CN110172950B - Moon pool type choked flow wave-absorbing protection device and system - Google Patents
Moon pool type choked flow wave-absorbing protection device and system Download PDFInfo
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- CN110172950B CN110172950B CN201910540477.1A CN201910540477A CN110172950B CN 110172950 B CN110172950 B CN 110172950B CN 201910540477 A CN201910540477 A CN 201910540477A CN 110172950 B CN110172950 B CN 110172950B
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- wave
- moon pool
- type flow
- protection device
- eliminating
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000008030 elimination Effects 0.000 claims abstract description 9
- 238000003379 elimination reaction Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000005188 flotation Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 16
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
- E02B3/062—Constructions floating in operational condition, e.g. breakwaters or wave dissipating walls
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The application provides a moon pool type flow-blocking and wave-dissipating protection device, which comprises two pontoons, wherein the two pontoons are connected through an intermediate structure to form a main body structure of the protection device, the main body structure is fixed through an anchor chain, a plurality of rows of openings are arranged in the intermediate structure along the length direction of the protection device, a wave-facing surface of the main body structure is provided with a plurality of horn-shaped water inlet holes and uniformly distributed along the axial direction of the pontoons, a circular jet orifice corresponding to the horn-shaped water inlet holes is arranged above the main body structure, and the horn-shaped water inlet holes are directly connected with the circular jet orifice. The application also provides a system consisting of the moon pool type choked flow wave and wave eliminating protection devices. The application reasonably reforms and upgrades the structure main body, and further eliminates the flow by adding the vane type flow eliminating device at the bottom, thereby achieving better flow resistance and wave elimination capability. The device has the advantages of simple structure, no pollution, easy assembly, good wave-absorbing effect, mass production and the like, and is suitable for popularization and use.
Description
Technical Field
The application belongs to the technical field of ocean engineering, and particularly relates to a novel moon pool type flow-blocking and wave-absorbing protection device system.
Background
China has wide coast area and long coastline, the length of the continental coastline is about 1.8 kilometers, and has more than 6500 islands, the island area is large, the advantage of ocean utilization is occupied, and the available ocean resources and ocean space are very rich. The development and use of the ocean resources and energy resources in China can be in the front of the world, and have great significance for improving the influence of China. However, most island reef infrastructures in China fall behind, the ocean environment in the sea area is bad, and the changeable sea conditions influence the daily life of island residents and the operation safety in the island construction process. Therefore, the novel marine protection device is one of key technologies to be solved in island construction and marine development processes in China.
Wave-absorbing devices are designed to absorb waves by preventing the propagation of wave energy and breaking the waves. The influence of waves and ocean currents on ports or mariculture areas is reduced or even eliminated to the greatest extent, the safety and economic benefits of aquaculture are improved, and normal entry and exit of ships into ports are guaranteed. The floating type current-eliminating wave-preventing device is attracting more and more attention due to the excellent wave-eliminating performance. Firstly, taking a breakwater as an example, the floating breakwater has strong water quality exchange capacity and can prevent water pollution; the construction cost is cheaper than that of a fixed breakwater, the change of the water depth can be well adapted, and the engineering cost cannot be increased sharply along with the increase of the water depth; can be suitable for various geological conditions and can be easily applied to seabed areas with softer soil. The original ecological environment of the installation sea area is not destroyed, and the method has great significance for protecting the local ocean natural environment and natural fishery resources; the construction period is short, the speed is high, the installation and the disassembly are convenient, compared with a fixed breakwater, the floating breakwater is convenient to maintain in the later period, and the cost is low.
The moon pool connecting structure is characterized in that a moon pool is formed between the buoyancy tank and the transverse support, the water level in the moon pool rises due to the moon pool effect, and violent vibration is generated, so that wave elimination is facilitated; the horn-shaped water inlet can absorb the incident flow and waves, so that a good wave-eliminating effect is achieved. And the multi-module connection is performed, so that the wave eliminating effect is very remarkable.
Disclosure of Invention
The technical problems to be solved are as follows:
the floating breakwater has the advantages of strong flocculation wave-absorbing effect, simple structure and convenient installation.
The technical scheme is as follows:
the application provides a moon pool type flow-blocking and wave-dissipating protection device, which comprises two pontoons, wherein the two pontoons are connected through an intermediate structure to form a main body structure of the protection device, the main body structure is fixed through an anchor chain, a plurality of rows of openings are arranged in the intermediate structure along the length direction of the protection device, a wave-facing surface of the main body structure is provided with a plurality of horn-shaped water inlet holes and uniformly distributed along the axial direction of the pontoons, a circular jet orifice corresponding to the horn-shaped water inlet holes is arranged above the main body structure, and the horn-shaped water inlet holes are directly connected with the circular jet orifice.
The open areas of the rows decrease gradually along the direction of facing the wave.
Each of said open areas increases gradually along the depth of the water.
The number of the holes in each row is consistent with the number of the jet ports.
The opening is square.
The blade type flow eliminating device comprises at least one group of blade type flow eliminating net racks, a plurality of X-shaped frames are arranged in each group of blade type flow eliminating net racks, shafts are arranged at the intersecting positions of each X-shaped frame, blades are arranged on the shafts, and when a plurality of groups of blade type flow eliminating net racks exist, every two blade type flow eliminating net racks are connected through a first bolt.
Each vane type flow eliminating net frame is provided with an X-shaped frame.
And a U-shaped connecting device is fixedly arranged below each pontoon, and the U-shaped connecting devices are connected with the vane type flow eliminating device through a third bolt.
The main body structure connecting device is arranged on the left side and the right side of the main body framework, the structure of the main body structure connecting device comprises two parallel sectional materials, the two sectional materials are connected through a second bolt, and the length between the two sectional materials is the same as the thickness of the rubber ring.
The application also provides a moon pool type choke and wave elimination protection system, which comprises a plurality of moon pool type choke and wave elimination protection devices, wherein each moon pool type choke and wave elimination protection device is respectively fixed through an anchor chain, and the two moon pool type choke and wave elimination protection devices are connected through a rubber ring and a second bolt, and specifically comprises: the rubber ring is sleeved with the adjacent second bolt in the middle of the parallel section bar, and then the second bolt is screwed.
The beneficial effects are that:
according to the moon pool type flow-blocking and wave-absorbing protective device, the novel structural configuration is designed, the self structure and the performance of the flow-blocking and wave-absorbing device are improved to the maximum extent, and the integral flow-absorbing capacity of the protective device is greatly improved by adding the detachable blade type flow-absorbing device. The moon pool type choke and wave-eliminating protective device has the advantages of modularization, convenient installation, updating and maintenance, suitability for batch production, wide application of wave-eliminating modes to other types of protective devices and extremely strong replicability; the moon pool type flow-blocking and wave-absorbing protective device provided by the application has the advantages that the horn-shaped water inlet holes can absorb and spray the inflow flow, the primary flow-absorbing function is realized, the obvious moon pool effect is realized between the two pontoons, and the wave-absorbing effect is better.
Drawings
Fig. 1 is a three-dimensional schematic of the present application.
Fig. 2 is a front view of the present application.
Fig. 3 is a cross-sectional three-dimensional schematic of the present application.
Fig. 4 is a front view of the present application.
Fig. 5 is a three-dimensional schematic diagram of the impeller mounting position in the vane-type flow eliminating device of the present application.
Fig. 6 is a schematic diagram of a combination of two sets of vane-type flow-eliminating wire frames in a vane-type flow-eliminating device of the present application.
Fig. 7 is a three-dimensional schematic diagram of an impeller mounting position in the vane-type flow eliminating device of the present application.
Fig. 8 is a three-dimensional schematic view of a modular connection structure of the present application.
Fig. 9 is a front view of a module connection structure of the present application.
Fig. 10 is a three-dimensional schematic view of the anchor chain connecting structure of the present application.
Fig. 11 is a three-dimensional schematic of the overall structure of the present application.
Fig. 12 is a top view of the overall structure of the present application.
Detailed Description
The present application will be described in detail with reference to the accompanying drawings.
As shown in figure 1, the moon pool type flow-blocking and wave-dissipating protection device comprises a buoyancy tank 1, an intermediate structure 2 and a water inlet hole 3; the jet ports 4 and the buoyancy tanks 1 are connected through the intermediate structure 2 to form the main structure of the protection device. The main body structure is fixed through the anchor chain 6, a plurality of rows of open holes are formed in the middle structure 2 along the length direction of the protection device, moon pool effect is formed in the open holes of the middle structure, a plurality of horn-shaped water inlet holes 3 are formed in the wave facing surface of the main body structure and are uniformly distributed along the axial direction of the pontoon, a circular jet orifice 4 corresponding to the horn-shaped water inlet holes is arranged above the main body structure, the horn-shaped water inlet holes 3 are directly connected with the circular jet orifice 4, and the structure can achieve good effect of absorbing jet flow.
Under the action of wave and current, water particles enter from the trumpet-shaped water inlet holes 3 and are sprayed out from the circular spraying openings 4. The open area of the main body structure 2 between the two buoys is gradually reduced along the wave-facing direction, so that incident waves and flows can be absorbed to the greatest extent, and the phenomenon that water cannot rise to form a moon pool effect due to insufficient energy caused by wave loss is avoided.
In order to increase the flow eliminating effect, the application fully utilizes the area of the wave facing surface as much as possible to carry out maximum opening, and forms the arrangement that the number of the horn-shaped openings is consistent with that of the square openings in each row and the positions are corresponding.
For better effect, as shown in fig. 4, each open area gradually increases along the water depth. The moon pool effect causes the water in the moon pool to shake violently, which is helpful for wave elimination; in addition, due to the moon pool effect, the liquid level in the moon pool rises, which is helpful for the seawater to pass through the horn-shaped water inlet.
In order to achieve a better effect, as shown in fig. 5-7, a vane type flow eliminating device 10 is arranged below each pontoon 1, the vane type flow eliminating device 10 comprises at least one vane type flow eliminating net frame 11, a plurality of X-shaped frames are arranged in each vane type flow eliminating net frame 11, a shaft 14 is arranged at the intersection of each X-shaped frame, vanes 9 are arranged on the shafts 14, and when a plurality of vane type flow eliminating net frames 11 are arranged, every two vane type flow eliminating net frames 11 are connected through a first bolt 13.
Each vane type flow eliminating net frame 11 is provided with 10X-shaped frames, namely, each vane type flow eliminating net frame 11 is provided with 10 impellers. According to the actual situation, the plurality of groups of blade-type current elimination frames 11 may be combined. As shown in fig. 6, two sets of multi-set vane-type current eliminating net frames 11 are combined.
A U-shaped connecting device 12 is fixedly arranged below each pontoon 1, and the U-shaped connecting devices 12 are connected with the vane type current eliminating device 10 through a third bolt 15.
The vane type flow eliminating device 10 rotates the vanes 9 under the action of the incoming flow, thereby consuming the energy of the flow. Simultaneously, the rotation of the blade causes the blade to form spiral flow, thereby further disturbing the flow direction and causing the turbulence of the incoming flow, and the good flow eliminating effect is achieved by the two modes.
And the structure is convenient to disassemble and easy to maintain. The whole structure is fixed by adopting the anchor chain 6, can be changed along with the soil environment according to local conditions, and has lower installation cost.
In order to connect a plurality of moon pool type choked flow wave and wave eliminating protection devices, a main body structure connecting device is arranged on the left side and the right side of the main body framework, the main body structure connecting device comprises two parallel sectional materials 16, the two sectional materials 16 are connected through a second bolt 7, and the length between the two sectional materials 16 is the same as the thickness of the rubber ring 5.
As shown in fig. 10-12, the present application further provides a lunar pool type choke and wave-absorbing protection device, which comprises a plurality of lunar pool type choke and wave-absorbing protection devices, wherein each of the lunar pool type choke and wave-absorbing protection devices is respectively fixed through an anchor chain 6, and the two lunar pool type choke and wave-absorbing protection devices are connected with a second bolt 7 through a rubber ring 5, specifically: the rubber ring 5 is sleeved with the adjacent second bolt 7 in the middle of the parallel profile 16, and then the second bolt 7 is screwed down.
While the application has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the application, and it is intended that the scope of the application shall be defined by the appended claims.
Claims (6)
1. The utility model provides a moon pool formula choked flow wave protection device that disappears, includes two flotation pontoons (1), its characterized in that two flotation pontoons (1) connect through intermediate structure (2) and constitute protection device's major structure, major structure fix through anchor chain (6), be equipped with multirow trompil, its characterized in that along protection device's length direction in intermediate structure (2): the wave facing surface of the main body structure is provided with a plurality of horn-shaped water inlet holes (3), the horn-shaped water inlet holes (3) are uniformly distributed along the axial direction of the pontoon, a circular jet orifice (4) corresponding to the horn-shaped water inlet holes is arranged above the main body structure, the horn-shaped water inlet holes (3) are directly connected with the circular jet orifice (4), the area of a plurality of rows of holes is gradually reduced along the wave facing direction, each hole area is gradually increased along the depth of water, a vane type flow eliminating device (10) is arranged below each pontoon (1), the vane type flow eliminating device (10) comprises at least one group of vane type flow eliminating net frame (11), a plurality of X-shaped frames are arranged in each group of vane type flow eliminating net frame (11), a shaft (14) is arranged at the intersection position of each X-shaped frame, the shaft (14) is provided with a vane (9), when a plurality of groups of vane type flow eliminating net frames (11) are arranged, two pairs of vane type flow eliminating net frames (11) are connected through a first bolt (13), the left and right side of the main body structure is provided with a vane type flow eliminating device, the vane type flow eliminating net frame (10) comprises two vane type flow eliminating net frames (16) which are connected with two side-shaped structures (5) and two side-shaped rubber rings (16) and two side structures (5) are connected with one another through a same length of a second bolt (5), the method comprises the following steps: the rubber ring (5) is sleeved with the adjacent second bolt (7) in the middle of the parallel section bar (16), and then the second bolt (7) is screwed down.
2. The moon pool type choke and blast protection device as set forth in claim 1, wherein: the number of the holes in each row is consistent with the number of the circular jet ports (4).
3. The moon pool type choke and wave elimination protective device according to claim 1 or 2, wherein: the opening is square.
4. The moon pool type choke and blast protection device as set forth in claim 1, wherein: each vane type flow eliminating net rack (11) is provided with 10X-shaped frames.
5. The moon pool type choke and blast protection device as set forth in claim 1, wherein: and a U-shaped connecting device (12) is fixedly arranged below each pontoon (1), and the U-shaped connecting devices (12) are connected with the vane type current eliminating device (10) through third bolts (15).
6. The moon pool type choked flow wave-eliminating protection system is characterized in that: the moon pool type flow-blocking and wave-absorbing protection device comprises a plurality of moon pool type flow-blocking and wave-absorbing protection devices as claimed in any one of claims 1 to 5, wherein each moon pool type flow-blocking and wave-absorbing protection device is fixed through an anchor chain (6), and the two moon pool type flow-blocking and wave-absorbing protection devices are connected through a rubber ring (5) and a second bolt (7), and specifically comprises: the rubber ring (5) is sleeved with the adjacent second bolt (7) in the middle of the parallel section bar (16), and then the second bolt (7) is screwed down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540477.1A CN110172950B (en) | 2019-06-21 | 2019-06-21 | Moon pool type choked flow wave-absorbing protection device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540477.1A CN110172950B (en) | 2019-06-21 | 2019-06-21 | Moon pool type choked flow wave-absorbing protection device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110172950A CN110172950A (en) | 2019-08-27 |
| CN110172950B true CN110172950B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910540477.1A Active CN110172950B (en) | 2019-06-21 | 2019-06-21 | Moon pool type choked flow wave-absorbing protection device and system |
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| Country | Link |
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| CN (1) | CN110172950B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110172948B (en) * | 2019-07-02 | 2023-10-03 | 江苏科技大学 | Gushing-type floating breakwater and system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02167910A (en) * | 1988-12-22 | 1990-06-28 | Hazama Gumi Ltd | Wave dissipating device |
| KR20110016671A (en) * | 2009-08-12 | 2011-02-18 | 삼성중공업 주식회사 | Floating breakwater |
| KR20110016673A (en) * | 2009-08-12 | 2011-02-18 | 삼성중공업 주식회사 | Floating breakwater |
| KR20110139963A (en) * | 2010-06-24 | 2011-12-30 | 삼성중공업 주식회사 | Underwater breakwater |
| CN104532786A (en) * | 2015-01-06 | 2015-04-22 | 郑先斌 | Floating type wave dissipating device |
| KR101694382B1 (en) * | 2016-06-30 | 2017-01-09 | (주)상엔지니어링건축사사무소 | Breakwater having caisson and floating type structure |
| CN109878648A (en) * | 2019-03-12 | 2019-06-14 | 中国电建集团中南勘测设计研究院有限公司 | A kind of floating wave absorption structure and method for marine structure |
-
2019
- 2019-06-21 CN CN201910540477.1A patent/CN110172950B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02167910A (en) * | 1988-12-22 | 1990-06-28 | Hazama Gumi Ltd | Wave dissipating device |
| KR20110016671A (en) * | 2009-08-12 | 2011-02-18 | 삼성중공업 주식회사 | Floating breakwater |
| KR20110016673A (en) * | 2009-08-12 | 2011-02-18 | 삼성중공업 주식회사 | Floating breakwater |
| KR20110139963A (en) * | 2010-06-24 | 2011-12-30 | 삼성중공업 주식회사 | Underwater breakwater |
| CN104532786A (en) * | 2015-01-06 | 2015-04-22 | 郑先斌 | Floating type wave dissipating device |
| KR101694382B1 (en) * | 2016-06-30 | 2017-01-09 | (주)상엔지니어링건축사사무소 | Breakwater having caisson and floating type structure |
| CN109878648A (en) * | 2019-03-12 | 2019-06-14 | 中国电建集团中南勘测设计研究院有限公司 | A kind of floating wave absorption structure and method for marine structure |
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