ADVANTAGES OF ROUND AND RECTANGULAR DUCTS FOR YOUR HEALTHJune 28, 2022
Air ducts are pipes through which clean air from the street enters the room, and the exhaust is removed. In fact, they are the main element of the ventilation system.
They are usually made from galvanized steel. As for the shape, the air ducts can be round or rectangular. It’s hard to say which one is better. After all, each option has its own advantages and disadvantages. Also learn more about duct vent cleaning.
FEATURES OF USING ROUND DUCTS
- Round air – waters are produced by folding a sheet of metal into a pipe or by spiral winding. The edges are connected in a nipple way, obtaining a complete tightness of the structure. Air loss in it is minimal.
- The round shape is optimal for the movement of the air flow and gives low turbulence. In them, the air does not encounter obstacles, does not create turbulence, and therefore there will be no strong noise.
- Installation, transportation and maintenance of round ducts is very simple. They are lightweight and easy to work with.
- For the production of round ducts, a minimum of materials is required, therefore, as a result, it turns out that their cost can be lower than analogues with a rectangular section.
- So that round air ducts do not spoil the appearance of the premises, they are hidden behind false ceilings.
FEATURES OF USING RECTANGULAR SECTION AIR DUCTS
- To make a rectangular air duct , a sheet of steel is bent, fulfilling the given proportions of the sides, and the edges are connected. They can have a different cross-sectional area and are most often made to order, taking into account the size of the room and the required volumes of air passing through them.
- Air, passing through such an air duct, enters the corners and creates turbulence. This results in a specific noise. It is he who is the main reason that air ducts of this form are most often installed in industrial enterprises, warehouses and shops, preferring round ones when it comes to a ventilation system for residential buildings.
- Due to the shape, such air ducts are easily integrated into the interior of the room, tightly adjoining the walls and ceiling. Sometimes they are hidden behind false ceilings, and sometimes they are left open to further emphasize the features of such styles as: “hi-tech” or “industrial”.
Which form to choose in one case or another will depend on many parameters, for example, on the size of the room, the format of its interior decoration and functional purpose. To choose the best option, you should consult with a specialist.
WHY DO YOU NEED TO CLEAN THE VENTILATION SYSTEM?
Air ducts are the main way to bring clean air into the room. Together with air, dust, debris, cobwebs, and grease settle on the internal surfaces of the equipment. In food production, grease sticks most quickly in air ducts; in office premises, equipment is often clogged with dust and small debris.
Regardless of the frequency of cleaning the room, small debris and dust will enter the ventilation. It is impossible to stop the process of ventilation pollution, but a number of actions can be taken to maintain the working condition of the system and a safe microclimate in the room.
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WHY IS DIRTY VENTILATION DANGEROUS?
Firstly, fat and dust deposits in ventilation constitute a breeding ground for the development of pathogenic microorganisms: saprophytes, fungi, mites. Office workers have an increased risk of developing allergic reactions and chronic diseases.
Particular attention should be paid to the state of ventilation in hospitals and children’s institutions. Bacteria and fungi in the air ducts spread very quickly throughout all premises, which can provoke ARVI, acute respiratory infections among the staff and visitors of the organization. Secondly, the accumulation of dust, cobwebs and grease at times increases the risk of fires. The air easily spreads the flame, which in a short time covers all the rooms connected by the ventilation system.
HOW TO AVOID DIRT VENTILATION?
Of particular danger is dust, which, upon contact with fat, can easily detonate. Especially often fires in ventilation occur in cafes and restaurants. Thirdly, the dirt in the ventilation prevents the free circulation of air. Pollution of the ventilation system several times reduces the productivity of the equipment, which is stated in the project documentation.
To increase power, it is necessary to operate the equipment at the limit of its capabilities, which, in turn, leads to rapid wear of the system elements and frequent breakdowns. Also, at maximum loads on the equipment, electricity consumption increases. With frequent breakdowns, first of all, you should pay attention to the frequency andventilation cleaning quality . It is preventive cleaning that prevents sudden breakdowns of even the most complex equipment.