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Wastewater Treatment Lamella Sedimentation Tank Integrated Purification Customizable Industrial Sedimentation Unit
lamella sedimentation tank integrated
,integrated sedimentation unit
,2m sedimentation unit
Lamella Sedimentation Tank, Wastewater Treatment, Integrated Purification, Customizable, Industrial Sedimentation Unit
Introduction
Lamella is a new type of high-efficiency water purification and clarification technology, featuring rapid sedimentation characteristics, mainly used to remove solids and particulate matter from water bodies.
It has been widely applied in solid-liquid separation processes such as raw water clarification, wastewater treatment, and sludge thickening. This technology demonstrates more significant advantages under conditions with higher suspended solids concentration, enabling efficient sedimentation of all solids within a specified timeframe. The separation process is straightforward and economical.
| Comparative items | Lamella Sedimentation Pond | Conventional inclined tube sedimentation tank |
|---|---|---|
| Structural form | Parallel inclined plate structure, plate spacing 50–100mm, inclination angle 50°–60° | Honeycomb hexagonal / rectangular tubular components, pipe diameter 25–50mm, inclination angle 60° |
| Hydraulic conditions | Lamella flow of water, Reynolds number <200, Froude number 10⁻³~10⁻¹ | Smaller hydraulic radius, Reynolds number ＜200, more stable flow, Froude number 10⁻³~10⁻⁴ |
| Processing Efficiency | Surface load is 2–4 times that of traditional sedimentation tanks, treatment capacity is 9–25 times that of horizontal flow tanks, sedimentation efficiency is 3–5 times that of inclined tube tanks, flow rate can be increased by 15%–35% | Surface load 3–5 m³/(m²・h), removal rate of particles above 10μm 90%, retention time 15–30min |
| Shock Resistance and Adaptability | Stronger resistance to shock load, suitable for high load scenarios | Stronger adaptability to raw water with high turbidity |
| Space Occupation and Installation | Modular design, occupying only 1/25 of the area of a horizontal flow sedimentation tank | Higher installation space requirements |
| Maintenance Characteristics | Equipped with online backwashing system, can be cleaned without stopping the water supply, sludge discharge system is optimized, not prone to blockage | Structurally dense, prone to silt accumulation, requires regular cleaning, maintenance costs are high |
| Investment and Operation | Material costs are 20%–30% higher, operating costs are low | Less material consumption, low initial investment |
| Application Scenarios | Limited space, sewage treatment upgrades, oil-containing / fibrous impurity wastewater (e.g., papermaking) | Low flow rate, high turbidity water treatment (e.g., Yellow River water purification) |
Working Principle
The inclined plate sedimentation tank is a high-efficiency solid-liquid separation device based on lamellar sedimentation theory.
Sewage flows into the tank and passes through a group of closely arranged inclined plates. Under gravity, suspended solids in the wastewater settle onto the plate surfaces, forming sludge that slides down to the sludge hopper at the bottom.
The inclined structure greatly increases the effective sedimentation area and shortens the settling distance of particles, significantly improving separation efficiency while reducing the overall footprint and residence time. Clean water after sedimentation overflows from the top outlet for subsequent treatment.
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