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Multistage seawater desalination coupling system

A coupling system and seawater technology, applied in the field of multi-stage seawater desalination coupling system, can solve the problems of low freshwater yield, achieve the effect of increasing freshwater yield, high desalination rate, and realizing energy self-sufficiency

Inactive Publication Date: 2017-07-21
DONGGUAN UNIV OF TECH
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Problems solved by technology

For example, the announcement number is CN105923708A Chinese Invention Patent Application Publication, which discloses a self-supporting electric reverse osmosis seawater desalination device, which can utilize energy sources such as wind energy, solar energy and hydraulic power, but the fresh water production rate is low

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  • Multistage seawater desalination coupling system

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with specific embodiments.

[0029] A multi-stage seawater desalination coupling system, including air humidification device, air heating device and air dehumidification device 3:

[0030] The air heating device includes an induced draft fan 5 for sucking air outside the system and a solar heat collector 6 for heating the air. The air inlet of the ventilation pipe is connected to heat the inhaled outside air of the system to form hot air; the air outlet of the heating ventilation pipe is connected to the air humidifying device. Using solar energy for heating can save a lot of energy, is conducive to environmental protection, and is also conducive to extracting more water from the mass and heat transfer with seawater in the next step.

[0031] The air humidifying device includes a spray tower 8, and the air outlet of the heating ventilation pipe communicates with the lower part of the spray t...

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Abstract

The invention discloses a multistage seawater desalination coupling system. The multistage seawater desalination coupling system comprises an air humidifying device, an air heating device and an air dehumidifying device; the multistage seawater desalination coupling system is a multistage humidification, dehumidification and reverse osmosis seawater desalination coupling device driven by solar energy, makes full use of brine coming from a humidifier, achieves deep utilization of seawater, and saves resources. The multistage seawater desalination coupling system is driven by the solar energy, a solar collector is used for heating air, and in reverse osmosis, electric energy generated by a solar photovoltaic array is used for driving a booster pump to achieve a brine pressurizing operation, so that the multistage seawater desalination coupling system is more efficient, environment-friendly, and energy-saving.

Description

technical field [0001] The invention belongs to the field of seawater desalination, and in particular relates to a multistage seawater desalination coupling system. Background technique [0002] Fresh water resources have an extremely important impact on people's production and life, and are one of the most important material foundations for human survival and development. However, the fresh water resources that can meet the production and living conditions are very limited at present, and the shortage of fresh water resources at home and abroad is becoming increasingly serious. . The ocean contains a large amount of water resources, but it contains a large amount of halogen elements and other substances, so it cannot be directly used by people. At present, the development and utilization of seawater desalination technology has increasingly become an important means to solve the shortage of freshwater resources. [0003] Commonly used seawater desalination methods include ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44C02F9/10B01D5/00B01D53/00E03B3/28C02F103/08
CPCB01D5/0003B01D53/002C02F1/14C02F1/441C02F2103/08E03B3/28Y02A20/124Y02A20/131
Inventor 黄斯珉张文凯杨敏林
Owner DONGGUAN UNIV OF TECH
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