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In order to determine the impact on the working environment and the effects of pollutants on human operators, numerous measurements were made using an experimental stand in a forge, machine building, equipped with heating furnaces, treatment furnaces, mechanical presses, oxyacetylene flame cutting equipment and mechanical saws. The paper presents the equation of technological material balance with inputs and outputs corresponding to the process of hot forging of different semi-finished products and the main pollut...

The paper presents the need for the purification of polluted air from the highly polluting processing technology of an industrial shop. (paint shops, foundries, welding constructions, forging, etc.). The advantages of using ultrasounds in the pollutant air filtration and purification process and an ultrasonic filter designed are presented. The main computational and construction elements of the ultraacoustic system used in the design of the air filter are presented in the paper. Paper insists in the design of the ...