A solar air-gap membrane distillation seawater desalination device

An air gap and membrane distillation technology, applied in the field of solar seawater desalination, can solve the problems of low efficiency, large heat loss, complex device structure, etc., and achieve the effects of high efficiency, strong anti-pollution ability and simple device structure

Active Publication Date: 2022-03-18
JIANGSU UNIV
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies in the prior art, the present invention provides a solar air-gap membrane distillation seawater desalination device. The solar light collection and conversion component converts solar radiation into infrared radiation that can be directly absorbed by seawater. The feed liquid side of the membrane distillation device Seawater directly absorbs infrared radiation to heat and evaporate, which can solve the problems of complicated device structure, low efficiency and large heat loss caused by the separate installation of solar heat collectors and membrane distillation devices

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A solar air-gap membrane distillation seawater desalination device
  • A solar air-gap membrane distillation seawater desalination device
  • A solar air-gap membrane distillation seawater desalination device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0027] Such as figure 1 As shown, the solar air-gap membrane distillation seawater desalination device described in the present invention includes a solar light collection and conversion assembly 12 and an air-gap membrane distillation assembly 13; the solar light collection and conversion assembly 12 includes high light transmission glass 1, selective absorption Coating 2, Substrate 3 and High Infrared Emission Coating 4: The selective absorbing coating 2 absorbs sunlight passing through the high-transparency glass 1 and converts it into heat, and the substrate 3 absorbs heat and conducts the heat to high infrared emission The coating 4, the high-infrared-emitting coating 4 generates thermal radiation outward, that is, infrared radiation that can be directly absorbed by ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a solar air gap membrane distillation seawater desalination device, comprising a solar light collection and conversion component and an air gap membrane distillation component; the solar light collection and conversion component is used for absorbing sunlight to generate infrared heat radiation; the air gap film The distillation assembly includes a material-liquid side flow channel of the membrane module and a fresh water flow channel; the membrane module material-liquid side flow channel is communicated with the seawater supply system; the membrane module material-liquid side flow channel absorbs the infrared rays generated by the solar light collection and conversion assembly. heat radiation; the flow channel between the steam permeable membrane and the condensing plate is a fresh water flow channel; the steam in the flow channel of the material liquid side of the membrane module can enter the fresh water flow channel through the steam permeable membrane. The solar energy absorbing device of the invention does not directly contact seawater, the temperature of the solar energy absorbing device can be higher, and the solar light collection and conversion components can be prevented from being polluted by the seawater, and has the advantages of high evaporation efficiency and strong anti-pollution ability.

Description

technical field [0001] The invention relates to the technical field of solar seawater desalination, in particular to a solar air-gap membrane distillation seawater desalination device. Background technique [0002] The shortage of water resources is one of the major challenges facing mankind in the 21st century, and seawater desalination technology is expected to solve the problem of global freshwater shortage. Solar energy is an inexhaustible and easy-to-obtain green energy, and its application in seawater desalination can greatly reduce the power consumption required in the seawater desalination process. [0003] Membrane distillation (MD) technology is a new desalination technology that combines traditional distillation and membrane methods. This technology is mainly based on the principle of vapor-liquid equilibrium, using the latent heat of evaporation to achieve phase change, and the membrane acts as a selective barrier between the two phases to achieve the separation...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/44C02F1/14C02F103/08
CPCC02F1/447C02F1/14C02F2103/08Y02A20/131Y02A20/142Y02A20/212Y02A20/124
Inventor 韩新月涂林
Owner JIANGSU UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products