EP3943671B1 - Procédé et système de dragage d'un conduit sousterrain - Google Patents

Procédé et système de dragage d'un conduit sousterrain Download PDF

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Publication number
EP3943671B1
EP3943671B1 EP21187029.0A EP21187029A EP3943671B1 EP 3943671 B1 EP3943671 B1 EP 3943671B1 EP 21187029 A EP21187029 A EP 21187029A EP 3943671 B1 EP3943671 B1 EP 3943671B1
Authority
EP
European Patent Office
Prior art keywords
container
section
winch
duct
conduit
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.)
Active
Application number
EP21187029.0A
Other languages
German (de)
English (en)
Other versions
EP3943671A1 (fr
Inventor
Roberto DORIA
Paolo Pacifico DORIA
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.)
Trattamenti Ecologici Doria Srl
Original Assignee
Trattamenti Ecologici Doria Srl
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 Trattamenti Ecologici Doria Srl filed Critical Trattamenti Ecologici Doria Srl
Priority to HRP20231198TT priority Critical patent/HRP20231198T1/hr
Priority to RS20230885A priority patent/RS64761B1/sr
Priority to SI202130067T priority patent/SI3943671T1/sl
Publication of EP3943671A1 publication Critical patent/EP3943671A1/fr
Application granted granted Critical
Publication of EP3943671B1 publication Critical patent/EP3943671B1/fr
Active legal-status Critical Current
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • 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
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9243—Passive suction heads with no mechanical cutting means
    • E02F3/925—Passive suction heads with no mechanical cutting means with jets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • E02F5/285—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with drag buckets or scraper plates
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • 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
    • E03F9/002—Cleaning sewer pipes by mechanical means

Definitions

  • the present invention relates to a method and system of dredging a channel or duct, for example underground, such as a channel belonging to a sewage system, or drains, spillways, etc....
  • a first type provides for the insertion of water jet nozzles, as illustrated, for example, in patent application US20110308552 , which describes a first nozzle head inserted along the duct that sprays jets of water directly along the duct.
  • the first head is exchanged for a second head connected to a cable and is pulled back to the first position.
  • the nozzle is then pulled back to the second position by pulling the cable while the nozzles directed along the pipe towards the second position push the solids forward to the second position for extraction.
  • a sediment collection container In a second modus operandi, a sediment collection container is used which is made to slide along the canal. The operations are usually carried out by accessing the underground channel through pairs of inspection wells that delimit the section of channel to be cleaned.
  • a sediment collection container hooked to a first holding cable is lowered into the duct, this container is towed into the duct in the direction of the second well by means of a second cable hooked to the container which is lowered from this second well.
  • the container for sediment collection is generally shaped like a slide, and the cables are towed by special winches placed on the surface near these inspection wells.
  • This second modus operandi has the drawback that, having positioned the winches on the surface, the sliding of the towing and holding cables from the wells to the duct can be difficult, since they have to overcome an almost right angle formed between the axis of the well (usually substantially vertical) and that of the channel (usually almost horizontal or slightly inclined). This sliding is even more difficult when, during the dredging step, the container or slide loaded with sediment has to be towed and when this angle has to be overcome between the bottom of the well and the end of the section of the duct by the US6494437 shows an underground conduit cleaning system as per the preamble of independent claim 1.
  • the duct may be an underground duct and the inspection wells are vertical channels for access to the indicated section, or it may be an open duct such as a ditch or a canal that is difficult to access through banks that delimit it equivalent to inspection channels.
  • These means are arranged on the surface above the section of duct.
  • Each winch is connected with a cable C1 or C2 which at its free end (the one not engaged with the respective winch) is connected with a sediment collection container S sliding along the section of duct through these winches and which collects the sediments.
  • These machines M1 and M2 comprise means for moving the winches along the inspection channel or well and positioning them on the bottom of it substantially at the same level as the section of duct to be dredged. Such movement means are advantageously realised by means of a telescopic or articulated arm. Such machines are preferably excavators.
  • the sediment collection container is shaped like a slide or like a bucket provided with a mouth for the collection during the dragging of the sediments and a closed bottom to form a "bag".
  • the method and the system of the present invention are equally applicable in an environmental situation in which the first inspection channel well P1 is an open channel and allows a means to be brought to the level of the quote of the duct to be dredged ( fig. 3a ) or allows the first winch to be lowered more easily to the level of this duct ( fig. 3b ).
  • the method for removing or dredging a section of channel T according to the present invention accessible through at least a first P1 and a second P2 inspection channel which connect and delimit this section of duct to the surface S essentially comprises the steps of:
  • the dredging operations can be carried out in both directions (indifferently from P1 to P2 or from P2 to P1), in order to carry out a subsequent dredging operation it will be sufficient to rotate the container and lower again the winch that lifted the filled container (after it had been emptied) up to the level of the section of duct to be dredged, and tow the container in the opposite direction until it is near the other winch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sewage (AREA)
  • Cleaning In General (AREA)
  • Pipeline Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Claims (6)

  1. Système de dragage d'un conduit (T), ou d'une section de celui-ci, accessible par au moins un premier (P1) et un second (P2) canal d'inspection ou passage d'accès, qui relient et délimitent cette section de conduit à la surface (S), un tel système comprenant :
    - des machines (M1, M2) pour positionner un treuil respectif (A1, A2) le long de chaque canal d'inspection sur la jonction entre chaque canal d'inspection et ledit conduit,
    - lesdites machines étant disposées sur la surface au-dessus de la section du conduit,
    - chaque treuil est relié à un câble (C1, C2) qui, à son extrémité libre, est relié à un récipient de collecte de sédiments (S) glissant le long de la section du conduit au moyen de ces treuils et qui collecte les sédiments,
    - ces machines (M1, M2) comprennent des moyens pour déplacer les treuils le long du canal d'inspection et les positionner sur le fond de celui-ci sensiblement au même niveau que la section de conduit à draguer,
    caractérisé en ce que le récipient de collecte des sédiments a la forme d'un toboggan ou d'un godet muni d'une embouchure pour la collecte pendant le dragage des sédiments et d'un fond fermé pour former un "sac".
  2. Système selon la revendication 1, dans lequel lesdits moyens de déplacement (M1, M2) comprennent un bras télescopique ou articulé.
  3. Système selon la revendication 1, dans lequel lesdites machines sont des excavateurs.
  4. Procédé d'enlèvement ou de dragage d'une section de canal (T) accessible par au moins un premier (P1) et un second (P2) canal d'inspection ou passage d'accès, qui relient et délimitent cette section de conduit à la surface (S), comprenant essentiellement les étapes suivantes :
    a) la préparation d'une première et d'une deuxième machine (M1, M2) pour positionner les premier et second treuils respectifs (A1, A2) à proximité des premier et second canaux d'inspection (C1, C2),
    b) l'abaissement du câble (C1, C2) du premier ou du second treuil (A1, A2) dans le canal d'inspection respectif (P1, P2) jusqu'à ce qu'il traverse toute la section d'un conduit à draguer (T) et soulever son extrémité à partir de l'autre canal d'inspection (P2, P1),
    c) l'accrochage d'un récipient de collecte des sédiments (S) à cette extrémité de ce câble et son accrochage également au câble du second ou du premier treuil (A2, A1), ledit récipient de collecte des sédiments ayant la forme d'un toboggan ou d'un godet muni d'une embouchure pour la collecte des sédiments pendant le dragage et d'un fond fermé pour former un "sac",
    d) l'abaissement ou le positionnement des deux treuils (A1, A2) dans les canaux d'inspection (P1, P2) jusqu'à ce qu'ils atteignent sensiblement la même cote ou le même niveau que la section du conduit à draguer, de manière que le récipient (S) se situe à une des extrémités du canal près du treuil respectif (A1, A2),
    e) le remorquage du récipient au moyen de ces treuils jusqu'à l'extrémité opposée de cette section du conduit, près de l'autre treuil (A2, A1),
    f) le soulèvement du treuil qui a le récipient près de lui sur la surface (S) pour le vider.
  5. Procédé selon la revendication 4, dans lequel, lorsque l'opération de dragage doit être effectuée en déplaçant le conteneur toujours dans la même direction, après l'étape f) le conteneur lui-même est renvoyé, en l'amenant à traverser à nouveau dans le conduit à draguer, à proximité de l'autre treuil (A2 ou A1) pour reproduire les étapes e), f) ci-dessus.
  6. Procédé selon la revendication 4, dans lequel les opérations de dragage peuvent être effectuées en déplaçant le récipient (S) dans les deux sens pour effectuer une opération de dragage ultérieure, il sera suffisant de faire tourner le récipient et de suivre le treuil qui a soulevé le récipient d'empotage jusqu'au niveau de la section de conduit à draguer, et de remorquer le récipient dans le sens opposé jusqu'à l'autre treuil.
EP21187029.0A 2020-07-24 2021-07-21 Procédé et système de dragage d'un conduit sousterrain Active EP3943671B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
HRP20231198TT HRP20231198T1 (hr) 2020-07-24 2021-07-21 Postupak i sistem jaružanja podzemnog cjevovoda
RS20230885A RS64761B1 (sr) 2020-07-24 2021-07-21 Postupak i sistem bagerovanja podzemnog cevovoda
SI202130067T SI3943671T1 (sl) 2020-07-24 2021-07-21 Metoda in sistem poglabljanja podzemnega voda

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102020000017962A IT202000017962A1 (it) 2020-07-24 2020-07-24 Metodo e sistema di dragaggio di un canale o condotto.

Publications (2)

Publication Number Publication Date
EP3943671A1 EP3943671A1 (fr) 2022-01-26
EP3943671B1 true EP3943671B1 (fr) 2023-07-12

Family

ID=72709740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21187029.0A Active EP3943671B1 (fr) 2020-07-24 2021-07-21 Procédé et système de dragage d'un conduit sousterrain

Country Status (7)

Country Link
EP (1) EP3943671B1 (fr)
DK (1) DK3943671T3 (fr)
ES (1) ES2956984T3 (fr)
HR (1) HRP20231198T1 (fr)
IT (1) IT202000017962A1 (fr)
RS (1) RS64761B1 (fr)
SI (1) SI3943671T1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115182404B (zh) * 2022-08-19 2023-07-11 郝秀占 一种河道清淤设备及其河道清淤方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309128A (en) * 1979-11-26 1982-01-05 Williams Richard Lee Method and apparatus for removing deflection from plastic pipes
US4337096A (en) * 1980-07-14 1982-06-29 Paul L. Pratt Method and implement for cleaning drains
US5444887A (en) * 1991-12-04 1995-08-29 Rufolo; Paul G. Method and device for cleaning underwater pipes
US6494437B1 (en) * 1995-10-24 2002-12-17 Mark L. Boyer Boom mounted winch
KR101170515B1 (ko) * 2009-10-27 2012-08-02 배형진 하수관거의 준설토 준설장치 및 방법
US8974604B2 (en) 2010-06-17 2015-03-10 Slawko Morris Baziuk Sewer cleaning method
KR101387699B1 (ko) * 2013-11-13 2014-04-21 한빛테크원 (주) 배수로 슬러지 준설 재활용 설비와 준설 재활용 공법

Also Published As

Publication number Publication date
SI3943671T1 (sl) 2023-12-29
ES2956984T3 (es) 2024-01-05
DK3943671T3 (da) 2023-10-02
EP3943671A1 (fr) 2022-01-26
IT202000017962A1 (it) 2022-01-24
RS64761B1 (sr) 2023-11-30
HRP20231198T1 (hr) 2024-01-19

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