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Three-dimensional seawater evaporator and applications thereof

A seawater evaporation, three-dimensional technology, applied in the field of material technology and seawater desalination, can solve complex problems and achieve the effects of good weather resistance, high evaporation efficiency and high retention rate

Pending Publication Date: 2020-04-28
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Yu Guihua and others from the University of Texas at Austin developed a gel with hierarchical nanostructures for seawater evaporation, and its evaporation efficiency can reach 3.2kg / m under one sun 2 / h, but its material strength is only 10 4 Pa, and the preparation process has to go through 10 times of freeze-drying, which is more complicated
[0005] Wang Peng and others from King Abdullah University of Science and Technology have developed a 3D structure seawater evaporator by suction filtering the mixture of graphene oxide and carbon tubes, but its efficiency can only reach 100% under one sun. 1.59kg / m 2 / h

Method used

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  • Three-dimensional seawater evaporator and applications thereof
  • Three-dimensional seawater evaporator and applications thereof
  • Three-dimensional seawater evaporator and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] (1) The structure of the channel. Quadrilateral, the length is 0.05m, the width is 1cm, and the height of right triangle cutting is 0.01m;

[0050] (2) The composition of the channel. The texture is a plain cotton fabric.

[0051] (3) The structure of the reactor unit. Divided into four structural units, the length of each structural unit is 5cm, the height is 0.01m, and the angles α between the structural units are 30°, 50°, 70°, and 90° respectively.

[0052] (4) Composition of the reactor unit. The smoothness is 5s, the moisture content is 2%, the microscopic appearance is zigzag, and the composite paper is modified by N-polypyrrole-polyacrylic acid copolymer with a number average molecular weight of 2000.

[0053] The three-dimensional seawater evaporator obtained in this example was subjected to morphology and wettability tests, and it was found that after modification, the hydrophilicity was enhanced, which was beneficial to the evaporation of water vapor (res...

Embodiment 2

[0055] (1) The structure of the channel. Quadrilateral, the length is 0.3m, the width is 5cm, and the height of right triangle cutting is 0.03m;

[0056] (2) The composition of the channel. The texture is a honeycomb cotton fabric.

[0057] (3) The structure of the reactor unit. It is divided into four structural units, the length of each structural unit is 10cm, the height is 0.5m, and the angles α between the structural units are 40°, 60°, and 80° respectively.

[0058] (4) Composition of the reactor unit. The smoothness is 8s, the water content is 4%, the microscopic appearance is thread-shaped, and the corrugated paper modified with S-polyaniline-polyvinyl alcohol with a number average molecular weight of 5000 is used.

[0059] The three-dimensional seawater evaporator obtained in this example was subjected to morphology and wettability tests, and it was found that after modification, the hydrophilicity was enhanced, which facilitated the evaporation of water vapor. F...

Embodiment 3

[0061] (1) The structure of the channel. Quadrilateral, the length is 0.3m, the width is 5cm, and the height of right triangle cutting is 0.03m;

[0062] (2) The composition of the channel. Cotton fabric with a twill texture.

[0063] (3) The structure of the reactor unit. It is divided into four structural units, the length of each structural unit is 30cm, the height is 1m, and the angles α between the structural units are 45°, 65°, and 85° respectively.

[0064] (4) Composition of the reactor unit. The smoothness is 15s, the moisture content is 6%, the microscopic appearance is ladder-shaped, and kraft paper modified with Si-polypyrrole-polyethylene glycol with a number average molecular weight of 20,000 is used.

[0065] The three-dimensional seawater evaporator obtained in this example was subjected to morphology and wettability tests, and it was found that after modification, the hydrophilicity was enhanced, which facilitated the evaporation of water vapor. Further, ...

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Abstract

The invention discloses a three-dimensional seawater evaporator and applications thereof. The three-dimensional seawater evaporator comprises a channel structure with moisture absorption and transportation effects, and a reactor unit with photothermal conversion effect, wherein the reactor unit is located at one end of the channel structure, the channel structure and the reactor unit form a three-dimensional structure, and the reactor unit comprises macromolecule functionalized paper. The three-dimensional seawater evaporator disclosed by the invention has the characteristics of simple structure, small size, three-dimensional omnidirectivity and the like; and by reasonably designing the composition, the shape and size of the channel and the composition, the geometric structure and the likeof the reactor unit, high efficiency and high ion interception in the sea water desalination process can be realized, so that the three-dimensional seawater evaporator has wide application prospect in the field of seawater desalination.

Description

technical field [0001] The invention relates to a seawater evaporator, in particular to a three-dimensional seawater evaporator and its application, and belongs to the technical fields of material technology and seawater desalination. Background technique [0002] Water is the source of life and an essential resource to support economic and social development. With the rapid development of my country's economy and society and the continuous advancement of urbanization, the shortage of total water resources and the contradiction between time and space have become increasingly prominent. Especially in coastal areas and islands, the lack of water resources has become one of the bottlenecks restricting economic and social development. More than one billion people around the world lack fresh water. Relevant scholars estimate that by 2025, two-thirds of the world's population will face lack of fresh water. At the same time, seawater resources are very rich, and how to desalinate ...

Claims

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Application Information

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IPC IPC(8): C02F1/14C02F103/08
CPCC02F1/14C02F2103/08Y02A20/142Y02A20/212Y02A20/124
Inventor 陈涛谷金翠肖鹏张佳玮倪锋
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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