Decanter Centrifuge technology offers high capacity, low cost and fast solutions in almost all process and industrial areas (over 2500 applications) that can be separated from each other by density difference. This technology achieves this by efficiently separating the solid and liquid phases (solid-liquid or solid-liquid-liquid) found in the processed products.
Decanter Centrifuge consists of a bowl rotating at high rpm in horizontal axis to apply the necessary high centrifugal (G) force to provide solid-liquid separation, a spiral conveyor rotating with the bowl at acertain differential speed, a driving group that provides the necessary force to these rotating parts and the chassis (body) that carries all of these parts mentioned above.
As operating principle, decanter centrifuge uses the method of separation of the product fed into solid-liquid phases by applying high centrifugal force and continouosly gaining of these separated phases from different outlets. The product to be separated is fed into the feeding chamber in the spiral conveyor which rotates at high speed by the feeding pipe. By the effect of the centrifugal force, the product enters into the bowl and forms layers through the bowl inner wall according to their density differences. Heavy phase (solid) settles down through the bowl wall and the settled solid phase is conveyed to the solids outlet at the conical part by the conveyor, while the separated liquid phase is gained through the height adjustable plates at the end of the cylindrical part. Conveying of the solid phase is provided by the differential speed between the bowl and the conveyor.
By the integrated HMI (Human-Machine-Interface) and the PLC (Porgrammable Logic Controller) in HAUS decanters, they can operate at different modes automatically, react automatically against the instantaneous changes in the process and monitor the signals that may occur. Thus, the instantaneous changes in the process can be handled without a need for operator intervention and gaining of product at requested specialties is achieved continuously and without affecting the process flow.
HAUS decanter centrifuges are presented with Constant Speed Drive System, Dual Drive System or Hydraulic Drive System according to the needs of the process.
Constant Speed Drive System:
It is a basic system when compared to the other systems and control options are limited. This system is utilized in processes where the rate of the solids amount is constant in the product fed to the decanter and there is no need to adjust the differential speed instantaneously. By the belt-pulley mechanism that is used, a constant differential speed is maintained.
Dual Drive System: It is utilized in processes where the rate of the solids amount is variable in the product fed to the decanter and there is a constant need to adjust the differential speed instantaneously. The system is supported by the software developed by HAUS, so the adjustment of differential speed is done without a need for operator intervention.
Hydraulic Drive System:
It is a system where a hydraulic power is used to automatically adjust the differential speed instead of a mechanical gear. As it has the ability to provide high torque values, it also provides a solution at situations where electrical equipment is not desired on the machine. HAUS decanter centrifuges performs 3-phase separations of solid and two liquid phases which are immiscible with different densities efficiently as well as 2-phase (solid – liquid) separations processes. Light liquid phase is removed by the level-adjustable tubes and the heavy liquid phase is removed by the level-adjustable plates.