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什么是新风量和自然通风?
来源:http://www.kqjczl.cn    添加日期:2020-02-17 15:10:38    浏览次数:
  新风量是指每人在单位时间内进入房间的空气量,单位为每人每小时的立方米。获取新鲜空气有三种方式:自然通风、机械通风和空调通风。
  Fresh air volume refers to the air volume that each person enters the room in unit time, and the unit is cubic meter per hour per person. There are three ways to get fresh air: natural ventilation, mechanical ventilation and central air conditioning ventilation.
  不同种群所需的更小新鲜风量有显著差异,成虫需要≥30m?/(人。H),中学生需要≥32m?/(人。H)、初中生需要≥25m?/(人。H)、瞳孔≥20m?/(people.h),不同地方的人所需的更小新鲜空气量也略有不同。例如,在空气质量要求高的室内场所或环境恶劣的场所,人们对新鲜风量的要求也会相应增加。
  There was a significant difference in the minimum fresh air volume needed by different populations. Adults needed ≥ 30 m? / (person). H) , middle school students need ≥ 32m? /. H) Junior high school students need ≥ 25m? /. H) , pupil ≥ 20 m? / (people. H), the minimum amount of fresh air required by people in different places is slightly different. For example, in indoor places with high air quality requirements or places with poor environment, people's requirements for fresh air volume will increase accordingly.
  众所周知,“自然通风”就是打开建筑物的门窗进行通风。
  As we all know, "natural ventilation" is to open the doors and windows of buildings for ventilation.
  自然通风的作用有三点:一是补充新鲜空气;二是排放室内空气污染物;三是抑制室内细菌和霉菌滋生繁殖。
  There are three functions of natural ventilation: first, to supplement fresh air; second, to discharge indoor air pollutants; third, to inhibit the growth and propagation of indoor bacteria and molds.
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  自然通风是改善室内空气质量、更快和更有效的方法之一。当室内空气污染物、放射性污染物和生物污染物浓度较高时,应自然通风来改善室内空气质量。例如,在新建、改建、扩建和新装修的建筑物中,空气中挥发性有机化合物的浓度往往比室外高几倍,因此自然通风是,以排放VOCS到室外区域,改善室内空气质量。
  Natural ventilation is one of the cheapest, fastest and most effective ways to improve indoor air quality. When the concentrations of indoor air pollutants, radioactive pollutants and biological pollutants are high, natural ventilation should be preferred to improve indoor air quality. For example, in the newly-built, rebuilt, expanded and newly decorated buildings, the concentration of VOCs in the air is often several times higher than that in the outdoor, so natural ventilation is the first choice to discharge VOCs to the outdoor area and improve the indoor air quality.
  自然通风的另一个效应是减少室内相对湿度,尤其是在厨房,浴室和厕所,和其他室内湿度,冷凝或水损害和保持良好的通风,迅速将室内水分以外,它可以有效地破坏细菌和霉菌容易潮湿的环境中繁殖,抑制细菌和霉菌的滋生,污染控制的潜在来源的影响。
  Another effect of natural ventilation is to reduce indoor relative humidity, especially in kitchens, bathrooms and toilets, and other indoor humidity, condensation or water damage and maintain good ventilation, quickly outside the indoor water, it can effectively destroy the environment where bacteria and mold are easy to grow in humidity, inhibit the growth of bacteria and mold, and influence the potential source of pollution control.
  需要注意的是,在冬季采暖、夏季降温时,通风后将室外空气加热或冷却至室内温度会增加能耗。因此,应根据室内空气污染程度、频率和时间长短来确定门窗开启的大小,以节约能源。
  It should be noted that when heating in winter and cooling in summer, heating or cooling outdoor air to indoor temperature after ventilation will increase energy consumption. Therefore, the opening size of doors and windows should be determined according to the degree, frequency and time of indoor air pollution, so as to save energy.
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  This article is organized and released by Jinan formaldehyde removal company. For more information, please click our official website for consultation: http://www.kqjczl.cn
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