The conventional full tailings thickening process was improved by using the design of high-efficiency deep cone thickener and vertical sand silo. ... nonionic flocculant. In the dynamic thickening ...
Deep cone thickeners, also known as deep bed or deep cone clarifiers, are suitable for applications that require both high underflow density and efficient clarification of the supernatant liquid. ... Dilution control mechanisms, such as flow control valves or pumps, should be employed to achieve the desired feed dilution rate. 2. Flocculant ...
The utility model discloses a flocculating agent dosing system of a mining deep cone thickener, which comprises a flocculating agent box body and a storage box communicated with the side part of the flocculating agent box body, wherein the storage box is used for conveying mixed flocculating agent to the deep cone thickener for flocculation through …
1. Optimized Feedwell Design: The feedwell is critical for even distribution of the incoming slurry. Consider optimizing the design to ensure proper mixing and distribution of flocculants and feed ...
paste thickening. Our Deep Cone® thickeners produce underflow solids with the highest solids concentration of any thickener on the market. — The deep tank design …
The flocculant flow rate is then calculated using ratio control based on Eq. (3), where the flocculant addition is based on the feed slurry properties. The PI control parameters are estimated using the Broïda method and validated based on the Ziegler–Nichols method [38]. 3.4. Control architecture
A Deep Cone Silo is both a Water Clarifier and a Mud Thickener in one.. They are based on the principle of static decantation with no moving parts and boasting a minimal footprint. The head pressure created by the Deep Cone and cylinder section allows the flocculated slurry to reach a higher percentage of solids (ie thicker mud) than that of a standard rake …
Higher underflow density. Exceptional overflow clarity. Low OPEX. Get simple and reliable thickening with Deep Cone® Thickeners. The Deep Cone Thickener is a critical piece …
1. Pilot Scale Deep Cone Thickener The height of the pilot thickener was 2 m and the diameter was 1.375 m. More details are shown in Fig. 1 and Table 1. Feed is in-jected in a feedwell at the top of the tank. Overflow is collected by a deposition pool. The schematic of the pilot thickener flow cycle is shown in Fig. 2. Fig. 1. Pilot scale deep ...
The deep cone provides a smaller footprint than a rake style thickener saving space on site. The thickened sludge underflow can reach solids content of over 50%. With no moving parts there is minimal servicing …
deep cone thickeners are designed and constructed to give optimum performance and reliability in even the toughest applications. The deep cone provides a smaller …
There is no inter-stage pump between wetted Flocculant and storage, instead the Flocculant is transferred via a dart valve. Our Flocculant make-up utilizes static mixing of concentrate Flocculant and dilution water. If you would like a more detailed description of our Flocculant Make-Up Plants please visit our Literature section. back to top of ...
Deep Cone® paste thickeners for ultimate underflow solids concentrations EIMCO Deep Cone paste thickeners produce underflows concentrated to near their limit of …
The original concept of the deep cone thickener was developed in the 1960's using a steep angled cone and thickener bed to increase underflow density. Over the years, this thickening technology has evolved to produce a non-settling solids suspension with underflow concentrations much higher than what is produced with conventional or high …
Continuous thickening simulations by computing PDEs at various flocculant dosages were conducted to analyze the effect of flocculant dosage on the underflow concentration in the ICT. The compression effect and cone shape at the thickener bottom were not considered in the ICT, and the concave shape of a solid …
A novel thickening equipment known as a wide neck thickener (WNT) was designed to solve the problem of depending only on gravity settlement of the thickener. The computational fluid dynamics method with the Reynolds stress and the volume of fluid models and the particle image velocimetry experimental method were both applied to …
ANDRITZ EcoSET is a cost-efficient thickener range that handles light- to medium-duty solid-liquid separation. With its plug-and-play control system, the ANDRITZ EcoSET …
Package thickener control system s are being ... Shahrebabak Copper Complex Deep Cone Thickeners ... I. 2013. " Advances in Thickener Flocculant D elivery". MetPlant 2013, AusIMM. ...
Deep Cone Water Clarifier, or decanter clarifiers, are a type of vertical thickener used in the clarifier wastewater treatment process. Unlike the filtration carried out by the filter press, the clarification is a continuous process that separates water from the solid particles suspended into it.
We investigated the axial and radial solids concentration distribution at discontinuous state in a pilot deep cone thickener as a function of bed height and residence time. The feed flux of lead/zinc tailings was 0.254 t·h−1· m−2 with a flocculant (high molecular weight anionic polyacrylamide) dose of 20 g/t. The thickened solids bed …
A Short History of Deep Cone Thickener Development F.R. brunn Dorr-Oliver Eimco, USA ABSTRACT Deep cone type thickeners were first conceptualised in the 1960s. Work was done to develop the concept by the British National Coal Board, but the goals at that time were never achieved. Developments in flocculant
As one of indispensable means of efficient solid-liquid separation, the deep cone thickener ... as the times require especially since 1950 s. This technology is that: under the condition of adding chemical agents (flocculants, etc.), some mine waste rocks, mineral processing tailings, smelting solid wastes, and other feeds surrounded the …
The cylinder body of the deep cone thickener is conical, and the bottom part of the cone is provided with a sand discharge valve for sand discharge and drainage in case of accident or maintenance.
Rapid dewatering and thickening of whole-tailings with ultrafine particles is one of the most important processes for the whole-tailings paste preparation. Deep …
The Deep Cone Thickener performance allowed the CCD circuit to be reduced from 6 thickeners to 5 while maintaining the desired recovery. Some of the circuit features include partial
easy to thicken the whole-tailings slurry to paste [4]. Nowadays, deep cone thickener (DCT) has been developed for the whole-tailings thickening and flocculant is used for the whole-tailings flocculation settling. It is necessary to study the flocculation settling and thickening performance of whole- tailings particles in DCT [5].
The TPH Deep Cone Thickener is perfect for lower. flow applications and portable wash plants. It achieves high density underflow solids and has an integrated cyclone support structure. This system automatically discharges the high-density underflow. solids through an automated pneumatic pinch valve system. Flow capacity up to 2500 GPM in a ...
Wa has been designing and engineering thickeners since 1965 for a range of industrial and mining applications. Wa's designs are backed by our own laboratory capability and pilot thickener plant allowing Wa to continually develop state of the art technologies for specific applications. Wa offers conventional thickeners, Hirate thickeners, Ultra …
Through three-dimensional numerical simulation on the whole-tailings flocculation and settling in deep-cone thickener using computational fluid dynamics (CFD)-PBM, the distribution of density and ...
The Thickener Optimizer utilizes measurements available from the process, and manipulates the underflow pumping rate and flocculant dosage to maintain a stable …
DOI: 10.1016/j.jece.2024.112168 Corpus ID: 267589855; Flocculation, dewatering and sedimentation behaviour of mine backfill slurry in deep cone thickener (DCT) @article{Wang2024FlocculationDA, title={Flocculation, dewatering and sedimentation behaviour of mine backfill slurry in deep cone thickener (DCT)}, author={Leiming Wang …
Laboratory testing with a high rate thickener has shown the importance of feed solids control to thickener and flocculant performance (Table 4). In the preoxidation as well as CCD thickeners, testing has demonstrated that an optimum feed solids level can be attained which will maximize thickener performance while minimizing flocculant …
The deep cone thickener is the key equipment in the paste disposal technology. The height to diameter ratio is an important factor which influences the thickener's underflow concentration.
We investigated the axial and radial solids concentration distribution at discontinuous state in a pilot deep cone thickener as a function of bed height and residence time. The feed …
Flocculation is important in the thickening process to improve the underflow concentration in thickeners for tailing suspensions. Traditional zone settling velocity (ZSV) functions ignore the effect of flocculant dosage on the ZSV and the thickening behavior of thickeners. To investigate the effect of flocculant dosage on the settling flux function, a …
deep cone thickeners are designed and constructed to give optimum performance and reliability in even the toughest applications. The deep cone provides a smaller footprint than a rake style thickener saving space on site. The thickened sludge underflow can reach solids content of over 50%. With no moving parts there is minimal servicing