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The wrong way to disinfect the elevator, short circuit!
2024-05-14
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The wrong way to disinfect the elevator, short circuit!
Do not spray disinfectant directly on the elevator control panel, otherwise it will cause a short circuit of the elevator circuit board and cause damage to the elevator.
When the epidemic was severe last year, there were many incidents across the country that directly sprayed disinfectant on elevator operation panels, causing elevator damage, and some places caused fires.
01
Short circuit of computer board caused by spraying disinfectant directly to the elevator button
02
Jinan City Center for Disease Control and Prevention on the new coronavirus infection of pneumonia elevator cleaning and disinfection methods:
Preparation before 1. disinfection
Before (I) disinfection, stop the elevator and set disinfection warning signs.
(II) preparation of disinfection equipment and articles: chlorine disinfectant (or 75% ethanol);
Containers for preparing disinfectants; clean rags, watering cans, warning signs, mops, etc.
(III) staff: disinfection workers must be trained, master certain knowledge of disinfection personnel.
(IV) personnel protection: wear work clothes, gloves, work shoes, masks, hats, and goggles if necessary.
2. Disinfectant
(I) effective chlorine concentration of 500 mg/L chlorine disinfectant preparation method:
1.84 disinfectant (available chlorine content 5%): diluted according to the ratio of disinfectant to water of 1:100;
2. Disinfection powder (available chlorine content 12% ~ 13%,20 g/bag):1 bag of disinfection powder plus 4.8 liters of water;
3. Chlorine-containing effervescent tablets (effective chlorine content 480mg/tablet ~ 580mg/tablet):1 tablet is dissolved in 1 liter of water.
(II) 75% ethanol disinfectant: direct use.
(III) other disinfectants are formulated and used at concentrations identified on the product label to kill enteric pathogens.
3. disinfection method
Timing and frequency of (I) disinfection
According to the frequency of elevator use and the number of passengers to determine the frequency of disinfection, generally 1 to 2 times a day, in case of pollution or obvious stains at any time disinfection. Disinfection shall be carried out when personnel are less active.
(II) disinfection process
1. During disinfection, stop the elevator on the first floor, only one at a time. A special person will place the warning sign in front of the door. Disinfection personnel will do a good job of individual protection and then disinfect.
2. Surface disinfection of elevator objects
Before disinfection, the elevator should be thoroughly cleaned, and then disinfected. After the disinfection effect reaches the specified time, the disinfectant should be removed with clean water to avoid the residual disinfectant causing harm to the human body.
Object surface: key parts of disinfection: keys, handrails, elevator walls, etc.
Wipe and disinfect: dip a clean cloth with chlorine-containing disinfectant, twist it to semi-dry, and wipe and disinfect. When wiping, first go up and then down, first left and then right, and be careful not to miss any place.
Spraying and wiping: If 75% ethanol is used for disinfection, spray ethanol onto the surface of the object with a watering can, and then wipe and disinfect with a clean cloth.
3. The air is ventilated. Open the elevator door and open the exhaust fan for 30 minutes. If the elevator does not have ventilation conditions, the movable ultraviolet lamp can be used for irradiation and disinfection. If there is no ultraviolet lamp, hydrogen peroxide can be used for space disinfection by atomization or vaporization of instruments, and the instructions of the manufacturer shall be followed. Air disinfection by spraying disinfectant is not recommend.
4. end of work
After the work is completed, restore the normal operation of the elevator, withdraw the warning sign, bring back the tools, and make a record of the cleaning and disinfection of the elevator. The staff shall take off the protective articles, put them into bags and bring them back for disposal. The staff shall carry out hygienic treatment.
Source: The Elevator
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