Thickeners

2016-6-1 · High-rate thickeners produce the lowest density and yield stress (<20 Pa). The highest yield stress underflow is produced by deep-cone thickeners and can reach over 150 Pa. Source: This article is a reproduction of an excerpt of "In the Public Domain" …

Creative Engineers | High Rate Thickener

2018-4-16 · The feed well of the Hi-rate Thickener Contains a special Flocculation Chamber & the feed enters this Chamber a hollow Drive shaft. Creative High Rate Thickener can be used in variety of different applications – including Mining & …

Thickeners and clarifiers Complete range of reliable and ...

2019-9-12 · High-rate thickeners In developing our high-rate thickeners, we draw upon decades of experience in flocculation, feed dilution, and sedimentation technology from EIMCO® and Dorr-Oliver®. We work with you to address your specific process challenges that affect your thickener and clarifier selection. Traction thickeners on a tailings duty High ...

Thickeners

2017-4-20 · HIGH RATE THICKENERS McLanahan is a leader in providing fines recovery and water management solutions to the Aggregate and Mining industries. McLanahan has designed a High Rate Thickener with simplicity of concept but with specific benefits for today''s operators. Our Thickeners provide a low operating cost answer to recovering immediately

The High Rate Thickener

2017-10-30 · Description. The High-Rate thickeners became popular in the mid 1980''s and are relatively newcomers to the sedimentation line of equipment. As already discussed previously Thickeners are a major component in a plant layout and occupy large spaces which may be saved by introducing high-rate …

Iron ore tailings thickener success in Ukraine

2021-3-23 · Iron ore tailings thickener success in Ukraine. As part of its modernization drive, a mining and processing plant, recently installed 3 x 62 m diameter DELKOR high-rate thickeners, with a view to reducing electricity consumption for the pumping of tails by one and a half times, as well as a reducing the use of process water.

Thickeners and clarifiers Complete range of reliable and ...

2019-9-12 · Standard bridge-supported high-rate thickener designs are available for accelerated delivery, and include either welded or bolted elevated steel tank designs up to 40 m in diameter and are ideal for many applications.

ThICKENERS

2017-4-3 · hIGh RATE ThICKENER The DELKOR High Rate Thickener is a proven performer in a variety of different applications including minerals, industrial, chemical, water treatment and waste water industries. The reliability and performance of DELKOR thickeners means that they are well represented throughout the world.

Canadian Experience in the Application of Paste and ...

Thickener operating experience has progressed over the years and in 1995 the existing thickener was replaced by an elevated Outokumpu 35 m diameter high rate thickener with 4 m vertical wall and open top. Zinc and copper concentrator tailings (solids SG = 3.1) are pumped to the thickener …

Most common problems in thickener operations (part 2)

The main issues that mining plants face in thickener operations have their origin in three main sources: design, mineral variations and mechanical or instrumentation and control problems. 1.-. The design stage is the most relevant aspect to determine the diameter (area) and the torque of the thickener.

Thickeners | Nesans Mining and Automation Private Limited

2021-6-17 · The underflow flow rate is also monitored to keep the mass-balance of the thickener. Rake torque Sensor : The Rake arm of the thickener is suspended from above the feedwell of the thickener. Temporary plant shut-downs or power failure will allow free solids to settle and undergo compaction when the thickener is started again.

Roymec Technologies

Conventional and high-rate thickener units. We provide conventional and high-rate thickener units up to 75m diameter with a range of sidewall and centre-pier-mounted bridge designs, electric and hydraulic drives, and fully integrated lift mechanism.

High Quality Gravity Cylinder Thickener Mine Thickener ...

High Quality Gravity Cylinder Thickener Mine Thickener, find complete details about High Quality Gravity Cylinder Thickener Mine Thickener, Thickener, High Rate Thickener, GNZ Centre Drive Efficient Thickener - Nuclear Industry Yantai Toncin Group Co.,Ltd.

MIXERS AND THICKENERS FOR THE MINING INDUSTRY ...

2008-2-12 · Lightnin Africa is a division of international group, SPX Process Equipment and has supplied well over sixty large mixers into the African mining industry over the past four years, with some 25 units being sold to the Ashanti group of mines. According to applications engineer, Gerrit Kotze, successful installations for gold mining applications have been in Ghana, Guinea, Botswana, Ethiopia ...

Case Study: Paste thickening optimises ...

2015-7-30 · The first stage consists of two primary high-rate traction slurry thickeners, each 90 metres in diameter, situated at the main plant. The first thickener was installed in 2008, with the opening of ...

High Rate Thickener

Benefits. Outotec High Rate Thickeners include a number of innovative features in design. Our Directional Autodil™ and Turbodil™ systems auto-dilute feed while optimizing performance and flocculant consumption. Our innovative Outotec Vane Feedwell™ incorporates interconnected upper and lower zones to further improve performance.

(PDF) THICKENER DESIGN, CONTROL AND DEVELOPMENT

thickener as being 6 metres diameter by 3 metres high, ... Like the High Rate thickener, ... there is a real need to bridge the gap between theory and the real world mining considerations, and ...

ANDRITZ thickening and clarification systems

35m in diameter Pb/Zn tailings - High rate bolted thickener. ANDRITZ thickening and clarification solutions are designed to achieve the highest production rates without compromising efficiency. For all counter-current decantation (CCD) plants: The new and improved ANDRITZ inter-stage mixing and dilution system for CCD circuits helps to reduce ...

Thickeners | McLanahan

McLanahan offers a range of thickener types, including High-Rate, Ultra Rakeless, High-Density and Paste, that are tailored to an individual application. They can be used as stand-alone solutions or in conjunction with other equipment. High-Rate Thickeners are used by the aggregate and mining industries, as well as environmental contractors ...

Bolted thickeners grow in popularity as a ...

2018-1-18 · The concept of bolted thickeners is growing in popularity as a fit-for-purpose, high quality dewatering solution with reduced project construction risk and duration. The benefits offered by bolted thickeners have resulted in FL securing an order in July 2017 for a 24 m diameter high-rate thickener from a South African iron ore mining company.

mpteq

We are currently building a 10-meter diameter High Rate Thickener for an upgrade to a tin mine in the DRC. The unit has a feed dilution system fitted and has a fully bolted design (as do most of our thickners these days). The Thickener will be delivered in November 2020. MPTEQ is developing a fine mineral separation device that uses ultrasound.

Bolted thickeners grow in popularity as a ...

2018-1-18 · The concept of bolted thickeners is growing in popularity as a fit-for-purpose, high quality dewatering solution with reduced project construction risk and duration. The benefits offered by bolted thickeners have resulted in FL securing an order in July 2017 for a 24 m diameter high-rate thickener from a South African iron ore mining …

How to Size a Thickener

2016-3-8 · Normally a 25 per cent factor of safety is allowed in determining the thickener area size. Thus, in the above case, 8.87 (largest of three figures) plus 25 per cent factor of safety, equals 11.09 square feet area required per ton of dry solids fed to the thickener per 24 hours.

Open vs closed thickener feedwells

2008-9-26 · When the world''s first SUPAFLO high-rate thickener was built in 1986, the closed bottom feedwell design quickly redefined thickening and clarifying methods around the world.

Thickeners

2016-6-1 · 5′ to 20′ Diameter Thickener Thickener Designed with Beam+ Wooden Tank 22′ to 50′ Diameter Thickener Thickener Designed with Beam + Steel Tank

High-rate Thickener | FL

High-rate Thickener | FL

Thickeners and Clarifiers

With units of up to 100 m in diameter having been installed, the benefits of our DELKOR conventional, high-rate, high-density and paste thickeners include their low capital cost, smaller footprint, effective use of flocculants and advanced automation.

thickeners & clarifiers

2012-2-13 · • High Rate thickener (special feed well design) • High Density thickeners (deeper sidewall and more robust drive) • Paste thickeners • Ultra high rate thickeners Our units are available in a variety of sizes starting from 3ft diameter pilot scale to 300ft diameter. We …

TAILINGS DISPOSAL: AN APPROACH TO OPTIMIZE …

2012-9-6 · include a single 17 m diameter high-rate thickener and a flocculant make-up and dosing plant capable of dosing at a rate of 50 g/t. Tailings are transported to the tailings storage facility (TSF) at a flow rate of 233 m3/h and deposited by means of spigots from a …

Determining the Optimum Location of a High Rate …

thickener, and returning the overflow water to the process plant. • Locating the thickener at the process plant and pumping the thickener underflow to the TSF. 2. STUDY BASIS 2.1. Scenarios The study considers the costs of the following systems shown in Figure 1: • Thickener feed system to a 15 m tall high rate thickener.

Most common problems in thickener operations (part 1)

These specifications commonly have high variability and are required to adjust to the programmed processing tonnages during the life of the mining project. Thickener area. The thickener area depends on the mineral sedimentation rate (m2/t/d) or the specific feed rate …

Beginners guide to thickeners

2017-6-16 · In high rate thickener (HRT) designs the rise rate or solids loading will dictate the required tank diameter for any given throughput. In high compression (HCT) and paste (PT) applications the bed depth or the mass of solids in the thickener must also be selected to ensure the desired underflow density from the thickener is achieved.

high rate thickener for iron ore for gold mining in ukraine

2020-9-27 · high rate thickener for iron ore for gold mining in ukraine ... are available in both bridgesupported and columnsupported designs We offer beam or trusstype bridges depending on thickener diameter In the bridgesupported design suitable for thickeners up to 50 m in diameter the drive is supported by the bridge driving the rakes with a centre ...

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…

High-Rate Thickeners | McLanahan

High-Rate Thickeners, or Clarifiers, recover immediately reusable process water for mineral and aggregate producers, as well as environmental contractors. Thickeners are beneficial in a variety of applications, including areas where water is in short supply or very expensive, re-circulated water is not suitable for reuse in a plant, ponds are located on minable reserves, or ponds must be ...

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