Determination of the Volume of Air Entering Through Leaks into Aspiration Shelters

In various industries, technological processes often occur, characterized by the release of dust into the working area. To maintain the required air parameters in terms of dust content in industrial premises, it is necessary to use a set of systems, including an aspiration system, a centralized vacuum dust removal system and general ventilation. The efficiency and performance of the above systems are interrelated, but the aspiration system is decisive. The aspiration shelter, which is the most important element of the aspiration system, localizes the source of dust emission. Seals are used to prevent the entry of dust from the aspiration shelter into the area of the working area, as well as to minimize the volume of air removed. In this work, analytical studies of methods for determining the suction and the amount of air entering the aspiration shelters through leaks were carried out, 3 characteristic approaches were proposed to determine the magnitude of the suction, based on the degree of tightness of the aspiration systems.