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To improve the filling efficiency and ensure mining safety, these stable thickening underflow, flocculation mechanism, dewatering behaviour, and its regulatory methods brought about by this complex deep cone thickener (DCT) are the central issue that this paper needs to focus on the reviewing, exploring and understanding.
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In 1993, Alcan had 30 deep cone thickeners operating in its alumina factories. The Alcan Deep Thickener was introduced by Eimco (now Fl) in applications outside the field of alumina, licensed in 1996, being marketed as "Eimco Deep Cone Thickener" (Slottee et al., 1999 and Tao et al., 2010).
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Gravity thickening by deep cone thickener is popularly applied in cemented paste backfill, which is essential for tailings management and green mining. To avoid rake bogging, high concentration and high flowability are required for thickened tailings slurry. These properties depend critically on the yield stress of the slurry.
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The Canada deep cone thickener market segmented by application showcases robust utilization across various industries. In mining, these thickeners are integral for efficient tailings management ...
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The conventional full tailings thickening process was improved by using the design of high-efficiency deep cone thickener and vertical sand silo.
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Mining environmental management primarily focuses on concerns over the impact of waste disposal on the surface, in the form of tailings and waste rock. ... The deep cone thickener is the key ...
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With the development of paste technology, deep-cone thickening technology had gradually matured and been successfully applied in mines. The replacement of one deep-cone thickener (or paste thickener) to the (vertical or horizontal) sand soil, (plate or vacuum) filter, etc. effectively simplifies system composition and increases …
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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
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The deep cone thickener shown in Figure 1.5 is again broadly similar in form to a conventional thickener, but the sides of the inverted cone have a much steeper angle, in the region of 37°. Units are available with diameters up to 15 m to process suspensions at throughputs as high as 70 m 3 h −1 .
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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, …
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High density and deep cone thickener technology has found numerous applications in CCD circuits where it has improved global efficiency allowing a reduction in the number of stages required and reduce the required diameter per unit. 318 Jean Claude Serbon et al. / Procedia Engineering 138 ( 2016 ) 314 â€" 318 Fig 3 : DCT Thickeners …
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Maximising the density at the deposit minimises the volume required for storage. Over the last three years, we have continued to engineer and supply large-diameter tailings thickeners into copper projects in South America, including the following high-rate (HRT), high-density (HDT) & deep-cone thickeners (DCT) under construction as of Q4 2020:
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FLS — Thickeners and Clarifiers 5 Deep Cone® paste thickeners for ultimate underflow solids concentrations EIMCO Deep Cone paste thickeners produce underflows …
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As the leading manufacturers of professional thickening equipment in the world, Xinhai has successfully developed various types of rake thickener, deep cone thickener and tilted plate thickener, which perfectly achieve free sedimentation among 20-3500 ㎡, and fully meet different demands of all kinds of ores and production sizes.
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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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Deep cone thickener is a type of gravity settling equipment for strengthening flocculation and hydrostatic pressure compression. It was invented by the British …
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The replacement of one deep-cone thickener (or paste thickener) to the (vertical or horizontal) sand soil, (plate or vacuum) filter, etc. effectively simplifies system …
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whole-tailings in deep cone thickener using CFD approach WU Ai-xiang()1, 2, RUAN Zhu-en()1, 2, LI Cui-ping()1, 2, ... technology, and is known as the new green mining technology in the 21st Century [3]. …
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Gravity thickening by deep cone thickener is popularly applied in cemented paste backfill, which is essential for tailings management and green mining. To avoid rake bogging, high concentration and high flowability are required for thickened tailings slurry. These properties depend critically on the yield stress of the slurry.
WhatsApp: +86 18221755073
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 …
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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 …
WhatsApp: +86 18221755073
As one of indispensable means of efficient solid-liquid separation, the deep cone thickener (DCT) has become an important gripper for treatment of mine wastes …
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The conventional full tailings thickening process was improved by using the design of high-efficiency deep cone thickener and vertical sand silo. ... Deep rock mechanics and mining theory. J ...
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Traditional thickener equipment is mainly used to deal with enterprises with coarse grinding particle size, easy-to-handle ore, large tailings pond, and no need to add chemicals. It is the most old-fashioned pulp thickening equipment. At present, domestic mining enterprises mainly use high-efficiency thickeners and deep cone thickeners.
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As the leading manufacturers of professional thickening equipment in the world, Yantai Group has successfully developed various types of rake thickener, deep cone thickener and tilted plate thickener, which perfectly achieve free sedimentation among 20-3500 ㎡, and fully meet different demands of all kinds of ores and production sizes.
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High-Rate Thickeners are used by the aggregate and mining industries, as well as environmental contractors, to recover approximately 85% of water for reuse. This high-level of water recovery keeps water …
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DEEP CONE THICKENERS 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%.
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Resource mining is a critical industry for societal development and progress. Raw mining products have been widely applied to many domains, such as aerospace and medicine. 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 ...
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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.
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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 ...
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