Vortex Assists Sanitation Efforts at a Waste-to-Energy Facility Application & Solution In 2007, a county sanitation district approached Vortex to discuss a process need in their waste-to-energy power plant. Previously, the plant used manually actuated, rack and pinion-style slide gates to isolate a hopper, filled with incinerator bottom ash and fly ash, from a drag chain conveyor. When the gate is opened, hot ashes discharge into the drag chain conveyor below. As the hot ashes convey, they cool before being evacuated from the process. Of the pre-existing slide gates, the plant had two primary complaints: Because there is moisture present in the system, and because the pre- existing gates were constructed of mild steel, oxidation and corrosion were causing severe actuation issues. A sledge

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