Performance Experiment of Multi-Effect Diffusion Distiller with Extruded Wick-Free Plate

Ga-Ram Lee; Byung-Ju Lim; Seok-Min Choi; Chang-Dae Park

doi:10.7836/kses.2021.41.1.001

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2021 Vol.41, Issue 1 Next Page

Research Article

Performance Experiment of Multi-Effect Diffusion Distiller with Extruded Wick-Free Plate 압출 가공 wick-free plate가 적용된 다중효용확산 태양열 증류기의 성능 실험

28 February 2021. pp. 1-11

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Abstract

We have developed a wick-free plate (WFP) in which a groove pattern is applied to the surface of a plate to replace the wick-plate, which is a key component of a multi-effect diffusion distiller (MEDD). Wicks and plates act as an evaporation surface and a condensation surface, respectively, in MEDD. However, the wick-plate structure has several problems, such as laborious manufacturing processes and lower durability. Therefore, in this study, WFPs were manufactured using the extrusion method, and MEDD with WFPs was experimentally evaluated. The extrusion method had a lower processing cost and better corrosion-resistance surface than the etching process that was employed in our previous study. The extruded WFP could lower the manufacturing cost by 77% compared to the etched WFP, and had the advantage of absorbing more solar radiation energy by lowering the installation inclination angle by 10°. After fabricating the triple-effect MEDD with the extruded WFPs, an indoor performance experiment was conducted. The results of the solar thermal performance test indicated that WFP-MEDD at 11.7 MJ/(m² · d) of thermal energy produced 3% higher freshwater than the existing MEDD with a wick-plate.

Keywords

Solar energy

Distillation

Solar still

Multi-effect diffusion

Extrusion

키워드

태양에너지

증류

태양열 증류기

다중효용확산

압출

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Information

Publisher :Korean Solar Energy Society
Publisher(Ko) :한국태양에너지학회
Journal Title :Journal of the Korean Solar Energy Society
Journal Title(Ko) :한국태양에너지학회 논문집
Volume : 41
No :1
Pages :1-11
Received Date : 2020-10-07
Revised Date : 2020-12-10
Accepted Date : 2020-12-21
DOI :https://doi.org/10.7836/kses.2021.41.1.001

Journal of the Korean Solar Energy Society ISSN:1598-6411(Print) 2508-3562(Online) 한국태양에너지학회 논문집

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