温湿度独立控制空调系统在医院项目中的应用

作者:魏曙光 李刚 祝根原 徐皓 肖明
单位:同圆设计集团股份有限公司 重庆海润节能技术股份有限公司
摘要:医疗建筑室内空气质量要求较高且能源消耗量很大,是单位面积能耗最大的公共建筑之一。新冠肺炎疫情暴发以来,医疗建筑集中式空调系统的安全性、可靠性更加受到社会各界的关注。温湿度独立控制空调系统基于空调末端干工况运行、新风承担全部湿负荷,配合高效能冷热源可大幅提高室内空气质量、降低运行能耗。本文所介绍的医院项目采用了蓄能型楼板双面辐射供冷供暖+双冷源新风机组深度除湿置换通风+地埋管式地源热泵冷热源的温湿度独立控制空调系统。实测运行数据表明:2020年该空调系统单位空调面积(扣除车库、设备用房等)运行费用为39元/m2,折合单位建筑面积年运行费用为31元/m2;室内空气质量良好。
关键词:温湿度独立控制系统冷热源节能室内空气质量辐射供冷综合医院
作者简介:魏曙光,男,1982年生,硕士研究生,高级工程师,250101山东省济南市高新区舜华路2000号舜泰广场11号北三楼,E-mail:weisg1982@163.com;
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Application of temperature and humidity independent control air conditioning systems to a hospital project
Wei Shuguang Li Gang Zhu Genyuan Xu Hao Xiao Ming
(Tongyuan Design Group Co., Ltd. Chongqing Hairun Energy Saving Technology Co., Ltd.)
Abstract: Medical building has high indoor air quality requirements and high energy consumption, and is one of the public buildings with the largest energy consumption per unit area. Since the outbreak of COVID-19, the safety and reliability of the central air conditioning system in medical buildings have attracted more and more attention from all walks of life. The temperature and humidity independent control air conditioning system is based on the dry working condition of the air conditioning end and the outdoor air undertaking all the wet load, and cooperates with the high-efficiency cold and heat source, which can greatly improve the indoor air quality and reduce the operation energy consumption. The hospital project presented in this paper adopts the temperature and humidity independent control system with energy storage type floor slab double-sided radiant cooling and heating, deep dehumidification and displacement ventilation of double cold source outdoor air unit, and buried pipe ground source heat pump cold and heat source. The measured operation data shows that in 2020, the operation cost per unit air-conditioning area of the central air conditioning system(excluding garage, equipment room, etc.) is 39 yuan/m2, which is equivalent to the annual operation cost per unit building area of 31 yuan/m2, and the indoor air quality is good.
Keywords: temperature and humidity independent control system; cold and heat source; energy conservation; indoor air quality; radiant cooling; general hospital;
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