It is necessary to disinfect the surface of the goods after the guests with patients or infectious diseases visit. At this time, it is best to choose milder disinfectant types, such as quaternary ammonium salt disinfectant (commonly known as cationic surfactant) and 84 disinfectant. , and refer to the instructions when matching the concentration. Do not blindly pursue high concentration, but rather reduce it; Clothes and tableware should be thoroughly washed after disinfection to avoid chemical residues. This product is a disinfectant with sodium hypochlorite as the main effective component, and the effective chlorine content is [5.0% ~ 6.0%]. It can kill intestinal pathogenic bacteria and purulent cocci and inactivate viruses. Disinfection target stock solution: available chlorine content in water (mg/L) Action time Usage: public goods1:150 40010 minutes to wipe the tableware1:150 40010 minutes to soak the hepatitis patients.
(A) air disinfection
Ultraviolet lamp irradiation or air disinfection machine disinfection can be used.
1. Ultraviolet lamp irradiation and disinfection: it is turned on in unmanned state, and the irradiation is not less than 1 hour each time, once a day.
2. air disinfection machine disinfection: air disinfection machine such as ultraviolet circulating air and high-voltage electrostatic circulating air can be used, and the operation shall be carried out according to the equipment instruction manual. Advocate open use under human conditions.
(2) Air conditioning filter
Clean and disinfect once a month. The filter screen can be soaked in chlorine-containing disinfectant with effective chlorine concentration of 250 mg/L ~ 500 mg/L for 30 minutes, then rinsed with clear water and dried.
(3) Disinfection of ground and object surface
Available chlorine concentration of 250 mg/L ~ 500 mg/L chlorine disinfectant mop the floor, after 30 minutes with clean water. Lectures, tables and chairs, window sills, corner cabinets, door and window handles, bedrails, telephones, switches, washbasins, toilets, countertops and other high-frequency contact parts can be wiped with 250 mg/L ~ 500 mg/L chlorine-containing disinfectant, and cleaned with clean water after 30 minutes, at least once a day.
(4) Cleaning and disinfection of the kitchen of the collective canteen
After each meal, use detergent and other cleaning agents to clean the surfaces of all kinds of kitchen utensils and tableware, and rinse them with clear water to maintain hygiene. The kitchen floor can be mopped with chlorine-containing disinfectant containing 250 mg/L ~ 500 mg/L of available chlorine. Rinse with clean water after 30 minutes, at least once a day.
(5) Disinfection of tableware in collective canteens
Tableware sterilizer is the first choice for disinfection. Commonly used disinfection cupboards include ultraviolet ozone disinfection cupboards and high-temperature heating disinfection cupboards, which are used according to the operating instructions. It can also be disinfected by high-temperature steam or boiling 15 ~ 30 minutes, or soaked in chlorine-containing disinfectant (the concentration of available chlorine is 250 mg/L ~ 500 mg/L) for 30 minutes, and then rinsed with clear water. Tableware should be cleaned after disinfection.
(6) hand disinfection
Schools should provide adequate hand washing facilities on campus. During the period of novel coronavirus infection, schools should be equipped with enough soap and hand sanitizer to urge students to wash their hands after entering school, before leaving school, before and after eating and defecating, and before and after group activities. Wash your hands with running water and follow the "seven-step washing method". According to the actual situation, it can be equipped with a quick hand disinfectant containing ethanol.
(7) Disinfection of toilets
Chlorine-containing disinfectant with effective chlorine concentration of 250 mg/L ~ 500 mg/L can be used to wipe door handles, faucets, toilet buttons, hand washing countertops, etc. Or put the disinfectant into a sprayer and spray the space and surface until it is wet. After waiting for 30 minutes, open the window for ventilation and rinse with clear water.