This study focuses on the deep cone thickener underflow density improvement. The high-precision CT scanning and three-dimensional reconstruction technology were used to explore the pore structure ...
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The use of mechanical devices, such as rakes and pickets, to "work" the compacting slurry. Deep cone thickeners were originally developed to take advantage of advances in flocculant technology. Good flocculation is a key to the successful operation of a DCT and conditions which promote this action should be followed.
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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 ...
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When the bed height increased from 2.5 to 10 cm, the porosity increased from 35.1% to 41.9%, the pore fractal dimension increased from the range 1.8–1.95 to the range 2.1–2.15, and the pore quantity decreased by 21.39%. The average pore volume increased with increasing height by 13.93%, 16.57% and 12.07%.
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Mechanical model of scraper rake torque in deep-cone thickener. Liu Xiao-hui. Published 2012. Engineering, Materials Science. Based on the impact on rake operation of different height and concentration of tailings in the thickener,the stress of rake was analyzed,and a torque model with complex structure rake was proposed.According to the …
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Finally, adopting the model, the driving parameters of a deep-cone thickener used in a mine were checked. The results show that the max torque is 633.8086 kN·m, which exceeds the shutdown ...
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The Φ5m×8m deep cone thickener developed by China University of Mining and Technology is used in coal washing plants. When the feed concentration is 40 g/L, the processing capacity reaches 70 m3/h, which is 6-8 times higher than that of ordinary thickeners. The Beijing Research Institute of Chemical Metallurgy of the Nuclear …
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Deep cone thickener (DCT) is the key equipment in cemented paste backfill (CPB), so it is essential to study the flocculation settling and thickening characteristics of the whole-tailings in DCT. Coupled with population balance model (PBM), computational fluid dynamics (CFD) was used to study the characteristics, namely particle size …
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The Deep Bed Paste Thickener can thicken a tailings stream to non-settling paste at solids concentrations approaching that of a filter cake. Design characteristics of the Deep Bed™ result in maximum water recovery, maximum underflow density, and paste with minimal slump. An extra heavy-duty high torque drive powers the raking mechanism ...
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Get simple and reliable thickening with Deep Cone® Thickeners The Deep Cone Thickener is a critical piece in optimising your sedimentation performance. This …
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using thickener overflow taken from the overflow s • Consistent underflow quality • Efficient washing in CCD circuits ANDRITZ DEEP-CONE SETTLER The ANDRITZ deep-cone settler is designed for heavy duty activities, mainly for applications above and below ground. It is very simple to operate and provides the following features and benefits:
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Figure 4 – "Donutting" of a 30 metre gypsum – metal hydroxide thickener. ... Shahrebabak Copper Complex Deep Cone Thickeners." IMPC, 20 12, Paper 98. Fawell PD, Owen, ...
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Deep cone thickener control problem is a key point of Tailings paste fill (TSF). This paper presents a new method to extract inherent and practical parameters of the thickener, and determine control strategy based on thickening process data mining. Bypassing difficulty in deep cone thickener modeling, the proposed method could obtain practical control …
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The Deep Cone Thickener maximises pulp concentration while also producing non-segregating underflow slurry with a paste consistency. We have more than a century of experience in sedimentation and flocculation technology and we have installations in more applications across the world than any of our competitors. The success of your operation …
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Deep Cone™ thickeners are now in operation, producing pastes of over 70% solids, suitable for both mine backfill and surface stacking. This paper will review the theory, technology and operational performance of the Deep Cone™ thickener. Within the mineral industry there is a need to eliminate the dependency on tailings dams for water ...
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Deep cone thickener also called paste thickener is higher than other thickeners which consists of deep cone, feeding device, stirring device, control box, reagents adding device, automatic control system, etc. …
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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 …
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The hierarchical cone thickener is a critical device for paste filling in the mining industry ( Fang et al., 2022, Huan et al., 2019, Tan et al., 2015 ). The current mining and paste-filling industry still faces some thorny challenges. For example, the underflow concentration of the cone thickener system (CTS) directly determines the quality of ...
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Deep cone thickener (DCT) is the key equipment in cemented paste backfill (CPB), so it is essential to study the flocculation settling and thickening characteristics of the whole-tailings in DCT.
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Metal ions and flocculants work synergistically to enhance thickening and ... The thickened tailings illustrate consistency that can be achieved from the underflow of deep cone thickeners that would probably form relatively steep beach slopes if that consistency could be maintained over the long term. ... Iran. J. Sci. Technol. Trans. Civ. Eng ...
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Deep cone thickener (DCT) is the key equipment in cemented paste backfill (CPB), so it is essential to study the flocculation settling and thickening characteristics of the whole-tailings in DCT.
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The new thickening process composed of a high-efficiency deep cone thickener and a vertical sand bin can not only maintain the stability of the underflow …
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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 …
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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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the distribution of density and turbulent kinetic energy in deep-cone thickener were obtained, at the same time the spatio-temporal changes of whole-tailings floccules particle size distribution are analyzed. Finally, the major flocculation position in deep-cone thickener is found and the flocculation settling rules of whole-tailings are achieved.
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EPC thickener project, Mining thickener includes : deep cone thickener, Inclined plate settler thickener, Central thickener and Peripheral transmission thickener etc. Mining Thickener, staurk. It is widly used in oil extraction, mineral processing, coal washing, metallurgy, chemical industry, papermaking, textile, environmental protection ...
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In thickening, the tailings slurry concentration increases from less than 30wt% to approximately 70wt% after flow through the deep cone thickener (DCT, also called paste thickener), and the ...
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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 …
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The diameter is 3 to 100 m and the depth is 2 to 4 m. JXSC provides another type of drum high-efficiency thickener, and other dewatering machines you may interest in. Advantages: The mineral thickener is a center drive thickener, which is traditional thickening equipment with a history of the earlier application.
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Floor slope up to 45 degrees. Self-diluting feedwell. Diameters to over 20 m. Rake mechanism with full-length dewatering pickets. Typical Duty Rated Torque to over 1,000,000 ft-lbs. Our Deep Bed Paste Thickener for tailings applications provides maximum water recovery, maximum underflow density, and paste with minimal slump.
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