Abstract
The dry ice cleaning was applied to the charged cleaning of the insulators in the power distribution room. On the basis of the system parameters optimization experiments of the insulator dry ice cleaning, setting the air pressure to 0.6 MPa and the dry ice flow rate to 2.5 kg/min, the process parameters optimization experiments of the insulator dry ice cleaning were carried out, and the optimal cleaning process parameters of the insulator were obtained through experiments. Using multi-physics simulation software Comsol to analyze the force distribution of external surface of the insulator when spraying dry ice at different distances and different angles in the dry ice cleaning, the experiment results were verified and the following conclusions were obtained: the cleaning angle and cleaning distance of the nozzle are affecting dry ice cleaning effect. The main process factors of the cleaning effect are most effective when the nozzle cleaning angle is from 15° to 25° and the cleaning distance is from 18 cm to 24 cm.
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