ROCKERHILL Lamella Clarifier

A Lamella Clarifier, also known as an inclined plate settler, is a high-efficiency solid-liquid separation device designed based on the principle of shallow depth sedimentation. It employs a series of closely spaced, parallel inclined plates to provide a large effective settling area within a compact footprint.

At ROCKERHLL, we engineer our Lamella Clarifiers to remove particulates from liquids, offering a superior, space-saving alternative to conventional settling tanks for primary water and wastewater treatment.

Based on different applications and special requirement from Client, ROCKERHLL customize the design and manufacture accordingly.

With ROCKERHILL patented technology, our special design of Lamella clarifiers have been widely applied in many developed countries like USA, Australia.Spain, South Korea.

Compact Footprint: The inclined plate design provides a large projected settling area, significantly reducing the required footprint-often by 1.5 to 2 times compared to conventional clarifiers.

High Efficiency: By drastically reducing the settling distance for particles, our clarifiers enable faster settling rates and produce clarified water with low turbidity, often as low as 1-2 NTU.

Proven Reliability: We utilize robust materials and a modular design to ensure long-term, dependable operation with minimal maintenance needs.

Cost-Effective: The reduced space requirement and shorter retention times lead to lower capital and operational costs.

The superior performance of a Lamella Clarifier stems from its precision engineering:

Inclined Plate Packs: The core of the clarifier, consisting of multiple flat plates made from durable materials like 6mm thick PVC or stainless steel, installed at an optimal angle of 55-60 degrees to facilitate sludge sliding.

Uniform Flow Distribution: Our proprietary design ensures even distribution of the incoming flow across the entire plate pack, which is critical for maximizing efficiency.

Non-Clogging Design: The specific plate spacing (typically 50-80mm) and the 60-degree inclination, combined with integrated backwashing systems, prevent clogging and ensure uninterrupted operation.

Efficient Sludge Removal: A dedicated sludge hopper at the bottom, often equipped with a scraper mechanism, collects and concentrates settled solids for easy removal, preventing sludge buildup.

Clarified Water Collection: Treated water is collected via effluent launders fitted with V-notches or submerged orifices, ensuring the smooth withdrawal of clarified water.

ROCKERHILL Lamella Clarifiers are versatile solutions for various industries:

Industrial Process Water: Treatment of water for steel, paper, and pulp industries, including metal hydroxide and phosphorus removal.

Wastewater Treatment: Effective for treating municipal and industrial wastewater from sectors like textiles, tanneries, and dyes.

Specialized Process Streams: Also applicable in specialized areas like juice and syrup clarification in the food industry, demonstrating versatility beyond traditional water treatment.

For optimal performance, several factors must be considered:

Effective Flocculation: High-quality floc formation ahead of the clarifier is essential for efficient particle removal in the lamella packs.

Surface Loading Rate: These clarifiers are designed to operate at higher surface loading rates (often 10-25 m³/h·m²), which necessitates precise control of chemical dosing.

Plate Inclination and Spacing: The angle and gap between plates are carefully selected to balance settling efficiency, sludge flow, and resistance to clogging.

Algae Growth Control: In open installations, algae growth on plates can be a concern; enclosures or controlled chemical cleaning may be necessary.

Material Selection: All wetted parts are constructed from corrosion-resistant materials such as stainless steel (e.g., 316L, Duplex) or specialized plastics to withstand harsh environments.

In summary, the Lamella Clarifier is a compact, highly efficient, and reliable solution for solid-liquid separation. Its innovative inclined plate design, based on proven shallow depth sedimentation principles, offers significant advantages in space savings and treatment capacity over conventional alternatives. By ensuring even flow distribution, robust construction, and efficient sludge handling, our clarifiers deliver consistent, high-quality effluent. This makes ROCKERHILL Lamella Clarifiers the intelligent and economical choice for a wide spectrum of water and wastewater treatment applications across numerous industries.

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