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Kitchen disinfection cabinet is effective for New Coronavirus.

Kitchen disinfection cabinet is effective for New Coronavirus.

Ms. Li Lanjuan, a member of the high-level expert group of the National Health Commission and academician of the Chinese Academy of engineering, said that the kitchen equipment disinfection cabinet can prevent the transmission of various infectious diseases through the digestive tract, quickly kill the bacteria on the dishes, ensure the hygiene of household tableware and avoid the risk factors of harm to the health of the family.


'New Coronavirus infection pneumonia diagnosis and treatment plan (trial version third)' pointed out that New Coronavirus is not resistant to high temperature, at 56 degrees Celsius, only 30 minutes can effectively inactivate bacteria.


'New Coronavirus infection pneumonia diagnosis and treatment plan (trial version fifth)' released: coronavirus is sensitive to ultraviolet and heat.


At present, the grades of kitchen reach in equipment disinfection cabinets in the market mainly include one-star and two-star. The new standard safety and hygiene requirements for tableware disinfection cabinets issued by AQSIQ and China Standardization Committee clearly stipulates the definition, scope of application, classification, grade, mark and description, physical and chemical properties, effect detection, safety and technical specifications of disinfection cabinets, According to the regulations, the disinfection cabinet is divided into two levels:


One star disinfection standard: it can kill representative strains such as Escherichia coli. During ozone disinfection, the ozone concentration in the disinfection cabinet shall be greater than or equal to 20 mg per cubic meter, and the disinfection time shall be about 30 minutes. During high-temperature disinfection, the disinfection temperature in the disinfection cabinet shall be greater than or equal to 100 ℃, and the disinfection time shall be about 15 minutes


Two star disinfection standard: in addition to eliminating Escherichia coli, the disinfection object also includes representative strains such as poliovirus. When ozone disinfection is selected, the ozone concentration in the disinfection cabinet shall be greater than or equal to 40 mg per cubic meter, and the disinfection time shall be about 60 minutes. During high-temperature disinfection, the disinfection temperature in the disinfection cabinet shall be greater than or equal to 120 ℃, and the disinfection time shall be about 15 minutes.


Disinfection method


1. High temperature disinfection, as can be seen from the name, the disinfection cabinet in this way mainly uses the principle of infrared sterilization to kill bacteria by using the high temperature above 120 ℃, so as to sterilize and disinfect tableware.


2. Ozone disinfection. Ozone disinfection is mainly a chemical disinfection method. The disinfection cabinet destroys the living environment of bacteria through the release of ozone, so as to achieve the purpose and effect of sterilization.


3. Physical disinfection. The physical disinfection cabinet is mainly a kind of product that uses light wave for disinfection. Light wave sterilization is mainly divided into ultraviolet sterilization and pasteurization technology. The amount of ultraviolet radiation is controlled by computer program and the pathogenic bacteria are removed by light.


One star disinfection standard: it can kill representative strains such as Escherichia coli. During ozone disinfection, the ozone concentration in the disinfection cabinet shall be greater than or equal to 20 mg per cubic meter, and the disinfection time shall be about 30 minutes. During high-temperature disinfection, the disinfection temperature in the disinfection cabinet shall be greater than or equal to 100 ℃, and the disinfection time shall be about 15 minutes.


Two star disinfection standard: in addition to eliminating Escherichia coli, the disinfection object also includes representative strains such as poliovirus. When ozone disinfection is selected, the ozone concentration in the disinfection cabinet shall be greater than or equal to 40 mg per cubic meter, and the disinfection time shall be about 60 minutes. During high-temperature disinfection, the disinfection temperature in the disinfection cabinet shall be greater than or equal to 120 ℃, and the disinfection time shall be about 15 minutes.


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