This paper presents a method of analysing the strength of the beater forming part of the dust-removal device of a boiler when subject to cyclical striking, of the hammer. The finite element method (FEM) was used for this analysis. First the physical models of the hammer and beater are formulated and then a cycle of computer simulations is carried out, as a result of which it is possible to determine the distribution of dynamic compressive stresses in the beater during the impact phases. The results of the analysis can assist designers of dust-removal devices of boilers.
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