CN201670342U - Desilting structure inside large ship water ballast tank - Google Patents

Desilting structure inside large ship water ballast tank Download PDF

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Publication number
CN201670342U
CN201670342U CN2010201918520U CN201020191852U CN201670342U CN 201670342 U CN201670342 U CN 201670342U CN 2010201918520 U CN2010201918520 U CN 2010201918520U CN 201020191852 U CN201020191852 U CN 201020191852U CN 201670342 U CN201670342 U CN 201670342U
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China
Prior art keywords
vertical bone
large ship
discharge orifice
adjacent
ship
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Expired - Lifetime
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CN2010201918520U
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Chinese (zh)
Inventor
薛国良
潘志远
井上幸也
沈亚明
孙启荣
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Nantong Cosco KHI Ship Engineering Co Ltd
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Nantong Cosco KHI Ship Engineering Co Ltd
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Priority to CN2010201918520U priority Critical patent/CN201670342U/en
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Publication of CN201670342U publication Critical patent/CN201670342U/en
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Abstract

The utility model discloses a desilting structure inside a large ship water ballast tank, which comprises a ship bottom board, a plurality of rib boards, a plurality of longitudinal beams and a plurality of drain holes. The rib boards are arranged in parallel on the ship bottom board along the direction of the width of a ship equidistantly, the longitudinal beams are arranged between adjacent rib boards in parallel along the direction of the length of the ship equidistantly, the equidistant drain holes are arranged on the longitudinal beams, and the drain holes on each adjacent longitudinal beams are in displacement arrangement, in other words, the drain holes on each adjacent longitudinal beams are not on the same cross section. The desilting structure effectively removes accumulated silts inside the ballast tank, relieves labor intensity of shipman removing the silts, and improves economical benefits of running the ship.

Description

Remove silt structure in a kind of large ship ballast chamber
Technical field
The utility model relates to a kind of shipbuilding field, is specifically related to the silt structure of removing in a kind of large ship ballast chamber.
Background technology
Harbours such as the frequent alongside of large ship Ningbo, Zhoushan, Shanghai, this marine site seawater silt content is high.Each flight number of large ship all will be at the seawater of tens thousand of tons of muddinesses of this zone ballast, and all with the mud of following tens tons even hundreds of tons of accumulation, these mud are difficult to be discharged to outboard with ballast water in every flight number ballast tank.Accumulate over a long period, the mud in several years rear decks will reach the height of bottom skeleton, reduce the carrying capacity of about thousands of tons of even up to ten thousand tons.The defectives such as burn into fold, flexing or fracture of ship structure again can't be checked in the position that mud is piled up.When minimizing vessel carrying capacity reduction shipowner runs income, increased the security risk of boats and ships operations.
General every rib only is provided with the discharge orifice about two in the scope on the vertical bone of existing ballast tank double bottom outside plate, and during the ballast water exchange, the transverse flow poor-performing can't effectively take up the mud of deposition and wash away.
Summary of the invention
Goal of the invention: the utility model is in order to overcome the deficiencies in the prior art, the silt structure of removing in a kind of large ship ballast chamber to be provided.
The technical solution adopted in the utility model is: remove silt structure in a kind of large ship ballast chamber, comprise bottom plating, floor, vertical bone and discharge orifice, described bottom plating upper edge beam direction, parallel, spaced set have the polylith floor, along captain's direction, parallel, spaced set many vertical bones are arranged between the described adjacent floor, described vertical bone is provided with a plurality of equally spaced discharge orifices, and the discharge orifice on the adjacent vertical bone shifts to install, and the discharge orifice on the promptly adjacent vertical bone is not on same bench section.
The utility model utilizes the rolling of boats and ships, and the ballast water transverse flow of bilge certain depth produces turbulent flow, washes away bottom sludge, drives the silt of deposition, by the exchange of water, discharges the mud of the bilge.When the discharge orifice on the adjacent vertical bone shifted to install, the scope of washing away was provided with big many than coordination.
Because the distance between floor is about 5 meters, when spacing hour, on the inherent adjacent vertical bone of each rib position scope 3 and 4 discharge orifices are set respectively; When spacing is big, on the inherent adjacent vertical bone of each rib position scope 4 and 5 discharge orifices are set respectively.
As preferably, the discharge orifice dislocation distance on the described adjacent vertical bone be on the same vertical bone adjacent discharge orifice spacing 1/2, the mud scouring effect that is reached at this moment is best.
Described preferred, described discharge orifice is the elliptic flow water hole.
Beneficial effect: the utility model actv. has been removed the mud of piling up in ballast tank, has alleviated the labour intensity of the clear mud of crewman, has improved the economic benefit of shipping transport.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 overlooks the discharge orifice arrangement plan for Fig. 1's.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described further:
As illustrated in fig. 1 and 2: remove silt structure in a kind of large ship ballast chamber, comprise bottom plating 1, floor 2, vertical bone 3 and discharge orifice 4, described bottom plating 1 upper edge beam direction, parallel, spaced set have polylith floor 2, along captain's direction, parallel, spaced set many vertical bones 3 are arranged between the described adjacent floor 2, described vertical bone 3 is provided with a plurality of equally spaced discharge orifices 4, and the discharge orifice 4 on the adjacent vertical bone 3 shifts to install, and the discharge orifice 4 on the promptly adjacent vertical bone 3 is not on same bench section.
On the inherent adjacent vertical bone 3 of each rib position scope 4 and 5 discharge orifices 4 are set respectively, discharge orifice 4 dislocation on the described adjacent vertical bone 3 apart from be on the same vertical bone 3 adjacent discharge orifice 4 spacings 1/2, described discharge orifice 4 is the elliptic flow water hole.

Claims (5)

1. remove silt structure in the large ship ballast chamber, it is characterized in that: comprise bottom plating (1), floor (2), vertical bone (3) and discharge orifice (4), described bottom plating (1) upper edge beam direction, parallel, spaced set has polylith floor (2), between the described adjacent floor (2) along captain's direction, parallel, spaced set has many vertical bones (3), described vertical bone (3) is provided with a plurality of equally spaced discharge orifices (4), and the discharge orifice (4) on the adjacent vertical bone (3) shifts to install, and the discharge orifice (4) on the promptly adjacent vertical bone (3) is not on same bench section.
2. remove silt structure in a kind of large ship ballast chamber according to claim 1, it is characterized in that: on each inherent adjacent vertical bone of rib position scope (3) 4 and 5 discharge orifices (4) are set respectively.
3. remove silt structure in a kind of large ship ballast chamber according to claim 1, it is characterized in that: on each inherent adjacent vertical bone of rib position scope (3) 3 and 4 discharge orifices (4) are set respectively.
4. remove silt structure in a kind of large ship ballast chamber according to claim 1, it is characterized in that: discharge orifice (4) the dislocation distance on the described adjacent vertical bone (3) is 1/2 of adjacent discharge orifice (4) spacing on the same vertical bone (3).
5. remove silt structure in a kind of large ship ballast chamber according to claim 1, it is characterized in that: described discharge orifice (4) are the elliptic flow water hole.
CN2010201918520U 2010-05-17 2010-05-17 Desilting structure inside large ship water ballast tank Expired - Lifetime CN201670342U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201918520U CN201670342U (en) 2010-05-17 2010-05-17 Desilting structure inside large ship water ballast tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201918520U CN201670342U (en) 2010-05-17 2010-05-17 Desilting structure inside large ship water ballast tank

Publications (1)

Publication Number Publication Date
CN201670342U true CN201670342U (en) 2010-12-15

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CN (1) CN201670342U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954963A (en) * 2010-05-17 2011-01-26 南通中远川崎船舶工程有限公司 Sludge removing structure in large ship ballast water tank
JP2014131894A (en) * 2013-01-07 2014-07-17 Nippon Steel & Sumitomo Metal Oil tank of tanker
CN104527929A (en) * 2014-12-30 2015-04-22 广州文冲船厂有限责任公司 Water ballast tank anti-sediment structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101954963A (en) * 2010-05-17 2011-01-26 南通中远川崎船舶工程有限公司 Sludge removing structure in large ship ballast water tank
CN101954963B (en) * 2010-05-17 2013-01-16 南通中远川崎船舶工程有限公司 Sludge removing structure in large ship ballast water tank
JP2014131894A (en) * 2013-01-07 2014-07-17 Nippon Steel & Sumitomo Metal Oil tank of tanker
CN104527929A (en) * 2014-12-30 2015-04-22 广州文冲船厂有限责任公司 Water ballast tank anti-sediment structure
CN104527929B (en) * 2014-12-30 2017-04-05 广州文冲船厂有限责任公司 A kind of anti-alluvial structure of ballast tank

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20101215

Effective date of abandoning: 20130227

RGAV Abandon patent right to avoid regrant