EP2813707B1 - Pompe dilacératrice à moyens de réglage - Google Patents

Pompe dilacératrice à moyens de réglage Download PDF

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Publication number
EP2813707B1
EP2813707B1 EP14168689.9A EP14168689A EP2813707B1 EP 2813707 B1 EP2813707 B1 EP 2813707B1 EP 14168689 A EP14168689 A EP 14168689A EP 2813707 B1 EP2813707 B1 EP 2813707B1
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EP
European Patent Office
Prior art keywords
cutting
ring
play
controlling
plate
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.)
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EP14168689.9A
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German (de)
English (en)
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EP2813707A1 (fr
Inventor
Michel Caigny
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KSB SAS
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KSB SAS
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Priority to SI201430040A priority Critical patent/SI2813707T1/sl
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Publication of EP2813707B1 publication Critical patent/EP2813707B1/fr
Priority to HRP20161087TT priority patent/HRP20161087T1/hr
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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
    • 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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0027—Varying behaviour or the very pump
    • F04D15/0033—By-passing by increasing clearance between impeller and its casing
    • 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

Definitions

  • the present invention relates to the macerator pumps.
  • a dilacerator pump can split fibers contained in suspension in wastewater.
  • Speak WO 2006/05865 already known is a macerator pump, which comprises a shaft driven in rotation by a motor and an impeller integral in rotation with the shaft in a pump body defining a suction zone. Fluid conveyed goes through a passage of the suction zone to a discharge pipe passing between a rotating knife integral with the shaft and a securing ring attached to a closure plate of the body. The distance or clearance, counted in the direction of the shaft, between the knife and the ring is adjustable.
  • the invention is directed to a grinding pump whose adjustment of the clearance is simple to perform, without in particular requiring a new machining of surfaces, other than the sharpening of properly macerating elements.
  • the dilacerator pump according to the invention is defined in claim 1.
  • the knife and the ring are made of metal and the macerating means are machined thereby being in one piece with them respectively.
  • the means for adjusting the clearance play comprise three screws, in particular at 120 °, parallel to the axis, passing through the plate and pushing the ring towards the impeller.
  • These screw-lifters only three in number, which must be distinguished from the fixing screws of the ring to the body which pass through the body and enter the ring, are very easily accessible and, only three in number, give a very easy setting and very simple to perform.
  • the means for adjusting the clearance may also include or in addition a washer between the body and the ring, which washer is added when, after sharpening, it is appropriate to adjust the correct distance between the knife and the ring.
  • the adjustment means of the clearance may also comprise a washer disposed between the impeller and the knife being in contact with them.
  • both the adjusting means comprising at least the three thrust screws parallel to the axis and the washer disposed between the impeller and the knife being in contact with them.
  • the means of disintegrating the ring preferably comprise, on one of its front faces, slots with sharp cutting edges, whereas the knife may be a disk, whose blade surface comprises blades with sharp cutting edges. intrados and / or extrados.
  • the body and the plate there is, between the body and the plate, means for adjusting the hydraulic clearance.
  • the hydraulic clearance is the distance from the axis of the pump between the impeller and the closing plate of the pump casing.
  • the adjustment of the grinding clearance does not affect the hydraulic clearance. After sharpening, first adjust the hydraulic clearance, then it is preserved, we can adjust the play of misalignment, which makes possible the adjustment of these two games.
  • the adjustment means of the clearance play and those of the hydraulic play do not affect each other.
  • the pump shown in figure 1 comprises a shaft 1 driven in rotation by a motor, not shown, and an impeller 2 integral in rotation with the shaft 1 in a body 20 closed by a closure plate 3 defining a suction zone 4. Fluid conveyed from the suction zone 4 to a discharge pipe 5 passes between a knife 6 integral with the rotating shaft 1 and a securing ring 7 fixed to the plate 3.
  • the closure plate 3 may be adjusted axially by adjustment screws 21, so as to adjust the hydraulic clearance between the impeller and the plate 3.
  • the metal knife 6 is a disk 8 having four vanes 9 ( figure 4 ) evenly distributed, which were machined on the underside. Each blade 9 has two opposite edges 10 of intrados and extrados, which are sharp.
  • the knife 6 is fixed to the shaft 1 with the interposition of a removable washer 19.
  • the metal ring 7 is represented at figure 3 . It is a ring 11 provided on the upper face of crenellations 12 with sharp edges 13 radial.
  • a washer 14 which may additionally or replace three push-screws arranged at 120 ° to one another ( figure 2 ), which push back the ring 7 towards the impeller 2, so as to adjust the distance between the surface 16 of the macerator ring 7 and the surface 17 of the knife blade 6. It can also be seen in FIG. figure 2 three screws 18 for fixing the ring 7 to the closure plate 3.
  • the knife 6 and the ring 7 of the macerator pump shown in FIG. figure 1 have already been sharpened.
  • a washer 19 has thus been added between the knife 6 and the impeller 2, after regrinding, to compensate for the sharpening machining of the surfaces 16 and 17 macerators.
  • the screws 15 were screwed back to put the ring 7 at a good distance from the knife 6, while, if there was not a washer 14, it was added.
  • the clearance between the knife 6 and the ring 7 does not modify the hydraulic clearance between the plate 3 and the impeller 2.
  • the adjustment of the clearance play does not affect the hydraulic clearance, whereas, in previous pumps, regrinding, going with the setting of the set of tearing, irreparably damaged the hydraulic play.

Description

  • La présente invention concerne les pompes dilacératrices. Une pompe dilacératrice peut fractionner des fibres contenues en suspension dans des eaux usées.
  • Par le WO 2006/05865 , on connaît déjà une pompe dilacératrice, qui comprend un arbre entraîné en rotation par un moteur et un impulseur solidaire en rotation de l'arbre dans un corps de pompe définissant une zone d'aspiration. Du fluide véhiculé va par un passage de la zone d'aspiration à une tubulure de refoulement en passant entre un couteau tournant solidaire de l'arbre et une bague sécatrice fixée à une plaque de fermeture du corps. La distance ou jeu de dilacération, décomptée suivant la direction de l'arbre, entre le couteau et la bague est réglable.
  • L'invention vise une pompe dilacératrice dont le réglage du jeu de dilacération est simple à effectuer, sans notamment nécessiter un nouvel usinage des surfaces, autres que l'affûtage des éléments proprement dilacérateurs.
  • La pompe dilacératrice suivant l'invention est définie à la revendication 1.
  • Le couteau et la bague sont en métal et les moyens de dilacération y sont usinés en étant donc d'un seul tenant avec eux respectivement.
  • Lorsque les moyens de dilacération de la bague et du couteau sont émoussés, on les affûte et on règle à nouveau la bonne distance entre la bague et le couteau par les moyens de réglage du jeu de dilacération, la distance étant simple à régler, parce que le réglage s'effectue parallèlement à l'axe.
  • Suivant un mode de réalisation très préféré, les moyens de réglage du jeu de dilacération comprennent trois vis, notamment à 120°, parallèles à l'axe, traversant la plaque et repoussant la bague en direction de l'impulseur. Ces vis-poussoirs, seulement au nombre de trois, que l'on doit distinguer des vis de fixation de la bague au corps qui traversent le corps et rentrent dans la bague, sont très facilement accessibles et, seulement au nombre de trois, donnent un réglage très facile et très simple à effectuer.
  • Mais les moyens de réglage du jeu de dilacération peuvent comprendre aussi ou en plus une rondelle entre le corps et la bague, rondelle que l'on ajoute lorsque, après l'affûtage, il convient de régler à la bonne valeur la distance entre le couteau et la bague.
  • Les moyens de réglage du jeu de dilacération peuvent comprendre aussi une rondelle disposée entre l'impulseur et le couteau en étant en contact avec eux. De préférence, il est prévu à la fois les moyens de réglage comprenant au moins les trois vis-poussoirs parallèles à l'axe et la rondelle disposée entre l'impulseur et le couteau en étant en contact avec eux.
  • Les moyens de dilacération de la bague comprennent, de préférence sur l'une de ses faces frontales, des créneaux à arêtes vives coupantes radiales, tandis que le couteau peut être un disque, dont la surface dilacératrice comprend des aubes à arêtes vives coupantes d'intrados et/ou d'extrados.
  • Suivant l'invention, il y a, entre le corps et la plaque, des moyens de réglage du jeu hydraulique. Le jeu hydraulique est la distance suivant l'axe de la pompe entre l'impulseur et la plaque de fermeture du corps de pompe. Le réglage du jeu de dilacération n'affecte pas le jeu hydraulique. Après un affûtage, on règle d'abord le jeu hydraulique, puis celui-ci étant conservé, on peut régler le jeu de dilacération, ce qui rend possible le réglage de ces deux jeux. Les moyens de réglage du jeu de dilacération et ceux du jeu hydrauliques ne s'affectent pas l'un l'autre.
  • Aux dessins annexés, donnés uniquement à titre d'exemple :
    • la figure 1
    est une vue en coupe par un plan passant par l'axe de la pompe dilacératrice suivant l'invention ;
    la figure 2
    est une vue de dessous correspondant à la figure 1 ;
    la figure 3
    est une vue en perspective de la bague ; et
    la figure 4
    est une vue de dessus du couteau.
  • La pompe représentée à la figure 1 comprend un arbre 1 entraîné en rotation par un moteur, non représenté, et un impulseur 2 solidaire en rotation de l'arbre 1 dans un corps 20 fermé par une plaque 3 de fermeture définissant une zone 4 d'aspiration. Du fluide véhiculé, allant de la zone 4 d'aspiration à une tubulure 5 de refoulement, passe entre un couteau 6 solidaire de l'arbre 1 en rotation et une bague 7 sécatrice fixée à la plaque 3. La plaque 3 de fermeture peut être réglée axialement par des vis 21 de réglage, de manière à régler le jeu hydraulique entre l'impulseur et la plaque 3.
  • Le couteau 6 métallique est un disque 8 ayant quatre aubes 9 (figure 4) réparties uniformément, qui ont été usinées sur la face inférieure. Chaque aube 9 a deux arêtes 10 opposées d'intrados et d'extrados, qui sont vives. Le couteau 6 est fixé à l'arbre 1 avec interposition d'une rondelle 19 amovible.
  • La bague 7 métallique est représentée à la figure 3. C'est un anneau 11 muni sur la face supérieure de créneaux 12 à arêtes 13 vives radiales.
  • On a représenté en tirets à la figure 1 une rondelle 14, qui peut venir en supplément ou remplacer trois vis 15 poussoirs disposées à 120° l'une de l'autre (figure 2), qui repoussent la bague 7 vers l'impulseur 2, de manière à régler la distance entre la surface 16 dilacératrice de la bague 7 et la surface 17 dilacératrice du couteau 6. On voit, en outre, à la figure 2 trois vis 18 de fixation de la bague 7 à la plaque 3 de fermeture.
  • Le couteau 6 et la bague 7 de la pompe dilacératrice représentée à la figure 1 ont été déjà réaffûtés. Une rondelle 19 a ainsi été rajoutée entre le couteau 6 et l'impulseur 2, après le réaffûtage, pour compenser l'usinage de réaffûtage des surfaces 16 et 17 dilacératrices. Les vis 15 ont été revissées pour remettre la bague 7 à bonne distance du couteau 6, tandis que, s'il n'y avait pas une rondelle 14, elle a été ajoutée. Le jeu de dilacération entre le couteau 6 et la bague 7 ne modifie pas le jeu hydraulique entre la plaque 3 et l'impulseur 2. Comme la plaque 3 et la bague 7 ont chacune leur propre vis de réglage, le réglage du jeu de dilacération ne porte pas atteinte au jeu hydraulique, alors que, dans les pompes antérieures, le réaffûtage, allant de paire avec le réglage du jeu de dilacération, portait irrémédiablement atteinte au jeu hydraulique.

Claims (8)

  1. Pompe dilacératrice, comprenant :
    - un arbre (1) entraîné en rotation autour d'un axe par un moteur,
    - un impulseur (2) solidaire en rotation de l'arbre (1) dans un corps (20) fermé par une plaque (3) de fermeture définissant une zone (4) d'aspiration, un passage pour du fluide allant de la zone (4) d'aspiration à une tubulure (5) de refoulement en passant entre un couteau (6) tournant solidaire de l'arbre (1) et une bague (7) sécatrice fixée à une plaque (3) de fermeture du corps (20),
    - le couteau (6) et la bague (7) sont en regard par des surfaces qui sont munies de moyens de dilacération et qui sont perpendiculaires à l'axe,
    - la distance ou jeu de dilacération, décomptée suivant l'axe, entre le couteau (6) et la bague (7) sécatrice étant réglable par des moyens de réglage du jeu de dilacération,
    caractérisée par des moyens (21) de réglage du jeu hydraulique ou distance suivant l'axe entre l'impulseur (2) et la plaque (3) indépendants des moyens (15) de réglage du jeu de dilacération.
  2. Pompe dilacératrice suivant la revendication 1, caractérisée en ce que les moyens de réglage du jeu de dilacération comprennent trois vis (15) accessibles, parallèles à l'axe, traversant la plaque (3) et repoussant la bague (7) en direction de l'impulseur (2).
  3. Pompe dilacératrice suivant la revendication 1, caractérisée en ce que les moyens de réglage du jeu de dilacération comprennent une rondelle (19) disposée entre l'impulseur (2) et le couteau (6) en étant en contact avec eux.
  4. Pompe dilacératrice suivant la revendication 1, 2 ou 3, caractérisée en ce que les moyens de réglage du jeu hydraulique sont disposés entre le corps (20) et la plaque (3).
  5. Pompe dilacératrice suivant l'une quelconque des revendications 1 à 4, caractérisée en ce que les moyens de réglage du jeu hydraulique comprennent des vis.
  6. Pompe dilacératrice suivant l'une des revendications 1 à 5, caractérisée en ce que les moyens de dilacération de la bague (7) comprennent des créneaux (12) à arêtes vives radiales.
  7. Pompe dilacératrice suivant l'une des revendications 1 à 6, caractérisée en ce que le couteau (6) est un disque, dont les moyens de dilacération comprennent des aubes (9) à arêtes vives coupantes.
  8. Pompe dilacératrice suivant l'une des revendications 1 à 7, caractérisée en ce que les moyens de réglage du jeu de dilacération comprennent une rondelle (14) entre la plaque (3) et la bague (7).
EP14168689.9A 2013-06-10 2014-05-16 Pompe dilacératrice à moyens de réglage Active EP2813707B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI201430040A SI2813707T1 (sl) 2013-06-10 2014-05-16 Drobilna črpalka s sredstvi za reguliranje
HRP20161087TT HRP20161087T1 (hr) 2013-06-10 2016-08-25 Crpka za usitnjavanje s uređajem za podešavanje

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1301319A FR3006721A1 (fr) 2013-06-10 2013-06-10 Pompe dileceratrice a moyens de reglage

Publications (2)

Publication Number Publication Date
EP2813707A1 EP2813707A1 (fr) 2014-12-17
EP2813707B1 true EP2813707B1 (fr) 2016-07-13

Family

ID=49054607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14168689.9A Active EP2813707B1 (fr) 2013-06-10 2014-05-16 Pompe dilacératrice à moyens de réglage

Country Status (9)

Country Link
EP (1) EP2813707B1 (fr)
DK (1) DK2813707T3 (fr)
ES (1) ES2595258T3 (fr)
FR (1) FR3006721A1 (fr)
HR (1) HRP20161087T1 (fr)
HU (1) HUE030255T2 (fr)
PL (1) PL2813707T3 (fr)
PT (1) PT2813707T (fr)
SI (1) SI2813707T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201600122865A1 (it) * 2016-12-02 2018-06-02 Dreno Pompe Srl Pompa trinciatrice con gruppo di taglio e girante ad assemblaggio rapido
FR3088221B1 (fr) * 2018-11-13 2023-02-24 Victor Jean Ballestra Dispositif de dilaceration pour broyeur sanitaire

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1511657A (fr) * 1966-12-23 1968-02-02 Pierre Mengin Ets Perfectionnements aux pompes dilacératrices
FR2800764B1 (fr) * 1999-11-05 2002-03-15 Jean Claude Perdriel Dispositif de dilaceration de matieres, par exemple destine a equiper une cuvette de water-closet
FR2872204B1 (fr) 2004-06-23 2006-11-03 Peugeot Citroen Automobiles Sa Systeme d'aide a la regeneration de moyens de depollution integres dans une ligne d'echappement d'un moteur
EP1817501B1 (fr) * 2004-12-03 2009-04-01 Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG Pompe avec roue sécatrice
JP4971924B2 (ja) * 2007-09-26 2012-07-11 ハスクバーナ・ゼノア株式会社 水中ポンプ
DE202013100179U1 (de) * 2013-01-14 2013-01-25 Josef Fliegl sen. Befüllvorrichtung zur Saugförderung von nichthomogenen Flüssigkeiten

Also Published As

Publication number Publication date
PT2813707T (pt) 2016-08-17
DK2813707T3 (en) 2016-09-26
PL2813707T3 (pl) 2017-01-31
FR3006721A1 (fr) 2014-12-12
SI2813707T1 (sl) 2016-09-30
EP2813707A1 (fr) 2014-12-17
HRP20161087T1 (hr) 2016-10-21
HUE030255T2 (en) 2017-04-28
ES2595258T3 (es) 2016-12-28

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