ATE268436T1 - CENTRIFUGAL PUMP WITH SHREDDING DEVICE - Google Patents

CENTRIFUGAL PUMP WITH SHREDDING DEVICE

Info

Publication number
ATE268436T1
ATE268436T1 AT03005084T AT03005084T ATE268436T1 AT E268436 T1 ATE268436 T1 AT E268436T1 AT 03005084 T AT03005084 T AT 03005084T AT 03005084 T AT03005084 T AT 03005084T AT E268436 T1 ATE268436 T1 AT E268436T1
Authority
AT
Austria
Prior art keywords
shredding device
centrifugal pump
rotor
pump
blades
Prior art date
Application number
AT03005084T
Other languages
German (de)
Inventor
Jean Francois Devulder
Christoph Jaeger
Louis Symoens
Rolf Witzel
Original Assignee
Ksb Ag
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
Priority claimed from DE10305726A external-priority patent/DE10305726A1/en
Application filed by Ksb Ag filed Critical Ksb Ag
Application granted granted Critical
Publication of ATE268436T1 publication Critical patent/ATE268436T1/en

Links

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The pump has a shredding device for fibrous or particled material set in front of the pump rotor. The cutting head (8) of the shredding device has several axially aligned recesses (18) defined by webs which have cutting edges and which cover the inlet edges of the blades (11) of the rotor wheel and have a seamless transition into the contour of the blades whilst the recesses have a seamless transition into the channels (12) of the rotor.
AT03005084T 2002-03-14 2003-03-07 CENTRIFUGAL PUMP WITH SHREDDING DEVICE ATE268436T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10211096 2002-03-14
DE10305726A DE10305726A1 (en) 2002-03-14 2003-02-12 Centrifugal pump with shredding device

Publications (1)

Publication Number Publication Date
ATE268436T1 true ATE268436T1 (en) 2004-06-15

Family

ID=27766699

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03005084T ATE268436T1 (en) 2002-03-14 2003-03-07 CENTRIFUGAL PUMP WITH SHREDDING DEVICE

Country Status (2)

Country Link
EP (1) EP1344944B1 (en)
AT (1) ATE268436T1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008021767A1 (en) 2008-04-30 2009-11-05 Ksb Aktiengesellschaft Centrifugal pump with crushing device
WO2014145910A1 (en) 2013-03-15 2014-09-18 Pentair Pump Group, Inc. Cutting blade assembly
WO2017189741A1 (en) 2016-04-26 2017-11-02 Pentair Flow Technologies, Llc Cutting assembly for a chopper pump
DE102016225920A1 (en) 2016-12-21 2018-06-21 KSB SE & Co. KGaA Centrifugal pump with a crushing arrangement
DE102016225921A1 (en) 2016-12-21 2018-06-21 KSB SE & Co. KGaA Sewage lifting plant with cutting unit
LU102841B1 (en) * 2021-06-24 2022-12-27 Wilo Se Arrangement comprising an impeller and a cutting head for solid-loaded liquid of a pump
LU102842B1 (en) * 2021-06-24 2022-12-29 Wilo Se cutting head of a pump

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3444818A (en) * 1966-10-10 1969-05-20 Robert W Sutton Centrifugal pump
US4456424A (en) * 1981-03-05 1984-06-26 Toyo Denki Kogyosho Co., Ltd. Underwater sand pump
SE444969B (en) * 1982-10-11 1986-05-20 Flygt Ab Centrifugal pump intended for pumping of liquids containing solid particles
DE3703647A1 (en) * 1987-02-06 1988-08-18 Klein Schanzlin & Becker Ag CENTRIFUGAL PUMP FOR POLLUTED LIQUIDS
US4904159A (en) * 1988-07-18 1990-02-27 Suburbia Systems, Inc. Pump impeller
US5016825A (en) * 1990-02-14 1991-05-21 Mcneil (Ohio) Corporation Grinding impeller assembly for a grinder pump
CH689058A5 (en) * 1994-11-28 1998-08-31 Haeny & Cie Ag Centrifugal pump for contaminated with solids sewage waters.
GB9612201D0 (en) * 1996-06-11 1996-08-14 Sweepax International Limited Rotodynamic pump
DE19834815A1 (en) * 1998-08-01 2000-02-10 Orpu Gmbh Pump with cutting device for conveying medium mixed with solid constituents has rotatively driven running wheel provided with cutter forming gap to static counter cutter

Also Published As

Publication number Publication date
EP1344944B1 (en) 2004-06-02
EP1344944A1 (en) 2003-09-17

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