How Laminar Airflow Works

Laminar airflow, also known as unidirectional airflow, is a common airflow cleaning method in clean room air purification projects. Unidirectional flow cleaning type: There are three different forms of vertical unidirectional flow, horizontal unidirectional flow, and non-full unidirectional flow.

Purification principle:

In the clean room, from the air supply port to the air return port, there is almost no change in the cross section of the airflow passing through it. In addition to the pressure and flow equalization effect of the air inlet static pressure box and the high-efficiency filter, the flow rate on the entire room section is relatively uniform, and at least In the working area, the streamlines are unidirectional and parallel, and there is no eddy current. This is the three major characteristics of one-way flow clean room. The streamlines here are unidirectionally parallel, which means that the time-averaged streamlines are parallel to each other and have a single direction.

Operation requirements:

Strictly purify each operating room air purification system. Different levels of filters are installed in the four corners of the operating room wall, purification units, ceilings, corridors, fresh air fans and exhaust fans, and they are regularly cleaned, repaired and replaced to strictly ensure indoor The air is sterile; in addition, the sanitation management of the laminar flow operating room cannot be relaxed at all in addition to the daily cleaning work as in the past, but also has special requirements for the indoor cleaning work. A 90° corner makes the bacteria nowhere to hide, avoids endless dead corners, and does not need to use physical or chemical methods for disinfection in the room, which saves labor and prevents the entry of foreign pollution.

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