Floating wave energy coupled with ocean current energy seawater desalination device

Abstract

The application discloses a floating body type wave energy coupling sea current energy seawater desalination device, and relates to the technical field of comprehensive exploitation and utilization of marine energy, comprising a ring-shaped floating body, a sea current energy utilization module arranged below the ring-shaped floating body, a disc type compression module arranged at the center of the ring-shaped floating body, and a wave energy utilization module arranged above the disc type compression module; a gearbox, a booster pump and a reverse osmosis device are installed on the ring-shaped floating body. The disc type compression module, the wave energy utilization module and the sea current energy utilization module are matched to realize seawater pressurization and simultaneous capture of wave energy and sea current energy, so that the marine energy is fully utilized for seawater desalination. The water desalination device has low cost, high efficiency, energy saving and no pollution. The three modules are integrated by using the ring-shaped floating body, the device is quickly installed, the installation cost is low compared with the existing fixed pile type, and the device can be installed according to actual use requirements.

Description

Technical Field

[0001] This invention belongs to the field of marine energy comprehensive development and utilization technology, specifically to a floating wave energy coupled ocean current energy seawater desalination device. Background Technology

[0002] Currently, fossil fuels still dominate the global energy structure. With the continuous development of social production, the consumption of fossil fuels continues to increase, leading to their depletion and the resulting environmental problems such as emissions and water pollution. Ocean energy, as a renewable energy technology, is favored for its clean, environmentally friendly, and sustainable characteristics. Ocean energy is mainly divided into wave energy, ocean current energy, and tidal energy.

[0003] Most existing devices for seawater desalination using ocean energy can only capture wave energy or ocean current energy alone, and cannot capture both wave energy and ocean current energy simultaneously.

[0004] A few devices can capture wave energy and ocean current energy simultaneously, but they all use fixed foundation piles, which are costly to install and cannot be used immediately according to actual needs. Summary of the Invention

[0005] To address the problems of existing desalination devices that utilize ocean energy, which cannot simultaneously capture wave energy and ocean current energy, thus failing to fully utilize ocean energy, and the high installation costs and inability to be installed and used immediately according to actual needs due to the use of fixed foundation piles, the present invention aims to provide a floating wave energy coupled with ocean current energy desalination device.

[0006] The technical solution adopted in this invention is as follows: A floating wave energy coupled with ocean current energy seawater desalination device includes an annular float, an ocean current energy utilization module located below the annular float, a disc compression module located at the center of the annular float, and a wave energy utilization module located above the disc compression module; a gearbox, a booster pump, and a reverse osmosis device are installed on the annular float, the output ends of the ocean current energy utilization module and the wave energy utilization module are both drivenly connected to the input shaft of the gearbox, and the output shaft of the gearbox is drivenly connected to the pump shaft of the booster pump; the disc compression module is provided with an inlet and an outlet, the outlet of the disc compression module is connected to the inlet of the booster pump, and the outlet of the booster pump is connected to the inlet of the reverse osmosis device through a pipe.

[0007] Furthermore, the disc compression module includes a movable housing mounted on an annular float via an elastic rope, and a fixed disc located inside the movable housing. A pull rod is mounted at the top center of the fixed disc, and an arc-shaped guide rail that slides with the pull rod is mounted on the top surface inside the movable housing. The liquid inlet of the disc compression module is located at the bottom of the movable housing, and a water outlet channel is also provided on the fixed disc. The water inlet of the water outlet channel is connected to the inside of the movable housing, and the water outlet of the water outlet channel is the liquid outlet of the disc compression module.

[0008] Furthermore, the fixed disc is also provided with a water inlet channel. The water inlet of the water inlet channel is connected to the liquid inlet of the disc compression module through a water inlet hose, and the water outlet of the water inlet channel is connected to the inside of the movable housing. The liquid outlet of the disc compression module is connected to a water outlet hose, which penetrates the side wall of the movable housing and is connected to the liquid inlet of the booster pump.

[0009] Furthermore, water inlet channels are provided on both sides of the fixed disc, and each water inlet channel has two water outlets, which are respectively connected to the interior of the movable housing above and below the fixed disc; water outlet channels are provided on both sides of the fixed disc, and each water outlet channel has two water inlet ports, which are respectively connected to the interior of the movable housing above and below the fixed disc.

[0010] Furthermore, each of the two outlets of the water inlet channel is equipped with a one-way valve, and each of the two inlet outlets of the water outlet channel is equipped with a one-way pressure relief valve.

[0011] Furthermore, a stretchable corrugated plate is installed in the middle of the movable housing. The two ends of the stretchable corrugated plate are connected to the inner top surface and the inner bottom surface of the movable housing, respectively, to divide the internal space of the movable housing into two parts. The middle of the fixed disc passes through the stretchable corrugated plate.

[0012] Furthermore, the inner bottom surface of the arc-shaped guide rail is provided with a T-shaped groove that is closed at both ends, and the upper end of the pull rod slides within the T-shaped groove.

[0013] Furthermore, the wave energy utilization module includes a sealing cover installed on the top of the movable housing, and a main shaft located inside the sealing cover and rotatably connected to the center of the top of the movable housing via a one-way bearing. The upper end of the main shaft passes through the top of the sealing cover and is connected to the gearbox via a universal joint coupling. A ball pendulum is also provided inside the sealing cover and mounted on the main shaft.

[0014] Furthermore, the ocean current energy utilization module includes a guide pipe and a turbine located inside the guide pipe. The central shaft of the turbine is connected to the input shaft of the gearbox via a universal joint coupling. The guide pipe is mounted on the annular float via a connecting rod. The outer walls on both sides of the guide pipe are recessed inward to form an arc-shaped guide surface. A flow-dividing cone is provided in the middle of the arc-shaped guide surface, and triangular cones are arranged at equal intervals on one side of the flow-dividing cone.

[0015] Furthermore, the guide tube is provided with a channel that first narrows and then widens, and the turbine is located at the narrowest point of the channel.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are: This floating wave energy coupled with ocean current energy desalination device uses a combination of a disc compression module, a wave energy utilization module, and an ocean current energy utilization module to pressurize seawater and capture both wave energy and ocean current energy simultaneously, so as to make full use of ocean energy for seawater desalination. This method is low-cost, highly efficient, energy-saving, and pollution-free.

[0017] The seawater on the sea surface is initially compressed by a disc-type compression module, then sent to a booster pump for secondary compression, and finally sent to a reverse osmosis unit for seawater desalination.

[0018] By setting a wave energy utilization module on the disc compression module, the remaining kinetic energy after the seawater is compressed by the disc compression module is absorbed. The wave energy utilization module transfers this kinetic energy to the gearbox, which then drives the booster pump to work, compress the seawater a second time, and deliver it to the reverse osmosis unit for seawater desalination.

[0019] By setting up an ocean current energy utilization module, the impact force of the seawater flowing under the sea surface continuously impacting the module is converted into mechanical energy and transmitted to the gearbox. The gearbox then transmits this kinetic energy to the booster pump, which drives the booster pump to work, compress the seawater a second time, and deliver it to the reverse osmosis unit for seawater desalination.

[0020] By integrating the three modules using a ring-shaped floating body, the device can be installed quickly. Compared with the existing fixed pile type, the installation cost is low, the structural design is simple, and it is easy for staff to install and operate quickly. It can be installed as needed according to actual usage requirements. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1This is a three-dimensional structural schematic diagram provided for an embodiment of the present invention; Figure 2 for Figure 1 Axonometric view; Figure 3 for Figure 1 A partial schematic diagram; Figure 4 for Figure 1 Top view of the Zhonghai Current Energy Utilization Module; Figure 5 for Figure 2 Side view of the fixed disc inside the movable housing; Figure 6 for Figure 5 AA section view; Figure 7 for Figure 2 A three-dimensional structural diagram of the interior of the movable housing and the sealing cover; Figure 8 for Figure 7 Side view; Figure 9 for Figure 1 Diagram showing the upward movement of the movable housing in the middle-disc compression module; Figure 10 for Figure 1 Diagram showing the working state of the movable housing moving downwards in the middle-disc compression module. Attached image description: 1. Wave energy utilization module; 101. Main shaft; 102. Sealing cover; 103. Spherical pendulum; 2. Disc-type compression module; 201. Movable housing; 202. Fixed disc; 203. Stretchable corrugated plate; 204. Pull rod; 205. Arc-shaped guide rail; 206. Inlet hose; 207. Outlet hose; 208. Inlet; 209. Outlet channel; 210. Inlet channel; 211. Outlet channel; 212. One-way valve; 213. One-way pressure relief valve; 214. Outlet; 215. Inlet channel.

[0024] 3. Elastic rope; 4. Annular float; 401. Gearbox; 402. Booster pump; 403. Reverse osmosis unit; 5. Ocean current energy utilization module; 501. Connecting rod; 502. Flow guide pipe; 503. Arc-shaped flow guide surface; 504. Flow splitting cone; 505. Triangular cone; 506. Turbine. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0027] In the description of this invention, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use, they are only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0028] The following is combined with Figures 1-10 The present invention will be described in detail below.

[0029] Example like Figure 1 As shown, a floating wave energy coupled with ocean current energy desalination device includes an annular float 4, an ocean current energy utilization module 5 below the annular float 4, a disc compression module 2 at the center of the annular float 4, and a wave energy utilization module 1 above the disc compression module 2. A gearbox 401, a booster pump 402, and a reverse osmosis device 403 are installed on the annular float 4, preferably within a groove in the body of the annular float 4.

[0030] The output ends of the ocean current energy utilization module 5 and the wave energy utilization module 1 are both connected to the input shaft of the gearbox 401 via a drive shaft and a universal joint coupling. The output shaft of the gearbox 401 is connected to the pump shaft of the booster pump 402 via a drive shaft. The annular float 4 allows the wave energy utilization module 1 and the disc compression module 2 of this device to float on the sea surface, while the ocean current energy utilization module 5 is located below the sea surface.

[0031] The disc-shaped compression module 2 on the sea surface initially pressurizes the seawater under the fluctuation of the waves. During the compression process, the wave energy utilization module 1 installed on the disc-shaped compression module 2 also moves with the disc-shaped compression module 2 under the fluctuation of the sea waves. The wave energy utilization module 1 transfers the remaining kinetic energy after compressing the seawater to the gearbox 401, and the gearbox 401 then transfers the kinetic energy to the booster pump 402, providing further kinetic energy to the booster pump 402.

[0032] Similarly, the flowing seawater beneath the sea surface will continuously impact the ocean current energy utilization module 5. The ocean current energy utilization module 5 converts the impact force into mechanical energy and transmits it to the gearbox 401. The gearbox 401 then transmits this kinetic energy to the booster pump 402, providing kinetic energy for the booster pump 402.

[0033] It is worth noting that in the gearbox 401, two input shafts with different rotational speeds can be configured. These two input shafts are connected to the output shaft through different gear ratios. The rotational speed of the output shaft will be a weighted average of these two gear ratios, with the weight determined by the torque transmitted by each. The final rotational speed of the output shaft is the resultant of the rotational speeds transmitted by the two input shafts through their respective gears. That is, the ocean current energy utilization module 5 and the wave energy utilization module 1 are respectively connected to the input shafts of the gearbox 401, thereby effectively transferring kinetic energy to the output shaft. The output shaft of the gearbox 401 then transmits the energy to the pump shaft of the booster pump 402.

[0034] The disc-type compression module 2 is equipped with an inlet and an outlet. The outlet of the disc-type compression module 2 is connected to the inlet of the booster pump 402, and the outlet of the booster pump 402 is connected to the inlet of the reverse osmosis unit 403 through a pipeline. Water from the sea surface enters the disc-type compression module 2 through its inlet. The disc-type compression module 2 performs initial pressurization on the seawater, and then delivers it to the booster pump 402 for secondary pressurization. After the seawater is pressurized, it enters the reverse osmosis unit 403 for seawater desalination.

[0035] It is worth noting that in actual use, an anchor chain is installed between the annular float 4 and the seabed, thereby enabling the device to operate on the seabed in a certain area. Meanwhile, the specific models of the gearbox 401, booster pump 402, and reverse osmosis unit 403 are not limited here; they only need to meet the actual usage requirements. The concentrated brine in the seawater desalination section of this device can be discharged into the sea automatically due to its own high pressure characteristics. Of course, since the concentrated brine has high pressure, a simple residual pressure recovery device can be used, but due to space limitations, this will not be elaborated upon here.

[0036] By installing the wave energy utilization module 1 on the disc compression module 2, wave energy is captured while seawater is effectively compressed, which plays a role in initial pressurization and provides effective pressurization for subsequent seawater desalination. After pressurization, a booster pump 402 is used for secondary pressurization.

[0037] like Figure 2 and Figure 7 As shown, the disc compression module 2 includes a movable housing 201 mounted on an annular float 4 via an elastic rope 3, and a fixed disc 202 located inside the movable housing 201. A pull rod 204 is mounted at the top center of the fixed disc 202, and an arc-shaped guide rail 205 that slides with the pull rod 204 is mounted on the inner top surface of the movable housing 201.

[0038] It is worth noting that the movable housing 201 has a water storage cavity inside. The longitudinal cross-sectional area of ​​the water storage cavity gradually increases from the middle to both sides, and the two sides of the water storage cavity are fan-shaped cavities symmetrically distributed with the middle of the water storage cavity as the central axis.

[0039] like Figure 2 As shown, four elastic ropes 3 are provided, but in actual use, the arrangement can be adjusted according to the actual situation, and is not limited to four elastic ropes 3. The function of the elastic ropes 3 is not only to fix the disc compression module 2 to the annular float 4, but also to adjust the horizontal movement of the disc compression module 2. This is because the elastic ropes 3 have a certain degree of elasticity, so they do not affect the movement of the disc compression module 2 under the action of waves, and can also confine it to the center position of the annular float 4, preventing the disc compression module 2 from colliding with the annular float 4.

[0040] like Figure 5 As shown, preferably, the upper end of the pull rod 204 on the fixed disc 202 is spherical. The upper end of the pull rod 204 can slide along the T-shaped groove on the inner bottom surface of the arc-shaped guide rail 205, thereby fixing the fixed disc 202 relatively within the movable housing 201 through the pull rod 204, preventing it from falling due to gravity. Furthermore, to prevent the pull rod 204 from sliding out of the arc-shaped guide rail 205, both ends of the T-shaped groove can be sealed. Alternatively, the ends of the T-shaped groove can be narrowed to ensure that the pull rod 204 does not slide out. The fixed disc 202 can remain stationary or move slightly under its own weight. Therefore, when the movable shell 201 moves under the action of seawater waves, relative motion occurs between the movable shell 201 and the fixed disc 202. The upper and lower spaces between the two sides of the movable shell 201 and the fixed disc 202 change continuously, thereby forming a pressure difference, which compresses the seawater entering the movable shell 201 into the outlet channel 211.

[0041] like Figure 3 , Figure 6 , Figure 7 and Figure 8As shown, the inlet of the disc compression module 2 is located at the bottom of the movable housing 201, facilitating the entry of seawater into the movable housing 201. The fixed disc 202 is also provided with an outlet channel 211. The inlet 215 of the outlet channel 211 connects to the interior of the movable housing 201, and the outlet 209 of the outlet channel 211 serves as the outlet of the disc compression module 2, allowing seawater inside the disc compression module 2 to be transported to the inlet of the booster pump 402 through the outlet channel 211.

[0042] The fixed disc 202 is also provided with a water inlet channel 210. The water inlet 208 of the water inlet channel 210 is connected to the liquid inlet of the disc compression module 2 through the water inlet hose 206. The water outlet 214 of the water inlet channel 210 is connected to the inside of the movable housing 201. The liquid outlet of the disc compression module 2 is connected to the water outlet hose 207. The water outlet hose 207 passes through the side wall of the movable housing 201 and is connected to the liquid inlet of the booster pump 402.

[0043] Driven by the waves, the movable shell 201 moves, causing changes in the gap between the movable shell 201 and the fixed disc 202 inside. The larger the gap, the lower the pressure, and the smaller the gap, the higher the pressure, thus creating a pressure difference. External seawater is drawn in through the liquid inlet at the bottom of the movable shell 201, flows through the water inlet hose 206 into the water inlet 208 and into the water inlet channel 210, and then flows into the interior of the movable shell 201 through the water outlet 214 of the water inlet channel 210. When the movable shell 201 moves, it forces the seawater inside into the water inlet 215 of the water outlet channel 211 through the differential pressure, and then transports it through the water outlet 209 of the water outlet channel 211 to the water outlet hose 207. Finally, it is transported through the water outlet hose 207 to the booster pump 402, so that it can be transported to the reverse osmosis unit 403.

[0044] like Figure 5 and Figure 6 As shown, both sides of the fixed disc 202 are provided with water inlet channels 210, and each water inlet channel 210 is provided with two water outlets 214. The two water outlets 214 are respectively connected to the interior of the movable shell 201 above and below the fixed disc 202. Thus, when the movable shell 201 moves, the seawater outside can alternately enter the movable shell 201 above or below the fixed disc 202 according to the pressure change. Both sides of the fixed disc 202 are provided with water outlet channels 211, and each water outlet channel 211 is provided with two water inlet ports 215. The two water inlet ports 215 are respectively connected to the interior of the movable shell 201 above and below the fixed disc 202. When the movable shell 201 moves, the seawater inside the movable shell 201 can alternately enter the water outlet channel 211 according to the pressure change.

[0045] like Figure 6As shown, each water inlet channel 210 is equipped with a one-way valve 212 at each of the two outlets 214, and each water outlet channel 211 is equipped with a one-way pressure relief valve 213 at each of the two inlet ports 215. The one-way pressure relief valve 213 at the inlet port 215 causes the seawater entering the fixed disc 202 to alternately change the pressure difference in the gap space between 201 and 202. Only when a certain pressure is reached can it be discharged from the one-way pressure relief valve 213.

[0046] It is worth noting that the one-way pressure relief valve 213 will only open when a certain pressure is reached, while the one-way valve 212 does not have this function. Specific models will not be introduced here, as long as they meet the actual use requirements.

[0047] like Figure 7 and Figure 8 As shown, a stretchable corrugated plate 203 is installed in the middle of the movable housing 201. The two ends of the stretchable corrugated plate 203 are connected to the inner top surface and the inner bottom surface of the movable housing 201, respectively, to divide the internal space of the movable housing 201 into two parts. The middle of the fixed disc 202 passes through the stretchable corrugated plate 203.

[0048] It is worth noting that the stretchable corrugated board 203 can be like... Figure 8 As shown, two sets are provided. The stretchable corrugated plate 203 is made of PVC. The stretchable corrugated plate 203 divides the internal space of the movable shell 201 into left and right parts, allowing water to flow in and out of each part independently. At the same time, due to its stretchable nature, it does not affect the normal operation of the movable shell 201.

[0049] like Figure 9 As shown, when seawater surges from the right, the wave crest pushes into the left half of the disc compression module 2. Under the action of the wave crest, the left half of the movable housing 201 moves upward around the center of the fixed disc 202. Due to inertia, the fixed disc 202 remains relatively fixed, thereby compressing the seawater in the gap between the fixed disc 202 and the movable housing 201 in the lower left and upper right parts. Meanwhile, the gap between the fixed disc 202 and the movable housing 201 in the upper left and lower right parts increases, the pressure decreases, and negative pressure is generated.

[0050] At this time, when the pressure difference inside the movable housing 201 changes, seawater is drawn into the fixed disc 202 from the bottom inlet of the movable housing 201, that is, it enters the inlet channel 210 through the inlet hose 206 and the inlet 208. It then flows along the inlet channel 210 and exits through the outlet 214, which connects to the upper left side of the movable housing 201, via the one-way valve 212, entering the gap between the upper left fixed disc 202 and the movable housing 201. At the same time, because the seawater in the gap between the lower left fixed disc 202 and the movable housing 201 is compressed, when a certain pressure is reached, the one-way pressure relief valve 213 at the inlet 215 of the lower left outlet channel 211 opens, and the seawater enters the outlet channel 211. It is then transported to the outlet hose 207 through the outlet 209 on the side wall of the fixed disc 202. This completes the first compression of the seawater. Finally, the seawater is transported to the booster pump 402 for a second compression via the outlet hose 207.

[0051] Since the movable housing 201 is a whole, when the left half moves upward with the center of the fixed disc 202 as the center, the right half is subjected to a downward torque and thus moves downward. The effect produced by the gap at the diagonal position is the same as that of the left half.

[0052] At this time, when the pressure difference inside the movable housing 201 changes, seawater is drawn into the fixed disc 202 from the bottom inlet of the movable housing 201, that is, it enters the inlet channel 210 through the inlet hose 206 and the inlet port 208. It then flows along the inlet channel 210 and exits through the outlet 214, which is connected to the lower right side of the movable housing 201, via the one-way valve 212, entering the gap between the lower right fixed disc 202 and the movable housing 201. At the same time, because the seawater in the gap between the upper right fixed disc 202 and the movable housing 201 is compressed, when a certain pressure is reached, the one-way pressure relief valve 213 at the inlet port 215 of the upper right outlet channel 211 opens, and the seawater enters the outlet channel 211. It is then transported to the outlet hose 207 through the outlet port 209 on the side wall of the fixed disc 202. This completes the first compression of the seawater. Finally, the seawater is transported to the booster pump 402 for secondary compression via the outlet hose 207.

[0053] like Figure 10 As shown, as the seawater continues to flow forward, the wave crest advances to the right half of the disc compression module 2. Under the action of the wave crest, the right half of the movable housing 201 moves upward around the center of the fixed disc 202. Due to inertia, the fixed disc 202 remains relatively fixed, thereby compressing the seawater in the gap between the fixed disc 202 and the movable housing 201 in the lower right and upper left parts. Meanwhile, the gap between the fixed disc 202 and the movable housing 201 in the upper right and lower left parts increases, the pressure decreases, and negative pressure is generated.

[0054] At this time, when the pressure difference inside the movable housing 201 changes, seawater is drawn into the fixed disc 202 from the bottom inlet of the movable housing 201, that is, it enters the inlet channel 210 through the inlet hose 206 and the inlet port 208. It then flows along the inlet channel 210 and exits through the outlet 214, which connects to the upper right side of the movable housing 201, via the one-way valve 212, entering the gap between the upper right fixed disc 202 and the movable housing 201. At the same time, because the seawater in the gap between the lower right fixed disc 202 and the movable housing 201 is compressed, when a certain pressure is reached, the one-way pressure relief valve 213 at the inlet port 215 of the lower right outlet channel 211 opens, and the seawater enters the outlet channel 211. It is then transported to the outlet hose 207 through the outlet port 209 on the side wall of the fixed disc 202. This completes the first compression of the seawater. Finally, the seawater is transported to the booster pump 402 for secondary compression via the outlet hose 207.

[0055] Since the movable housing 201 is a whole, when the right half moves upward with the center of the fixed disc 202 as the center, the left half is subjected to a downward torque and thus moves downward. The effect produced by the gap at the diagonal position is the same as that of the right half.

[0056] At this time, when the pressure difference inside the movable housing 201 changes, seawater is drawn into the fixed disc 202 from the bottom inlet of the movable housing 201, that is, it enters the inlet channel 210 through the inlet hose 206 and inlet 208, and is discharged through the outlet 214 connected to the lower left side of the movable housing 201 via the one-way valve 212, entering the gap between the lower left fixed disc 202 and the movable housing 201. At the same time, because the seawater in the gap between the upper left fixed disc 202 and the movable housing 201 is compressed, when a certain pressure is reached, the one-way pressure relief valve 213 at the inlet 215 of the upper left outlet channel 211 opens, and the seawater enters the outlet channel 211, and is then transported to the outlet hose 207 through the outlet 209 on the side wall of the fixed disc 202. This completes the first compression of the seawater, and finally, the seawater is transported to the booster pump 402 for secondary compression through the outlet hose 207.

[0057] like Figure 2 , Figure 7As shown, the wave energy utilization module 1 includes a sealing cover 102 mounted on the top of the movable housing 201, and a main shaft 101 located inside the sealing cover 102 and rotatably connected to the top center of the movable housing 201 via a one-way bearing. The upper end of the main shaft 101 passes through the top of the sealing cover 102 and is connected to the gearbox 401 via a universal joint coupling. A ball joint 103 mounted on the main shaft 101 is also provided inside the sealing cover 102. A sealing ring can be provided at the contact point between the main shaft 101 and the sealing cover 102 to prevent seawater from flowing into the sealing cover 102 through the gap between them. The sealing cover 102 can be fixed to the movable housing 201 by welding, which can protect the internal main shaft 101 and prevent seawater from entering the sealing cover 102 and affecting its normal operation.

[0058] When the movable housing 201 moves with the waves, the ball pendulum 103 inside the sealing cover 102 rotates in a directional circular motion along with the movement of the movable housing 201. The ball pendulum 103 transfers the kinetic energy of the directional circular rotation to the main shaft 101. The main shaft 101 drives the gearbox 401 to rotate through the universal joint coupling and the drive shaft. The output shaft of the gearbox 401 then drives the pump shaft of the booster pump 402 to rotate, thereby causing the booster pump 402 to start working and give secondary pressurization to the seawater in the movable housing 201. The pressurized seawater is then transported to the reverse osmosis unit 403 for seawater desalination.

[0059] It should be noted that the size design of the disc compression module 2 and the wave energy utilization module 1 above it should take into account the actual situation of seawater waves. If the seawater on the right half of the disc compression module 2 is at the wave crest and the seawater on the left half is at the wave trough, the wave energy collection effect will be optimal.

[0060] like Figure 2 , Figure 4 As shown, the ocean current energy utilization module 5 includes a guide pipe 502, which has a channel that narrows and then widens. A turbine 506 is located at the narrowest point of this channel. The turbine 506 is connected to the gearbox 401 via a universal joint coupling. The guide pipe 502 is mounted on the annular float 4 via a connecting rod 501. Figure 1 As shown, the connecting rod 501 is provided with four rods, but in actual use, in order to ensure its safety and stability, the number can be increased appropriately, and it is not limited to four rods.

[0061] As seawater flows along the extension direction of the guide pipe 502, the seawater enters the guide pipe 502 and passes through the gradually narrowing guide channel, and the seawater flow velocity gradually increases until it reaches the narrowest part of the guide channel, driving the turbine 506 to rotate. Then, the turbine 506 drives the input shaft of the gearbox 401 to rotate through the rotating shaft and universal joint coupling. The output shaft of the gearbox 401 drives the pump shaft of the booster pump 402 to rotate, thereby causing the booster pump 402 to start working and to give secondary pressurization to the seawater in the movable housing 201. The pressurized seawater is then transported to the reverse osmosis unit 403 for seawater desalination.

[0062] The guide pipe 502 has arc-shaped sides, forming an arc-shaped guide surface 503. A flow-dividing cone 504 is located in the middle of the arc-shaped guide surface 503, dividing it into left and right parts. A triangular pyramid 505 is arranged at equal intervals on one side of the flow-dividing cone 504; that is, multiple triangular pyramids 505 are arranged at equal intervals on a portion of the arc-shaped guide surface 503. The triangular pyramids 505 are arranged on either the left or right portion of the arc-shaped guide surface 503 on both sides; they cannot be arranged on opposite sides.

[0063] When the seawater flow direction is not along the extension direction of the guide pipe 502, the seawater will impact the arc-shaped guide surfaces 503 on both sides of the guide pipe 502. When the seawater rushes perpendicularly towards the arc-shaped guide surfaces 503, it will be diverted by the diversion cones 504 on the arc-shaped guide surfaces 503, thus flowing along both sides of the arc-shaped guide surfaces 503. Because there is a protruding triangular cone 505 on one side of the arc-shaped guide surface 503, the frictional force it generates on the seawater is greater than that on the other side. Due to the interaction of forces, the guide pipe 502 as a whole will be subjected to a circumferential force, causing it to rotate horizontally. When the extension direction of the guide pipe 502 rotates to be consistent with the direction of the ocean current, since the arc-shaped guide surfaces 503 on both sides are not directly impacted by the ocean current, and the circumferential force generated by the friction of the seawater cancels each other out, the direction of the guide pipe 502 tends to stabilize. At this time, the extension direction of the guide pipe 502 is consistent with the direction of the ocean current, which can maximize the utilization of ocean current energy. Furthermore, the guide pipe 502 is connected to the annular float 4 via the connecting rod 501, and the annular float 4 is connected to the disc compression module 2 via the elastic rope 3. When the guide pipe 502 is impacted by the ocean current and adjusts its direction, it will first drive the annular float 4, and then drive the disc compression module 2 to adjust its direction.

[0064] This ensures that regardless of how the seawater flow changes, the wave energy utilization module 1, the disc compression module 2, and the ocean current energy utilization module 5 always remain in the direction that best utilizes the waves and ocean currents.

[0065] The above are merely preferred embodiments of the present invention and are not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A floating wave energy coupled with ocean current energy seawater desalination device, characterized in that: The system includes an annular float (4), with an ocean current energy utilization module (5) below the annular float (4), a disc compression module (2) at the center of the annular float (4), and a wave energy utilization module (1) above the disc compression module (2). The annular float (4) is equipped with a gearbox (401), a booster pump (402), and a reverse osmosis device (403). The output ends of the ocean current energy utilization module (5) and the wave energy utilization module (1) are both connected to the input shaft of the gearbox (401). The output shaft of the gearbox (401) is connected to the pump shaft of the booster pump (402). The disc compression module (2) is provided with an inlet and an outlet. The outlet of the disc compression module (2) is connected to the inlet of the booster pump (402). The outlet of the booster pump (402) is connected to the inlet of the reverse osmosis device (403) through a pipe. The disc compression module (2) includes a movable housing (201) mounted on an annular float (4) by an elastic rope (3), and a fixed disc (202) located inside the movable housing (201). A pull rod (204) is installed at the top center of the fixed disc (202), and an arc-shaped guide rail (205) that slides with the pull rod (204) is installed on the inner top surface of the movable housing (201). The liquid inlet of the disc compression module (2) is located at the bottom of the movable housing (201), and a water outlet channel (211) is also provided on the fixed disc (202). The water inlet (215) of the water outlet channel (211) is connected to the interior of the movable housing (201), and the water outlet (209) of the water outlet channel (211) is the liquid outlet of the disc compression module (2). The fixed disc (202) is also provided with a water inlet channel (210). The water inlet (208) of the water inlet channel (210) is connected to the liquid inlet of the disc compression module (2) through a water inlet hose (206). The water outlet (214) of the water inlet channel (210) is connected to the interior of the movable housing (201). The liquid outlet of the disc compression module (2) is connected to a water outlet hose (207). The water outlet hose (207) passes through the side wall of the movable housing (201) and is connected to the liquid inlet of the booster pump (402). The fixed disc (202) is provided with water inlet channels (210) on both sides, and each water inlet channel (210) is provided with two water outlets (214), which are respectively connected to the interior of the movable housing (201) above and below the fixed disc (202); the fixed disc (202) is provided with water outlet channels (211) on both sides, and each water outlet channel (211) is provided with two water inlet ports (215), which are respectively connected to the interior of the movable housing (201) above and below the fixed disc (202); Each of the inlet channels (210) is equipped with an outlet check valve (212) at each of the two outlets (214), and each of the outlet channels (211) is equipped with an inlet check pressure relief valve (213) at each of the two inlet channels (215).

2. The floating wave energy coupled with ocean current energy seawater desalination device according to claim 1, characterized in that: A stretchable corrugated plate (203) is installed in the middle of the movable housing (201). The two ends of the stretchable corrugated plate (203) are connected to the inner top surface and the inner bottom surface of the movable housing (201) respectively, so as to divide the internal space of the movable housing (201) into two parts. The middle of the fixed disc (202) passes through the stretchable corrugated plate (203).

3. The floating wave energy coupled with ocean current energy seawater desalination device according to claim 1, characterized in that: The inner bottom surface of the arc-shaped guide rail (205) is provided with a T-shaped groove closed at both ends, and the upper end of the pull rod (204) slides within the T-shaped groove.

4. The floating wave energy coupled with ocean current energy seawater desalination device according to claim 1, characterized in that: The wave energy utilization module (1) includes a sealing cover (102) installed on the top of the movable housing (201), and a main shaft (101) located inside the sealing cover (102) and rotatably connected to the top center of the movable housing (201) through a one-way bearing. The upper end of the main shaft (101) passes through the top of the sealing cover (102) and is connected to the gearbox (401) through a universal joint coupling. The sealing cover (102) is also provided with a ball pendulum (103) installed on the main shaft (101).

5. The floating wave energy coupled with ocean current energy seawater desalination device according to claim 1, characterized in that: The ocean current energy utilization module (5) includes a guide pipe (502) and a turbine (506) located inside the guide pipe (502). The central shaft of the turbine (506) is connected to the input shaft of the gearbox (401) via a universal joint coupling. The guide pipe (502) is mounted on the annular float (4) via a connecting rod (501). The outer walls on both sides of the guide pipe (502) are recessed inward to form an arc-shaped guide surface (503). A diversion cone (504) is provided in the middle of the arc-shaped guide surface (503), and triangular cones (505) are arranged at equal intervals on one side of the diversion cone (504).

6. The floating wave energy coupled with ocean current energy seawater desalination device according to claim 5, characterized in that: The guide pipe (502) has a channel that first narrows and then widens, and the turbine (506) is located at the narrowest part of the channel.

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