八角化粪池模具主要是用来处理污水的池子，一般要在上面盖上盖，目的是为了避免异味还有就是避免发生危险，处理污水使用效果较好的是水泥化粪池模具，整个结构包括制作池体的内模和外模和还有位于池体上的进污口和出水口，在化粪池的内部设有将池体分隔开的两块隔板，两块隔板把一个化粪池平分成三段，隔板上设有通孔。池体呈圆筒状，有的也呈现方形，这种水泥化粪池模具相对于普通的池子结构更强，承受压力的能力也更强。
The octagonal septic tank mold is mainly used to treat sewage. Generally, it should be covered on the top to avoid peculiar smell and danger. The cement septic tank mold has a better effect on sewage treatment. The whole structure includes the internal and external mold of the tank body and the inlet and outlet on the tank body. The tank body is divided into two parts inside the septic tank There are two separators, two separators divide a septic tank into three sections, and the separators are provided with through holes. The tank body is cylindrical, some are also square, this kind of cement septic tank mold is stronger than the ordinary tank structure, and the ability of bearing pressure is stronger.