EP0206915B1 - Reinigungsapparat für Wasseroberfläche - Google Patents

Reinigungsapparat für Wasseroberfläche Download PDF

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Publication number
EP0206915B1
EP0206915B1 EP86401292A EP86401292A EP0206915B1 EP 0206915 B1 EP0206915 B1 EP 0206915B1 EP 86401292 A EP86401292 A EP 86401292A EP 86401292 A EP86401292 A EP 86401292A EP 0206915 B1 EP0206915 B1 EP 0206915B1
Authority
EP
European Patent Office
Prior art keywords
water
channel
bell
machine
settling
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.)
Expired - Lifetime
Application number
EP86401292A
Other languages
English (en)
French (fr)
Other versions
EP0206915A3 (en
EP0206915A2 (de
Inventor
Lucien Chastan-Bagnis
Alain Chastan-Bagnis
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.)
ASSUNZIONE VARIAZION;MODIANO & ASSOCIATI
Original Assignee
Lucien Chastan-Bagnis
Alain Chastan-Bagnis
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9320343&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0206915(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lucien Chastan-Bagnis, Alain Chastan-Bagnis filed Critical Lucien Chastan-Bagnis
Priority to AT86401292T priority Critical patent/ATE67804T1/de
Publication of EP0206915A2 publication Critical patent/EP0206915A2/de
Publication of EP0206915A3 publication Critical patent/EP0206915A3/fr
Application granted granted Critical
Publication of EP0206915B1 publication Critical patent/EP0206915B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/046—Collection of oil using vessels, i.e. boats, barges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/32—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for collecting pollution from open water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/918—Miscellaneous specific techniques
    • Y10S210/922—Oil spill cleanup, e.g. bacterial
    • Y10S210/923—Oil spill cleanup, e.g. bacterial using mechanical means, e.g. skimmers, pump

Definitions

  • the present invention relates to a pollution control device of simple and economical construction which makes it possible to effectively depollute water bodies such as lakes or marine shores by collecting all the water immiscible wastes that their density is lower, equal to or greater than that of groundwater.
  • a device according to the preamble of claim 1 is described in document WO-A-80/0072.
  • Such a machine comprises a channel which takes a current, respectively a vein of water in the vicinity of the surface at the front of the machine to reject it at the rear after having cleared it, the circulation of the vein of water in the channel being provided by at least one propeller driven by a motor, preferably hydraulic.
  • the subject of the invention is a device for cleaning up water tables comprising waste on their surface, of the type comprising a water circulation channel having an inlet for receiving a stream of water at the front of said device and a outlet opening at the rear of said device for discharging said stream of water after cleaning it, a propeller driven by a motor and driving the stream of water in said channel, characterized in that the device also comprises a closed decanting bell located above the surface of the water table, behind the water inlet on the upper wall of the circulation channel near its mouth, a bypass channel with closed section collecting the upper part of the water stream which comprises the floating waste at a point situated below the level of the water which surrounds the machine, this bypass channel being inclined upwards and having its outlet situated in the settling bell to the neighbor swimming from the top of the latter where floating debris accumulates, an elimination pipe eliminating floating debris from the top of the settling bell and a downward evacuation pipe having its entry in the bell settling in the vicinity of the outlet of the bypass canal and having its outlet connected to the circulation channel downstream of the inlet of
  • the bypass channel which takes the upper part of the liquid vein has an elongated section which opens along the front wall of the settling bell, the upper part of the liquid vein on which supernatant the impurities being brought into the settling bell in the vicinity of said front wall.
  • the water evacuation pipe has a relatively small section compared to that of the settling bell and its mouth is placed in the vicinity of the center of the latter.
  • the water circulation channel has a section which gradually reduces between the mouth of the bypass channel which ends at the settling bell and the point of arrival of the pipe d evacuation which brings the water from the settling bell back into said channel to create a faster speed of water circulation at this last point.
  • the evacuation pipe which takes the water contained in the settling bell to send it into the channel leading to the liquid vein is provided with a throttling device which can make vary its flow.
  • the body 1 of the machine supports on each side a flotation member 2 which in this case consists of three hollow wheels 3 connected by a track 4. These wheels 3 are mounted on a support 5 whose ends 6 and 7 of rounded shape can go up or down independently of each other with respect to the body 1 of the machine thanks to the jacks 8 and 9 schematically represented and located above the body of the machine.
  • Two converging removable boxes 10 are placed at the front end of the machine so as to channel the waste which found on the surface of the water towards the entry of the channel which makes cross the liquid vein from the front to the back of the machine.
  • the boxes 10 converge towards a grid 11 which is arranged across the mouth of the water circulation channel 12, the shape of which is clearly seen in FIGS. 3 and 5.
  • FIG. 3 shows how the channel 12 has a height which decreases progressively between the inlet grid 11 and the rear 13 of the machine.
  • bypass channel 14 takes the upper part of the liquid vein to bring it into the settling bell 15 in the upper part of which accumulates the supernatant impurities while the water is brought back into the liquid vein by the evacuation pipe 16 which terminates in accordance with the invention at 16 a in the channel 12 at a point located downstream from point 14 a where the upper part of the vein is taken.
  • the channel 12 has a width which is gradually reduced between the grid 11 and the point 17 where it separates into two divergent channels 18 whose ends open at 19 laterally behind the machine.
  • Jet deflectors constituted by cylinder sectors 21, can, by pivoting around the axis 22, either allow the liquid stream to flow in the axis of the two divergent channels 18, or bring the two halves of the liquid stream laterally or even towards the front of the craft.
  • the machine according to the invention has great stability and great maneuverability even in bodies of water which have large currents.
  • an orifice 23 located in the lower wall of the channel which can be more or less closed by a flap 24 so as to take water under the machine to ensure ejection of a flow significant water through the divergent channels 18, without increasing the speed of circulation of the water stream at the entrance of the channel 12 beyond what is necessary for a good collection of liquid waste located on the surface of the water table.
  • Figure 6 is a section cut away in part along the median longitudinal plane of the machine, the channel 12 which is divided at the rear of the machine into two channels 18 separated from the point 17, the bypass channel 14 which takes the upper part of the liquid stream at 14 a to bring it into the settling bell 15 from which the water which accumulates at the lower part of the bell escapes by the evacuation pipe 16 to end at 16 a further back in the channel 12.
  • FIG. 6 schematically shows how the hydrocarbons or other impurities lighter than water accumulate in 15 a at the upper part of the settling bell 15 while, according to a preferred embodiment of the invention, a deflector 25 is placed on the wall of the bell opposite the bypass channel 14 to prevent the hydrocarbons 15 a from being sucked in again by the evacuation pipe 16.
  • FIG. 9 a sectional view of the settling bell 15.
  • the bypass channel 14 which guides the upper part of the liquid vein, which schematically comprises represented in 15 b , a layer of supernatant impurities such as hydrocarbons which come to accumulate in 15 a at the upper part of the bell 15 while the water which remains at the lower part of the bell is sucked by the evacuation pipe 16 due to the fact that the end 16a of this pipe is in depression relative to the mouth 15a of the pipe bypass.
  • the upper part of the settling bell is connected to a source of vacuum by a pipe not shown in the drawing in order to maintain the liquids at a determined level of the bell.
  • the pipe 16 with a throttling register, not shown, which makes it possible to adjust the flow rate in the channel 14 and the pipe 16 so as to obtain the optimal settling conditions.
  • Figure 8 There is schematically shown in Figure 8 a sectional view of a preferred embodiment of the upper wall of the channel 12, in the vicinity of the mouth 14 a of the bypass channel 14.
  • the upper wall of the channel 12 has between the grid 11 and the mouth 14 has of the bypass channel a zigzag section which allows to collect the supernatant liquid impurities on the liquid vein which engages inside the machine so as to facilitate decantation in the bell 15.
  • hydrocarbon cords 15 b which are found in FIG. 9 along the wall of the bypass channel 14 and which end at 15 a at the upper part of the settling bell, of which they thus facilitate the proper functioning. .
  • the device according to the invention which is of a simple and inexpensive structure makes it possible to completely clean up a sheet of water from all the waste which floats on the surface of the sheet.
  • buoyancy boxes constituted by wheels fitted with tracks which give the machine an amphibious character
  • simple full boxes which are subjected in the same way to the action of the jacks for adjust the attitude of the machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Structural Engineering (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Civil Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Removal Of Floating Material (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
  • Processing Of Solid Wastes (AREA)
  • Saccharide Compounds (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Paper (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Nozzles (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (8)

  1. Reinigungsapparat für Wasseroberflächen, die Abfall an ihren Oberflächen aufweisen, mit einem Wasser-Umlaufkanal (12), der einen Einlaß (11) zur Aufnahme eines Wasserstromes vor dem Apparat und eine Auslaßöffnug (13) hinter dem genannten Apparat aufweist, um den Wasserstrom, nachdem er gereinigt wurde, abzuleiten, und mit einem Propeller (20), der durch einen Motor angetrieben wird und den Wasserstrom im genannten Kanal (12) antreibt,
    dadurch gekennzeichnet, daß der Apparat außerdem eine geschlossene Absetzglocke (15) aufweist, die über dem Spiegel der Wasseroberfläche hinter dem Wassereinlaß (11) auf der Wand über dem Umlaufkanal (12) in der Nähe seiner Mündung gelegen ist, einen Ableitkanal (14) mit geschlossenem Querschnitt, der den oberen Teil des Wassserstromes, der die schwimmenden Abfallstücke enthält, in einem Punkt (14a) aufnimmt, der unter dem Spiegel des Wassers gelegen ist, das den Apparat umgibt, wobei der Ableitkanal (14) nach oben geneigt ist und einen Auslauf aufweist, der in der Absetzglocke (15) in der Nähe ihres oberen Teils angeordnet ist, wo sich die schwimmenden Abfallteile ansammeln können, eine Abscheideleitung (29), die die schwimmenden Abfallteile von dem oberen Teil der Absetzglocke (15) ableitet, und eine Auslaßleitung (16), die ihren Einlaß in die Absetzglocke in der Nähe des Auslasses des Ableitkanals (14) aufweist und an ihrem Auslaß (16a) mit dem Umlaufkanal (12) stromabwärts vom Einlaß (14a) des Ableitkanals (14) an einer Stelle verbunden ist, an der die Strömungsgeschwindigkeit des Wassers größer ist als jene, die an der Einlaufstelle des Ableitkanals (14a) vorliegt.
  2. Apparat nach Anspruch 1, dadurch gekennzeichnet, daß die Absetzglocke (15) eine Frontwand aufweist, die zur Vorderseite des Apparats hin gerichtet ist, und daß der Ableitkanal (14) einen länglichen Querschnitt aufweist und längs der Frontwand der Absetzkammer gelegen ist.
  3. Apparat nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Auslaßleitung (16) einen kleineren Querschnitt aufweist als jenen der Absetzglocke, und daß der Einlaß der genannten Auslaßleitung (16) in der Nachbarschaft der Mitte der Absetzglocke angeordnet ist.
  4. Apparat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Absetzglocke (15) einen Schwimmer (27) mit einer geringeren Dichte als die des Wassers, aber einer größeren als die der aufschwimmenden Flüssigkeiten, aufweist, sowie eine Pumpe, die vom genannten Schwimmer gesteuert ist und die aufschwimmenden Abfallstoffe durch die Abscheideleitung (29) abführt.
  5. Apparat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Wasser-Umlaufkanal (12) einen Nutzquerschnitt aufweist, der sich von der Stelle aus, wo sich der Einlaß (14a) des Ableitkanals (14) befindet, zu jener Stelle hin, wo sich der Auslaß (16a) des Auslaßkanals (16) in den genannten Wasser-Umlaufkanal (12) befindet, fortlaufend verkleinert.
  6. Apparat nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß er eine einstellbare Klappe (24) zum Kontrollieren der Geschwindigkeitsunterschiede der Wasserströmung zwischen dem Einlaß (14a) des Ableitkanals (14) und dem Auslaß (16a) des Auslaßkanals aufweist, und daß die genannte Klappe (24) den Fluß des Wassers kontrolliert, das unter dem Apparat durch eine Öffnung (23) in den Wasser-Umlaufkanal (12) gelangt, die in der unteren Wand des Wasser-Umlaufkanals (12) zwischen dem Einlaß (14a) des Ableitkanals und dem Auslaß (16a) des Auslaßkanals gelegen ist.
  7. Apparat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Wasser-Umlaufkanal (12) in der Nachbarschaft seines Teils, der vor dem Apparat gelegen ist, eine obere Wand besitzt, die einen Zickzackabschnitt aufweist.
  8. Apparat nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß die Auslaßleitung (16) einen regulierbaren Drosselschieber aufweist.
EP86401292A 1985-06-14 1986-06-13 Reinigungsapparat für Wasseroberfläche Expired - Lifetime EP0206915B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86401292T ATE67804T1 (de) 1985-06-14 1986-06-13 Reinigungsapparat fuer wasseroberflaeche.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8509195A FR2622880A1 (fr) 1985-06-14 1985-06-14 Machine de depollution
FR8509195 1985-06-14

Publications (3)

Publication Number Publication Date
EP0206915A2 EP0206915A2 (de) 1986-12-30
EP0206915A3 EP0206915A3 (en) 1988-05-11
EP0206915B1 true EP0206915B1 (de) 1991-09-25

Family

ID=9320343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86401292A Expired - Lifetime EP0206915B1 (de) 1985-06-14 1986-06-13 Reinigungsapparat für Wasseroberfläche

Country Status (11)

Country Link
US (1) US4921605A (de)
EP (1) EP0206915B1 (de)
JP (1) JPS6238288A (de)
AT (1) ATE67804T1 (de)
CA (1) CA1282346C (de)
DE (1) DE3681639D1 (de)
ES (1) ES8708034A1 (de)
FR (1) FR2622880A1 (de)
IN (1) IN166760B (de)
IT (1) IT1189153B (de)
NO (1) NO162627C (de)

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NO162627C (no) 1990-01-24
CA1282346C (fr) 1991-04-02
NO862186L (no) 1986-12-15
IT8620734A0 (it) 1986-06-10
EP0206915A3 (en) 1988-05-11
NO862186D0 (no) 1986-06-02
NO162627B (no) 1989-10-16
ATE67804T1 (de) 1991-10-15
US4921605A (en) 1990-05-01
FR2622880A1 (fr) 1989-05-12
IN166760B (de) 1990-07-14
DE3681639D1 (de) 1991-10-31
EP0206915A2 (de) 1986-12-30
ES8708034A1 (es) 1987-09-16
ES556015A0 (es) 1987-09-16
IT1189153B (it) 1988-01-28
JPS6238288A (ja) 1987-02-19
IT8620734A1 (it) 1987-12-10

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