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Novel power-enhanced evaporation focusing type solar seawater desalination device

A solar energy and solar energy absorption technology, which is applied in seawater treatment, general water supply conservation, water/sewage treatment, etc., can solve the problems such as the difficulty of controlling the vacuum degree of the system, and achieve the effects of improving energy utilization, increasing water production rate, and strengthening evaporation

Active Publication Date: 2021-12-03
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

The Chinese invention patent with the patent number CN200910197518.8 discloses a low-pressure solar seawater desalination device using an ejector. The low-pressure vacuum of the entire system is formed by the weight of seawater, so the vacuum degree of the system is not easy to control

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  • Novel power-enhanced evaporation focusing type solar seawater desalination device

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Embodiment Construction

[0014] A new type of power-enhanced evaporation focused solar seawater desalination device mainly includes a focused solar heat collector 8, a solar absorption tube 7, a water-cooled condenser 10, a fresh water storage tank 15, a seawater storage tank 3, and a low-pressure pump (1) 1 And several parts such as low-pressure pump (two) 13. The seawater in the seawater storage tank 3 enters the solar absorbing pipe 7 through the first pipeline 6 of the absorbing pipe, where the solar energy is absorbed to make the temperature rise to about 80° C. The pressure in the solar absorbing tube 7 is lower than the ambient pressure, and the seawater boils at about 80°C. The water vapor generated in the solar absorbing tube 7 enters the water-cooled condenser 10 along the second pipe 9 of the absorbing tube to exchange heat with the condensing coil 16 to generate condensation, and the latent heat of condensation of the water vapor preheats the cold seawater in the water-cooled condenser 10 ...

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Abstract

The invention discloses a novel power-enhanced evaporation focusing type solar seawater desalination device which is characterized in that a solar absorption pipe is mounted on a focal line of a groove-shaped paraboloid focusing heat collector of a focusing type solar heat collector, and the left end of the solar absorption pipe is connected with a seawater storage tank through a first absorption pipe pipeline; the right end connected with a condensing coil through a second absorption pipe pipeline; the other end of the condensing coil is connected with a fresh water storage tank through a fresh water collecting pipe, the condensing coil is located in the water-cooled condenser, the upper portion of the fresh water storage tank is connected with a second low-pressure pump through a second exhaust pipe, and the lower end of the fresh water storage tank is connected with a fresh water outlet. The lower portion of the water-cooled condenser is connected with a cold seawater inlet pipe, and the upper portion of the water-cooled condenser is connected with a seawater outlet pipe, the other end of the seawater outlet pipe is connected with the seawater storage tank. The upper portion of the seawater storage tank is connected with the a low-pressure pump through a first exhaust pipe. According to the device, evaporation of seawater is enhanced, the water production rate of the device is increased, condensation latent heat of water vapor is fully utilized, and the utilization rate of solar energy is increased.

Description

technical field [0001] The invention relates to the technical field of seawater desalination, in particular to a novel power-enhanced evaporation focused solar seawater desalination device. Background technique [0002] The steam of the traditional pan-type solar still condenses on the cover plate, and the latent heat of condensation of water vapor increases the temperature of the glass cover plate, thereby reducing the temperature difference between the evaporation water surface and the condensation surface, weakening the steam generation rate on the water surface, and then The water production rate and energy utilization efficiency of the distiller are reduced, so that the water production rate of the disc solar distiller is low. The total heat capacity of the traditional disc solar distillation device is too large, thereby reducing the efficiency of increasing the water temperature in the disc, reducing the water outlet time and water production volume of the device. The...

Claims

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Application Information

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IPC IPC(8): C02F1/14C02F103/08
CPCC02F1/14C02F2103/08Y02A20/124Y02A20/142Y02A20/212
Inventor 苏春建张敏郭宇航刘宇曦郭素敏李雪梦王帅本李广震赵栋王瑞张国松娄淑梅张强姚燕安
Owner SHANDONG UNIV OF SCI & TECH
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