Seawater desalination system for ocean vessel

An ocean-going ship and seawater technology, which is applied in the field of seawater desalination systems for ocean-going ships, can solve the problems of ineffective use of concentrated salt water and affect the marine ecological environment, and achieve the effects of reducing salt content, reducing operating costs and reducing impact.

Inactive Publication Date: 2014-04-02
DALIAN MARITIME UNIVERSITY
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  • Application Information

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Problems solved by technology

However, the water generator discharges a large amount of concentrated brine, whose salt content is much higher than that of the source water. Near the discharge outlet, the high salinity seawater will kill or kill marine organisms in a short time, especially those that are se

Method used

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  • Seawater desalination system for ocean vessel

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Embodiment Construction

[0011] The present invention will be described in further detail below in conjunction with the accompanying drawings. Such as figure 1 As shown, a seawater desalination system of an ocean-going ship includes a seawater pump 1, a seawater filter 2, a water generator 3, a freshwater tank 4, a salinity difference power generation device 5, a power supply device 6 and a mixing cabinet 7; the seawater pump 1 Connect with the seawater filter 2, the outlet of the seawater filter 2 is connected with the water generator 3 and the salt difference power generation device 5 respectively, and the outlet of the water generator 3 is connected with the fresh water tank 4 and the salt difference power generation device 5 respectively, the The outlet of the above-mentioned salt difference power generation device 5 is connected with the mixing cabinet 7 through pipelines, and the above-mentioned power supply equipment 6 is connected with the salt difference power generation device 5 through wire...

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Abstract

The invention discloses a seawater desalination system for an ocean vessel. The seawater desalination system comprises a seawater pump, a seawater filter, a fresh water generator, a fresh water tank, a salinity gradient generating device, a power supply device and a mixing cabinet, wherein the seawater pump is connected with the seawater filter, the outlet of the seawater filter is connected with the fresh water generator and the salinity gradient generating device, respectively, the outlet of the fresh water generator is connected with the fresh water tank and the salinity gradient generating device, respectively, the outlet of the salinity gradient generating device is connected with the mixing cabinet through a pipeline, and the power supply device is connected with the salinity gradient generating device through an electric wire. According to the seawater desalination system, the salinity gradient generating device is utilized for generating the electricity by virtue of the salinity gradient between the high-concentration seawater generated by the fresh water generator and the seawater, so that the fuel oil consumed during fuel oil electricity generation is reduced, and the operating cost of the vessel is lowered; the salt content of the high-concentration seawater is reduced by utilizing the salinity gradient generating device, and the high-concentration seawater is mixed and diluted with the seawater in the mixing cabinet, so that the salt content of the high-concentration seawater discharged by the fresh water generator is reduced, and the influence to the marine environment is reduced.

Description

technical field [0001] The invention relates to a seawater desalination system, in particular to a seawater desalination system for ocean-going ships. Background technique [0002] Ships need to consume a considerable amount of fresh water every day to meet the needs of the crew and power plant. In order to increase the cargo tonnage, ocean-going ships should not carry too much fresh water. Generally, they are equipped with water generators to reduce the cost of purchasing fresh water from the port and enhance the ship's endurance. However, the water generator discharges a large amount of concentrated brine, whose salt content is much higher than that of the source water. Near the discharge outlet, the high salinity seawater will kill or kill marine organisms in a short time, especially those that are sensitive to salinity. Marine life, this will definitely affect the marine ecological environment. On the other hand, ships mainly use fuel oil to generate electricity, and t...

Claims

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Application Information

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IPC IPC(8): C02F9/02C02F103/08
Inventor 潘新祥杨纯董景明宋立国
Owner DALIAN MARITIME UNIVERSITY
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