EP1559841A2 - Abwassersammelschacht - Google Patents
Abwassersammelschacht Download PDFInfo
- Publication number
- EP1559841A2 EP1559841A2 EP04028908A EP04028908A EP1559841A2 EP 1559841 A2 EP1559841 A2 EP 1559841A2 EP 04028908 A EP04028908 A EP 04028908A EP 04028908 A EP04028908 A EP 04028908A EP 1559841 A2 EP1559841 A2 EP 1559841A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- time
- time duration
- measurement
- wastewater
- pressure
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
Definitions
- the invention relates to a sewer manhole with explosion hazard or non-explosive atmosphere above the sewage level, being in the sewage at least a sewage pump is immersed, wherein the Sewer pump depending on an upper level of the sewage level and after a delivery time can be switched off again.
- Such a sewer manhole is from the state of Technique known.
- sewage collection shafts or their Operation must follow guidelines, according to which It should be avoided that mechanically moving parts with the air-gas mixture of a potentially explosive atmosphere come in contact. So it must be in the removal of sewage be avoided that moving parts of the sewage pump due to excessive sinking of the wastewater level with come into contact with the potentially explosive atmosphere. This means that the sewage pump is not too late may be turned off.
- the optimal delivery time is et al depending on the back pressure against which the sewage pump removes the wastewater. Is a low back pressure on, the delivery time is shorter, at higher back pressures increases the funding period. Also an inflow of Waste water when the pump is activated influences the optimal delivery time.
- the procedure described is disadvantageous for several reasons.
- the present invention has the object underlying, a sewer manhole as known presupposed way of creating with the reliable and optimal delivery time can be determined with little effort is.
- a Pump control a timing device and a pressure sensing device is provided, wherein with the timing device a period of time between the detection of two corresponding to different heights of the wastewater level, predetermined pressure values can be measured, depending on the duration of the measured time of the Pump control can be specified.
- the wastewater collection shaft according to the invention allows the determination an optimal conveying time without manual intervention.
- the amount of time that is necessary to lower the sewage level by a certain amount determined and on the basis of this period determines the funding period.
- the beginning and the end of the mentioned period correspond to the acquisition of predetermined pressure values, the different heights of the sewage level correspond.
- the delivery time may be during installation and / or maintenance be predeterminable of the sewage collection shaft.
- This funding period can for the further operation of the sewage collection shaft to be maintained without changes.
- the funding period correspond to a multiple of the measured time duration.
- the delivery time in dependence changeable from a respective last measured time duration is. This allows it without manual intervention the funding period corresponding to a changing, at the Sewage pump adjoining applied back pressure. In this case, successive measurements can also each be considered proportionally.
- the pressure sensing device may include a ram bell and / or have a back pressure hose. This has the Advantage that no electrical components with the explosion hazard Atmosphere come into contact.
- the pressure sensing device may include a dynamic pressure sensor, a differential pressure sensor and / or a pressure switch, esp. Have a pressure switch with hysteresis.
- These sensors or switches can the Stauffyglokke and / or downstream of the dynamic pressure hose, wherein the switches or sensors in a non-hazardous Environment should be arranged.
- the pressure sensing device or the switches or sensors can be electrical or via radio with the pump control communicate.
- the use of a radio link has the advantage that the pump control on one further distant location of the sewer manhole is.
- the invention further relates to a method for operating a Wastewater collection tray.
- a wastewater collecting shaft 2 is provided, which is arranged below a cover 2a. Within the sewage collection shaft 2 wastewater 4 can be collected which forms a sewage level 6. The room 8 above the sewage level 6 is at risk of explosion.
- the waste water 4 is the sewage collection shaft 2 by a Supply line 10 supplied.
- a sewage pump 12 a In the collected wastewater 4 dives at least partially a sewage pump 12 a. These has a volute 14, which always in the waste water. 4 should be immersed.
- the pump 12 is over a Flange 16 in an anchoring area 18 in the ground 20th attached.
- the pump 12 is followed by a drain line 22, wherein vary the voltage applied in the drain line back pressure can.
- a dynamic pressure bell 24 is arranged, the via a dynamic pressure hose 26 with a switching / sensor device 28 communicates.
- the device 28 communicates with a pump control 30.
- one of the units 28 according to FIG. 1 is corresponding Unit 28a with a hysteresis pressure switch shown.
- the unit 28a has a housing 28b having an interior 28c, in which two mutually adjacent, gas-tight diaphragm 28d and 28e are provided.
- the membranes 28d and 28e define a membrane space 28f. Through the membrane 28e is a downstream switch 28g operable, the 28h from the housing of a adjacent pump control 30a is isolated.
- the interior 28c of the unit 28a is above a housing neck 28i with the illustrated back pressure hose 26a in communication with the lower end the ram bell 24a is connected.
- the via the back pressure hose 26 a the interior 28c is supplied by a laterally arranged Channel 28j are derived.
- FIG. 2 Only indicated in FIG. 2 is a second unit 28k, which corresponds in structure to the unit 28a. With such a second unit may have another, not shown back pressure bell of the sewage 6th be detected. Such a second device 28k may be off Be provided for security reasons, a redundant arrangement to accomplish.
- the unit 28 according to FIG Differential pressure sensor 281 formed.
- This has a housing 28m, filled with a potting compound 28n is.
- the housing 28m has a first housing socket 28o on, via a back pressure hose 26b with a back pressure bell 24b communicates.
- the housing 28m has a second housing port 28p, at the simple ambient pressure is applied.
- a differential pressure sensor element 28q is provided which is suitable is, a differential pressure between the at the housing neck 28p and the housing stub 28o applied pressure to capture.
- the differential pressure sensor element 28q is above a downstream board 28r and electrical lines 28s with a pump control 30b in conjunction.
- the entire funding period will be determined.
- the pump 12 be turned off when reaching a water level "III” should, the measured time duration with a factor Multiplied by "2". Should be a "IV" designated Sewer 6 should be achieved, the measured Time multiplied by a multiplier of "3" become.
- the switching on of the pump 12 also upon reaching the height "I" of the sewage level 6 initiated become.
- the highest level, from the sewage pump 12 is turned on, the highest height of the heights, the given pressure values correspond.
- the sewage collection shaft 2 can be put into operation without a manual Intervention by an installer is required. Especially however, it is advantageous if the delivery time can be changed is. This will be explained below by way of example be explained.
- the measured time for example 5 sec.
- This measured time can be increased by one predetermined multiplier, for example multiplied by "3" 15 seconds in total receive.
- the pump is 12th switched off. If the sewage level 6 then again rises to the height "I", the pump 12 is turned on and the time to reach the height "II” can again be measured. Should the duration of this second Measurement equal to the time duration of the first measurement is no change in the funding period required.
- this second measurement of delivery time can directly be based on. For example, at the second Measure the duration 4 sec., So that at a multiplier of "3" a funding period of 12 seconds determined can be. This ensures that the Back pressure bell 24 completely exposed from wastewater 4 can be.
- the measured time duration of the second measurement is longer than the first measurement, so the Duration of the second measurement not readily the delivery time be used without the risk of that is pumped off too long, resulting in an exposure of the Spiral housing 14 of the sewage pump 12 could lead.
- the second, longer Time period initially considered only proportionately.
- a measured first time of 5 seconds and a measured second period of 10 sec. would be a new one Initially only a period of 7.5 sec become. These 7.5 seconds will be used to determine the Funding time with the o.g. Multiplier multiplied.
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)
- Control Of Positive-Displacement Pumps (AREA)
- Centrifugal Separators (AREA)
- Sewage (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
Description
- Figur 1 -
- eine schematische Seitenansicht eines Abwassersammelschachts,
- Figur 2 -
- einen Ausschnitt der Seitenansicht gemäß Figur 1, wobei die Druckerfassungsvorrichtung einen Druckschalter aufweist,
- Figur 3 -
- eine der Figur 2 entsprechende Ansicht, wobei die Druckerfassungsvorrichtung einen Differenzdrucksensor aufweist.
Claims (14)
- Abwassersammelschacht (2), insb. mit explosionsgefährdeter Atmosphäre (8) über dem Abwasserspiegel (6), wobei in das Abwasser (4) mindestens eine Abwasserförderpumpe (12) eingetaucht ist, wobei die Abwasserförderpumpe (12) in Abhängigkeit von einem oberen Niveau (0) des Abwasserspiegels (6) einschaltbar und nach einer Förderzeit wieder ausschaltbar ist,
dadurch gekennzeichnet, daß eine Pumpensteuerung (30), eine Zeitmessvorrichtung und eine Druckerfassungsvorrichtung (24; 26; 28) vorgesehen ist, wobei mit der Zeitmessvorrichtung eine Zeitdauer zwischen der Erfassung von zwei unterschiedlichen Höhen (I; II) des Abwasserspiegels (6) entsprechenden, vorgegebenen Druckwerten messbar ist, wobei in Abhängigkeit der gemessenen Zeitdauer die Förderzeit von der Pumpensteuerung (30) vorgebbar ist. - Abwassersammelschacht nach Anspruch 1,
dadurch gekennzeichnet, daß die Förderzeit bei einer Installation und/oder Wartung des Abwassersammelschachts (2) vorgebbar ist. - Abwassersammelschacht nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Förderzeit gleich einem Vielfachen der gemessenen Zeitdauer ist. - Abwassersammelschacht nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Förderzeit in Abhängigkeit von einer jeweils letzten gemessenen Zeitdauer veränderbar ist. - Abwassersammelschacht nach Anspruch 4,
dadurch gekennzeichnet, daß für die Veränderung der Förderzeit die jeweils letzte gemessene Zeitdauer lediglich teilweise berücksichtigt wird. - Abwassersammelschacht nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Druckerfassungsvorrichtung (24; 26; 28) eine Staudruckglocke (24) und/oder einen Staudruckschlauch (26) aufweist. - Abwassersammelschacht nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Druckerfassungsvorrichtung (24; 26; 28) einen Staudrucksensor aufweist. - Abwassersammelschacht nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Druckerfassungsvorrichtung (24; 26; 28) einen Differenzdrucksensor (281) aufweist. - Abwassersammelschacht nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Druckerfassungsvorrichtung (24; 26; 28) einen Druckschalter(28a), insb. einen Druckschalter mit Hysterese, aufweist. - Abwassersammelschacht nach mindestens einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Druckerfassungsvorrichtung (24; 26; 28) elektrisch und/oder über Funk mit der Pumpensteuerung (30) kommuniziert. - Verfahren zur Installation und/oder zum Betrieb eines Abwassersammelschachts (2) mit explosionsgefährdeter Atmosphäre (8) über dem Abwasserspiegel (6), insb. eines Abwassersammelschachts (2) nach mindestens einem der vorhergehenden Ansprüche, wobei in das Abwasser (4) eine Abwasser-förderpumpe (12) eingetaucht ist, wobei die Abwasserförderpumpe (12) in Abhängigkeit von einem oberen Niveau (0) des Abwasserspiegels (6) einschaltbar und nach einer Förderzeit wieder ausschaltbar ist, gekennzeichnet durch die folgenden Schritte:es werden zwei Druckwerte vorgegeben, die unterschiedlichen Höhen (I; II) eines Abwasserspiegels (6) entsprechen,die Abwasserförderpumpe wird bei Erreichen des oberen Niveaus (0) des Abwasserspiegels (6) eingeschaltet,es wird die Zeitdauer zwischen der Erfassung der den unterschiedlichen Höhen (I; II) des Abwasserspiegels (6) entsprechenden, vorgegebenen Druckwerten gemessen,die Förderzeit wird in Abhängigkeit der gemessenen Zeit-dauer vorgegeben.
- Verfahren nach Anspruch 9,
dadurch gekennzeichnet, daß das obere Niveau (0) des Abwasserspiegels (6) gleich der oberen Höhe (I) der Höhen (I; II) des Abwasserspiegels (6) ist, die einem vorgegebenen Druckwert entsprechen. - Verfahren nach Anspruch 9 oder 10,
dadurch gekennzeichnet, daß die Förderzeit auf Basis von aufeinanderfolgenden Zeitdauermessungen nach folgender Vorschrift angepasst wird:ist die Zeitdauer einer zweiten Messung gleich der Zeitdauer einer ersten Messung, wird die Förderzeit nicht verändert,ist die Zeitdauer einer zweiten Messung kürzer als die Zeitdauer einer ersten Messung, wird die Förderzeit in Abhängigkeit der Zeitdauer der zweiten Messung angepasst,ist die Zeitdauer einer zweiten Messung länger als die Zeitdauer einer ersten Messung, wird die Förderzeit in Abhängigkeit der Zeitdauern der ersten und der zweiten Messung angepasst. - Verfahren nach Anspruch 11,
dadurch gekennzeichnet, daß die Zeitdauern der ersten und der zweiten Messung entsprechend einem vorgebbaren, insbesondere veränderbaren Anteilsverhältnis berücksichtigt werden.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL04028908T PL1559841T3 (pl) | 2004-01-29 | 2004-12-07 | Sposób instalacji i/lub eksploatacji szybu zbiorczej studzienki ściekowej |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004004401A DE102004004401B8 (de) | 2004-01-29 | 2004-01-29 | Verfahren zur Installation und/oder zum Betrieb eines Abwassersammelschachts |
| DE102004004401 | 2004-01-29 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1559841A2 true EP1559841A2 (de) | 2005-08-03 |
| EP1559841A3 EP1559841A3 (de) | 2007-01-24 |
| EP1559841B1 EP1559841B1 (de) | 2008-01-23 |
Family
ID=34638795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04028908A Expired - Lifetime EP1559841B1 (de) | 2004-01-29 | 2004-12-07 | Verfahren zur Installation und/oder zum Betrieb eines Abwassersammelschachts |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1559841B1 (de) |
| AT (1) | ATE384834T1 (de) |
| DE (2) | DE102004004401B8 (de) |
| PL (1) | PL1559841T3 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007008692A1 (de) | 2007-02-20 | 2008-08-21 | Ksb Aktiengesellschaft | Niveauabhängige Steuerung von Pumpen |
| CN102220783A (zh) * | 2011-04-14 | 2011-10-19 | 中国市政工程中南设计研究总院 | 城市合流污水溢流和雨水径流污染控制的装置、方法和用途 |
| EP2489798A1 (de) * | 2011-02-16 | 2012-08-22 | Grundfos Management a/s | Abwasserhebeanlage |
| EP2746477A1 (de) * | 2012-12-20 | 2014-06-25 | Grundfos Holding A/S | Verfahren für den Betrieb einer Abwasserpumpstation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2913970A1 (de) * | 1979-04-04 | 1980-10-23 | Hubert Combe | Steuerung fuer eine abwasser- und faekalienhebeanlage |
| DE3110735C2 (de) * | 1981-03-16 | 1984-03-22 | Hubert 1000 Berlin Combé | Trockenlaufschutzvorrichtung für eine Abwasserpumpe |
| DE3311980A1 (de) * | 1983-03-30 | 1984-10-04 | Hubert 1000 Berlin Combé | Abwasserhebeanlage |
| FI80933C (fi) * | 1988-06-08 | 1990-08-10 | Sarlin Ab Oy E | Oevervakningsfoerfarande foer avlopps- pumpstation samt oevervakningsanordning foer foerverkligande av foerfarandet. |
| EP0511383B1 (de) * | 1990-01-16 | 1997-03-19 | Kabushiki Kaisha Komatsu Seisakusho | Automatisches vibrationsverfahren eines hydraulikbaggers |
| ES2087701T3 (es) * | 1992-07-21 | 1996-07-16 | Carlo Lencioni | Dispositivo para controlar bombas elevadoras de una instalacion de desague o similar. |
| FR2696424B1 (fr) * | 1992-10-05 | 1994-12-23 | Europ Laitiere | Dispositif d'emballage notamment pour produit alimentaire. |
| DE19609427C2 (de) * | 1996-03-11 | 1999-04-01 | Hermann Schmelzer | Kanalüberlaufsicherung für Schachtbauwerke |
-
2004
- 2004-01-29 DE DE102004004401A patent/DE102004004401B8/de not_active Expired - Fee Related
- 2004-12-07 AT AT04028908T patent/ATE384834T1/de active
- 2004-12-07 PL PL04028908T patent/PL1559841T3/pl unknown
- 2004-12-07 DE DE502004006037T patent/DE502004006037D1/de not_active Expired - Lifetime
- 2004-12-07 EP EP04028908A patent/EP1559841B1/de not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007008692A1 (de) | 2007-02-20 | 2008-08-21 | Ksb Aktiengesellschaft | Niveauabhängige Steuerung von Pumpen |
| EP1961963A2 (de) | 2007-02-20 | 2008-08-27 | KSB Aktiengesellschaft | Niveauabhängige Steuerung von Pumpen |
| EP1961963A3 (de) * | 2007-02-20 | 2010-07-14 | KSB Aktiengesellschaft | Niveauabhängige Steuerung von Pumpen |
| EP2489798A1 (de) * | 2011-02-16 | 2012-08-22 | Grundfos Management a/s | Abwasserhebeanlage |
| CN102644319A (zh) * | 2011-02-16 | 2012-08-22 | 格伦德福斯管理联合股份公司 | 废水提升装置 |
| CN102220783A (zh) * | 2011-04-14 | 2011-10-19 | 中国市政工程中南设计研究总院 | 城市合流污水溢流和雨水径流污染控制的装置、方法和用途 |
| EP2746477A1 (de) * | 2012-12-20 | 2014-06-25 | Grundfos Holding A/S | Verfahren für den Betrieb einer Abwasserpumpstation |
| CN103882938A (zh) * | 2012-12-20 | 2014-06-25 | 格兰富控股联合股份公司 | 用于操作污水泵站的方法 |
| US9719241B2 (en) | 2012-12-20 | 2017-08-01 | Grundfos Holding A/S | Method for operating a wastewater pumping station |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1559841A3 (de) | 2007-01-24 |
| DE102004004401B8 (de) | 2008-11-06 |
| ATE384834T1 (de) | 2008-02-15 |
| EP1559841B1 (de) | 2008-01-23 |
| PL1559841T3 (pl) | 2008-06-30 |
| DE102004004401A1 (de) | 2005-08-25 |
| DE102004004401B4 (de) | 2006-02-02 |
| DE502004006037D1 (de) | 2008-03-13 |
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