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化工学报  2015 

四元溴化盐熔体表面张力特性

DOI: 10.11949/j.issn.0438-1157.20150168, PP. 3820-3825

Keywords: 拉脱法,表面张力,实验验证,四元溴化盐,传热

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Abstract:

表面张力的大小直接决定着熔盐的热传输能力。基于拉脱法测量表面张力的原理,改进了测量高温熔盐表面张力的实验系统;以化学纯LiNO3进行标定获得了仪器系数,然后分别以NaNO3和Solarsalt混合盐验证了实验系统和拉脱法测量高温熔盐表面张力的可靠性。在此基础上,以KBr、LiBr、NaBr、CaBr2为基础配制了4种不同组分的混合溴化盐,测量了4种混合溴化盐在不同温度下熔体的表面张力,拟合得到了4种混合溴化盐表面张力随温度变化的实验关联式。实验结果表明4种混合溴化盐的表面张力随温度升高呈线性下降,与已知熔体表面张力随温度变化规律一致。

References

[1]  Xie Gang (谢刚). Theory and Application of Molten Salt(熔融盐理论与应用) [M]. Beijing: Metallurgical Industry Press, 1998: 1-9, 32-36.
[2]  Feng Taqing (冯踏青). Theoretical and experimental research on liquid metal high temperature heat pipe [D]. Hangzhou: Zhejiang University, 1998.
[3]  Janz G J. Molten Salts Handbook [M]. New York: Academic Press, 1967.
[4]  Janz G J, Ursula Krebs, Siegenthaler H F, et al. Molten salts: volume 3 nitrates, nitrites, and mixtures-electrical conductance, density, viscosity, and surface tension data [J]. Journal of Physical and Chemical Reference Data, 1972, 1(3): 583-744.
[5]  Janz G J, Tomkinns R P T, Allen C B, et al. Molten salts: volume 4, part 3, bromides and mixtures, iodides and mixtures-electrical conductance, density, viscosity, and surface tension data [J]. Journal of Physical and Chemical Reference Data, 1977, 6(2): 411-587.
[6]  Janz G J, Tomkinns R P T, Allen C B, et al. Molten salts: volume 4, part 2, chlorides and mixtures-electrical conductance, density, viscosity, and surface tension data [J]. Journal of Physical and Chemical Reference Data, 1975, 4(4): 874-1161.
[7]  Reiss H, Mayer S W, Katz J L. Law of corresponding states for fused salts [J]. J. Chem. Phys., 1961, 35: 820.
[8]  Harada M, Tanigaki M, Tada Y. Law of corresponding states of uni-univalent molten salts [J]. Ind. Eng. Chem. Fundam., 1983, 22: 116-121.
[9]  Yajima K, Moriyama H, Oishi J. A model for the surface tension of alkali halides [J]. J. Phys. Chem., 1984, 88: 4390-4394.
[10]  Marcus Y. Surface tension and cohesive energy density of molten salts [J]. Thermochimica Acta, 2013, 571: 77-81.
[11]  Aqra F. Surface tension of molten metal halide salts [J]. Journal of Molecular Liquids, 2014, 200: 120-121.
[12]  Li Zhibao(李志宝), Hu Yongqi(胡永琪), Li Yigui(李以圭), Lu Jiufang(陆久芳). Molecular association model of surface tension of molten salt system [J]. Engineering Chemistry & Metallurgy, 1997, 18(4): 342-348.
[13]  Guo Qi(郭琦), Li Fangyi(李方义), Ge Shunxin(葛顺鑫), Jia Xiujie(贾秀杰), Nie Yanyan(聂延艳). Study on surface tension and viscosity of KNO3-NaNO2 molten salts [J]. Journal of Functional Materials(功能材料), 2014, (13): 13036-13044.
[14]  Xu Wenjiang(许文江), Liu Weiguo(刘卫国), Yang Xinshan(杨新山), Wang Xiangdong(王向东). Surface tension of potassium fluotantalate and its mixed molten salts [J]. Chinese Journal of Rare Metals(稀有金属), 2003, 27(5): 196-198.
[15]  Cheng Jinhui(程进辉). Study on molten salt thermophysical properties for heat transfer and storage [D]. Beijing: Chinese Academy of Sciences, 2014.
[16]  Bielveyefu А И, Remuqiurenna E A. Molten salt physical chemistry [M]. Beijing: China Industry Press, 1963: 175-230.
[17]  Wang Changzhen(王常珍). Research Methods in Metallurgical Physical Chemistry(冶金物理化学研究方法)[M]. 3rd ed. Beijing: China Metallurgical Industry Press, 2002: 278-309.
[18]  Li Yanhong(李艳红), Wang Shengbao(王升宝), Chang Liping(常丽萍). Research progression methods for measurement of surface (interfacial) tension [J]. China Surfactant Detergent & Cosmetics(日用化学工业), 2007,37(2): 102-106.
[19]  Yu Junsheng(于军胜), Tang Ji'an(唐季安). Development in measuring surface tension [J]. Chemistry(化学通报), 1997,60(11): 11-15.
[20]  Fan Jianfeng(范建峰), Yuan Zhangfu(袁章福), Ke Jiajun(柯家骏). Development in measuring surface tension of high temperature molten liquid [J]. Chemistry(化学通报), 2004, 67(11): 802-807.
[21]  Fei Yetai(费业泰). Error Theory and Data Processing(误差理论和数据处理) [M]. 6th ed. Beijing: China Machine Press, 2010: 82-92.

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