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EP3058145A1 - Station de relevage d'eaux usées - Google Patents

Station de relevage d'eaux usées

Info

Publication number
EP3058145A1
EP3058145A1 EP14783612.6A EP14783612A EP3058145A1 EP 3058145 A1 EP3058145 A1 EP 3058145A1 EP 14783612 A EP14783612 A EP 14783612A EP 3058145 A1 EP3058145 A1 EP 3058145A1
Authority
EP
European Patent Office
Prior art keywords
wastewater
collecting container
liquid collecting
shaft
liquid
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.)
Granted
Application number
EP14783612.6A
Other languages
German (de)
English (en)
Other versions
EP3058145B1 (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 AG
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 AG filed Critical KSB AG
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

Links

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 bulk material collecting container for wastewater contaminated with blocking substances and further comprising a liquid collecting container for the wastewater freed of blocking substances and pre-cleaned in the bulk material collecting container, and having a wastewater shaft for receiving at least the blocking substance And the liquid collecting container, wherein the liquid collecting container and the sewage shaft have at least one common wall surface.
  • sewage lifting plants are typically used to raise wastewater collected at the end of a wastewater storage space to a certain level. Thereafter, then usually a further treatment in a wastewater treatment plant. In the past and in the state of the art, sewage lifting is often done with large pumps, which, however, can not convince in terms of efficiency.
  • the generic teaching according to EP 1 108 822 A1 describes a wastewater lifting plant in which raw solids or solids are separated from the pumped medium, usually the wastewater, before it enters a pump used.
  • a wastewater lifting plant in which raw solids or solids are separated from the pumped medium, usually the wastewater, before it enters a pump used.
  • the barrier materials are ideally retained, so that only pre-cleaned wastewater is transferred into a liquid collecting tank downstream of the bulk material collecting container.
  • the sewage lifting units used in practice are typically taken up and placed in a concrete wastewater shaft.
  • the liquid collecting container and the wastewater collecting shaft receiving the sewage lifting device are made of plastic. The bottom of the shaft simultaneously forms the bottom of the liquid collecting container.
  • a middle wall in the wastewater shaft and part of the shaft wall form the liquid collecting tank.
  • the shaft wall and the middle wall or all other walls are made of plastic in the sense of a construction network. This should save costs and installation space.
  • the liquid collecting container and the wastewater shaft are made of plastic, wherein the shaft bottom simultaneously forms the bottom of the liquid collecting container.
  • the installation of the liquid collecting container is limited in the sewer manhole.
  • no additional installation space is available on the floor. More important, however, is the choice of material (plastic).
  • plastic manholes can be industrially prefabricated. This results in cost advantages (see DE 295 05 028 U1).
  • the invention aims to provide a total remedy.
  • the invention is based on the technical problem of further developing such a wastewater lifting plant in such a way that a permanent operation is ensured and, at the same time, cost advantages in the production are observed.
  • a generic sewage lifting plant is within the scope of the invention characterized in that the liquid collecting container defines a closed space with only partially covered bottom surface in the sewer manhole and is equipped with at least one independent of the sewer manhole and material-different wall surface.
  • a liquid collecting container which defines a closed space in the sewage shaft, that is to say has bottom, side walls and a head-side cover. Since the liquid collecting container in question only partially covers the bottom surface in the wastewater shaft or the wastewater shaft, an installation space or a free space for installations is available on the remaining bottom surface of the wastewater shaft not occupied by the liquid collecting container. This installation space or free space can be used for example for the local attachment of one or more pumps.
  • the pump in question is assigned to the bulk material collecting container and serves for emptying the liquid collecting container via the bulk substance collecting container in question.
  • the pump in question (possibly in conjunction with other elements of the sewage lifting plant) can be installed and placed, as it were dry, in the already mentioned free space which is available in the wastewater shaft because the liquid collecting tank covers the bottom surface of the wastewater shaft only partially, So 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 wastewater loaded with the barrier substances to the bulk material collecting container. In the distributor housing coarse solids can be separated from the wastewater.
  • the possibility to accommodate the distributor housing in the above-mentioned space so that the installation and maintenance and accessibility are facilitated.
  • the bulk material collection container it should be emphasized that the free space is not only next to the liquid collecting container on the Container uncovered bottom surface of the sewer manhole is realized. But the free space can also extend above the top cover of the liquid collecting tank in the sewer manhole. As a result, a particularly compact construction and in particular a reduced shaft diameter is observed.
  • the invention further provides that the questionable head-end cover is optionally designed to be removable. This will facilitate any maintenance work again. Due to the material-different design of the cover or independent of the sewer manhole wall compared to the sewer manhole, it is possible to design the sewer well from concrete, for example, whereas the independent of the sewer manhole wall surfaces of the liquid collecting tank can be typically made of plastic or metal. This material mix combines significant stability of the sewer manhole and the liquid receiver with special cost advantages.
  • the liquid collecting container can be equipped with an inspection opening, which can be removed or opened for maintenance purposes or to control the liquid collecting container. In this way, the liquid collecting container can be checked and cleaned as needed.
  • the invention recommends that the liquid collecting container is dense and in particular gas-tight, in order to withhold any resulting fermentation gases. In order not to create an overpressure in the liquid collecting container in this connection, the invention further recommends equipping the liquid collecting container with a vent.
  • an additional sump pump ensures that the wastewater shaft can be emptied with its help.
  • This sump pump is placed regularly in the already mentioned space or installation space on the not covered by the liquid collecting tank bottom surface of the sewer manhole.
  • the liquid collecting container is equipped with at least one inclined surface to reduce deposits.
  • actually lent are found in the pre-treated wastewater, which is collected and collected in the liquid collecting container, still suspended matter, which can lead to deposits inside the liquid collecting container.
  • these suspended solids are now guided along the inclined surface for the purpose of reducing deposits down to the lowest point of the container, from where they can be sucked in by the pump.
  • this deepest part of the tank typically coincides with a suction area covered by the pump so that any deposits can be conveyed directly into the pump inlet, in this case sucked in by the pump and finally discharged via the bulk material collecting container.
  • any maintenance and cleaning of the liquid collecting container are reduced to a minimum.
  • the inventive design of the liquid collecting container as a closed space with only partial coverage of the bottom surface in the sewer manhole also opens up the possibility of the bulk material collection container and the optional pump and optionally the distributor or the distributor housing (respectively) within, partially inside or outside to arrange the liquid collecting container in the sewer manhole.
  • the aforementioned components will typically be placed outside of the liquid receiver to keep them easily accessible.
  • Such a compact construction according to the invention because the liquid collecting container and the sewer manhole have at least one common wall surface.
  • This common wall surface may be a side wall surface and / or a bottom surface.
  • a common ceiling surface of liquid reservoir and sewer manure is regularly not realized, although not excluded within the scope of the invention.
  • the common wall surface of the liquid-collecting container and the sewer manhole are formed according to an advantageous embodiment of the same material. That is, the liquid receiver in this case uses the common wall surface with the sewer well and does not have its own wall in this area. This results in special cost advantages is sufficient because the wall in question of the liquid collecting container is dispensable and therefore 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 each designed separately, but interconnected.
  • the wall of the sewer manhole in addition to the support of the wall of the liquid collecting container can be used and stabilize it.
  • the common wall surface of the liquid collecting container and that of the sewage shaft function as a lost form.
  • the wall of the liquid collecting container which at the same time represents the wall of the wastewater shaft, is typically used as a mold in the production of the liquid collecting container or the corresponding wall is recessed.
  • the liquid reservoir may be a plastic container that is produced in an injection mold.
  • the common wall surface with the sewer manhole acts in this case as a lost form. The said common wall surface therefore does not necessarily have to be taken into account in the production.
  • the liquid receiver and manhole are made of concrete, metal, plastic and combinations.
  • a different material is used in each case than in the sewage shaft in the area of the wall surface of the liquid collecting tank independent of the sewage shaft.
  • the liquid collecting container for example, so implemented inside the sewer manhole (made of concrete) and realized that in the sewer manhole an additional wall (made of concrete) fed and sealed with a head cover made of, for example, plastic or metal.
  • the sewage lifting plant according to the invention is particularly compact and inexpensive and opens up advantages in maintenance and cleaning.
  • the main benefits are the main benefits.
  • FIG. 1 shows an overall view of the wastewater lifting plant according to the invention, partly in section
  • FIG. 2 shows a section through the object according to FIG. 1, FIG.
  • FIG. 3 likewise shows a section through a wastewater lifting plant according to the invention in a variant
  • FIG. 4 shows a further modification with an indicated liquid collecting tank.
  • a wastewater lifting plant 1 is shown, which is received in a sewer manhole 8.
  • the wastewater lifting plant 1 has in its basic structure a bulk material collecting tank 2 or, according to the exemplary embodiment in FIG. 1, two bulk material collecting tanks 2 and a liquid collecting tank 3.
  • at least one pump 4 is realized or find in the embodiment of two pumps. 4
  • a distributor or a distributor housing 5 with the help of which incoming wastewater and polluted wastewater to the two bulk material collection containers 2 is passed.
  • the distributor 5 is connected to an inlet 6 for the wastewater.
  • the wastewater supplied via the distributor 5 and polluted with blocking substances is pre-cleaned.
  • sieves or the like are provided in the substance collection container 2 in question.
  • the manifold 5 may be equipped with a kind of screen, in this case a rake for coarse solids in the wastewater, which is not mandatory.
  • the freed from the barrier materials and pre-cleaned wastewater then passes to the bulk material collecting container 2 in the liquid collecting container 3 for the pre-cleaned wastewater.
  • the pre-treated wastewater flows counter to the conveying direction through the respective pump 4 and then into the liquid collecting container 3.
  • a non-illustrated check valve is closed in or on the bulk material collecting container 2, so that any inflow of waste water from the distributor. 5 Is blocked.
  • the pumps 4 are in the present case in mutual operation in order to Connection to allow an unhindered inlet to the liquid collecting container 3.
  • the liquid reservoir 3 is formed as a quasi-integral part of a sewer manhole 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 on the one hand the sewage shaft 8 and the other hand, the liquid collecting container 3 is in the embodiments shown to a bottom surface 9 and a side wall surface 1 0.
  • the bottom surface 9 and the side wall surface 10 are - like the entire sewer manhole 8 - made of concrete.
  • the design is such that the liquid collecting container 3 defines a closed 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 illustrated in particular by the sectional views in FIGS. 2 to 4.
  • the bottom surface 9 in the sewer shaft 8 is divided into two, as it were, with a partial bottom surface 9a which is not covered by the liquid collecting container 3 and a further partial bottom surface 9b which belongs to the liquid collecting container 3 or is covered by it.
  • the free from the collecting container 3 or not Covered partial bottom surface 9a defines a free space or installation space.
  • the two pumps 4 are arranged on the sole of the sewer manhole 8 in the exemplary embodiment.
  • the liquid collecting tank 3 not only has the already mentioned common wall surface 9, 10 with the sewage shaft 8, but is also equipped with independent wall surfaces 1 1 and 1 1, 12 from the sewage shaft 8.
  • the local side wall 12th directly defined in the sewage shaft 8 and may for example be made of concrete as the wastewater shaft 8 of the same material as a whole, to provide a particularly durable and pressure-resistant construction available.
  • the wall surface 1 1 or cover 1 1 independent of the sewer manhole 8 and made of metal, so different material.
  • the wall surfaces 1 1, 12 independent of the sewage shaft 8 represent components of the liquid collecting container 3 inserted into the sewage shaft 8 and made of plastic.
  • the sewage shaft 8 act as lost form. That is, for the definition of the liquid collecting container 3 inside the sewage shaft 8, it is only necessary to manufacture the removable cover 1 1 in connection with the side walls 1 2 outside and to use the common wall surfaces 9, 10 of the sewage shaft 8.
  • the liquid collecting container 3 is in this case designed as it were open and uses the common wall surface 9, 10 as a lost form or to its completion, so that a total of a closed design of the liquid collecting container 3 is realized.
  • the common wall surface 9, 10 of the liquid collecting container 3 and the waste water shaft 8 may be formed of the same material, as shown in the variant of FIGS. 2 and 3.
  • the wall surface 9, 1 0 of the sewer manhole 8 (made of concrete) at the same time acts as a wall surface 9, 10 for the Liquid collecting container 3, the remaining wall surfaces 1 1, 12 are made for example of plastic or metal or combinations or can be.
  • the common wall surface 9, 10 of the sewage shaft 8 and that of the liquid collecting container 3 are made of two interconnected materials.
  • the sewer manhole 8 acts as a support or Abstützung, for the separately present wall surfaces 9, 10 of the liquid collecting container 3.
  • the optionally removable head-side cover 1 1 of the liquid collecting container 3 can be equipped with a revision opening 13.
  • the liquid collecting container 3 can be controlled and clean if necessary.
  • a vent 14 for the liquid collecting container 3 is shown in FIG. 1 next to the access opening 13. With the help of this vent 14 is avoided that sets in the liquid-collecting container 3, any overpressure.
  • the liquid collecting container 3 is designed to be dense and, in particular, gas-tight, so that any fermentation gases formed in the interior must be removed.
  • the vent 14 is used.
  • Fig. 1 can be seen yet another pump 4 ', which is designed here as a sump pump and serves to pump any liquid collected in the sewer manhole 8 in a flooding and remove from the sewer manhole 8.
  • pump 4 ' which is designed here as a sump pump and serves to pump any liquid collected in the sewer manhole 8 in a flooding and remove from the sewer manhole 8.
  • the possibility is also shown of equipping the liquid collecting container 3 with an inner coating 15.
  • This coating 15 is present in the area of the wall surfaces or walls 9, 10, 12, which are each made of concrete in this embodiment. 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 aid of this inclined surface 16, deposits are prevented from forming inside the liquid collecting container can.
  • the inclined surface 16 in question is arranged so that the deposits along the inclined surface 16 are conveyed to an inlet 17 for the pump 4, from where they are sucked properly by the pump 4 and finally discharged via the pressure line 7.
  • FIG. 4 shows a further variant such that a sole of the bulk material collecting container 2 and a pressure line 18 of the pump 4 are arranged approximately at the same height.
  • the pressure line 18 is an intermediate piece between the pump 4 and the bulk material collecting container 2.
  • the approximately equidistant arrangement of the pressure line 18 of the pump 4 and the bulk material collecting container 2 results in the total Sump 2 retained solids particularly effectively be replaced by a separating screen usually provided there, when the pump 4 sucks the pre-cleaned wastewater from the liquid reservoir 3 and promotes the bulk material collecting container 2 together with the retained there solids in the pressure line 7.
  • This variant of FIG. 4 is still characterized in that a particularly low height is observed and the structure of the sewage lifting plant according to the invention not only compact, but also with a small depth or shaft height of the sewer shaft 8 is connected.

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)

Abstract

La présente invention concerne une station de relevage d'eaux usées (1) qui est équipée d'au moins un réservoir de collecte (3) de matières grossières les eaux usées chargées de matières grossières qui la traversent. Elle est en outre équipée d'un réservoir de collecte (3) de liquide pour les eaux usées exemptes de matières grossières et épurées au préalable dans le réservoir de collecte (2) de matières grossières, et d'un conduit d'eaux usées (8) destiné à recevoir le réservoir de collecte (2) de matières grossières et le réservoir de collecte (3) de liquide. Le réservoir de collecte (3) de liquide et le conduit d'eaux usées (8) comportent au moins une surface de paroi (9, 10) commune. Selon l'invention, le réservoir de collecte (3) de liquide définit un espace fermé possédant une surface de fond (9) recouverte seulement en partie dans le conduit d'eaux usées (8). Pour cela, il est équipé d'au moins une surface de paroi (11, 12) indépendante du conduit d'eaux usées (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 true EP3058145A1 (fr) 2016-08-24
EP3058145B1 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

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375788A (en) * 1966-03-21 1968-04-02 Forslund Pump And Machinery Co Sewage lift station
US3730884A (en) * 1971-04-02 1973-05-01 B Burns Method and apparatus for conveying sewage
US4594153A (en) * 1985-02-21 1986-06-10 Smith & Loveless, Inc. Sewage pumping station
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

Also Published As

Publication number Publication date
EP3058145B1 (fr) 2020-07-15
CA2926873C (fr) 2019-11-12
CA2926873A1 (fr) 2015-04-23
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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