Ventilation Exhaust Local

Local exhaust ventilation: an effective way to combat indoor air pollution

Ventilation is an important element of comfortable and safe indoor living. It allows you to provide fresh air, maintain optimal temperature and humidity indoors, and also remove pollutants and harmful substances from the air.

One of the most effective ways to combat air pollution is local exhaust ventilation. This system works on the principle of sucking air from those areas of the room where it is predominantly polluted, that is, close to the sources of harmful substances.

Local exhaust ventilation can be used in various premises, including production halls, workshops, kitchens, sanitary facilities and others. It is especially effective in cases where the air is polluted with certain substances, such as smoke, gases, vapors, odors, etc.

The operating principle of local exhaust ventilation is that special exhaust devices - hoods - are installed at the sites of pollution sources. They suck out polluted air and send it for purification or take it outside. Fans installed in the system create a vacuum inside the room, which accelerates the movement of air to the exhaust devices.

One of the advantages of local exhaust ventilation is its high efficiency in combating specific sources of air pollution. It allows you to reduce the concentration of harmful substances in the air to safe levels, which is especially important for industrial premises where workers may be exposed to hazardous substances.

In addition, local exhaust ventilation is a more cost-effective solution than general ventilation, since it consumes less energy and provides more precise adjustment of the system.

Despite all the advantages, local exhaust ventilation also has its disadvantages. It is not able to provide a complete exchange of air in the room, which can lead to overheating or hypothermia, as well as a decrease in oxygen levels. Therefore, before installing such a system, it is necessary to carry out a thorough calculation and select the most optimal solution for a particular room.

In general, local exhaust ventilation is an effective and cost-effective solution for combating indoor air pollution. It allows you to quickly and accurately remove harmful substances from the air, which ensures the safety and comfort of people in the room. However, before installing such a system, it is necessary to carefully assess the nature of air pollution and select the optimal solution for a particular room.

The main task of exhaust ventilation is to ensure the necessary air flow, remove contaminated air from the room and ensure an influx of clean air to replace the removed air. It should be taken into account that the placement of supply and exhaust grilles should be based on data on the heat release in the room and the amount of air removed. The choice of ventilation type depends largely on the characteristics of the room and its heat output, as well as the altitude above sea level. If the temperature of the lower part of the room at a level of 2.5 m does not exceed 7 ° C, then the outer part of the building can be equipped with corner exhaust systems. They are well suited for ventilation of rooms with high heat capacity. Also