Method and device for desalination of seawater with alternating drop of temperature difference fluid
A fluid and temperature difference technology, applied in chemical instruments and methods, seawater treatment, general water supply conservation, etc., can solve the problems of low energy efficiency utilization, high investment cost, high mass transfer resistance, etc., and achieve compact overall design and high mass transfer efficiency , the effect of small mass transfer resistance
Active Publication Date: 2022-01-25
北京佑陆科技有限公司
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Problems solved by technology
Therefore, the investment cost is large, the structure is complex, and it is not easy to control
Moreover, during the heat exchange process of evaporation and condensation, the system has high mass transfer resistance and low energy efficiency utilization.
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[0029] The technical solutions of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0030] figure 1 It is the operating principle diagram of the system of the present invention. exist figure 1 Among them, the operating principle of the device can be explained step by step as follows: feed seawater through the fresh water cooling tank (10), recover the sensible heat of the fresh water therein; (3) Stimulate to the concentrated brine receiving tank (13) below; the cold fresh water stimulation pipes (2) and the hot sea water stimulation pipes (3) are densely and alternately arranged; the cold fresh water is stimulated by the cold fresh water To the fresh water receiving tank (12) below to complete the circulation process. This method utilizes the principle that hot sea water generates hot steam during the falling process, and the steam encounters the cold and fresh water falling around it, and the p...
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The invention discloses a method and a device for desalination of seawater of a temperature-difference fluid interactive drop type, and belongs to the technical field of seawater desalination. The main components include shell, cold and fresh water shower pipe, hot sea water shower pipe, heat source water tank, fresh water cooling water tank, circulating water pump, liquid receiving tank, etc. Feed seawater passes through the fresh water cooling tank to recover the sensible heat of the fresh water, and then is further heated to the working temperature through the heat source water tank, and then is stimulated to the sea water receiving tank below through the hot sea water stimulation pipe. The cold and fresh water spray pipes and the hot sea water spray pipes are densely and interlacedly distributed, and the cold fresh water is stimulated to the fresh water receiving tank below through the cold fresh water spray pipes to complete the circulation process. This method utilizes the principle that hot sea water generates hot steam during the falling process, and the steam encounters the cold and fresh water falling around it, and condenses when it encounters condensation to produce fresh water. The fresh water in the fresh water receiving tank flows into the fresh water cooling tank through the pipeline, and after exchanging heat with the cold sea water for cooling, part of it is sent to the cold fresh water shower pipe for recycling through the water pump, and the other part is sent to the user through the overflow pipe.
Description
[0001] Technical field [0002] The invention belongs to the fields of seawater desalination, high-salt waste water treatment and enhanced heat exchange, and specifically relates to a method and device for desalination of seawater with a temperature difference fluid interactive drop type. Background technique [0003] Most of the water resources on earth are stored in seawater. Seawater desalination technology is an important way to solve the shortage of freshwater resources. It can guarantee the pure water supply for coastal residents, ships, rural brackish water areas and isolated islands, and can also treat waste water for factories to protect the environment. At present, seawater desalination technologies mainly include reverse osmosis membrane method and distillation method. The reverse osmosis membrane method consumes a lot of electric energy, is not economical, and is not friendly to the environment. Traditional distillation methods, such as cryogenic multiple-effect...
Claims
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IPC IPC(8): C02F1/04C02F1/10C02F103/08
CPCY02A20/124
Inventor 郑彦捷郑宏飞金日辉
Owner 北京佑陆科技有限公司