CN104481787A - Point absorbing type wave energy device utilizing gas turbine - Google Patents
Point absorbing type wave energy device utilizing gas turbine Download PDFInfo
- Publication number
- CN104481787A CN104481787A CN201410527404.6A CN201410527404A CN104481787A CN 104481787 A CN104481787 A CN 104481787A CN 201410527404 A CN201410527404 A CN 201410527404A CN 104481787 A CN104481787 A CN 104481787A
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- China
- Prior art keywords
- wave energy
- gas turbine
- piston
- gas
- float
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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
- F03B13/24—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 to produce a flow of air, e.g. to drive an air turbine
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention belongs to the field of renewable energy technology and ocean equipment, in particularly to a point absorbing type wave energy device utilizing gas turbine. The point absorbing type wave energy device utilizing gas turbine comprises an electricity generation cabin, a floater, vertical columns, a fixed pulley, steel cables, a piston, a one-way valve and a gas turbine. The point absorbing type wave energy device utilizing gas turbine is characterized in that the integral device is installed on the seabed foundation through the vertical columns; the electricity generation cabin is installed above the vertical columns; a gas turbine electricity generation device is installed inside the electricity generation cabin; the floater is arranged between the two vertical columns; the floater is connected with the piston inside a gas pressure chamber through the cables and the fixed pulley. The point absorbing type wave energy device utilizing gas turbine is applicable to offshore areas with rich wave energy resources, adopts a single floater design of a point absorbing type air pressure wave energy device design and can be adapted to incoming waves from various direction; the form is simple and the efficiency is stable due to the fact that the electric generation principle adopts a gas driving gas turbine mode; the safety is high due to the fact that an air pressure electricity generation device is installed inside a device main body; the integral device is simple in form and convenient to manufacture and install.
Description
Technical field
The invention belongs to novel renewable energy technology and field of marine equipment, particularly a kind of absorption wave energy apparatus of point utilizing gas-turbine.
Background technique
Along with the increase of the development of World Economics, population, the improving constantly of social life level, the demand of various countries to the energy increases rapidly.In recent years; the driving of, the energy safety of supply increasingly exhausted by fossil energy and protection of the environment etc.; ocean energy cause as one of the essential reproducible energy obtains and develops on a large scale very much, and ocean energy application technology reaches its maturity, and illustrates rosy prospect for the mankind make full use of ocean energy in 21 century.
At present, main in the world wave energy apparatus can be divided into three classes according to its position distribution: offshore type (offshore is more than 2.5Km), offshore formula and bank base formula.Wherein, offshore formula wave energy apparatus receives study widely owing to being easy to the features such as installation and maintenance, construction cost be low.Meanwhile, residing for it, wave energy density in region is relatively high, is not easy again to be subject to the boisterous impacts such as typhoon.In the last few years, this kind of wave energy apparatus obtained larger development.But collapsing force huge under considering the randomness of the specific physical chemical property of seawater and wave and its extreme weather, for being arranged on marine wave energy generating set, engineers emphasis of having to considers stability and the Security of device.While guarantee Wave energy converting device can adapt to different weather conditions, needs investigate the surviving policy and vital capacity that design under extreme weather conditions.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency such as the stability overcoming above-mentioned existing wave-powered energy technology is low, poor stability, a kind of absorption wave energy apparatus of point utilizing gas-turbine is provided, the change that it can utilize sea water level to produce with wave transmission, efficiently wave energy is converted into the kinetic energy of air-flow, and then be converted into electric energy, be applicable to greater coasting area, for the offshore installations such as Marine Navigating Light, observing station provides electric power, also direct generation of electricity networking is easy to, there is higher reliability simultaneously, be easy to manufacture and install.
The technical solution adopted for the present invention to solve the technical problems is:
Utilize the absorption wave energy apparatus of point of gas-turbine, comprise generating cabin, float, column, static pulley, wirerope, piston, one-way valve and gas-turbine.It is characterized in that: device entirety is laid on a foundation at the seabed by column; Install generating cabin above column, generating installs gas-turbine electricity generating device in cabin; Lay float between two columns, float is connected with the piston in pressure chamber with static pulley by wirerope.
Described a kind of absorption wave energy apparatus of point utilizing gas-turbine, is characterized in that: the upper and lower both sides of float are all connected with wirerope and are connected with pressure chamber by static pulley.
Described a kind of absorption wave energy apparatus of point utilizing gas-turbine, is characterized in that: in pressure chamber, cloth is placed with two groups of air inlets, outgassing nonreturn valve.
Described a kind of absorption wave energy apparatus of point utilizing gas-turbine, is characterized in that: piston both sides are articulated and connected with wirerope respectively.
Described a kind of absorption wave energy apparatus of point utilizing gas-turbine, is characterized in that: the two ends cloth of passage residing for piston is placed with brake baffle.
Wave energy apparatus is directly laid on a foundation at the seabed by column, is applicable to offshore sea waters.The main body of device can adopt prefabricated on the coast, and utilize barge to drag to specified position, submerged is installed.The change of the water level elevation that device mainly utilizes wave to cause, has nothing to do with arrival bearing, is the absorption wave energy apparatus of a kind of point.The number of its float also can rationally increase, to improve the capture rate of wave energy.When stormy waves condition is comparatively severe, can easily float be dismantled and be transported and leave, the Security of ensuring equipment.
When not having wave action, buoyancy and the gravity of float reach state of equilibrium, float transfixion.When wave is delivered to wave energy apparatus, float can move up and down along with the change of water level elevation, and then drives wirerope and piston reciprocates.When crest is by float present position, float is under the acting in conjunction of hydrodynamic pressure and hydrostatic pressure, and the equilibrium of forces suffered by float is broken, and float accelerates to move upward, and pulls the wirerope below float to move upward together.Wirerope turning to by static pulley below float, pull piston to move right, the motion of piston drives the gas flow in pressure chamber simultaneously, and left side breather check valve is opened and air inlet, right side outgassing nonreturn valve is opened and is given vent to anger simultaneously, and gas flow into main air flow passage and drives gas-turbine work to generate electricity.When crest continues to front transfer, float is along with the decline of present position water level elevation, start to accelerate downwards, and then drive piston to accelerate, until float is positioned at wave trough position left by wirerope, in this process, piston is to left movement, also drive the gas flow in pressure chamber, flow direction is contrary with a upper process, and right side breather check valve is opened and air inlet, left side outgassing nonreturn valve is opened and is given vent to anger simultaneously, and gas flow into main air flow passage and drives gas-turbine work to generate electricity.So piston enters into a reciprocating circulation along with the effect of wave, and the gas in pressure chamber also back and forth flows, and gas ceaselessly flows through gas-turbine, and then drive gas-turbine to rotate to send electric power.When wave amplitude is larger, the brake baffle installed of piston both sides can the motion amplitude of effective control piston, in order to avoid damage machinery.
The invention has the beneficial effects as follows:
The present invention is applicable to the greater coasting area of wave energy resource compared with horn of plenty, adopts the design utilizing the absorption wave energy apparatus of point of gas-turbine of single float, can adapt to the incoming wave of all directions; Its electricity generating principle have employed the mode of gas-powered gas-turbine, and form is simple, stabilised efficiency; Air pressure generating apparatus is installed on apparatus main body inside, and Security is high; Device is overall, and form is simple, is convenient to manufacture and install.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the working state schematic representation of the present invention when being positioned at crest location.
Fig. 3 is the working state schematic representation of the present invention when being positioned at wave trough position.
Fig. 4 is the schematic diagram that the present invention lays in coastal waters.
In figure, 1-generates electricity cabin, 2-float, 3-column, 4-static pulley, 5-free surface of water, 6-seabed, 7-wirerope, 8-piston, 9-gas-turbine, 10-main air flow passage, 11-brake baffle, breather check valve on the left of 12-, breather check valve on the right side of 13-, outgassing nonreturn valve on the left of 14-, outgassing nonreturn valve on the right side of 15-, 16-pressure chamber.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment 1:
As shown in Figure 1, device entirety is placed in seafloor foundation 6 by column 3; Generating cabin 1 is installed above column 3, in generating cabin 1, air pressure generating apparatus is installed; Lay float 2 between two columns 3, float 2 is connected with air pressure generating apparatus with static pulley 4 by wirerope 7; Float about 2 both sides are all connected with wirerope 7 and are connected with air pressure generating apparatus by static pulley 4; In pressure chamber 16, cloth is placed with two groups of air inlets, outgassing nonreturn valve; Piston 8 both sides are articulated and connected with wirerope 7 respectively; Residing for piston 8, the two ends cloth of passage is placed with brake baffle 11.
As shown in Figure 2, crest is through the working state of wave energy apparatus one-way valve.
As shown in Figure 3, trough is through the working state of wave energy apparatus one-way valve.
As shown in Figure 4, several absorption wave energy apparatus of point of gas-turbine that utilizes can lay side by side, forms a wave-energy power generation field.
The working principle of the present embodiment:
In actual use when not having wave action, buoyancy and the gravity of float 2 reach state of equilibrium, float 2 transfixion.When wave is delivered to wave energy apparatus, float 2 can move up and down along with the change of water level elevation, so drive wirerope 7 and piston 8 reciprocating.When crest is by float 2 present position, float 2 is under the acting in conjunction of hydrodynamic pressure and hydrostatic pressure, and the equilibrium of forces suffered by float 2 is broken, and float 2 accelerates to move upward, and pulls the wirerope 7 below float 2 to move upward together.Wirerope 7 turning to by static pulley 4 below float 2, piston 8 is pulled to move right, the motion of piston 8 drives the gas flow in pressure chamber 16 simultaneously, left side breather check valve 12 is opened and air inlet, right side outgassing nonreturn valve 15 is opened and is given vent to anger simultaneously, and gas flow into main air flow passage 10 and drives gas-turbine 9 to work and generates electricity.When crest continues to front transfer, float 2 is along with the decline of present position water level elevation, start to accelerate downwards, and then drive piston 8 to accelerate left by wirerope 7, until float 2 is positioned at wave trough position, in this process, piston 8 is to left movement, also drive the gas flow in pressure chamber 16, flow direction is contrary with a upper process, and right side breather check valve 13 is opened and air inlet, left side outgassing nonreturn valve 14 is opened and is given vent to anger simultaneously, and gas flow into main air flow passage 10 and drives gas-turbine 9 to work and generates electricity.So piston 8 enters into a reciprocating circulation along with the effect of wave, and the gas in pressure chamber 16 also back and forth flows, and gas ceaselessly flows through gas-turbine 9, and then drive gas-turbine 9 to rotate to send electric power.When wave amplitude is larger, the brake baffle 11 installed of piston 8 both sides can the motion amplitude of effective control piston 8, in order to avoid damage machinery.
Although be described the preferred embodiments of the present invention above, the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment is only schematic, is not restrictive.
Claims (5)
1. utilize the absorption wave energy apparatus of point of gas-turbine, comprise generating cabin, float, column, static pulley, wirerope, piston, one-way valve and gas-turbine, it is characterized in that: device entirety is laid on a foundation at the seabed by column; Install generating cabin above column, generating installs gas-turbine electricity generating device in cabin; Lay float between two columns, float is connected with the piston in pressure chamber with static pulley by wirerope.
2. the absorption wave energy apparatus of point utilizing gas-turbine according to claim 1, is characterized in that: the upper and lower both sides of float are all connected with wirerope and are connected with pressure chamber by static pulley.
3. the absorption wave energy apparatus of point utilizing gas-turbine according to claim 1, is characterized in that: in pressure chamber, cloth is placed with two groups of air inlets, outgassing nonreturn valve.
4. the absorption wave energy apparatus of point utilizing gas-turbine according to claim 1, is characterized in that: piston both sides are articulated and connected with wirerope respectively.
5. the absorption wave energy apparatus of point utilizing gas-turbine according to claim 1, is characterized in that: the two ends cloth of passage residing for piston is placed with brake baffle.
Priority Applications (1)
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CN201410527404.6A CN104481787A (en) | 2014-10-09 | 2014-10-09 | Point absorbing type wave energy device utilizing gas turbine |
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CN201410527404.6A CN104481787A (en) | 2014-10-09 | 2014-10-09 | Point absorbing type wave energy device utilizing gas turbine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107299875A (en) * | 2017-05-19 | 2017-10-27 | 天津大学 | A kind of Portable vibration water column wave energy generating set |
CN108798985A (en) * | 2018-07-13 | 2018-11-13 | 边令仁 | Combination cage type Wave power generation device with safeguard construction |
Citations (8)
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US4434375A (en) * | 1982-06-30 | 1984-02-28 | Taylor Robert N | Wave energy converter |
WO2001063734A2 (en) * | 2000-02-24 | 2001-08-30 | Erhard Otte | Device of converting wave power to electric power |
CN101725453A (en) * | 2010-01-14 | 2010-06-09 | 杭州海聚动力科技有限公司 | Novel wave energy generating system |
US7777359B1 (en) * | 2007-10-24 | 2010-08-17 | Gibson Allan L | Method and apparatus for generating electrical energy |
CN102272442A (en) * | 2008-12-10 | 2011-12-07 | M·德拉吉奇 | System for conversion of aquatic wave energy into electrical energy |
CN202707355U (en) * | 2012-02-21 | 2013-01-30 | 冯世春 | Ocean wave swing energy conversion device |
CN203146219U (en) * | 2013-02-25 | 2013-08-21 | 国家***第二海洋研究所 | Buoyancy pendulum device adaptive to tide level change |
CN103835869A (en) * | 2014-03-24 | 2014-06-04 | 长沙理工大学 | Ship-shaped swing type wave power generation device |
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2014
- 2014-10-09 CN CN201410527404.6A patent/CN104481787A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US4434375A (en) * | 1982-06-30 | 1984-02-28 | Taylor Robert N | Wave energy converter |
WO2001063734A2 (en) * | 2000-02-24 | 2001-08-30 | Erhard Otte | Device of converting wave power to electric power |
US7777359B1 (en) * | 2007-10-24 | 2010-08-17 | Gibson Allan L | Method and apparatus for generating electrical energy |
CN102272442A (en) * | 2008-12-10 | 2011-12-07 | M·德拉吉奇 | System for conversion of aquatic wave energy into electrical energy |
CN101725453A (en) * | 2010-01-14 | 2010-06-09 | 杭州海聚动力科技有限公司 | Novel wave energy generating system |
CN202707355U (en) * | 2012-02-21 | 2013-01-30 | 冯世春 | Ocean wave swing energy conversion device |
CN203146219U (en) * | 2013-02-25 | 2013-08-21 | 国家***第二海洋研究所 | Buoyancy pendulum device adaptive to tide level change |
CN103835869A (en) * | 2014-03-24 | 2014-06-04 | 长沙理工大学 | Ship-shaped swing type wave power generation device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107299875A (en) * | 2017-05-19 | 2017-10-27 | 天津大学 | A kind of Portable vibration water column wave energy generating set |
CN108798985A (en) * | 2018-07-13 | 2018-11-13 | 边令仁 | Combination cage type Wave power generation device with safeguard construction |
WO2020010680A1 (en) * | 2018-07-13 | 2020-01-16 | 边令仁 | Combined-cage-type sea wave power generating device with safety structure |
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