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Solar heat collection pipe bundle type seawater desalting device, system and treatment method

A solar collector tube, seawater technology, applied in seawater treatment, heating water/sewage treatment, water/sewage treatment, etc., can solve the problem of low production efficiency and energy utilization efficiency of seawater desalination technology, large area, and solar thermal utilization efficiency. It can reduce the non-uniformity of heat flow density, reduce the area of ​​​​the area, and achieve the effect of high concentration ratio

Pending Publication Date: 2019-07-05
XI AN JIAOTONG UNIV
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Problems solved by technology

[0006] The purpose of the present invention is to provide a solar thermal collector tube bundle seawater desalination device, system and treatment method to solve the problems of low production efficiency and energy utilization efficiency, low solar heat utilization efficiency and large floor area of ​​existing seawater desalination technology. question

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  • Solar heat collection pipe bundle type seawater desalting device, system and treatment method
  • Solar heat collection pipe bundle type seawater desalting device, system and treatment method
  • Solar heat collection pipe bundle type seawater desalting device, system and treatment method

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] see figure 1 and figure 2 , a solar collector tube bundle seawater desalination device according to an embodiment of the present invention, comprising: a membrane distillation assembly 4 and a compound parabolic concentrator 5 .

[0028] Membrane distillation assembly 4 is installed in the preset position of composite parabolic concentrator 5, which is used for concentrating and heating seawater or brine to be treated; the working surface of composite parabolic concentrator 5 is a composite paraboloid, and the surface It is made of reflective material and placed on the lower side of the membrane distillation module 4 .

[0029] Membrane distillation assembly 4 comprises: seawater channel 11 to be treated and cold water channel 12; Seawater channel 11 to be treated is provided with water inlet and water outlet, is used to pas...

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Abstract

The invention discloses a solar heat collection pipe bundle type seawater desalting device, system and treatment method. The device comprises a membrane distillation assembly and a composite paraboloid condenser. The membrane distillation assembly is mounted at the preset position of the composite paraboloid condenser. The membrane distillation assembly comprises a to-be-desalted seawater channel,multiple carrying water channels, a channel outer-side heat storage material and a vacuum heat insulating layer. The to-be-desalted seawater channel is provided with a water inlet and a water outlet.The carrying water channels are provided with water inlets and water outlets. The carrying water channels are arranged in the to-be-desalted channel, and carrying water is introduced to bring fresh water converted by seawater out during work. The to-be-desalted seawater channel and the carrying water channels are separated through hydrophobic microporous membranes. The hydrophobic microporous membranes are made of polytetrafluoroethylene materials. The heat storage material and the vacuum heat insulating layer are sequentially mounted on the outer side of the seawater channel. The high solarheat utilization efficiency and the high water yield are achieved, the problem that the light gathering effect is not uniform is effectively solved, and the working time of the system is prolonged.

Description

technical field [0001] The invention belongs to the technical field of membrane distillation seawater desalination, in particular to a solar heat collection tube bundle type seawater desalination device, system and treatment method. Background technique [0002] Clean drinking water is one of the most important international health issues today, and many countries and regions are still facing the threat of fresh water shortage. In recent years, the shortage of fresh water resources has become an important obstacle to national development, and the development of open source and incremental technologies for fresh water resources has become a top priority. Seawater desalination using traditional energy has the problems of high investment, serious pollution and exacerbated energy shortage. Therefore, the use of renewable clean energy such as solar energy is an important direction for the development of seawater desalination technology. [0003] At present, the existing solar de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44C02F1/04C02F1/14C02F103/08
CPCC02F1/447C02F1/04C02F1/043C02F1/14C02F2103/08C02F2201/002Y02A20/131Y02A20/142Y02A20/212Y02A20/124
Inventor 程泽东刘师承崔锦华王怡然
Owner XI AN JIAOTONG UNIV
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