CN107640278A - Novel high-performance moon pool - Google Patents
Novel high-performance moon pool Download PDFInfo
- Publication number
- CN107640278A CN107640278A CN201710795459.9A CN201710795459A CN107640278A CN 107640278 A CN107640278 A CN 107640278A CN 201710795459 A CN201710795459 A CN 201710795459A CN 107640278 A CN107640278 A CN 107640278A
- Authority
- CN
- China
- Prior art keywords
- moon pool
- performance
- novel high
- moon
- angle
- 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.)
- Pending
Links
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 5
- 238000013016 damping Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 abstract description 7
- 239000011435 rock Substances 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000009826 distribution Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Landscapes
- Earth Drilling (AREA)
Abstract
The present invention relates to novel high-performance moon pool.Including the vertical moon pool through hull, sloped sidewall and the water conservancy diversion angle of wedge are on the quarter provided with the moon pool of side, moon pool step is provided with the moon pool of stem side, the side wall of stem side moon pool is provided with amortisseur bar on the inside of moon pool step with being provided with baffle plate on hull bottom interface and side wall along moon pool width.The present invention can significantly reduce resistance during with moon pool ship's navigation on the basis of construction is easy to, meanwhile, reduce under the operating modes such as shipping work because fluid rocks the hull rolling brought in moon pool, effectively improve ship resistance and performance and economy.
Description
Technical field
The invention belongs to Naval Architecture and Ocean Engineering technical field, and in particular to one kind can reduce ship resistance and ship rolling
Novel high-performance moon pool.
Background technology
In Naval Architecture and Ocean Engineering field, according to ship and marine structure such as drill ship, pipe laying barge, engineering support vessel
Deng operation or functional requirement, can arrange one vertical there is free surface, inside and outside seawater to be connected through hull, intracavitary in hull
Moon pool structure, and the presence of moon pool can make ship with marine structure under navigation and working condition, before fluid in moon pool
Moved afterwards with " the rocking " of left and right, and " piston " motion of vertical direction, cause hull resistance substantially to increase, for from boat or
Towing condition, resistance increase caused by moonpool openings will increase with the increase of the speed of a ship or plane, cause the increase of oil consumption, meanwhile, resistance
Can the quality of performance is related to thruster and Main Engine Selection and rapidity reach requirement.
Further, since rocking for moon pool intracavitary free surface causes 6 frees degree motion of hull more violent, therefore,
In the design phase, it is necessary to for moonpool openings form, Drag reduction devices and subtract the measure of shaking and optimize design, for ship and
The economy and the market competitiveness of marine structure are significant.
Many to the related ends of moonpool openings form and Drag reduction devices both at home and abroad at present, opening form includes side
Shape, circle, ellipse, bench group etc., but generally opening form is limited by its operation function and general layout, and drag reduction is arranged
Alms giver will include closing and the pool wall drag reduction of bottom opening, and the wherein locking device of bottom opening includes hydraulic-driven, distancing
Formula etc., significant effect, its problem is once equipment breaks down, and moonpool openings can not open, for operation, the time and
Financial cost etc. will bring huge loss, and for pool wall Drag reduction devices, current achievement is difficult to apply to actual construction, reason
Including construction process is complicated, cost is too high, structure is difficult to etc., in addition, almost without subtracting the scheme of shaking in moon pool design, because
This, based on equipment availability and overall layout requirements, design one kind is easy to construction and drag reduction, the anti-rolling effect significantly new moon
Pond opening is particularly important.
The content of the invention
The technical problems to be solved by the invention are to provide one kind in the case where not influenceing equipment availability and arrangement, are easy to
The new moon pool of construction, to improve the distribution of moon pool internal pressure, alleviate fluid and enter the whirlpool, caused formed in moon pool
Rock and piston movement, hull resistance caused by maximum reduction exists due to moon pool increase, while reduce in moon pool certainly
By the influence rocked to ship rolling of liquid level.
The present invention is that the technical scheme solved used by its problem is to provide a kind of novel high-performance moon pool, and moon pool is vertical
Through hull, sloped sidewall and the water conservancy diversion angle of wedge are on the quarter provided with the moon pool of side, moon pool platform is provided with the moon pool of stem side
Rank, the side wall of stem side moon pool on hull bottom interface and side wall with being provided with baffle plate, along moon pool width side on moon pool step
To being provided with amortisseur bar.
Further, for described sloped sidewall entire plate to moon pool inner inclination, angle of inclination is less than drilling-production equipment to the moon
Bottom of pond side angle, scope is between 3 ~ 20 °, and the vertical direction of sloped sidewall should be higher than that the seawater scope of freedom.
Further, the angle of the described water conservancy diversion angle of wedge and horizontal plane is not more than 30 °, and width is identical with moon pool width, long
Degree is identical with Collision Bulkhead thickness.
Further, described bottom baffle is set up along moon pool base, using shelf plate structure.
Further, described amortisseur bar is set along captain direction, and structure is the trapezoidal plate or concave square plate of perforate.
By the moonpool openings form of sidewall slope, ensure the working region without interference with drilling device first, next subtracts
The height of free surface, positioned at the sidewall slope of stern-side, changes the side that fluid orthogonal acts on side wall inside small moon pool
Formula, while certain water conservancy diversion effect is played, improve pressure distribution in moon pool, again, construction is easy in the inclination of whole side wall
And structural strengthening, and can effectively prevent the attachment of marine organisms；The water conservancy diversion angle of wedge of stern-side wall and the baffle plate of fore side wall,
Can farthest reduce into the fluid in moon pool, so as to slow down fluid in moon pool rock and piston movement, effective drag reduction；
Amortisseur bar on moon pool step further stops that transverse direction of the seawater in moon pool is rocked, and energy is rocked in consumption, so as to reduce hull
Rolling.
Brief description of the drawings
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the diagrammatic cross-section of the present invention.
Fig. 2 is using certain drill ship as carrier, is put using the profile of present invention opening design and the part of bottom baffle
Big figure.
Fig. 3 is the partial enlarged drawing of the profile and amortisseur bar in Fig. 2 at A-A.
Fig. 4 is the partial enlarged drawing of the profile and amortisseur bar position of opening in Fig. 2 at B-B.
Fig. 5 is the profile at C-C in Fig. 2.
Embodiment
It is described in detail referring to the drawings to inventing involved novel high-performance moon pool.
Fig. 1 is the diagrammatic cross-section of the present invention.Moon pool 1 runs through hull, and incoming is from bow to stern, on the quarter side moon pool 2
Place is provided with sloped sidewall 3 and the water conservancy diversion angle of wedge 4, and moon pool step 5, the side wall of stem side moon pool 8 are provided with stem side moon pool 8
With being provided with baffle plate 6 in hull bottom interface and side wall, moon pool width is provided with amortisseur bar 7 on moon pool step 5.
The sloped sidewall 3 of stern-side moon pool 2, whole plate can effectively reduce free surface face in moon pool to moon pool inner inclination
Product, suppress wave on moon pool maritime interior waters, improve the distribution of moon pool internal pressure, so as to play the effect of drag reduction, its angle of inclination is less than
Drilling-production equipment ensures that the working region of drilling device is not disturbed in the inclination of side wall, scope is at 3 ° ~ 20 ° to moon pool base angle
Between, the vertical direction of sloped sidewall 3 is higher than the seawater scope of freedom.
The water conservancy diversion angle of wedge 4 primarily serves guide functions, reduces fluid and enters inside moon pool 1, improves in moon pool 1 caused by fluid
Whirlpool, rock and piston movement, the bottom angle of wedge is designed with parts subtractive way, and width is identical with the width of moon pool 1, and length is with preventing
Fore peak bulkhead thickness is identical, and the angle of wedge is not more than 30 ° with horizontal plane angle, and this design will increase moonpool openings size at hull bottom, favorably
Strengthen and build in moon pool structure.
The side wall of stem side moon pool 8 is with setting some baffle plates 6 on hull bottom interface and side wall, its length scale is not to do
It is criterion to disturb drilling-production equipment work, and the length of baffle plate 6 in side wall can be longer than lower end-stopping plate in the angular range of permission, width and
Moon pool width is identical.Baffle plate 6 is set up along the base of moon pool 1, can use shelf plate structure.
The inner side of moon pool step 5 is provided with some longitudinal amortisseur bars 7 along moon pool width, and amortisseur bar 7 is the ladder of perforate
Shape plate, transverse design bracket carry out structural strengthening, do not influence drilling-production equipment operation, its length is the length of moon pool step 5, is hindered in addition
The structure of Buddhist nun's bar 7 can also be concave square plate.
Fig. 2 is using certain drill ship as carrier, is put using the profile of present invention opening design and the part of bottom baffle
Big figure.It is 11.2 ° that the top of drilling rod 10 to moon pool bottom edge angle is measured in figure, therefore, the selection of the angle of inclination of sloped sidewall 3
10 °, because extreme draft is 11.5m in all operating modes of drill ship, the vertical height of sloped sidewall 3 elects 12m as, the water conservancy diversion angle of wedge 4 with
Horizontal plane angle is 20 °, and at length to Collision Bulkhead, i.e. 1.4m, the design of the baffle plate 6 of the bottom of moon pool step 5 is it is also contemplated that bore
The top of bar 9 sets 2 pieces of baffle plates, bottom extends 0.3m as first on the basis of former base arrangement to moon pool bottom edge angle
Block baffle plate, away from baseline 1.4m set length be 0.5m shelf plate as second piece of baffle plate, two pieces of baffle plates are every 1.4m
It is respectively provided with bracket reinforcement.
Fig. 3 is the partial enlarged drawing of the profile and amortisseur bar in Fig. 2 at A-A.The width of baffle plate 6 and moon pool width phase
Together, two pieces of baffle plates 6 are arranged in moon pool wall altogether, first piece of vertical scale is only 0.3m, convection body enter inside moon pool play it is slow
Solution acts on, and second piece of vertical scale of baffle plate 6 is 0.5m, suppresses fluid again and enters moon pool, the amortisseur bar 7 of lateral arrangement has
The transverse direction that effect adds fluid in moon pool rocks damping, so as to reduce hull rolling.
Fig. 4 is the partial enlarged drawing of the profile and amortisseur bar position of opening in Fig. 2 at B-B.It can be seen that due to inclining
The presence of oblique side wall 3, the free surface in moon pool are obviously reduced.
Fig. 5 is the profile at C-C in Fig. 2.The width of sloped sidewall 3 and the water conservancy diversion angle of wedge 4 is moon pool width, can whole plate
Processing is built, and the water conservancy diversion angle of wedge 4 more directly exports fluid along hull bottom.
In the present embodiment, calculate under 9.5m drinking water 12kn speed of a ship or plane operating modes, no Optimal improvements moon pool is contrasted, using this patent
Hull resistance reduce 4.51%, the pressure rise of the whirlpool low-pressure area formed at stern inside moon pool, due to low-pressure area
Free surface caused by swabbing action reduces improving situation, and free surface fluctuation is gentler.
In summary, using novel high-performance moon pool, on the basis of construction is easy to, band moon pool ship can significantly be reduced
Resistance when oceangoing ship navigates by water, meanwhile, reduce under the operating modes such as shipping work because fluid rocks the hull rolling brought in moon pool, have
Effect improves ship resistance and performance and economy.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only used for illustrating
With the purpose of explanation, and it is not intended to limit the invention in the range of described embodiment.For the technology of the art
For personnel, on the premise of the technology of the present invention, design principle is not departed from, some improvement and modification can be also made, these improvement
Also it be should be regarded as with modification within protection scope of the present invention.
Claims (5)
1. novel high-performance moon pool, moon pool（1）It is vertical through hull, it is characterised in that side moon pool on the quarter（2）Place is provided with
Sloped sidewall（3）And the water conservancy diversion angle of wedge（4）, in stem side moon pool（8）Place is provided with moon pool step（5）, stem side moon pool（8）Side
Wall on hull bottom interface and side wall with being provided with baffle plate（6）, in moon pool step（5）On moon pool width is provided with damping
Bar（7）.
2. novel high-performance moon pool according to claim 1, it is characterised in that described sloped sidewall（3）Entire plate to
Moon pool（1）Inner inclination, angle of inclination are less than drilling-production equipment to moon pool base angle, and scope is between 3 ~ 20 °, and sloped sidewall
（3）Vertical direction be higher than the seawater scope of freedom.
3. novel high-performance moon pool according to claim 1, it is characterised in that the described water conservancy diversion angle of wedge（4）With horizontal plane
Angle is no more than 30 °, width and moon pool（1）Width is identical, and length is identical with Collision Bulkhead thickness.
4. novel high-performance moon pool according to claim 1, it is characterised in that described baffle plate（6）Along moon pool（1）Base
Arrangement upwards, using shelf plate structure.
5. novel high-performance moon pool according to claim 1, it is characterised in that described amortisseur bar（7）Along captain direction
Set, structure is the trapezoidal plate or concave square plate of perforate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795459.9A CN107640278A (en) | 2017-09-06 | 2017-09-06 | Novel high-performance moon pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710795459.9A CN107640278A (en) | 2017-09-06 | 2017-09-06 | Novel high-performance moon pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107640278A true CN107640278A (en) | 2018-01-30 |
Family
ID=61111291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710795459.9A Pending CN107640278A (en) | 2017-09-06 | 2017-09-06 | Novel high-performance moon pool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107640278A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749998A (en) * | 2018-05-23 | 2018-11-06 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Diving moon pool and ship |
| CN109795635A (en) * | 2019-02-27 | 2019-05-24 | 招商局重工（江苏）有限公司 | A kind of drag reduction partition and its design method |
| CN113184108A (en) * | 2021-05-25 | 2021-07-30 | 天津大学 | Do benefit to pipe laying ship moon pool of drag reduction and optimize structure |
| CN113232765A (en) * | 2021-05-25 | 2021-08-10 | 天津大学 | Hollow device for reducing additional resistance of moon pool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202935532U (en) * | 2012-11-21 | 2013-05-15 | 中国船舶工业集团公司第七〇八研究所 | Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship |
| KR20130075960A (en) * | 2011-12-28 | 2013-07-08 | 삼성중공업 주식회사 | Moonpool of dual structure |
| KR20140028324A (en) * | 2012-08-28 | 2014-03-10 | 현대중공업 주식회사 | Anti-sloshing structure in moon-pool |
| WO2016178575A1 (en) * | 2015-05-04 | 2016-11-10 | Gustomsc Resources B.V. | A vessel provided with a moon pool |
| CN207389454U (en) * | 2017-09-06 | 2018-05-22 | 中远海运重工有限公司 | A kind of novel high-performance moon pool |
-
2017
- 2017-09-06 CN CN201710795459.9A patent/CN107640278A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130075960A (en) * | 2011-12-28 | 2013-07-08 | 삼성중공업 주식회사 | Moonpool of dual structure |
| KR20140028324A (en) * | 2012-08-28 | 2014-03-10 | 현대중공업 주식회사 | Anti-sloshing structure in moon-pool |
| CN202935532U (en) * | 2012-11-21 | 2013-05-15 | 中国船舶工业集团公司第七〇八研究所 | Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship |
| WO2016178575A1 (en) * | 2015-05-04 | 2016-11-10 | Gustomsc Resources B.V. | A vessel provided with a moon pool |
| CN207389454U (en) * | 2017-09-06 | 2018-05-22 | 中远海运重工有限公司 | A kind of novel high-performance moon pool |
Non-Patent Citations (1)
| Title |
|---|
| 李志雨: "钻井船月池流场与阻力数值预报方法和回归分析研究" * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749998A (en) * | 2018-05-23 | 2018-11-06 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Diving moon pool and ship |
| CN108749998B (en) * | 2018-05-23 | 2020-07-31 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Diving moon pool and ship |
| CN109795635A (en) * | 2019-02-27 | 2019-05-24 | 招商局重工（江苏）有限公司 | A kind of drag reduction partition and its design method |
| CN113184108A (en) * | 2021-05-25 | 2021-07-30 | 天津大学 | Do benefit to pipe laying ship moon pool of drag reduction and optimize structure |
| CN113232765A (en) * | 2021-05-25 | 2021-08-10 | 天津大学 | Hollow device for reducing additional resistance of moon pool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107640278A (en) | Novel high-performance moon pool | |
| US7918174B2 (en) | Anti-sloshing device in moon-pool | |
| KR102169903B1 (en) | Navicular structure | |
| JP5214808B2 (en) | Moon pool and drilling ship equipped with the same | |
| US8960116B2 (en) | Dual draft crane vessel | |
| CN102438885B (en) | The reduction impedance means of moon pool | |
| CN202935532U (en) | Moon pool capable of reducing sailing resistance of drilling ship and shipping waves of midship | |
| CN104340331A (en) | Device for reducing navigation resistance on ship with moon pool | |
| CN106394822A (en) | Ship retractable type bilge keel device using guide rails | |
| CN207389454U (en) | A kind of novel high-performance moon pool | |
| WO2014059783A1 (en) | Sandglass type ocean engineering floating structure | |
| CN207758970U (en) | A kind of extension type heave plate water conservancy diversion closure assembly | |
| CN102171093B (en) | Hull form intended for vessels provided with an air cavity | |
| CN203864916U (en) | Deep V wave crossing catamaran type | |
| CN105416521A (en) | Platform moon pool damping device | |
| CN104787262A (en) | Tumbler ship model | |
| CN102745304A (en) | Ship with knuckle line and internal rotational fin tail | |
| KR20140029761A (en) | Low-speed full ship having reduced bilge area | |
| CN205589429U (en) | Platform moon pool fairing | |
| CN203864954U (en) | Adjustable horizontal tail plate for wave piercing catamaran | |
| CN203888994U (en) | Novel ship bow | |
| KR101301572B1 (en) | Water catcher device of ship's moonpool | |
| KR101793959B1 (en) | Semi-submersible drill rig with wide column span and lowered derrick | |
| CN206087225U (en) | Flotation tank | |
| CN204124316U (en) | A kind of double hull |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180130 |