CN102261086B - Non-mudhold double-body drag suction dredger and construction method thereof - Google Patents
Non-mudhold double-body drag suction dredger and construction method thereof Download PDFInfo
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- CN102261086B CN102261086B CN 201010189097 CN201010189097A CN102261086B CN 102261086 B CN102261086 B CN 102261086B CN 201010189097 CN201010189097 CN 201010189097 CN 201010189097 A CN201010189097 A CN 201010189097A CN 102261086 B CN102261086 B CN 102261086B
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Abstract
The invention provides a non-mudhold double-body drag suction dredger and a construction method thereof and relates to dredging equipment and a construction method thereof. The technical scheme is that: the drag suction dredger equipped with a propelling device, drag suction dredging systems, a boat-loading system, deck machinery and a mud boat binding device is used for dredging and taking sand. The invention is characterized in that: the drag suction dredger is a non-mudhold double-body drag suction dredger; the dug sand is loaded into a selfpropelled mud boat anchored between two boat bodies of the drag suction dredger through the boat-loading system arranged on decks of the boat bodies on the two sides; and after being loaded, the mud boats are conveyed to the dredge filling position in a selfpropelled mode. The non-mudhold double-body drag suction dredger and the construction method thereof can be applied to large-scale dredge filling projects and sand-taking projects in abyssal regions far away from coasts.
Description
Technical field
The present invention relates to the extensive Dredger Filling Engineering dredging plant of overlength haul distance and job practices.
Background technology
Reclaiming fields from the sea is an important ocean engineering in the human ocean development activity, is human exploring more opportunity for survival to the ocean and a kind of important means in production space.Along with the continuous increase of the whole world to demand of land resources, the land reclamation engineering is all being carried out in all parts of the world.Because modernized trailing suction hopper dredger integrates functions such as digging, transport, throw, blow, be that coastal large-scale land-based area forms the main force's dredging plant in the engineering for a long time always.The needs of building in order to satisfy large-scale dredging and Dredger Filling Engineering, trailing suction hopper dredger is constantly to large scale development.But the cost of ultra-large type trailing suction hopper dredger is very expensive, and a volume of compartment is 30,000m
3The cost of ultra-large type trailing suction hopper dredger up to 2.2 hundred million Euros.In addition, the scale effect of dredging plant neither be endless, and the yardstick of trailing suction hopper dredger also can be subject to the constraint of the conditions such as the on-the-spot depth of water, dimensions of the channel and can only be limited in certain scale.
Along with the continuous exhaustion in husky source, coastal waters and to the concern of environmental protection, the Deepwater Open Sea zone away from seashore will be constantly shifted in the husky source of Dredger Filling Engineering from now on.Therefore, reach hundreds of nautical miles large-scale Dredger Filling Engineering for engineering quantity up to several hundred million cubic meters and haul distance, the scale effect that only relies on trailing suction hopper dredger to maximize can't reach the purpose that improves dredging efficiency and reduce the dredging unit price.Because integrating the trailing suction hopper dredger of functions such as digging, transport, throw, blow, to use its expensive dredging plant to carry out the time proportion of dredging operation in whole duty cycle very little, most of the time has to carry out the long-distance transportation operation of silt as a bulk carrier, its most important dredging function can't be fully used.
For a difficult problem that effectively solves large-scale Dredger Filling Engineering overlength haul distance, the further utilization rate that reduces the dredging unit price and improve dredging plant, must start a kind of novel trailing suction hopper dredger and new operating type.
Summary of the invention
The problem that the present invention need to solve is a kind of novel dredging mode without spoil hopper binary trailing suction hopper dredger and the optimum organization of self-propelled hopper fleet of design, makes it get the utilization rate that reduces the dredging unit price in the sand dredging works and improve dredging plant at remote, overlength distance.
Technical scheme of the present invention adopts and is equipped with trailing suction hopper dredger that propulsion plant, trailing suction dredging system and dress refute system, deck machinery and bind the device of hopper and dredges and get the sand operation, it is characterized in that this trailing suction hopper dredger is without the bilateral trailing suction hopper dredger of spoil hopper binary, the silt particle that excavates is refuted system and is packed in the self-propelled hopper of mooring between trailing suction hopper dredger two hulls by being arranged on dress on the deck in ship structure of both sides, after hopper loads from navigating to the hydraulic reclamation place.
Outstanding feature of the present invention is that trailing suction hopper dredger self is without spoil hopper, but by twin hull structure or the built-in hopper of middle fluting pattern, dredging operation can be separated with the hauling operation of dredging thing, and get outstanding difference that husky dress refutes construction technology abroad and be that this dredge boat refutes the silt particle that excavates system and pack in the hopper of mooring between the dredge boat catamaran hull by being separately positioned on dress on the deck in ship structure of both sides, after hopper is fully loaded from walking to away from the hydraulic reclamation place of getting the sand scene.Because hopper is that mooring is between the binary of dredge boat, break through traditional approach the hopper alongside is refuted mode at the dress in the dredge boat outside, without the superperformance feature in the spoil hopper binary trailing suction hopper dredger stormy waves, can so that the operating condition under the severe sea condition be improved, simultaneously owing to implementing the job execution of two rake, but be conducive to improve efficiency of construction and prolongation activity duration, its work efficiency obviously is higher than the dress of present external single rake dredge boat and refutes operation.In whole operation process, as long as haul distance and output requirement according to Dredger Filling Engineering, be equipped with the transportation by lighter fleet that quantity adapts with it, just can make this type trailing suction hopper dredger carry out continuously special project in the duration in regulation and get the sand operation, bring into play to greatest extent its dredging function, dredging output is greatly improved, the dredging cost is obviously reduced.At the extensive Dredger Filling Engineering of overlength haul distance, replace the sand transport of conventional trailing suction hopper dredger with transportation by lighter, can reduce the demand to the ultra-large type trailing suction hopper dredger quantity that involves great expense.And self also need not arrange the bank device without spoil hopper this dredge boat, shallow draft feature without the spoil hopper trailing suction hopper dredger is fairly obvious, greatly reduced the restriction to the dredging scope, inhaling ship with large-scale ultra-large type rake now compares, advantage with shallow draft and operating flexibility, its cost also are starkly lower than the trailing suction hopper dredger suitable with its scale.
Description of drawings
What Fig. 1 represented is to inhale the ship schematic diagram without spoil hopper binary rake.
What Fig. 2 represented is to get husky dress without spoil hopper binary rake suction ship to refute the operation schematic diagram.
The specific embodiment
Adopt bow connecting bridge and superstructure 1 thereof, ship midship link, afterbody connecting frame 3 and by the longitudinal beam structure two larger hulls of separation distance are linked to be without spoil hopper binary trailing suction hopper dredger (referring to Fig. 1, Fig. 2) and be rigidly connected.
Stem is that bulb bow can improve navigation performance.Stem is provided with lateral thruster 10, to improve the dynamic positioning ability, helps between hopper turnover binary.Propulsion plant divides and is located at two afterbodies, and afterbody propeller 7 adopts variable-pitch airscrews, to strengthen the maneuvering performance of this ship, makes things convenient for the safety turnover of hopper.The ship stern adopts the design of skeg ship stern, and two hull sterns all have a tail fin, can strengthen stern structure intensity, makes things convenient between hopper turnover binary and protection propeller and rudder.
Ship postmedian position arranges respectively main frame in the cabin, auxiliary generator group and high-pressure flush pump.
Two trailing suction dredging systems are set on the deck.Ship midships section position is striden stepped type loop wheel machine 2 is set between the hull of both sides, in order to serve the maintenance work of full ship.In deck in ship structure inboard, both sides dress is set and refutes system 9 and deck machinery; Arranged outside rake arm and suspension bracket 8 thereof.
Deep water is got husky need to the use the long-armed of submersible pump is installed, and bow is established two dredge pumps in the hull of both sides, and the head of dredge pump puts the installation that also is conducive to long rake arm, digs deeply with increase.Dredge pump adopts electric type of drive, not only is conducive to the smooth working of dredge pump, has also increased simultaneously the flexibility that pump room is arranged, is conducive to the balance of vertical floading condition.
Hull two inboards arrange the fast hydraulic pressure coupling arrangement for binding hopper device 4, hopper 11 is connected fast with catamaran, be firm and fast connection, adopt hydraulic clip jaw type coupling, after coupling is pushed clamp each connection guide pillar of hopper to by hydraulic cylinder, close clamp, because the guide pillar of hopper has certain free height, the drinking water variation that can satisfy the hopper loading process moves up and down; The Tongs device attached to crane for ship building inboard has radian can allow the certain trim of hopper and heel in addition.
Hopper mooring to be installed is between two lamellar bodies of dredge boat.When avoiding hopper to come in and go out between the hull of both sides and the collision of dredge boat hull, inboard and corner arranges rolling rubber safety fender and rubber cylinder formula snubber 5,6 at dredge boat both sides hull stern end.When hopper enters between hull behind the correct position, the pipe bending cylinder of snubber is with rubber cylinder top side of a ship to hopper outside, clamping hopper.To make things convenient for the accurate alignment guide post of hydraulic clip jaw type coupling.Such layout helps to satisfy the longitudinal balance of hull, and the drinking water variation of satisfying the hopper loading process moves up and down.
Without spoil hopper binary trailing suction hopper dredger with after self propelled barge connects, trailing suction hopper dredger and self-propelled hopper can be united propelling when dredging operation or navigation.
Self-propelled hopper can adopt the hull with V-type spoil hopper to drive the body hopper, so that the throwing of silt is unloaded, also can adopt the bottom to be provided with the hopper of mud door.In addition, in order to improve the useful load of hopper, overflow mechanism should be set in spoil hopper, in order in the stowage process low concentration mud is discharged outboard.
Carry out according to the following steps without spoil hopper binary trailing suction hopper dredger and supporting hopper construction technology:
1, proceeded to without in the middle of the spoil hopper binary trailing suction hopper dredger catamaran hull by empty hopper, after hopper is in place, connect with hopper with without spoil hopper binary rake suction ship by fastening devices.
2, arrive at the sand scene of getting without spoil hopper binary trailing suction hopper dredger with empty hopper.To be positioned at dress on the hull of both sides without spoil hopper binary trailing suction hopper dredger and refute the top that the mud pipe of system is transferred to the hopper spoil hopper, and subsequently two rake arms be transferred to the seabed and in the navigation process, get sand and to the hopper operation of shipping.
3, first hopper sails out of without spoil hopper binary rake suction ship after finishing the stowage task, inhales ship without spoil hopper binary rake and packs up two side-delivery rakes suction arm.Another empty hopper alongside is being inhaled between ship two hulls without spoil hopper binary rake.
4, empty hopper connects by fastening devices with without spoil hopper binary rake suction ship, carries hopper secretly without spoil hopper binary rake suction ship and carries out the husky operation of getting of another.
Claims (7)
1. one kind without spoil hopper binary trailing suction hopper dredger job practices, the trailing suction hopper dredger that adopts equipment propulsion plant, trailing suction dredging system and dress to refute system, deck machinery and bind the hopper device is dredged and is got the sand operation, it is characterized in that this trailing suction hopper dredger is without the bilateral trailing suction hopper dredger of spoil hopper binary, the silt particle that excavates is refuted system and is packed in the self-propelled hopper of mooring between trailing suction hopper dredger two hulls by being arranged on dress on the deck in ship structure of both sides, after hopper loads from navigating to the hydraulic reclamation place.
2. according to claim 1 a kind of without spoil hopper binary trailing suction hopper dredger job practices, it is characterized in that this trailing suction hopper dredger stem is bulb bow, stem is provided with lateral thruster; The afterbody propeller adopts variable-pitch airscrew, and the ship stern has skeg.
3. according to claim 1 a kind of without spoil hopper binary trailing suction hopper dredger job practices, it is characterized in that this trailing suction hopper dredger bow in the hull of both sides establishes two dredge pumps.
4. according to claim 1 a kind of without spoil hopper binary trailing suction hopper dredger job practices, it is characterized in that the hopper device that binds of this trailing suction hopper dredger is hydraulic clip jaw type coupling.
5. according to claim 1 a kind of without spoil hopper binary trailing suction hopper dredger job practices, it is characterized in that hull stern end inboard, dredge boat both sides and corner arrange rolling rubber safety fender and rubber cylinder formula snubber.
6. according to claim 1 a kind of without spoil hopper binary trailing suction hopper dredger job practices, trailing suction hopper dredger and self-propelled hopper are united propelling when it is characterized in that dredging operation or navigation.
7. according to claim 1 a kind of without spoil hopper binary trailing suction hopper dredger job practices, it is characterized in that self-propelled hopper adopts the hull with V-type spoil hopper to drive the hopper that body hopper or bottom are provided with the mud door, the spoil hopper of hopper arranges overflow mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010189097 CN102261086B (en) | 2010-05-31 | 2010-05-31 | Non-mudhold double-body drag suction dredger and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010189097 CN102261086B (en) | 2010-05-31 | 2010-05-31 | Non-mudhold double-body drag suction dredger and construction method thereof |
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| CN102261086A CN102261086A (en) | 2011-11-30 |
| CN102261086B true CN102261086B (en) | 2013-01-02 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276261A (en) * | 2014-08-07 | 2015-01-14 | 耿全水 | Two-arm vessel |
| CN104275997A (en) * | 2014-08-07 | 2015-01-14 | 耿全水 | Four-arm vessel |
| CN104276262A (en) * | 2014-08-07 | 2015-01-14 | 耿全水 | Long arm ship |
| CN104607877A (en) * | 2014-12-31 | 2015-05-13 | 广州文冲船厂有限责任公司 | Self-empty mud door manufacturing process |
| CN107366257B (en) * | 2017-05-24 | 2022-09-06 | 中交(天津)疏浚工程有限公司 | Remote sand taking and throwing construction process |
| CN109137943B (en) * | 2018-08-28 | 2020-06-23 | 中交上海航道局有限公司 | Earth filling construction process for sea reclamation |
| CN111731688A (en) * | 2020-06-30 | 2020-10-02 | 海南河道综合整治工程有限公司 | Machine-made sand processing device of sand making boat on water |
| CN113931244B (en) * | 2021-10-28 | 2023-03-21 | 广州文冲船厂有限责任公司 | Trailing suction dredger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2548901Y (en) * | 2002-06-11 | 2003-05-07 | 中国船舶工业第708研究所 | Single oar and single rudder dredger |
| AU2005200784A1 (en) * | 2004-02-19 | 2005-09-08 | Dredeco Pty Ltd. | Drag-head and hopper dredger |
| CN2883498Y (en) * | 2006-04-18 | 2007-03-28 | 中交上海航道局有限公司 | Self-navigation drag suction dredger with double overflow mud cabin |
| EP2236679A2 (en) * | 2009-06-12 | 2010-10-06 | Thorsten Bolls | Method for sediment transport excavation and trailing suction dredger for executing the method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5237018B2 (en) * | 2008-08-21 | 2013-07-17 | 株式会社小島組 | Earth and sand supply equipment |
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2010
- 2010-05-31 CN CN 201010189097 patent/CN102261086B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2548901Y (en) * | 2002-06-11 | 2003-05-07 | 中国船舶工业第708研究所 | Single oar and single rudder dredger |
| AU2005200784A1 (en) * | 2004-02-19 | 2005-09-08 | Dredeco Pty Ltd. | Drag-head and hopper dredger |
| CN2883498Y (en) * | 2006-04-18 | 2007-03-28 | 中交上海航道局有限公司 | Self-navigation drag suction dredger with double overflow mud cabin |
| EP2236679A2 (en) * | 2009-06-12 | 2010-10-06 | Thorsten Bolls | Method for sediment transport excavation and trailing suction dredger for executing the method |
Non-Patent Citations (1)
| Title |
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| JP特开2010-47959A 2010.03.04 |
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