摘要
为加强消防水带的维护保养,设计了一款基于空气源热泵的闭式干燥装置,以达到低能耗、快速干燥的目的。通过实验的方法探究送风温度、速度对衬里为橡塑和聚氨酯两种材质消防水带的干燥特性的影响,并利用Wang and Singh干燥模型拟合建立了两种材质消防水带的干燥模型。送风温度由30℃每提升10℃,衬里为橡塑的消防水带干燥时间分别减少23.1%、30.2%,衬里为聚氨酯的消防水带分别减少25.1%、43.4%。相较于风速为2 m/s的工况下,风速为3 m/s时两种材质消防水带干燥时间减少不明显,风速为4 m/s时分别减少9.3%和30%。送风速度为3 m/s,30,40,50℃下衬里为聚氨酯的消防水带干燥时间比衬里为橡塑的消防水带分别减少26.4%、68.8%、67.2%;送风温度为50℃,送风速度为2,3,4 m/s时,衬里为聚氨酯的消防水带的干燥时间比衬里为橡塑的消防水带干燥时间分别减少34.8%、40.1%、49.8%。
In order to strengthen the maintenance of fire hose,the closed drying device based on air source heat pump was designed,which can achieve the purpose of low energy consumption and fast drying.The effects of air supply temperature and air supply speed on the drying characteristics of two kinds of fire hose with rubber and polyurethane lining were analyzed by experimental method,and the drying models of two kinds of fire hose were established by fitting Wang and Singh drying models.When the air supply temperature increased by 10℃ from 30℃,the drying time of rubber and plastic fire hose decreased by 23.1% and 30.2% respectively,and that of polyurethane fire hose decreased by 25.1% and 43.4% respectively.Compared with the wind speed of 2 m/s,the drying time of the two materials of fire hose was not significantly reduced when the wind speed was 3 m/s,and was reduced by 9.3% and 30% respectively when the wind speed was 4 m/s.When the air supply speed was 3 m/s and the temperature was 30,40 and 50℃,the drying time of the fire hose lined with polyurethane was 26.4%,68.8% and 67.2% less than that lined with rubber and plastic respectively.When the air supply temperature was 50℃ and the air supply speed was 2,3 and 4 m/s,the drying time of the fire hose lined with polyurethane was 34.8%,40.1% and 49.8% less than that lined with rubber and plastic,respectively.
作者
于昊
刘龙
李永振
刘翠浴
Yu Hao;Liu Long;Li Yongzhen;Liu Cuiyu(Qingdao University of Technology,School of Environmental and Municipal Engineering,Shandong Qingdao 266520,China)
出处
《消防科学与技术》
CAS
北大核心
2022年第9期1268-1273,共6页
Fire Science and Technology
基金
山东省高等学校科技计划项目(J18KA189)。
关键词
热泵干燥
消防水带
干燥特性
干燥模型
heat pump drying
fire hose
drying characteristics
drying model
作者简介
于昊(1996-),男,山东聊城人,青岛理工大学环境与市政工程学院硕士研究生,主要从事热泵干燥和建筑节能研究,山东省青岛市黄岛区嘉陵江东路777号,266520;通信作者:刘龙(1987-),男,青岛理工大学环境与市政工程学院副教授。
