A device and method for desalinating seawater by autonomous power generation using ocean currents
A technology for desalinating water and seawater, applied in ocean energy power generation, chemical instruments and methods, separation methods, etc., to achieve the effect of solving energy consumption problems and generating electricity in a green and environmentally friendly way
Active Publication Date: 2021-05-28
SOUTHWEST PETROLEUM UNIV
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Problems solved by technology
[0004] The problem to be solved by the present invention is to propose a highly efficient and pollution-free device and method for desalinating seawater by using ocean currents to generate electricity independently
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Embodiment
[0037] When installing the device of the present invention, first install the cathode electrode sheet 8 on the inner wall of the seawater desalination separation disc 5 close to one end of the sleeve pipe 3, and install the anode electrode sheet 7 on the inner wall of the seawater desalination separation disc 5 far away from the sleeve pipe 3 end. Three parallel anion separation membranes 9 and four cation separation membranes 10 are alternately arranged in the middle of the seawater desalination separation disc 5 between the cathode electrode sheet 8 and the anode electrode sheet 7 . Then the casing 3 is installed outside the water delivery riser 1, and two sealed bearings 2 are clamped on both ends of the casing 3, and fixed with bolts, so that the two sealed bearings 2 connect the water delivery riser 1 and the casing 3 A closed space is enclosed between them to isolate the outside sea water.
[0038] Then the power lines 21 in the two impeller support frames 17 at the uppe...
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The invention relates to a device and method for desalinating seawater by using ocean currents to independently generate electricity. The device is composed of a seawater desalination system and a power generation system. The impeller rotates to generate electricity under the impact of the ocean current, and the generated current is transmitted to the cathode electrode sheet and the anode electrode sheet by the transmission line, and the Na in the seawater + Passing through the cation separation membrane and approaching the cathode electrode sheet, the Cl in seawater ‑ Pass through the anion separation membrane and approach the anode electrode sheet, Cl ‑ and Na + Concentrated water is formed after collection, and is discharged through the concentrated water flow channel to lose Cl ‑ and Na + The desalinated seawater becomes desalinated water and is collected through the desalinated water flow channel, and then sequentially passes through the desalinated water flow channel, the desalinated water diversion hole and the desalinated water diversion hole, and is collected in the water delivery riser for export. The device can make full use of ocean current energy, realize desalination of seawater without energy consumption, effectively suppress the vortex-induced vibration of the casing, and prolong the service life of the device.
Description
technical field [0001] The invention belongs to the technical field of seawater desalination, and in particular relates to a device and method for desalinating seawater by using ocean currents to independently generate electricity. Background technique [0002] The shortage of fresh water resources has developed into a global problem. The situation of fresh water resources in my country is also severe, especially in some islands, brackish water areas and inland northwest areas. Developing seawater desalination technology and asking for water from the ocean is an important way to solve the problem of water shortage. Commonly used seawater desalination methods include ion exchange membrane method, distillation method, reverse osmosis method, etc. Among them, ion exchange membrane method is relatively widely used. But no matter which desalination process is required to consume energy, and my country is a country with a large population, the power consumption is increasing rapi...
Claims
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IPC IPC(8): C02F1/469F03B13/26C02F103/08
CPCC02F1/469C02F2103/08C02F2201/009F03B13/264Y02E10/30Y02A20/144
Inventor 朱红钧戚宇航赵宏磊高岳谭小年胡洁
Owner SOUTHWEST PETROLEUM UNIV