Solar-driven photo-thermal-salinity gradient power generation coupling synergistic interface evaporation system

An evaporation system and solar energy technology, applied in the direction of mechanical power generation mechanism, machine/engine, general water supply saving, etc., can solve the problems of low efficiency, affecting evaporation, solar photothermal film blockage, etc., achieve high efficiency, stable system, Cost and space saving effect

Inactive Publication Date: 2020-06-12
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology

However, after the water evaporates, the high salt concentration may cause the solar thermal film to block and affect further evaporation, and the efficiency of relying on the solar

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  • Solar-driven photo-thermal-salinity gradient power generation coupling synergistic interface evaporation system
  • Solar-driven photo-thermal-salinity gradient power generation coupling synergistic interface evaporation system

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[0021] The present invention discloses a solar-driven photothermal-salt-differential power generation coupling and synergistic interface evaporation system. The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0022] figure 1 Schematic diagram of the interface evaporation system for solar-driven photothermal-salt difference power generation coupling and efficiency. The system of the present invention includes a light-concentrating film, a solar thermal film, a salt difference power generation module, and a collection and storage device.

[0023] A light-concentrating film is installed on the upper part of the system to gather sunlight and improve the solar energy utilization efficiency of the entire system. When sunlight is directed to the system from above, most of the sunlight can be injected into the system due to the action of the light-concentrating film, which can maximize the initial energy input a...

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Abstract

The invention provides a solar-driven photo-thermal-salinity gradient power generation coupling synergistic interface evaporation system. The system comprises a light condensation film, a solar photo-thermal film, a salinity gradient power generation module and a collection and storage device, wherein the solar photo-thermal film is used for evaporating the seawater, so that the salt difference power generation module generates power by utilizing the concentration difference generated in the evaporation process and feeds back electric energy in situ to Joule to heat the solar photo-thermal film, and thereby the evaporation temperature of the solar photo-thermal film is increased, and the evaporation efficiency of the process is further improved; the storage device is used for collecting steam or condensate water generated by solar evaporation. Compared with the prior art, the solar photo-thermal conversion and utilization efficiency can be remarkably improved through the solar evaporation coupling salinity gradient power generation technology; the system is expected to be applied to the fields of sea water desalination, waste heat utilization, renewable energy power generation andthe like in a large scale.

Description

technical field [0001] The invention belongs to the field of renewable energy, and in particular relates to an interface evaporation system driven by solar energy to couple and increase efficiency of photothermal-salt difference power generation. Background technique [0002] With the development of economy and technology in today's world and the progress of human society, the contradiction between energy and environment has become increasingly intensified. All over the world, governments of various countries have formulated strategic plans for renewable energy to deal with the possible depletion of fossil fuels in the future. . As a new type of energy, solar energy has many advantages such as clean and non-polluting, large total resources, easy access, and wide distribution, so it has extremely important applications in many fields. However, the utilization of solar energy is not sufficient so far, and there are still defects such as difficult storage and low utilization e...

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Application Information

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IPC IPC(8): C02F1/14F03G7/00C02F103/08
CPCC02F1/14C02F2103/08F03G7/005Y02A20/124Y02A20/142Y02A20/212
Inventor 李宗尚刘国华徐进良冯义钧
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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