EP1894638A1 - Procédé destiné à laver une conduite sous pression et dispositif d'évacuation des eaux usées - Google Patents

Procédé destiné à laver une conduite sous pression et dispositif d'évacuation des eaux usées Download PDF

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Publication number
EP1894638A1
EP1894638A1 EP07015430A EP07015430A EP1894638A1 EP 1894638 A1 EP1894638 A1 EP 1894638A1 EP 07015430 A EP07015430 A EP 07015430A EP 07015430 A EP07015430 A EP 07015430A EP 1894638 A1 EP1894638 A1 EP 1894638A1
Authority
EP
European Patent Office
Prior art keywords
time
flushing
pump
water
penstock
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
EP07015430A
Other languages
German (de)
English (en)
Other versions
EP1894638B1 (fr
Inventor
Nobert Gräbitz
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.)
Jung Pumpen GmbH
Original Assignee
Jung Pumpen GmbH
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 Jung Pumpen GmbH filed Critical Jung Pumpen GmbH
Priority to PL07015430T priority Critical patent/PL1894638T3/pl
Publication of EP1894638A1 publication Critical patent/EP1894638A1/fr
Application granted granted Critical
Publication of EP1894638B1 publication Critical patent/EP1894638B1/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
    • E03F9/00—Arrangements or fixed installations methods or devices for cleaning or clearing sewer pipes, e.g. by flushing

Definitions

  • the invention relates to a method according to the preamble of claim 1 and a corresponding wastewater conveyor according to the preamble of claim 10.
  • a corresponding method and a corresponding device are, for example DE 28 50 202 C2 known.
  • Pressure pipelines through which batchwise waste water from a sewage collection shaft is routed via a pump in sewage conveyors must be flushed at regular intervals. This is necessary because the effluents in the penstock during pump downtime contain biological loads that initiate biological processes during prolonged rest in the penstock, resulting in odors due to resulting decomposition and decay processes.
  • the pressure pipe is usually flushed with compressed air at regular intervals, so that if possible no biological residues remain in the penstock.
  • Corresponding periodic rinsing operations are eg in DE 37 16 204 A1 described in which a method for improving the flow of a drain pipe in the sewer system is shown.
  • a strong jet is introduced with rinse water at regular intervals in the sewer.
  • the aim of the purge is therefore, the volume of the penstock at least completely replace once in a given time interval.
  • Object of the present invention is therefore to improve the aforementioned method and said sewage conveyor to the effect that a more economical flushing of the penstock takes place.
  • the pump is connected to the pressure pipe via the in the sewer manhole, during a predetermined time interval possibly through several pumping operations volume compared with the volume of the penstock. If the volume delivered by the pump is greater than or equal to the volume of the penstock, no rinse cycle will be performed. If a given rinse cycle is imminent, this rinse cycle will be performed as specified.
  • the detection of the volume can also be done over the switch-on of the pump. Then, the present during a certain time interval, added on times of the pump are compared with a predetermined time, which substantially corresponds to the time within which the contents of the penstock is replaced by the connected pump once.
  • wastewater conveyed by the pump, still standing in the pressure pipeline, is exchanged as often as necessary, so that disadvantageous biodegradation processes in the pressure pipeline are not made possible.
  • the method is preferably used for wastewater conveying devices, which have a pumping or collecting shaft 1, which is fed via a wastewater inlet 2 with wastewater and optionally via a rainwater inlet 3 with rainwater.
  • a pump is provided, which pumps the collected water in the shaft 1 via a pressure pipe.
  • the apparatus also includes a flushing compressor 4 which flushes the penstock when needed.
  • the flushing takes place with air, but in principle other gaseous or liquid substances are conceivable.
  • the flushing could also be flushed via a water supply line connected to the pressure pipeline.
  • the compressor 4 e.g. a pump and a leading to the pressure pipe solenoid valve can be used, which is opened in the rinse.
  • the device according to the invention has the initiation of the rinsing process via a controller, which decides depending on the amount of wastewater available, whether a rinsing process is required or not.
  • the control method will be described below.
  • the volumes pumped by the pump are detected directly or indirectly via the measurement of other physical quantities.
  • the volumes pumped by the pump are detected directly or indirectly via the measurement of other physical quantities.
  • ⁇ T 0 ⁇ T
  • V ges (.DELTA.T 0 ) and V D that V ges is less than V D , so that in the interval .DELTA.T 0, the volume of the penstock has not been replaced by pumping operations, the controller is a turn-on command to the Druckrohrumblekompressor (DRS) to flush the penstock.
  • DRS Druckrohrumblekompressor
  • the system according to the invention is able to initiate a rinsing process of the pressure pipeline, if this is also necessary.
  • the system is able to respond dynamically to the amount of wastewater produced.
  • the resulting rainwater can be considered in the initiation of rinsing. Reports a rain sensor 3a, for example, to the controller, that in the near future, a sufficient amount of water in the shaft 1 available and thus the possibility will be given to completely replace the line volume V D by pumping operations, the purging operation is interrupted.
  • the purge control according to the present invention has been explained on the basis of a comparison of the volume of the pressure piping V D with the total volume V ges ( ⁇ T 0 ) delivered within a time interval from the pump through the pressure piping.
  • V D volume of the pressure piping
  • V ges total volume of the pressure piping
  • This predetermined time value is determined as a function of the delivery rate of the pump and the volume of the pressure pipeline and corresponds approximately to the time required to deliver a volume of water which corresponds to the volume of the pressure pipeline V D. This indirect measurement of the pumped by the volume volume consuming flow measuring devices are not required, it must only the operating time of the pump are detected.
  • the capacity of the pump is influenced by external factors.
  • the capacity of the pump depends on the instantaneous resistance in the penstock. If the filling level of the penstock is large, the pump pumps against a great resistance. Depending on the degree of filling in the penstock or its resistance, the operating point of the pump changes during the pumping process.
  • the delivery rate of the pump changes during the pumping operation.
  • the predetermined time value which is to be compared with the accumulated switch-on times of the pump and which is obtained from the pump characteristic curve, represents only an approximate measure of the actual volume delivered by the pump in the time interval ⁇ T 0 .
  • a change in the delivery line can be detected by the controller by measuring the current consumption of the pump and from this the variable operating point (the time-varying delivery rate) of the pump is approximated. This increases the accuracy of the quantity determination.

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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Paper (AREA)
  • Treatment Of Sludge (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
EP07015430A 2006-09-02 2007-08-07 Procédé destiné à laver une conduite sous pression et dispositif d'évacuation des eaux usées Active EP1894638B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07015430T PL1894638T3 (pl) 2006-09-02 2007-08-07 Sposób płukania rurociągu tłocznego i urządzenie do tłoczenia ścieków

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006041482A DE102006041482B3 (de) 2006-09-02 2006-09-02 Verfahren zum Spülen einer Druckrohrleitung und Abwasserfördervorrichtung

Publications (2)

Publication Number Publication Date
EP1894638A1 true EP1894638A1 (fr) 2008-03-05
EP1894638B1 EP1894638B1 (fr) 2008-10-22

Family

ID=38754500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07015430A Active EP1894638B1 (fr) 2006-09-02 2007-08-07 Procédé destiné à laver une conduite sous pression et dispositif d'évacuation des eaux usées

Country Status (4)

Country Link
EP (1) EP1894638B1 (fr)
AT (1) ATE411852T1 (fr)
DE (2) DE102006041482B3 (fr)
PL (1) PL1894638T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210628A (zh) * 2021-12-07 2022-03-22 浙江浙能嘉华发电有限公司 一种并列取压管路的智能冲洗装置及其控制方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538449A1 (de) * 1985-10-29 1987-04-30 Buero Hans Nerb Ing Verfahren und vorrichtung zur ueberwachung des reinigungszustandes von lebensmittelleitungen fuer fliessfaehige lebensmittel
EP0244811A2 (fr) * 1986-05-05 1987-11-11 Grünbeck Wasseraufbereitung GmbH Installation pour le nettoyage des tuyauteries
DE8706967U1 (de) * 1986-05-23 1988-05-19 Oskar Vollmar GmbH, 7000 Stuttgart Einrichtung zur Verbesserung des Durchflusses eines Abflußrohres
DE3642611A1 (de) * 1986-12-13 1988-06-23 Hilge Philipp Gmbh Verfahren zur reinigung von leitungssystemen
DE4125315A1 (de) * 1991-07-31 1993-02-04 Oertzen Arndt H Gmbh & Co Vorrichtung zum reinigen von rohrleitungen
US20030131886A1 (en) * 2002-01-14 2003-07-17 Walker Keith E. Automatic wastewater pipe cleaning system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2547485C2 (de) * 1975-10-23 1982-07-22 Electrolux Gmbh, 2000 Hamburg Verfahren zur Ableitung von Wasser
DE2850202A1 (de) * 1978-11-18 1980-06-04 Electrolux Gmbh Verfahren und anlage zum foerdern von abwasser aus einem sammelbehaelter ueber eine erhebung
DE3716204C2 (de) * 1986-05-23 1994-03-24 Vollmar Oskar Gmbh Anlage zur Verbesserung des Durchflusses von Abwasser durch ein Abflußrohr einer Düker-Anordnung
DE10301426A1 (de) * 2002-05-12 2004-03-25 Bgu-Umweltschutzanlagen Gmbh Verfahren zur Erzeugung eines Spülschwalls in einem Kanalnetz

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538449A1 (de) * 1985-10-29 1987-04-30 Buero Hans Nerb Ing Verfahren und vorrichtung zur ueberwachung des reinigungszustandes von lebensmittelleitungen fuer fliessfaehige lebensmittel
EP0244811A2 (fr) * 1986-05-05 1987-11-11 Grünbeck Wasseraufbereitung GmbH Installation pour le nettoyage des tuyauteries
DE8706967U1 (de) * 1986-05-23 1988-05-19 Oskar Vollmar GmbH, 7000 Stuttgart Einrichtung zur Verbesserung des Durchflusses eines Abflußrohres
DE3642611A1 (de) * 1986-12-13 1988-06-23 Hilge Philipp Gmbh Verfahren zur reinigung von leitungssystemen
DE4125315A1 (de) * 1991-07-31 1993-02-04 Oertzen Arndt H Gmbh & Co Vorrichtung zum reinigen von rohrleitungen
US20030131886A1 (en) * 2002-01-14 2003-07-17 Walker Keith E. Automatic wastewater pipe cleaning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114210628A (zh) * 2021-12-07 2022-03-22 浙江浙能嘉华发电有限公司 一种并列取压管路的智能冲洗装置及其控制方法
CN114210628B (zh) * 2021-12-07 2023-07-25 浙江浙能嘉华发电有限公司 一种并列取压管路的智能冲洗装置的控制方法

Also Published As

Publication number Publication date
DE102006041482B3 (de) 2008-01-03
PL1894638T3 (pl) 2009-04-30
DE502007000189D1 (de) 2008-12-04
EP1894638B1 (fr) 2008-10-22
ATE411852T1 (de) 2008-11-15

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