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Sea tide energy directly driven seawater desalination-sterilization integrated device

A tidal energy, direct drive technology, applied in seawater treatment, general water supply conservation, chemical instruments and methods, etc., can solve the problems of high energy consumption and pollution, and achieve the effects of energy saving applicability, simple structure and high efficiency

Inactive Publication Date: 2017-01-04
CENT SOUTH UNIV
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Problems solved by technology

[0005] The technical problem to be solved in the present invention: Aiming at the high energy consumption and pollution of existing seawater desalination devices that use traditional fossil fuels to generate electricity, this work aims to develop a new type of seawater desalination device that uses clean energy such as ocean tidal current energy as the driving force

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  • Sea tide energy directly driven seawater desalination-sterilization integrated device
  • Sea tide energy directly driven seawater desalination-sterilization integrated device
  • Sea tide energy directly driven seawater desalination-sterilization integrated device

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with accompanying drawings and embodiments.

[0028] see figure 1 , The present invention-a seawater desalination and sterilization integrated device directly driven by tidal current energy is composed of four parts: a tidal current energy harvesting device, a pumped pressure storage system, a seawater desalination system and a concentrated seawater energy recovery and utilization system.

[0029] see figure 2 , The tidal current energy harvesting device is composed of a side shaft, a main shaft and flexible blades. The flexible blades have good adaptability to the impact of incoming flow in different directions, and drive the turbine to rotate in a fixed direction, thereby absorbing the kinetic energy of the tidal current.

[0030] see image 3 , The pumped pressure storage system consists of an Archimedes pumping screw and a centrifugal pressure storage pump. The off-pressure accumulator water pu...

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Abstract

The invention provides a sea tide energy directly driven seawater desalination-sterilization integrated device. The device comprises a tide energy acquisition device, a water drawing pressure accumulator system, a seawater desalination system and a concentrated seawater energy recovery and recycling system. Flexible blades can acquire water energy so that an impeller rotates along a fixed direction, rotation mechanical energy is transmitted to the water drawing pressure accumulator system through a speed increaser, the device sucks the seawater and continuously increases pressure, the reverse osmosis seawater desalination system produces fresh water and discharges the high-pressure concentrated seawater, and the concentrated seawater energy recovery and recycling system utilizes residual pressure of the high-pressure concentrated seawater discharged by the seawater desalination system to generate electricity, and fresh water secondary purification is realized by a UV sterilization disinfection module so that waste energy cycling use is realized. The device utilizes clean sea tide energy as motive power to carry out seawater desalination so that local materials are used, environmental protection and energy saving are realized and energy saving and sustainability requirements are satisfied.

Description

[0001] Technical field: [0002] The invention provides a seawater desalination device, specifically, a seawater desalination device that uses tidal current energy as the power source of the device, drives seawater through a reverse osmosis membrane through pumping and accumulating pressure, and uses an energy recovery device to sterilize the seawater desalination device. [0003] Background technique: [0004] At present, the global fresh water crisis has become one of the worldwide issues of widespread concern to all countries. Many countries and some regions have encountered water difficulties successively, including China. Therefore, it is imminent to solve the problem of fresh water crisis. It is understood that the seawater desalination methods currently used in the world mainly include multi-stage flash evaporation, multi-effect evaporation and reverse osmosis. Among them, reverse osmosis technology has the advantages of less investment, convenient operation, and short c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08B01D61/08B01D63/00C02F103/08
CPCY02A20/131
Inventor 刘益才陈宇超张涛宁姣邑段琼峰蔡庆晖林汝茗赵达
Owner CENT SOUTH UNIV
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