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  • 单向流洁净室的原理
    来源:最新澳门网址大全 浏览: 发布日期:2018-03-23
    单向流洁净室一般有两种类型,即水平流和垂直流。在水平流系统中,气流是从一面墙流向另一面墙。在垂直流系统中,气流是从吊顶流向地面。对要求洁净室的悬浮粒子浓度或微生物浓度更低的场合,就使用单向气流。以前称这类洁净室为“层流”洁净室。
    Unidirectional flow clean room are generally of two types, namely horizontal flow and vertical flow. In a horizontal flow system, the flow of air flows from one wall to another. In a vertical flow system, the flow of air flows from the ceiling to the ground. Unidirectional airflow is used on occasions where the concentration of suspended particles in the clean room is required or the concentration of microbes is lower. This kind of clean room was formerly known as a "laminar" clean room.
    空气净化工程的单向流和层流的名称均说明了其气流的状况:气流以一个方向流动(或是垂直的或是水平的),并以一般是0.3米/秒至0.5米/秒的均速流过整个空间。由满布洁净室吊顶的高效过滤器向室内送风。气流有如一个空气活塞,向下流经室内,带走污染物,然后从地面排出。又在与外部的一些新鲜空气混合后,再循环至高效过滤器。
    The name of unidirectional flow and laminar flow in air purification engineering indicates the status of its airflow: airflow flows in one direction (or vertical or horizontal), and flows through the whole space at a speed of 0.3 M / sec to 0.5 m / sec. The HEPA filter with clean room ceiling to indoor air. The air flow is like an air piston, flowing down the room, taking the pollutants away, and discharging it from the ground. After mixing with some fresh air from the outside, it is recirculated to the high efficiency filter.
    空气净化工程工艺所产生的悬浮污染可立即被这种空气清除掉,而紊流通风系统采用的是混合与稀释原理。在一间没有任何障碍物的空房间,单向流用比前面提到的低得多的风速,就可以很快将污染物清除。
    The suspension pollution produced by the air purification engineering process can be removed immediately by this air, while the turbulence ventilation system uses the principle of mixing and dilution. In an empty room with no obstacles, a one-way flow can quickly remove the pollutants with a much lower wind speed than it mentioned earlier.
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