The concept of a lightweight sewage treatment device is particularly relevant for applications where weight is a critical constraint, such as rooftop installations, floating treatment platforms, retrofits in structures with limited load-bearing capacity, or modular systems that require transportation. While primary sedimentation tanks themselves are substantial structures, the internal components can be optimized for weight. Huake's non-metallic sludge scrapers offer a significant advantage here. Fabricated from advanced composite materials, these scrapers are inherently lighter than their traditional steel counterparts. This reduction in weight simplifies handling during installation and reduces the dead load on the tank structure itself. Furthermore, the lightweight nature of the components places less strain on the drive mechanism, potentially allowing for smaller, more energy-efficient motors. For engineers designing a new lightweight treatment system or retrofitting an existing one, specifying Huake's scrapers contributes to the overall weight reduction strategy without compromising strength or durability. In fact, the composites used often have a higher strength-to-weight ratio than steel. This makes Huake's technology an intelligent choice for applications where minimizing weight is a key design objective, while simultaneously providing the well-established benefits of corrosion resistance and minimal maintenance.