EP3929443C0 - Kreiselpumpe zur förderung feststoffhaltiger medien - Google Patents

Kreiselpumpe zur förderung feststoffhaltiger medien

Info

Publication number
EP3929443C0
EP3929443C0 EP21178749.4A EP21178749A EP3929443C0 EP 3929443 C0 EP3929443 C0 EP 3929443C0 EP 21178749 A EP21178749 A EP 21178749A EP 3929443 C0 EP3929443 C0 EP 3929443C0
Authority
EP
European Patent Office
Prior art keywords
centrifugal pump
containing media
transporting solid
transporting
solid
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.)
Active
Application number
EP21178749.4A
Other languages
English (en)
French (fr)
Other versions
EP3929443B1 (de
EP3929443A1 (de
Inventor
Markus Pittroff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KSB SE and Co KGaA
Original Assignee
KSB SE and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KSB SE and Co KGaA filed Critical KSB SE and Co KGaA
Publication of EP3929443A1 publication Critical patent/EP3929443A1/de
Application granted granted Critical
Publication of EP3929443B1 publication Critical patent/EP3929443B1/de
Publication of EP3929443C0 publication Critical patent/EP3929443C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • 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
    • F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/90—Coating; Surface treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/22—Non-oxide ceramics
    • F05D2300/224—Carbon, e.g. graphite

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP21178749.4A 2020-06-26 2021-06-10 Kreiselpumpe zur förderung feststoffhaltiger medien Active EP3929443B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020003848.4A DE102020003848A1 (de) 2020-06-26 2020-06-26 Kreiselpumpe zur Förderung feststoffhaltiger Medien

Publications (3)

Publication Number Publication Date
EP3929443A1 EP3929443A1 (de) 2021-12-29
EP3929443B1 EP3929443B1 (de) 2025-04-23
EP3929443C0 true EP3929443C0 (de) 2025-04-23

Family

ID=76374983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21178749.4A Active EP3929443B1 (de) 2020-06-26 2021-06-10 Kreiselpumpe zur förderung feststoffhaltiger medien

Country Status (2)

Country Link
EP (1) EP3929443B1 (de)
DE (1) DE102020003848A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7458765B2 (en) * 2005-09-23 2008-12-02 Fraunhofer Usa Diamond hard coating of ferrous substrates
EP2570674A1 (de) 2011-09-15 2013-03-20 Sandvik Intellectual Property AB Erosionsbeständige Laufradschaufel bestehend aus einem metallischen Laminat
DE102012218861A1 (de) * 2012-10-16 2014-04-17 Mahle International Gmbh Pumpe
WO2014201458A1 (en) * 2013-06-14 2014-12-18 Schlumberger Canada Limited Diamond surfaces for electric submersible pump components
US9677560B1 (en) * 2014-07-11 2017-06-13 Summit Esp, Llc Centrifugal pump impeller support system and apparatus
DE102016003180A1 (de) * 2016-03-16 2017-09-21 Ksb Aktiengesellschaft Kreiselpumpe mit einer Anordnung zur Reduzierung einer Rückströmung
DE102017223602A1 (de) 2017-12-21 2019-08-01 KSB SE & Co. KGaA Kreiselpumpe mit Gussbauteil
DE102018214650A1 (de) 2018-08-29 2020-03-05 KSB SE & Co. KGaA Strömungsführende Vorrichtung

Also Published As

Publication number Publication date
DE102020003848A1 (de) 2021-12-30
EP3929443B1 (de) 2025-04-23
EP3929443A1 (de) 2021-12-29

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