Improved Design Skirt Board and Analysis to Reduce Build Up Dust: Case Study at Rembang Power Plant

The problem related to coal transportation is the dust generated that flies in the environment which has the potential to endanger the health of employees and also the surrounding equipment. Transfer chute becomes a focusing area whereas coal collides on the chute wall and next conveyor which causes dust to form. Performing a simulation, using tool CFD Analysis, of coal flow analysis and air velocity flow on the skirt board so that an analysis of the formation of coal dust can be calculated, both of existing design and modified design. Improvement design by change the geometry in the length and height of the skirt board, then simulated CFD using parameter's simulation according to the existing design. The results of the simulation analysis show that the material flow velocity in the existing design is 9.75 m/s, the dust formed is calculated at 39.81 ton $s$/$h$o $u$r. While the simulation on the new design obtained a material flow velocity of 5.88 m/s, dust formed 11.24 ton $s$/$h$our. Dust reduction of the existing skirt board design compared to the new design by 72%.