Hydraulic Velocity Control Sedimentation Tank With Integrated Separation And Thickening
Marchio:
Lanjiang
Numero di modello:
Serie di CD
Luogo di origine:
Cina
MOQ:
1
Termini di pagamento:
T/T
Dettagli del prodotto
Evidenziare:
Hydraulic Velocity Control Sedimentation Tank
,Sedimentation Tank With Separation
,Wastewater Discharge Sedimentation Tank
Surface Loading Rate:
Portata di punta ≤20m³/m²h
Coagulation HRT:
2 minuti ~ 5 minuti
Flocculation HRT:
5 minuti ~ 10 minuti
Inclined Tube Angle:
Angolo ottimale 60°
Tube Diameter & Slant Length:
Diametro 25~35 mm; Lunghezza 1,0 m
Mixer Speed Control:
Coagulazione: 80~120 giri/min; Flocculazione: 15~20 giri/min
Descrizione del prodotto
Specifiche e Caratteristiche Dettagliate
High-Efficiency Sedimentation Tank with Integrated Separation & Thickening
Advanced sedimentation process equipment featuring rapid inclined tube interception technology for reclaimed water reuse and high-standard wastewater discharge applications.
Product Overview
The High-Efficiency Sedimentation Tank represents next-generation advanced sedimentation technology that seamlessly integrates mud-water separation and sludge thickening. Developed through scientific hydraulic and structural design principles, this equipment utilizes theories of sludge coagulation, circulation, inclined tube separation, and thickening to deliver exceptional performance.
The tank is precisely engineered with four distinct sections: coagulation zone, flocculation zone, pre-sedimentation zone, and inclined plate (tube) sedimentation zone. Raw water undergoes rapid coagulation followed by slow flocculation to form large, dense flocs, which are then efficiently separated in the pre-sedimentation and inclined tube zones. The result is high-quality clear water collected and discharged through the top collection trough.
Technical Specifications
| Key Parameter | Specifications & Technical Details |
|---|---|
| Surface Loading Rate | Peak flow ≤20m³/m²h |
| Coagulation HRT | 2 min ~ 5 min |
| Flocculation HRT | 5 min ~ 10 min |
| Inclined Tube Angle | Optimal angle 60° |
| Tube Diameter & Slant Length | Diameter 25~35 mm; Length 1.0 m |
| Clear Water Zone Height | ≥ 1.0 m |
| Bottom Distribution Zone Height | ≥ 1.5 m |
| Mixer Speed Control | Coagulation: 80~120 r/min; Flocculation: 15~20 r/min |
| Sludge Return Ratio | 3% ~ 15% |
| Floc Zone Sludge Concentration | 120 ~ 180 mg/L |
| Sedimentation Mud Level | 1.0 ~ 1.8 m |
Core Advantages
- Integrated Mud-Water Thickening and Separation: Combines mud-water separation and sludge thickening into a single structure, significantly improving treatment efficiency while drastically reducing footprint requirements.
- Series Reaction & Endogenous Draft Design: Features a slow-speed mixing zone and plug-flow reaction zone connected in series. Internal draft tube mixes raw water, returned sludge, and coagulant aid from bottom up, ensuring flocs grow large and dense for easy settling.
- Precise Hydraulic Velocity Control: Maintains strict hydraulic limits to protect fragile flocs. Transfer velocity from reaction tank to pre-sedimentation zone is limited to below 0.056 m/s, preventing alum floc breakage during transit.
- High-Efficiency Interception & Active Sludge Return: Utilizes 60° shallow-pool inclined tube design to capture micro-flocs with high efficiency. Critical sludge return mechanism (3%~15% return ratio) allows active sludge to contact and adsorb raw suspended solids, boosting separation performance.
Frequently Asked Questions
Why is the flocculation effect of this high-efficiency sedimentation tank so much better than conventional ones?
This superior performance results from the integration of a "sludge return" mechanism and series flocculation reaction zone with draft tube. The returned active sludge (3%~15%) fully contacts and adsorbs suspended solids in raw water. Combined with strictly controlled mixing speeds (80~120 r/min for coagulation and 15~20 r/min for flocculation), suspended solids re-form into larger, denser flocs that settle rapidly.
Will the large flocs formed in the reaction tank break apart when flowing into the sedimentation zone?
No, they will not break. The equipment maintains extremely high standards for hydraulic flow control. The transfer speed of the mixture flowing from the reaction zone into the pre-sedimentation area is strictly capped at less than 0.056 meters per second. This exceptionally gentle plug-flow guarantees that dense alum flocs enter the sedimentation zone completely intact.
Will the inclined tube sedimentation zone accumulate sludge and clog after prolonged use?
The equipment comes outfitted with an inclined tube washing system. To maintain optimal functionality long-term, operators simply need to perform periodic backwashing. This easily clears away any adhered sludge and prevents clogging, making maintenance very straightforward.
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