleeve (6) a displacement of the adjusting sleeve (6). together with the shaft (4) relative to the housing (1) causes. Befüllvorrichtung nach einem oder mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Verstellhülse (6) an einer Außerseite des Gehäuses (1) gelagert ist.Filling device according to one or more of claims 1 to 4, characterized in that the adjusting sleeve (6) is mounted on an outside of the housing (1). Befüllvorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Saugrad (5) von einem konzentrisch um die Welle (4) angeordneten, zylindrischen Gehäuseteil (1a) umgeben ist.Filling device according to one or more of the preceding claims, characterized in that the suction wheel (5) is surrounded by a concentric about the shaft (4) arranged, cylindrical housing part (1 a). Befüllvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass der Abführstutzen (3) tangential an den zylindrischen Gehäuseteil (1a) angeschlossen ist.Filling device according to claim 6, characterized in that the discharge nozzle (3) is connected tangentially to the cylindrical housing part (1a). Befüllvorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass weiterhin ein mit der Welle (4) rotierender Saugrotor (13) vorgesehen ist.Filling device according to one or more of the preceding claims, characterized in that a further with the shaft (4) rotating suction rotor (13) is provided. Befüllvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass der Saugrotor (13) zur Vorbeschleunigung der nichthomogenen Flüssigkeit im Bereich des Ansaugstutzens (2) angeordnet ist.Filling device according to claim 8, characterized in that the suction rotor (13) for pre-acceleration of the non-homogeneous liquid in the region of the intake manifold (2) is arranged. Befüllvorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass im Bereich des Abführstutzens (3) ein Abstreifer (15) vorgesehen ist, dessen Abstreifkante (15a) parallel zur Welle (4) ausgerichtet ist und der Abstreifer (15) zur Einstellung eines Spaltmaßes (12) zwischen Abstreifkante (15a) und Saugrad (5) verstellbar angeordnet ist.Filling device according to one or more of the preceding claims, characterized in that in the region of the discharge nozzle (3) a scraper (15) is provided, the scraper edge (15a) is aligned parallel to the shaft (4) and the scraper (15) for adjusting a Gap (12) between the scraper edge (15a) and suction (5) is adjustably arranged. Befüllvorrichtung nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass an dem dem Schneidmesser (10) gegenüberliegenden Ende der Welle (4) ein Kupplungsbereich (4a) zu Ankopplung eines Antriebs vorgesehen ist.Filling device according to one or more of the preceding claims, characterized in that on the cutting blade (10) opposite the end of the shaft (4) a coupling region (4a) is provided for coupling a drive. Befüllvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der Kupplungsbereich (4a) durch einen Keilwellenbereich gebildet wird.Filling device according to claim 11, characterized in that the coupling region (4a) is formed by a splined shaft region. Befüllvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der Antrieb als Gelenkwellenantrieb oder Hydraulikmotor ausgebildet ist.Filling device according to claim 11, characterized in that the drive is designed as a cardan shaft drive or hydraulic motor.
EP14150629.5A 2013-01-14 2014-01-09 Filling device for the suction conveyance of non-homogeneous fluids Active EP2754897B1 (en)

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DE202013100179U DE202013100179U1 (en) 2013-01-14 2013-01-14 Filling device for suction conveyance of non-homogeneous liquids

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH717149A1 (en) * 2020-02-19 2021-08-31 Mai Joel Cutting pump.

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GB2513588A (en) * 2013-04-30 2014-11-05 Redrock Machinery Ltd Improvements in and relating to slurry pumps
FR3006721A1 (en) * 2013-06-10 2014-12-12 Ksb Sas DILECERATING PUMP WITH MEANS OF ADJUSTMENT
DE202015104065U1 (en) 2015-08-04 2015-10-20 Josef Fliegl sen. Conveying device for conveying non-homogeneous liquids

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DE112004001365T5 (en) 2003-07-22 2006-07-06 Envirotech Pumpsystems, Inc. (n.d.Ges.d. Staates Delaware), Salt Lake City Mechanism for axial adjustment of chopper-pump spaces

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US2006727A (en) * 1931-11-05 1935-07-02 Paul R Hazlett Pump construction

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Publication number Priority date Publication date Assignee Title
DE112004001365T5 (en) 2003-07-22 2006-07-06 Envirotech Pumpsystems, Inc. (n.d.Ges.d. Staates Delaware), Salt Lake City Mechanism for axial adjustment of chopper-pump spaces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH717149A1 (en) * 2020-02-19 2021-08-31 Mai Joel Cutting pump.

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EP2754897B1 (en) 2020-04-01
PL2754897T3 (en) 2020-08-24
HUE049213T2 (en) 2020-09-28
DE202013100179U1 (en) 2013-01-25
EP2754897A3 (en) 2018-03-21

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