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A predictive algorithm of steady state thickening proposed by Usher was introduced and a rakeless deep cone thickener model was constructed to analyze the effect of flocculant dosage underflow concentration and mud height on solid flux and solid throughput
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
·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 series
·Some flocculant and tailings particles are added to the top of the DCT and tailing feeds and flocculant are preliminarily flocculants including inorganic flocculants organic flocculants and microbial flocculant and composite flocculant This process is particularly important for the subsequent flocculation and sedimentation
·DCT220 deep cone thickener; FDU 3000 flocculant dosing unit; Central control cabin; Stockpiling conveyors; Terex Washing Systems designs and manufactures a range of feeders from H9 to H30 including static grids available in multiple spacings The hopper volume of the H30 is 30m3 with an internal breaker bar to relieve the load on the belt
1 ·Waterex has been designing and engineering thickeners since 1965 for a range of industrial and mining applications Waterex s designs are backed by our own laboratory capability and pilot thickener plant allowing Waterex to continually develop state of the art technologies for specific applications Waterex offers conventional thickeners Hirate thickeners Ultra Hirate
·Gravity thickening by deep cone thickener is popularly applied in cemented paste backfill which is essential for tailings management and green mining interparticle interactions should be adjusted by control pH and flocculant dosage to achieve high concentration and high flowability underflow to avoid rake bogging in a deep cone thickener
A Deep Cone Silo is both a Water Clarifier and a Mud Thickener in 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 thickener
·In the past few decades thickeners have been undergoing technological changes and innovations in harmony with the advances in flocculant chemistry Jewell et al 2002 Paste thickeners also known as deep cone thickeners by some manufacturers Schoenbrunn 2011 have gradually gained acceptance in the mining industry Hernandez et al 2005
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 rules also has
For the smooth operation of the deep cone thickener the underflow concentration was affected by some key controls including the operating rate of the thickener the settled bed flocculant dosage dilution water volume outlet slurry flowrate of the feeding pumps and etc Currently the thickening system can produce
·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
·Thickener modernizations upgrades and retrofits Restore your thickener to its original condition or upgrade for increased performance Improve performance and extend the life of equipment by upgrading your aged thickener The thickener bridge and mechanism are often upgraded in conjunction with the entire feed system Upgrading these
In addition with the progress of solid liquid separation technology a variety of high efficiency thickeners such as deep cone thickener inclined plates or inclined tubes thickener and centripetal radial flow thickener have been created Flocculant is added to speed up the settling rate of solid particles; 2 inclined plate is set to
Cemented paste backfill CPB can effectively eliminate the risk of dam break in goaf and tailings pond which used tailings waste Deep cone thickener DCT is an efficient machine for the system
·Mathematical relationship between the solid flux of deep cone thickener flocculant unit consumption and slurry concentration WANG Yong CAO Chen WU Ai xiang [J]
·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 thickener also named paste thickener is an important equipment in industrial mining process especially for sustainable mining environment protection underflow concentration prediction is the top priority for further system control The current thickener system is highly depending on massive integrated sensors to monitor and
·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 consumption
·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
·A submerged ultrasonic interface instrument and process control system can also be used to intelligently monitor the deep cone thickening process of tailings achieving intelligent monitoring of the deep cone thickening process of tailings which can improve the overflow water content and underflow concentration and optimize the flocculant
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
·Tailings thickening is an important process of paste filling technology At present a deep cone thickener is often used for tailings thickening The sedimentation rate of tailings affects the solid flux of the deep cone thickener and determines the area occupied by the deep cone thickener At present the addition of flocculant to tailings has become a common
6 ·THICKENER TANKS Terex Washing Systems offers a range of thickener sizes and types to suit a variety of materials and applications The TWS Applications team balance the client s needs in terms of material type and slurry volume desired sludge characteristics in order to propose the best thickener for each project
