Today (Suzhou Pharma Machinery Co., Ltd.) will introduce to you, the method of air purification in clean room (partial purification).

2022-04-19

2. (local purification)

(1) Clean laminar flow hood: The clean laminar flow hood is a local air purification device in the hospital. Generally, a vertical laminar flow method can be formed, and a transparent enclosure is used around it. The air of high cleanliness (class 10,000 to class 100) can be maintained in the entire hood. This clean laminar flow hood can be used for the treatment and protection of immunocompromised patients, so it is also called a sterile bed laminar flow hood.

(2) Purifying the operating table: The air in the box is purified by horizontal or vertical laminar flow, which can make the purification in the operating table reach a high level.

(3) Electrostatic adsorption sterilization purification technology: Electrostatic adsorption sterilization is based on the principle of industrial electrostatic precipitator, and has some innovations in miniaturization technology. ①Use the thin wire discharge electrode and the honeycomb aluminum box collector to form a grade line device; ②Use the mirror image force to charge adsorption.

At present, there is a three-stage purification device, that is, pre-filtration-high-efficiency filtration-activated carbon adsorption, combined positive ion electrostatic adsorption sterilization, and use of large air volume air purification to ensure the number of indoor air purification, which is a good solution to the key departments of the hospital such as The continuous disinfection of air in operating rooms, ICUs, maternal and child wards, hemodialysis rooms, etc. with people, can make the purification and cleanliness of indoor air in the hospital reach 100,000 to 10,000.

⑷ Negative ion purification technology: Negative ions are a negatively charged chemical group that can undergo reversible changes, have a very short existence time, and have no ability to kill microorganisms. Combined, multiple particles agglomerate and become larger and settle down quickly, so that the air can achieve the purpose of purification. Only when negative ions in the air have certain chemical properties, such as active oxygen ions, can they have the ability to infringe on proteins and thus kill microorganisms. Therefore, the ability of negative ions to purify the air is relatively limited, and the removal rate of microbial particles in the air can only reach 70%~90%.

The above introduction is related, clean room, air purification method two (local purification).

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