2019-10-252022-04-262022-04-262019-09-19GARCIA, Eloisa Angélica Silva. Desenvolvimento de um disco pelotizador em escala laboratorial utilizando controle em malha aberta. 2019. 100 f. Dissertação (Mestrado em Engenharia de Produção) - Universidade Federal de Goiás, Catalão, 2019.http://repositorio.ufcat.edu.br/tede/handle/tede/10123Pelletizing was created with the purpose of using ores with particle size less than 0.15 mm, obtaining the agglomerates by rolling the material in drums or discs. This work aimed to develop an automated ore pelletizing equipment, in laboratory scale, with open loop control of the inclination, the angular velocity of the equipment and the amount of water added to the material, generating a product according to the selected size on the machine panel. All tests were performed for thirty minutes, in batch, with five kilograms of material, using limestone as the test mineral. The raw pellets were characterized in size by bench top vibratory screening assays. Initially, the quantities were manually varied to infer their effect on the dimensions of the generated product. Then the appropriate parameters were selected for the generation of a small, medium and large product, according to the smallest variability obtained in the tests. These parameters were later used in open-loop PLC programming, automatically controlling the inclination, angular velocity, and amount of water fed to the agglomeration parameters according to the size selected by the operator. The final tests were performed with automated equipment confirming the efficiency of open loop control in the generation of the three product sizes, affirmed by the approximation of the d 50 of each test before and after automation.application/pdfAcesso AbertoPelotizaçãoDisco pelotizadorAutomaçãoCalcárioPelletizingDisc pelletizerAutomationLimestoneENGENHARIAS::ENGENHARIA DE PRODUCAODissertação