CN115111106A - Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure - Google Patents
Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure Download PDFInfo
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- CN115111106A CN115111106A CN202110291221.9A CN202110291221A CN115111106A CN 115111106 A CN115111106 A CN 115111106A CN 202110291221 A CN202110291221 A CN 202110291221A CN 115111106 A CN115111106 A CN 115111106A
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- 238000010248 power generation Methods 0.000 title claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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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
- F03B13/08—Machine or engine aggregates in dams or the like; Conduits therefor, e.g. diffusors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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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
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- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a shore-based oscillating water column wave energy power generation device integrated with a permeable wave dissipation structure, which comprises a square ring cylinder, a square cover plate, a turbine power generation system, an air flow pipeline, an air chamber and a permeable plate, wherein the square ring cylinder is connected with the square cover plate through the air flow pipeline; the air chamber is a cavity formed by a square ring column body and a square cover plate; the square ring column body is a hollow square column body with openings at the top end and the bottom end; the back surface of the square ring cylinder body is fixed on a breakwater or a bank dike, the front surface of the square ring cylinder body facing waves is provided with a through hollow plate, the square cover plate is arranged at the top of the square ring cylinder body, an air flow pipeline is arranged on the square cover plate, a turbine power generation system is arranged in the air flow pipeline, the turbine power generation system consists of an air turbine and a power generator, and the air turbine is connected with the power generator; the shore-based oscillating water column wave energy power generation device integrated with the permeable wave dissipation structure can effectively reduce wave load generated under the action of short-period waves, and has little influence on long-period waves with high power generation efficiency and stability.
Description
Technical Field
The invention relates to the technical field of wave energy power generation devices, in particular to a shore-based oscillating water column wave energy power generation device integrated with a permeable wave dissipation structure.
Background
In the world today, energy demand is continuously increasing, while fossil energy reserves are limited, the world is facing the crisis of energy shortage, and the use of fossil energy causes serious environmental and climatic problems. The development of renewable energy sources is the best option to solve the above problems. Wave energy is one of ocean renewable energy sources and has the characteristics of inexhaustibility. The oscillating water column type wave energy power generation device has the advantages of reliable performance and simple structure, and is the most widely applied wave energy power generation technology at present.
The main structure of the oscillating water column type wave power generation device is a semi-submerged air chamber with an underwater opening, and an air flow pipeline is arranged at the upper part of the air chamber and connected with a turbine power generation system. Under the action of waves, a water column in the air chamber vibrates up and down, so that air in the air chamber is forced to generate reciprocating airflow in the airflow pipeline, the airflow drives an air turbine installed in the airflow pipeline to rotate, and the air turbine further drives a generator to work, so that the conversion from wave energy to electric energy is realized.
In an actual marine environment, due to the fact that the transmission capacity of short-period waves is poor, when the short-period waves act on a wave power generation device, large reflection can occur, large wave load is generated, water columns in an air chamber can generate shaking motion, on one hand, the energy conversion efficiency of the device is low, and on the other hand, the structural safety of the device is threatened. Before, in actual engineering and sea test, safety accidents occur in wave energy devices of different countries and different types, and loss is huge. The permeable structure has a good wave eliminating effect and is widely applied to ocean engineering structures needing wave elimination.
Therefore, in order to protect the wave energy power generation device, the technical personnel in the field need to solve the problem of providing the shore-based oscillating water column wave energy power generation device integrated with the permeable wave dissipation structure.
Disclosure of Invention
The invention aims to provide a shore-based oscillating water column wave energy power generation device integrated with an air-permeable wave-dissipating structure, which is used for solving the problems in the prior art, effectively reducing wave load generated by short-period wave action and having little influence on long-period waves with high power generation efficiency and stability.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a shore-based oscillating water column wave energy power generation device integrated with a permeable wave dissipation structure, which comprises a square ring column body, a square cover plate, a turbine power generation system, an air flow pipeline, an air chamber and a permeable plate, wherein the square ring column body is connected with the square cover plate;
the air chamber is a cavity formed by a square ring cylinder and a square cover plate; the square ring column body is a hollow square column body with openings at the top end and the bottom end; the back of the square ring cylinder body is fixed on a breakwater or a bank dike, the front, facing waves, of the square ring cylinder body is provided with the through hollow plate, the square cover plate is arranged at the top of the square ring cylinder body, an airflow pipeline is arranged on the square cover plate, the turbine power generation system is installed in the airflow pipeline and comprises an air turbine and a power generator, and the air turbine is connected with the power generator.
Preferably, the air flow duct is disposed at a central position of the square cover plate.
Preferably, a plurality of square through holes are distributed on the hollow plate, and the hollow plate is fixed on the square ring column body through high-strength bolts.
Preferably, the square ring cylinder, the square cover plate and the airflow pipeline are made of high-strength light materials, and the joints are anchored by high-strength stainless steel bolts.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the shore-based oscillating water column wave energy power generation device integrated with the permeable wave dissipation structure, the oscillating water column type wave energy power generation device is combined with the breakwater or the shore embankment, and the wave energy is used for generating electricity, so that the construction cost of the breakwater is reduced; the wave with a shorter period is absorbed by the hollow plate, so that the wave load borne by the device can be effectively reduced, the survival capacity of the device is improved, and the maintenance cost of the wave power generation device is reduced; the fixed structure can ensure the stability of the device and improve the power generation efficiency; the wave energy power generation device can be arranged along a breakwater or a bank, and the wave energy utilization rate is improved while the function of ocean engineering protection facilities is taken into consideration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic perspective view of a shore-based oscillating water column wave energy power generation device integrated with a permeable wave-dissipating structure according to the present invention;
FIG. 2 is a transverse cross-sectional view of a shore-based oscillating water column wave energy power generation device integrated with a permeable wave-dissipating structure;
FIG. 3 is a schematic structural view of the perforated plate of the present invention;
in the figure: 1 breakwater or bank; 2, a square ring cylinder; 3, a square cover plate; 4 a turbine power generation system; 5 an air flow pipeline; 6, an air chamber; 7 penetrating the empty plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a shore-based oscillating water column wave energy power generation device integrated with a permeable wave dissipation structure, and aims to solve the problems in the prior art.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The shore-based oscillating water column wave energy power generation device integrated with the air-permeable wave-dissipating structure in the embodiment is shown in fig. 1-2 and comprises a square ring cylinder 2, a square cover plate 3, a turbine power generation system 4, an air flow pipeline 5, an air chamber 6 and an air-permeable plate 7;
the air chamber 6 is a cavity formed by the square ring cylinder 2 and the square cover plate 3; the square ring column body 2 is a hollow square column body with openings at the top end and the bottom end; the back surface of the square ring cylinder 2 is fixed on the breakwater or the bank 1, the front surface of the square ring cylinder 2 facing waves is provided with a through hollow plate 7, the square cover plate 3 is arranged at the top of the square ring cylinder 2, the side lengths of the square cover plate and the square cover plate are equal, and the square cover plate are connected by adopting high-strength stainless steel bolts; an air flow pipeline 5 is arranged at the center of the square cover plate 3, a turbine power generation system 4 is installed in the air flow pipeline 5, the turbine power generation system 4 is composed of an air turbine and a generator, and the air turbine is connected with the generator.
In this embodiment, as shown in fig. 3, a plurality of square through holes are distributed on the hollow plate 7, and the hollow plate 7 is fixed on the square ring column 2 by high-strength bolts; the transparent plate 7 can protect the oscillating water column type wave power generation device in the marine environment, and the maintenance and replacement cost is reduced.
In the embodiment, the square ring cylinder 2, the square cover plate 3 and the airflow pipeline 5 are made of high-strength light materials, and the high-strength light materials can be martensite stainless steel with wide application; the joint is anchored by a high-strength stainless steel bolt.
In a marine environment, the shorter wave energy is absorbed by the action of the transparent plate 7; waves with a longer period can be transmitted into the square ring cylinder 2 through the bottom of the square ring cylinder 2 to drive the water column in the air chamber 6 to oscillate up and down, so that the gas in the air chamber 6 is forced to compress and expand; the compression and expansion of the gas form a reciprocating gas flow in the gas flow pipe 5 on the square cover plate 3, and further the turbine power generation system 4 is driven to work to generate power. The water column in the air chamber 6 has a fixed fluctuation frequency, the frequency is related to the structural geometric dimension of the air chamber 6, and the air chamber 6 with a proper size is selected to enable the oscillation frequency of the water column in the air chamber 6 to be close to the external wave frequency to generate resonance according to the sea condition of a target sea area, so that the gas flow speed and the gas flow in the gas flow pipeline 5 are improved, and the power generation efficiency is further improved.
The square ring column body 2 can be fixed on the breakwater or the bank dyke 1 by adopting high-strength stainless steel bolts, so that the power can be stably generated by utilizing waves, and the functions of energy dissipation and wave prevention can be taken into consideration.
In this embodiment, the opening of the airflow pipeline 5 at the upper part of the square cover plate 3 is smoothed to ensure that the gas can stably enter the airflow pipeline 5, reduce the resistance and effectively improve the power generation efficiency.
In this embodiment, the turbine power generation system 4 can work under the action of the bidirectional airflow (the bidirectional airflow is that the pressure in the air chamber is higher than the external atmospheric pressure, the airflow flows out from the inside to the outside to push the turbine to rotate for power generation, and the external pressure is higher than the pressure in the air chamber, the airflow flows from the outside to the inside to push the turbine to rotate for power generation, and the airflow flows into and out of the airflow pipeline 5 to generate power, thereby improving the power generation efficiency.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, this summary should not be construed as limiting the invention.
Claims (4)
1. The utility model provides an integrated shoreside-based formula oscillating water column wave energy power generation facility of penetrating unrestrained structure that disappears which characterized in that: the turbine power generation system comprises a square ring cylinder, a square cover plate, a turbine power generation system, an air flow pipeline, an air chamber and a hollow plate;
the air chamber is a cavity formed by a square ring cylinder and a square cover plate; the square ring column body is a hollow square column body with openings at the top end and the bottom end; the back of square ring cylinder is fixed on breakwater or bank dyke, square ring cylinder sets up towards the front of wave the board that passes through the sky, square apron set up in the top of square ring cylinder, be provided with the air current pipeline on the square apron, install in the air current pipeline turbine power generation system, turbine power generation system comprises air turbine and generator, and air turbine connects the generator.
2. The shore-based oscillating water column wave energy power generation device integrated with the air-permeable wave-dissipating structure according to claim 1, characterized in that: the airflow pipeline is arranged in the center of the square cover plate.
3. The shore-based oscillating water column wave energy power generation device integrated with the air-permeable wave-dissipating structure according to claim 1, characterized in that: the hollow plate is provided with a plurality of square through holes and fixed on the square ring cylinder through high-strength bolts.
4. The shore-based oscillating water column wave energy power generation device integrated with the air-permeable wave-dissipating structure according to claim 1, characterized in that: the square ring column body, the square cover plate and the airflow pipeline are made of high-strength light materials, and joints are anchored by high-strength stainless steel bolts.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291221.9A CN115111106A (en) | 2021-03-18 | 2021-03-18 | Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure |
| AU2021102244A AU2021102244A4 (en) | 2021-03-18 | 2021-04-29 | Shore-based oscillating water column wave energy power generation device integrated with permeable wave elimination structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110291221.9A CN115111106A (en) | 2021-03-18 | 2021-03-18 | Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure |
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| Publication Number | Publication Date |
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| CN115111106A true CN115111106A (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110291221.9A Pending CN115111106A (en) | 2021-03-18 | 2021-03-18 | Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure |
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| Country | Link |
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| CN (1) | CN115111106A (en) |
| AU (1) | AU2021102244A4 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113832909B (en) * | 2021-10-11 | 2022-08-26 | 交通运输部天津水运工程科学研究所 | Ecological type net cage formula wave structure that disappears |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119379A (en) * | 1983-11-30 | 1985-06-26 | Kaiyo Kagaku Gijutsu Center | Air-turbine type wave-power generation set equipped with resonance chamber for breakwater |
| CN101962944A (en) * | 2010-09-21 | 2011-02-02 | 天津大学 | Cylindrical foundation breakwater with wave power generating function |
| CN106223262A (en) * | 2016-07-23 | 2016-12-14 | 高田华 | Generation breakwater |
| CN110344368A (en) * | 2019-07-09 | 2019-10-18 | 大连理工大学 | A kind of pile foundation assembled curtain wall type breakwater |
| CN110469448A (en) * | 2019-09-06 | 2019-11-19 | 大连理工大学 | A kind of buoyancy swinging mechanism and oscillaton water column type wave energy generating set |
| CN214464639U (en) * | 2021-03-18 | 2021-10-22 | 大连理工大学 | Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure |
-
2021
- 2021-03-18 CN CN202110291221.9A patent/CN115111106A/en active Pending
- 2021-04-29 AU AU2021102244A patent/AU2021102244A4/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60119379A (en) * | 1983-11-30 | 1985-06-26 | Kaiyo Kagaku Gijutsu Center | Air-turbine type wave-power generation set equipped with resonance chamber for breakwater |
| CN101962944A (en) * | 2010-09-21 | 2011-02-02 | 天津大学 | Cylindrical foundation breakwater with wave power generating function |
| CN106223262A (en) * | 2016-07-23 | 2016-12-14 | 高田华 | Generation breakwater |
| CN110344368A (en) * | 2019-07-09 | 2019-10-18 | 大连理工大学 | A kind of pile foundation assembled curtain wall type breakwater |
| CN110469448A (en) * | 2019-09-06 | 2019-11-19 | 大连理工大学 | A kind of buoyancy swinging mechanism and oscillaton water column type wave energy generating set |
| CN214464639U (en) * | 2021-03-18 | 2021-10-22 | 大连理工大学 | Shore-based oscillating water column wave energy power generation device integrated with open wave dissipation structure |
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| AU2021102244A4 (en) | 2021-06-03 |
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