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The following paragraphs will explain the main thickener parts in more detail. Tank. The tank is constructed from a variety of materials, the most common being mild steel and concrete. Tanks may be supported on legs, giving access to the underflow pumps and valves, or supported by the ground on compacted soil support and access gained via a tunnel.
Oct 04, 2016· Sludge Thickener Tank. To increase the Sludge concentration. To increase the efficiency of Filter press. To reduce the sludge volume by anaerobic reaction. To reduce moisture content in …
The thickener area is also required for this calculation. Guess the thickener area for the first iteration. Several iterations of area may be required to achieve a practical thickener size and pumping rate. For a circular thickener with a 15.24 m (50 f t) dia.: A= Pi r 2 = 182.4 m 2 (7)
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1,814 mining used thickener products are offered for sale by suppliers on Alibaba.com, of which mining thickener accounts for 1%, mineral separator accounts for 1%, and thickeners accounts for 1%. A wide variety of mining used thickener options are available to you, such as egypt, canada, and indonesia.
THICKENER TANKS Washing Systems offers a range of thickener sizes and types to suit a variety of materials and applications. The TWS Applications team balance the client's needs in terms of material type and slurry volume, desired sludge characteristics in order to propose the best thickener …
DEL has designed a versatile and mobile Clarifier & Thickener to handle the higher flow rates required by many dredging and dewatering projects with a total working capacity of 45,000 gallons. The tank is built in 2 sections, an upper and lower section, for ease of transport. The tank requires only 2 flat bed trucks and width permits for hauling.
Thickeners and clarifiers use slowly rotating rake arms to separate solid particulate. A liquid feed with suspended solids is fed into a tank with a diameter of 5 to 500 feet. As the particles settle, angled rake arms move the concentrated slurry toward the center of the tank, where it is removed.
A thickener has several basic components: a tank to contain the slurry, feed piping and a feed well to allow the feed stream to enter the tank, a rotating rake mechanism to assist in moving the concentrated solids to the withdrawal points, an underflow solids withdrawal system, and an overflow launder.
Thickener, Tank Thickener, Rake Thickener manufacturer / supplier in China, offering Thickener: an Equipment Structure Used for The Continuous Gravity Settling (sedimentation) of Solids in Suspensions., Power Slewing Drive Single Axis Tracker Reducer New Fresh Energy PV, Best Supplier for Hxgf Shaft Mounted Gearbox in China and so on.
Jun 18, 2020· Sedimentation, or settling, is the simplest of the thickening processes. A gravity sludge thickener has the same design features as a primary sedimentation tank used for wastewater treatment, and most often has cylindrical geometry.
Dec 14, 2015· Thickeners are used to concentrate solids, while clarifiers are used to purify liquids. A thickener will give you a high density underflow while a clarifier will not. The clarifier overflow is typically cleaner or clearer than the thickener overflow would be. Clarifiers, depending on the application – that can be used to recover immediately ...
Used Thickener for Sale. Watch this Category. Mining and drilling equipment used to excavate, transport or process minerals or geological materials from the earth. Item. User. Views: All Clearance List.
Rake thickeners are designed specifically to deal with high volumes of slurry. The integral scrapers aid transportation of material from the periphery of the tank to the outlet, thus accelerating the removal of sludge from the thickener. KEY FEATURES. Produces sludge with 30 - 40% solids content; Low level feed in height to enable gravity feed
Thickeners. Thickeners — or Clarifiers, depending on the application — can be used to recover immediately reusable process water, as well as extract fines and other materials. Thickeners are used by mineral and aggregate producers, as well as by environmental contractors in industries such as wastewater management, to separate solids from liquid in a slurry.
Gravity Thickening: This process involves the concentration of thin sludges to more dense sludge in special circular tanks designed for this purpose. Its use is largely restricted to the watery excess sludge from the activated sludge process. It may also be used to concentrate sludge to primary tanks or a mixture of primary and excess activated ...
• The solids load escaping in the liquid portion from the blending tank is taken as 10 • Thus, the solids load entering the sludge thickener becomes 112.1 • The solids load escaping in the liquid portion from the thickener is taken as 11.2 • The solids load leaving the thickener becomes 100.9.
Eimco 35' diameter, type BX thickener mechanism, S.O.# 3003-a, previously used on 5'10" side wall depth tank, bridge supported rake mechanism and W-60,. …
The thickeners must be preceded by flow balancing tanks to contain and mix intermittent sludge discharges and feed the thickeners at a consistent concentration and uniform rate (Fig. 13.1). In applications where used washwater (without settlement) is mixed with clarifier sludge, the sizing of the flow balancing tanks becomes critical because of ...
Ovivo thickeners are available in two types: CST (column supported thickener) and BST (bridge supported thickener). The thickeners can be tailored to meet the specific demands of a customer's process. They can also be designed to fit into new or existing thickener tanks. Ovivo circular thickeners have been used in thickening for over 80 years.
Jun 16, 2017· Beginners guide to thickeners. Thickening is a process where a slurry or solid-liquid mixture is separated to a dense slurry containing most of the solids and an overflow of essentially clear water (or liquor in leaching processes). The driving force for the separation is gravitational, where the differences in phase densities drive the ...
The thickener body, or tank, is a thickener's most obvious elem ent and its shape indicates its desig n priorities. For a given flowrate, t hickeners in a clarification duty w ill have large ...
Jul 13, 2016· The Dorr traction thickener is the type most frequently used for heavy- duty work with large tonnages. The machine is so called because the thickening mechanism is driven by means of a traction wheel which travels around the periphery of the tank on a rail.
Settling-thickening tanks can be used in any climate, but are especially benefi cial when treating FS with a relatively low solids concentration, and/or in temperate or rainy climates. This is an important . Technology 124 consideration in urban locations where space is limited, as it can reduce the required area of subsequent
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Thickening is a procedure used to increase the solids content of sludge by removing a portion of the liquid fraction. To illustrate, if waste activated sludge, which is typically pumped from secondary tanks with a content of 0.8% solids, can be thickened to a content of 4% solids, then a fivefold decrease in sludge volume is achieved [1]. ...
The control parameters used to maintain stable operation in high-rate thickeners are underflow solids density, underflow withdrawal rate, flocculant dosage, solids inventory in the tank, solids feed rate, and mechanical torque limit restriction of the rotating rake arm mechanism. Lower-yield stress muds, as produced in a high-rate thickener ...