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EP3058145B1 - Installation de relevement d'eaux usees - Google Patents

Installation de relevement d'eaux usees Download PDF

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Publication number
EP3058145B1
EP3058145B1 EP14783612.6A EP14783612A EP3058145B1 EP 3058145 B1 EP3058145 B1 EP 3058145B1 EP 14783612 A EP14783612 A EP 14783612A EP 3058145 B1 EP3058145 B1 EP 3058145B1
Authority
EP
European Patent Office
Prior art keywords
liquid collecting
collecting tank
wastewater
shaft
collecting container
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
EP14783612.6A
Other languages
German (de)
English (en)
Other versions
EP3058145A1 (fr
Inventor
Michael Becker
Enrico MÜLLER
Thomas Pensler
Maik ULMSCHNEIDER
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 EP3058145A1 publication Critical patent/EP3058145A1/fr
Application granted granted Critical
Publication of EP3058145B1 publication Critical patent/EP3058145B1/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
    • E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins

Definitions

  • the invention relates to a wastewater lifting plant, with at least one bulky material collecting container for wastewater guided therewith and loaded with bulky substances, furthermore with a liquid collecting container for the wastewater freed from bulking substances and pre-cleaned in the bulky material collecting container, and with a sewage shaft for receiving at least the bulky material Collection container and the liquid collection container, wherein the liquid collection container is designed as an integral part of the sewage shaft and for this purpose the liquid collection container and the sewage shaft have at least one common material-uniform wall surface, that is, the liquid collection container uses the common wall surface with the sewage shaft and doesn't have its own wall in this area.
  • wastewater lifting plants are typically used to lift wastewater collected at the end of a wastewater storage space to a certain level. After that, further treatment is usually carried out in a wastewater treatment plant. In the past and in the state of the art, wastewater lifting is often carried out with large pumps, which, however, cannot convince in terms of efficiency.
  • the generic teaching according to the EP 1 108 822 A1 a wastewater lifting plant in which raw solids or solids are separated from the pumped medium, usually the wastewater, before it enters an inserted pump.
  • a barrier material collection container upstream of the pump ensures the separation described.
  • the bulky materials are ideally retained in the bulky material collecting container, so that only pre-cleaned waste water is transferred to a liquid collecting container downstream of the bulky material collecting container.
  • the in practice Sewage lifting plants used are typically received and placed in a concrete sewage shaft.
  • the liquid collecting container and the sewage shaft receiving the sewage lifting plant are made of plastic.
  • the bottom of the manhole also forms the bottom of the liquid collecting container.
  • the generic type is similar DE 295 05 028 U1 in front.
  • a middle wall in the sewage shaft and part of the shaft wall form the liquid collecting container.
  • the shaft wall and the middle wall or all other walls are made of plastic in the sense of a constructional composite. This should save costs and installation space.
  • the liquid collecting container and the waste water shaft are made of plastic, the bottom of the shaft simultaneously forming the bottom of the liquid collecting container. This limits the installation location of the liquid collection container in the sewage shaft. In addition, no additional installation space is available on the floor. However, the choice of material (plastic) is more important. Plastic sewers can be prefabricated industrially. This results in cost advantages (cf. DE 295 05 028 U1 ). However, such structures Often the static and dynamic loads at the place of installation are not always or not always permanent. The invention as a whole aims to remedy this.
  • the invention is based on the technical problem of further developing such a sewage lifting plant in such a way that permanent operation is ensured and at the same time cost advantages in production are observed.
  • a liquid collecting container is first of all realized, which defines a closed space in the sewage shaft, that is to say has a floor, side walls and a cover on the head side. Since the liquid collecting container in question only partially covers the floor area in the sewage shaft or the sewage shaft, an installation space or a free space for installations is available on the remaining bottom surface of the waste water shaft not occupied by the liquid collecting container. This installation space or free space can be used, for example, for the attachment of one or more pumps there.
  • the pump in question is the bulk container assigned and serves for emptying the liquid collection container via the bulky material collection container in question.
  • the pump in question (possibly in conjunction with other elements of the sewage lifting unit) can be attached and placed dry, as it were, in the space mentioned above, which is available in the sewage shaft because the liquid collecting container only partially covers the bottom surface of the sewage shaft, i.e. not Completely.
  • the available installation space or free space can also be used for attaching and placing a distributor housing or a distributor, which leads and directs the waste water contaminated with the barrier substances to the barrier substance collecting container. Coarse solid components can be separated from the waste water in the distributor housing.
  • the distributor housing in the above-mentioned free space, so that installation and maintenance as well as accessibility are facilitated.
  • the free space is not only realized, as it were, next to the liquid collecting container on the bottom surface of the sewage shaft that is not covered by the liquid collecting container. Instead, the free space can also extend further above the top cover of the liquid collecting container in the sewage shaft. As a result, a particularly compact construction and in particular a reduced shaft diameter are observed.
  • the invention further provides that the cover at the head end is designed to be removable. This simplifies any maintenance work. Due to the different materials Designing the cover or the wall surface independent of the sewage shaft in comparison to the sewage shaft makes it possible to design the sewage shaft solidly from, for example, concrete, whereas the wall surfaces of the liquid collecting container that are independent of the sewage shaft can typically be made of plastic or metal. This mix of materials combines a significant stability of the sewage shaft and the liquid collecting container with special cost advantages.
  • the liquid collection container can be equipped with an inspection opening, which can be removed or opened for maintenance purposes or for checking the liquid collection container. In this way, the liquid collection container can be checked and cleaned if necessary.
  • the sewage shaft and / or the liquid container preferably have a coating.
  • the invention recommends that the liquid collecting container is designed to be tight and in particular gas-tight, in order to retain any fermentation gases that may arise. In order that an overpressure does not arise in the liquid collecting container in this context, the invention further recommends to equip the liquid collecting container with a vent.
  • an additional sump pump ensures that the sewage shaft can be emptied with its help.
  • This sump pump is regularly placed in the above-mentioned free space or installation space on the bottom surface of the sewage shaft that is not covered by the liquid collecting container.
  • the liquid collection container be equipped with at least one inclined surface to reduce deposits becomes.
  • these suspended matter are now guided along the inclined surface to reduce deposits down to the deepest part of the container, from where they can be sucked in by the pump.
  • This deepest container typically coincides with a suction area captured by the pump, so that any deposits can be conveyed directly into the pump inlet, here sucked in by the pump and finally discharged via the bulk material collecting container. As a result, any maintenance and cleaning work on the liquid collection container is reduced to a minimum.
  • the inventive design of the liquid collection container as a closed space with only partial coverage of the floor area in the sewage shaft also opens up the possibility of the bulky material collection container as well as the optional pump and possibly the distributor or the distributor housing (in each case) inside, partly inside or outside the liquid collection container to be arranged in the sewage shaft.
  • the aforementioned components will typically be placed outside the liquid collection container in order to keep them easily accessible.
  • Such a compact structure is, however, already provided according to the invention by the basic construction, because the liquid collecting container and the sewage shaft have at least one common wall surface. This common wall surface can be a side wall surface and / or a floor surface.
  • there is one Common ceiling surface of the liquid collecting container and sewage shaft is not regularly realized, although not excluded within the scope of the invention.
  • the common wall surface of the liquid collecting container and the sewage shaft are constructed according to the invention using the same material. This means that in this case the liquid collection container uses the common wall surface with the sewage shaft and does not have its own wall in this area. This achieves special cost advantages because the wall of the liquid collecting container in question is dispensable and consequently does not have to be manufactured or assembled.
  • the common wall surface of the liquid collecting container and the sewage shaft can also consist of two interconnected materials.
  • the wall of the liquid collecting container on the one hand and the wall of the sewage shaft on the other hand are each designed separately from one another, but are connected to one another.
  • the wall of the sewage shaft can also be used to support the wall of the liquid collecting container and stabilize it.
  • the common wall surface of the liquid collecting container and that of the sewage shaft act as a lost shape.
  • the wall of the liquid collecting container which also represents the wall of the sewage shaft, is typically used as a mold in the production of the liquid collecting container or the corresponding wall is left blank.
  • the liquid collection container is a plastic container that is produced in an injection mold.
  • the common wall surface with the sewage shaft acts as a lost form. Said common wall surface therefore does not necessarily have to be taken into account in the production.
  • the liquid collection container and the sewage shaft be made of concrete, metal, plastic and combinations.
  • a different material is used in the area of the wall surface of the liquid collection container, which is independent of the sewage shaft, than that of the waste water shaft.
  • the liquid collecting container can, for example, be implemented and implemented in the inside of the sewage shaft (made of concrete) in such a way that an additional wall (made of concrete) is drawn into the sewage shaft and closed with a cover on the top made of plastic or metal, for example.
  • the sewage lifting plant according to the invention is particularly compact and inexpensive, and offers advantages in maintenance and cleaning. This is where the main advantages can be seen.
  • a sewage lifting plant 1 is shown, which is received in a sewage shaft 8.
  • the basic construction of the wastewater lifting plant 1 has a bulky material collecting container 2 or according to the exemplary embodiment in FIG Fig. 1 via two bulky material collecting containers 2 and a liquid collecting container 3.
  • at least one pump 4 is also realized or, in the exemplary embodiment, there are two pumps 4.
  • the distributor 5 is connected to an inlet 6 for the waste water.
  • the wastewater fed through the distributor 5 and contaminated with bulky substances is pre-cleaned.
  • 2 sieves or the like are provided in the bulky container in question.
  • the distributor 5 may also be equipped with a type of sieve, in the present case a rake for coarse solid components in the wastewater, but this is not mandatory.
  • the wastewater, which has been freed from the barrier substances and pre-cleaned, then arrives at the barrier substance collecting container 2 in the liquid collecting container 3 for the pre-cleaned waste water.
  • the pre-cleaned waste water flows against the direction of conveyance through the respective pump 4 and then into the liquid collecting container 3.
  • a non-return valve not shown, is closed in or on the bulky substance collecting container 2, so that any inflow is blocked by waste water from the distributor 5.
  • the pumps 4 run in mutual operation in order to enable an unimpeded inflow to the liquid collecting container 3 in this context.
  • the liquid collecting container 3 is designed as an integral part of a sewage shaft 8.
  • the wastewater shaft 8 serves to hold the bulky material collecting container or the two bulky material collecting container 2 and also the liquid collecting container 3.
  • the already described distributor 5 and the two pumps 4 are also accommodated inside the wastewater shaft 8.
  • the overall design is such that the liquid collecting container 3 and the sewage shaft 8 have at least one common wall surface 9, 10.
  • the common wall surface 9, 10 of the sewage shaft 8 on the one hand and the liquid collecting container 3 on the other is a bottom surface 9 and a side wall surface 10.
  • the bottom surface 9 and the side wall surface 10 are like the entire sewage shaft 8 - made of concrete.
  • the design is such that the liquid collection container 3 defines an enclosed space in the sewage shaft 8.
  • the liquid collecting container 3 only partially covers the floor surface 9 in question in the sewage shaft 8, as in particular the sectional representations in FIGS 2 to 4 make clear.
  • the bottom surface 9 in the sewage shaft 8 is divided, so to speak, with a partial bottom surface 9a that is not covered by the liquid collecting container 3 and a further partial bottom surface 9b that belongs to the liquid collecting container 3 or is covered by the latter.
  • the partial floor area 9a free or not covered by the collecting container 3 defines a free space or installation space.
  • the two pumps 4 are arranged on the bottom of the sewage shaft 8 in this free space or installation space above the partial floor surface 9a.
  • the two bulky material collecting containers 2 and also the distributor 5 are located in the relevant free space, which also widens above a removable cover 11 of the liquid collecting container 3.
  • the liquid collecting container 3 not only has the aforementioned common wall surface 9, 10 with the sewage shaft 8, but is also equipped with independent wall surfaces 11 and 11, 12 from the sewage shaft 8.
  • the side wall 12 there is directly defined in the sewage shaft 8 and may, for example, like the sewage shaft 8, be made of concrete with a uniform material, in order to provide a particularly durable and pressure-resistant construction put.
  • the wall surface 11 or cover 11 is independent of the sewage shaft 8 and made of metal, that is to say from different materials.
  • the sewage shaft 8 may function as a kind of lost form. That is, to define the liquid collecting container 3 inside the sewage shaft 8, it is only necessary to manufacture the removable cover 11 in connection with the side walls 12 outside and to use the common wall surfaces 9, 10 of the sewage shaft 8.
  • the liquid collection container 3 is designed as it were open and uses the common wall surface 9, 10 as a lost shape or to complete it, so that a closed design of the liquid collection container 3 is achieved overall.
  • the common wall surfaces 9, 10 of the liquid collecting container 3 and the sewage shaft 8 are made of the same material, as is the case in the variant according to FIGS Fig. 2 and 3rd is shown.
  • the wall surface 9, 10 of the sewage shaft 8 (made of concrete) also functions as a wall surface 9, 10 for the liquid collecting container 3, the remaining wall surfaces 11, 12 of which can be made, for example, of plastic or metal or combinations.
  • the sewage shaft 8 functions as a support or support for the separately existing wall surfaces 9, 10 of the liquid collection container 3.
  • the removable cover 11 of the liquid collecting container 3 can be equipped with an inspection opening 13.
  • the liquid collecting container 3 can be checked and, if necessary, cleaned via this inspection opening 13.
  • Another option is in the Fig. 1 In addition to the inspection opening 13, a vent 14 for the liquid collecting container 3 is shown. With the help of this vent 14 it is avoided that any overpressure occurs in the liquid collecting container 3.
  • the liquid collecting container 3 is designed to be leak-proof and in particular gas-tight, so that any digester gases that arise inside must be removed.
  • the vent 14 is used for this.
  • FIG. 1 Another pump 4 'can be seen, which in the present case is designed as a sump pump and is used to pump any liquid collected in the sewage shaft 8 during a flooding and to remove it from the sewage shaft 8.
  • this coating 15 is found in the area of the wall surfaces or walls 9, 10, 12, which in this illustration are each made of concrete. So that no liquid can escape from the liquid collecting container 3 through the concrete, the coating 15 in question is provided, which can be designed, for example, as a plastic coating.
  • an inclined surface 16 as part of the liquid collecting container 3. With the help of this inclined surface 16 it is prevented that inside the liquid collecting container Can form deposits.
  • the inclined surface 16 in question is arranged in such a way that the deposits are conveyed along the inclined surface 16 into an inlet 17 for the pump 4, from where they are properly sucked in by the pump 4 and ultimately discharged via the pressure line 7.
  • the embodiment of the Fig. 4 yet another variant in such a way that a sole of the bulky substance collecting container 2 and a pressure line 18 of the pump 4 are arranged at approximately the same height.
  • the pressure line 18 is an intermediate piece between the pump 4 and the bulky material collecting container 2.
  • the roughly identical arrangement of the pressure line 18 of the pump 4 and the bulky material collecting container 2 leads overall to that in the bulky material Solids container 2 retained solids can be removed particularly effectively from a separating sieve usually provided there when the pump 4 sucks the pre-cleaned waste water out of the liquid collecting container 3 and conveys it to the pressure line 7 together with the solids retained there via the bulky substance collecting container 2.
  • This variant after the Fig. 4 is also characterized in that a particularly low overall height is observed and the construction of the sewage lifting plant according to the invention is not only compact, but is also connected to a shallow depth or shaft height of the sewage shaft 8.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (7)

  1. Station de relevage d'eau usée (1), avec au moins un contenant de collecte de matières grossières (2) pour l'eau usée acheminée au travers de celle-ci et chargée de matières grossières, en outre avec un contenant de collecte de liquide (3) pour l'eau usée débarrassée de matières grossières et pré-épurée dans le contenant de collecte de matières grossières (2), et avec un conduit d'eau usée (8) destiné à recevoir au moins le contenant de collecte de matières grossières (2) et le contenant de collecte de liquide (3),
    - le contenant de collecte de liquide (3) étant configuré sous la forme d'un constituant quasiment fixe du conduit d'eau usée (8) et pour cela
    - le contenant de collecte de liquide (3) et le conduit d'eau usée (8) comprenant au moins une surface de paroi (9, 10) commune en un même matériau, c'est-à-dire que le contenant de collecte de liquide (3) utilise la surface de paroi commune (9, 10) avec le conduit d'eau usée (8) et ne dispose pas d'une paroi propre dans cette zone,
    - le réservoir de collecte de liquide (3) définissant un espace fermé avec une surface de fond (9) recouverte seulement en partie dans le conduit d'eau usée (8), la surface de fond dans le conduit d'eau usée (8) étant configurée sous forme quasiment divisée en deux avec une surface de fond partielle (9a) non recouverte pas le contenant de collecte de liquide (3) et définissant ainsi un espace de montage, et une autre surface de fond partielle (9b) appartenant au contenant de collecte de liquide (3) ou recouverte par celui-ci,
    caractérisée en ce que
    le contenant de collecte de liquide (3) est équipé d'au moins une surface de paroi (11, 12) indépendante du conduit d'eau usée (8) et en un matériau différent, sous la forme d'un recouvrement (11) démontable côté tête pour le contenant de collecte de liquide (3), ainsi que sous la forme d'une ou de plusieurs parois latérales (12).
  2. Station de relevage d'eau usée (1) selon la revendication 1, caractérisée en ce que le contenant de collecte de liquide (3) est équipé d'une ouverture de révision (13).
  3. Station de relevage d'eau usée (1) selon l'une quelconque des revendications 1 ou 2, caractérisée en ce que le conduit d'eau usée (8) et/ou le contenant de collecte de liquide (3) comprennent un revêtement (15).
  4. Station de relevage d'eau usée (1) selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le contenant de collecte de liquide (3) est configuré sous forme étanche aux gaz.
  5. Station de relevage d'eau usée (1) selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le contenant de collecte de liquide (3) comprend une aération (14).
  6. Station de relevage d'eau usée (1) selon l'une quelconque des revendications 1 à 5, caractérisée en ce que le contenant de collecte de liquide (3) est équipé d'au moins une surface inclinée (16) pour la réduction de dépôts.
  7. Station de relevage d'eau usée (1) selon l'une quelconque des revendications 1 à 6, caractérisée en ce que le contenant de collecte de matières grossières (2), ainsi qu'une pompe optionnelle (4) et éventuellement un distributeur (5) sont agencés à l'intérieur, partiellement à l'intérieur ou à l'extérieur du contenant de collecte de liquide (3) dans le conduit d'eau usée (8).
EP14783612.6A 2013-10-17 2014-10-10 Installation de relevement d'eaux usees Active EP3058145B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310221080 DE102013221080A1 (de) 2013-10-17 2013-10-17 Abwasserhebeanlage
PCT/EP2014/071728 WO2015055520A1 (fr) 2013-10-17 2014-10-10 Station de relevage d'eaux usées

Publications (2)

Publication Number Publication Date
EP3058145A1 EP3058145A1 (fr) 2016-08-24
EP3058145B1 true EP3058145B1 (fr) 2020-07-15

Family

ID=51690383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14783612.6A Active EP3058145B1 (fr) 2013-10-17 2014-10-10 Installation de relevement d'eaux usees

Country Status (8)

Country Link
US (1) US9995033B2 (fr)
EP (1) EP3058145B1 (fr)
CN (1) CN105849340A (fr)
AU (1) AU2014336431B2 (fr)
CA (1) CA2926873C (fr)
DE (1) DE102013221080A1 (fr)
RU (1) RU2656405C2 (fr)
WO (1) WO2015055520A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2974059A1 (fr) * 2017-07-21 2019-01-21 Muddy River Technologies Inc. Methode et systeme de gestion de la graisse d'egout
DE102018207243A1 (de) * 2018-05-09 2019-11-14 KSB SE & Co. KGaA Abwasserhebeanlage
CN217924036U (zh) * 2022-05-23 2022-11-29 上海在田环境科技有限公司 一种抗堵型负压污水收集站

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US3375788A (en) * 1966-03-21 1968-04-02 Forslund Pump And Machinery Co Sewage lift station
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US5013457A (en) * 1987-05-15 1991-05-07 Uddo-Mims International Pressurized backwash filter
US5433854A (en) * 1994-03-16 1995-07-18 Dickerson; J. Rodney Method for preventing erosion in waste water lift stations and treatment facilities
US5543064A (en) * 1994-09-07 1996-08-06 Clearline Systems, Inc. Sewage lift station
DE29505028U1 (de) 1995-03-17 1995-07-27 Börner, Wolf-Dieter, 32457 Porta Westfalica Abwasserhebeanlage
RU2102563C1 (ru) * 1996-03-19 1998-01-20 Акционерное общество "Спецстрой" Канализационная насосная станция
EP1108822B1 (fr) 1999-12-17 2002-10-23 Michael Becker Installation de levage des eaux usées
RU2188285C1 (ru) * 2001-01-03 2002-08-27 Долженко Лидия Алексеевна Канализационная насосная станция
JP3983641B2 (ja) * 2002-10-04 2007-09-26 株式会社酉島製作所 汚水中継ポンプ設備及びその運転方法
US8561633B2 (en) * 2010-11-08 2013-10-22 Daniel M. Early Steel-reinforced HDPE rain harvesting system
CN202416528U (zh) * 2011-12-06 2012-09-05 刘建华 低洼地带防内涝排水装置
PL223286B1 (pl) * 2012-02-09 2016-10-31 Mirosław Szuster Tłocznia ścieków
CN203097362U (zh) * 2013-03-22 2013-07-31 成都源创环保工程有限公司 模块式预制泵站
DE102013221065A1 (de) * 2013-10-17 2015-04-23 Ksb Aktiengesellschaft Verfahren zum Erstellen einer Abwasserhebeanlage in einem Abwasserschacht sowie zugehörige Abwasserhebeanlage

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
CA2926873C (fr) 2019-11-12
CA2926873A1 (fr) 2015-04-23
EP3058145A1 (fr) 2016-08-24
WO2015055520A1 (fr) 2015-04-23
RU2016119063A (ru) 2017-11-21
DE102013221080A1 (de) 2015-04-23
US9995033B2 (en) 2018-06-12
US20160237672A1 (en) 2016-08-18
RU2656405C2 (ru) 2018-06-05
RU2016119063A3 (fr) 2018-03-26
CN105849340A (zh) 2016-08-10
AU2014336431B2 (en) 2017-12-21

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