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首页> 外文期刊>Energy Conversion & Management >Energy efficiency analysis of a multifunctional hybrid open absorption system for dehumidification, heating, and cooling: An industrial waste heat recovery application
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Energy efficiency analysis of a multifunctional hybrid open absorption system for dehumidification, heating, and cooling: An industrial waste heat recovery application

机译：用于除湿，加热和冷却的多功能混合开放吸收系统能效分析：工业废热回收应用

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摘要

Rising energy consumption for heating, dehumidification, and cooling applications has created a scientific gap to develop new hybrid energy systems which can utilize the available waste heat or renewable energy resources. In this study, a new multifunctional hybrid open absorption system is proposed to utilize the waste heat from moist air or flue gases to supply hot water for heating and to dehumidify the ambient air for further industrial or space cooling applications at the expense of any external heat source for regeneration requirement. This multifunction system consists mainly of two open column absorbers (primary and secondary), condenser, regenerator, heat exchangers and Maisotsenko cycle based dew point indirect evaporative cooler. The secondary absorber recovers the latent heat from moist gas and the primary absorber dehumidifies the ambient humid air for air-conditioning or other cooling applications. Absorbed water vapors from the absorbers are condensed to get the recovered water by transferring the vapor's latent heat to the circulating water which can be used for heating applications. The thermodynamic and process models of this system are developed to analyze its performance in detail. The effects of important inlet parameters are studied on different performance parameters and the results highlight that the system is capable to provide 176.9 kW heating capacity at the thermal coefficient of performance of 2.223 with heat recovery efficiency of 87.1%. Moreover, this system can recover 115.2 kg/h water in the form of condensate with recovery efficiency of 76.36% and cooling capacity of 9.873 kW can be achieved at system design specifications.
机译：对加热，除湿和冷却应用的能耗上升创造了一种科学缺口，可开发新的混合能源系统，该系统可以利用可用的废热或可再生能源资源。在这项研究中，提出了一种新的多功能混合开放吸收系统，以利用来自潮湿的空气或烟气的废热来供应热水以供暖，以便以任何外部热量为代价进行进一步的工业或空间冷却应用的环境空气。再生要求的来源。该多功能系统主要由两个开放式柱吸收剂（初级和二级），冷凝器，再生器，热交换器和Maisotsenko循环的露点间接蒸发冷却器组成。二次吸收剂从湿气中恢复潜热，主要吸收器除湿环境湿气空气以进行空调或其他冷却应用。吸收来自吸收剂的吸收的水蒸汽冷凝以通过将蒸汽的潜热传递到可用于加热应用的循环水来获得回收的水。该系统的热力学和过程模型是开发的，以详细分析其性能。在不同的性能参数上研究了重要的入口参数的影响，结果突出显示系统能够在热量恢复效率为87.1％时提供176.9千瓦的加热容量2.223。此外，该系统可以以76.36％76.36％的恢复效率恢复115.2kg / h水，在系统设计规范中可以实现9.873 kW的冷却能力。

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