An offshore power station includes a wind turbine, a water desalination unit and an electrolysis apparatus for producing hydrogen. The water desalination unit are connected to an inlet of salted water, the electrolysis apparatus being connected to the water desalination unit for receiving a supply of desalinated water. The electrolysis apparatus and the water desalination unit are thermally connected to one another in such a way that a heat power input from the electrolysis apparatus is provided to the water desalination unit for the production of the supply of desalinated water and a cooling power input from the water desalination unit is provided to the electrolysis apparatus.

An energy-saving seawater desalination device using power generated in complementary cooperation of wind energy and light energy, and a control method are provided. The device comprises an electrical control cabinet, a photovoltaic power generation component, a wind power generation component, an energy storage device, an electric heater, etc. The present invention supplies power for power loads of a seawater desalination system through solar power generation and wind power generation in a grid-connected system, and cooperates with the traditional power grid to maximize and localize the utilization of new energy power and reduce the waste of resources. In an off-grid system, the photovoltaic power generation component and the wind power generation component convert redundant power into other forms of energy resources for energy storage through a battery or an electric heater under the condition that the generating capacity is enough. When the generating capacity is not enough, the loads are allocated to avoid the waste of energy as much as possible.

A gravity power and desalination technology system is provided, including a heat storage apparatus, an inner tube portion, a hot-air and vapor generator, and venting holes, a corrugated tube portion, an outer tube portion, an updraft wind power generator, and an artificial hydro power generator. The heat storage apparatus is provided in a lower portion and configured. The inner tube portion has an inner vent portion inside and disposed vertically over the heat storage apparatus. The hot-air and vapor generator is disposed between the heat storage apparatus and the inner tube portion. The venting holes are bored through the inner tube portion obliquely outwards. The corrugated tube portion is provided on a top portion of the outer tube portion. The updraft wind power generator and the artificial hydro power generator are installed in the lower portions of the inner vent portion and the outer vent portion, respectively.

A gravity power and desalination technology system is provided, including a heat storage apparatus, an inner tube portion, a hot-air and vapor generator, and venting holes, a corrugated tube portion, an outer tube portion, an updraft wind power generator, and an artificial hydro power generator. The heat storage apparatus is provided in a lower portion and configured. The inner tube portion has an inner vent portion inside and disposed vertically over the heat storage apparatus. The hot-air and vapor generator is disposed between the heat storage apparatus and the inner tube portion. The venting holes are bored through the inner tube portion obliquely outwards. The corrugated tube portion is provided on a top portion of the outer tube portion. The updraft wind power generator and the artificial hydro power generator are installed in the lower portions of the inner vent portion and the outer vent portion, respectively.