Hybrid MSF (multistage flash)/RO (reverse osmosis) sea water desalination system

A thermal film coupling, seawater technology, applied in seawater treatment, general water supply saving, chemical instruments and methods, etc., can solve the problems of high cost of electricity storage, high cost, low efficiency, etc. Efficient effect

Inactive Publication Date: 2014-03-26
CHINA POWER ENG CONSULTING GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the current solar photovoltaic and photothermal power generation systems still have the problems of low efficiency and high cost. If solar power is used to drive the reverse osmosis seawater desalination system, the initial investment will be too large and the economic benefits will be poor.
At present, large-scale

Method used

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  • Hybrid MSF (multistage flash)/RO (reverse osmosis) sea water desalination system
  • Hybrid MSF (multistage flash)/RO (reverse osmosis) sea water desalination system
  • Hybrid MSF (multistage flash)/RO (reverse osmosis) sea water desalination system

Examples

Experimental program
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Effect test

Embodiment 1

[0043] This embodiment provides a thermal film coupled seawater desalination system that utilizes wind energy as a clean energy source for power supply, and utilizes RO technology and MSF technology for seawater desalination treatment. like figure 2 As shown, the system includes a wind generator 201, a storage battery 202, a water intake pump 203, a seawater pretreatment device 204, a high-pressure pump 205, a booster pump 206, an RO component 207, an energy recovery device 208, a condenser 209, and a solar collector 210, heat exchanger 211, vacuum pump 212, electric heater 213, heat storage tank 214, circulation pump 215, first-level flash tank 216, second-level flash tank 217, third-level flash tank 218; among them, high-pressure pump 205 , booster pump 206, RO component 207 and energy recovery device 208 together constitute the RO subsystem; condenser 209, heat exchanger 211, vacuum pump 212, circulation pump 215, primary flash tank 216, secondary flash tank 217 Together ...

Embodiment 2

[0053] This embodiment provides a thermal film coupled seawater desalination system that utilizes tidal energy as clean energy for power supply, and utilizes RO technology and MSF technology for seawater desalination treatment. like image 3 As shown, the system includes a tidal generator 301, a storage battery 302, a water intake pump 303, a seawater pretreatment device 304, a high-pressure pump 305, a booster pump 306, an RO component 307, an energy recovery device 308, a condenser 309, and a solar collector 310, heat exchanger 311, vacuum pump 312, electric heater 313, heat storage tank 314, circulation pump 315, primary flash tank 316, secondary flash tank 317, and tertiary flash tank 318; among them, high pressure pump 305 , booster pump 306, RO assembly 307 and energy recovery device 308 together constitute the RO subsystem; condenser 309, heat exchanger 311, vacuum pump 312, circulation pump 315, primary flash tank 316, secondary flash tank 317 Together with the three-...

Embodiment 3

[0062] This embodiment provides a thermal film coupled seawater desalination system that utilizes wind energy as clean energy for power supply, and utilizes RO technology and MED technology for seawater desalination treatment. like Figure 4 As shown, the system includes a wind generator 401, a storage battery 402, a water intake pump 403, a seawater pretreatment device 404, a high-pressure pump 405, a booster pump 406, an RO component 407, an energy recovery device 408, a condenser 409, and a solar collector 410, vacuum pump 411, electric heater 412, heat storage tank 413, circulation pump 414, one-effect still 415, second-effect still 416, three-effect still 417; among them, high-pressure pump 405, booster pump 406, RO assembly 407 and energy recovery device 408 together form the RO subsystem; condenser 409, vacuum pump 411, circulation pump 414, first-effect distiller 415, second-effect distiller 416, and triple-effect distiller 417 together form the multi-effect distillati...

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Abstract

The invention provides a hybrid MSF (multistage flash)/RO (reverse osmosis) sea water desalination system and is applied to the technical field of sea water desalination. The system comprises a water pump, sea water pre-treatment equipment, an RO subsystem, a distillation subsystem, clean energy generating equipment and solar heat collection equipment, wherein the water pump is used for obtaining sea water; the sea water pre-treatment equipment is used for pre-treating the sea water; the RO subsystem is used for desalinating the pre-treated sea water to obtain fresh water through an RO technology and providing strong brine produced in the desalination process for the distillation subsystem; the distillation subsystem is used for desalinating the strong brine produced by the RO subsystem to obtain fresh water through a distillation technology; the clean energy generating equipment is used for generating electricity with clean energy and providing electric energy for the RO subsystem and the distillation subsystem; and the solar heat collection equipment is used for generating heat through solar energy and providing heat energy for the distillation subsystem. According to the system, the strong brine produced by the RO subsystem is used as feed water of the distillation subsystem, characteristics of the RO technology and the distillation technology are effectively utilized, and the system has the advantages of high sea water desalination efficiency, low production cost, proneness to popularization and use and the like.

Description

technical field [0001] The invention relates to the technical field of seawater desalination, in particular to a thermal film coupled seawater desalination system. Background technique [0002] Water resources are the material basis for the production and life of human society. The per capita freshwater consumption in my country is only 1 / 4 of the world average level, and the pressure on water resources is huge. Especially in coastal areas, due to the developed economy, the consumption of water resources is huge. At present, more than 300 coastal cities in my country are facing water shortage problems. The shortage of water resources not only limits the development speed of the local economy and the further improvement of people's quality of life, but also causes problems such as seawater intrusion and ground subsidence caused by excessive exploitation of groundwater. Therefore, using seawater desalination technology to obtain fresh water from the ocean is an effective wa...

Claims

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Application Information

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IPC IPC(8): C02F9/10C02F103/08
CPCY02A20/131
Inventor 周喆李超毛永龙
Owner CHINA POWER ENG CONSULTING GRP
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