What are the purification measures for clean room personnel? -common problem

What are the purification measures for clean room personnel?

Clothing: Different cleanliness levels have different requirements for changing clothes, but basically the selection of materials, styles and wearing methods of work clothes should be compatible with production operations and air cleanliness level requirements, and should not be mixed. The texture of clean work clothes should be Smooth, non-static,...

Text label: clean room personnel purification measures, clean room purification, clean room engineering

What are the purification measures for clean room personnel?

Clothing: Different cleanliness levels have different requirements for changing clothes, but basically the selection of materials, styles and wearing methods of work clothes should be compatible with production operations and air cleanliness level requirements, and should not be mixed. The texture of clean work clothes should be Smooth, no static electricity, no shedding of fibers and particulate matter; sterile work clothes must cover all hair, beards and feet, and can block body shedding and prevent pollution caused by microorganisms on the hair and dust on the hair. In order to ensure that the clean clothes meet the hygienic requirements, the clean clothes should be cleaned and arranged regularly. The work clothes used in different air cleanliness levels should be cleaned and arranged separately, and generally cleaned in a clean area with a higher cleanliness than the time of use, and disinfected and extinguished if necessary. bacteria, additional particulate matter should not be brought into the clean room during washing and sterilization; operators in operating areas with different cleanliness levels should be clearly marked in terms of colors and materials when wearing work clothes, and it is not allowed to wear different rooms or different cleanliness levels. The costumed staff move around casually.

Washing: including hand washing before and after one or two shifts; hand disinfection before and after two or three shifts; showering before changing sterile clothing.

Buffering: The purpose of buffering is to further supplement human purification measures to prevent pollution from being brought in due to the entry of people, resulting in cross-contamination. The buffering facility can be an airlock room, an air shower room or a buffer room. An airlock is a small room located at the entrance to a clean room, a sealed space with two doors, between two or more rooms, the purpose of which is that when someone needs to enter or leave these rooms, the airlock can provide access to the rooms between the rooms. The air flow should be controlled; the air lock should be designed and used according to the use of people and objects. The air lock room is only a room with two doors that can be chained but cannot be opened at the same time. To prevent the intrusion of external pollution, because when people enter the airlock, the dirty air from the outside has already entered the airlock with the entry of people.

Air shower room is a more effective pollution prevention facility. It is similar to air lock room but has more air shower process than it. It can prevent outside air from entering the clean room and has obvious effect on removing dust from personnel. Effect: In order to reduce a large number of dust particles caused by the entry and exit of the human body, the human body must be filtered by a high-efficiency filter before entering the clean room, and then the clean airflow sprayed by the rotating nozzle will be sprayed on the human body, so as to effectively and quickly remove dust particles and remove dust. The airflow after the particles is filtered by the primary and high-efficiency filters and recirculated to the air shower area; the air shower room, as the boundary between the clean area and the quasi-clean area, has a warning function and is conducive to regulating the activities of clean room personnel in the clean room.

The buffer room is a facility to prevent pollution from being brought into the door. There can be several doors, but only one door can be opened at the same time. After this door is closed, other doors are allowed to be opened, and clean air must be supplied. , making it as clean as the clean room it will enter.

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