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从“系统内部”抗击新冠病毒:浅谈中央空调的消毒 -爱游戏app官方

2020-3-12 4,266
as the return to work day approaches, are you worried about the air disinfection of central air-conditioning systems in offices, hospitals, schools and public places?



if you are now asked to imagine your workplace, then the picture that comes to your mind certainly does not include the central air conditioning system. this is because the design of the central air-conditioning system is a concealed project for the aesthetics of the overall environment. but in fact, central air conditioning has become an important part of almost every workplace, and its infrastructure covers the entire building, which is like the veins and arteries of the human body. unfortunately, it is precisely because central air-conditioning systems can connect many spaces and accelerate air circulation that they become a high-risk factor during outbreaks of viruses such as coronavirus.

therefore, if you want to thoroughly disinfect the workplace so that it can operate safely, then you must pay attention to the disinfection of central air conditioning. just like cleaning visible surfaces such as the floor, tables, chairs, and door handles, you also need to disinfect and clean hidden places, such as the inside of air ducts, and these occur in places that we may not be able to easily trigger.


what is the most common misunderstanding of people about central air conditioning disinfection?

the biggest misunderstanding is that people think that disinfecting the central air conditioner is cleaning the filter. but in fact, disinfecting filters is just the tip of the iceberg. a filter is just a terminal, and behind each filter is a huge system that can continue to spread viruses and breed bacteria. this must be taken seriously. to fight against the new coronavirus, you need to clean the inside of the central air-conditioning system’s ducts, fan coils and air handling units to achieve thorough disinfection in the true sense.


is it necessary to turn off the central air conditioning to avoid the spread of the new coronavirus?

we know that some workplaces are taking such measures, but this does not solve the fundamental problem. turning off the central air conditioner only reduces the speed of the virus to some extent, but it may still exist. this will undoubtedly put everyone in possible danger. people working in such an environment will feel nervous and work efficiency will be reduced. in addition to the risk of infection, white-collar workers who are used to working in a constant temperature environment are also likely to suffer from cold, causing unnecessary confusion and panic .
moreover, the way to turn off can only be a slow strategy. as the temperature gradually warms up, it is always necessary to turn on the central air conditioner to adjust the indoor air.

how to disinfect the central air conditioner best?

it is well known that hvac cleaning services not only need to hire a professional company for cleaning, but also must maintain a certain frequency to achieve the effect. during the epidemic, the frequency of cleaning may rise from once a month to once a week. then came expensive bills. moreover, such cleaning is not permanent.
so is there an economical and long-lasting disinfection method for central air conditioning?
of course there is!
ultraviolet air sterilizer, the air mixing box, heat exchanger, drip tray, filter, heat exchange plate surface, and air outlet installed in the air duct system can perform dynamic disinfection of the air flow in the air duct by simple installation .
it can not only ensure continuous and real-time disinfection, but also minimize the number of manual cleanings.
in this case, the plug-in ultraviolet air sterilizer is undoubtedly the most cost-effective central air-conditioning sterilization equipment.

how can ultraviolet light disinfect the central air conditioner?

more than 100 years ago, people began to use ultraviolet light for disinfection. ultraviolet rays are known in nature and have the most extensive disinfection and sterilization capabilities.

ultraviolet disinfection is the use of ultraviolet rays of the appropriate wavelength to destroy the molecular structure of dna (deoxyribonucleic acid) or rna (ribonucleic acid) in the cells of microorganisms, causing growth cell death and/or regenerative cell death to achieve sterilization. effect. ultraviolet disinfection technology is based on modern epidemic prevention, medicine, and photodynamics. it uses specially designed high-efficiency, high-intensity and long-life uvc band ultraviolet light to irradiate flowing water to remove various bacteria, viruses, parasites, algae and other pathogens are killed directly.


the mechanism of ultraviolet disinfection determines the advantages of ultraviolet disinfection:

1、instantaneous sterilization, whether it is bacteria, viruses, molds can be instantly eliminated
2、no pollution, no secondary pollutants
3、no peculiar smell, no pungent smell compared with chemicals, and no resistance to microorganisms
4、process maintenance cost is extremely low, after installation, almost no manpower maintenance
5、the operating cost is low, only electricity consumption is required, and regular uv lamp replacement is enough.


in the long run, what impact will the coronavirus crisis have on workplace hygiene management?

currently, due to the outbreak of the crisis, companies are striving to meet the requirements of the newly issued health regulations. but even after the crisis is over, many regulations are still in effect. therefore, disinfection of hvac is not just to survive this month’s crisis, but to make it a key component of corporate hygiene and environmental strategies.

in china, everyone has deeply felt the impact of this crisis. employees and customers will also have more new expectations for disinfection and hygiene. even after the crisis, these expectations will still exist. since the outbreak of the crisis, people have been constantly educating themselves about viruses, particles, masks and filtration. as people learn more, they will have more expectations of the existing environment and focus on practical changes. to

the new world has new rules. if after the epidemic, your personal health and hygiene, and the company’s overall attention and improvement to the office environment, this is undoubtedly a good thing.




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