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ES2620760T3 - Improvements in pumps and their components - Google Patents

Improvements in pumps and their components Download PDF

Info

Publication number
ES2620760T3
ES2620760T3 ES12815181.8T ES12815181T ES2620760T3 ES 2620760 T3 ES2620760 T3 ES 2620760T3 ES 12815181 T ES12815181 T ES 12815181T ES 2620760 T3 ES2620760 T3 ES 2620760T3
Authority
ES
Spain
Prior art keywords
impeller
region
face
rotation
axis
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
ES12815181.8T
Other languages
Spanish (es)
Inventor
Luis Moscoso Lavagna
Garry Bruce Glaves
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.)
Weir Minerals Australia Ltd
Original Assignee
Weir Minerals Australia Ltd
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 AU2011902894A external-priority patent/AU2011902894A0/en
Application filed by Weir Minerals Australia Ltd filed Critical Weir Minerals Australia Ltd
Application granted granted Critical
Publication of ES2620760T3 publication Critical patent/ES2620760T3/en
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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal 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
    • F04D29/02—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
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
    • 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
    • F04D29/40—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
    • 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
    • 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
    • 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
    • F05D2230/60—Assembly methods

Landscapes

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

Abstract

En combinación, una parte lateral de bomba de lodos (30) y un impulsor de bomba de lodos (40), - comprendiendo el impulsor (40) una cubierta frontal (500), una cubierta posterior (51) y una pluralidad de palas de bombeo (42) entre las mismas, teniendo la cubierta frontal (50) una cara exterior (54) y una entrada del impulsor (52), que se extiende a través de la cubierta frontal (50), siendo la entrada del impulsor (52) coaxial con un eje de rotación del impulsor (X-X), la cara exterior (54) de la cubierta frontal incluyendo una región exterior (70), una región interior (72) y una región intermedia (74) entre las mismas, estando la región intermedia (74) en un plano generalmente en ángulo recto con el eje de rotación del impulsor (X-X) y estando la región interior inclinada hacia las palas de bombeo (42); - comprendiendo la parte lateral de la bomba (30) una sección de pared lateral (15) que tiene una cara frontal (36) y una cara posterior (37), comprendiendo la parte lateral de la bomba (30), además, una sección de entrada (32), que se extiende desde la cara frontal (36), y dispuesta, cuando está en uso, para ser coaxial con el eje de rotación del impulsor (X-X), la cara posterior (37) incluyendo una región exterior (60) con un borde exterior (61) en un plano que está sustancialmente en ángulo recto con el eje de rotación (X-X), una región interior (62) con un borde interior (63) y una región intermedia (64) entre las regiones interior y exterior (60, 62), que está inclinada desde dicho plano en una dirección hacia la sección de entrada (32), extendiéndose la región interior (62) en una dirección alejándose de la región intermedia (64) y en una dirección alejándose de la cara frontal (36) de la sección de pared lateral (15), y siguiendo generalmente la región interior (72) de la cara exterior (54) de la cubierta frontal del impulsor (50), en donde la cara exterior (54) de la cubierta frontal del impulsor (500) y la cara posterior (37) de la parte lateral de la bomba (30) están dispuestas en uso para estar la una frente a la otra con una separación (80) entre las mismas, teniendo la separación una abertura exterior (82) y una abertura interior (83), estando configurada la cara posterior (37) de la sección de pared lateral de manera que la dimensión en sección transversal de la separación (80) aumenta en una dirección hacia el eje de rotación del impulsor (X-X) en la región intermedia y terminando la región interior en la abertura interior (83).In combination, a sludge pump side part (30) and a sludge pump impeller (40), - the impeller (40) comprising a front cover (500), a rear cover (51) and a plurality of blades pumping (42) between them, the front cover (50) having an outer face (54) and an impeller inlet (52), which extends through the front cover (50), the impeller inlet (52) being ) coaxial with an axis of rotation of the impeller (XX), the outer face (54) of the front cover including an outer region (70), an inner region (72) and an intermediate region (74) therebetween, the intermediate region (74) in a plane generally at right angles to the axis of rotation of the impeller (XX) and the inner region being inclined towards the pumping blades (42); - the side part of the pump (30) comprising a side wall section (15) having a front face (36) and a rear face (37), the side part of the pump (30) also comprising a section input (32), which extends from the front face (36), and arranged, when in use, to be coaxial with the axis of rotation of the impeller (XX), the rear face (37) including an outer region ( 60) with an outer edge (61) in a plane that is substantially at right angles to the axis of rotation (XX), an inner region (62) with an inner edge (63) and an intermediate region (64) between the regions interior and exterior (60, 62), which is inclined from said plane in a direction towards the entrance section (32), the interior region (62) extending in a direction away from the intermediate region (64) and in a direction away of the front face (36) of the side wall section (15), and generally following the int region upper (72) of the outer face (54) of the front impeller cover (50), wherein the outer face (54) of the front impeller cover (500) and the rear face (37) of the lateral part of The pump (30) is arranged in use to be facing each other with a separation (80) between them, the separation having an outer opening (82) and an inner opening (83), the rear face being configured ( 37) of the side wall section so that the cross-sectional dimension of the gap (80) increases in a direction towards the axis of rotation of the impeller (XX) in the intermediate region and ending the inner region in the inner opening ( 83).

Description

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Claims (1)

imagen1image 1 imagen2image2
ES12815181.8T 2011-07-20 2012-07-20 Improvements in pumps and their components Active ES2620760T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2011902894A AU2011902894A0 (en) 2011-07-20 Improvements to pumps and components therefore
AU2011902894 2011-07-20
PCT/AU2012/000868 WO2013010224A1 (en) 2011-07-20 2012-07-20 Improvements to pumps and components therefor

Publications (1)

Publication Number Publication Date
ES2620760T3 true ES2620760T3 (en) 2017-06-29

Family

ID=47557589

Family Applications (1)

Application Number Title Priority Date Filing Date
ES12815181.8T Active ES2620760T3 (en) 2011-07-20 2012-07-20 Improvements in pumps and their components

Country Status (20)

Country Link
US (1) US20140241888A1 (en)
EP (1) EP2734736B1 (en)
CN (1) CN103703254B (en)
AP (1) AP2013007329A0 (en)
AU (1) AU2012286528B2 (en)
BR (1) BR112013032290B1 (en)
CA (1) CA2839472C (en)
CL (1) CL2013003561A1 (en)
EA (1) EA026576B1 (en)
ES (1) ES2620760T3 (en)
HU (1) HUE031960T2 (en)
IL (1) IL229958B (en)
MX (1) MX341285B (en)
PE (1) PE20141349A1 (en)
PH (1) PH12013502613A1 (en)
PL (1) PL2734736T3 (en)
PT (1) PT2734736T (en)
UA (1) UA112986C2 (en)
WO (1) WO2013010224A1 (en)
ZA (1) ZA201309463B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2542233B (en) * 2015-08-26 2018-02-07 Weir Minerals Europe Ltd Rotary parts for a slurry pump
EA202191002A1 (en) * 2017-10-12 2021-09-09 Уэйр Минералз Острэйлиа Лтд INLET COMPONENT FOR SLUDGE PUMP
EP3830420A4 (en) * 2018-08-01 2022-08-24 Weir Slurry Group, Inc. Inverted annular side gap arrangement for a centrifugal pump

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703049B2 (en) * 1968-03-26 1974-09-26 Allweiler Ag, 7760 Radolfzell Kit of centrifugal pumps
US4613281A (en) * 1984-03-08 1986-09-23 Goulds Pumps, Incorporated Hydrodynamic seal
US4913619A (en) * 1988-08-08 1990-04-03 Barrett Haentjens & Co. Centrifugal pump having resistant components
FR2698666B1 (en) * 1992-11-30 1995-02-17 Europ Propulsion High performance centrifugal pump with open impeller.
AUPN715595A0 (en) * 1995-12-14 1996-01-18 Warman International Limited Improved centrifugal pump
JP3179716B2 (en) * 1996-10-29 2001-06-25 株式会社荏原製作所 Canned motor pump
US5941536A (en) * 1998-02-12 1999-08-24 Envirotech Pumpsystems, Inc. Elastomer seal for adjustable side liners of pumps
US7470106B1 (en) * 2001-07-10 2008-12-30 Townley Manufacturing, Inc. Centrifugal slurry pump
JP2003184783A (en) * 2001-12-18 2003-07-03 Ebara Corp Canned motor pump
CN101709712A (en) * 2009-12-09 2010-05-19 黄佳华 Horizontal type magnetic drive pump

Also Published As

Publication number Publication date
CN103703254A (en) 2014-04-02
EP2734736A4 (en) 2015-01-14
MX341285B (en) 2016-08-12
ZA201309463B (en) 2021-08-25
CL2013003561A1 (en) 2014-11-14
PH12013502613A1 (en) 2014-02-03
HUE031960T2 (en) 2017-09-28
UA112986C2 (en) 2016-11-25
PL2734736T3 (en) 2017-07-31
PT2734736T (en) 2017-03-30
EP2734736B1 (en) 2016-12-28
AP2013007329A0 (en) 2013-12-31
CA2839472A1 (en) 2013-01-24
WO2013010224A1 (en) 2013-01-24
EA026576B1 (en) 2017-04-28
BR112013032290B1 (en) 2021-05-18
CN103703254B (en) 2016-12-28
EP2734736A1 (en) 2014-05-28
US20140241888A1 (en) 2014-08-28
IL229958B (en) 2019-09-26
BR112013032290A2 (en) 2016-12-20
AU2012286528B2 (en) 2016-04-21
CA2839472C (en) 2019-10-01
AU2012286528A1 (en) 2013-05-02
MX2013015045A (en) 2014-02-17
EA201391709A1 (en) 2014-04-30
PE20141349A1 (en) 2014-10-13

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