A municipal sewage treatment upgrade involves modernizing an existing facility to improve its treatment capacity, efficiency, reliability, or to meet more stringent effluent standards. These projects often include retrofitting older units with new technology. A common focus is the primary sedimentation stage, where outdated and corroded mechanical equipment can be a significant source of operational problems. Upgrading this component can yield immediate improvements in plant performance. Huake's non-metallic sludge scrapers are an ideal solution for such upgrade projects. They are designed for compatibility with existing tank structures, offering a drop-in replacement for failing metal scrapers. The benefits are transformative: the new scrapers are immune to the corrosion that plagued the old system, instantly eliminating a major maintenance headache. The upgrade results in restored hydraulic efficiency, consistent solids removal, and reduced load on downstream processes. For a municipality, this translates into enhanced treatment capacity without expanding the tank footprint, guaranteed compliance, and dramatically lower long-term maintenance costs. The investment in Huake's technology is not merely an equipment replacement; it is a strategic upgrade that modernizes the heart of the primary treatment process, extending the life of the entire facility and optimizing its operational expenditure for decades to come.