CN112193359A - Novel moon pool anti-rolling wave-absorbing wall - Google Patents
Novel moon pool anti-rolling wave-absorbing wall Download PDFInfo
- Publication number
- CN112193359A CN112193359A CN202010970488.6A CN202010970488A CN112193359A CN 112193359 A CN112193359 A CN 112193359A CN 202010970488 A CN202010970488 A CN 202010970488A CN 112193359 A CN112193359 A CN 112193359A
- Authority
- CN
- China
- Prior art keywords
- wave
- wall
- absorbing
- moon pool
- vertical
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/005—Equipment to decrease ship's vibrations produced externally to the ship, e.g. wave-induced vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B3/00—Hulls characterised by their structure or component parts
- B63B3/14—Hull parts
- B63B2003/147—Moon-pools, e.g. for offshore drilling vessels
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a novel moon pool anti-rolling wave-absorbing wall which is arranged on the side wall of the short edge of a moon pool and comprises a vertical anti-rolling wave-absorbing wall vertically arranged in front of the side wall of the short edge of the moon pool at a certain interval, a horizontally arranged horizontal anti-rolling wave-absorbing wall is arranged between the vertical anti-rolling wave-absorbing wall and the side wall of the short edge of the moon pool, and a plurality of holes are respectively arranged on the vertical anti-rolling wave-absorbing wall and the horizontal anti-rolling wave-absorbing wall. Compared with the prior art, the design of the invention can more effectively avoid the resonance of the moon pool and achieve better wave-absorbing and anti-rolling effects; the two layers of vertically arranged anti-rolling wave-absorbing walls can reduce the slapping of transverse waves to the ship body to a greater extent, and the three layers of horizontally arranged anti-rolling wave-absorbing walls can slow down the vertical movement of the moon pool, so that the effects of anti-rolling wave-absorbing and protecting the ship body are finally achieved.
Description
Technical Field
The invention relates to a moon pool wave damping device, in particular to a novel moon pool wave damping wall.
Background
The moon pool is mainly present in the drill ship, and serious threats are caused to the side wall of the moon pool and even the entire hull structure due to water sloshing in the moon pool when the drill ship is in operation. When the actual drilling ship works in the sea, the sea environment is severe because the actual drilling ship is often influenced by storms, and the moonpool existing in the marine structure body can pose great threats to the stability and the safety of the whole structure body. Meanwhile, in actual work, water in the moon pool mainly shakes along the long edge direction, so that the impact on the short edge is larger. Meanwhile, in the working process of the marine structure, the sloshing of water in the moon pool can cause the sloshing of the structure such as a drill ship due to the impact on the structure, and the sloshing of the structure can cause discomfort such as seasickness and other reactions to constructors working on the structure. Therefore, a sway damping device capable of minimizing the influence of the sloshing water waves in the moon pool is important.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel moon pool wave-damping wall.
The purpose of the invention can be realized by the following technical scheme:
a novel moon pool anti-rolling wave-absorbing wall is arranged on a short side wall of a moon pool and comprises a vertical anti-rolling wave-absorbing wall vertically arranged in front of the short side wall of the moon pool at a certain distance, a horizontally arranged horizontal anti-rolling wave-absorbing wall is arranged between the vertical anti-rolling wave-absorbing wall and the short side wall of the moon pool, and a plurality of holes are respectively formed in the vertical anti-rolling wave-absorbing wall and the horizontal anti-rolling wave-absorbing wall;
the horizontal anti-rolling wave-absorbing wall is provided with a plurality of layers which are arranged at certain intervals on the short side wall of each side of the moon pool;
the vertical anti-rolling wave-absorbing wall comprises a first layer of vertical anti-rolling wave-absorbing wall and a second layer of vertical anti-rolling wave-absorbing wall, the horizontal anti-rolling wave-absorbing wall is arranged between the first layer of vertical anti-rolling wave-absorbing wall and the side wall of the short side of the moon pool, the second layer of vertical anti-rolling wave-absorbing wall is arranged between the first layer of vertical anti-rolling wave-absorbing wall and the side wall of the short side of the moon pool, and the horizontal anti-rolling wave-absorbing wall is divided into two parts;
the holes in the vertical anti-rolling wave-absorbing wall are long-waist circular wave-absorbing holes; the opening directions of the long-waist circular wave-eliminating holes on the vertical wave-eliminating wall of the same layer are consistent, and the opening directions of the long-waist circular wave-eliminating holes on the two layers of vertical wave-eliminating walls on the short side wall of the moon pool on one side are mutually vertical.
Preferably, the horizontal wave damping and stabilizing wall is provided with three layers which are arranged at certain intervals on the short side wall of each side of the moon pool.
Preferably, the holes on the horizontal anti-rolling wave absorbing wall are circular wave absorbing holes.
Preferably, a plurality of holes are formed in the horizontal wave damping and stabilizing wall on two sides of the vertical wave damping and stabilizing wall of the second layer.
Preferably, the long-waist circular wave absorbing holes in the vertical anti-rolling wave absorbing wall are arranged in a plurality of rows in order.
Preferably, the long-waist circular wave damping holes on one layer of the vertical wave damping and stabilizing walls are vertical holes, and a row of the long-waist circular wave damping holes is arranged between each layer of the horizontal wave damping and stabilizing walls.
Compared with the prior art, the invention has the following advantages:
1. this device has reached and has slowed down the structure thing and has rocked, improves the purpose of structure thing stability and installation nature through setting up two-layer vertical anti-sway wave attenuation wall and three-layer level to anti-sway wave attenuation wall near moon pool minor face lateral wall.
2. The trompil direction mutually perpendicular of the circular wave hole that disappears of long waist on the wave wall that disappears of two-layer vertical subtracting, the purpose is that the circular wave hole that disappears of vertical long waist of first layer filters the horizontal wave effect in the moon pool, and the circular wave hole that disappears of horizontal long waist of second layer filters the vertical wave effect in the moon pool, and two-layer wave wall that disappears can greatly slow down the attack to the short limit water tight wall of moon pool to reach the effect of guaranteeing the safety and the stability of drill ship.
3. The regular circular holes on the three layers of horizontal anti-rolling wave-absorbing walls can slow down the heaving motion effect of water in the moon pool, and reduce the resonance amplitude of the drilling ship.
Drawings
FIG. 1 is a schematic view showing the structure of the present apparatus in an embodiment;
FIG. 2 is a schematic view showing the installation of the apparatus according to the embodiment;
FIG. 3 is a schematic view of the installation of the present apparatus to the long side wall of the moon pool in the example;
FIG. 4 is a longitudinal sectional view of the present apparatus in an example;
FIG. 5 is a longitudinal cross-sectional view of the apparatus of the present embodiment with the first vertical wave-damping wall removed.
The figure is marked with: 1. the vertical wave damping and damping structure comprises a short side wall, 2, a second layer of vertical wave damping and damping wall, 3, a first layer of vertical wave damping and damping wall, 4, a vertical long-waist circular wave damping hole, 5, a transverse long-waist circular wave damping hole, 6, a horizontal wave damping and damping wall and 7, a right circular wave damping hole.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1, the present application proposes a new moon pool wave damping and stabilizing wall, which is arranged inside a marine structure, especially in a drilling ship, on the short side wall 1 of the moon pool of the drilling ship. The device comprises a vertical anti-rolling wave-absorbing wall vertically arranged in front of a moon pool short side wall 1 at a certain distance, a horizontally arranged horizontal anti-rolling wave-absorbing wall 6 is arranged between the vertical anti-rolling wave-absorbing wall and the moon pool short side wall 1, and a plurality of regularly arranged holes are respectively formed in the vertical anti-rolling wave-absorbing wall and the horizontally arranged anti-rolling wave-absorbing wall 6.
As shown in fig. 2 and 3, the anti-rolling wave-absorbing walls are symmetrically arranged on the short side walls 1 of the moon pool at two sides, and the vertical anti-rolling wave-absorbing walls are respectively arranged on the short side walls 1 at each side of the moon pool at a plurality of layers at certain intervals, in this embodiment, the vertical anti-rolling wave-absorbing walls are arranged into two layers, a second layer of the vertical anti-rolling wave-absorbing wall 2 is close to the short side wall 1 of the moon pool, and the other layer of the vertical anti-rolling wave-absorbing wall 3 is a first layer of the. The horizontal wave damping and stabilizing wall 6 is provided with a plurality of layers, three layers in the embodiment, which are arranged at certain intervals on the short side wall 1 of each side of the moon pool. The horizontal wave absorbing and damping wall 6 is arranged between the first layer of vertical wave absorbing and damping wall 3 and the side wall 1 of the short side of the moon pool, the second layer of vertical wave absorbing and damping wall 2 is arranged between the first layer of vertical wave absorbing and damping wall 3 and the side wall 1 of the short side of the moon pool, and the horizontal wave absorbing and damping wall 6 is divided into two parts. The horizontal wave absorbing and damping wall 6 is provided with a plurality of holes on both sides of the vertical wave absorbing and damping wall 2 of the second layer.
The holes on the vertical anti-rolling wave-absorbing wall are long-waist circular wave-absorbing holes. The hole on the horizontal anti-rolling wave-absorbing wall 6 is a circular wave-absorbing hole 8. The hole opening directions of the long-waist circular wave-eliminating holes on the same vertical wave-eliminating wall layer are consistent, and the hole opening directions of the long-waist circular wave-eliminating holes on the adjacent vertical wave-eliminating walls are vertical to each other. A plurality of holes on the vertical anti-rolling wave-absorbing wall are arranged in a plurality of rows. In this embodiment, as shown in fig. 4, the long-waist circular wave-damping holes on the first vertical layer of the stabilizing wave-damping wall 3 are vertical long-waist circular wave-damping holes 4 with vertical holes, and are arranged in a row between each horizontal layer of the stabilizing wave-damping wall 6; as shown in fig. 5, the long-waist circular wave-absorbing holes on the second vertical wave-absorbing wall 2 are transversely perforated transverse long-waist circular wave-absorbing holes 5, and two rows are arranged between each horizontal wave-absorbing wall 6.
The working principle of the device is as follows:
two layers of vertical wave absorbing and damping walls and three layers of horizontal wave absorbing and damping walls 6 are arranged near the side wall 1 of the short edge of the moon pool, the two layers of vertical wave absorbing and damping walls are designed by utilizing the mutually vertical opening directions of the opened long waist circular wave absorbing holes, and in the working process of the drilling ship, the oscillation of the moon pool water is effectively reduced through the opening wave absorbing function, so that the attack effect on the drilling ship is reduced, and the safety of the drilling ship is ensured; meanwhile, the horizontal anti-rolling wave-absorbing wall 6 can increase the resistance of the moon pool water in the vertical movement process, reduce the vertical resonance effect and ensure the safety of the drilling ship.
Claims (6)
1. A novel moon pool anti-rolling wave-absorbing wall is arranged on a short side wall (1) of a moon pool, and is characterized by comprising a vertical anti-rolling wave-absorbing wall vertically arranged in front of the moon pool short side wall (1) at a certain interval, a horizontally arranged anti-rolling wave-absorbing wall (6) is arranged between the vertical anti-rolling wave-absorbing wall and the moon pool short side wall (1), and a plurality of holes are respectively arranged on the vertical anti-rolling wave-absorbing wall and the horizontally arranged anti-rolling wave-absorbing wall (6);
the horizontal anti-rolling wave-absorbing wall (6) is provided with a plurality of layers which are arranged at certain intervals on the short side wall (1) of each side of the moon pool;
the vertical anti-rolling wave-absorbing wall comprises a first layer of vertical anti-rolling wave-absorbing wall (3) and a second layer of vertical anti-rolling wave-absorbing wall (2), the horizontal anti-rolling wave-absorbing wall (6) is arranged between the first layer of vertical anti-rolling wave-absorbing wall (3) and the short side wall (1) of the moon pool, the second layer of vertical anti-rolling wave-absorbing wall (2) is arranged between the first layer of vertical anti-rolling wave-absorbing wall (3) and the short side wall (1) of the moon pool, and the horizontal anti-rolling wave-absorbing wall (6) is divided into two parts;
the holes in the vertical anti-rolling wave-absorbing wall are long-waist circular wave-absorbing holes; the hole opening directions of the long-waist circular wave elimination holes on the vertical wave elimination wall on the same layer are consistent, and the hole opening directions of the long-waist circular wave elimination holes on the two layers of vertical wave elimination walls on the short side wall (1) of the moon pool on one side are mutually vertical.
2. A new moon pool wave damping and stabilizing wall as claimed in claim 1, wherein the horizontal wave damping and stabilizing wall (6) is provided with three layers at a certain distance on each side short side wall (1) of the moon pool.
3. A novel moon pool wave damping and absorbing wall as claimed in claim 1, wherein the holes on the horizontal wave damping and absorbing wall (6) are right circular wave damping holes (8).
4. A novel moon pool wave-damping wall according to claim 1, wherein the horizontal wave-damping wall (6) is provided with a plurality of holes on both sides of the vertical wave-damping wall (2) of the second layer.
5. The novel moon pool wave absorption and absorption wall as claimed in claim 1, wherein the long-waist circular wave absorption holes on the vertical wave absorption and absorption wall are arranged in a plurality of rows.
6. A novel moon pool wave-damping wall as claimed in claim 1, wherein the long-waist circular wave-damping holes on one layer of the vertical wave-damping wall are vertically open and are arranged in a row between each layer of the horizontal wave-damping wall (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970488.6A CN112193359A (en) | 2020-09-16 | 2020-09-16 | Novel moon pool anti-rolling wave-absorbing wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970488.6A CN112193359A (en) | 2020-09-16 | 2020-09-16 | Novel moon pool anti-rolling wave-absorbing wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112193359A true CN112193359A (en) | 2021-01-08 |
Family
ID=74015136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010970488.6A Pending CN112193359A (en) | 2020-09-16 | 2020-09-16 | Novel moon pool anti-rolling wave-absorbing wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112193359A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977714A (en) * | 2021-03-26 | 2021-06-18 | 中国船舶工业集团公司第七0八研究所 | Scientific investigation workshop with watertight sea-through moon pool |
| CN113308985A (en) * | 2021-05-21 | 2021-08-27 | 招商局重庆交通科研设计院有限公司 | Wave impact device is prevented to bridge pier |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367660A (en) * | 2011-11-04 | 2012-03-07 | 中山大学 | Wave elimination assembly and system for establishing floating breakwater and floating platform |
| CN103243679A (en) * | 2013-05-30 | 2013-08-14 | 江苏科技大学 | High-pile permeable breakwater |
| CN103879520A (en) * | 2014-03-13 | 2014-06-25 | 上海船舶研究设计院 | Wave absorbing type saturation diving moon pool |
| KR20150089285A (en) * | 2014-01-27 | 2015-08-05 | 대우조선해양 주식회사 | Recess supporting structure having breaking wave function and trolley rail support having its structure |
| CN204548432U (en) * | 2015-04-08 | 2015-08-12 | 江苏科技大学 | Reduce the device of liquid sloshing in ocean engineering structure moon pool |
| CN105416521A (en) * | 2015-12-14 | 2016-03-23 | 江苏科技大学 | Platform moon pool damping device |
| CN109850058A (en) * | 2018-12-20 | 2019-06-07 | 广东中远海运重工有限公司 | A kind of drill ship moon pool, which subtracts, shakes wave absorption wall |
| CN209441545U (en) * | 2018-09-30 | 2019-09-27 | 江苏科技大学 | A kind of drill ship moon pool damping device |
-
2020
- 2020-09-16 CN CN202010970488.6A patent/CN112193359A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367660A (en) * | 2011-11-04 | 2012-03-07 | 中山大学 | Wave elimination assembly and system for establishing floating breakwater and floating platform |
| CN103243679A (en) * | 2013-05-30 | 2013-08-14 | 江苏科技大学 | High-pile permeable breakwater |
| KR20150089285A (en) * | 2014-01-27 | 2015-08-05 | 대우조선해양 주식회사 | Recess supporting structure having breaking wave function and trolley rail support having its structure |
| CN103879520A (en) * | 2014-03-13 | 2014-06-25 | 上海船舶研究设计院 | Wave absorbing type saturation diving moon pool |
| CN204548432U (en) * | 2015-04-08 | 2015-08-12 | 江苏科技大学 | Reduce the device of liquid sloshing in ocean engineering structure moon pool |
| CN105416521A (en) * | 2015-12-14 | 2016-03-23 | 江苏科技大学 | Platform moon pool damping device |
| CN209441545U (en) * | 2018-09-30 | 2019-09-27 | 江苏科技大学 | A kind of drill ship moon pool damping device |
| CN109850058A (en) * | 2018-12-20 | 2019-06-07 | 广东中远海运重工有限公司 | A kind of drill ship moon pool, which subtracts, shakes wave absorption wall |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977714A (en) * | 2021-03-26 | 2021-06-18 | 中国船舶工业集团公司第七0八研究所 | Scientific investigation workshop with watertight sea-through moon pool |
| CN113308985A (en) * | 2021-05-21 | 2021-08-27 | 招商局重庆交通科研设计院有限公司 | Wave impact device is prevented to bridge pier |
| CN113308985B (en) * | 2021-05-21 | 2022-05-10 | 招商局重庆交通科研设计院有限公司 | Wave impact device is prevented to bridge pier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112193359A (en) | Novel moon pool anti-rolling wave-absorbing wall | |
| KR100885990B1 (en) | Anti-sloshing device in Moon-pool | |
| US4241685A (en) | Self-stabilizing floating tower | |
| CN105696517B (en) | Novel floating breakwater | |
| CN103879520B (en) | A kind of saturation diving moon pool of wave absorption type | |
| RU2203828C2 (en) | Hull construction | |
| CN108774995B (en) | Perforated floating breakwater unit and arc-shaped multilayer perforated floating breakwater | |
| CN108239962A (en) | A kind of safety system of floating breakwater under extreme sea condition | |
| CN213800105U (en) | Novel moon pool anti-rolling wave-absorbing wall | |
| CN105416521B (en) | Platform moon pool damping device | |
| CN207281280U (en) | A kind of stress concentration indent base construction for the embedded sonar of hull bottom | |
| CN107245980A (en) | A kind of backing formula multilayer energy dissipating floating breakwater | |
| KR101138752B1 (en) | Apparatus for controling rolling for floating body | |
| CN211336370U (en) | Marine geology investigation boats and ships moon pool structure | |
| CN206885279U (en) | A kind of screen type side of a ship wall construction | |
| JP4024793B2 (en) | Pitching reduction device for ships | |
| KR20170033662A (en) | System and method for berthing a ship | |
| JPH10157691A (en) | Extra-large floating body | |
| CN210597190U (en) | Floating type wave preventing device | |
| CN105564587A (en) | Device for reducing fluid oscillation in moon pool in sailing of drilling ship | |
| CN204124316U (en) | A kind of double hull | |
| KR20000025584A (en) | Reducing device for resistance of moon pool in ship | |
| CN204916100U (en) | Anti wave is attacked device of doing all can and is had sea worker's structure thing of device | |
| KR20160029238A (en) | Submersible offshore structure | |
| CN216920242U (en) | Hemispherical floating wave absorber with wave absorbing performance |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210108 |