Cleaning Ventilation Systems From Dust

Dust is small solid particles of organic or mineral origin that float in the air or accumulate on the surface of something. Dust is found everywhere except large open water spaces. Dust appears from particles of decaying materials of furniture, walls and household items. Dust is also carried in from the street by air currents, people and pets. What is the danger of dust?

Why is dust dangerous?

When inhaled, dust settles in the lung tissue and causes mechanical damage. As a result, the likelihood of developing chronic diseases increases - bronchitis, pulmonary emphysema, etc. In addition, harmful chemicals are often spread with dust, resulting in chronic poisoning of a person.

A significant part of dust is made up of dust mites (saprophytes), their remains and waste products. They feed on particles of the epidermis (the upper layer of human skin) and can cause an allergic reaction or asthma, so they are dangerous companions of a person in the home. Also, viruses and particles can be present in dust, causing allergic reactions in some people. In this case, it can be difficult to determine which allergen caused the disease.

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The process of cleaning ventilation systems

To clean the ventilation ducts, the network is divided into sections either by closing the control valves or by installing barrier cylinders. To access the interior of the ventilation network, sealed inspection doors are installed at both ends of the section to be cleaned. The size of the inspection doors is determined in accordance with their purpose and the cross-section of the air duct to be cleaned. On one side of the section, a filter and ventilation unit is connected to the opening of the inspection door, creating negative pressure in the air duct, and on the other, a cleaning machine is introduced.

The capacity and quantity of filter and ventilation units are selected so that the speed of air removed from the cleaned area is at least 10 meters per second. With the help of the brushes of the cleaning machine, dust particles are torn off the surface of the air ducts and are transferred by the air flow to the dust collector of the filter and ventilation unit.

In addition to cleaning the ventilation system from dust, it should also be cleaned from grease deposits.