i-DW
The range of Alfa Laval i-DW decanter centrifuges is ideal for continuous sludge dewatering and thickening from municipal and industrial wastewater treatment as well as from potable water treatment, when the main focus is reliability, cost-efficiency and simple operation with medium capacity and dry solids.
Fundamental performance in a cost-efficient way
- Small footprint
- Low power consumption
- Low cost of ownership
- Low noise emission
지속가능한 솔루션의 가속화
더 지속가능한 세상을 상상해 보세요. 더 적은 양으로 더 많은 것을 생산할 수 있는 세상. 증가하는 에너지 수요를 효율적으로 충족시키는 동시에 이산화탄소의 배출량을 줄이는 세상. 천연 자원을 보존하면서 천연 자원의 힘을 활용할 수 있는 세상을 상상해 보세요. 알파라발은 이러한 세상을 상상만 하지 않습니다. 우리는 고객 및 파트너와 함께 이러한 세상을 만듭니다
How it works - working principle of this decanter centrifuge for sludge dewatering and thickening
Separation takes place in a horizontal cylindrical bowl equipped with a screw conveyor. The feed enters the bowl through a stationary inlet tube and is accelerated smoothly by an inlet distributor. The centrifugal force that results from the rotation then causes sedimentation of the solids on the wall of the bowl.
The conveyor rotates in the same direction as the bowl, but slightly slower, thus moving the solids towards the conical end of the bowl. A special Liquid Lock conveyor design (patent pending) accelerates light particles before discharge for optimum separation. It also facilitates the small footprint.
Separation takes place throughout the entire length of the cylindrical part of the bowl. Relatively low G-force is needed for the i-DW decanter to deliver good performance in terms of capacity and cake dryness. This contributes to low power consumption.
The clarified liquid leaves the bowl by flowing out of the casing via special patented energy saving Power Tubes that enable lower speed of discharged effluent. The cake leaves the bowl through the solids discharge openings into the casing.
무엇을 도와드릴까요?
With industry-leading wastewater technology and expertise based on the experience from thousands of installations, we can help analyse your unique situation and select the optimal equipment model, configuration and services for your needs and budget.
관련 제품
Solutions for the Circular Economy
More and more wastewater treatment plants are discovering the benefits of a circular, holistic approach to wastewater treatment. Cost savings, reduced environmental impact and new income streams from recovered resources are but a few. Every wastewater treatment plant is unique and has its own set of challenges and opportunities. With our expertise in processing and our broad range of products, we can support your shift to a circular resource flow. Regardless of whether you are a contractor, designer or plant operator we can help you find the optimum solution for your specific project.
