Thermodynamic properties and application of LiNO3-[MMIM][DMP]/H2O ternary working pair
Thermodynamic properties and application of LiNO3-[MMIM][DMP]/H2O ternary working pair
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LiNO3-[MMIM][DMP]/H2O三元工作对的热力学性质及应用
DOI：
10.1016/j.renene.2018.10.104
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发表时间：
2019-04-01
期刊：
影响因子：
8.7
通讯作者：
Hu, Tianyu
中科院分区：
文献类型：
--
作者：
Luo, Chunhuan;Wang, Yanan;Hu, Tianyu
在这项工作中，LiNO3-[MMIM][DMP]（1,3-二甲基咪唑二甲基磷酸盐）/H2O被建议作为真空锅炉驱动的废水源吸收热泵（AHP）循环的潜在工作对。系统测量了该三元体系的结晶温度、蒸气压、密度、粘度、比热容和比焓，并通过最小二乘法进行关联。根据实验数据，计算了AHP循环在48℃至58℃冷凝温度下的性能，并与相同操作条件下使用LiNO3/H2O和LiBr/H2O的循环性能进行了比较。结果表明，与LiNO3/H2O相比，LiNO3-[MMIM][DMP]/H2O具有更大的温度工作范围，与LiBr/H2O相比具有更低的生成温度。性能系数（COP）略低于LiNO3/H2O和LiBr/H2O，但仍高于1.77。 LiNO3-[MMINI][DMPJ/H2O 的能量性能系数 (ECOP) 为 0.57 至 0.62，介于 LiNO3/H2O 和 LiBr/H2O 之间。 LiNO3-[MMIM] [DMP]/H2O 显示出作为使用低温驱动热源（例如真空锅炉或太阳能集热器）的 AHP 循环的替代工作对的潜力。 (C) 2018 Elsevier Ltd. 保留所有权利。
In this work, LiNO3-[MMIM][DMP] (1,3-dimethylimidazolium dimethylphosphate)/H2O was suggested as a potential working pair for a vacuum boiler driven waste water-source absorption heat pump (AHP) cycle. The crystallization temperature, vapor pressure, density, viscosity, specific heat capacity, and specific enthalpy for this ternary system were measured systematically and correlated by the least-squares method. Based on the experimental data, the performance of an AHP cycle was calculated at condensation temperatures from 48 degrees C to 58 degrees C and compared with that using LiNO3/H2O and LiBr/H2O under the same operation conditions. The results show that LiNO3-[MMIM][DMP]/H2O has a larger temperature operating range compared to LiNO3/H2O and has a lower generation temperature compared to LiBr/H2O. The coefficient of performance (COP) is slightly less than that for LiNO3/H2O and LiBr/H2O, but it is still above 1.77. The exergetic coefficient of performance (ECOP) for LiNO3-[MMINI][DMPJ/H2O varies from 0.57 to 0.62, which is located between that for LiNO3/H2O and LiBr/H2O. LiNO3-[MMIM] [DMP]/H2O shows some potentials as an alternative work pair for an AHP cycle using a low temperature driving heat source such as vacuum boiler or solar collector. (C) 2018 Elsevier Ltd. All rights reserved.