Low-temperature high-efficiency atomization ejection seawater desalination device and method thereof

A high-efficiency, seawater-based technology, applied in chemical instruments and methods, seawater treatment, general water supply conservation, etc., can solve the problems of unfavorable life of coastal residents, popularize the application of small and medium-sized coastal fishing boats, short membrane service life, high pretreatment requirements, etc., to achieve operation Low cost, low cost, good effect of salt precipitation

Pending Publication Date: 2019-06-11
ANHUI UNIV OF SCI & TECH
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Problems solved by technology

Distillation is mainly used in super-large seawater desalination treatment. The equipment is large in size and expensive in equipment. Moreover, the existing combined devices need to use electricity and heat energy at the same time. Moreover, such devices are generally combined with power plants, which is not conducive to coastal residents. Life promotion and application

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  • Low-temperature high-efficiency atomization ejection seawater desalination device and method thereof
  • Low-temperature high-efficiency atomization ejection seawater desalination device and method thereof

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[0030] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with the accompanying drawings and examples of implementation.

[0031] like figure 1 As shown, the embodiment of the present invention provides a low-temperature high-efficiency atomization injection seawater desalination device, including:

[0032] The low-pressure gasification chamber 2 generated by the negative pressure of the self-gravity of the liquid, there is a height difference H1 between the low-pressure gasification chamber 2 and the concentrated salt liquid pool 3, and there is a certain height difference H2 between the concentrated salt liquid pool 3 and the seawater raw material pool 4, and H1> H2.

[0033] The concentrated brine generated in the low-pressure gasification chamber 2 flows into the concentrated brine pool 3 through the pipeline 103 , and then the...

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Abstract

The invention relates to a low-temperature high-efficiency atomization ejection seawater desalination device and a method thereof, and is suitable for the field of seawater desalination. The device comprises a low-pressure evaporation chamber, a solar heating device, a high-efficiency atomization device, a gas-liquid separation device, and a steam injection condensation device. The method comprises the following process flow: heated seawater is sprayed out in a mist shape through the high-efficiency atomization device, after the seawater is atomized, part of the seawater becomes water vapor and the other is seawater droplets, the seawater droplets are separated by the gas-liquid separation device, and then the water vapor is subjected to injection condensation to be turned into fresh waterfor daily use. The device provided by the invention makes full use of low-grade heat energy, has low energy consumption, reduces pollution by utilizing renewable energy, has low production costs, a high yield of the fresh water and a high salt yield, is suitable for large-scale promotion, and extremely facilitates daily life of residents in coastal areas and use by small and medium-sized fishingboats.

Description

technical field [0001] The invention relates to the technical field of seawater desalination, in particular to a device and method for desalination of seawater by low-temperature high-efficiency atomization injection. Background technique [0002] my country's fresh water resources are scarce, accounting for only 1 / 30 of the world's average level, and nearly 70% of the country's urban water supply cannot be effectively guaranteed. In recent years, with the scarcity and pollution of water resources, the scarcity of fresh water in coastal areas such as Zhejiang, Fujian and Guangdong has become an important obstacle affecting the sustainable development of their economies. [0003] At present, solar thermal compression mechanical vapor recompression seawater desalination devices are basically composed of a large number of equipment such as solar collectors, steam ejectors, compressors, heating chambers, evaporators, heat exchangers, etc., and the complex structure and large foo...

Claims

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Application Information

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IPC IPC(8): C02F1/12C02F1/14C02F103/08
CPCY02A20/142Y02A20/212Y02A20/124
Inventor 刘来肥王梦雪丁曼曹云强姜佳乐杜晓丽
Owner ANHUI UNIV OF SCI & TECH
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