Fully Automatic Rotary Mechanical Decanter with Stainless Steel SS304/SS316L and Rotary Drive System for Wastewater Treatment
Rotary Mechanical Decanter Heavy Duty Stainless Steel Lifting Mechanism SBR Reactor Water Clarifier The rotary mechanical decanter is a heavy duty water clarification unit designed for large SBR reactors that demand high decanting capacity and absolute mechanical reliability. A robust rotary shaft ...
Rotary Mechanical Decanter with lifting mechanism
,Stainless Steel Decanter for wastewater treatment
,SBR Reactor Water Clarifier Decanter
The rotary mechanical decanter is a heavy duty water clarification unit designed for large SBR reactors that demand high decanting capacity and absolute mechanical reliability. A robust rotary shaft and gear drive raise and lower the decanting arm through a full operating arc, driven by a powerful motor that handles even the heaviest sludge loads. Built around a massive stainless steel framework, this decanter delivers the strength and precision required by big municipal plants processing tens of thousands of cubic meters per day.
- Rotary Drive System: Heavy duty gear motor and shaft assembly provide smooth, powerful arm movement across the full decanting arc.
- High Capacity Throughput: Oversized weir and discharge piping handle peak flows without flooding or backup.
- Industrial Grade Build: Thick walled stainless steel beams and machined rotary joints withstand years of continuous service.
- Precise Position Control: Limit switches and encoder feedback stop the arm at exact start and end positions every cycle.
- Minimal Head Loss: Streamlined flow path reduces energy consumption and keeps pumping costs low.
- Easy Service Access: Hinged covers and modular subassemblies allow rapid inspection and parts replacement.
The rotary mechanical decanter pivots around a central shaft mounted on the tank wall. During decanting, the gear motor rotates the shaft, swinging the arm downward until the weir engages the water surface at the programmed level. Effluent flows through the arm into the rotary joint and out through the fixed discharge line. When the level sensor confirms the target is reached, the motor reverses and returns the arm to its parked position above the surface.
| Parameter | Specification |
|---|---|
| Decanting Capacity | 50-800 m³/h |
| Drive Type | Rotary gear motor, 0.75-3 kW |
| Rotation Angle | 0-90 degrees programmable |
| Main Shaft | SS304 machined shaft with bronze bushings |
| Weir Loading | Up to 40 m³/h per meter of weir |
| Control Interface | PLC with HMI, SCADA ready |
| Power Supply | 380V / 50Hz, 3 phase (custom available) |
| Design Life | 20+ years |
- Large municipal SBR wastewater treatment plants
- Industrial park centralized treatment facilities
- High flow water recycling and reuse projects
- Biological nutrient removal reactors
- Emergency overflow and storm water basins
The decanter ships in knockdown form with prealigned subassemblies, torque specs and a detailed erection manual. Factory load testing verifies the drive train before dispatch. We offer on site supervision for first time installations and a comprehensive spare parts program.
When reactor size and flow rates outgrow standard decanters, our rotary mechanical model provides the structural margin and drive power others cannot match. It is the decanter of choice for EPC projects where guaranteed hydraulic performance and 24/7 duty are contractual requirements.
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