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Solar seawater desalting plant

A technology of solar energy and solar generator, which is applied in seawater treatment, general water supply saving, water/sewage treatment, etc., can solve the problems of low energy efficiency, etc., and achieve the effect of high heating energy efficiency, high efficiency and high comprehensive utilization rate

Active Publication Date: 2014-08-06
江苏金羿射日新材料科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] However, the existing solar distillation method is to directly irradiate seawater with sunlight to generate steam and condense to produce fresh water, which has extremely low energy efficiency.

Method used

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  • Solar seawater desalting plant

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Embodiment Construction

[0013] In this embodiment, 20 dish-type Stirling solar power generators with a power of 25KW are used to form a dish-type Stirling solar power generation system with a total power of 500KW. 400KW is used for heating in the Stirling heat pump seawater desalination system, and 100KW is used for other purposes. Two Stirling heat pump seawater desalination devices with a motor power of 200KW are configured to form the Stirling heat pump seawater desalination system. The water pumps and water pipes that supply seawater to the two Stirling heat pump seawater desalination devices are arranged to form a seawater supply system. The fresh water produced by the two Stirling heat pump seawater desalination units are equipped with water pumps and water pipes to form a fresh water transportation system. Equipped with transportation vehicles and warehouses for storing and transporting the sea salt produced by the two Stirling heat pump seawater desalination devices, forming a sea salt storage...

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Abstract

The invention provides a solar seawater desalting plant which consists of a disc type Stirling solar power system, a Stirling heat pump seawater desalination system, a seawater supply system, a fresh water transportation system, a sea salt storage and transportation system, a power transmission and distribution system and an automatic control system. Solar energy is firstly transformed into electric energy by a heat accumulation type Stirling solar generator, and then the electric energy is used for driving a Stirling heat pump to simultaneously heat and evaporate seawater and condense water vapor so as to separate the seawater into fresh water and sea salt. Since a heat engine of the disc type Stirling solar power system is high in efficiency and the Stirling heat pump is large in heating coefficient, due to the advantage superposition of the disc type Stirling solar power system and the Stirling heat pump which are combined, the utilization rate of seawater resources is high, the yield of the fresh water is high, the water quality is good, no emission is caused and the production cost is low. Being connected with an external power grid, the power transmission and distribution system can be replenished with power from the external power grid when the sunshine is not enough so as to guarantee normal proceeding of seawater desalination.

Description

Technical field [0001] The invention relates to a seawater desalination plant, in particular to a solar seawater desalination plant. Background technique [0002] Desalination has been the dream of mankind for hundreds of years. Facing the ocean with huge water reserves, the water crisis is increasingly threatening human survival. Therefore, the ultimate way to eliminate the water crisis is to obtain fresh water from the ocean. For this reason, mankind has gone through a long process of exploration from the oldest distillation method to solar energy distillation method to the reverse osmosis method invented in modern times. So far, there has been no sea water desalination method with low cost, high yield, stable production and no environmental pollution. The application of solar distillation has a history of nearly 150 years and is still widely used. Due to the advantages of solar energy distillation, which does not consume conventional energy, is safe and environmentally frie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/14C02F103/08
CPCY02A20/124Y02A20/142Y02A20/212
Inventor 孔令斌
Owner 江苏金羿射日新材料科技有限公司
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