What types of spiral stacking machines are there?

The spiral stacking sludge dewatering machine extracts sludge by itself, directly treats the aerobic sludge in the hydrolysis acidification tank, does not need centralized storage modules, and reduces the wastewater treatment equipment's overall space and construction cost. The spiral is the main component of the equipment. It often plays a role in the inner side of the drum transporting sediment and the sediment is discharged roundly. It is not only a material discharge device but also determines the production capacity, service life, and separation effect. Let's take a look at the types of spiral stacking sludge dewatering machines:

The types of spirals are divided into backflow and downstream, depending on the relative speed of the liquid and the solid in the drum.

The downstream spiral structure centrifuge is particularly suitable for materials with low solid and liquid density, weak precipitation characteristics, and low solid content. When the leachate enters the slag pipe through the liquid, the unseparated solid particles will be separated and accumulated in the liquid skimming pipe, which may block the safe passage of the pipeline and need to be cleaned regularly.

The central backflow cutting spiral cavity also falls near the boundary between the wet area and the sedimentation area to ensure that the effective liquid phase has sufficient accumulation distance but only stays in the solid cone part for a certain period, so the centrifugal force is relatively high; the material from here to this area may cause the sedimentation of solid particles, and because of the vibration, it will float again in the drum, which will cause additional seepage and vortex, reducing the separation effect.

Because the expansion and cleaning can reduce the amount of coagulant, the fluidity of the liquid has a significant improvement, and the centrifugal force increases the diameter of the drum, which can significantly reduce the speed, save energy, reduce noise, and extend the service life of the spiral sludge dewatering machine.

The high-concurrency suction channel on the drum end prevents the seepage of the backflow and ensures sedimentation without vibration. The suction length plays a sedimentation effect, expands the sedimentation area, and increases the suspension system during the equipment time, thereby improving the separation effect.