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Ventilation Equipment: How to Improve Indoor Ventilation?
Release time:
2021-05-05
How to improve indoor ventilation? A reasonable suggestion is to install mechanical ventilation equipment. Through this, we can ventilate without opening windows, allowing fresh outside air to continuously enter the room and continuously expelling the original polluted air, preventing excessively high carbon dioxide levels indoors. Ventilation equipment also has multi-layer filters that can effectively filter pollutants such as dust, pollen, viruses, exhaust gases, and smoke from the outside air, ensuring clean indoor air.
Studies have shown that under normal circumstances, indoor air pollution is generally 5-10 times higher than outdoor air pollution, and 68% of people's illnesses are related to indoor air pollution. When it comes to indoor pollution, many people may first think of indoor decoration pollution. In fact, a major factor affecting indoor air quality is poor ventilation.Ventilation equipmentis therefore self-evident.
According to a survey by the American Occupational Safety and Health Institute, among the major factors that may affect human health, poor ventilation accounts for 48%, indoor air pollution accounts for 18%, and building components account for 3.5%. Some indoor air pollution is caused by pollutants emitted from building decoration materials and furniture, as well as pollutants emitted from human activities, the human body, and smoking.
Carbon dioxide content is an important indicator for measuring indoor air quality, and a serious consequence of poor ventilation is excessively high carbon dioxide concentration.
Generally, the carbon dioxide content is about 0.03%-0.04%. When the indoor carbon dioxide content is between 0.1%-0.15%, people will feel uncomfortable; when the content reaches 4.0%, people will feel dizzy, headache, tinnitus, dizziness, and high blood pressure; when the content reaches 30%, people will suffocate and die. A person exhales 22 liters of carbon dioxide per hour under normal circumstances, and 80 liters of carbon dioxide per hour during strenuous physical activity. If the indoor ventilation is poor, the carbon dioxide exhaled by the human body will accumulate in large quantities indoors, thus affecting human health.
In addition, poor ventilation will prevent indoor pollutants such as formaldehyde and TVOC from being effectively discharged from the indoor environment, causing them to accumulate indoors, resulting in a very poor living environment for everyone. Maintaining smooth indoor ventilation allows fresh outdoor air to Enter the indoor environment and dilute indoor pollutants. Ventilation equipment can effectively bring in fresh air and purify the air.
Some people may ask, without usingVentilation equipmentwindows without convection, is ventilation possible?
For better ventilation, convection must be created when opening windows. Open two ventilation openings that are far apart in the room to allow air to Enter and exit. When air passes through the entire room, the ventilation effect is good.
For example, when we buy a house, we pay attention to the north-south permeability, because when the wind passes through the room unimpeded, the indoor ventilation is fast and smooth, and indoor pollutants and polluted air can be quickly removed, keeping the home's air quality better.
If only one side of the window is opened without convection, the ventilation effect will be greatly reduced. Carbon dioxide produced by people's indoor activities and breathing, cooking fumes, and other pollutants cannot be discharged in time and continuously accumulate indoors. Various bacteria, viruses, and microorganisms easily breed and multiply, making the indoor environment very poor. When people live in such an environment, their health will naturally be adversely affected.
How to improve indoor ventilation in this case? A reasonable suggestion is to install mechanical ventilation equipment. Through this equipment, we can ventilate without opening windows, allowing fresh outside air to continuously Enter the indoor environment and continuously discharging the original indoor polluted air, avoiding excessively high indoor carbon dioxide content.Ventilation equipmentIn addition, multi-layer filters can effectively filter dust, pollen, viruses, exhaust gases, and smoke from the outside air, ensuring the cleanliness and hygiene of the indoor air.
Key words:
Ventilation equipment
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