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EXPERIMENTAL MEASUREMENTS OF DUST CONCENTRATIONS AT COMPOUND FEED PRODUCTION INSTALLATIONS FOR BROILER IN ORDER TO COMPLY THE RULES OF ENVIRONMENTAL PROTECTION
Abstract
One of the main objectives, which must be achieved in the compound feed production process, is the alignment to the imposed regulations by European Union regarding quality, safety and environment protection. In order to reach this goal, the compound feed factories need to be equipped with high-performance installations, which be endowed with special filters that can retain particles released by cooling systems for granulated finite product, with a high degree of automation and computerization, which allows permanent updating of the working parameters to meeting the protection norms for both the hired personnel and the environment. In this paper it is presented the experimental research carried out in the final stage of the combined fodder production process, when the cooling of the granules that are to be packaged with the help of the air jet produces the detachment of small particles forming fine powders which are released in the atmosphere. That is why the dust eliminated by the cooling systems must be monitored permanently so that dust concentrations can be maintained between limits allowed by the European legislation. The direct measurements have been conducted at a compound feed factory that produces different sorts of nourishment for Broiler chickens. The dust concentration levels obtained after the conducted measurements indicated the good functioning of the working installations and of the filters, with keeping within the limits of environmental protection imposed by the European Union norms in force.
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