PRESS OPTIMIZATION BY ENERGY CRITERION OF PRODUCTION OF FUEL QUALITY BRIQUETTES
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Keywords:
polyethylene waste, wood waste, fuel briquettes, biofuel, solid multicomponent composition, pressing.Abstract
The work optimized pressing according to the energy criterion in the production of fuel briquettes of high quality. It is shown that this is a complex task for the most part multi-criteria, which is difficult to reduce to single-criteria. A compromise problem has been solved taking into account many restrictions and requirements. The optimization of the pressing process should be carried out according to the criteria: minimum energy intensity and maximum density of granules to ensure low brittleness. In solving this optimization problem, the technological features of this process were used. A solution was found by reducing the two-criteria problem to a single-criterion according to the criterion of energy costs. It was found that such a task is usually complicated by the fuzzy nature of the acting factors, and classical optimization methods are often powerless. The more complex the system, the less likely it is to find a strictly optimal solution for it. The decision-making method was applied. It should be noted that the modern theory of decision making has a large toolkit in the form of a developed mathematical apparatus and modern computational algorithms. Heuristic techniques, including experience and intuition, human abilities for associations and much more that lie beyond mathematics, play a large, and sometimes decisive, role in this theory.
A model of the technological process with an effective sequence of technological operations and the parameters of the optimal component composition are shown. The main factors that have a significant impact on the creation of the structural composition of solid multicomponent fuel are reflected.
It is proved that pressing is one of the energy-intensive and makes it possible to preserve the homogeneity of the mixture during transportation, to limit the effect of moisture from the air on the components of the mixture.
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