EP3791028B1 - Installation de relèvement des eaux usées - Google Patents

Installation de relèvement des eaux usées Download PDF

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Publication number
EP3791028B1
EP3791028B1 EP19723743.1A EP19723743A EP3791028B1 EP 3791028 B1 EP3791028 B1 EP 3791028B1 EP 19723743 A EP19723743 A EP 19723743A EP 3791028 B1 EP3791028 B1 EP 3791028B1
Authority
EP
European Patent Office
Prior art keywords
separating screen
frame
slide
wastewater
guide
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
EP19723743.1A
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German (de)
English (en)
Other versions
EP3791028C0 (fr
EP3791028A1 (fr
Inventor
Jürgen GEINITZ
Michael Becker
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
Priority to HRP20231162TT priority Critical patent/HRP20231162T1/hr
Publication of EP3791028A1 publication Critical patent/EP3791028A1/fr
Application granted granted Critical
Publication of EP3791028C0 publication Critical patent/EP3791028C0/fr
Publication of EP3791028B1 publication Critical patent/EP3791028B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates

Definitions

  • the invention relates to a sewage lifting plant with at least one solids collection tank with at least one separating sieve arranged in its interior for waste water to be conducted through it and contaminated with solids, and with at least one pump arranged downstream of the solids collection tank, which is connected to the solids tank via at least one connecting line.
  • collection container is connected, with the separating screen being designed to be optionally removable from and reinserted into the bulky material collection container through a closable opening, and wherein the bulky material collection container is designed with an inside guide for the separating screen that can be inserted and pulled out therein, with both the plugging as well as the pulling process of the separating screen is mainly vertical.
  • Sewage lifting plants are usually used to raise the sewage collected at the end of a sewage storage space to a specific level.
  • the solids collection container is provided.
  • the solids are separated from the pumped medium or waste water before the pumped medium freed from the solids enters the pump.
  • the separating sieve inside the solids collection tank ensures that the solids are separated from the conveyed medium.
  • the bulky materials remain in the bulky material collection tank during this process, so that only wastewater that has been pre-cleaned in this way is transferred to a liquid collection tank downstream of the bulky material collection tank.
  • the pre-cleaned waste water flows through the pump downstream of the solids collection tank and then enters the liquid collection tank.
  • the basic operation of such a sewage lifting plant is, for example, in EP 1 108 822 B1 described.
  • the filter device has a filter box that has a closable opening and is placed in front of the pump.
  • the filter device has a screen unit which is designed to be exchangeable and is formed by a large number of strips designed in the manner of a comb with gaps and teeth.
  • the screen unit can basically be removed and, for example, cleaned or replaced.
  • the metal strips used at this point are relatively fragile. Although they allow a change in the filter properties of the screen unit. However, damage to the strips in question is possible both during operation and during installation and removal and cannot be ruled out.
  • the bulky material collection container there is equipped with a shut-off/screen device as a unit consisting of a shut-off flap and a screen, which also works or can work as a separating screen.
  • the shut-off/screening device forms a structural unit together with a closing flange of the bulky material collection container and can be removed from the bulky material collection container in question and reinserted into it.
  • Such an approach has proven itself in principle.
  • the assembly and disassembly of the above-mentioned assembly is not unproblematic because the closing flange has to be coupled and screwed to the solids collection container from the side. In view of the considerable weight of 50 kg and more often observed at this point, problems can arise here, especially since additional flange holes have to be lined up in each case.
  • a circulating device for baths in the context of the prior art DE 10 2010 038 137 A1 described which uses a kind of sewage pumping station, with a filter insert being arranged in the associated housing.
  • the filter attachment can be kinematically connected to a cover with the aid of a coupling means in such a way that the filter insert moves when the cover is moved.
  • the screening device for a sewage lifting plant, as in the EP 2 966 231 A1 is described.
  • the screening device and the bulky material collection container are designed as a whole outside of a collection container or liquid collection container and are therefore freely accessible.
  • the screening device comprises at least one module which has an outer frame. Extending within the outer frame from its perimeter toward the center of the outer frame are a plurality of spaced apart alternately long and short pins. The pins run in the direction of the flow generated during emptying of the collection container deviating from the vertical direction of the flow inclined.
  • the screening device forms an independent component which is detachably connected to the sewage lifting plant.
  • the installation and removal of the screening device is again carried out from the side, that is, for example, from the right in an associated housing. With a high weight of the screening device, this is comparable to the prior art according to which has already been described DE 20 2008 011 273 U1 disadvantageous.
  • the invention is based on the technical problem of further developing such a sewage lifting plant in such a way that the separating screen can be accessed easily and with little effort.
  • the invention proposes in a generic sewage lifting plant that the separating screen on a the guide interacting slide-in frame is arranged and the slide-in frame and the guide are each U-shaped in front view, and that the slide-in frame also carries a shut-off valve next to the separating screen.
  • the separating screen is arranged on the slide-in frame interacting with the guide. Consequently, the separating screen can be easily inserted and pulled out again via the slide-in frame in the guide provided on the inside of the bulky material collection container and in particular the linear guide, predominantly vertically.
  • the bulky material collection container is basically arranged inside the liquid collection container, as is predominantly the case in EP 2 581 508 B1 is shown and described.
  • the bulky material collection container (as well as the pump) is arranged outside of the liquid collection container, comparable to that in FIG EP 2 966 231 A1 is described and emphasized.
  • the invention relies on an inside linear guide running vertically or predominantly in the direction of gravity in the bulky material collection container, whereas in the previously mentioned and known teaching an exchange is possible, but in such a way that the screening device there is again inserted from the side and is pulled out.
  • the EP 2 581 508 B1 Although a predominantly vertical movement of the separating screen is observed, it is unguided, so that damage to the filter strips used is possible during this process.
  • the slide-in frame carrying the separating screen and the guide are U-shaped in front view.
  • the design is such that the respective U-shape with the associated U-legs runs predominantly vertically or in the direction of gravitation.
  • the separator screen, guide, and slide-in frame are generally located in a box body portion of an otherwise tubular body of the solids collection container.
  • the box housing part is advantageously equipped with the top opening for the separating screen. It has proven particularly useful if the opening is rectangular. As a result, it is also possible to work overall with an associated rectangular closure flange. It is even possible for this sealing flange to be equipped with a quick-release fastener.
  • the generally predominantly tubular housing of the solids collection container is generally box-like, at least in the area of the separating sieve and consequently the guide and the slide-in frame. This is because the box housing part of the otherwise tubular housing of the bulky material collection container is realized in this area.
  • the box-like design or the box housing part usually has a base adapted to the tube shape and two side walls running parallel to one another, resulting in a U-shaped cross section of the box housing part with the upper sealing flange. Accordingly, the opening of the box body is formed in a rectangular shape.
  • the closure flange also has an associated rectangular shape that closes the opening. However, the closure flange can also be designed to be round or oval.
  • the slide-in frame is connected to the closure flange.
  • the slide-in frame also carries the shut-off valve in addition to the separating screen.
  • the butterfly valve is generally connected to the slide-in frame via a hinge.
  • an opening in the slide-in frame can be closed at least to the extent that a waste water flow only passes through the separating screen.
  • the separating screen is advantageously and essentially composed of a plurality of webs which are arranged at the edge of said opening in the slide-in frame and are spaced apart from one another. The interpretation may be comparable to that in the one previously referred to DE 20 2008 011 273 U1 be elected.
  • a waste water pumping station is made available that allows for easy maintenance and cleaning of the separating screen without fear of damage to the separating screen during installation and removal.
  • installation and removal is particularly easy and accurate, because only a guided insertion and removal process is required within the scope of the invention. This rules out any tilting or damage.
  • installation and removal is made much easier. This is where the main advantages can be seen.
  • a sewage pumping station is shown. This has first once via an inlet 1 for waste water, which in the exemplary embodiment transfers the waste water via an inlet distributor 2 via a feed line 3 into two solids collection containers 4 in each case.
  • the sewage lifting plant is designed symmetrically and has two solids collection tanks 4 and two additional derivations or connecting lines 5, via which the waste water pre-cleaned with the help of the solids collection tank 4 reaches an associated pump 6.
  • the solids collection tank 4 or the two solids collection tanks 4 ensure that the waste water which flows in overall via the inlet 1 and the inlet distributor 2 and is contaminated with solids is freed from the solids or solids which are in the associated solids collection tank 4 remain.
  • the wastewater that has been pre-cleaned in this way then reaches the pump 6 via the discharge line 5 or directly into a liquid collection tank 8 via a bypass 7.
  • the pre-cleaned wastewater flowing through the respective pump 6 also reaches the liquid collection tank 8 via a discharge line 9
  • the inflow of the waste water corresponds to this.
  • the pre-cleaned waste water is now sucked in from the liquid collection container 8 via the discharge line 9 by the pump 6 and pushed through the discharge line or connecting lines 5 into the solids collection container 4 .
  • the pre-cleaned waste water takes the solids retained in the solids collection tank 4 and transfers the waste water via a pressure line 11 to another plant or generally to further treatment.
  • the bulky substances are released from the bulky substance collection container 4 and flushed into the pressure line 11 with practically no resistance.
  • the design and function, in particular of the bulky material collection container 4 is of importance.
  • the decisive factor is the fact that the solids collection container 4 is initially equipped with a separating sieve 12 arranged in its interior. Through the separating screen 12, the waste water loaded with bulky substances is passed. In fact, the waste water flows from the inlet 1 via the inlet distributor 2 and the feed line 3 finally into the solids collection tank 4. From there, the waste water flows through the separating screen 12. During this process, the separating screen 12 ensures that the solids are held back in the solids collection container 4 .
  • a shut-off valve 13 is assigned to the separating screen 12 .
  • the shut-off flap 13 ensures that an opening 14 in a slide-in frame 15 is closed and the waste water contaminated with bulky substances only flows through the separating sieve 12 into the associated connecting line or discharge line 5 or the bypass or the bypass line 7 as pre-cleaned waste water enters and passes from there into the liquid collection container 8.
  • the waste water is deflected with the aid of a deflection or a deflection plate 16 .
  • the solids collection container 4 extends predominantly horizontally, whereas the pre-cleaned waste water is deflected vertically downwards via the discharge line 5 according to the exemplary embodiment in order to be able to enter the pump 6 or the bypass 7 from there.
  • the shut-off flap 13 is connected to the slide-in frame 15 via a joint 17 .
  • the slide-in frame 15 is in turn connected to a closure flange 18, which is an opening in a box housing part 19b locked.
  • the housing 19a, 19b, 19c of the bulky material collection container 4 is composed of a tubular housing part 19a and essentially the box housing part 19b.
  • the separating screen 12 and the slide-in frame 15 as well as an inner guide 20 to be described in more detail below for the separating screen 12 that can be inserted and pulled out again are realized in the box housing part 19b.
  • the housing 19a, 19b and 19c also includes a deflection housing part 19c, in which the deflection or the deflection plate 16 is arranged. While the deflection housing part 19c and the tubular housing 19a are predominantly cylindrical in shape, the box housing part 19b not only has the upper side opening closed with the aid of the sealing flange 18, but also has a U-shaped cross section overall. In fact, the box housing part 19b has an arcuate base and two U-legs running predominantly parallel to one another, which define the upper-side opening with the rectangular sealing flange 18 provided there.
  • the separating sieve 12 provided in the bulky material collection container 4 can be removed from the bulky material collection container 4 and reinserted into it according to the invention through the optionally closable and openable opening as a result of this, depending on your choice.
  • the bulky material collection container 4 is equipped with the inner guide 20 already described above. Based on 2 one can see that the inside guide 20 is U-shaped in front view, so that the slide-in frame 15 is held properly between the two U-legs in the plugged-in state.
  • the slide-in frame 15 and the guide 20 are each formed in a U-shape in front view.
  • the respective U-shape follows the U-shaped shape of the box housing part 19b of the housing 19a, 19b, 19c of the bulky material collection container 4 inside guide 20 plugged in and pulled out of the guide 20 again.
  • the corresponding insertion as well as a pulling process of the separating screen 12 takes place predominantly vertically or in the gravitational direction and corresponding to that in FIG 2 shown double arrow. This means that the process of inserting and pulling the separating screen 12 into the inside guide 20 , indicated by the double arrow, is carried out perpendicularly to the horizontal extent of the bulky material collection container 4 .
  • the separating screen 12 and the optional shut-off flap 13 are arranged on the slide-in frame 15 interacting with the guide 20 on the inside of the bulky material collection container 4 .
  • the slide-in frame 15, the separating screen 12 and finally the shut-off flap 13 are inserted into the guide 20 together with the sealing flange 18 and pulled out of the guide 20 again in one go.
  • the separating sieve 12, the guide 20 and the slide-in frame 15 as well as the shut-off valve 13 are arranged in the box housing part 19b of the otherwise tubular housing 19a, 19b, 19c of the solids collection container 4.
  • the sealing flange can also be round or oval.
  • the separating screen 12 is essentially composed of a plurality of webs which are arranged at the edge of the opening 14 in the slide-in frame 15 and are spaced apart from one another. At in the 2 illustrated inflow of the waste water loaded with solids via the supply line 3, the shut-off flap 13 is closed as shown and rests at the head end on the webs in question and the separating screen 12 forming webs.
  • the waste water flows through the separating screen 12 into the discharge line 5 and the solids or bulky substances are retained by the separating screen 12 during this process.
  • the waste water which has been pre-cleaned in this way then reaches the liquid collection container 8, as has already been described in the introduction.

Claims (7)

  1. Installation de relevage d'eaux usées, avec au moins un contenant de collecte d'encombrants (4) avec au moins un tamis de séparation (12) disposé dans son espace intérieur pour des eaux usées chargées d'encombrants et devant être acheminées à travers celui-ci, et avec au moins une pompe (6) disposée en aval du contenant de collecte d'encombrants (4), qui est reliée au contenant de collecte d'encombrants (4) par l'intermédiaire d'au moins une conduite de liaison (5), dans laquelle
    le tamis de séparation (12) est configuré de manière à pouvoir être retiré au choix du contenant de collecte d'encombrants (4) par une ouverture pouvant être fermée et à pouvoir être réinséré dans celui-ci, et dans laquelle
    le contenant de collecte d'encombrants (4) est configuré avec un guide intérieur (20) pour le tamis de séparation (12) qui peut y être inséré et en être retiré, l'opération d'insertion et l'opération de retrait du tamis de séparation (12) s'effectuant principalement verticalement,
    caractérisée en ce que
    le tamis de séparation (12) est disposé sur un cadre d'insertion (15) interagissant avec le guide (20), et le cadre d'insertion (15) ainsi que le guide (20) sont chacun configurés en forme de U en vue de face, et en ce que
    le cadre d'insertion (15) porte en plus du tamis de séparation (12) un clapet d'arrêt (13).
  2. Installation de relevage d'eaux usées selon la revendication 1, caractérisée en ce que le tamis de séparation (12), le guide (20) et le cadre d'insertion (15) sont disposés dans une partie de corps en forme de caisson (19b) d'un corps (19a, 19b, 19c) par ailleurs tubulaire du contenant de collecte d'encombrants (4).
  3. Installation de relevage d'eaux usées selon la revendication 2, caractérisée en ce que la partie de corps en forme de caisson (19b) est équipée de l'ouverture supérieure pour le tamis de séparation (12).
  4. Installation de relevage d'eaux usées selon la revendication 3, caractérisée en ce que l'ouverture est configurée sous forme rectangulaire et est fermée par une bride de fermeture rectangulaire correspondante (18).
  5. Installation de relevage d'eaux usées selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le cadre d'insertion (15) est raccordé à la bride de fermeture (18).
  6. Installation de relevage d'eaux usées selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le clapet d'arrêt (13) est raccordé au cadre d'insertion (15) par l'intermédiaire d'une articulation (17) .
  7. Installation de relevage d'eaux usées selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le tamis de séparation (12) se compose essentiellement de plusieurs entretoises disposées sur le bord d'une ouverture (14) dans le cadre d'insertion (15) et espacées les unes des autres.
EP19723743.1A 2018-05-09 2019-05-07 Installation de relèvement des eaux usées Active EP3791028B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HRP20231162TT HRP20231162T1 (hr) 2018-05-09 2019-05-07 Kanalizacijsko crpno postrojenje

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018207243.4A DE102018207243A1 (de) 2018-05-09 2018-05-09 Abwasserhebeanlage
PCT/EP2019/061643 WO2019215124A1 (fr) 2018-05-09 2019-05-07 Système de pompage des eaux usées

Publications (3)

Publication Number Publication Date
EP3791028A1 EP3791028A1 (fr) 2021-03-17
EP3791028C0 EP3791028C0 (fr) 2023-08-16
EP3791028B1 true EP3791028B1 (fr) 2023-08-16

Family

ID=66530017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19723743.1A Active EP3791028B1 (fr) 2018-05-09 2019-05-07 Installation de relèvement des eaux usées

Country Status (7)

Country Link
US (1) US20210071406A1 (fr)
EP (1) EP3791028B1 (fr)
CN (1) CN112135947B (fr)
CA (1) CA3098605A1 (fr)
DE (1) DE102018207243A1 (fr)
HR (1) HRP20231162T1 (fr)
WO (1) WO2019215124A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4582605A (en) * 1984-05-07 1986-04-15 R-P & C Valve Inc. In-line pipeline strainer
DE102010038137A1 (de) * 2010-10-12 2012-04-12 Herborner Pumpenfabrik J. H. Hoffmann Gmbh & Co. Kg Umwälzvorrichtung für Bäder

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1161972A (ja) * 1997-08-20 1999-03-05 Kubota Corp 固形異物の分離機能を備えたポンプ場
US6231764B1 (en) * 1999-02-10 2001-05-15 Perfection Sprinkler Co. Septic tank pump arrangement including a self-cleaning rotary strainer
DE59903198D1 (de) * 1999-12-17 2002-11-28 Michael Becker Abwasserhebeanlage
JP4145861B2 (ja) * 2004-11-05 2008-09-03 株式会社酉島製作所 汚水中継ポンプ設備
DE202008011273U1 (de) * 2008-08-25 2008-10-30 Becker Elektromaschinenbau Gmbh Abwasserhebeanlage
FR2946062B1 (fr) * 2009-05-26 2014-06-06 H M T Separateur de matieres, notamment pour poste de relevage d'eaux usees, et poste de relevage en comportant application
EP2489800B1 (fr) * 2011-02-16 2016-08-17 Grundfos Management a/s Installation de relèvement d'eaux usées
EP2573288B1 (fr) * 2011-09-22 2013-10-16 Grundfos Holding A/S Installation de relèvement d'eaux usées
PL2581508T3 (pl) * 2011-10-12 2014-09-30 Strate Tech Fuer Abwasser Gmbh Przepompownia ścieków
DE102013213709A1 (de) * 2013-07-12 2015-01-15 Ksb Aktiengesellschaft Abwasserhebeanlage
DE102013221080A1 (de) * 2013-10-17 2015-04-23 Ksb Aktiengesellschaft Abwasserhebeanlage
DE102014109658A1 (de) * 2014-07-10 2016-01-14 STRATE Technologie für Abwasser GmbH Siebvorrichtung für eine Abwasserhebeanlage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4582605A (en) * 1984-05-07 1986-04-15 R-P & C Valve Inc. In-line pipeline strainer
DE102010038137A1 (de) * 2010-10-12 2012-04-12 Herborner Pumpenfabrik J. H. Hoffmann Gmbh & Co. Kg Umwälzvorrichtung für Bäder

Also Published As

Publication number Publication date
CA3098605A1 (fr) 2019-11-14
DE102018207243A1 (de) 2019-11-14
CN112135947B (zh) 2023-04-14
EP3791028C0 (fr) 2023-08-16
CN112135947A (zh) 2020-12-25
WO2019215124A1 (fr) 2019-11-14
HRP20231162T1 (hr) 2024-01-05
EP3791028A1 (fr) 2021-03-17
US20210071406A1 (en) 2021-03-11

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