Center Drive Single-Tube Suction Machine
Up to 50% Energy Saving | Negative Static Pressure Suction | Center Drive Single-Tube Suction Machine | Secondary Clarifier Activated Sludge & Scum Removal
Product Overview
The Center Drive Single-Tube Suction Machine is highly efficient sludge collection and separation equipment specifically designed for secondary clarifiers in wastewater treatment plants. This advanced system features core components including working bridge, center vertical frame, rotating cage, scraping frame, mud collection cylinder, suction pipe, skimming mechanism, and transmission mechanism.
Operating Principle
The center drive unit rotates the scraping and suction frames slowly inside the pool via the vertical frame. Utilizing negative pressure generated by water level differences, the suction holes on the single tube use static water pressure to draw activated sludge into the collection cylinder for discharge. A scraper on the opposite side gathers inert sludge into a central pit, while surface skimming collects floating scum for comprehensive mud-water separation.
Technical Specifications
| Key Parameter |
Specifications & Technical Details |
| Ref. Pool Diameter (D) |
12m |
| Pool Edge Depth (h) |
4m |
| Peripheral Speed (V) |
1 - 3 m/min |
| Motor Power (N) |
0.25 KW |
| Protection Class |
IP55 |
| Insulation Class |
Class F |
| Operating System |
24-hour continuous or intermittent operation |
Note: The above parameters are references for a D=12m specification. Actual dimensions are customized according to the civil engineering requirements of the sedimentation tank.
Key Features & Benefits
- Highly Energy-Efficient (Saves 40-50% Power): Utilizes negative pressure of static water to suction mud, drastically reducing mechanical lifting energy consumption. Compared to similar domestic equipment, saves 40-50% electricity (12m diameter pool requires only 0.25KW motor).
- Negative Static Pressure Suction Yields High Sludge Concentration: Single-tube suction uses water level difference (negative pressure and static water pressure) to draw sludge, ensuring steady collection with large processing capacity and very high sludge concentration.
- Multiple Safety Protection Mechanisms: Robust electrical and mechanical designs with torque overload protection and overload alarm. Automatically protects against severe underwater obstructions, ensuring safe 24-hour continuous operation.
- Three-Dimensional Cleaning with Small Footprint: Processes activated sludge (via suction) and inert sludge (via scraping) simultaneously, plus surface skimming for scum collection. Compact structure provides massive processing capacity with minimal space requirements.
Frequently Asked Questions
How does this machine suck up mud from the bottom? Does it need a massive, high-power pump?
It does not need a high-power pump. The equipment operates on negative pressure principle and static water pressure. Due to water level differences between the pool and discharge trough, natural water pressure automatically pushes activated sludge through suction holes into the collection cylinder, making it incredibly energy-efficient.
What happens to heavier, "inert" sludge at the bottom that cannot be sucked up?
The design perfectly accounts for this. On the opposite side of the suction arm, a dedicated scraping arm with scraper blades gradually pushes inert sludge into a central mud collection pit at the pool bottom, from where it is discharged separately, ensuring thorough tank cleaning.
If the machine gets stuck during 24-hour continuous operation, will the motor burn out?
No. The equipment includes standard torque overload protection and overload alarm system. Whether running continuously or intermittently without supervision, the protection system immediately intervenes if resistance exceeds safe limits, guaranteeing equipment safety and reliability.
