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当前位置: 首页-新闻中心 > 通风的动力是室内外空气温度差所产生的

通风的动力是室内外空气温度差所产生的

发布时间:2017/05/10

通风依照空气活动所依托的动力分为自然通风和机械通风。通风设备自然通风,通风的动力是室内外空气温度差所产生的“热压”和室外风的作用所产生的“风压”。这两种要素有时单独存在,有时同时存在。
Ventilation is divided into natural ventilation and mechanical ventilation according to the motive force of air activity. Natural ventilation of ventilation equipment, ventilation power is the indoor and outdoor air temperature difference arising from the "hot" and outside the role of the wind generated by the wind". These two elements sometimes exist separately, sometimes at the same time.
室外温度较低、密度较大的空气则从下部窗孔流入室内。室内外空气温差愈大(即密度差愈大)、上下窗孔高差愈大、窗孔面积愈大,则通风量也愈大。
Outdoor temperature is low, the density of air from the lower window into the room. The larger the indoor air temperature difference (i.e., the greater the density difference), the greater the height difference between the upper and lower window, the larger the area of the window, the greater the amount of ventilation.
排烟罩
机械通风是以风机为动力形成空气活动。机械通风不受自然条件的限制,能够依据需求停止送风和排通风设备风,取得稳定的通风效果。在某些场所常兼用机械通风和自然通风。
Mechanical ventilation is driven by the fan to form air activity. Mechanical ventilation is not restricted by the natural conditions, can stop the supply of wind and exhaust ventilation equipment, according to the demand, to achieve a stable ventilation effect. Mechanical ventilation and natural ventilation are often used in some places.
某些房间对空气环境有较高的请求,不允许四周空气流入,这些房间的机械送风量应大于机械排风量,使室内压力大于大气压力。
Some rooms have a higher request on the air environment, not allowed to flow into the surrounding air, the room should be greater than the mechanical ventilation of the mechanical exhaust air, so that indoor air pressure greater than atmospheric pressure.
本文的精彩内容来自济南排烟罩详细内容请点击我们的官方网站: http://www.jnqsg.com/谢谢您的到来!
The highlight of this article comes from the details of the exhaust hood in Ji'nan. Please click on our official website: http://www.jnqsg.com/ thank you for coming!
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