Bidirectional-drive power regulation type sea water desalination and power generation device by utilizing tidal energy

A technology of two-way drive and power generation device, applied in ocean energy power generation, pump device, seawater treatment and other directions, can solve the problems of low efficiency, difficult to use, limited height, etc.

Active Publication Date: 2012-12-26
GUANGDONG OCEAN UNIVERSITY
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  • Abstract
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Problems solved by technology

A typical method of gathering ocean energy is wave energy or tidal energy, which uses tapered channels to send seawater to a certain height to form a potential difference. However, using this method to increase the height of seawater is limit

Method used

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  • Bidirectional-drive power regulation type sea water desalination and power generation device by utilizing tidal energy
  • Bidirectional-drive power regulation type sea water desalination and power generation device by utilizing tidal energy
  • Bidirectional-drive power regulation type sea water desalination and power generation device by utilizing tidal energy

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Embodiment Construction

[0108]A method of seawater desalination and power generation driven by tidal energy. Firstly, a storage tank is built on the seashore, and the high-level seawater in the sea is used to impact the rotation of the water turbine and / or store water after ebb tide when the high tide flows into the storage tank. The high-level seawater in the pool impacts the water turbine to rotate in the process of flowing to the sea. The water turbine drives the high-pressure pump through the gearbox to generate high-pressure seawater. The high-pressure seawater first flows through the reverse osmosis membrane module to produce fresh water. About 60% of the original seawater, the concentrated seawater at this time still maintains high pressure, and the high-pressure concentrated seawater discharged from the reverse osmosis membrane module flows through the turbine and impacts the turbine to rotate, and the turbine drives the generator to generate electricity to realize the comprehensive utilization...

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Abstract

The invention discloses a bidirectional-drive power regulation type sea water desalination and power generation device by utilizing tidal energy. The bidirectional-drive power regulation type sea water desalination and power generation device comprises a reservoir, a first water turbine, a second water turbine, a transmission box, a gearbox, a first high-pressure pump, a second high-pressure pump, two groups of reverse osmosis membrane components, a turbine and a generator, wherein the power of the first high-pressure pump is higher than that of the second high-pressure pump; the first high-pressure pump, the second high-pressure pump and the two groups of reverse osmosis membrane components selectively work; the water pressure is stabilized by changing the power of the system, the high-pressure sea water is generated by respectively impacting the first water turbine and the second water turbine to rotate to serve as power in the sea water flowing process during flood tide and after ebb tide, high-pressure concentrated seawater discharged from the reverse osmosis membrane components impacts the turbine to rotate, the turbine drives the generator to rotate to generate electric energy, and comprehensive utilization and conversion of the tidal energy are realized; and moreover, additional power is not required to be provided in the system, the operating cost is low, the tidal energy is a renewable energy source, and the bidirectional-drive power regulation type sea water desalination and power generation device has the sustainable development property, high social benefits and high application value.

Description

[0001] This application is a divisional application with a filing date of December 4, 2010 in China, application number 2010105815528, and a divisional application titled "Method and device for seawater desalination and power generation driven by tidal energy". technical field [0002] The invention relates to a seawater desalination and power generation device, in particular to a seawater desalination and power generation device driven by tidal energy. Background technique [0003] Water is an important substance for the survival of human beings and all living things. The earth has sufficient water resources. The total amount of water reaches 1.4 billion cubic kilometers. However, there are very few fresh water resources that can be used by human beings, and the reserves only account for the total amount of water in the world. 2.53% of the total, and 68.7% of the fresh water exists in the form of solid glaciers, which are difficult to exploit. The only fresh water that h...

Claims

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Application Information

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IPC IPC(8): F03B13/26F03B13/00F04D13/04F04D13/12C02F1/44C02F103/08
CPCY02E10/38Y02A20/131Y02A20/144Y02E10/30
Inventor 凌长明郑章靖李军徐青邓朝晖
Owner GUANGDONG OCEAN UNIVERSITY
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