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class 5 Electronic clean room-Non-electrostatic, mesh soft curtains, aluminum profiles, AC fans
Temperature and Humidity Requirements for Clean Rooms
Temperature and humidity control of the clean room is a key factor in ensuring a stable environment during the product manufacturing process. In general, the temperature should be maintained above 16℃±2℃ in winter and below 26℃±2℃ in summer. Relative humidity should be controlled between 45%-65% (RH), which can be adjusted according to specific industry requirements and production processes. For example, certain sensitive electronic products may need to be produced in a lower humidity environment to reduce the risk of electrostatic discharge.
Regulation of Fresh Air Volume
Fresh air volume plays an important role in maintaining air pressure and cleanliness inside the clean room. When designing a clean room, the calculation of fresh air volume needs to take into account a number of factors. Generally speaking, the fresh air volume should be sufficient to compensate for the exhaust air and maintain a positive pressure value in the room, while also ensuring that the fresh air volume supplied to each person in the clean room is not less than 40 cubic meters per hour. This helps to ensure fresh air and a stable environment inside the clean room.
Requirements for air supply volume
The volume of air supplied to a clean room depends on the area it serves and the purpose for which it is used. For example, for a 300 square meter plant with a ceiling height of 2.5 meters, the theoretical air supply should be 300 x 2.5 x 20 = 15,000 cubic meters per hour. Such a volume of air supply can ensure sufficient air circulation to maintain the cleanliness inside the clean room.
Structure and function
The structure of a clean shed usually includes components such as a box, a fan, a primary filter, a high-efficiency filter, and an electrostatic filter. The inner wall of the box is often made of color steel plate or other non-dust-producing materials to reduce the generation and accumulation of particles. The fan is responsible for driving the air flow, roughly filtering larger particles through the primary filter, further purifying through the high-efficiency filter, and finally removing tiny particles and microorganisms through the electrostatic filter. Such multiple filtration ensures the cleanliness of the air and meets the needs of different cleanliness levels.
Classification of clean rooms
According to the cleanliness level of the air inside the clean room, it can be divided into different levels, such as 100, 1000, 10,000 and so on. For example, the number of particles larger than 0.5 micron in diameter per cubic meter of air in a Class 100 clean room is no more than 3,520, while the number in a Class 10,000 clean room is no more than 10,000. Different cleanliness levels correspond to different application scenarios. For example, Class 100 clean rooms are commonly used in semiconductor manufacturing, which requires extremely high cleanliness, while Class 10,000 clean rooms can be used in general pharmaceutical production environments.
Maintenance and Management
Maintenance and management of the cleanroom is critical to its proper operation. This includes regular cleaning, filter replacement, equipment inspection and maintenance. Personnel are required to change into special clean suits before entering the clean room and undergo proper sterilization procedures to minimize carry-over contamination. In addition, environmental parameters such as temperature, humidity and pressure difference in the clean room need to be strictly controlled to suit the needs of the production process.
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