EP1108894B1 - Kreiselpumpe für Dickstoffe - Google Patents
Kreiselpumpe für Dickstoffe Download PDFInfo
- Publication number
- EP1108894B1 EP1108894B1 EP00126934A EP00126934A EP1108894B1 EP 1108894 B1 EP1108894 B1 EP 1108894B1 EP 00126934 A EP00126934 A EP 00126934A EP 00126934 A EP00126934 A EP 00126934A EP 1108894 B1 EP1108894 B1 EP 1108894B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- holder
- pump according
- housing
- cutting
- 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.)
- Expired - Lifetime
Links
Images
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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/021—Units comprising pumps and their driving means containing a coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
Definitions
- the invention relates to a pump, in particular a Centrifugal pump for thick matter, with the characteristics of Preamble of claim 1.
- Such pumps are used in particular as slurry pumps used and in containers with pumpable, viscous substances lowered.
- the pump is on up lowered the bottom of the container.
- Inlet directed above is achieved that the on the Foreign objects located on the floor, such as Stones, not immediately sucked in.
- the invention is therefore based on the object To further develop the pump of the type mentioned at the beginning, that the suction of the pump is increased and a Clogging by foreign substances is effectively prevented.
- a pump especially a centrifugal pump for thick matter, with a Drive linkage, at its lower end Pump housing, or the actual pump, with a Holder is arranged at a distance from the drive linkage, the housing having an upward inlet has, the holder according to the invention in outline crown-shaped, being in the upper area bulges outwards.
- the holder according to the invention in outline crown-shaped, being in the upper area bulges outwards.
- the holder is essentially made up of two Striving formed. These connect the pump to the Drive linkage, so that between the struts only the drive shaft that extends inside the Drive linkage is arranged and in the pump Impeller drives. Basically, it is also possible to have three or more struts, but this will make the restricted space between the struts and the free cross section reduced. Basically, it is favorable to use as few struts as possible. Also the use of a single strut is conceivable.
- the holder has an arcuate shape exterior shape. Basically they are also angular Forms conceivable, but it is preferred to use the holder to form an arc, as a result of which a higher Stability and easier editing possible becomes.
- the holder is particularly in the upper area domed on the outside and then extends essentially straight to the lower attachment point on the pump.
- the holder is approximately crown-shaped in outline. Other shapes are also possible, such as one Form each strut of the holder as a semicircle.
- the holder is at least as wide trained as the pump. This will make a big one Cross section of the holder ensured. In particular is it is preferred to design the holder so that it fits into its largest external dimensions up to the pump housing extends beyond.
- the pump preferably has a spiral housing with a impeller arranged therein, so that an inlet of is given above and on the side the outlet from the pump takes place and from there, for example, via a hose is pumped up.
- the cutting propeller is preferably the same Drive shaft driven like one in the pump arranged impeller. This is the structure of the pump overall particularly easy. Furthermore, it is preferred to design the cutting propeller with two blades. Other propeller designs are also fundamental possible, but it has been shown that a double wing Cutting propeller particularly good results in terms of the cutting effect.
- the inner surface adjacent to a peripheral edge of the cutting propeller is. This will ensure that Cutting propeller no large parts over to the inlet can reach. Rather, solids between the Cutting ring and the cutting propeller crushed.
- the upper one is also preferred Corner area of the cutting ring designed as a cutting edge, so that longer solid, such as straw, over this corner area and be cut off.
- the cutting propeller is preferably about halfway up arranged of the holder. This is particularly the case if the Holder is crown-shaped and above the Cutting propellers a comparatively large one Feed cross section remains.
- the Pump up a lower support bearing for the drive shaft.
- the drive shaft is additional in this support bearing stored so that protection against radial impacts consists.
- Fig. 1 is a pump 1, namely a centrifugal pump for Represented thick matter.
- the pump instructs Drive linkage 2 with a shaft 3 running therein.
- the wave is either direct from one Electric motor drive or an angular gear 4 from an engine, for example a tractor drive, operated.
- the drive linkage 2 is via a holder 5 connected to the housing 6, a spiral housing.
- the continuous shaft 3 drives in the housing 6 arranged impeller 7, which by the upward open inlet 8 pumps incoming liquid.
- the Housing 6 has a lower cover 9, the one has centrally arranged receptacle 10, into which a Support bearing 11 can be used, the shaft 3 in the lower Supported area and thus secures against radial impacts. Furthermore, there is a split ring 12 in the housing 6 intended.
- the parts of the housing 6 are essentially screwed together.
- the Fastened holder 5 which has two struts 15 and 16, which are arranged on opposite sides and in Outline about crown shape.
- the holder 15 is on its lower attachment point 17 in the outer area attached to the housing 6 and extends from there diagonally outwards and upwards.
- the Struts 16 and 17 In the upper area are the Struts 16 and 17 then guided in an arc and extend substantially horizontally to one upper attachment point 18 at which the holder with the Drive linkage 2 is connected.
- the drive linkage 2 has an outer tube 19 which is connected to a ring 20 is jammed.
- the drive linkage 2 is with the holder connected by screw connections.
- Fig. 2 the lower area of the pump is in shown perspective view.
- the spiral pump is also the outlet 28 recognizable.
- the cutting propeller 25 is arranged, which essentially consists of two semicircles that are twisted against each other are so that protruding cutting edges 29 are formed be and by the slope of the individual parts of the Cutting propeller 25 a pressure towards the inlet can be built.
- the supports 15 and 16 of the holder 5 have the of the attachment points 17 and 18 of the Support bulbous shape facing outwards.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
- Fig. 1:
- einen Querschnitt durch eine erfindungsgemäße Pumpe und
- Fig. 2:
- eine perspektivische Ansicht der Pumpe mit dem Halter und dem Antriebsgestänge.
Claims (14)
- Pumpe, insbesondere Kreiselpumpe, für Dickstoffe mit einem Antriebsgestänge (2), an dessen unterem Endbereich ein Gehäuse (6) der Pumpe mit einem Halter (5) mit Abstand zum Antriebsgestänge (2) angeordnet ist, wobei das Gehäuse (6) einen nach oben gerichteten Einlauf (8) aufweist, wobei der Halter (5) eine gegenüber einer geraden Linie zwischen den Befestigungspunkten (17, 18) des Halters (5) an dem Antriebsgestänge (2) und dem Gehäuse (6) der Pumpe eine nach außen erweiterte Form aufweist,
dadurch gekennzeichnet, daß der Halter (5) im Umriß etwa kronenförmig ausgebildet ist, wobei er sich im oberen Bereich nach außen wölbt. - Pumpe nach Anspruch 1, dadurch gekennzeichnet, daß der Halter (5) im wesentlichen von zwei Streben (15, 16) gebildet ist.
- Pumpe nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß der Halter (5) bogenförmig ist.
- Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Halter (5) im oberen Bereich nach außen gewölbt ist und sich dann im wesentlichen gerade zum unteren Befestigungspunkt (17) an dem Gehäuse (6) der Pumpe erstreckt.
- Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Halter (5) mindestens genauso breit wie das Gehäuse (6) der Pumpe ist.
- Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Pumpe (5) ein Spiralgehäuse mit einem darin angeordneten Laufrad (7) aufweist.
- Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß im Bereich des Halters (5) oberhalb des Einlaufs (8) ein Schneidpropeller (25) angeordnet ist.
- Pumpe nach Anspruch 7, dadurch gekennzeichnet, daß der Schneidpropeller (25) von derselben Antriebswelle (2) angetrieben ist wie ein in dem Gehäuse (6) der Pumpe angeordnetes Laufrad (7).
- Pumpe nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, daß der Schneidpropeller (25) zweiflügelig ausgebildet ist.
- Pumpe nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß an dem Halter (5) ein Schneidring (26) angeordnet ist, dessen Innenfläche benachbart zur Umfangskante des Schneidpropellers (25) ist.
- Pumpe nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß die Umfangskante des Schneidpropellers (25) scharfkantig ausgebildet ist.
- Pumpe nach einem der Ansprüche 7 bis 11, dadurch gekennzeichnet, daß ein oberer Eckbereich (27) des Schneidrings (26) als Schneidkante ausgebildet ist.
- Pumpe nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, daß der Schneidpropeller (25) etwa auf halber Höhe des Halters (5) angeordnet ist.
- Pumpe nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Pumpe ein Stützlager (11) für die Antriebswelle (3) aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19961196A DE19961196A1 (de) | 1999-12-18 | 1999-12-18 | Pumpe, insbesondere Kreiselpumpe für Dickstoffe |
DE19961196 | 1999-12-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1108894A2 EP1108894A2 (de) | 2001-06-20 |
EP1108894A3 EP1108894A3 (de) | 2002-07-17 |
EP1108894B1 true EP1108894B1 (de) | 2004-05-06 |
Family
ID=7933235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00126934A Expired - Lifetime EP1108894B1 (de) | 1999-12-18 | 2000-12-08 | Kreiselpumpe für Dickstoffe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1108894B1 (de) |
AT (1) | ATE266151T1 (de) |
DE (2) | DE19961196A1 (de) |
DK (1) | DK1108894T3 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20130390A1 (it) * | 2013-03-15 | 2014-09-16 | Euroacque S R L | Pompa disincrostatrice |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD79227A (de) * | ||||
US2714354A (en) * | 1952-09-08 | 1955-08-02 | Orrin E Farrand | Pump |
DE2040392A1 (de) * | 1970-08-13 | 1972-02-17 | Esterer Ag Maschf | Tauchschneidpumpe |
DE2901638B1 (de) * | 1979-01-17 | 1979-08-30 | Gascoigne Suedstall Gmbh | Kreiselpumpe fuer mit Feststoffen versetzte Fluessigkeiten |
DE3372396D1 (en) * | 1982-10-28 | 1987-08-13 | Goodwin R Int Ltd | Agitating particulate solids |
DE3640813A1 (de) * | 1986-05-16 | 1987-11-26 | Emu Unterwasserpumpen Gmbh | Unterwasser-kreiselpumpe |
US5256032A (en) * | 1992-05-26 | 1993-10-26 | Vaugan Co., Inc. | Centrifugal chopper pump |
DE19609712A1 (de) * | 1996-03-13 | 1997-09-18 | Uts Umwelt Technik Sued Gmbh | Pumpe |
DE19638080A1 (de) * | 1996-09-19 | 1998-03-26 | Uts Umwelt Technik Sued Gmbh | Pumpe |
-
1999
- 1999-12-18 DE DE19961196A patent/DE19961196A1/de not_active Withdrawn
-
2000
- 2000-12-08 DE DE50006317T patent/DE50006317D1/de not_active Expired - Fee Related
- 2000-12-08 EP EP00126934A patent/EP1108894B1/de not_active Expired - Lifetime
- 2000-12-08 DK DK00126934T patent/DK1108894T3/da active
- 2000-12-08 AT AT00126934T patent/ATE266151T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE266151T1 (de) | 2004-05-15 |
EP1108894A3 (de) | 2002-07-17 |
DE19961196A1 (de) | 2001-06-28 |
DK1108894T3 (da) | 2004-08-30 |
EP1108894A2 (de) | 2001-06-20 |
DE50006317D1 (de) | 2004-06-09 |
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