导热棒提取松散高温介质内部热量的实验研究

刘　鑫; 任万兴; 石晶泰

导热棒提取松散高温介质内部热量的实验研究

计量
- 文章访问数: 24
- HTML全文浏览量: 0
- PDF下载量: 0
出版历程
- 发布日期: 2021-02-19

Experimental study on heat extraction of loose high temperature medium with heat conducting rod

摘要

摘要: 为了解决储煤堆、矸石山等场所中发生的煤自燃危害对资源和环境造成的巨大浪费和严重污染，提出了应用导热棒提取松散高温介质内部热量以防治煤自燃的方法，给出了工质优选的方法，搭建了研究导热棒热量提取速率的实验系统，并在此基础上进行了导热棒散热实验。结果表明：应用甲醇作为工质的导热棒，提取高温松散介质内部热量的效率最高，降温速率最快。
- 导热棒 /
- 煤自燃 /
- 甲醇工质 /
- 降温速率 /
- 热量提取
Abstract: In order to solve the spontaneous combustion in the places such as coal storage heaps and gangue dump, which causes huge waste and serious pollution to resources and environment, the method of extracting heat from loose high-temperature medium with heat-conducting rod to prevent spontaneous combustion is proposed. The method of optimizing working medium is given, and an experimental system for studying the heat-extracting rate of heat conducting rod is set up. On this basis, the experiment of heat dissipation of the heat-conducting rod is carried out. The results show that the efficiency and the cooling rate of extracting heat from high temperature loose medium are the highest when methanol is used as the heat-conducting rod.
- heat conducting rod /
- spontaneous combustion of coal /
- methanol working medium /
- cooling rate /
- thermal extraction

HTML全文

参考文献(18)

[1]	Lock G S H. The Tubular Thermosyphon:Variations on a Theme[M]. New York: Oxford University Press, USA, 1992: 326.
[2]	Cotter T P. Theory of heat pipes[R]. Los Alamos: LANL, 1995: 3.
[3]	Amir F. Heat Pipe Science and Technology[M]. Washington D C: Taylor & Francis, 1995: 341-440.
[4]	焦波,邱利民,张洋.重力热管冷凝段携带极限的理论研究[J].工程热物理学报,2008,29(6):1028. JIAO Bo, QIU Liming, ZHANG Yang. Theoretical investigation on the flooding limit in condenser of a two-phase closed thermosyphon[J].Journal of Engineering Thermophysics, 2008, 29(6): 1028.
[5]	Asghar A, Masoud R, Ammar A A. CFD modeling of flow and heat transfer in a thermosyphon[J]. International Communications in Heat and Mass Transfer, 2010, 37(3): 312-318.
[6]	Richard L, Katarina K, Stefan P. Analysis of the Fill Amount Influence on the Heat Performance of Heat Pipe[J]. AIP Conference Proceedings, 2014, 1680(8): 1-7.
[7]	Marian J, Patrik N, Eubos K, et al. Influence of working fluid amount and working position gravitational heat pipe on thermal performance[J]. AIP Conference Proceedings, 2014, 1680(7): 1-4.
[8]	Chiasson A D, Yavuzturk C, Walrath D E. Evaluation of electricity generation from underground coal fire and waste banks[J]. Journal of Energy Resources Technology, 2007, 129(2): 81-88.
[9]	刘清龙,李万波,陈瑶.用台阶式插管定量注水法防治露天煤堆自燃[J].煤矿安全,2000,31(6):9-11.
[10]	徐礼华.煤垛热管降温的实验研究[J].能源研究与利用,1991(2):11-15.
[11]	马砺,李贝,邓军,等.地面储煤堆(矸石山)自然发火蓄热高温区域的热棒深部移热技术[J].科技导报,2014,32(17):76-80. MA Li, LI Bei, DENG Jun, et al. Deep heat transfer technology using thermal probe in high temperature region of coal storage pile(gangue hill) spontaneous combustion[J]. Science & Technology Review, 2014, 32(17): 76-80.
[12]	屈锐.重力热管提取储煤堆自燃热量的实验研究[D].西安:西安科技大学,2014.
[13]	邓军,李贝,马砺.用热棒技术强化煤堆降温幅度试验[J].中国安全科学学报,2015,25(6):62-67. DENG Jun, LI Bei, MA Li. Influence of heat pipes on temperature distribution in coal storage pile[J]. China Safety Science Journal, 2015, 25(6): 62-67.
[14]	张亚平,王建国,姬长发,等.热管抑制煤自燃的降温效应分析[J].煤炭工程,2017,49(2):100-102. ZHANG Yaping, WANG Jianguo, JI Changfa, et al. Cooling effect analysis of heat pipe suppressing coal spontaneous combustion[J]. Coal Engineering, 2017, 49(2): 100-102.
[15]	王力伟.用于煤堆降温的热管移热能力影响因素研究[D].西安:西安科技大学,2017.
[16]	王皎.重力热管对煤堆自燃温度场分布影响效果的数值模拟研究[D].西安:西安科技大学,2018.
[17]	陈清华,孙美华,苏国用.重力热管对煤堆内部温度场的影响研究[J].煤矿安全,2018,49(11):211. CHEN Qinghua, SUN Meihua, SU Guoyong. Influence of gravity heat hipe on temperature filed in coal pile[J]. Safety in Coal Mines, 2018, 49(11): 211-214.
[18]	李文胜,李建勋,刘旭东,等.利用低温热管技术防止圆形封闭煤场煤堆自燃[J].制冷与空调,2018,32(3):251-255. LI Wensheng, LI Jianxun, LIU Xudong, et al. Prevent spontaneous combustion of coal piles in enclosed circular coal yard by using low temperature heat pipe technology[J]. Refrigeration & Air Conditioning, 2018, 32(3): 251-255.