CN104671354A - Wave energy driven air pressure seawater desalination system - Google Patents
Wave energy driven air pressure seawater desalination system Download PDFInfo
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- CN104671354A CN104671354A CN201510084056.4A CN201510084056A CN104671354A CN 104671354 A CN104671354 A CN 104671354A CN 201510084056 A CN201510084056 A CN 201510084056A CN 104671354 A CN104671354 A CN 104671354A
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- wave energy
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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
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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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
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/144—Wave energy
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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
Abstract
The invention discloses a wave energy driven air pressure seawater desalination system. The system comprises various equipment such as a base, a plurality of groups of vibrating floaters, a plurality of sets of wave energy mechanically-transforming devices, a seawater desalinating device, a solar cell panel, a storage battery unit and a control device, wherein the plurality of groups of vibrating floaters are positioned on the inner side of the base and are used for collecting the wave energy of a plurality of points on sea surface and driving the plurality of sets of wave energy mechanically-transforming devices to compress air to form high-pressure air which is provided to the sea desalination equipment to obtain desalinated water; the solar cell panel is used for absorbing solar energy and transforming the solar energy into electric energy so as to provide necessary electric energy for the control device and the seawater desalinating device. The system disclosed by the invention has the advantages of collecting sea waves by utilizing a specific structural shape, improving the transformation efficiency of wave energy, well inhibiting the fluctuation property of wave energy, causing no pollution to environment and realizing sweater desalination by utilizing an air pressure technique, so that less system members are in contact with the seawater, and the corrosion caused by the seawater to each equipment is reduced as far as possible.
Description
Technical field
Patent of the present invention belongs to regenerable marine energy and combines with seawater resources and utilize technical field, particularly relates to a kind of air pressure seawater desalination system of powered by wave energy.
Background technology
Wave energy in ocean is widely distributed, energy-flux density large, is a kind of clean renewable energy source.Wave energy mass-producing effectively gathers and utilizes, and will be the developing direction of following wave energy utilizing apparatus.How current wave energy utilizing apparatus is general becomes electric energy to be used by multi-stage conversion by the wave energy of collection, wave energy is applied to desalination technology then relatively less.Existing Wave energy sea water desalinating technology relies on powered by wave energy hydro-pump to compress pre-treating seawater usually, first obtains the seawater of high pressure, and high pressure sea water is delivered to sea water desalting equipment reverse osmosis membrane being housed land again and obtains fresh water.There is higher corrodibility due to high pressure sea water in this technique, therefore has higher anticorrosive requirement to hydro-pump, transport pipe, hydraulic container etc., be also greatly affected the work-ing life of various hydraulic efficiency installation, is difficult to commercialization and utilizes.If thus can efficiently, stably large scale collection wave energy, by its energy apply in sea water desalting equipment, avoid various equipment to contact with high pressure sea water simultaneously as far as possible, simplify sea water desaltination step, reduce desalinating cost, will be expected to apply Wave energy sea water desalinating technology better.
Summary of the invention
The object of the present invention is to provide and a kind ofly effectively can collect wave energy and utilize the air pressure seawater desalination system of powered by wave energy.
For achieving the above object, technical solution of the present invention is:
The present invention is a kind of air pressure seawater desalination system of powered by wave energy, and it comprises pedestal, organizes oscillating floater more, overlaps wave energy mechanical conversion device, sea water desalinating plant, solar panel more; Described pedestal is made up of two trapezoidal skeleton constructions, sea water desalinating plant is installed in the middle of pedestal, many groups oscillating floater to be positioned at inside pedestal and to be connected with pedestal respectively by many cover wave energy mechanical conversion devices, and solar panel is installed on pedestal top and is connected with the secondary battery of sea water desalinating plant by wire.
Described wave energy mechanical conversion device comprises step, top chock, connecting rod, strut member, cylinder piston, cylinder, escape pipe, inlet pipe; Described oscillating floater is fixed on the lower end of connecting rod, and upper end and the step of connecting rod are hinged; Described strut member is positioned in the middle part of connecting rod, and one end is fixedly welded on connecting rod, and the other end is fixedly connected with cylinder piston; Described cylinder upper end and top chock hinged, cylinder lower end and cylinder piston pivot bush unit, can be movable relatively between cylinder piston and cylinder, cylinder is provided with escape pipe and inlet pipe, described inlet pipe one end is communicated with air, the inlet pipe the other end is communicated with cylinder via intake valve, and escape pipe one end leads to gas-accumulating tank, and the escape pipe the other end is communicated with cylinder via air outlet valve.
Described sea water desalinating plant comprises secondary battery, control device, gas-accumulating tank, pressure transmitter, safety valve, electronic control valve, strainer, sea-water pump, water tank, reverse osmosis membrane, liquidometer, plenum chamber, gas transmission main pipeline; Described secondary battery is electrically connected with control device by wire, provides electric power to control device; Described gas-accumulating tank collects the high-pressure air of many cover cylinders conveying by escape pipe, and pressure transmitter is installed on gas-accumulating tank and pressure transmitter is connected with control device by data line, and detection signal is passed to control device; Described safety valve and electronic control valve are installed on gas transmission main pipeline, and described gas transmission main pipeline one end is communicated with gas-accumulating tank, and the other end is communicated with plenum chamber via electronic control valve; Described sea-water pump one end is communicated with on the left of water tank, and the other end is communicated with seawater in the sea through filter; Described liquidometer is installed on water tank left bottom and is connected with control device by data line, and reverse osmosis membrane is installed in the middle part of water tank; Described secondary battery provides electric energy for control device and sea-water pump, and described control device is connected by the switch of feeder line with electronic control valve and sea-water pump, controls the switch of electronic control valve and sea-water pump.
After adopting such scheme, the advantage that the present invention has is:
(1) pedestal of the present invention forms angle by two trapezoidal concrete structures, and the wave passed over, towards sea direction, can be assembled, play the effect that poly-ripple increases wave, at utmost utilize wave energy by opening;
(2) the present invention can utilize multiple oscillating floater to gather wave energy simultaneously, and multiple spot wave energy is collected be converted into pressurized air energy, directly for sea water desalting equipment, decrease wave energy and transform link, improve the collecting efficiency of wave energy, and the fluctuation of wave energy can be suppressed preferably, to environment without any pollution;
(3) the present invention utilizes air pressure technology to replace traditional high pressure sea water hydraulic technique to carry out sea water desaltination, can to make in native system except the less parts such as pedestal, sea-water pump, many group oscillating floaters and contact with sea water, other device and equipment all not with contact with sea water, farthest reduce the corrosion of seawater to each equipment, there is longer work-ing life.
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is wave energy mechanical conversion apparatus structure schematic diagram of the present invention
Fig. 3 is air pressure sea water desalinating plant principle schematic of the present invention.
Embodiment
As shown in Figure 1, be one-piece construction schematic diagram of the present invention, it comprises pedestal 1, many group oscillating floaters 2, many cover wave energy mechanical conversion devices 3, sea water desalinating plant 4, solar panel 5.
Described pedestal 1 is fixed near shore, is made up of two trapezoidal skeleton constructions, and pedestal 1 one-tenth angle distributes, and the direction that angle opening transmits towards ocean wave, structure one end is positioned at seashore edge, and one end extends in the sea.Described sea water desalinating plant 4 is installed in the sea water desaltination room 10 in the middle of pedestal 1, and pedestal 1 also can use as harbour or other purposes.Described many groups oscillating floater 2 is connected with pedestal 1 respectively by many cover wave energy mechanical conversion devices 3, and many group oscillating floaters 2 are positioned at inside pedestal 1 angle, become column-shaped distribution, gather the energy of the upper and lower vertical movement of wave, produce pressurized air.Described solar panel 5 is installed on pedestal 1 top and is connected with the secondary battery 6 of sea water desalinating plant 4 by wire, collects sun power, and charges to the secondary battery 6 being installed on inside, sea water desaltination room 10.
As shown in Figure 2, be wave energy mechanical conversion apparatus structure schematic diagram of the present invention.Described a set of wave energy mechanical conversion device 3 is connected with one group of oscillating floater 2.Described wave energy mechanical conversion device 3 comprises step 11, top chock 12, connecting rod 31, strut member 32, cylinder piston 33, cylinder 34, escape pipe 35, inlet pipe 36.
Described oscillating floater 2 is shell structures, have buoyancy, can keep afloat, oscillating floater 2 is fixed on the lower end of connecting rod 31, upper end and the step 11 of connecting rod 31 are hinged, and connecting rod 31 freely up and down can rotate around the pin joint on step 11 under the driving of oscillating floater 2.Described strut member 32 is positioned in the middle part of connecting rod, and one end is fixedly welded on connecting rod 31, and strut member 32 the other end is fixedly connected with cylinder piston 33, and cylinder piston 33 can elongate or shorten along with the rotation up and down of connecting rod 31.Upper end and the top chock 12 of cylinder 34 are hinged, and can rotate freely around bearing support 12, the lower end of cylinder 34 and cylinder piston 33 pivot bush unit, and cylinder 34 and cylinder piston 33 can be movable relatively.Cylinder 34 is provided with escape pipe 35 and inlet pipe 36, escape pipe 35 is towards the gas-accumulating tank 39 being arranged on inside, sea water desaltination room 10, and inlet pipe 36 communicates with air.
Be illustrated in figure 3 air pressure sea water desalinating plant principle schematic of the present invention.It is inner that described sea water desalinating plant 4 is installed on sea water desaltination room 10, and sea water desalinating plant 4 comprises secondary battery 6, control device 7, gas-accumulating tank 39, safety valve 40, pressure transmitter 41, electronic control valve 42, strainer 43, sea-water pump 44, water tank 45, reverse osmosis membrane 46, liquidometer 47, plenum chamber 48, gas transmission main pipeline 49.Described secondary battery 6 is electrically connected with control device 7 by wire, provides electric power to control device 7.
Shown in composition graphs 2, described inlet pipe 36 one end is communicated with air, and the other end is communicated with cylinder 34 via intake valve 38.Escape pipe 35 one end is communicated with cylinder 34 via air outlet valve 37, and the other end leads to gas-accumulating tank 39.Have multiple cylinder 34 in native system, the pressurized air of each cylinder 34 is all directly delivered to gas-accumulating tank 39 by escape pipe 35 and collects.Pressure transmitter 41 to be installed on gas-accumulating tank 39 and to be connected with control device 7 by data line, and the air pressure of gas-accumulating tank 39 inside measured in real time by pressure transmitter 41, and detection signal is passed to control device 7 by data line.Safety valve 40 is installed on gas transmission main pipeline 49, opens pressure release when gas transmission main pipeline 49 air pressure exceedes maximum safety value.Described electronic control valve 42 to be also installed on gas transmission main pipeline 49 and to be connected with control device 7 by data line, receives the switch signal coming from control device 7.When the air pressure of gas-accumulating tank 39 is between the working pressure range of native system, electronic control valve 42 is opened, and high-pressure air is communicated with plenum chamber 48 with electronic control valve 42 through gas transmission main pipeline 49.Secondary battery 6 manages charge and discharge process by control device 7, and provides electric energy to sea-water pump 44.Described sea-water pump 44 one end is communicated with on the left of water tank 45, and sea-water pump 44 the other end is communicated with seawater in the sea through filter 43, and sea-water pump 44 is connected with control device 7 by data line.Described liquidometer 47 is installed on water tank 45 left bottom and is connected with control device 7 by data line, the liquid level of seawater in real-time measurement water tank 45, and measurement signal is passed to control device 7, control sea-water pump 44 switch by control device 7, extracting seawater from ocean.Reverse osmosis membrane 46 is installed in the middle part of water tank 45, and under the effect of plenum chamber 48 mesohigh air, the seawater on the left of water tank 45, by reverse osmosis membrane 46, arrives on the right side of water tank 45, obtains desalination water.
Principle of work of the present invention:
As shown in Figure 1, pedestal 1 forms angle by two trapezoidal concrete structures, is assembled by the wave passed over and transmits to seashore direction.Under action of wave force, many group oscillating floater 2 simultaneously stability wave energies, under the buoyancy of fluctuating wave, pump.
As shown in Fig. 2 composition graphs 3, owing to organizing pumping of oscillating floater 2, drive the motion of many cover wave energy mechanical conversion devices 3 more.Its process is: when oscillating floater 2 is in the decline stage, connecting rod 31 turns clockwise around step 11 around axle, now cylinder piston 33 is stretched by strut member 32, with the cylinder interior space between cylinder 34 becomes large, intake valve 38 is opened, air outlet valve 37 closes, and it is inner that outside air enters cylinder 34; When oscillating floater 2 is in ascent stage, connecting rod 31 is rotated counterclockwise around step 11, now cylinder piston 33 is compressed by strut member 32, with the cylinder interior space between cylinder 34 diminishes, intake valve 38 closes, air outlet valve 37 is opened, and cylinder 34 inner air is pressed into gas-accumulating tank 39 by escape pipe 35.According to said process, many group oscillating floaters 2, all under powered by wave energy, by the air compressing of multiple cylinder 34 inside, and are delivered to gas-accumulating tank 39 by respective escape pipe 35, in gas-accumulating tank 39, form high-pressure air.
As shown in Figure 1, Figure 2 shown in composition graphs 3, solar panel 5 absorbs sun power accumulators group 6 under the control of control device 7 and charges, and secondary battery 6 provides required electric energy for control device 7 and sea-water pump 44.
As shown in Figure 3, the detection signal from pressure transmitter 41 and liquidometer 47 measured in real time by control device 7, and detection signal is different, and the operating mode residing for system is different.
Be pumping operation mode when the sea level fluctuations on the left of liquidometer 47 detects water tank 45 is not enough, control device 7 controls electronic control valve 42 and cuts out, sea-water pump 44 is opened, and seawater is pumped on the left of water tank 45 by sea-water pump 44 through filter 43, until stop when water level arrives predeterminated position.
On the left of water tank 45, water level is in working range, and during gas-accumulating tank 39 internal air pressure deficiency, for storing gas operating mode, control device 7 controls electronic control valve 42 and cuts out, and sea-water pump 44 also cuts out, and now many group oscillating floaters 2 collect wave energy simultaneously, by the air compressing of multiple cylinder 34 inside, be delivered to gas-accumulating tank 39 respectively by respective escape pipe 35, form high-pressure air, until stop when the air pressure of gas-accumulating tank 39 inside arrives preset value.
On the left of water tank 45, water level is in working range, when gas-accumulating tank 39 internal air pressure is also in working range, for work operating mode, this timed unit 7 controls electronic control valve 42 and opens, and sea-water pump 44 cuts out, and the high pressure gas in gas-accumulating tank 39 arrive plenum chamber 48 via gas transmission main pipeline 49, under the effect of high pressure gas, seawater on the left of water tank 45, by reverse osmosis membrane 46, arrives on the right side of water tank 45, obtains desalination water.
Above-mentioned three Operation mode cycle work, thus desalination water endlessly can be obtained.
The above, be only present pre-ferred embodiments, and pedestal, oscillating floater can adopt other profiles, and oscillating floater number can change according to the specific requirement of desalination water output.Namely the profile done according to the scope of the claims of the present invention and description or the change of float number, all should still remain within the scope of the patent.
Claims (3)
1. an air pressure seawater desalination system for powered by wave energy, is characterized in that: it comprises pedestal, organizes oscillating floater more, overlaps wave energy mechanical conversion device, sea water desalinating plant, solar panel more; Described pedestal is made up of two trapezoidal skeleton constructions, sea water desalinating plant is installed in the middle of pedestal, many groups oscillating floater to be positioned at inside pedestal and to be connected with pedestal respectively by many cover wave energy mechanical conversion devices, and solar panel is installed on pedestal top and is connected with the secondary battery of sea water desalinating plant by wire.
2. the air pressure seawater desalination system of powered by wave energy according to claim 1, is characterized in that: described wave energy mechanical conversion device comprises step, top chock, connecting rod, strut member, cylinder piston, cylinder, escape pipe, inlet pipe; Described oscillating floater is fixed on the lower end of connecting rod, and upper end and the step of connecting rod are hinged; Described strut member is positioned in the middle part of connecting rod, and one end is fixedly welded on connecting rod, and the other end is fixedly connected with cylinder piston; Described cylinder upper end and top chock hinged, cylinder lower end and cylinder piston pivot bush unit, can be movable relatively between cylinder piston and cylinder, cylinder is provided with escape pipe and inlet pipe, described inlet pipe one end is communicated with air, the inlet pipe the other end is communicated with cylinder via intake valve, and escape pipe one end leads to gas-accumulating tank, and the escape pipe the other end is communicated with cylinder via air outlet valve.
3. the air pressure seawater desalination system of powered by wave energy according to claim 1, is characterized in that: described sea water desalinating plant comprises secondary battery, control device, gas-accumulating tank, pressure transmitter, safety valve, electronic control valve, strainer, sea-water pump, water tank, reverse osmosis membrane, liquidometer, plenum chamber, gas transmission main pipeline; Described secondary battery is electrically connected with control device by wire, provides electric power to control device; Described gas-accumulating tank collects the high-pressure air of many cover cylinders conveying by escape pipe, and pressure transmitter is installed on gas-accumulating tank and pressure transmitter is connected with control device by data line, and detection signal is passed to control device; Described safety valve and electronic control valve are installed on gas transmission main pipeline, and described gas transmission main pipeline one end is communicated with gas-accumulating tank, and the other end is communicated with plenum chamber via electronic control valve; Described sea-water pump one end is communicated with on the left of water tank, and the other end is communicated with seawater in the sea through filter; Described liquidometer is installed on water tank left bottom and is connected with control device by data line, and reverse osmosis membrane is installed in the middle part of water tank; Described secondary battery provides electric energy for control device and sea-water pump, and described control device is connected by the switch of feeder line with electronic control valve and sea-water pump, controls the switch of electronic control valve and sea-water pump.
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| CN201510084056.4A CN104671354B (en) | 2015-02-16 | 2015-02-16 | The air pressure seawater desalination system of powered by wave energy |
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| CN201510084056.4A CN104671354B (en) | 2015-02-16 | 2015-02-16 | The air pressure seawater desalination system of powered by wave energy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106227248A (en) * | 2016-08-17 | 2016-12-14 | 国家海洋局第海洋研究所 | Vacuum tank Liquid level is equipped |
| CN109094745A (en) * | 2018-04-23 | 2018-12-28 | 张纯杰 | Large-scale Mobile floating structures system on a kind of ocean |
| CN110204009A (en) * | 2019-07-05 | 2019-09-06 | 合肥工业大学 | A kind of wave energy and solar seawater desalination and the device of salt manufacturing |
| CN110255667A (en) * | 2019-06-18 | 2019-09-20 | 江苏科技大学 | Desalination plant suitable for floating platform on sea |
| CN114716088A (en) * | 2022-04-15 | 2022-07-08 | 浙江工业大学 | Wave energy compressed air driven seawater desalination system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109094745A (en) * | 2018-04-23 | 2018-12-28 | 张纯杰 | Large-scale Mobile floating structures system on a kind of ocean |
| CN110255667A (en) * | 2019-06-18 | 2019-09-20 | 江苏科技大学 | Desalination plant suitable for floating platform on sea |
| CN110204009A (en) * | 2019-07-05 | 2019-09-06 | 合肥工业大学 | A kind of wave energy and solar seawater desalination and the device of salt manufacturing |
| CN110204009B (en) * | 2019-07-05 | 2022-02-08 | 合肥工业大学 | Wave energy and solar seawater desalination and salt production device |
| CN114716088A (en) * | 2022-04-15 | 2022-07-08 | 浙江工业大学 | Wave energy compressed air driven seawater desalination system |
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