The sludge thickener in wastewater treatment is a high-performance integrated equipment designed for concentrating and dewatering organic sludge in municipal and industrial water treatment projects. As a seasoned manufacturer with mature production technology, we've optimized this sludge thickener to combine sludge thickening and dewatering into a single, efficient process. It relies on adjustable screw diameter and pitch to generate powerful extrusion pressure, paired with the minimal gap between movable and fixed annular plates, to squeeze moisture from sludge-delivering consistent, high-quality dewatered cake. With a sludge treatment capacity ranging from 5-800 kg/h (DS), it's a versatile solution for sludge volume reduction across diverse industries.
Sludge thickeners are widely used in municipal wastewater treatment plants, industrial wastewater treatment plants, and environmental protection projects. Their main applications include:
- Concentrating activated sludge, reducing sludge volume
- Improving sludge dewatering efficiency and reducing sludge moisture content
- Improving the stability and effectiveness of sludge treatment processes
- Reducing sludge storage and transportation costs
Customized Sludge Thickeners In Wastewater Treatment
Sludge thickeners can be flexibly customized to meet the process requirements and sludge properties of different wastewater treatment plants. This includes:
- Adjustment of processing capacity
- Customization of equipment size and installation method
- Material selection to adapt to different sludge corrosivity
- Control system integration and automation enhancement. Customization services ensure that each sludge thickener perfectly matches user needs and maximizes efficiency.
How Does Sludge Thickener In Wastewater Treatment Work
The sludge thickener wastewater treatment operates through a three-stage functional design that ensures thorough sludge treatment. First, the flow control tank regulates sludge inflow via an overflow pipe, diverting excess sludge back to the storage tank to maintain stable processing. Next, the flocculation tank mixes sludge with polymer flocculant under controlled stirring, forming dense flocs ideal for dewatering-while a built-in thickener instantly reduces sludge volume. Finally, the cylinder unit further concentrates sludge in its thickening zone before ramping up internal pressure in the dewatering zone; the end plate applies additional pressure to squeeze out residual moisture, resulting in dewatered cake with a solid content of 75%-85%.
Step-by-Step Operation
* Sludge is pumped into the flow control tank, where inflow is adjusted to match the equipment's processing capacity.
* Qualified sludge enters the flocculation tank, where polymer flocculant is added and mixed to form stable flocs.
* The built-in thickener in the flocculation tank rapidly reduces sludge volume, preparing it for dewatering.
* Concentrated sludge flows into the cylinder unit, passing through the thickening zone to remove free moisture.
* In the dewatering zone, increasing internal pressure and mechanical extrusion squeeze out bound moisture, which drains through gaps between annular plates.
* Dewatered sludge cake is discharged via the outlet, while filtrate is collected and directed for further treatment or reuse.
Advantages of Sludge Thickener
Zero Secondary Pollution: Operating at a slow 2-3 r/min, the equipment runs smoothly with minimal vibration and low noise (below 60 dB). The relative movement between fixed and movable plates enables self-cleaning, requiring only a small amount of rinsing water-eliminating water pollution risks. It also operates odor-free, preventing unpleasant smells from spreading to the surrounding environment.
Significant Operational Cost Savings: The compact design eliminates the need for large rotary drums or auxiliary equipment, reducing energy consumption by 40% compared to traditional dewatering machines. Its mechanical extrusion design cuts reliance on high-cost consumables, while low water and polymer usage further lowers day-to-day operational expenses.
24/7 Fully Automatic Operation: From sludge intake and flocculant dosing to cake discharge, the entire process runs automatically without manual intervention. This eliminates labor costs and ensures continuous operation, even during off-peak hours, maximizing treatment efficiency.
Anti-Clogging Self-Cleaning Design: The dynamic relative movement between fixed and movable annular plates prevents sludge buildup and clogging-eliminating the need for frequent manual cleaning and reducing downtime. This design is especially effective for sticky or high-fiber sludge that often plagues other dewatering equipment.
Durable & Low-Maintenance Construction: Crafted primarily from SS304/316 stainless steel, the equipment resists corrosion and wear, even in harsh wastewater environments. Key replaceable parts (screw shaft and movable rings) are designed for easy maintenance, extending the overall service life to over 8 years.
Broad Application Versatility: It adapts seamlessly to various sludge types, from municipal wastewater sludge to industrial sludge from tannery, printing, petrochemical, and pharmaceutical industries. This flexibility makes it a one-stop solution for multi-scenario sludge treatment needs.
Application of Sludge Thickener Wastewater Treatment
* Municipal wastewater treatment: Reduces the volume of domestic sewage sludge for cost-effective disposal or resource reuse.
* Food & beverage industry: Processes organic sludge from dairy, beverage, and slaughtering facilities, complying with strict environmental discharge standards.
* Petrochemical & printing industries: Dewaters oil-containing and dye-laden sludge, minimizing environmental impact and ensuring regulatory compliance.
* Papermaking & tannery industries: Handles high-fiber and high-protein sludge, preventing equipment clogging and reducing disposal costs.
* Pharmaceutical & breeding industries: Treats sludge with complex compositions, achieving harmless treatment and supporting sustainable operations.
Technical Data
|
Model |
DS Sludge Treating Capacity |
Sludge Flow Treating Capacity |
|||||
|
10000mg/L |
20000mg/L |
30000mg/L |
40000mg/L |
50000mg/L |
|||
|
CYDL101 |
5-7 kg/h |
~0.5m³/h |
~0.25m³/h |
~0.2m³/h |
~0.15m³/h |
~0.14m³/h |
|
|
CYDL131 |
10-14 kg/h |
~1m³/h |
~0.5m³/h |
~0.4m³/h |
~0.3m³/h |
~0.28m³/h |
|
|
CYDL201 |
15-20 kg/h |
~1.5m³/h |
~0.75m³/h |
~0.6m³/h |
~0.5m³/h |
~0.4m³/h |
|
|
CYDL202 |
30-40 kg/h |
~3m³/h |
~1.5m³/h |
~1.2m³/h |
~1m³/h |
~0.8m³/h |
|
|
CYDL203 |
45-60 kg/h |
~4.5m³/h |
~2.25m³/h |
~1.8m³/h |
~1.5m³/h |
~1.2m³/h |
|
|
CYDL301 |
50-70 kg/h |
~5m³/h |
|
~2m³/h |
~1.5m³/h |
~1.4m³/h |
|
|
CYDL302 |
100-140 kg/h |
~10m³/h |
~5m³/h |
~4m³/h |
~3m³/h |
~2.8m³/h |
|
|
CYDL303 |
150-210 kg/h |
~15m³/h |
~7.5m³/h |
~6m³/h |
~4.5m³/h |
~4.2m³/h |
|
|
CYDL304 |
200-280 kg/h |
~20m³/h |
~10m³/h |
~8m³/h |
~6m³/h |
~5.6m³/h |
|
|
CYDL351 |
100-120 kg/h |
~10m³/h |
~5m³/h |
~4m³/h |
~3m³/h |
~2.4m³/h |
|
|
CYDL352 |
200-240 kg/h |
~20m³/h |
~10m³/h |
~8m³/h |
~6m³/h |
~4.8m³/h |
|
|
CYDL353 |
300-360 kg/h |
~30m³/h |
~15m³/h |
~12m³/h |
~9m³/h |
~7.2m³/h |
|
|
CYDL354 |
400-480 kg/h |
~40m³/h |
~20m³/h |
~16m³/h |
~12m³/h |
~9.6m³/h |
|
|
CYDL401 |
130-160 kg/h |
~13m³/h |
~6.5m³/h |
~5m³/h |
~4m³/h |
~3.2m³/h |
|
|
CYDL402 |
260-320 kg/h |
~26m³/h |
~13m³/h |
~10m³/h |
~8m³/h |
~ 6.4m³/h |
|
|
CYDL403 |
390-480 kg/h |
~39m³/h |
~19.5m³/h |
~15m³/h |
~12m³/h |
~9.6m³/h |
|
|
CYDL404 |
520-640 kg/h |
~52m³/h |
~26m³/h |
|
~16m³/h |
~12.8m³/h |
|
