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A solar desalination plant

A solar energy and seawater technology, applied in seawater treatment, general water supply conservation, water/sewage treatment, etc., can solve problems such as low energy efficiency, and achieve the effects of high heating energy efficiency, low mass production cost, and high comprehensive utilization rate

Active Publication Date: 2016-05-18
江苏金羿射日新材料科技有限公司
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  • Abstract
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  • Claims
  • 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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  • A solar desalination plant

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Embodiment Construction

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

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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 energy seawater desalination plant. Background technique [0002] Seawater desalination has been a dream of mankind for hundreds of years. In the face of the ocean with huge water reserves, the water crisis is threatening the survival of human beings more and more seriously. Therefore, the ultimate solution to the water crisis is to obtain fresh water from the ocean. For this reason, human beings have gone through a long process of exploration from the oldest distillation method to solar distillation method to the reverse osmosis method invented in modern times. So far, no seawater desalination method with low cost, high yield and stable production and no environmental pollution has been found. Solar distillation has been in use for nearly 150 years and is still widely used today. Due to the advantages of solar distillation without conventional energy consumption, safet...

Claims

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Application Information

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Patent Type & Authority Patents(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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