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What is the role of Dongguan air-conditioned room equipped with air shower?


What is the role of Dongguan air-conditioned room equipped with air shower?
1. The air shower has the function of air lock, which can prevent outside air from entering the interior of the dust-free workshop, and maintain the dust-free workshop in a positive pressure state.
2. At a certain wind speed and a certain blowing time, the air shower room has a clear effect on removing dust from personnel.
The measurement results of the use of the air shower room show that the amount of dust scattered by the personnel is different from that of the air shower. The air shower has a certain effect. The air shower effect of the air shower room is generally: The dust particle removal rate is 10% -30%, and it is about 15% -35% for dust particles 5um or more.
3. In addition to a certain purification effect, the air shower room serves as a boundary between the clean area and the non-clean area. It also has a warning mental function, which is conducive to regulating the activities of personnel in the clean room.
The efficiency of the air shower room is not only related to the number and location of the air outlets of the air shower room, but also depends on the shower speed and shower time.
The number of users of the air shower room mainly depends on the time required for each person to blow the shower and the total time for the staff to clean up before work. It is assumed that the clean time in the clean room is 30 seconds. It takes 10 seconds to change shoes and change clothes. The time is 20 seconds, set the shower time for each person to 30 seconds, plus 10 seconds for the shower preparation time, then an air shower room can be used by 30 people, when the maximum number of people in the clean room workshop is more than 30 people, Two or more single air shower rooms are arranged in parallel.
When the air shower room is set up, a passage should be set up next to the air shower room, so that the entry and exit of off-duty personnel and maintenance personnel do not need to pass through the air shower room, which protects the air shower room equipment and facilitates the access of equipment and tools during maintenance.
Due to the strong self-purification ability and no turbulent flow, the vertical one-way dust-free workshop can quickly remove the dust from the personnel without polluting the product quality. Therefore, it is not necessary to set an air shower room, but an air lock room is still required.
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