EP2329082A1 - Abwasserhebeanlage - Google Patents
AbwasserhebeanlageInfo
- Publication number
- EP2329082A1 EP2329082A1 EP09778067A EP09778067A EP2329082A1 EP 2329082 A1 EP2329082 A1 EP 2329082A1 EP 09778067 A EP09778067 A EP 09778067A EP 09778067 A EP09778067 A EP 09778067A EP 2329082 A1 EP2329082 A1 EP 2329082A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shut
- wastewater
- collecting container
- screening device
- plant according
- 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
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000012216 screening Methods 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002351 wastewater Substances 0.000 claims description 78
- 239000013590 bulk material Substances 0.000 claims description 45
- 238000000926 separation method Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 14
- 239000007787 solid Substances 0.000 description 30
- 239000007788 liquid Substances 0.000 description 25
- 239000000126 substance Substances 0.000 description 14
- 230000000717 retained effect Effects 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010782 bulky waste Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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 wastewater lifting plant, comprising at least one bulk material collecting container with at least one separating sieve arranged therein for wastewater loaded therewith and with at least one pump disposed downstream of the bulk substance collecting container, which has at least one connecting line with shut-off device is connected to the bulk material collecting container or regularly a barrier-loaded container area of the bulk material collecting container.
- a wastewater lifting plant of the embodiment described above is described in EP 1 108 822 B1 or FR 752 942 A. Similar sewage lifting systems - but without a separating screen - are the subject of, for example, EP 0 846 810 A2.
- Wastewater lifting plants are generally used to raise waste water collected at the end of a wastewater storage space to a certain level. This is done in order to be able to treat the wastewater, for example, in a remote and higher-level wastewater treatment plant on.
- wastewater for example, in a remote and higher-level wastewater treatment plant on.
- such pumps can not convince in terms of efficiency ago and require relatively much drive energy, which is particularly disadvantageous today.
- the pump must be designed only for the pre-treated wastewater, thus can be designed much smaller than without upstream bulk storage container. As a result, not only the efficiency is increased, but in particular the
- the invention is based on the technical problem of further developing such a wastewater lifting plant in such a way that even large amounts of waste water with solids therein are controlled.
- a generic sewage lifting plant is characterized in the context of the invention in that the shut-off device associated with the bulk material collecting container and located in the connecting line to the pump is designed as a combined shut-off / screening device. That is, the shut-off device located in the connecting line not only ensures that the wastewater contaminated with blocking substances does not get into the liquid collecting container and thus the associated pump. Rather, the shut-off device according to the invention is flanked with an associated screening device, so that only pre-cleaned wastewater passes into the liquid collecting container through the connecting line via the combined shut-off / screening device.
- the contaminated wastewater with wastewater is not only passed through the separation screen inside the bulk material collection container, but also passes through the shut-off / screening device in said liquid collecting container.
- the feed of prepurified wastewater into said liquid / collecting container is ensured even if, for example, the separating sieve located in the interior of the bulk material collecting container is so heavily occupied by solids that no further filtering action is observed.
- the combined shut-off / screening device is designed as a structural unit of at least one butterfly valve and a sieve.
- the sieve can also act as a stop for the butterfly valve.
- the butterfly valve is a non-return valve, which is closed at the wastewater inlet.
- the sieve is usually composed of one or more webs. These webs are usually placed at the edge of an opening associated with the butterfly valve. This opening is generally found in the bulk material collection container, in its barrier loaded (container) area above the separation screen. In the opening opens the connection line.
- a barrier-free (container) region is realized which has a bypass Derivative with the pump - as well as the connecting line - is connected.
- the procedure can also be reversed, as will be explained in more detail with reference to the description of the figures (FIG. 5).
- the opening below the dividing screen is again arranged in the barrier-contaminated area. Above the dividing screen, on the other hand, there is the non-barrier area.
- shut-off screen device is arranged inside the bulk material collection container, and that regularly in its Sperrstoffbelasted area.
- the above-mentioned and designed as a bypass derivative can be integrated into the bulk material collection container. This applies in addition and optionally also for the connection line. Then the pump can be flanged on the outside of the bulk material collecting container. This results in a particularly compact design with the simultaneous possibility of easy replacement.
- shut-off / screening device and the separating screen retain solids of comparable size, these are adapted to one another from their opening cross-section.
- This opening cross section is also consistent with a passage of the pump.
- the shut-off / screening device and the separating screen ultimately provide the passage of the pump and thus the detail design of the pump and, in particular, its efficiency.
- the shut-off / screening device form a structural unit together with a closure flange and possibly the separating screen.
- the dividing screen is usually but not necessarily arranged obliquely in the bulk material collecting container.
- the dividing screen can be easily fixed to said end flange or side flange of the bulky waste collection container.
- the end flange or side flange may be equipped with Abstützstegen or support webs which a flanschfernes end of the Trennsiebes wear. The flanschnahe end of the Trennsiebes, however, is connected to the said end flange or side flange.
- the butterfly valve is connected via a joint to the bulk material collecting container or the end or side flange.
- the joint may be a hinge or a rubber hinge.
- the butterfly valve is usually covered by a coating, namely a plastic or rubber. As a result, the butterfly valve is protected from corrosion from the outset.
- the butterfly valve has a stop which limits its opening angle in the sewage pumping operation. This ensures that the butterfly valve is immersed in the flow from the pre-treated wastewater, which by means of the pump from the liquid collecting container on the one hand in the non-barrier container area (via the discharge designed as a bypass) and on the other hand the barrier-contaminated container area (via the connecting line) promoted becomes.
- both sieves that is, both the separating sieve and the sieve of the combined shut-off / sieve device, are rinsed in the waste-water conveying process and freed of any solids which may adhere to it.
- a sewage lifting plant which also processes large amounts of wastewater contaminated with wastewater capable. This is not only due to the fact that practically two sieves are used instead of one sieve. On the contrary, separate lines, as it were, are added to these two screens, which in each case connect the bulk material collection container to the pump and ultimately to the liquid collecting container.
- the pre-treated wastewater guided through the separating sieve inside the bulk material collecting container is supplied via the discharge or the bypass of the pump.
- the combined shut-off / screening device according to the invention in conjunction with the connected connecting line, ensures that the wastewater pre-cleaned reaches the pump and, finally, the liquid collecting container. Consequently, two screens with two separate lines are available according to the invention, both communicating with the pump and finally with the liquid collecting tank.
- the separating sieve inside the bulk material collecting container and the sieve of the combined shut-off / sieve device are regularly arranged at an angle, usually even at right angles, to one another.
- the separation screen has a horizontal or nearly horizontal arrangement inside the bulk material collecting container and subdivides the bulk material collecting container into the container area loaded with a barrier material and the container area which is impermeable to packaging.
- the sieve of the shut-off / screening device has a more or less vertical arrangement. This ensures that the sieve of the shut-off / screening device still works reliably and performs its function even if the separating sieve should already be occupied by solids due to gravity and clogged. Because of the more or less vertical arrangement of this sieve solids can not adhere to it by gravity.
- the opening cross-section of the screen of the combined shut-off / screening device can be made variable within certain limits.
- the screen of the shut-off / screening device consists of one or more webs, which are arranged at the edge of the opening in the bulk material collecting container.
- This opening is usually found in the end flange or side flange, in the barrier-contaminated container area. From this opening, the wastewater pre-cleaned through the sieve passes directly into the connecting line connected to the opening and then the pump.
- the webs surrounding the opening at the edge can in principle be arranged at different distances from each other.
- a wedge-like or triangular opening cross-section is set in side view. This can be realized when the shut-off flap is not exactly aligned vertically in its closed and applied to the webs position, but has a predetermined by the webs and certain skew.
- this triangular opening cross section the passage of solids is favored and facilitated, which are designed smaller than the maximum opening cross-section.
- the functionality is further increased in combination with the other aspects.
- a sewage lifting plant which has a particularly functional design.
- the pump used is effectively protected from coarse solids, at least those that are retained by the shut-off / screening device, respectively the separation screen.
- the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment; show it:
- 1 is a wastewater lifting plant according to the invention schematically at the inlet of the wastewater
- FIG. 2 shows the object according to FIG. 1 in the separation of the barrier materials
- Fig. 4 shows the side or end flange for the bulk material collection container in detail
- FIGS. 1 to 4 the sewage lifting plant according to FIGS. 1 to 4 in a modified embodiment.
- a wastewater lifting plant is shown with the essential components, which largely coincides with that which is explained in the already described in the introduction EP 1 108 822 B1.
- the sewage lifting plant shown may be located in a sewer well, not explicitly shown, preferably at its lowest point.
- the wastewater shaft can be made of plastic, stone, steel or similar materials.
- the basic structure of the sewage lifting plant includes a feed distributor 1, via which wastewater in Fig. 1 coming from the left is supplied. This wastewater is loaded with blocking substances or solids F, which are shown primarily in FIG. From the inlet manifold 1 from the wastewater passes through a supply line 2 in a bulk material collection container 3. In the Bulk-collecting container 3, the wastewater is released from the blocking substances F and undergoes a pre-cleaning.
- the prepurified wastewater passes via a discharge line 4 to a pump 5 and from there into a liquid collecting tank 6.
- the pre-cleaned waste water passes through the pump 5.
- the pump in the exemplary embodiment is a centrifugal pump, which provides a corresponding passage or passage cross-section for the pre-treated wastewater.
- a separating sieve 7 is responsible for this, which subdivides the bulky substance collecting container 3 into a region 3a which is contaminated with substances and a region 3b which is impermeable to the substance.
- the solids F are collected in the barrier-loaded region 3a and retained at this point by the separation screen 7.
- a combined shut-off / screening device 8, 9 added.
- the combined shut-off / screening device 8, 9 is assigned to a connecting line 10 or a component thereof.
- the pump 5 and consequently also the liquid collecting container 6 is connected to the area 3b of the bulky substance collecting container 3 which is loaded with the substance.
- the combined shut-off / screening device 8, 9 is designed as a unit consisting of a shut-off valve 8 and a sieve 9.
- the sieve 9 - like the separating sieve 7 - ensures that the solids F are retained in the substance-contaminated area 3 a of the bulky substance collecting container 3.
- the separating screen 7 is arranged substantially horizontally or slightly obliquely with respect to the horizontal.
- the sieve 9 of the shut-off / screening device 8, 9 has a more or less vertical Order, so that the separating sieve 7 and the sieve 9 of the combined shut-off / sieve 8, 9 angle, in particular almost at right angles to each other, are arranged.
- the wastewater contaminated with the solids F not only passes through the separating sieve 7 but also through the shut-off / screening device 8, 9 or its sieve 9 into a region without blocking substances F, namely finally via the pump 5 to the liquid phase. 6.
- the two sieves 7, 9 or the separating sieve 7 and the sieve 9 of the combined shut-off / sieve device 8, 9 are each designed so that they have an approximately equal (maximum) opening cross-section. This opening cross section is adapted to the passage or the passage cross section of the pump 5. This allows you to work with a pump 5 relatively high efficiency with low energy costs.
- the sieve 9 of the combined shut-off / screening device 8, 9 also acts as a stop for the shut-off flap 8.
- the butterfly valve 8 is a non-return valve, which is closed at the waste water inlet (see FIGS. 1 and 2). Despite this closed shut-off valve 8, the waste water naturally passes through the sieve 9 via the connecting line 10 into the pump 5 and finally the liquid collecting container 6, specifically as pre-cleaned waste water.
- the screen 9 is constructed of several webs 9 for this purpose. These webs 9 at least partially surround an opening 11 in a closure flange or side flange 12 of the bulk material collecting container 3 (see FIG. 4). there like the webs 9 may be arranged equidistant from each other, as shown in Fig. 4. Through the opening 11, the pre-cleaned with the aid of the sieve 9 wastewater enters the connecting line 10 and the pump 5 finally in the liquid reservoir 6. Furthermore, a further opening 13 in said end or side flange 12 ensures that the with the help of the separating screen 7 pre-treated wastewater via the discharge line 4 and the bypass 4 finally also flows through the pump 5 into the liquid collecting container 6.
- both sieves 7, 9 hold back the solids F in the barrier-loaded region 3a of the bulk material collecting container 3.
- both sieves 7, 9 have their own connecting lines, on the one hand, the connecting line 10 and on the other hand, the derivative 4, by means of which they are connected to the pump 5 and finally the liquid collecting container 6. This ensures that even with clogging of one of the two screens 7, 9, the other unchanged provides for the pre-cleaning of the wastewater and can also provide.
- shut-off flap 8 in the context of a variant, does not strike vertically but obliquely against the one or more webs 9 of the filter 9 in the closed state.
- the sieve 9 of the combined shut-off / screening device in the context of a variant, does not strike vertically but obliquely against the one or more webs 9 of the filter 9 in the closed state.
- the butterfly valve 8 is connected via a hinge 15 to the bulk material collecting container 3, respectively, the end flange 12.
- this joint 15 may be a conventional mechanical hinge or a rubber hinge, which uses the Gummigelenkmaschine of the butterfly valve 8 a total enclosing rubber sheath 16.
- the joint 15 is designed to be non-rotatable, the butterfly valve 8 is connected with its rubber sheath 16 as it were firmly attached to the end flange 12.
- the pump 5 can be connected directly to the end flange 12.
- the end flange 12 opposite empties into the bulk material collecting tank 3 is still a pressure line D, at the end of which may already be mentioned in the introduction wastewater treatment plant.
- the wastewater lifting plant shown is constructed so that each of the assemblies shown two assemblies are realized, which are in the drawing plane above each other in practice. In this respect, reference may be made to the comments on EP 1 108 822 B1.
- the sewage lifting plant mainly made of stainless steel, which of course also represents only one option.
- the solids F are retained in the barrier-loaded region 3 a. This is ensured by the two sieves 7, 9 or the separating sieve 7 and the sieve 9 of the combined shut-off / sieve device 8, 9.
- pre-purified waste water arrives on the one hand into the impermeable area 3b of the bulky substance collecting container 3 and from there through the
- the pre-treated wastewater is separated and independently through the opening 11 in the connecting line 10, from there again in the pump 5 and finally the liquid Collecting container 6.
- the opening 13 of the discharge line 4 is assigned to the non-barrier region 3b of the bulky substance collecting container 3.
- the butterfly valve 8 of the combined shut-off / screening device 8, 9 is closed and the pump is not actuated.
- the lifting process of the waste water shown in FIG. 3 begins.
- the pump 5 now conveys the prepurified wastewater from the liquid reservoir 6 via the discharge or the bypass 4 on the one hand in the on the other hand via the connecting line 10 and the shut-off / screening device 8, 9 in the fabric-contaminated region 3a of the bulk material collecting container 3.
- the butterfly valve 8 is opened as far as shown in FIG 3 is shown.
- the butterfly valve 8 regularly has an only indicated stop 18, which limits its opening angle in this sewage production process. This ensures that the shut-off flap 8 is freed during conveying of the pre-cleaned wastewater of optionally adhering thereto solids F.
- the solids F retained by the separating sieve 7 are detached therefrom and ultimately conveyed via the pressure line D to the wastewater treatment plant.
- the shut-off flap 17 in the supply line 2 which is likewise designed as a return flap, is closed during operation of the pump 5 and the waste-water conveying process described.
- the variant according to FIG. 5 of the wastewater lifting plant differs from the previously described exemplary embodiments according to FIGS. 1 to 4 only in that the separating sieve 7 is placed above the shut-off / screening device 8, 9.
- the separation screen 7 is in the example of FIGS. 1 to 4 below the shut-off / screening device 8, 9. At the basic operation, however, nothing changes. Because the separation screen 7 and the shut-off / screening device 8, 9 continue to work combinatorial together, in the same way as has already been explained with reference to FIGS. 1 to 4.
- the loaded with solids F wastewater passes not only on the separation screen 7, but also by the Absper ⁇ - / sieve 8, 9 unchanged in a region without substances F, namely in the liquid collecting container 6, on the one hand, the connecting line 10 and other On the other hand, the opening 13 or the bypass 4.
- the opening 13 passes through the pre-cleaned with the help of Absperr- / Sieb driving 8, 9 wastewater into the connecting line 10.
- the prepurified by the separating sieve 7 enters directly into the connecting line 10 and passes in total starting from there into the liquid collecting container 6.
- the pump 5 promotes the pre-treated wastewater from the liquid collecting container 6 on the one hand via the discharge or the bypass 4 and the shut-off / screening device 8, 9 in the contaminated area 3a of the bulk material collecting container 3.
- the promotion of pre-purified wastewater via the connecting line 10 in the impermeable area 3b of the bulk material collection container.
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)
- Filtration Of Liquid (AREA)
- Sewage (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL09778067T PL2329082T3 (pl) | 2008-08-25 | 2009-08-24 | Urządzenie podnoszące ścieki |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008011273U DE202008011273U1 (de) | 2008-08-25 | 2008-08-25 | Abwasserhebeanlage |
PCT/EP2009/006119 WO2010025852A1 (de) | 2008-08-25 | 2009-08-24 | Abwasserhebeanlage |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2329082A1 true EP2329082A1 (de) | 2011-06-08 |
EP2329082B1 EP2329082B1 (de) | 2015-02-25 |
Family
ID=39917858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09778067.0A Active EP2329082B1 (de) | 2008-08-25 | 2009-08-24 | Abwasserhebeanlage |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2329082B1 (de) |
DE (1) | DE202008011273U1 (de) |
DK (1) | DK2329082T3 (de) |
PL (1) | PL2329082T3 (de) |
WO (1) | WO2010025852A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE202010001472U1 (de) | 2009-12-30 | 2010-05-06 | Becker Elektromaschinenbau Gmbh | Abwasserhebeanlage |
CN102345322A (zh) * | 2010-07-30 | 2012-02-08 | 吴海 | 一种排污提升设备 |
DE102013213709A1 (de) | 2013-07-12 | 2015-01-15 | Ksb Aktiengesellschaft | Abwasserhebeanlage |
DE102013221065A1 (de) | 2013-10-17 | 2015-04-23 | Ksb Aktiengesellschaft | Verfahren zum Erstellen einer Abwasserhebeanlage in einem Abwasserschacht sowie zugehörige Abwasserhebeanlage |
DE102015103808A1 (de) | 2015-03-16 | 2016-09-22 | STRATE Technologie für Abwasser GmbH | Filtervorrichtung für eine Förderanlage zur Förderung von sperr- und/oder feststoffhaltigen Flüssigkeiten |
DE102018207243A1 (de) | 2018-05-09 | 2019-11-14 | KSB SE & Co. KGaA | Abwasserhebeanlage |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR752942A (fr) | 1932-07-12 | 1933-10-03 | Pompes Et Compresseurs Baudot | Installation de pompage des eaux chargées d'impuretés |
DE1609166B1 (de) | 1966-07-19 | 1970-07-09 | Wilfried Strate | Abwasserhebewerk |
DE2822877C2 (de) * | 1978-05-26 | 1986-07-31 | Cremer & Kreuseler, 4044 Kaarst | Hebevorrichtung für mit Dickstoffen versetzte Abwässer o.dgl. |
DE29505028U1 (de) * | 1995-03-17 | 1995-07-27 | Börner, Wolf-Dieter, 32457 Porta Westfalica | Abwasserhebeanlage |
DE19650625C1 (de) | 1996-12-06 | 1997-11-13 | Strate Maschf | Abwasserhebeanlage |
ATE226669T1 (de) | 1999-12-17 | 2002-11-15 | Michael Becker | Abwasserhebeanlage |
-
2008
- 2008-08-25 DE DE202008011273U patent/DE202008011273U1/de not_active Expired - Lifetime
-
2009
- 2009-08-24 EP EP09778067.0A patent/EP2329082B1/de active Active
- 2009-08-24 PL PL09778067T patent/PL2329082T3/pl unknown
- 2009-08-24 DK DK09778067.0T patent/DK2329082T3/da active
- 2009-08-24 WO PCT/EP2009/006119 patent/WO2010025852A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010025852A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE202008011273U1 (de) | 2008-10-30 |
PL2329082T3 (pl) | 2015-08-31 |
EP2329082B1 (de) | 2015-02-25 |
WO2010025852A1 (de) | 2010-03-11 |
DK2329082T3 (da) | 2015-05-26 |
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