A clean room refers to a well-sealed space in which air cleanliness, temperature, humidity, pressure, noise and other parameters are controlled as required.
1. Maintain the positive pressure value of the air-conditioned room.
If the room has negative pressure or the positive pressure value is lower than that of the adjacent room, the air in the outdoor and surrounding rooms will infiltrate through the cracks in the doors and windows. Especially in the purifying air conditioning system, the positive pressure value of the higher purification level is higher than the positive pressure value of other rooms. The cleanliness of the medical design is greater than 10 Pa at least than the non-clean area, and the cleanliness between different cleanliness is greater than 10 Pa.
2. To ensure the reasonableness of airflow in the air-conditioned room.
If the airflow is destroyed, not only the indoor temperature distribution will be affected, but also because of the excessive vortex, the unclean airflow near the corners and the ground will spread to the indoor working area. Therefore, the layout of workbenches and equipment in air-conditioned rooms should take into account the rationality of airflow. The equipment cannot block the return air vent, and the return air louver is strictly prohibited to move indiscriminately.
3. To clean the room, you must ensure that there are three levels of filtration: coarse, medium, and high-efficiency filtration. It is necessary to strengthen the management of purification air-conditioning. The staff should abide by the system and operating procedures to ensure that the indoor hygiene meets the purification requirements.
4. Clean and replace the air filter frequently or regularly, and clean the medium and coarse-efficiency and medium-efficiency foam filters with fresh air. When the final resistance of the medium-efficiency filter is twice the initial resistance or the limit value, it should be cleaned. When the resistance of the high efficiency filter is too large, it should be replaced. After the foam filter is cleaned, it should be measured.
5. Keep the air conditioning processing equipment and the air conditioning room clean.
6. Regularly measure the dust content and positive pressure value in the room.
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