摘要
为降低防护服衣下微环境湿度,采用干燥剂除湿的方式,选择无毒、安全性高的氯化钙干燥剂,设计一款除湿背心。根据干燥剂包的疏密以及单双面分布因素研究干燥剂包的排列方式,并对除湿背心进行改进。研究结果表明:干燥剂双面紧密排列方式的除湿效果最好,40 min内可使防护服衣下躯干部位相对湿度从90%左右降至60%左右,但此方式存在上臂、大腿部位的除湿效果不明显以及躯干部位皮肤温度升高较多的缺陷;在防护服腹部和后腰处设置排风扇的改进方案能够使上臂、大腿部位衣下相对湿度降至65%左右,同时也能有效降低暖体假人的皮肤温度,可使胸部温度降至34℃左右,腹部降至35℃左右,背部降至36.5℃左右,后腰、上臂降至35.5℃左右,大腿降至33℃左右。因此,改进后的除湿背心能够有效降低防护服衣下微环境湿度,同时也能保证假人的皮肤温度不升高。
In order to reduce the humidity of the microenvironment under the protective clothing,a desiccant dehumidification method is adopted,and calcium chloride desiccant with non-toxic and high safety is selected to design a dehumidification vest.The arrangement of desiccant bags is studied according to the density of desiccant bags and the factors of single and double side distribution,and the dehumidification vest is improved.The research results show that the dehumidification effect of the desiccant double side close arrangement is the best,and the relative humidity of the lower torso of the protective clothing can be reduced from about 90%to about 60%within 40 min.However,this method also has the drawbacks of not having a significant dehumidification effect on the upper arms and thighs,as well as a significant increase in skin temperature in the trunk area.The improvement scheme of installing exhaust fans in the abdomen and back waist of the protective clothing can reduce the relative humidity of the upper arms and thighs to about 65%,and can also effectively reduce the skin temperature of the sweating manikin.It can lower the chest to about 34℃,abdomen to about 35℃,back to about 36.5℃,back waist and upper arm to about 35.5℃,and thigh to about 33℃.Therefore,the improved dehumidifying vest can effectively reduce the humidity of the microenvironment under the protective clothing,and also ensure that the sweating manikin’s skin temperature does not rise.
作者
夏媛媛
潘姝雯
谢丹
张雪原
戴宏钦
XIA Yuanyuan;PAN Shuwen;XIE Dan;ZHANG Xueyuan;DAI Hongqin(College of Textile and Clothing Engineering,Soochow University,Suzhou 215123,Jiangsu,China;National Engineering Laboratory for Modern Silk,Soochow University,Suzhou 215123,Jiangsu,China)
出处
《上海纺织科技》
2024年第2期25-31,共7页
Shanghai Textile Science & Technology
关键词
相对湿度
防护服
氯化钙
干燥剂
衣下微环境
暖体假人
温度
relative humidity
protective clothing
calcium chloride
drying agent
undergarment microenvironment
sweating manikin
temperature
