Beginners guide to thickeners - Outotec

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 ...

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High Rate Thickeners – HiFlo™ – PHOENIX Process Equipment

HiFlo™ Thickeners are available in several standard sizes & custom configurations including bolt-together tank, flat bottom, elevated tank, rake lift, and embeeded stave. For complete elimination of the slurry pond, a PHOENIX Belt Filter Press or Filter Press …

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Thickener optimization to reduce production costs ...

Thickener optimization to reduce your production costs ... Rake torque & lift: For hydraulic rake drives, the hydraulic pressure needs to be measured to monitor process problems like insufficient underflow pump rate or blocked discharge outlets. This generates either a shutdown or the rake lift to lower the torque.

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Thickener evolution a testament to customer commitment

Jun 11, 2021· The 20 M lb-ft rake design in the peripheral traction thickeners has allowed us to develop and gain the necessary experience to design and manufacture robust mechanisms that can easily handle a drive torque of 10 M lb-ft – and significantly higher – for …

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thickeners & clarifiers - MIP Process Corp

The rake assembly is attached to the drive by means of a thick walled torque tube and slew ring arrangement. It incorporates a cone to direct solids across the thickener floor to increase the efficiency of the settling area. The rake blades, attached to the tubular, low drag rake arms are designed to the raking capacity required for the treated

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(PDF) THICKENER DESIGN, CONTROL AND DEVELOPMENT

Static rods, while not technicall y part of the thickener rake, are som etimes fitted inside the tank to. ... and develop viable, cost-effective, high performance thickeners. With a greater need ...

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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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Conventional Gravity Thickeners

Cost competitive equipment and proven results assure that your process needs are fully considered in the design of each mechanism. High rate thickener units are provided in sizes ranging from 5' to 250' in diameter, and can accommodate drive head torques of …

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HiFlo High Rate Paste Thickeners

Flocculation, pulp level, underflow density, overflow quality, torque, and rake lift position can all be easily managed. HiFlo sensor outputs are used in many installations by distributed control systems to integrate thickener control with other plant functions, …

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Washing Thickener-Gandong Mining Equipment

Washing thickener for solid-liquid separation of gold leaching liquid. Product Details; ... reasonable structure and low cost of operation and maintenance ... Ore pulps enter into tank and then free settle in rake zone where ore pulps are compressed by scraper and moved by rake toward the discharge opening located in tank center through which ...

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MIP Process Corporation USA | Products & Servicves ...

This modeling has resulted in MIP being able to optimize designs and provide the most cost effective solutions. Special attention is given to the design of the thickener feedwell (for high efficiency) and specially profiled rake blades for maximum transfer of viscous …

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Thickener - an overview | ScienceDirect Topics

A paddle/rake system rotating at speeds between 0.25 and 2 rpm is usually added to aid the thickening process and facilitate final sludge concentrations up to 70% w/w. Although deep cone thickeners are relatively cheap to install and occupy a small floor area, their operating costs can be higher.

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MIP Process Technologies | Thickening and Clarification

The rakes convey underflow sludge to the discharge point and thicken the sludge by creating paths in the compressed zone, which allows escape of entrapped liquid upwards. High Rate Thickeners Perhaps the most significant design optimisation effort in thickening in the last twenty years has been in developing ways to more effectively use the ...

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A study on model predictive control in paste thickeners ...

May 01, 2017· In computing the rake torque, information on solids concentration profile in paste thickeners is very important. Therefore, linear and extended Kalman filters are developed and studied to determine a cost-effective approach to estimating the solids concentrations in the paste thickener. The rake torque model is then validated with plant data.

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Thickener - Mineral Processing

Thickeners are recognized as one of the most cost-effective technologies for water recovery from concentrate and tailings streams. The concentrated slurry from the thickening process is transported to the tailings dam for disposal and the recycled water is returned to the processing plant.

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Toncin China Low Cost Sedimentation Gnz Thickener Tank ...

Product Application: GNZ thickener is a new High-rate thickener with central-drive, automatic lifting rake that we have developed based on foreign technology .It is widely applicable to treatment of various industrial feed pulp, like coals, metal ore dressing water, metallurgy, chemical, tailings treatment, environmental protection etc.

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Isodry™ Thickeners | Reliable Tailings Management | Weir ...

Cost effective and simple to maintain, Isodry™ thickeners use optimised rake lifts and modern feedwell and dilution systems to achieve a high performance per square metre and produce an underflow with solids content of up to 70%.

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Bridge-Supported Mechanisms for Tank Diameters to 50 Feet

cost-effectively satisfy your requirements. Table 1 Basin Diameter Selection BST Thickener BSC Clarifier effective Effective Tank Thickening Area Clafification Area Diameter Sq.Fl Sq.Ft Feet 314 285 20 380 350 22 452 400 24 490 440 25 530 480 26 615 565 28 706 657 30 962 912 35 1258 1179 40 1590 1515 45 1963 1852 50 Table 2 Thickener Floor Loading

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High Rate Thickener « AZFAB – AZ Fines Aggregate Business

Tanks are 16 feet high and range in diameter from 30 to 85 feet. The systems can handle 2,000 to 18,000 gallons per minute and can be designed to fit the plant's exact needs. All units come equipped with low drag rakes, hydraulic drives, and PLC control. The system is a bolt together design, and assembled in USA. Reclaims 90% of your water.

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rake thickener, rake thickener Suppliers and Manufacturers ...

Take advantage of our pioneering thickening and clarifying methods with the High Rate Thickener, including advances such as low-profile triangular rake arms to reduce rake torque. ... Now you can improve minerals recovery and minimize operating costs with thickener froth management upgrade.

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How to Operate a Thickener - Mineral Processing & Metallurgy

Apr 25, 2016· The rake arms are buried in mud, and the feed will have to be cut until the thickener has been unloaded. When unloaded, the arms have to be raised until the thickener mechanism will again turn. Following this, the pump must be speeded up to help draw down the sludge load as fast as possible.

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High Quality Gravity Cylinder Thickener Mine Thickener ...

GNZ thickener is a new High-rate thickener with central-drive, automatic lifting rake that we have developed based on foreign technology .It is widely applicable to treatment of various industrial feed pulp, like coals, metal ore dressing water, metallurgy, chemical, tailings treatment, environmental protection etc.

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High-rate Thickener | FL

EIMCO and Dorr-Oliver thickeners are available in both bridge-supported and column-supported designs. We offer beam- or truss-type bridges, depending on thickener diameter. In the bridge-supported design, suitable for thickeners up to 50 m in diameter, the drive is supported by the bridge, driving the rakes with a centre shaft.. Column-supported design drives are supported by a stationary ...

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THICKENER - The best clarification ever for a washing ...

The rake and the design of the cone and cylinder allow us to guarantee an output whose density exceeds the rake thickener one (lower moisture – lower disposal costs) ADVANTAGES OF A PASTE THICKENER. INCREASED RECOVERY OF WATER DECREASED VOLUMES FOR TAILINGS DISPOSAL HIGHEST RECOVERY OF PRODUCT.

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Thickener - All industrial manufacturers - Videos

This product's cost effectiveness matches its quality and dependability. ... Compare this product Remove from comparison tool. See the other products ... The AltaFlo™ ultra high-rate thickener is a rake-less thickener that provides mixing, flocculation and internal dilution followed by clarification ...

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: SimplyThick EasyMix | 200 Count of 6g ...

SimplyThick EasyMix is a gel-based, instant liquid thickener. Thicken water, juice, coffee, tea, soda pop; almost any drink you want. Used for people with swallowing problems (dysphagia). Our beverage thickener dissolves instantly in your favorite foods and beverages.

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Laboratory Thickener - Crushers, Ball Mills, Flotation ...

Laboratory thickening equipment model NSL-66 is composed of thickening tank, rake holder, reduction gear, rake lifting device and feed chute etc. As to transmission, the reducer motor drives spindle and rake holder to rotate counterclockwise at a low speed. During this process, ore grains are continuously scraped to discharge hopper and discharged.

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Thickener Retrofits | Westpro Machinery

Each thickener retrofit application is analyzed by Westpro's experienced team of engineers to develop customized solutions for superior dewatering performance and ease of installation on site. Installed on existing tanks and infrastructure, Westpro's High Capacity Thickener Retrofits provide an efficient and cost–effective solution for ...

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Circular Thickener Clarifiers - Monroe Environmental

The rake employs multiple bottom scraping blades that are angled to ensure that all settling sludge is captured and brought to the central sludge well. Thickening pickets and drive lift mechanisms are often utilized when sludge properties warrant additional mechanical agitation.

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Thickener vs clarifier: what's the difference ...

A rake mechanism in the thickener helps guide the settling solids to the centre of the tank for discharge via centrifugal underflow pump. ... this will come at a substantial cost premium, and it ...

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China Customized Nickel Cobalt Separation High Efficiency ...

Nickel Cobalt Separation High Efficiency Settling Tank Efficient Thickener Rake. The type of GX high-efficiency thickener is semihigh efficiency without folcculating agent added. Compared with common thickener, it has the following structure features: ... We always insist on giving full play to the cost-effective advantages of our Flotation ...

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Circular Clarifiers & Thickeners - Monroe Environmental

A well designed thickener provides storage and equalization, and reduces the costs associated with de-watering. Thickeners are similar to other circular clarifiers in appearance and operation, but typically require higher operating torque and alternate sludge collection designs for optimal performance.

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Thickening - Resource Book

Rake lifting devices can be manual for small diameter thickeners or motorised for larger ones. Manual rake lifting devices consist of a hand wheel and worm to raise or lower the rake mechanism by a distance usually ranging from 30 to 60cm.

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