29. Introduction of Micro - ventilated Windows
The World Health Organization has defined the manifestations of "sick building syndrome" as follows:
1. There are irritant symptoms in the eyes, especially the cornea, nasal mucosa and laryngeal mucosa.
2. The mucous membranes such as the lips are dry.
3. The skin often has erythema, urticaria, eczema, etc.
4. Fatigue easily occurs.
5. Headache and respiratory tract infection symptoms are easily caused.
6. There is often a feeling of chest tightness and suffocation.
7. Allergies of unknown causes often occur.
8. There are often sensations such as dizziness, nausea, and vomiting.
It is stipulated in the "Indoor Air Quality Standard of China" that each person breathes 30 cubic meters of fresh air per hour.
Features of the micro - ventilation device:
Its main purpose is to enable the indoor air to be well circulated. It can not only ensure the demand for fresh air when there is no one in the room or when there are staying people (such as children and the elderly), but also avoid the danger of children falling out of the window accidentally. Moreover, it also has the function of security and anti - theft.
Applicable occasions:
High - rise buildings, kindergartens, hospitals and other public places.
Parameter description:
The safe opening distance of the inward - opening micro - ventilation window is about 30 mm. It is easy to install and operate, and can be applied to casement windows with standard European grooves.
