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2025

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07

Lanmeila sedimentation Tank: An innovative solution for efficient solid-liquid separation

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In the field of water treatment, sedimentation tanks, as the core equipment for solid-liquid separation, directly determine the quality and cost of sewage treatment based on their efficiency. The Lanmeila sedimentation tank, with its remarkable advantages of "small space and high efficiency", has become a "star equipment" in water treatment projects in recent years, especially favored in the treatment of industrial wastewater and municipal sewage.
The core advantage of the Lanmeila sedimentation tank stems from its inclined plate/inclined tube sedimentation technology. Traditional sedimentation tanks rely on the natural sedimentation of particles, often requiring a large area to ensure separation effect. However, Lanmeila sedimentation tanks transform the original "horizontal sedimentation" into "shallow sedimentation" by setting up dense inclined plates or inclined tubes inside the tank. According to Stokes' law, the settling velocity of particles is directly proportional to the settling distance. The inclined design of the inclined plates/tubes significantly shortens the settling path of particles, enabling particles that originally required a settling distance of several meters to be separated within a gap of several tens of centimeters in the inclined plates, thereby increasing efficiency by 3 to 5 times.

Structurally, the Lanmeila sedimentation tank is composed of four parts: the inlet zone, the inclined plate/inclined tube zone, the clear water zone, and the sludge discharge zone. After the sewage is evenly distributed in the inlet area, it slowly flows into the inclined plate/inclined tube area. Under the effect of gravity, the suspended particles in the water settle on the surface of the inclined plates. The settled sludge slides down along the inclined plates to the sludge discharge area at the bottom of the pool, while the clarified clear water rises along the gaps of the inclined plates to the clear water area for collection and discharge. This stratified design allows water flow and sludge to follow their own paths, avoiding the "short-circuit flow" problem of traditional sedimentation tanks and ensuring that every drop of water is thoroughly separated.

Compared with traditional sedimentation tanks, Lanmera sedimentation tanks have a wider range of applicable scenarios. In municipal sewage treatment, it can efficiently handle suspended solids in domestic sewage and reduce the load on subsequent biological treatment. In the field of industrial wastewater, whether it is the high-turbidity wastewater generated from food processing or the slag-containing wastewater from the metallurgical and chemical industries, all can achieve standard discharge through its stable separation effect. Especially for enterprises with tight land use or renovation projects of old water plants, its feature of "occupying only 1/3 to 1/5 of the land of traditional sedimentation tanks" can significantly save land costs.

High efficiency, stability and economy are the three core labels of Lanmeila sedimentation tanks. Its inclined plates/tubes are made of food-grade PP or PVC material, which is resistant to acid and alkali corrosion and has a service life of 5 to 8 years. The unique water distribution system and sludge discharge design can prevent particle blockage and ensure stable long-term operation. Meanwhile, as no additional chemicals are needed and solid-liquid separation is achieved solely through physical separation, it not only reduces operating costs but also lowers the risk of chemical pollution, which is in line with modern environmental protection concepts.

Today, with water resources becoming increasingly tight, the Lanmeila sedimentation tank provides a better solution for water treatment projects by enhancing separation efficiency, shortening the treatment cycle and saving land area. Whether it is the efficient allocation of new projects or the upgrading and renovation of old facilities, it has become an important force in promoting the quality and efficiency improvement of sewage treatment with its "small but exquisite" characteristics, injecting green energy into industrial production and urban development.

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