Introduction to the principle, application and common problems of air sterilizer
First, the product overview
An air sterilizer is a machine that sterilizes air. Kill pathogenic microorganisms such as bacteria, viruses, molds, and spores in the air.
Second, disinfection technical specifications
Why should the hospital use an air sterilizer?
Class I environment: laminar flow clean operating room and laminar flow clean room standard: total bacteria ≤10cfu/m3
Method: Laminar flow ventilation
Class II environment: operating room, delivery room, baby room, premature baby room, general protective isolation room, supply room clean area, burn ward, intensive care unit standard: total bacteria ≤200cfu/m3
Method 1: Circulating Air UV Air Sterilizer Method 2: Electrostatic Adsorption Air Sterilizer Note:
The circulating air volume (m3/h) of all sterilizers must be more than 8 times the volume of the room. Class II environment is a human room. It must be non-toxic and non-toxic to humans.
Class III environment: pediatric ward, obstetrics and gynecology examination room, injection room, dressing room, treatment room, supply room cleaning area, emergency room, laboratory, maternal and child room, all kinds of general wards and room standards: total bacteria ≤500cfu /m3
method:
Circulating wind ultraviolet air sterilizer electrostatic adsorption air sterilizer ozone disinfection - ozone concentration 20mg / m3, RH ≥ 70%, disinfection time ≥ 30 minutes, people must leave UV disinfection - installation wattage ≥ 1.5W / m3, time 30 minutes Above, the intensity of irradiation in use shall not be less than 70μw/cm2
Peracetic acid fumigation, hydrogen peroxide compound air disinfectant, quaternary ammonium salt disinfectant and Chinese herbal air disinfectant spray disinfection
Third, the working principle
Ultraviolet rays, plasma, photocatalysis, ozone, electrostatic adsorption, etc.
1. Ultraviolet light, using ultraviolet sterilization and dust filtration and sterilization methods to remove the pathogenic microorganisms in the air to meet the disinfection requirements. Mainly using ultraviolet light tube disinfection.
2, plasma, plasma electric level sterilization, simply said "high-voltage ionization", the main function is the plasma generator, and then with the primary and secondary filter and activated carbon network and other sterilization filter components, so that the controlled environment remains " Aseptic clean room" standard.
3. Photocatalysis: Activate the nano-TiO2 photocatalyst by ultraviolet irradiation to generate electron-hole pairs, so that the photocatalyst interacts with the surrounding H2O molecules and O2 molecules, and combines to form hydroxyl radical OH through the hydroxyl radical OH. Layers lock various harmful components in the air, decompose harmful gases and bacteria and viruses, thus achieving the purpose of disinfection and purification.
4. Ozone: The strong oxidizing property of ozone; the molecular structure is unstable under normal temperature and normal pressure, and it is quickly decomposed into oxygen and a single oxygen atom by itself; the latter has strong activity and has strong oxidation effect on bacteria. Kill it, and the excess oxygen atoms will recombine themselves into ordinary oxygen atoms without any toxic residues.
5, electrostatic adsorption: high-voltage electrostatic field, electrostatic adsorption device is composed of a discharge wire and a negative plate. Under the action of the high voltage generator, the electrostatic adsorption device can generate a DC high voltage of 4KV-8KV and form a strong electrostatic field inside the electrostatic adsorption device. When indoor air passes through the electrostatic adsorption device, particles (including microorganisms) in the air are forced to be positively charged and then adsorbed onto the negative plate.
2, type: wall-mounted, mobile, vertical cabinet, ceiling type is commonly used for wall hanging, mobile. According to the user's recommendation, the operating room is generally wall-mounted, and the ward, supply room, and sterile room are generally wall-mounted and moved. The hall is generally mobile and vertical.
3. Applicable volume: 50-200m3 The applicable volume refers to the applicable volume of the Class II environment specified in the Hospital Sanitary Hygiene Standard. Medical sterilizers are generally said to be cubic, pay attention to the conversion of square and cubic.
Fourth, the application scenario
1. Hospital: operating room, intensive care unit, burn ward, baby room, premature and delivery room, general ward, infusion hall, postoperative recovery room, outpatient department, etc.
2. Laboratories, scientific research institutes and other sanitation and disinfection sites.
3. Various public indoor places and confined spaces in pharmaceutical factories, food factories, production workshops, etc.
4. Various confined spaces such as libraries, banks, and archives.
Five, frequently asked questions
1. What is the difference between dynamic and dynamic?
Dynamic is ultraviolet or photocatalytic disinfection, static is generally ozone disinfection, dynamic and static are UV and ozone combined / photocatalytic and ozone combined disinfection. Dynamic, dynamic and static can be coexisted by humans and machines. Dynamic mode is enabled when the dual-use human-machine coexist.
2. Which effect is good for dynamic and dynamic?
The effect of dynamic and static is good, and the ozone disinfection in dynamic and static use has strong bactericidal effect and more complete disinfection.
3. Which is better for UV and plasma disinfection machines?
There are no good or bad distinctions between the disinfection machines of the two disinfection principles, mainly due to the different disinfection principles.
The ultraviolet disinfection machine is an early disinfection machine used in hospitals. The technology is mature and widely used; the plasma disinfection machine develops late, and the advantage is no consumables.
Address: Innovation Center, 51 South Industrial Road, Jinan City
Contact: Manager Wang
Contact information
Name of Unit: Jinan Xinbeixi Biotechnology Co., Ltd. / Shandong Boke Bio-Industry Co., Ltd. (Boko Group)
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