EP0668406B1 - Verfahren und Vorrichtung zum Absaugen von Gewässergrund - Google Patents
Verfahren und Vorrichtung zum Absaugen von Gewässergrund Download PDFInfo
- Publication number
- EP0668406B1 EP0668406B1 EP95101673A EP95101673A EP0668406B1 EP 0668406 B1 EP0668406 B1 EP 0668406B1 EP 95101673 A EP95101673 A EP 95101673A EP 95101673 A EP95101673 A EP 95101673A EP 0668406 B1 EP0668406 B1 EP 0668406B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- suction head
- suction
- hold
- trailing
- 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
Links
- 238000000034 method Methods 0.000 title claims description 22
- 239000002689 soil Substances 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 161
- 239000007787 solid Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 17
- 239000007900 aqueous suspension Substances 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 7
- 230000009969 flowable effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 230000032258 transport Effects 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 238000005243 fluidization Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000008247 solid mixture Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
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
- 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
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/005—Equipment for conveying or separating excavated material conveying material from the underwater bottom
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/04—Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
- E02F7/065—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators mounted on a floating dredger
Definitions
- the invention relates to a method for vacuuming the bottom of water and to convey the solid-water suspension obtained directly or via a pouring box into a loading space, preferably a loading suction dredger, taking at least one drag suction head of water under pressure is fed, which is pressed into the water bottom via pressurized water nozzles and causes swelling of the water bed.
- the invention further relates to a device for performing the aforementioned Procedure with at least one directly to a cargo hold or trailing suction head with a pressure and a suction line, the pressure line with one or more in the direction of movement of the drag suction head - front area of the Drag suction head arranged and directed to the bottom of the water Pressurized water nozzles is connected.
- the drag suction head described in DE 14 84 812 C3 has several arranged side by side at a short distance above the floor Pressurized water nozzles for introducing the pressurized water into the bottom and a rear suction gap, which is from a freely pivotable backwards about a horizontal transverse axis extending hood formed by its rear edge becomes.
- the width of the suction gap is determined by sliding shoes on the rear Edge of the hood determined.
- DE 24 48 308 C2 proposes the drag suction head both a suction pump in the suction line and one Assign pressure pump lying in the pressurized water pipe, about what the interior of the cargo space is extractable, so that the extracted water as a transport medium for the solids in the Near the mouth of the suction line can be returned.
- the overflow water is drawn in via a suction strainer correspondingly in height in the loading space or the dump box the level there is set.
- GB-A-318 355 discloses a method and a device for suction of water bed and to convey the solid-water suspension obtained known in a loading space of an excavator, water being supplied that is pressed into the bottom of the water via nozzles and thereby treatment of the bottom of the water.
- the nozzles below A partial flow which is called Suction jet for generating a negative pressure in the intake manifold through a corresponding one Jet nozzle is directed into a delivery line at the top of the suction pipe.
- the suction head extends vertically downwards, in order to be able to remove material from floor depressions. As a trailing head it is not suitable - also because of its small width.
- US-A-4 760 656 is an ore mining apparatus known, in which water under pressure through a nozzle on the ore deposit is directed, the water jet through the nozzle ore loosens and also creates an ore-water suspension, which by a Suction pipe is suctioned off.
- the pressurized water jet is also used here Branch stream branched and in order to generate a vacuum in the intake manifold a delivery line connected to the suction pipe. Since the Nozzle jet must produce an "ore-water puddle", this is also Device not suitable as drag suction head.
- the invention has for its object the ratio of the funded To improve the solids content of the water pumped during suction, without the advantages achievable with previously known methods or systems to have to do without.
- the invention is based on the knowledge that while recording Two works are to be carried out, namely the one Flooding the bottom of the water and secondly its acceleration in the direction of the intake manifold.
- the nozzles (row) To the proven arrangement of the nozzles (row) to be able to maintain at the front trailing suction head edge which, taking into account the towing movement, is directed towards the rear Solid water mixture flow is created by Partial diversion of the water to the area of the rear edge there, water introduced via nozzles is used as a motive water stream. This makes it possible to use a larger amount of water Swell (loosen) the bottom of the water.
- the Mixture is actively accelerated by the motive water flow. This measure allows the solids content in the pumped Mixture can be increased significantly.
- the drift water flow for active acceleration of the loosened water bed preferably occurs at the rear end of the trailing suction head in the direction of the suction pipe (20) into the suction area (31). This measure ensures that the respective No jets juxtapose and partially compensate each
- the quantity ratio of the pressurized water flow to the motive water flow are dependent on the nature of the water body regulated or controlled. Depending on the bottom of the body of water Swelling required pressurized water flow in favor of the motive water flow be minimized and vice versa.
- the suction area lying in the water floor, into which the two partial flows be passed through a hood of the drag suction head essentially shielded from the surrounding water, so that the amount of the motive water flow and the pressurized water flow represents the amount of transport water in the intake manifold.
- Trailed suction head water supplied from the overflow water in the Load space at least partially, preferably completely removed.
- the water from the hold is central Extraction shaft removed or extracted.
- the process parameters are preferably Suction power etc., set so that the amount of transport water in the intake manifold is approximately equal to the amount of solids.
- the device according to claim 11 solved which is characterized according to the invention in that of the pressure line a partial line branches off to at least one - in the direction of movement of the trailing suction head - in the rear area of the Drag suction head arranged driving water nozzle leads and that the outlet openings the motive water nozzles directed in the direction of the suction pipe are.
- the advantages result from the above-described method.
- the outlet openings of the motive water nozzles are in the direction of the suction pipe directed to optimal acceleration of the dissolved solids from the bottom of the water.
- Preferred embodiments of the device are in claims 12 to 19 described.
- the nozzle and / or partial line passage cross sections are adjustable, preferably hydraulically adjustable. This can be done via regulating or control valves the respective funding volume can be adjusted as required without any modifications or an exchange of the suction pipe is necessary.
- the pressure water nozzles on the front edge and / or the driving water nozzles are placed side by side in a row (and arranged parallel to each other) so that there is a uniform Distribution of the pressurized water flow to swell the bottom of the water and the motive water flow results.
- the drag suction head is moved around a horizontal axis pivoting hood covered, the side and rear support edge rests essentially without gaps on the water bed.
- the ratio of Solid parts to the water parts in the intake manifold in favor the solids content can be significantly improved, preferably about the same proportions.
- the Hood made of several parts and has swiveling or lifting and lowerable part walls to adapt to uneven water.
- the pressure line is with a suction shaft of the cargo area connected so that the overflow water pumped during excavation in Circuit can be used.
- the suction shaft is preferred a central shaft, which is approximately in the middle of the Loading space.
- the suction line is arranged such that it contains solid water suspensions in two arranged above the cargo area end faces Promotes bulk boxes in the hold.
- central suction shaft via height-adjustable overflow devices, which are preferably designed as ring weirs.
- This construction makes it possible to use the central extraction shaft both for returning the overflow water when loading as well as when unloading after fluidization of the solid.
- At least one additional water connection is provided through which missing quantities can be sucked in to the pressurized water.
- the loader suction excavator 10 shown in FIGS. 1 and 2 has a loading space 11 located approximately in the middle of the ship and can filled by bulk boxes 12 arranged on each end become.
- the solid-water mixture conveyed via a conveying line 13 is in channels 12 via channels 14 transports and flows into the hold 11.
- the water content flows in the direction of the central suction shaft 15 15 overflow water collecting in this suction shaft a line 16 into a pressure line 18 by means of a pump 17 passed, which leads to the drag suction head 19.
- This Pressure line 18 still leads a suction pipe 20 from the drag suction head 19 to the suction pump 22, via the delivery line 13 the solid-water mixture in the channels 14.
- the central one Suction and overflow shaft 15 also has a bottom valve 21, that via the already mentioned line 16 with the pump 17 and the suction pump 22 is connected.
- the fluidized Solid mixture can be controlled via a controllable drain weir central suction duct 15 passed and from there be promoted.
- the floor of the loading space 11 is in each case Direction of the central drain shaft 15 is inclined.
- a more detailed description of the function of the suction shaft 15 in Connection to the fluidization devices is in the DE 24 57 020 C3. In principle, however, it is the same possible, the water required for the pressure line 18 through the To suck in bottom valve 21 from the outside.
- FIG. 3 An enlarged view of the drag suction head 19 shows Fig. 3.
- the drag suction head 19 has the one already described Pressure line 18, which is divided into a first line 181 and a divides second line 182, the latter is with a flow controller 183 provided.
- the incoming water 25 divides into Driving water flow 26 and the pressurized water flow 27.
- the drift water flow 26 passes through one or more motive water nozzles 28, which are arranged side by side in a row (cf. Fig. 4), in the direction of the intake manifold 20.
- the pressurized water flow 27 becomes several pressure water nozzles arranged in series 29 fed.
- the pressurized water nozzles 29 are on the front Edge of the suction area 31 of the drag suction head 19 and the Driving water nozzles 28 arranged on the rear edge.
- the Drag suction head 19 is covered on all sides by a hood 30, so that the suction area 31 to the outside. shielded is.
- the hood 30 is preferably formed in several parts and / or has pivoting or lifting and lowering wall parts. This is symbolized in FIG. 3 by a circle 33 Joint indicated.
- the drag suction head 19 has one of several roof parts 34 existing hood 30, the liftable and lowerable part walls as side windows 32 owns.
- the propellant water nozzles 28 are in the rear and the pressurized water nozzles 29 in the front area of the hood 30 arranged.
- the device according to the invention works as follows.
- the load suction dredger 10 drags you or several drag suction heads 19, for example with one Speed of approx. 1 m / s over the bottom.
- the central suction shaft 15 is here as an overflow shaft during loading of the hold utilized. From there, the overflow water is sucked off and in Circuit fed to the drag suction head 19 again.
- the pump 17 can be dimensioned accordingly.
- a total pump output about 20% lower than the previous one
- the procedure also results from the acceleration of the solid-water mixture no longer by the suction pump takes place since there is no ambient water from the drag suction head 19 is sucked in more.
- the solids content in the solid-water mixture can be increased to 50%.
- the relative increase the loading time can be halved or while maintaining the original loading time a suction pipe including the lifting devices be saved.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
- Treatment Of Sludge (AREA)
- Refuse Collection And Transfer (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
- Fig. 1
- eine Längsschnittansicht eines Laderaumsaugbaggers,
- Fig. 2
- eine Draufsicht auf den Laderaumsaugbagger nach Fig. 1,
- Fig. 3
- einen Schleppsaugkopf in einer Schnittansicht und
- Fig.4
- eine Ansicht der Unterseite des Schleppsaugkopfes nach Fig. 3.
Claims (19)
- Verfahren zum Absaugen von Gewässergrund und zum Fördern der erhaltenen Feststoff-Wasser-Suspension direkt oder über einen Schüttkasten in einen Laderaum (11), vorzugsweise eines Laderaumsaugbaggers (10), wobei mindestens einem Schleppsaugkopf (19) Wasser (25, 27) unter Druck zugeführt wird, das über Druckwasserdüsen (29) in den Gewässergrund gedrückt wird und hierbei ein Aufquellen des Gewässergrundes bewirkt,
dadurch gekennzeichnet,
daß von dem in den Schleppsaugkopf (19) eingeleiteten Druckwasser (25, 27) vor Erreichen des Gewässergrundes ein Treibwasserstrom (26) abgeteilt wird und daß der Treibwasserstrom (26) durch mindestens eine - in Bewegungsrichtung des Schleppsaugkopfes (19) betrachtet - am hinteren Ende des Schleppsaugkopfes (19) angeordnete Treibwasserdüse (28) auf das Saugrohr (20) des Schleppsaugkopfes (19) gerichtet wird und in Richtung des Saugrohres (20) in den Saugbereich (31) eintritt. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der aus den Druckwasserdüsen (29) austretende Druckwasserstrom (27) im wesentlichen senkrecht und/oder - in Bewegungsrichtung des Schleppsaugkopfes (19) gesehen - im vorderen Bereich des Schleppsaugkopfes (19) auf den Gewässergrund gerichtet ist.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Mengenverhältnis vom Druckwasserstrom (27) zum Treibwasserstrom (26) in Abhängigkeit von der Gewässergrundbeschaffenheit geregelt oder gesteuert wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß das Verhältnis von Druckwasserstrom (27) zu Treibwasserstrom (26) etwa 40 : 60 beträgt.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der über dem Gewässergrund liegende Saugbereich (31) durch eine Haube (30) des Schleppsaugkopfes (19) gegenüber dem Umgebungswasser im wesentlichen abgeschirmt ist, so daß die Menge des Treibwasserstromes (26) und des Druckwasserstromes (27) die Transportwassermenge im Saugrohr (20) darstellt.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Wasser (25) dem Schleppsaugkopf (19) mit einem Druck von 3 bis 5 bar zugeführt wird.
- Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß das Wasser (25) dem Überlaufwasser im Laderaum (11) zumindest teilweise, vorzugsweise ganz entnommen wird.
- Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß das Wasser (25) aus dem Laderaum (11) über einen vorzugsweise zentralen Absaugschacht (15) entnommen oder abgesaugt wird.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß der Absaugschacht (15) sowohl zum Leeren des Laderaumes (11) beim Ablassen des fließfähig gemachten Feststoff-Wasser-Gemisches als auch zur Entnahme von Überlaufwasser (Wasser 25) beim Beladen benutzt wird.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß die Transportwassermenge im Saugrohr (20) etwa gleich groß der Feststoffmenge ist.
- Vorrichtung zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 10, mit mindestens einem direkt zu einem Laderaum (11) oder über einen Schüttkasten (12) führenden Schleppsaugkopf (19) mit einer Druck- und einer Saugleitung (20), wobei die Druckleitung (18, 181) mit einer oder mehreren im - in Bewegungsrichtung des Schleppsaugkopfes (19) gesehen - vorderen Bereich des Schleppsaugkopfes (19) angeordneten und auf den Gewässergrund gerichteten Druckwasserdüsen (29) in Verbindung steht,
dadurch gekennzeichnet,
daß von der Druckleitung (18, 181) eine Teilleitung (182) abzweigt, die zu mindestens einer - in Bewegungsrichtung des Schleppsaugkopfes (19) gesehen - im hinteren Bereich des Schleppsaugkopfes (19) angeordneten Treibwasserdüse (28) führt und daß die Austrittsöffnungen der Treibwasserdüsen (28) in Richtung des Saugrohres (20) gerichtet sind. - Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, daß die Düsen und/oder Teilleitungsdurchlaßquerschnitte verstellbar sind, vorzugsweise hydraulisch.
- Vorrichtung nach Anspruch 11 oder 12 dadurch gekennzeichnet, daß die Druckwasserdüsen (29) an der vorderen Kante und/oder die Treibwasserdüsen (28) in einer Reihe nebeneinanderliegend angeordnet sind.
- Vorrichtung nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, daß der Schleppsaugkopf (19) von einer um eine horizontale Achse schwenkbaren Haube (30) abgedeckt wird, deren seitliche und hintere Auflagekante im wesentlichen spaltfrei auf dem Gewässergrund aufliegt.
- Vorrichtung nach Anspruch 14, dadurch gekennzeichnet, daß die Haube (30) mehrteilig ausgeführt ist und schwenkbare oder heb- und senkbare Teilwände zur Anpassung an Gewässergrundunebenheiten aufweist.
- Vorrichtung nach einem der Ansprüche 11 bis 15, dadurch gekennzeichnet, daß die Druckleitung (18) mit einem Absaugschacht (15) des Laderaumes (11) verbunden ist.
- Vorrichtung nach Anspruch 16, dadurch gekennzeichnet, daß der Absaugschacht (15) ein zentraler Schacht ist, der etwa in der Mitte des Laderaumes (11) liegt.
- Vorrichtung nach Anspruch 16 oder 17, dadurch gekennzeichnet, daß das Saugrohr (20) die Feststoff-Wasser-Suspension in zwei an den Laderaumstirnseiten angeordnete Schüttkästen (12) fördert.
- Vorrichtung nach einem der Ansprüche 15 bis 18, dadurch gekennzeichnet, daß der zentrale Absaugschacht (15) über in der Höhe verstellbare Überlaufeinrichtungen verfügt, die vorzugsweise als Ringwehre ausgebildet sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4405451A DE4405451A1 (de) | 1994-02-21 | 1994-02-21 | Verfahren und Vorrichtung zum Absaugen von Gewässergrund |
| DE4405451 | 1994-02-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0668406A1 EP0668406A1 (de) | 1995-08-23 |
| EP0668406B1 true EP0668406B1 (de) | 1999-11-24 |
Family
ID=6510744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95101673A Expired - Lifetime EP0668406B1 (de) | 1994-02-21 | 1995-02-08 | Verfahren und Vorrichtung zum Absaugen von Gewässergrund |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5603171A (de) |
| EP (1) | EP0668406B1 (de) |
| JP (1) | JPH07259121A (de) |
| KR (1) | KR950032922A (de) |
| AU (1) | AU687483B2 (de) |
| DE (2) | DE4405451A1 (de) |
| ES (1) | ES2139103T3 (de) |
| FI (1) | FI950726A7 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025165226A1 (en) * | 2024-02-02 | 2025-08-07 | Ihc Holland Ie B.V. | Trailing suction hopper dredger |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL9400551A (nl) * | 1994-04-07 | 1995-11-01 | Hollandsche Betongroep Nv | Werkwijze alsmede vaartuig voor het behandelen van een waterbodem. |
| NL1003317C2 (nl) * | 1996-06-11 | 1997-12-17 | Bos Kalis Bv | Hopperschip. |
| BE1011285A3 (nl) * | 1997-07-17 | 1999-07-06 | Dredging Int | Sleepkop voor een sleephopperzuiger en werkwijze voor het baggeren met behulp van deze sleepkop. |
| DE19960361A1 (de) * | 1999-12-14 | 2001-06-21 | Krupp Foerdertechnik Gmbh | Schleppkopf für Saugbagger |
| DE10034195C1 (de) * | 2000-07-13 | 2002-04-04 | Luebecker Maschb Gmbh | Baggerpumpe |
| US6751893B2 (en) * | 2000-09-15 | 2004-06-22 | Vermeer Manufacturing Company | Nozzle mount for soft excavation |
| DE10109094A1 (de) * | 2001-02-24 | 2002-09-05 | Luebecker Maschb Gmbh | Kreiselpumpe, insbesondere Baggerpumpe |
| US20050123352A1 (en) * | 2002-02-23 | 2005-06-09 | Peyton Dennis E. | Maintenance apparatuses for permeability improvement in fluid containment basins |
| NL1020521C2 (nl) * | 2002-05-02 | 2003-11-04 | Bos & Kalis Baggermaatsch | Sleepzuiger en sleepkop daarvoor. |
| BE1016291A3 (nl) * | 2004-09-10 | 2006-07-04 | Dredging Int | Sleepkop voor een sleephopperzuiger en werkwijze voor het baggeren met behulp van deze sleepkop. |
| US7526884B2 (en) * | 2005-01-26 | 2009-05-05 | Steven B Taplin | Sediment removal apparatus |
| KR100846228B1 (ko) * | 2008-04-15 | 2008-07-15 | 주식회사 씨엔텍 | 수중 준설토 운반 및 처리방법 |
| US7637696B2 (en) * | 2008-04-30 | 2009-12-29 | Antill Pipeline Construction Co., Inc. | Underwater trenching apparatus |
| BE1018312A3 (nl) * | 2008-09-29 | 2010-08-03 | Dredging Int | Sleepkop voor een sleephopperzuiger en werkwijze voor het baggeren met behulp van deze sleepkop. |
| BE1019522A4 (nl) * | 2010-09-28 | 2012-08-07 | Baggerwerken Decloedt & Zn N V | Baggerinrichting en werkwijze voor het baggeren zonder beschadiging van in de te baggeren bodem aanwezige structuren. |
| GB2495287B (en) * | 2011-10-03 | 2015-03-11 | Marine Resources Exploration Internat Bv | A riser system for transporting a slurry from a position adjacent to the seabed to a position adjacent to the sea surface |
| BE1020372A5 (nl) * | 2012-01-16 | 2013-08-06 | Baggerwerken Decloedt En Zoon | Zuigkop voor een baggerschip en werkwijze voor het baggeren met behulp van zuigkop. |
| NL2022280B1 (nl) | 2017-06-22 | 2022-06-24 | Boskalis Bv Baggermaatschappij | Trailing suction hopper dredger having a recycle system for effluent and method for suction dredging |
| NL2019109B1 (en) | 2017-06-22 | 2019-01-07 | Boskalis Bv Baggermaatschappij | Trailing suction hopper dredger having a recycle system for effluent and method for suction dredging |
| US10167609B1 (en) | 2018-01-12 | 2019-01-01 | Cashman Dredging & Marine Contracting Co., LLC | Carouseling articulated dredge and barge |
| CN109238649A (zh) * | 2018-10-29 | 2019-01-18 | 中船第九设计研究院工程有限公司 | 一种基于耙吸台车专用机构的挖泥船模拟试验方法 |
| CN111395434B (zh) * | 2020-04-20 | 2022-03-18 | 中交疏浚技术装备国家工程研究中心有限公司 | 耙吸挖泥船 |
| US11828042B2 (en) | 2020-05-25 | 2023-11-28 | Wing Marine Llc | Material handling systems and methods |
| US12398532B2 (en) | 2024-01-19 | 2025-08-26 | Wing Marine Llc | Marine vessels and methods of using same |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE187020C (de) * | ||||
| DE364866C (de) * | 1921-05-21 | 1922-12-04 | Pieter Hendrik Van Wienen | Saugbaggerkoerper fuer Saug- und Pressbaggermaschinen, bei denen die Erde durch loeffelartige Werkzeuge aufgehoben wird |
| US1653027A (en) * | 1927-04-11 | 1927-12-20 | Frederic L Ward | Hydraulic excavating apparatus |
| US2125740A (en) * | 1934-12-24 | 1938-08-02 | William H Schacht | Hydraulic excavating device or booster |
| DE1484812B2 (de) * | 1964-02-10 | 1974-12-12 | Wolfram Dr.-Ing. 2400 Luebeck Witt | Schleppsaugkopf |
| DE1816221C3 (de) * | 1968-12-20 | 1974-06-27 | Alois 8000 Muenchen Troendle | Vorrichtung zum Fördern von durch Wasser überdeckten Ablagerungen, insbesondere von Kies od.dgl |
| US3820258A (en) * | 1972-10-31 | 1974-06-28 | W Fahrner | Apparatus and method for dredging retention transport and disposal ofdredged material |
| US3964184A (en) * | 1973-06-25 | 1976-06-22 | Mathieu Thomas A | Method of removing material from a bed of a body of water |
| FR2238035B1 (de) * | 1973-07-18 | 1981-04-17 | Commissariat Energie Atomique | |
| NL175211C (nl) * | 1973-10-15 | 1984-10-01 | Bos Kalis Westminster | Inrichting en werkwijze voor het opzuigen van een grondsuspensie met een transportmedium. |
| US4018483A (en) * | 1974-09-18 | 1977-04-19 | Smith D Kermit | Process and apparatus for dislodging and conveying material from a surface with a positive pressure fluid stream |
| DE2457020C3 (de) * | 1974-12-03 | 1979-11-29 | O & K Orenstein & Koppel Ag Werk Luebeck, 2400 Luebeck | Verfahren und Vorrichtung zum Entleeren von Laderäumen von Wasserfahrzeugen |
| JPS5288501A (en) * | 1976-01-20 | 1977-07-25 | Saito Chiyuuji | Device for pulling up submarine ore by circulating water due to level difference |
| US4141159A (en) * | 1977-03-18 | 1979-02-27 | Summa Corporation | Method and apparatus for deep sea mining |
| NL7704643A (nl) * | 1977-04-28 | 1978-10-31 | Bos Kalis Westminster | Zuigbuisstandregeling. |
| GB1562068A (en) * | 1978-02-10 | 1980-03-05 | Dhv Raadgevend Ing | Dredgingvessel |
| DE2966837D1 (en) * | 1979-11-15 | 1984-04-26 | Ballast Nedam Groep Nv | A method of dredging and dredging implement |
| US4760656A (en) * | 1987-08-11 | 1988-08-02 | East Vernoy A | Placer mining apparatus with puddling nozzle |
| DE3833831A1 (de) * | 1988-10-05 | 1990-04-12 | Stefan Schoell | Absaugvorrichtung fuer gewaesserablagerungen |
| DE3923113A1 (de) * | 1989-07-13 | 1991-01-24 | Telefunken Systemtechnik | Vorrichtung zur entsorgung von durch pumpfaehige stoffe verunreinigten meeres- und seeboeden |
-
1994
- 1994-02-21 DE DE4405451A patent/DE4405451A1/de not_active Withdrawn
-
1995
- 1995-01-30 AU AU11443/95A patent/AU687483B2/en not_active Ceased
- 1995-02-08 DE DE59507261T patent/DE59507261D1/de not_active Expired - Fee Related
- 1995-02-08 ES ES95101673T patent/ES2139103T3/es not_active Expired - Lifetime
- 1995-02-08 EP EP95101673A patent/EP0668406B1/de not_active Expired - Lifetime
- 1995-02-17 FI FI950726A patent/FI950726A7/fi unknown
- 1995-02-17 US US08/389,876 patent/US5603171A/en not_active Expired - Fee Related
- 1995-02-20 JP JP7031183A patent/JPH07259121A/ja active Pending
- 1995-02-21 KR KR1019950003338A patent/KR950032922A/ko not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025165226A1 (en) * | 2024-02-02 | 2025-08-07 | Ihc Holland Ie B.V. | Trailing suction hopper dredger |
| NL2036953B1 (en) * | 2024-02-02 | 2025-08-12 | Ihc Holland Ie Bv | Trailing suction hopper dredger |
Also Published As
| Publication number | Publication date |
|---|---|
| FI950726A0 (fi) | 1995-02-17 |
| FI950726A7 (fi) | 1995-08-22 |
| AU687483B2 (en) | 1998-02-26 |
| ES2139103T3 (es) | 2000-02-01 |
| EP0668406A1 (de) | 1995-08-23 |
| DE59507261D1 (de) | 1999-12-30 |
| KR950032922A (ko) | 1995-12-22 |
| AU1144395A (en) | 1995-08-31 |
| US5603171A (en) | 1997-02-18 |
| DE4405451A1 (de) | 1995-08-31 |
| JPH07259121A (ja) | 1995-10-09 |
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