Influence of position of an anvil beam on vibrations of collecting electrodes.
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The paper presents experimentally verified computational model of the collecting electrodes in electrostatic precipitator (ESP). Discretisation of the whole system, both the beams and the electrodes, is carried out by means of the modified rigid finite element method (RFEM). The RFEM allows easy to reflect mass and geometrical features of the considered. Moreover, the method is convenient for the introduction of additional concentrated masses which reflects elements such as the joints that fasten the electrodes to the suspension beam, distance-marking bushes, riveted or screw joints, etc... The system of nine electrodes 16 m long and several various positions of an anvil beam in this system are analyzed. Position of the anvil beam in the system has essential influence on tangent and normal accelerations at different points of the plates, and thus on the effectiveness of the dust removal process. The aim of the simulations is to find optimal position of an anvil beam, which guaranties the maximum amplitudes of vibrations and their proper distribution in the plates.
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