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Seawater desalination system and method

A high-pressure pump and return pipeline technology, applied in chemical instruments and methods, seawater treatment, general water supply conservation, etc., can solve the problems of high system power consumption, large water production, low system power consumption, etc., to solve the problem of cross-flow water desired effect

Inactive Publication Date: 2015-02-11
CHINA POWER ENG CONSULTING GRP
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention provides a seawater desalination system and method. When the power supply is large, the power consumption of the system is high and the water production capacity is large. The desalination system solves the problem of stable operation of the reverse osmosis seawater desalination system under the condition of unstable power supply

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  • Seawater desalination system and method
  • Seawater desalination system and method

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Embodiment Construction

[0036] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0037] The seawater desalination system of the present invention can realize the variable output operation of the reverse osmosis seawater desalination system. When the power supply increases, the system water production capacity increases, and when the system power supply decreases, the system water production capacity decreases.

[0038] like image 3 As shown, the seawater desalination system provided by the embodiment of the present invention includes: a booster pump 11; a security filter 12 connected to the booster pump 11 and a return pipeline; a high-pressure pump connected to the security filter 12 13; the reverse osmosis membrane element 14 that is connected with the high-pressure pump 13; and the energy recovery device 16 that is connected with...

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Abstract

The invention provides a seawater desalination system and a method. The system comprises a booster pump, a security filter and a backflow pipe both connected with the booster pump, a high-pressure pump connected with the security filter, a reverse osmosis membrane member connected with the high-pressure pump, and an energy recovery device connected with the security filter; another booster pump is connected between the energy recovery device and the high-pressure pump; the energy recovery device also is connected with the reverse osmosis membrane member; and the high-pressure pump and the booster pumps are all a plunger type water pump with a frequency converter. By employing the technical scheme, the water production amount can be adjusted according to the electric quantity supplied by the system.

Description

technical field [0001] The invention relates to the technical field of seawater desalination equipment, in particular to a seawater desalination system and method. Background technique [0002] At present, reverse osmosis seawater desalination technology is becoming more and more mature, and many water-scarce areas use this technology to obtain fresh water necessary for human survival from the sea. The principle process of reverse osmosis seawater desalination system is: seawater booster pump Security Overthinker High-pressure pump reverse osmosis membrane element For fresh water, in order to reduce the cost of water production and reduce energy consumption, the system is generally equipped with an energy recovery device. According to the type of energy recovery device, there are two basic systems for reverse osmosis seawater desalination: [0003] The first system, such as figure 1 As shown, it includes: a booster pump 11, a security filter 12 connected to the b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02C02F103/08
CPCY02A20/131C02F9/00C02F1/441C02F2103/08
Inventor 姚兴华黄晶晶毛永龙姚义
Owner CHINA POWER ENG CONSULTING GRP
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