Diseño y cálculo de una máquina para producir briquetas de urea.

Abstract

This thesis was developed with the main objective to manufacture briquettes to improve the Urea application and to fill the necessity that the rice crops has. Nowadays, the Urea is spread over the rice plantations; this process causes a huge waste. Therefore the application of briquettes in this soils of rice crops is proposed. This will reduce the big amount of waste, so in this way, its consumption will be reduce. The briquettes will be manufactured by a briquette machine, that is the main objective of this thesis and it is detailed as continues. In order to start designing, first I searched for all the theoretical knowledge of the briquettes machine, then the materials that are going to be use into the briquettes and finally the main parameters to be used for starting design this machine. Then, I made the machine's design and each one of its components like: structure, alveolus cylinders, the feeding's hopper, etc; once designed the machine's shape, I proceed with the calculation of components such as: the straight teeth Gear, the alveolus cylinders, the cylinders shaft, etc. Also, with the calculations results, I proceed with the accessories selection; like the driving pulley, speed reducer pulley, V bands, bearings case, electrical motor, etc. These selections were carried out based on tables, mechanical pieces catalogues and the mine own experience, obtaining a final result. Then the blue print of the machine and the parts for its construction. Also, a construction program was developed. In this program I included a process work plan and a GANTT plan. Then according the cost, I made an estimated budget for the machine's construction. Considering, special attention for all accessories and materials that are available in the local market. Finally, I approach conclusions and recommendations about this work.