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学者姓名：刘忠宝
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摘要 ：
Solid hygroscopic materials are extensively utilized in diverse fields, including adsorption heat transfer, adsorption heat storage, atmospheric water harvesting (AWH), and air conditioning dehumidification. The efficacy and energy efficiency of these materials in practical applications are significantly influenced by their adsorption and desorption properties. Yet, the introduction of inorganic salts to boost adsorption performance can result in issues like salt leakage. In this research, we prepared a polyacrylamide hydrogel through free radical polymerization, and its water-absorbing capabilities were improved by incorporating the hygroscopic salt lithium chloride. We compared it to a salt-based porous adsorbent, AlFum-LiCl, which also exhibited strong water adsorption properties and the potential for large-scale production. While AlFum-LiCl suffered from limited pores and salt leakage during high water uptake, the optimized PAM-LiCl displayed superior water sorption capabilities, showing no salt leakage even at water uptake of up to 3.5 g/g. At 25 degrees C, PAM-LiCl achieved equilibrium water uptake of 1.26 g/g at 30% RH and 3.15 g/g at 75% RH. In this context, utilizing 20 g of PAM-LiCl for the AWH experiment yielded daily water outputs of 8.34 L/kg at 30% RH and 16.86 L/kg at 75% RH. The salt-optimized PAM-LiCl hydrogel offers the benefit of application in higher relative humidity environments without the risk of deliquescence, underscoring its promise for atmospheric water harvesting.
关键词 ：
LiCl LiCl atmospheric water harvesting atmospheric water harvesting salt leakage salt leakage water adsorption water adsorption polyacrylamide polyacrylamide
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| GB/T 7714 | Liu, Yimo , Liu, Zhongbao , Qie, Zhipeng et al. Optimizing Salt Leakage Mitigation and Comparing Sorption-Desorption Characteristics of Polyacrylamide-Based Hydrogels [J]. | POLYMERS , 2024 , 16 (4) . |
| MLA | Liu, Yimo et al. "Optimizing Salt Leakage Mitigation and Comparing Sorption-Desorption Characteristics of Polyacrylamide-Based Hydrogels" . | POLYMERS 16 . 4 (2024) . |
| APA | Liu, Yimo , Liu, Zhongbao , Qie, Zhipeng , Wang, Zepeng , Sun, Weiming . Optimizing Salt Leakage Mitigation and Comparing Sorption-Desorption Characteristics of Polyacrylamide-Based Hydrogels . | POLYMERS , 2024 , 16 (4) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本实用新型涉及光伏发电装置散热技术领域，提供一种基于辐射制冷的光伏发电装置，包括工质泵以及制冷发电组件，制冷发电组件包括依次叠层设置的辐射制冷涂层、导热箱、载冷剂箱和光伏板；辐射制冷涂层设于导热箱的外表面；载冷剂箱用于容纳载冷剂，载冷剂箱与导热箱连通，载冷剂箱和导热箱均与工质泵连通，工质泵用于驱动载冷剂在载冷剂箱以及导热箱之间循环流动。本实用新型的基于辐射制冷的光伏发电装置，通过工质泵驱动载冷剂在导热箱与载冷剂箱之间循环流通，以及辐射制冷涂层的辐射散热，使载冷剂积攒冷量，并通过积攒的冷量对光伏板进行降温，有效解决了现有技术中冷却效果不佳、冷却成本较高以及难以大规模使用的问题。
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| GB/T 7714 | 刘忠宝 , 赵建勋 , 柳鑫宇 et al. 基于辐射制冷的光伏发电装置 : CN202320579597.4[P]. | 2023-03-22 . |
| MLA | 刘忠宝 et al. "基于辐射制冷的光伏发电装置" : CN202320579597.4. | 2023-03-22 . |
| APA | 刘忠宝 , 赵建勋 , 柳鑫宇 , 张浚麟 , 胡浩然 , 王沛贤 . 基于辐射制冷的光伏发电装置 : CN202320579597.4. | 2023-03-22 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
One major reason for the limited application of adsorption refrigeration systems is their lower refrigeration efficiency and performance compared to other alternatives. Additionally, there is limited research focused on optimizing the system performance over time. This paper presents a numerically validated thermodynamic model to analyse the effect of adsorption time on the performance efficiency enhancement of a solar adsorption refrigeration system. The adsorption rate model proposed by Sokoda and Suzuki has been used to evaluate the adsorption and desorption characteristics of water vapor on silica gel and the solar collector system has been fitted to a heat flow density equation based on measured concentrated solar heating. The water vapor adsorption capacity on silica gel as a function of temperature and pressure in the adsorption bed has been numerically evaluated during the four stages of the cooling cycle, namely adsorption, preheating, desorption, and cooling. The coefficient of performance and specific cooling power have been utilized as the major performance in-dicators, in the context of the influence of adsorption time on the refrigeration performance of the system. The simulation results revealed that, although increasing the adsorption time increased the system's cooling capacity, it also prolonged the cycle time and adversely affected the dynamics of preheating and desorption processes (due to increased solar input). As a result of the numerical simulation, an optimum value of adsorption time has been predicted to be 71 min corresponding to a coefficient of performance equal to 0.476 anda specific cooling power equal to 28.6 W/kg.
关键词 ：
Solar Solar Simulation Simulation Silica gel Silica gel Adsorption Adsorption COP COP
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| GB/T 7714 | Wang, Zepeng , Yuan, Zhongxian , Liu, Zhongbao et al. Dynamic variation of bed parameters and time optimisation of solar adsorption refrigeration system based on CFD simulation [J]. | APPLIED THERMAL ENGINEERING , 2023 , 235 . |
| MLA | Wang, Zepeng et al. "Dynamic variation of bed parameters and time optimisation of solar adsorption refrigeration system based on CFD simulation" . | APPLIED THERMAL ENGINEERING 235 (2023) . |
| APA | Wang, Zepeng , Yuan, Zhongxian , Liu, Zhongbao , Liu, Yimo , Bernat, Maria . Dynamic variation of bed parameters and time optimisation of solar adsorption refrigeration system based on CFD simulation . | APPLIED THERMAL ENGINEERING , 2023 , 235 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Solar-driven interfacial evaporation technology has immense potential in addressing the global challenge of freshwater scarcity. Currently, most solar interface evaporators have complex and costly manufacturing processes, hindering practical applications. Additionally, in many solar distillation systems, the evaporation and condensation processes occur within the same space. This causes sunlight to be scattered or absorbed by the water droplets on the transparent surface, thereby reducing the solar energy reaching the evaporator, the high internal humidity ratio further hinders water evaporation. Therefore, we developed a cost-effective polyvinyl alcohol/carbon black hydrogel (PCH) with a simple fabrication process. PCH achieves an evaporation rate of 1.54 kg m(- 2) h(-1) and an energy conversion efficiency as high as 90.5 % under 1 sun (1 kW m(- 2)). Furthermore, we have introduced a novel solar-driven low-vacuum interfacial distillation system (SLIDS) that separates the evaporation and condensation processes into distinct spaces and employs the principle of low pressure to enhance water evaporation. The condensate yield rate of the SLIDS was 1.46 kg m- 2 h-1, which is 2.2 times higher than traditional system under 1 sun. This increase in the condensate yield rate by 41.6 % was achieved through the introduction of low-pressure conditions.
关键词 ：
Water purification Water purification Solar -driven interfacial evaporation Solar -driven interfacial evaporation Solar distillation system Solar distillation system Hydrogel Hydrogel Low-vacuum Low-vacuum
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| GB/T 7714 | Sun, Weiming , Liu, Zhongbao , Liu, Yimo et al. Enhancing freshwater production with a high-performance solar interface evaporator and in low-vacuum environment: A solar-driven low-vacuum interfacial distillation system [J]. | DESALINATION , 2023 , 568 . |
| MLA | Sun, Weiming et al. "Enhancing freshwater production with a high-performance solar interface evaporator and in low-vacuum environment: A solar-driven low-vacuum interfacial distillation system" . | DESALINATION 568 (2023) . |
| APA | Sun, Weiming , Liu, Zhongbao , Liu, Yimo , Wang, Zepeng . Enhancing freshwater production with a high-performance solar interface evaporator and in low-vacuum environment: A solar-driven low-vacuum interfacial distillation system . | DESALINATION , 2023 , 568 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
Solar energy is a kind of renewable energy with abundant resources and enormous reserves. Meanwhile, adsorption cooling technology can utilize natural refrigerants, thus also making this technology environmentally friendly. If solar energy can be effectively collected and utilized for heating in winter, then the environmental pollution caused by electricity and fossil energy consumption can be reduced. More importantly, considering engineering, the same solar device could provide cooling in the summer and heating in the winter. This study used parabolic trough and glass-metal vacuum heat collectors to conduct solar adsorption cooling and solar air heating experiments in summer and winter, respectively, to facilitate the complete and appropriate use of solar energy. Experimental results of solar adsorption cooling with silica gel as the adsorbent revealed that the coefficient of performance of the system reached 0.329. In addition, the influences of air flow rates and heat storage medium on the performance of the solar air heating system were investigated. Results revealed that the average and instantaneous efficiencies of the system considerably increased with the heat storage medium (i.e., water) filling in the annular cavity of the evacuated tube. The extended heating time also markedly increased by up to 170 min and was therefore of considerable practical value.
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| GB/T 7714 | Liu, Yimo , Yuan, Zhongxian , Liu, Zhongbao . Experimental performance of a small solar system for adsorption cooling in summer and heating in winter [J]. | JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY , 2022 , 14 (1) . |
| MLA | Liu, Yimo et al. "Experimental performance of a small solar system for adsorption cooling in summer and heating in winter" . | JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY 14 . 1 (2022) . |
| APA | Liu, Yimo , Yuan, Zhongxian , Liu, Zhongbao . Experimental performance of a small solar system for adsorption cooling in summer and heating in winter . | JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY , 2022 , 14 (1) . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本实用新型涉及空调除湿技术领域，提供一种可调湿的新型空调装置，包括第一通路和第二通路，第一通路和第二通路均流经除湿转轮，第一通路上设有蒸发器，蒸发器的一端与室内连通，蒸发器的另一端与除湿转轮的第一区的一端连通，除湿转轮的第一区的另一端与室内连通；第二通路上设有冷凝器，冷凝器一端与室外连通，冷凝器的另一端与除湿转轮的第二区的一端连通，除湿转轮的第二区的另一端与室外连通；其中，冷凝器与蒸发器之间通过制冷剂回路连接，制冷剂回路上设有压缩机，压缩机通过换向阀分别与冷凝器和蒸发器连接。通过上述方式，本实用新型实施例可以实现降温除湿、升温加湿的两种效果，进而适应不同的调节需求。
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| GB/T 7714 | 刘忠宝 , 赵智 , 程超杰 . 可调湿的新型空调装置 : CN202220674709.X[P]. | 2022-03-25 . |
| MLA | 刘忠宝 et al. "可调湿的新型空调装置" : CN202220674709.X. | 2022-03-25 . |
| APA | 刘忠宝 , 赵智 , 程超杰 . 可调湿的新型空调装置 : CN202220674709.X. | 2022-03-25 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本实用新型涉及除湿技术领域，提供一种热泵驱动的降温除湿复合的除湿装置，包括壳体、第一通路和第二通路，壳体包括入风口和出风口，入风口和出风口均与室内连通；第一通路上设有依次连接的蒸发器、换热器以及除湿转轮，换热器包括出风端和入风端，除湿转轮上设有除湿区和再生区；蒸发器的入口侧与入风口连通，换热器的出口侧与除湿区连通，除湿转轮的出口侧与出风口连通；第二通路上设有冷凝器，冷凝器与蒸发器连通，出风端与冷凝器的入口侧连通，冷凝器的出口侧与再生区的一端连通，再生区的另一端与入风端连通。通过上述方式，有效利用冷凝器的放热量，并将其作为再生风的热源，大大提高了传统转轮除湿装置中电加热能耗，达到了节能的效果。
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| GB/T 7714 | 刘忠宝 , 赵智 , 程超杰 . 热泵驱动的降温除湿复合的除湿装置 : CN202220674710.2[P]. | 2022-03-25 . |
| MLA | 刘忠宝 et al. "热泵驱动的降温除湿复合的除湿装置" : CN202220674710.2. | 2022-03-25 . |
| APA | 刘忠宝 , 赵智 , 程超杰 . 热泵驱动的降温除湿复合的除湿装置 : CN202220674710.2. | 2022-03-25 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本实用新型涉及除湿设备技术领域，提供一种太阳能集热及除湿转轮除湿集水系统，包括：除湿转轮、冷凝器、集水箱、加热装置、除湿通道以及再生通道；除湿转轮具有除湿区和再生区，除湿通道与除湿区连通，除湿区对除湿通道输送的空气进行除湿处理；再生通道与再生区连通，冷凝器对再生通道中的空气进行冷凝处理；加热装置包括太阳能集热组件，对再生通道中的空气进行加热；集水箱设于冷凝器的底端。本实用新型的太阳能集热及除湿转轮除湿集水系统，低温气体通过太阳能集热组件转化成高温气体，通过再生区后转化成高温高湿的气体，再经过冷凝器后形成的冷凝水由集水箱收集，低温气体再次被加热，在满足除湿功能和集水功能的同时，能源消耗低。
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| GB/T 7714 | 刘忠宝 , 孙巍铭 , 韦自妍 et al. 太阳能集热及除湿转轮除湿集水系统 : CN202220527959.0[P]. | 2022-03-11 . |
| MLA | 刘忠宝 et al. "太阳能集热及除湿转轮除湿集水系统" : CN202220527959.0. | 2022-03-11 . |
| APA | 刘忠宝 , 孙巍铭 , 韦自妍 , 宫浩惠 . 太阳能集热及除湿转轮除湿集水系统 : CN202220527959.0. | 2022-03-11 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本发明涉及空气处理设备技术领域，提供一种空气湿度调节装置，包括：转轮、第一加热器、第二加热器、第一风机及第二风机；转轮具有第一区域与第二区域；第一区域与第二区域均具有相背离的第一侧面与第二侧面，其中，第一区域的第一侧面与第二区域的第一侧面共面；第一加热器的入口用于与室内循环出风口连通，第一加热器的出口与第一区域的第一侧面连接，第一区域的第二侧面通过第一风机用于与室内循环进风口连接；第二加热器的入口用于与室外进风口连通，第二加热器的出口与第二区域的第二侧面连接，第二区域的第一侧面通过第二风机用于与室外出风口连通；本发明可便捷高效地对室内空气进行除湿与加湿操作。
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| GB/T 7714 | 刘忠宝 , 韦自妍 , 孙巍铭 et al. 空气湿度调节装置 : CN202210328658.X[P]. | 2022-03-30 . |
| MLA | 刘忠宝 et al. "空气湿度调节装置" : CN202210328658.X. | 2022-03-30 . |
| APA | 刘忠宝 , 韦自妍 , 孙巍铭 , 宫浩惠 . 空气湿度调节装置 : CN202210328658.X. | 2022-03-30 . |
| 导入链接 | NoteExpress RIS BibTex |
摘要 ：
本实用新型涉及空气处理设备技术领域，提供一种空气湿度调节装置，包括：转轮、第一加热器、第二加热器、第一风机及第二风机；转轮具有第一区域与第二区域；第一区域与第二区域均具有相背离的第一侧面与第二侧面，其中，第一区域的第一侧面与第二区域的第一侧面共面；第一加热器的入口用于与室内循环出风口连通，第一加热器的出口与第一区域的第一侧面连接，第一区域的第二侧面通过第一风机用于与室内循环进风口连接；第二加热器的入口用于与室外进风口连通，第二加热器的出口与第二区域的第二侧面连接，第二区域的第一侧面通过第二风机用于与室外出风口连通；本实用新型可便捷高效地对室内空气进行除湿与加湿操作。
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| GB/T 7714 | 刘忠宝 , 韦自妍 , 孙巍铭 et al. 空气湿度调节装置 : CN202220724318.4[P]. | 2022-03-30 . |
| MLA | 刘忠宝 et al. "空气湿度调节装置" : CN202220724318.4. | 2022-03-30 . |
| APA | 刘忠宝 , 韦自妍 , 孙巍铭 , 宫浩惠 . 空气湿度调节装置 : CN202220724318.4. | 2022-03-30 . |
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