A liquid-filled flexible concentrating underwater solar seawater desalination device
A solar and flexible technology, applied in seawater treatment, water/sewage treatment, general water supply conservation, etc., can solve problems such as the effect of light concentration, unfavorable land pressure, large footprint, etc., and achieve easy processing and standardized production and manufacturing Low cost and the effect of relieving land pressure
Inactive Publication Date: 2020-01-21
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
At this stage, the concentrators of my country's solar desalination system are mainly hard solar collectors, and most of them are installed on land, which results in a large area, which is not conducive to alleviating land pressure.
Wind and sand also have a certain impact on the concentrating effect, which is not conducive to disassembly and assembly, and requires additional devices to extract seawater and other issues
Method used
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[0028] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0029] The invention provides an underwater solar seawater desalination system based on a liquid-filled concentrator. The device mainly includes: liquid-filled flexible concentrator 1, self-siphon condenser 4, flask-type vacuum heat collecting tube 5, high-temperature inner tube 6, heat insulation layer 7, water-proof and breathable membrane 8, fresh water collector 10, one-way Valve 11, and fresh water guide pipe 14, selective absorption film 15 and liquid level balance pipe 19.
[0030] Wherein the liquid-filled flexible concentrator 1 is placed on the top of the whole set of devices, and is connected with a pulling rope 9 connected with the fixing ring 12 on the fresh water collector 10, so as to fix its position. The lower end opening of the flask type vacuum heat collecting tube 5 is on the same level as the focal plane and is fixed by a perforated b...
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The invention discloses a liquid-filled flexible underwater optically-focused solar energy seawater desalination device, which belongs to the technical fields of solar energy heat collection and seawater desalination. The device comprises a liquid-filled flexible concentrator, a flask-type vacuum heat-collecting tube, a liquid level balance pipe, a self-siphon condenser, a fresh water collector, and a non return valve. The liquid-filled flexible concentrator is used for gathering the incident rays after two times of refraction to the surface of an external pipe on the flask-type vacuum heat-collecting tube, and the incident rays are subjected to three times of refraction and is selectively absorbed by the external surface of the internal pipe. The fresh seawater is evaporated by heat, the water vapor is condensed on the external surface of a condensing section of the self-siphon condenser while meets cold, and flows to the fresh water gathering device along the external surface of the condenser tube. The collected fresh water can be taken out by the non return valve.
Description
[0001] Technical field [0002] The invention belongs to the technical field of solar energy concentration and seawater desalination utilization. Specifically, it is a new structure composed of a liquid-filled flexible concentrator combined with seawater desalination. Background technique [0003] Almost all of the water on Earth is stored in the oceans. When the water on the earth is irradiated by sunlight, it becomes water vapor and is evaporated into the air. When the water vapor meets the cold air at high altitude, it condenses into small water droplets. The small water droplets form clouds, and finally fall to the land to form fresh water. used by humans. Solar desalination is a fundamental way nature produces fresh water. The use of solar energy desalination can better balance the needs of energy and water sources, save energy, protect the environment, and form huge economic and environmental benefits. Development of desalination technology. At present, the concentr...
Claims
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IPC IPC(8): C02F1/14C02F103/08
CPCC02F1/14C02F2103/08Y02A20/124Y02A20/142Y02A20/212
Inventor 张楠郑宏飞陶涛王秋实
Owner BEIJING INSTITUTE OF TECHNOLOGYGY