Types of ventilation pollution

Ventilation is a place of increased accumulation of particles of various types of dirt. Here are the main ones: Construction pollution. Arise due to errors of builders during the installation of channels. As a result, particles of dust, paint, cement, and even debris are in the ventilation.

Deposits of dirt and dust. From the ambient air, microparticles of soot, dust, dirt and other substances get on the walls of the air ducts. bacterial contamination. Appear within existing deposits of other types. When dirt occurs inside it, fungi, mold, viruses, bacteria, dust mites and cockroaches quickly multiply.

Fat deposits. They appear most actively in the ventilation ducts of catering establishments, although there are enough of them in other types of buildings. This is also an excellent breeding ground for various pathogens.

Neither high-rise and private houses nor industrial buildings are immune from all this dirt.
Why is ventilation needed?
Reasons for the need for ventilation.

The main task of ventilation is to maintain clean air in residential premises. It must be maintained in good condition and for hygienic reasons. With poorly functioning ventilation, not only the condition of the apartment worsens but also the health of the people living in it. The exhaust air leaving the ventilation takes with it dust particles, various harmful microorganisms, and unwanted substances contained in the room. Thanks to normal ventilation, it is possible to regulate heat and humidity in the house - with timely ventilation, the excess of them goes away, preventing the occurrence of mold and rot.

With timely cleaning of ventilation, the ventilation process is regular, which is correct in terms of sanitation. With additional equipment with different types of fans, cleaning can be done less frequently, but this does not eliminate the need to regularly clean the ventilation system as a whole.

Causes of unsatisfactory operation of the air exchange system
Cleaning the ventilation in an apartment building does not always change the situation. So the first step is to identify the source of the problem. There are a number of main reasons:

Plastic double-glazed windows or new sealed doors. Ventilation of an apartment building occurs due to the difference in temperature and pressure inside and outside the premises. Old wooden windows and doors let in a lot of fresh air. Due to this, the room is ventilated. New double-glazed windows and doors hermetically clog the room, disrupting the natural course of air exchange. A micro-ventilation system installed on plastic windows can correct the situation.

Blockage of ventilation ducts. In an apartment building, the ventilation system consists of main and adjacent branches. The main channel is clogged due to the partial collapse of the masonry or the ingress of large debris.

Adjacent branches that open into the apartment reduce the air throughput due to dirt and soot accumulated on the walls, an old grate or a collapsed piece of plaster. Connecting a powerful hood. If a neighbor brought a chiseled forced hood into the main ventilation duct, then the balance is disturbed in other apartments, the air movement almost completely stops.

Deterioration of air mass movement in summer. Associated with a small temperature difference between the residential area and the street. Installing an air conditioner or exhaust fan will help.

Design or construction errors. There are times when neither cleaning nor forced ventilation will help. The reason is a violation of the structure of the ventilation duct.

An example of frostbite in a ventilation duct as a source of a problem

There are several ways to independently determine the performance of the ventilation system:
You need to open a window or a door. Then bring a candle or lighter to the ventilation grill. The working system will create a stream of air that sucks the flame into the channel. Gas experts do not recommend this method. If gas leaks from one apartment, it can accumulate throughout the ventilation riser. Fire will cause fire and explosion.

The same method with an open window. Instead of fire, a piece of paper.

Remember, in the summer it is possible to stop air circulation due to a small temperature difference between inside and outside the room. In other cases, this indicates a clogged channel. You should start cleaning it up.

Disinfection of systems

If you approach the issue thoroughly, then after cleaning, disinfection of ventilation and air conditioning systems must necessarily follow. But in practice, the situation is somewhat different. At industrial enterprises in the food industry, as well as those working in the field of public catering, such a procedure is carried out without fail. In other industries, decontamination is performed as needed.

As for private houses, their owners rarely carry out disinfection, since they are little aware of the need for this procedure. Although most homeowners understand that the du

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