CN109281794B - Energy dissipation power generation system and energy dissipation power generation method for seawall - Google Patents
Energy dissipation power generation system and energy dissipation power generation method for seawall Download PDFInfo
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- CN109281794B CN109281794B CN201811348128.1A CN201811348128A CN109281794B CN 109281794 B CN109281794 B CN 109281794B CN 201811348128 A CN201811348128 A CN 201811348128A CN 109281794 B CN109281794 B CN 109281794B
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 76
- 238000010248 power generation Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000013535 sea water Substances 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/141—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector
-
- 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
- E02B3/066—Quays
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1823—Rotary generators structurally associated with turbines or similar engines
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a sea wall energy dissipation power generation system and an energy dissipation power generation method, wherein the system part comprises a plurality of water inlets arranged on the sea wall wave facing side surface, an energy dissipation cone and an energy dissipation bank are arranged at the position close to the water inlets, and the water outlet end at the bottom of the water inlet is connected with the water inlet end of a power generation device through a water inlet pipeline; in addition, the invention also discloses an energy dissipation power generation method corresponding to the method; according to the invention, the sea wall is provided with the plurality of water inlets, the energy dissipation cones and the energy dissipation sills on the side face of the sea wall facing the sea, so that sea waves can be dissipated, and meanwhile, sea water can be introduced into the power generation device through the water inlet pipeline to generate power, so that the sea wall has double functions of resisting the sea and generating power.
Description
Technical Field
The invention relates to the technical field of sea wall construction, in particular to a sea wall energy dissipation power generation system and an energy dissipation power generation method.
Background
The seawall has an important function of protecting life and property safety along the coast, the traditional seawall is extremely easy to generate fatigue and impact damage under the action of sea waves and tides, and the seawall has high maintenance cost and low economic benefit.
Disclosure of Invention
The invention aims to overcome the defects, and provides the seawall energy dissipation power generation system and the energy dissipation power generation method, which can effectively prevent the seawall from fatigue and impact damage under the impact action of sea waves, and can utilize the energy-dissipation sea water to generate power, thereby bringing economic benefits.
The invention aims to solve the technical problems, and adopts the technical scheme that: the sea wall energy dissipation power generation system comprises a plurality of water inlets arranged on the sea wall wave facing side face, wherein energy dissipation cones and energy dissipation banks are arranged at positions close to the water inlets, and water outlet ends at the bottoms of the water inlets are connected with water inlet ends of a power generation device through water inlet pipes.
Preferably, the water inlets are vertically and horizontally arranged on the sea wall wave-facing side surface, every two adjacent water inlet side parts are combined to form an energy dissipation bank, and an energy dissipation cone is arranged in the middle area formed by surrounding every four water inlets.
Preferably, the water inlets are of an inverted regular eight-prismatic table structure, the middle area formed by surrounding every four water inlets is square, and the energy dissipation cone is of a rectangular pyramid structure.
Preferably, the power generation device comprises a water turbine, a water inlet of the water turbine is connected with a water inlet pipeline, an output shaft of the water turbine is connected with a rotating shaft of the generator, and a water outlet of the water turbine is connected with a draft tube.
Preferably, the seawall wave-facing side is further provided with a cleaning device, the cleaning device comprises a rotating motor vertically fixed on the seawall wave-facing side, an output shaft of the rotating motor is connected with one end of a rotating rod, the rotating rod is parallel to the seawall wave-facing side, and a plurality of bristles are arranged on the surface, close to the seawall wave-facing side, of the rotating rod.
Preferably, a filter screen is further arranged at the position where the water outlet end of the water inlet is connected with the water inlet pipeline.
In addition, the invention also provides an energy dissipation power generation method of the seawall energy dissipation power generation system, which comprises the following steps:
step 1): a plurality of water inlets are uniformly arranged on the sea wall wave facing side face in a longitudinal and transverse mode, energy dissipation sills are formed by combining the side parts of every two adjacent water inlets, and energy dissipation cones are arranged in the middle area formed by surrounding every four water inlets;
step 2): a filter screen is arranged at the water outlet end of the water inlet and is connected with the top of a water inlet pipeline, and the bottom of the water inlet pipeline is connected with the water inlet end of a water turbine of the power generation device;
step 3): the cleaning device is arranged on the sea wall side face facing the sea.
Preferably, it further comprises the steps of:
step 4): when the impact sea wave impacts the sea wall, primary energy dissipation is carried out through the energy dissipation cone and the energy dissipation ridge, and secondary energy dissipation is carried out through the filter screen;
step 5): the secondary energy dissipation water flow enters the water turbine along the water inlet pipe under the action of gravity and drives the water turbine to operate, the blades of the water turbine rotate and then drive the rotating shaft of the generator to rotate, so that electric energy is generated, the power generation process is completed, and tail water left after power generation is discharged into seawater from the draft tube.
Preferably, it further comprises the steps of:
step 6): when sundries or sediment are accumulated at the water inlet, a rotating motor of the cleaning device is started, the rotating motor drives a rotating rod to rotate along the sea wall wave facing side, and the brush brushes sundries or sediment to loosen and slide into sea water along the sea wall wave facing side.
The invention has the beneficial effects that:
1. according to the invention, the sea wall is provided with the plurality of water inlets, the energy dissipation cones and the energy dissipation sills on the side face of the sea wall facing the sea, so that sea waves can be dissipated, and meanwhile, sea water can be introduced into the power generation device through the water inlet pipeline to generate power, so that the sea wall has double functions of resisting the sea and generating power.
2. The water inlet top of the invention adopts the regular octagon water collection design, the regular octagon has axisymmetry, is stable and firm, is easy for water flow collection, is easier to construct than a common sea wall, and is convenient for integral maintenance.
3. The energy dissipation ridge is formed by combining two adjacent water inlet side parts, and the energy dissipation cone is also formed by fully utilizing the middle area formed by encircling the four water inlets, so that the energy dissipation cone and the energy dissipation ridge are not required to be arranged independently, the construction difficulty is greatly reduced according to local conditions, the additional construction design is not required, the construction efficiency is high, the implementation is easy, and the material is saved compared with the conventional sea wall construction.
4. The multiple water inlet pipes realize the function of multi-pipe confluence, so that the power generation water quantity is increased, the power generation efficiency is improved, and tail water discharge can be eliminated along with tide fluctuation by adopting an underground pipe network.
5. The cleaning device can clean the garbage, sundries or sediment remained at the water inlet in real time, and solves the maintenance problem of the seawall.
6. The sea wall is mainly damaged by sea water erosion and sea wave force, the sea wall surface treatment can be performed by adopting high-strength anti-fatigue corrosion-resistant concrete aiming at sea water erosion, the sea wall is safely designed according to sea wave force according to the relation between sea wave high spectrum and force and the related research current situation at home and abroad by referring to the theory of breaking and safety reliability, the water inlet and the energy dissipation facilities are integrally designed, the construction is convenient, the safety reliability of the sea wall is greatly improved, the energy dissipation cone and the energy dissipation bank are designed to be wide at the bottom and narrow at the top, and the design can not only effectively break the drag force and the inertia force of sea waves, but also prevent the sea wall from fatigue and impact damage under the sea wave impact.
Drawings
FIG. 1 is a schematic diagram of a seawall energy dissipation power generation system;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic view of the cleaning apparatus of FIG. 1 in a left-hand configuration;
FIG. 4 is a schematic view of the cleaning apparatus shown in FIG. 1;
FIG. 5 is a schematic view of the area formed by the four water inlets in FIG. 1;
in the figure, sea wall 1, water inlet 2, energy dissipation cone 3, energy dissipation bank 4, inlet channel 5, power generation facility 6, hydraulic turbine 6.1, generator 6.2, draft tube 6.3, cleaning device 7, rotating electrical machines 7.1, rotary rod 7.2, brush hair 7.3, filter screen 8.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 5, the sea wall energy dissipation power generation system comprises a plurality of water inlets 2 arranged on the wave facing side surface of a sea wall 1, an energy dissipation cone 3 and an energy dissipation ridge 4 are arranged at positions close to the water inlets 2, and the water outlet end at the bottom of the water inlet 2 is connected with the water inlet end of a power generation device 6 through a water inlet pipeline 5.
Preferably, a plurality of water inlets 2 are vertically and horizontally arranged on the wave facing side surface of the seawall 1, each two adjacent water inlet 2 side parts are combined to form an energy dissipation ridge 4, and an energy dissipation cone 3 is arranged in the middle area formed by surrounding each four water inlets 2.
Preferably, the water inlets 2 are of an inverted regular eight-prismatic table structure, a middle area formed by surrounding every four water inlets 2 is square, and the energy dissipation cone 3 is of a rectangular pyramid structure.
Preferably, the power generation device 6 comprises a water turbine 6.1, a water inlet of the water turbine 6.1 is connected with the water inlet pipeline 5, an output shaft of the water turbine 6.1 is connected with a rotating shaft of the power generator 6.2, and a water outlet of the water turbine 6.1 is connected with the draft tube 6.3.
Preferably, the seawall 1 is further provided with a cleaning device 7 on the side facing the waves, the cleaning device 7 comprises a rotating motor 7.1 vertically fixed on the side facing the waves of the seawall 1, an output shaft of the rotating motor 7.1 is connected with one end of a rotating rod 7.2, the rotating rod 7.2 is parallel to the side facing the waves of the seawall 1, and a plurality of bristles 7.3 are arranged on the surface, close to the side facing the waves, of the seawall 1, of the rotating rod 7.2.
Preferably, a filter screen 8 is further arranged at the position where the water outlet end of the water inlet 2 is connected with the water inlet pipeline 5.
Preferably, the filter screen 8 is detachably connected to the bottom of the water inlet 2. Thus being convenient to install and replace.
According to the technical scheme, the top opening of the water inlet 2 is regular octagon, the bottom opening is regular octagon and is provided with the filter screen 8, the top opening is larger than the bottom opening, eight edges are uniformly arranged on the side part of the water inlet 2, so that a regular octagon platform structure is finally formed, the structure enables each two adjacent water inlet 2 side parts to be combined to form the energy dissipation ridge 4, a middle area is formed after every four water inlets 2 are enclosed, the middle area is just square, the energy dissipation cone 3 with a quadrangular pyramid structure is very beneficial to being arranged, the energy dissipation cone 3 and the energy dissipation ridge 4 can crush sea waves parallel to sea level, perpendicular to the sea level and inclined to the sea level when the sea waves attack, and a great amount of air can be doped into the crushed sea waves, so that a good effect is achieved; the filter screen 8 can effectively prevent garbage or sundries floating on the sea surface from entering the water inlet pipeline 5 along the water inlet 2 to cause blockage, in addition, the filter screen 8 can also have the functions of crushing and dissipating energy to the passing seawater, so that the impact damage of the seawater in the water inlet pipeline is effectively prevented, the service life of the structure is prolonged, and the filter screen 8 in the embodiment is detachable, convenient to replace and high in practicability; in this embodiment, the tail water left after power generation flows into the ocean intensively through the tail water pipe 6.3, the sea level elevation of the tail water outlet is lower than the installation elevation of the generator 6.2, so that the tail water can be conveniently and smoothly discharged, and meanwhile, in order to avoid the reverse flow of the seawater, a valve capable of being remotely controlled to open and close can be arranged at the tail water outlet.
In addition, the device can not only utilize sea waves to generate electricity, but also utilize the energy of rainwater and tidal water to generate electricity, thereby greatly improving the application range.
In the embodiment of the invention, the energy dissipation and power generation method of the seawall energy dissipation and power generation system comprises the following steps:
step 1): a plurality of water inlets 2 are uniformly arranged on the wave facing side surface of the sea wall 1 in a longitudinal and transverse mode, the side parts of every two adjacent water inlets 2 are combined to form an energy dissipation bank 4, and an energy dissipation cone 3 is arranged in the middle area formed by surrounding every four water inlets 2;
step 2): a filter screen 8 is arranged at the water outlet end of the water inlet 2 and is connected with the top of a water inlet pipeline 5, and the bottom of the water inlet pipeline 5 is connected with the water inlet end of a water turbine 6.1 of the power generation device 6;
step 3): a cleaning device 7 is arranged on the side face of the seawall 1 facing the sea waves;
step 4): when the impact sea wave impacts the sea wall, primary energy dissipation is carried out through the energy dissipation cone 3 and the energy dissipation ridge 4, and secondary energy dissipation is carried out through the filter screen 8;
step 5): the water flow with secondary energy dissipation enters the water turbine 6.1 along the water inlet pipe 5 under the action of gravity and drives the water turbine 6.1 to operate, blades of the water turbine 6.1 rotate and then drive a rotating shaft of the generator 6.2 to rotate, so that electric energy is generated, the power generation process is completed, and tail water left after power generation is discharged into seawater from the draft tube 6.3;
step 6): after sundries or sediment is accumulated at the position of the water inlet 2, a rotary motor 7.1 of the cleaning device 7 is started, the rotary motor 7.1 drives a rotary rod 7.2 to rotate along the wave-facing side surface of the sea wall 1, and bristles 7.3 brush the sundries or sediment so as to loosen and slide into sea water along the wave-facing side surface of the sea wall 1.
The foregoing embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without collision. The protection scope of the present invention is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (6)
1. The utility model provides a seawall energy dissipation power generation system, includes a plurality of water inlets (2) of locating seawall (1) face side, its characterized in that: the energy dissipation cone (3) and the energy dissipation ridge (4) are arranged at the position close to the water inlet (2), and the water outlet end at the bottom of the water inlet (2) is connected with the water inlet end of the power generation device (6) through a water inlet pipeline (5); the water inlets (2) are vertically and horizontally arranged on the wave-facing side surface of the sea wall (1), the connected side parts of every two adjacent water inlets (2) are combined to form an energy dissipation ridge (4), and an energy dissipation cone (3) is arranged in the middle area formed by enclosing every four water inlets (2); the water inlets (2) are of an inverted regular eight-prismatic table structure, the middle area formed by surrounding every four water inlets (2) is square, and the energy dissipation cone (3) is of a rectangular pyramid structure; the power generation device (6) comprises a water turbine (6.1), a water inlet of the water turbine (6.1) is connected with a water inlet pipeline (5), an output shaft of the water turbine (6.1) is connected with a rotating shaft of the power generator (6.2), and a water outlet of the water turbine (6.1) is connected with a draft tube (6.3).
2. A seawall energy dissipating power generating system in accordance with claim 1, wherein: the sea wall is characterized in that a cleaning device (7) is further arranged on the sea wall (1) side face against the waves, the cleaning device (7) comprises a rotating motor (7.1) vertically fixed on the sea wall (1) side face against the waves, an output shaft of the rotating motor (7.1) is connected with one end of a rotating rod (7.2), the rotating rod (7.2) is parallel to the sea wall (1) side face against the waves, and a plurality of bristles (7.3) are arranged on the surface, close to the sea wall (1) side face against the waves, of the rotating rod (7.2).
3. A seawall energy dissipating power generating system in accordance with claim 1, wherein: the position where the water outlet end of the water inlet (2) is connected with the water inlet pipeline (5) is also provided with a filter screen (8).
4. A method of generating energy by using the sea wall energy dissipation system of claim 2, comprising: it comprises the following steps:
step 1): a plurality of water inlets (2) are uniformly arranged on the wave facing side surface of the sea wall (1) in a longitudinal and transverse arrangement mode, the side parts of every two adjacent water inlets (2) are combined to form an energy dissipation bank (4), and an energy dissipation cone (3) is arranged in the middle area formed by encircling every four water inlets (2);
step 2): a filter screen (8) is arranged at the water outlet end of the water inlet (2) and is connected with the top of a water inlet pipeline (5), and the bottom of the water inlet pipeline (5) is connected with the water inlet end of a water turbine (6.1) of the power generation device (6);
step 3): a cleaning device (7) is arranged on the side face of the seawall (1) facing the sea.
5. The energy dissipating power generating method of claim 4 wherein: it also comprises the following steps:
step 4): when the impact sea wave impacts the seawall, primary energy dissipation is carried out through the energy dissipation cone (3) and the energy dissipation bank (4), and secondary energy dissipation is carried out through the filter screen (8);
step 5): the water flow with secondary energy dissipation enters the water turbine (6.1) along the water inlet pipe (5) under the action of gravity and drives the water turbine (6.1) to operate, blades of the water turbine (6.1) rotate and then drive a rotating shaft of the generator (6.2) to rotate, so that electric energy is generated, the power generation process is completed, and tail water left after power generation is discharged into sea water from the draft tube (6.3).
6. The energy dissipating power generating method of claim 5, wherein: it also comprises the following steps:
step 6): after sundries are accumulated at the position of the water inlet (2), a rotating motor (7.1) of the cleaning device (7) is started, the rotating motor (7.1) drives a rotating rod (7.2) to rotate along the wave facing side surface of the seawall (1), and bristles (7.3) brush the sundries to loosen and slide into seawater along the wave facing side surface of the seawall (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811348128.1A CN109281794B (en) | 2018-11-13 | 2018-11-13 | Energy dissipation power generation system and energy dissipation power generation method for seawall |
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| CN201811348128.1A CN109281794B (en) | 2018-11-13 | 2018-11-13 | Energy dissipation power generation system and energy dissipation power generation method for seawall |
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| CN109281794B true CN109281794B (en) | 2024-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI666362B (en) * | 2019-01-31 | 2019-07-21 | National Formosa University | Block structure with energy absorption |
| CN112112122A (en) * | 2020-09-22 | 2020-12-22 | 周珍梅 | Impact-resistant power generation breakwater |
| CN114703797A (en) * | 2022-04-12 | 2022-07-05 | 青岛东汇泉科技有限公司 | Device and method for reducing sea waves and/or tides and use of the device |
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| CN109281794A (en) | 2019-01-29 |
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