5 commonly used physical disinfection sterilization method is as follows:

One, ventilation

1, applicable object: indoor air.

2, disinfection method: in general, open the doors and windows ventilation can be. At least 2 times a day each time more than 30min.

3, Note: poor ventilation conditions of the building, the need to use mechanical ventilation ventilation; cold season and summer use of air conditioning, can not open the windows to ventilate the air, can be used to disinfect the circulating wind air sterilizer.

Two, sunlight exposure

1, the object: commonly used in plush toys, mattresses, blankets, bedding, books, and other public **** the daily disinfection of supplies.

2, disinfection method: the public **** supplies completely exposed to sunlight exposure 4-6h.

3, notes: regular turning, the use of all sides of the product can be irradiated.

Three, boiling disinfection

1, the object of application: for food and drink utensils, towels and other heat and moisture resistant supplies disinfection.

2, disinfection method: the items to be disinfected completely submerged in water and cover, heating to boiling water to maintain more than 15min.

3, Note: The items should be cleaned before disinfection. From the time the water boils to start counting the disinfection time, halfway to add items should be re-timed. Boiling disinfection water should use soft water.

Four, circulating steam disinfection

1, the object of application: applicable to food and beverage utensils, towels, bath towels, pillowcases, quilt covers, bed linen and other heat-resistant and moisture-resistant products disinfection.

2, the disinfection method: the use of mobile steam generator, steamer, steamer, etc. so that the water boiling water vapor, circulating steam temperature of 100 ℃, the role of 20min ~ 30min.

3, note: disinfection should be from the time the water boiled after the steam generation. Disinfected items should be clean and dry, placed vertically, leaving a certain gap between the items.

V. Ultraviolet disinfection

1, the object: for indoor air and object surface disinfection.

2, disinfection methods: the use of ultraviolet germicidal lamp disinfection, should be unoccupied indoor state, the use of suspended or mobile ultraviolet lamp direct irradiation disinfection, the lamp hanging height from the surface of the object 1.8m ~ 2.2m, the number of installed ultraviolet lamps for an average of ≥ 1.5w / m3.