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Low-energy consumption pressure spray desalination device and method thereof

A pressure spraying and desalination device technology, applied in chemical instruments and methods, energy wastewater treatment, water/sewage treatment, etc., can solve the problems of high-grade energy consumption, environmental pollution, low recovery rate, etc., to reduce energy consumption, reduce Investment, reduce the effect of high operating costs

Inactive Publication Date: 2012-02-22
BEIJING YUNTE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Regardless of the membrane method or the thermal method, energy consumption is the key issue. The level of energy consumption determines the level of production costs. The main energy consumption of the membrane method is electric energy. High-pressure pumping water is the main energy-consuming process of the membrane method, while the main energy consumption of the thermal method is It is heat energy. The disadvantage of using the above method for seawater desalination is that the recovery rate is low, generally lower than 50%, and the brine discharged causes environmental pollution and consumes a large amount of high-grade energy.

Method used

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  • Low-energy consumption pressure spray desalination device and method thereof
  • Low-energy consumption pressure spray desalination device and method thereof

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Embodiment Construction

[0043]Embodiments of the present invention are further described below in conjunction with accompanying drawings:

[0044] Such as figure 1 As shown, the low-energy pressure spray desalination device includes an air compressor unit 1, a high-pressure air tank 2, a high-pressure hot seawater tank 3, a desalination separation chamber 4, a hot air recovery device 5, a seawater heat exchange pool 6 and a fresh water pool 7, The tops of the air compressor unit 1, the high-pressure air tank 2 and the high-pressure hot sea water tank 3 are connected through pipelines in turn, one end of the desalination separation chamber 4 is connected to the hot air pipeline 8, and the other end is connected to the hot air recovery device 5, and the hot air A hot air blower 9 is installed in the pipeline 8, and a high-pressure spray head 10 is provided at a position close to the desalination and separation chamber 4 of the hot air pipeline 8. A far-infrared radiation emitting element 11 is provide...

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Abstract

The present invention relates to a low-energy consumption pressure spray desalination device and a method thereof, and belongs to the field of sea-water desalination. The device part mainly comprises an air compressor set, a high pressure air tank, a high pressure hot seawater tank, a desalination and separation chamber, a hot air recoverer, a seawater heat exchanger tank and a freshwater tank. The spray desalination method mainly comprises the following steps: pressing seawater in sprinklers by high pressure, carrying out salt and water separation in the desalination and separation chamber in the high pressure spray manner. According to the present invention, the heat energy recycling and utilizing is realized; the high pressure gas phase power is adopted to transfer the spray, two heat exchanger method of convection and radiation are adopted, and the condensing waste heat is adopted for seawater heat energy recycling, such that the moving parts contacting with the seawater are reduced to the minimum, the system is simple, the operation is safe and stable so as to achieve purposes of low-temperature vaporization, low energy consumption, low investment, high yield, high efficiency and long service life.

Description

technical field [0001] The invention relates to a low energy consumption pressure spray desalination device and method, belonging to the field of seawater desalination. Background technique [0002] In order to solve the water source problem that human beings depend on, seawater desalination is the fundamental method in the future. Low consumption, low carbon, low cost, high quality, high yield, high efficiency, environmental friendliness and pollution-free are the ultimate goals of seawater desalination. [0003] At present, there are more than a dozen seawater desalination technologies, of which three are mature and commonly used: reverse osmosis filtration (membrane) method, flash evaporation and low-temperature multi-effect distillation (thermal) method. Regardless of the membrane method or the thermal method, energy consumption is the key issue. The level of energy consumption determines the level of production costs. The main energy consumption of the membrane method i...

Claims

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Application Information

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IPC IPC(8): C02F1/12C02F103/08
CPCY02A20/124Y02A20/141Y02W10/37
Inventor 许刚窦小琳
Owner BEIJING YUNTE TECH
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