class 5 Electronic clean room-Non-electrostatic, mesh soft curtain, stainless steel, AC fan
Clean room class classification
Clean shed classifications are based on the maximum number of particles allowed per cubic meter of air. Specifically, a Class 5 clean room is defined as having no more than 100 dust particles greater than or equal to 0.5 microns per cubic meter of air; Class 6 is defined as having no more than 6, and Class 7 is defined as having no more than 7. These levels are designed to ensure that a relatively constant clean environment can be maintained during production processes with different sensitivity requirements, preventing product quality problems due to airborne particle contamination.
Clean room design and maintenance
The design of a clean room needs to take into account the industry in which it is used and the level of cleanliness required, including but not limited to the choice of materials, structural layout, design of ventilation systems, etc. In addition, the maintenance of the clean room also needs to be taken into account. In addition, the maintenance of the clean room is also very critical and requires regular air quality testing, cleaning and filter replacement to ensure the stability and reliability of the clean room's internal environment.
Cleanliness Classification Table
Air Filtration Technology
Air filtration technology is a core component of a clean room. Typically, high efficiency filters (HEPA) or ultra high efficiency filters (ULPA) are installed inside the cleanroom to intercept and capture airborne particles. These filters remove the majority of micron-sized particles and ensure that the air fed into the cleanroom is as clean as it should be.
Airflow Control
Airflow control is another key technology in clean rooms. Through carefully designed airflow organization, a stable airflow pattern can be created inside the clean room, usually in the form of laminar or turbulent flow, to minimize the accumulation of contaminants. Laminar flow refers to the flow of air along a straight line, while turbulent flow is the random flow of air. Both methods are effective in diluting and removing contaminants to maintain cleanliness inside the cleanroom.
Positive Pressure Control
Clean rooms need to maintain a certain positive pressure to prevent the intrusion of external contaminants. Positive pressure control is realized by adjusting the amount of air supply and return air volume to ensure that the clean room has a certain positive pressure difference relative to the external environment or adjacent areas. This design can effectively prevent external contaminants from entering the clean room and protect the purity of the internal environment.
Structural characteristics
The structural design of the cleanroom is also very important, including but not limited to the choice of materials for walls, floors and ceilings, as well as the layout of lighting, electrical and plumbing systems. These structures must take into account sealing and ease of cleaning to accommodate the special requirements of a clean room.
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