Development of large bore superconducting magnet for wastewater treatment application

IF 0.2 Q4 PHYSICS, APPLIED

Progress in Superconductivity and Cryogenics Pub Date : 2017-03-31 DOI:10.9714/psac.2017.19.1.013

Huiming Liu, Dong Xu, Fuzhi Shen, Hengcheng Zhang, Laifeng Li

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引用次数: 2

Abstract

Water issue, especially water pollution, is a serious issue of 21st century. Being an significant technique for securing water resources, superconducting magnetic separation wastewater system was indispensable. A large bore conduction-cooled magnet was custom-tailored for wastewater treatment. The superconducting magnet has been designed, fabricated and tested. The superconducting magnet was composed of NbTi solenoid coils with an effective horizontal warm bore of 400 mm and a maximum central field of 2.56T. The superconducting magnet system was cooled by a two-stage 1.5W 4K GM cryocooler. The NbTi solenoid coils were wound around an aluminum former that is thermally connected to the second stage cold head of the cryocooler through a conductive copper link. The temperature distribution along the conductive link was measured during the cool-down process as well as at steady state. The magnet was cooled down to 4.8K in approximately 65 hours. The test of the magnetic field and quench analysis has been performed to verify the safe operation for the magnet system. Experimental results show that the superconducting magnet reached the designed magnetic performance.

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用于污水处理的大口径超导磁体的研制

水问题，特别是水污染，是21世纪的一个严重问题。超导磁选废水处理系统是保障水资源安全的重要技术之一。一个大口径的传导冷却磁铁是定制的废水处理。超导磁体已经设计、制造和测试。超导磁体由NbTi螺线管线圈组成，有效水平暖孔为400mm，最大中心场为2.56T。超导磁体系统由两级1.5W 4K GM低温冷却器冷却。NbTi螺线管线圈缠绕在铝成型器上，该铝成型器通过导电铜链路热连接到低温冷却器的第二级冷头。在冷却过程中以及在稳定状态下测量沿着导电链路的温度分布。磁体在大约65小时内冷却至4.8K。已经进行了磁场测试和淬火分析，以验证磁体系统的安全操作。实验结果表明，该超导磁体达到了设计的磁性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress in Superconductivity and Cryogenics PHYSICS, APPLIED-

CiteScore

0.40

自引率

33.30%

发文量

期刊介绍： Progress in Superconductivity and Cryogenics is the official publication of The Korea Institute of Applied Superconductivity and Cryogenics and the Korean Superconductivity Society. It was launched in 1999, and accepts original research articles and review papers on research on superconductivity and related fields of physics, electronic devices, materials science, large-scale applications for magnets, power and energy, and cryogenics. The Journal is published quarterly in March, June, September, and December each year. Supplemental issues are published occasionally. The official title of the journal is ''Progress in Superconductivity and Cryogenics'' and the abbreviated title is ''Prog. Supercond. Cryog.'' All submitted manuscripts are peer-reviewed by two reviewers. The text must be written in English. All the articles in this journal are KCI and SCOPUS as of 2015. The URL address of the journal is http://psac.kisac.org where full text is available. This work was supported by the Korean Federation of Science and Technology Societies grant funded by the Korea government.