EP0326867A2 - Procédé de nettoyage et de revêtement des tuyauteries destinées transport de l'eau - Google Patents

Procédé de nettoyage et de revêtement des tuyauteries destinées transport de l'eau Download PDF

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Publication number
EP0326867A2
EP0326867A2 EP89100917A EP89100917A EP0326867A2 EP 0326867 A2 EP0326867 A2 EP 0326867A2 EP 89100917 A EP89100917 A EP 89100917A EP 89100917 A EP89100917 A EP 89100917A EP 0326867 A2 EP0326867 A2 EP 0326867A2
Authority
EP
European Patent Office
Prior art keywords
cleaning
water
pipelines
compressed air
pipes
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
EP89100917A
Other languages
German (de)
English (en)
Other versions
EP0326867B2 (fr
EP0326867A3 (en
EP0326867B1 (fr
Inventor
Karl Müller
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6346671&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0326867(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT89100917T priority Critical patent/ATE82709T1/de
Publication of EP0326867A2 publication Critical patent/EP0326867A2/fr
Publication of EP0326867A3 publication Critical patent/EP0326867A3/de
Application granted granted Critical
Publication of EP0326867B1 publication Critical patent/EP0326867B1/fr
Publication of EP0326867B2 publication Critical patent/EP0326867B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/30—Devices to facilitate removing of obstructions in waste-pipes or sinks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0326—Using pulsations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid

Definitions

  • the invention relates to a method for cleaning and coating pipelines intended for water guidance.
  • the chemical composition of the drinking water flowing in metallic pipes and devices has an influence on the corrosion and / or the formation of stones on the pipe walls.
  • Very soft to soft water attacks metallic materials almost unhindered without any noticeable formation of protective or cover layers.
  • the metal dissolution usually takes place over the entire water-wetted surface, with corrosion products being carried along by the water.
  • the object on which the present invention is based is to propose a method for cleaning and coating pipelines intended for water management, with which it is possible to renovate existing pipelines, in particular smaller dimensions, so that these pipelines can then continue to be used.
  • the pipelines are closed at individual points with ventilation plugs before coating the pipelines in accordance with method step d) and, after filling, vented at these points by means of the liquid plastic.
  • the liquid plastic filled in according to method step d) remains in the line under about 6 atm pressure for about an hour.
  • the excess plastic material which does not adhere to the walls of the pipelines is blown out from all high points by means of compressed air.
  • the existing water pipe is installed in the wall. It consists of various materials, in particular galvanized threaded pipe according to DIN.
  • the cause or reason for the renovation is usually the constant pitting and rust in the water described above.
  • the water is turned off and the pipes to be renovated are emptied.
  • the existing sanitary fittings and devices are dismantled and the openings created are bridged.
  • the method according to the invention is intended for cold water pipes, hot water pipes and heating pipes. It is possible to renovate both copper piping and galvanized steel piping. Dismantling and relocating the pipelines in apartment blocks would involve a great deal of effort and cost. In addition, various handicrafts (tilers, painters, bricklayers, wallpaperers) would still have to be carried out.
  • the various cleaning steps serve to achieve a surface that is as metallic as possible, ie to remove all incrustations, rust spots and lime residues.
  • a rough cleaning using water and compressed air takes place first in accordance with method step a).
  • a compressed air / water mixture is pressed into the pipes.
  • flexible drain hoses are attached that lead into a collecting container. This process continues until the first coarse dirt, impurities, rust particles, etc. drain off.
  • an acid corresponding to the pipe material, for example hydrochloric acid
  • an acid is now preferably filled in under pressure at the same point at which the compressed air / water mixture was previously supplied and remains in the pipe network for a correspondingly long time depending on the degree of contamination.
  • Lime and rust must also be dissolved here (procedural document b).
  • This acid can also be filled in hot, for example. It has also proven to be advantageous to use an inhibitor in this acid which is intended to prevent the pipes from rusting immediately after the acid has been discharged.
  • the pipe is coated with plastic.
EP89100917A 1988-02-05 1989-01-20 Procédé de nettoyage et de revêtement des tuyauteries destinées transport de l'eau Expired - Lifetime EP0326867B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89100917T ATE82709T1 (de) 1988-02-05 1989-01-20 Verfahren zur reinigung und beschichtung von zur wasserfuehrung bestimmten rohrleitungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3803410A DE3803410A1 (de) 1988-02-05 1988-02-05 Verfahren zur reinigung und beschichtung von zur wasserfuehrung bestimmten rohrleitungen
DE3803410 1988-02-05

Publications (4)

Publication Number Publication Date
EP0326867A2 true EP0326867A2 (fr) 1989-08-09
EP0326867A3 EP0326867A3 (en) 1990-11-07
EP0326867B1 EP0326867B1 (fr) 1992-11-25
EP0326867B2 EP0326867B2 (fr) 1997-02-26

Family

ID=6346671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100917A Expired - Lifetime EP0326867B2 (fr) 1988-02-05 1989-01-20 Procédé de nettoyage et de revêtement des tuyauteries destinées transport de l'eau

Country Status (7)

Country Link
US (1) US5045352A (fr)
EP (1) EP0326867B2 (fr)
JP (1) JPH01231972A (fr)
AT (1) ATE82709T1 (fr)
DE (2) DE3803410A1 (fr)
ES (1) ES2036724T5 (fr)
GR (2) GR3007021T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634229A1 (fr) * 1993-07-12 1995-01-18 Promotec AG Procédé, assemblage et dispositif pour le nettoyage et revêtement interne d'une tuyauterie
WO1996031298A1 (fr) * 1995-04-07 1996-10-10 Firma Aqua-Protect Gesellschaft Für Wasserleitungssanierung Gmbh & Co. Kg Procede de nettoyage et de revetement de conduites ou systemes de conduites destinees notamment a la distribution d'eau

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5499659A (en) * 1990-07-03 1996-03-19 Naf; Werner Process for the sealing and internal repair of systems of laid conduits
US5212000A (en) * 1991-03-11 1993-05-18 The Dow Chemical Company Method for providing an inner-skinned functionalized coating on the lumen-defining surface of a hollow tube
US5527395A (en) * 1991-05-16 1996-06-18 H.E.R.C. Products Incorporated Method of cleaning and maintaining potable water distribution pipe systems with a heated cleaning solution
US5360488A (en) * 1993-03-23 1994-11-01 H.E.R.C. Products Incorporated Method of cleaning and maintaining water distribution pipe systems
US5885364A (en) * 1991-05-16 1999-03-23 H.E.R.C. Products Incorporated Method of cleaning and maintaining potable water distribution pipe systems
US5380564A (en) * 1992-04-28 1995-01-10 Progressive Blasting Systems, Inc. High pressure water jet method of blasting low density metallic surfaces
AU1731195A (en) * 1994-01-27 1995-08-15 Engelhard Corporation Process for recovering catalyst supports
US5529637A (en) * 1994-02-17 1996-06-25 Hydrochem Industrial Services, Inc. Formic-carboxylic acid mixtures for removing iron oxide sclae from steel surfaces
US5699817A (en) * 1995-05-11 1997-12-23 Graco Inc Turbulent flow conduit cleaning apparatus
US5915395A (en) * 1996-05-29 1999-06-29 St Environmental Services Method for the cleaning of water mains
DE19701010A1 (de) * 1997-01-14 1998-07-16 Josef Stoeckl Verfahren zur Sanierung der Innenwände festverlegter Rohrleitungen
US5800629A (en) * 1997-03-06 1998-09-01 H.E.R.C. Products Incorporated Pipe system cleaning and in-line treatment of spent cleaning solution
US6454871B1 (en) * 1997-06-23 2002-09-24 Princeton Trade & Technology, Inc. Method of cleaning passageways using a mixed phase flow of gas and a liquid
US6945257B2 (en) * 1997-06-23 2005-09-20 Princeton Trade & Technology Method for cleaning hollow tubing and fibers
US20040007255A1 (en) * 1997-06-20 2004-01-15 Labib Mohamed Emam Apparatus and method for cleaning pipelines, tubing and membranes using two-phase flow
US6027572A (en) * 1997-06-23 2000-02-22 Princeton Trade And Technologt, Inc Cleaning method for removing biofilm and debris from lines and tubing
DE19745642C5 (de) * 1997-10-15 2004-12-02 Michael Schaaf Verfahren zur Sanierung von zur Wasserführung bestimmten inkrustierten Rohrleitungen durch Reinigung und Beschichtung
US6326340B1 (en) 1998-09-29 2001-12-04 Mohamed Emam Labib Cleaning composition and apparatus for removing biofilm and debris from lines and tubing and method therefor
US6076536A (en) 1998-10-07 2000-06-20 H.E.R.C. Products Incorporated Cleaning and passivating water distribution systems
US6726778B2 (en) * 2002-01-14 2004-04-27 Je Cleanpress Ltd. Co. Method for cleaning and renovating pipelines
US9611973B2 (en) 2002-08-28 2017-04-04 Pipe Restoration Technologies, Llc Process for coating the interior surface of water service lines
US20110048322A1 (en) * 2002-08-28 2011-03-03 Pipe Restoration Technologies, Llc Methods and Systems for Abrasive Cleaning and Barrier Coating/Sealing of Pipes
US8696823B1 (en) 2002-08-28 2014-04-15 Pipe Restoration Technologies, Llc Methods and systems for abrasive cleaning and barrier coating/sealing of pipes
US8524320B1 (en) 2002-08-28 2013-09-03 Pipe Restoration Technologies, Llc Process for coating the interior surface of water service lines
US7858149B2 (en) 2002-08-28 2010-12-28 Pipe Restoration Technologies, Llc Methods and systems for coating and sealing inside piping systems
US7160574B1 (en) 2002-08-28 2007-01-09 Pipe Restoration Technologies, Llc Barrier coating corrosion control methods and systems for interior piping systems
US8399813B2 (en) 2002-08-28 2013-03-19 Pipe Restoration Technologies, Llc Portable heating apparatus for heating interior piping systems
US6739950B1 (en) * 2002-12-09 2004-05-25 Joerg Kruse Pipe renovating system and method
DE10323298B4 (de) * 2003-05-21 2007-03-08 Herbert Grunwald Verfahren zur Sanierung von inkrustierten Wasserrohrleitungen
DE10358253B4 (de) * 2003-12-11 2009-12-31 Aqua-Protect Gmbh Verfahren zur Sanierung von inkrustierten Wasserrohrleitungen mit mehreren Leitungsabschnitten
ITPD20040256A1 (it) * 2004-10-15 2005-01-15 Griggio Francesco Metodo per la rigenerazione di condotte per il trasporto o il trattamento di aria
CN100447476C (zh) * 2005-04-30 2008-12-31 中国科学院金属研究所 在役地下管道在线内涂层防护施工工艺
US20060257559A1 (en) * 2005-05-11 2006-11-16 Warren Danny R Method and system for insitu repair of interior water pipes
US7348039B2 (en) * 2005-12-21 2008-03-25 Jak Aklian Method of making a newly installed plumbing system renewable
ES2746061T3 (es) 2007-01-04 2020-03-04 Pipe Restoration Tech Llc Métodos y sistemas para recubrir y sellar el interior de sistemas de tuberías
US7862660B2 (en) 2007-01-12 2011-01-04 Princeton Trade & Technology, Inc. Device and method for fluid dynamics cleaning of constrained spaces
US8226774B2 (en) 2008-09-30 2012-07-24 Princeton Trade & Technology, Inc. Method for cleaning passageways such an endoscope channels using flow of liquid and gas
US8114221B2 (en) * 2008-09-30 2012-02-14 Princeton Trade & Technology, Inc. Method and composition for cleaning tubular systems employing moving three-phase contact lines
GB2470065B (en) * 2009-05-08 2011-03-30 Jan Lepkowski Compressed air powerflush
JP2017100085A (ja) * 2015-12-02 2017-06-08 大阪瓦斯株式会社 給湯管のライニング処理方法
US10689834B2 (en) 2017-03-06 2020-06-23 Bingham & Taylor Corp. Meter pit and method of manufacturing the same
US11325168B2 (en) * 2018-05-29 2022-05-10 Tri-Bros. Chemical Corp. Dissolving silicate scale

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711309A (en) * 1971-05-03 1973-01-16 J Packo Method of sealing leaks in vessels and joints
DE2350589B1 (de) * 1973-10-09 1974-11-28 Stadtwerke Emden Gmbh Verfahren zum Abdichten von verlegten Gasrohrleitungen
NL7507125A (en) * 1975-06-16 1976-12-20 Gerard Pieter Maria Janssen Removing scale from hot water systems - by portable pump and tank circulating acid soln. with mordancy inhibitors
DE3138229A1 (de) * 1981-09-21 1983-04-07 Osaka Gas Co. Ltd., Osaka Verfahren zum abdichten und beschichten der innenseiten von rohrleitungen sowie dichtungsmittel zur anwendung fuer das verfahren
EP0090384A1 (fr) * 1982-03-30 1983-10-05 diga - die gasheizung GmbH Substance, procédé et dispositif pour l'etanchéification interne de conduites
EP0244811A2 (fr) * 1986-05-05 1987-11-11 Grünbeck Wasseraufbereitung GmbH Installation pour le nettoyage des tuyauteries

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US3003899A (en) * 1957-05-17 1961-10-10 Dow Chemical Co Removal of scale deposits
JPS5486818A (en) * 1977-12-21 1979-07-10 Kankyo Kaihatsu Kk Method of regenerating water pipe laid and device for painting inside surface of same pipe in said method
DD140488A1 (de) * 1978-11-20 1980-03-05 Manfred Boettner Fahrbare umwaelzanlage zur chemischen rohrreinigung von trink-und brauchwasserleitungen
US4425385A (en) * 1982-04-12 1984-01-10 Coulter-Mustang Services Company Method for cleaning and coating pipeline walls
ZA833486B (en) * 1982-05-14 1984-06-27 Ram Services Ltd Pipe linings
US4454174A (en) * 1982-05-31 1984-06-12 Hakko Co., Ltd. Method for lining pipes of a pipeline
US4508577A (en) * 1983-04-29 1985-04-02 Tracor Hydronautics, Inc. Fluid jet apparatus and method for cleaning tubular components
CH662070A5 (en) * 1984-08-16 1987-09-15 Fischer Ag Georg Process and device for flushing and cleaning a pipeline
DE3508811A1 (de) * 1985-03-08 1986-09-11 Mannesmann AG, 4000 Düsseldorf Verfahren zum ummanteln eines stahlrohres

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711309A (en) * 1971-05-03 1973-01-16 J Packo Method of sealing leaks in vessels and joints
DE2350589B1 (de) * 1973-10-09 1974-11-28 Stadtwerke Emden Gmbh Verfahren zum Abdichten von verlegten Gasrohrleitungen
NL7507125A (en) * 1975-06-16 1976-12-20 Gerard Pieter Maria Janssen Removing scale from hot water systems - by portable pump and tank circulating acid soln. with mordancy inhibitors
DE3138229A1 (de) * 1981-09-21 1983-04-07 Osaka Gas Co. Ltd., Osaka Verfahren zum abdichten und beschichten der innenseiten von rohrleitungen sowie dichtungsmittel zur anwendung fuer das verfahren
EP0090384A1 (fr) * 1982-03-30 1983-10-05 diga - die gasheizung GmbH Substance, procédé et dispositif pour l'etanchéification interne de conduites
EP0244811A2 (fr) * 1986-05-05 1987-11-11 Grünbeck Wasseraufbereitung GmbH Installation pour le nettoyage des tuyauteries

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634229A1 (fr) * 1993-07-12 1995-01-18 Promotec AG Procédé, assemblage et dispositif pour le nettoyage et revêtement interne d'une tuyauterie
WO1996031298A1 (fr) * 1995-04-07 1996-10-10 Firma Aqua-Protect Gesellschaft Für Wasserleitungssanierung Gmbh & Co. Kg Procede de nettoyage et de revetement de conduites ou systemes de conduites destinees notamment a la distribution d'eau

Also Published As

Publication number Publication date
GR3007021T3 (en) 1993-07-30
DE3803410A1 (de) 1989-08-17
EP0326867B2 (fr) 1997-02-26
US5045352A (en) 1991-09-03
EP0326867A3 (en) 1990-11-07
EP0326867B1 (fr) 1992-11-25
GR3023475T3 (en) 1997-08-29
ATE82709T1 (de) 1992-12-15
JPH01231972A (ja) 1989-09-18
ES2036724T5 (es) 1997-06-01
ES2036724T3 (es) 1993-06-01
DE58902786D1 (de) 1993-01-07

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