高温熔融盐蓄热系统的若干工程问题

doi:10.3969/j.issn.2095-4239.2015.01.003

储能科学与技术 ›› 2015, Vol. 4 ›› Issue (1): 32-43.doi: 10.3969/j.issn.2095-4239.2015.01.003

高温熔融盐蓄热系统的若干工程问题

郭晓娟, 丁旃, 秦贯丰, 杨小平, 黄斯敏, 蒋润花, 马远琼, 尹辉斌, 左远志, 杨敏林, 杨晓西

东莞理工学院,广东省分布式能源系统重点实验室,广东东莞 523808

收稿日期:2014-07-25 出版日期:2015-02-19 发布日期:2015-02-19
通讯作者: 秦贯丰,博士,教授,研究方向为高温熔融盐蓄热,E-mail：qingf@dgut.edu.cn。
作者简介:郭小娟（1981—）,女,博士,讲师,研究方向为有机废弃物热裂解工艺及技术和熔盐蓄热技术等,E-mail：82491120@qq.com
基金资助:
国家自然科学基金（21376052）项目,国家重点基础研究发展计划（973）（2010CB227306）项目

A literature review on some engineering issues of high temperature molten salt thermal energy storage systems

GUO Xiaojuan, DING Zhan, Frank G F QIN, YANG Xiaoping, HUANG Simin, JIANG Runhua, MA Yuanqiong, YIN Huibin, ZUO Yuanzhi, YANG Minlin, YANG Xiaoxi

Dongguan University of Technology,Guangdong Provincial Key Lab of Distributed Energy System,Dongguan 523808,Guangdong,China

Received:2014-07-25 Online:2015-02-19 Published:2015-02-19

摘要/Abstract

摘要： 高温熔盐蓄热单元对平衡太阳能热发电过程中的能量供求和延长日落后的发电时间有着不可替代的作用,并已经成为现代太阳能热发电站中的一个不可或缺的子系统。本文作者结合所在重点实验室的850 ℃的二元碳酸优态盐高温熔盐蓄热实验系统的安装与操作经验,讨论了高温熔融盐蓄热系统中常见的一些工程问题,包括熔盐输送管道的连接、熔盐回路的预防凝固和加热保温、熔盐的充装与排放、熔盐长轴泵、事故工况的研究和预防等。

关键词: 熔盐, 蓄热, 太阳能, 热发电, 管道连接, 伴热, 长轴泵, 事故预防

Abstract: High temperature molten salt thermal energy storage unit has an irreplaceable role for solar thermal power generation for balancing energy supply and demand, and extending the working hours. It has become an indispensible sub-system for modern solar thermal power plants. Based on the project experience in installation and operation of a high temperature molten salt thermal energy storage unit containing a binary carbonate eutectic salt with a working temperature up to 850 ℃, this paper discusses some common engineering issues, including molten salt transportation pipe connections, anti-freezing/heat-tracing and thermal insulation of molten salt pipelines, salt charging / discharging, long-shaft molten salt pumps, and incident/accident prevention, etc.

Key words: molten salt, thermal storage, solar energy, thermal power, pipe conjunction, heat tracing, long-shaft pump, accident prevention

中图分类号:

TK513

郭晓娟, 丁旃, 秦贯丰, 杨小平, 黄斯敏, 蒋润花, 马远琼, 尹辉斌, 左远志, 杨敏林, 杨晓西. 高温熔融盐蓄热系统的若干工程问题[J]. 储能科学与技术, 2015, 4(1): 32-43.

GUO Xiaojuan, DING Zhan, Frank G F QIN, YANG Xiaoping, HUANG Simin, JIANG Runhua, MA Yuanqiong, YIN Huibin, ZUO Yuanzhi, YANG Minlin, YANG Xiaoxi. A literature review on some engineering issues of high temperature molten salt thermal energy storage systems[J]. Energy Storage Science and Technology, 2015, 4(1): 32-43.

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高温熔融盐蓄热系统的若干工程问题

A literature review on some engineering issues of high temperature molten salt thermal energy storage systems

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