Offshore-type wave energy sea water desalination and power generation combined device

Abstract

The invention discloses an offshore-type wave energy sea water desalination and power generation combined device. The device comprises a support platform, a floating body, a pretreatment tank, a sea water piston pump, a reverse osmosis membrane component, a thrust cylinder, a vibrating pipe-type linear generator, a fresh water tank, a fresh water piston pump and a hydroelectric generating set. Wave energy is converted into sea water pressure energy by the aid of the sea water piston pump, high-pressure sea water passes the reverse osmosis membrane component to obtain fresh water, discharged concentrated sea water drives a thrust rod and a thrust disc of the thrust cylinder to move, the thrust disc is in contact with a slider of a permanent magnet mounted in the linear generator and pushes the slider to move, and the slider in movement generates and maintains high-speed simple harmonic vibration under combined action of two groups of vibrating springs of the linear generator. The wave energy is converted into pressure energy of the obtained fresh water by the aid of the fresh water piston pump, and the high-pressure fresh water is delivered landwards automatically and drives the hydroelectric generating set to act and generate power. The offshore-type wave energy sea water desalination and power generation combined device can not only output high-frequency high-power current but also deliver fresh water landwards automatically, has the advantages of high energy utilization rate and lower power generation cost and fresh water cost, and is particularly suitable for low-cost mass production.

Description

technical field [0001] The invention belongs to the category of seawater desalination technology and new energy power generation technology, and in particular relates to an offshore wave energy seawater desalination combined power generation device. Background technique [0002] Wave energy is the highest grade and most widely distributed renewable clean energy in ocean energy. The utilization of wave energy mainly includes two aspects: wave energy power generation technology and wave energy desalination technology. The focus of wave energy power generation technology research is currently focused on devices that are recognized as having commercial value, such as oscillating water column devices, oscillating float devices, and polywave reservoir devices. However, in recent years, linear generators have begun to be applied to wave power generation devices. This power generation technology is very beneficial to simplify the structure of the power generation system and improve...

AI Technical Summary

Problems solved by technology

This process has long-distance energy transmission, voltage stabilization and energy storage processes, which increases the complexity of the system and energy loss, and also reduces the conversion efficiency and reliability of the system.

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