CN210737485U - Comb breakwater unit and system integrating oscillating water column and float type power generation device - Google Patents
Comb breakwater unit and system integrating oscillating water column and float type power generation device Download PDFInfo
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- CN210737485U CN210737485U CN201921531898.XU CN201921531898U CN210737485U CN 210737485 U CN210737485 U CN 210737485U CN 201921531898 U CN201921531898 U CN 201921531898U CN 210737485 U CN210737485 U CN 210737485U
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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
- 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
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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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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Abstract
The utility model belongs to the technical field of the breakwater, concretely relates to integrated oscillating water column and float-type power generation facility's comb-type breakwater unit and system. The utility model converts the wave energy in front of the dike into electric energy through the oscillating water column type generating set and the oscillating float type generating set; the wave resonance in the energy capturing air chamber is utilized to increase the amplitude, and the relative motion amplitude of the water body and the floater is increased, so that the conversion efficiency of the wave energy is improved. The utility model converts the wave energy in front of the breakwater into electric energy, reduces the load in front of the breakwater, and improves the overall stability of the integrated system; meanwhile, the integrated comb-type breakwater system improves the working environment of the oscillating water column type and oscillating float type wave energy power generation devices, and reduces the independent construction cost of the oscillating water column type and oscillating float type wave energy power generation devices.
Description
Technical Field
The utility model belongs to the technical field of the breakwater, concretely relates to integrated oscillating water column and float-type power generation facility's comb-type breakwater unit and system.
Background
Global non-renewable energy sources are limited such as: petroleum, coal, natural gas, and the like. Statistically, as non-renewable energy is continuously consumed by humans, the development of non-renewable energy has been exponential. Calculating according to the consumption speed and the growth rate of the whole human to energy at present: global coal reserves can only be used for about 200 years; global oil reserves can only be used for about 45 years; the global natural gas reserves can only be used for about 50 years. The pollution and development cost are higher and higher in the use process of the traditional energy, and people have to pay attention to the development and utilization of renewable energy. Ocean accounting for 71 percent of the total area of the earth firstly enters the sight of developers, ocean energy which is mainly concerned at present comprises tidal energy, tidal current energy, wave energy, temperature difference energy, salt difference energy and the like, and the wave energy becomes one of the ocean energy with the greatest development prospect due to the advantages of large reserves, wide distribution, various acquisition modes and the like.
The breakwater is used as a wave-blocking structure, and a plurality of different structural forms are derived under the background of global trade development and continuous port development so as to meet different geological conditions and use requirements. The comb-type breakwater is a novel breakwater form and is developed for meeting the geological conditions and cost requirements of the breakwater for the large-linking large-bay. The novel breakwater structure is characterized in that on the basis of a traditional breakwater of a caisson, a part of the caisson is replaced by a caisson wing plate, and the whole structure is in a comb-tooth shape and is named after the whole structure. The comb-type breakwater has the advantages of simple structural form, small foundation stress and low manufacturing cost, and the breakwater body allows water to penetrate and simultaneously can ensure a good wave dissipation effect.
The oscillating water column type wave energy power generation device is generally of a concrete structure or a steel structure and is of a cavity structure which is semi-submerged in water, an opening is formed below the water surface, gas is arranged above the water surface in the cavity, and an air nozzle is arranged above the water surface. Under the action of waves, the water body in the cavity vibrates up and down to drive air to reciprocate at the nozzle, and the reciprocating gas drives the generator to generate electricity. The oscillating water column type wave power generation device utilizes air as a conversion medium, the collection of energy is completed through the air chamber, the direct striking of waves to a power generation system can be avoided, the service life of the power generation system is prolonged, and the power generation cost is reduced. The oscillating water column type wave energy power generation device is integrated in the comb-type breakwater, so that the construction cost of the oscillating water column type wave energy power generation device can be reduced, the wave force in front of the comb-type breakwater can be reduced, and the overall stability of the comb-type breakwater is improved.
The oscillating float type wave energy power generation device is a wave energy utilization device which drives a float to move up and down through waves and converts the relative movement mechanical energy of the float into electric energy, and is generally regarded as a point absorption type device because the movement scale in the horizontal direction is smaller than the wave amplitude. The fixing mode of the oscillating float type wave energy power generation device has certain problems: the small-sized power generation device can directly float on the water surface, but the power generation efficiency is not high, and the large-sized power generation device has two anchoring modes, namely, the device is suspended in the sea through a traction rope, but the device is greatly influenced by the ocean current and is not stable enough; the other is directly fixed on the seabed, the mode is only suitable for the shallow sea field, the condition suitable for fixing is created on the seabed when the water depth is deeper, the cost is relatively high, and the satisfactory power generation cost performance is difficult to achieve. Therefore, the device has higher requirements on the stability and the reliability of the structure in a severe service environment, and the advantage of high power generation efficiency of the device is limited. The oscillating float type wave energy power generation device is integrated in the comb-type breakwater caisson, so that the cost for independently building a foundation of the oscillating float type power generation device is saved, the working environment of the oscillating float is improved by using the caisson, the problems of the fixed cost and the working environment of the oscillating float type power generation device can be solved, and the advantage of high efficiency of the oscillating float type power generation device is fully utilized.
The patent with publication number CN109356779A discloses a comb breakwater unit integrating an oscillating water column type and nodding duck type power generation devices, which comprises a caisson, wherein the caisson is installed on a riprap foundation bed, the top of the caisson is provided with a breast wall, and the back of the caisson is provided with a wing plate; the bottom of the caisson is provided with a water inlet hole, and the top of the caisson is provided with an air outlet hole. This patent fails to fully utilize the internal space of the caisson of the breakwater unit for power generation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrated oscillating water column and float type power generation facility's comb breakwater unit based on prior art, integrated oscillating float type wave energy power generation facility in the caisson improves the generating efficiency and reduces the cost of electricity generation.
The purpose of the utility model is realized through the following technical scheme: the device comprises a caisson, wherein the caisson is arranged on a riprap foundation bed, and a breast wall is arranged at the top of the caisson; the length of the breast wall is greater than that of the caisson, wing plates are arranged below the part, exceeding the caisson, of the breast wall, and the width of the wing plates in the vertical direction is smaller than that of the caisson; the bottom of the caisson is provided with a water inlet and outlet hole, and the top of the caisson is provided with a gas inlet and outlet hole; the device also comprises an oscillating floater; the oscillating floater is arranged at the central position inside the caisson; the two water inlet and outlet holes are respectively arranged at the bottoms of the front surfaces of the caissons at the left side and the right side of the oscillating floater; and the air inlet and outlet hole is connected with an air turbine.
The utility model discloses can also include:
the back of the wing plate and the back of the caisson are in the same plane.
An object of the utility model is also to provide an integrated oscillating water column and float power generation facility's comb breakwater system that constitutes by integrated oscillating water column and float power generation facility's comb breakwater unit.
The purpose of the utility model is realized through the following technical scheme: the system is formed by connecting comb-type breakwater units of an integrated oscillating water column and a float type power generation device end to end, and the system is finally ended by a caisson.
The utility model discloses can also include:
the back of a wing plate in the comb-type breakwater unit of the integrated oscillating water column and float type power generation device and the back of the caisson are positioned on the same plane.
The beneficial effects of the utility model reside in that:
the utility model converts the wave energy in front of the dike into electric energy through the oscillating water column type generating set and the oscillating float type generating set; the wave resonance in the energy capturing air chamber is utilized to increase the amplitude, and the relative motion amplitude of the water body and the floater is increased, so that the conversion efficiency of the wave energy is improved. The utility model converts the wave energy in front of the breakwater into electric energy, reduces the load in front of the breakwater, and improves the overall stability of the integrated system; meanwhile, the integrated comb-type breakwater system improves the working environment of the oscillating water column type and oscillating float type wave energy power generation devices, and reduces the independent construction cost of the oscillating water column type and oscillating float type wave energy power generation devices.
Drawings
Fig. 1 is a schematic view of an overall structure of a comb breakwater unit integrating an oscillating water column and a float type power generation device.
Fig. 2 is a front view of a comb breakwater system structure of an integrated oscillating water column and float type power generation device including two caissons.
FIG. 3 is a right side view of a cell structure of a comb breakwater of an integrated oscillating water column and float type power generation device
FIG. 4 is a left side view of a cell structure of a comb breakwater of an integrated oscillating water column and float type power generation device
FIG. 5 is a front view of a comb breakwater unit structure of an integrated oscillating water column and float type power generation device
FIG. 6 is a top view of a comb breakwater unit structure of an integrated oscillating water column and float type power generation device
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model discloses based on prior art, for alleviating the urgent demand of china's island reef construction to power supply, provide an integrated oscillating water column formula and oscillating float formula wave energy power generation facility's comb breakwater system. The novel structure type can utilize wave energy to generate electricity to relieve the urgent need of power supply, and simultaneously utilizes the breakwater structure as the installation foundation of the wave energy generating device to reduce the generating cost; on the other hand, the wave energy is converted into the electric energy by utilizing the power generation device, so that the energy in front of the breakwater can be reduced, and the stability of the integral structure of the comb-type breakwater is improved.
The utility model discloses an integrated oscillating water column and float power generation facility's comb breakwater system also can connect nodding duck formula power generation facility and hydraulic turbine formula power generation facility between two caissons.
Integrated oscillating water column and float power generation facility's comb breakwater system includes: the system comprises a comb-type breakwater system, an oscillating water column type wave energy power generation system and an oscillating float type wave energy power generation system. The comb-type breakwater system comprises a riprap foundation bed 7, an energy capturing air chamber 3, a breast wall 5 and wing plates 6; wherein, the energy capturing air chambers 3 are arranged at intervals along the axial direction of the breakwater, the wing plates 6 are arranged between the adjacent energy capturing air chambers 3, and the breast wall 5 is arranged above the energy capturing air chambers 3 and the wing plates 6. The oscillating water column type power generation system is built on the basis of an energy capturing air chamber 3 of a comb-type breakwater, an energy capturing air chamber water inlet and outlet hole 4 is formed by opening a hole below the energy capturing air chamber 3, an energy capturing air chamber air inlet and outlet hole 1 is formed by opening a hole above the energy capturing air chamber 3, and a reciprocating air turbine is connected to the air inlet and outlet hole to drive a generator to generate power; the oscillating float type power generation system is constructed on the basis of an energy capturing air chamber 3 of an oscillating water column type power generation system, an oscillating float 2 is arranged in the energy capturing air chamber 3, and the float performs heave motion along with waves in the energy capturing air chamber 3 to perform secondary capturing on the wave energy.
Comb breakwater system: the system consists of a riprap foundation bed, a caisson, wing plates and a breast wall. The caisson is sunk on the riprap foundation bed, the wing plates and the caisson main body are poured into a whole, the concrete breast wall is poured above the caisson, the left and right adjacent caisson structures are connected into a whole under the combined action of the wing plates and the breast wall, and the overall stability of the structure is improved. The caisson is modified into an energy capturing air chamber, which is hereinafter referred to as an energy capturing air chamber, waves resonate in the energy capturing air chamber, the amplitude of the water surface formed by the resonance is far higher than that of normal waves, and the energy capturing efficiency of the air chamber is greatly improved, so that the power generation efficiency is improved; meanwhile, an oscillating floater is arranged in the energy capturing air chamber to perform secondary collection on wave energy in the energy capturing air chamber.
The oscillating water column type wave energy power generation device is improved on the basis of the comb-type breakwater, a water inlet and a water outlet for waves are formed by opening the lower surface of a caisson of the comb-type breakwater, and an air inlet and an air outlet are formed by opening the upper surface of the caisson to form an energy capturing air chamber of the oscillating water column type wave energy power generation device. And the reciprocating air turbine is connected to the air inlet and outlet holes of the energy capturing air chamber to drive the generator to generate electricity, so that the oscillating water column type wave energy power generation device is formed.
The oscillating float type wave power generation device is arranged in a caisson of the comb-type breakwater. The utility model discloses a resonance of wave in the energy capturing air chamber is combined, and the relative motion mechanical energy of the oscillating floater is increased; meanwhile, the oscillating floater is arranged in the energy capturing air chamber, so that the wave energy in the energy capturing air chamber can be captured for the second time, and the wave energy generating efficiency is improved; the wave energy in front of the breakwater is reduced, the wave force in front of the breakwater is reduced, and the purpose of protecting the comb-type breakwater is achieved. The energy catching air chamber can protect the floater from being directly impacted by waves, and reduce the horizontal swing of the floater, thereby increasing the effective vertical oscillation of the power generation of the floater and improving the working environment of the oscillating floater.
The integrated system has the advantages that the oscillating water column type and oscillating float type power generation systems are utilized to fully obtain wave energy in front of the dike; the oscillating floater is arranged in the energy capturing air chamber of the oscillating water column type wave energy power generation device, so that the wave energy can be captured for the second time, the power generation efficiency of the wave energy can be obviously improved, and the working environment of the floater device can be effectively improved; the comb-type breakwater foundation is used as an installation foundation of the oscillating water column type and oscillating float type power generation systems, so that the power generation cost can be effectively reduced.
The comb breakwater system integrating the oscillating water column type and the oscillating float type generating set has the following function realization processes:
when wave crests reach the front side of the integrated system, on one hand, waves enter the energy capturing air chamber 3 through the energy capturing air chamber water inlet and outlet holes 4 to cause the water surface in the energy capturing air chamber 3 to rise, so that the air in the energy capturing air chamber 3 is compressed, the air pressure in the energy capturing air chamber 3 is increased, the air pressure in the energy capturing air chamber 3 is greater than the atmospheric pressure, high-pressure air in the energy capturing air chamber 3 flows to the atmosphere through the energy capturing air chamber air inlet and outlet holes 1 and drives an air turbine device installed at the energy capturing air chamber air inlet and outlet holes 1 to rotate at the same time, and then the conversion of wave energy to; on the other hand, the rising of the water body in the energy capturing air chamber 3 drives the oscillating floater 2 to rise, the inner layer and the outer layer of the oscillating floater generate relative motion to drive the hydraulic device to pressurize, the capturing of wave energy and the conversion to hydraulic energy are realized, and then the hydraulic generator set is utilized to convert the hydraulic energy into electric energy.
When the wave trough reaches the front side of the integrated system, on one hand, waves flow out of the energy capturing air chamber 3 through the energy capturing air chamber water inlet and outlet holes 4 to cause the water surface in the energy capturing air chamber 3 to descend, so that the air in the energy capturing air chamber 3 is pumped out, the air pressure in the energy capturing air chamber 3 is reduced, the air pressure in the energy capturing air chamber 3 is smaller than the atmospheric pressure, the high-pressure air in the atmosphere flows into the energy capturing air chamber 3 through the energy capturing air chamber water inlet and outlet holes 1 and drives the reciprocating air turbine device installed at the energy capturing air chamber water inlet and outlet holes 1 to rotate, and then the conversion from the wave; on the other hand, the falling of the water body in the energy capturing air chamber 3 drives the oscillating floater 2 to fall, the inner layer and the outer layer of the oscillating floater generate relative motion to drive the hydraulic device, the conversion of wave energy to hydraulic energy is realized, and then the hydraulic generator set is utilized to convert the hydraulic energy into electric energy.
The beneficial effects of the utility model reside in that:
the utility model converts the wave energy in front of the dike into electric energy through the oscillating water column type generating set and the oscillating float type generating set; the wave resonance in the energy capturing air chamber is utilized to increase the amplitude, and the relative motion amplitude of the water body and the floater is increased, so that the conversion efficiency of the wave energy is improved. Wave energy in front of the breakwater is converted into electric energy, so that the load borne in front of the breakwater is reduced, and the overall stability of the integrated system is improved; meanwhile, the integrated comb-type breakwater system improves the working environment of the oscillating water column type and oscillating float type wave energy power generation devices, and reduces the independent construction cost of the oscillating water column type and oscillating float type wave energy power generation devices.
1. The comb-type breakwater caisson is transformed into the energy capturing air chamber, and the oscillating water column type wave energy power generation device is built on the basis of the comb-type breakwater caisson, so that the comb-type breakwater caisson can be used by one box, and the building cost of the oscillating water column type wave energy power generation device is greatly reduced.
2. The energy capturing air chamber is internally provided with the oscillating floater type wave energy power generation device, so that the oscillating floater can be prevented from being directly impacted by waves, the working environment of the oscillating floater is improved, the service life of the power generation device is prolonged, and the energy capturing efficiency of the oscillating floater is improved; the oscillating float type wave energy power generation device is more convenient to install in the energy capturing air chamber, and the foundation is utilized together, so that the installation cost of the foundation of the power generation device can be reduced, and the later operation and maintenance are more convenient.
3. The oscillating floater type wave energy power generation device is integrated in the energy capturing air chamber of the oscillating water column type wave energy power generation device, so that the oscillating floater can be used for capturing wave energy for the second time, and the wave energy capturing efficiency is greatly improved.
4. The wave energy power generation device integrates the oscillating water column type and the oscillating floater type wave energy power generation device in the comb-type breakwater, so that wave energy in front of the breakwater can be converted into electric energy, and the electric energy is provided for the construction of coastal islands and reefs; the total energy before the dyke is reduced, the load acting force before the dyke is reduced, and the overall stability and the safety of the comb-type breakwater system are improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A comb-type breakwater unit integrating an oscillating water column and a float-type power generation device comprises a caisson, wherein the caisson is installed on a riprap foundation bed, and a breast wall is installed at the top of the caisson; the length of the breast wall is greater than that of the caisson, wing plates are arranged below the part, exceeding the caisson, of the breast wall, and the width of the wing plates in the vertical direction is smaller than that of the caisson; the bottom of the caisson is provided with a water inlet and outlet hole, and the top of the caisson is provided with a gas inlet and outlet hole; the method is characterized in that: the device also comprises an oscillating floater; the oscillating floater is arranged at the central position inside the caisson; the two water inlet and outlet holes are respectively arranged at the bottoms of the front surfaces of the caissons at the left side and the right side of the oscillating floater; and the air inlet and outlet hole is connected with an air turbine.
2. The comb breakwater unit of an integrated oscillating water column and float power plant of claim 1, wherein: the back of the wing plate and the back of the caisson are in the same plane.
3. The comb breakwater system of an integrated oscillating water column and float power plant based on the comb breakwater unit of an integrated oscillating water column and float power plant of claim 1, wherein: the system is formed by connecting comb-type breakwater units of an integrated oscillating water column and a float type power generation device end to end, and the system is finally ended by a caisson.
4. The comb breakwater system of an integrated oscillating water column and float power plant of claim 3, wherein: the back of a wing plate in the comb-type breakwater unit of the integrated oscillating water column and float type power generation device and the back of the caisson are positioned on the same plane.
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| CN201921531898.XU CN210737485U (en) | 2019-09-16 | 2019-09-16 | Comb breakwater unit and system integrating oscillating water column and float type power generation device |
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| CN201921531898.XU CN210737485U (en) | 2019-09-16 | 2019-09-16 | Comb breakwater unit and system integrating oscillating water column and float type power generation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110528477A (en) * | 2019-09-16 | 2019-12-03 | 哈尔滨工程大学 | The comb type breakwater unit and system of integrated oscillating water column and floater type power generation apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110528477A (en) * | 2019-09-16 | 2019-12-03 | 哈尔滨工程大学 | The comb type breakwater unit and system of integrated oscillating water column and floater type power generation apparatus |
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