以地下土壤为冷源的空气取水实验研究  

Experimental research on extracting water from air using underground soil as cold source

作　　者：王星天 姚佳男 侯诗文 朱俊峰[1] 曹亮[1] 王世锋[1] 王斌斌 Wang Xingtian;Yao Jia'nan;Hou Shiwen;Zhu Junfeng;Cao Liang;Wang Shifeng;Wang Binbin(Institute of Water Resources for Pastoral Area,Ministry of Water Resources,Huhhot 010020,China;Inner Mongolia Institute of Metrology and Testing,Huhhot 010010,China)

机构地区：[1]中国水利水电科学研究院牧区水利科学研究所,呼和浩特010020 [2]内蒙古自治区计量测试研究院,呼和浩特010010

出　　处：《低温与超导》2021年第1期102-105,共4页Cryogenics and Superconductivity

基　　金：国家重点研究发展计划(2018YFE0196000);IWHR基础科学研究项目(MK2018J09、MK2019J07)资助。

摘　　要：随着水资源的日益缺乏,如何获取更多的淡水资源越来越得到重视,尤其体现在一些严重干旱地区。为解决干旱地区淡水资源短缺的问题,研究并探索了一种利用沙漠中土壤与大气环境温差来实现空气取水装置。空气中含有大量的水蒸气可以利用,本文为此设计了一种新型空气取水系统,利用温度较为恒定的土壤作为冷源,整个系统使用极低的能耗,通过降温的方式达到空气取水的效果。搭建试验台进行了相关实验,发现系统的取水能力主要受空气温度的影响,通过模型实验与计算的方法确定了空气取水过程中送风速度与冷凝水量的关系式,得出最优风量为11.37 m/s,此时取水系统的取水效率最高。With the increasing shortage of water resources, more and more attention has been paid to how to obtain more fresh water resources, especially in some severe drought areas. There is a large amount of water vapor in the air. A new type of air water intake system was designed to use the soil with constant temperature as the cold source and achieve the effect of air water intake by cooling. Test bench was built and the related experiment was carried out.The water intake capacity was found to be mainly affected by the air temperature. Through the experiment model and calculation method to determine the air suction in the process of the relation between the supply air velocity and the cooling water, it is concluded that the optimum air velocity is 11.37 m/s, the water system efficiency is highest.

关 键 词：空气取水 土壤 地下换热器 空气温度 

分 类 号：TV213[水利工程—水文学及水资源]