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Lackeby Gravity thickener scraper

Lackeby Gravity thickener scraper reduces the water content in the sludge. Normal levels after the thickening is 23 times reduction in volume or corresponding increase in the TS content in the sludge. Normal TS content after thickening is approximately 68% for primary sludge and 23% for biological sludge.

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US3679063A Mechanism for operating thickener rake arms ...

A thickener according to the invention is provided with a mechanism for operating the rake arms of the thickener without the use of central drive columns and central drive mechanism but comprising a traction means including a plurality of spaced cable carriers distributed and mounted for movement along the peripheral wall of the thickener tank, cable means respectively connecting the outer ...

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Sludge tickeners – Borger Aquatech

Gravitational sludge thickener– Scraper bridge for radial sludge settler The thickening process can be worked out gravitational by radial settler made by concrete. This is equipped with a scraper bridge which has the role to ensure a slow mixed up, facilitating the settling process and …

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Sludge Removal System JMS MegaSCRAPER

Scraper blade design maximizes sludge movement toward the sludge pit with minimum disturbance of the sludge blanket, reducing sludge volume; Reciprocating motion produces a thickening effect of the sludge blanket; Customizable for 100% coverage of new or existing basins, suitable for use with JMS MegaSETTLER systems

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Rotating sludge scraper | Hydria Water

Optionally the units are equipped with surface sludge blades that transport floating sludge to a sludge cone. The floating sludge scraper blades are assembled ­below the bridge that rotates. The peripheral driven rotating sludge scrapers can be designed with siphon pumping (also referred to as airlift pumps) as option or with submersible pumps.

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Sludge Thickening an overview | ScienceDirect Topics

The scraper collects the settled solids to a discharge pipe located at the bottom of the tank, and the supernatant flows up over a Vnotch weir at the top of the tank. Gravity thickening is the most common method used to thicken primary sludge and combined primary and secondary sludge.

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Longitudinal bridge floating and bottom scraper LONGSLUDGE ...

1. Manual (Only one trip). 2. Manual (Continuous). 3. Temporized. The car is transferred in opposite direction to the flow, when it reaches the opposite end, a road end installed in that end acts over the drive reversing its operation, hence the direction of the trip of the car, at the same time, some mechanic bumps free the cleaning arms, allowing their descent. Once these operations are ...

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Circular Clarifiers Thickeners | Monroe Environmental

Spiral Scraper. Spiral Scraper type clarifiers utilize longsweeping, curved scraper blades to move solids across a basin floor. They are similar to scrapertype clarifiers in that they drag settled solids to the collection area, however, they can more quickly remove these solids and thus maintain lower sludge blankets in some applications.

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China Sludge Scraper Manufacturers, Factory Customized ...

The sludge scraper is mainly used in the primary sedimentation tank and secondary sedimentation tank with a diameter of 1360m, and the thickener is used in the concentration tank. Read More; Stainless Steel Sludge Scraper The stainless steel sludge scraper is suitable for scraping mud in the rectangular sedimentation tank of largescale water ...

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Sludge scrapers Aquanova

Large clarifier with two full logarithmic scraper arms and Stamford baffle. A single arm scraper in a large clarifier is a source of problems. Small speed of rotation causes high sludge blanket. Large speed of rotation causes loss of suspended solids into the effluent, typically behind the scraper …

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Lamella Clarifier, Rental Clarifiers

Where a more concentrated sludge is desired, the LAMELLA ® Gravity Settler/Thickener is the solution. The LGST is a highrate gravity settler combined with a circular picketfence sludge thickener/scraper in …

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Clarifiers Thickeners Triveni Group

Chain Scraper Sludge Collector Endless Chains along each side of the tank carried on sprockets with Flights attached at regular spacing spanning the entire tank width Available also in nonmetallic Chains, Sprockets, Flights etc. for corrosive / hazardous applications Advantages Travelling Bridge Sludge Scraper Chain Scraper Sludge Collector

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9VAC25790600. Sludge Thickening.

Thickeners should be designed to prevent septicity during the thickening process. 1. A sludge handling bypass around the thickening process is required. Dual units or alternate storage is required for all treatment works of greater than 1 mgd capacity. 2. Thickeners shall be provided with a means of continuous return of supernatant for treatment.

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Zickert Z2000 – Nordic Water

The Z2000 Bottom Sludge Scraper is designed to provide continuous sludge transportation and performs well in all sedimentation processes, even in a sand trap. The Z2000 can be adapted to the most varied requirements because it is not dependent on where the operation is located and there is a choice between a hydraulic drive and an electric motor.

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Clarifiers : Amwell

Rapid sludge removal type with pipe arms, tapered rectangular suction arms and scraper type with multidraw off pipes and visual sludge well are also available. Amwell produces a split ductile iron Class 6 precision gear (after heat treat) with replaceable races.

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SCRAPERBOX Device and method for thickening sludge

Scraper Box is a simple, efficient and low cost innovative technology for thickening liquid sludge. It can be automated and does not require conditioning polymer. It produces sludge that is 60% more concentrated than with usual thickeners: sludge dryness is increased significantly, achieving 50g/L compared to the current 30g/L, without the use ...

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OVIVO® Spiral Blade Scraper Clarifier

The Ovivo ® spiral blade scraper clarifier is designed for municipal wastewater, municipal drinking water and industrial wastewater treatment applications. It features rapid sludge removal by the action of spiral raking blades. Maximizing sludge concentration, providing low effluent suspended solids and efficient scum removal, this clarifier model is well adapted for primary and secondary ...

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