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    山东通风管道的机械通风原则方式
    来源: 2017-07-06 11:01:05
    山东通风管道的机械通风原则方式,机械通风作用压力的大小,可以根据需要选择不同的风机来确定,并不受自然条件的限制.因此可以通过通风管道把空气最小达风巡指正,也可以从任意地点要求吸风速.:
    Mechanical ventilation principles and methods of ventilation ducts in Shandong,Effect of mechanical ventilation pressure, can choose different fans according to the need to determine, not limited by natural conditions. So it can pass through the ventilation pipe air patrol. Minimum wind, also can be from any place required suction wind speed:
    1.稀释通风:稀释通风又称混合通风,即送人比室内污染物浓度低的空气与室内空气混合,以此降低室内污染物的浓度,达到卫生标难.
    1. dilution ventilation: dilution ventilation and mixing ventilation, air and indoor air mixed free indoor pollutant concentration than low, thereby reducing the concentration of indoor pollutants, meet the sanitation standard difficult.

    2.山东通风管道置换通风:在置换通风系统中,新鲜冷空气由房间底部以很低的速度(o.03-o.59t/s)送人,送风温差仅为2-4Y.送入的新鲜空气因密度大而像水一样弥漫整个房间的底部,热源引起的热对流气流使室内产生垂直的温度禅度,气流缓慢上升,脱离工作区,将余热和污染物推向房间顶部,最后由设在顶棚上或房间顶部的排风口直接排出.

    山东通风管道

    2. displacement ventilation: in displacement ventilation system, fresh air from the bottom of the room at a very low speed (o.03-o.59t/s) give, air temperature is only 2-4Y. into the fresh air because of high density and like water filled the whole room at the bottom of the heat caused by heat to produce indoor vertical temperature on the flow of Zen flow, flow slowly rising, from the work area, the waste heat and pollutants to the top of the room, by the end of the air outlet in the room at the top of the ceiling or discharged directly.
    3.局部通风:局部通风就是利用局部气流,使局部地点不受有害物的污染,造成良好的空气环境.局部通风系统分为局部送风和局部排风两大类.局部排风是将污染物就地捕集、净化后排放至室外.局部送风是将经过处理的、合乎要求的空气送到局部工作地点,以保证局部区域的空气条件.局部通风方式作为保证工作和生活环境空气品质、防止室内环境污染的技术措施应优先考虑.
    3. local ventilation ventilation is the use of local airflow, the local place is not affected by the contamination of harmful substances, resulting in good air environment. Local ventilation system is divided into local ventilation and local exhaust two categories. Local exhaust pollutants is local collection and purification before discharge to the outside air is local. After treatment, in line with the requirements of the air to the local place of work, to ensure the local air conditions. Local ventilation as a way to ensure the working and living environment air quality, technical measures to prevent pollution of indoor environment should be given priority.
    山东通风管道的机械通风就是通过以上三种方式,使通风管道系统达到预期的通风效果.
    The mechanical ventilation of the ventilation duct is to achieve the desired ventilation effect through the above three ways
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