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In the hydrometallurgical thickening production process the feed pulp concentration in thickener is difficult to accurately measure online and thus soft sensor by constructing an estimation model that takes auxiliary variables as input and dominant variables as output has been proposed as an effective solution Deep learning which has excellent learning ability has been introduced in
·This process mainly consists of clarification of the thickener overflow thickening of cyclone overflow by the thickener and centrifugal thickening of thickener bottom flow For the pulp that has fine particle size or contains large amount of dispersant pretreatment is needed before thickening pH value is adjusted or another additive
·By controlling flocculation and solids inventory the thickening process is stabilized and consistent optimum; underflow density can be achieved through manual optimization Flocculant dosing Flocculant dosing should be matched to the mass flow to the thickener with the rate adjusted to suit the ore being processed
·A finite difference numerical method is used to calculate concentration profiles of the transient settling process including the filling up and emptying of a thickener View Show abstract
Measured data in industrial production inevitably contain stochastic errors that are influenced by the environment and equipment and the stochastic errors will reduce the accuracy of the measured data Thickeners are widely used in mineral processing and sewage treatment but the accuracy of the variables of the thickener process cannot meet the requirements caused by
The Thickener EFK is a solid and flexible all rounder Due to its strong design the Thickener EFK is insensitive to any process variations Fluctuating inlet consistency and changes in furnish are handled easily Unlike conventional gravity drum thickeners the Thickener EFK contains circular ring dewatering segments
The ANDRITZ HydroDrain is a compact gravity thickener insensitive to changes in process conditions such as throughput and inlet consistency Benefits of the HydroDrain pressure fed bow screen for various separation and fractionation applications in the pulp and paper industry It can be used for fiber recovery thickening solids removal
·Abstract This study focused on the intelligent model for ore pulp density in the hydrometallurgical process However owing to the limitations of existing instruments and devices the feed ore pulp density of thickener a key hydrometallurgical equipment cannot be accurately measured online
Decker thickener belongs to pulp thickening equipment It is used for pulp dewatering thickening and washing with a low concentration in pulping and paper making industry and it is not only suitable for dewatering and thickening the wood pulp cotton pulp and straw pulp but also for filtering and thickening the fibrous suspension of other varieties in non papermaking industry
builds up the pulp plug quickly after start up and releases the pulp when the proper consistency is achieved The ring pressure can be adjusted to fine tune discharge dryness 100% FILLING DEGREE The VST utilizes gravity to achieve 100% filling degree 100% of the screen area is used for dewatering The
·The pulp is then taken to Decker thickener where the wastewater is removed and pulp is thickened Since the kappa number is the main factor which governs the demand of chemicals required for bleaching of the pulp the process was modified to achieve maximum possible delignification during cooking of raw materials and now most of the
·Wood pulp is produced by three main processes Mechanical forces in the presence of water mechanical pulping The process involves passing a block of wood usually debarked through a rotating grindstone where the fibres are stripped of and suspended in water; Chemical pulping utilises significantly large amounts of chemicals to break down the wood in
6 ·3 High Efficiency Thickener In addition to the inclined plate installed in the thickener the high efficiency thickener has a special flocculant adding mechanism The diameter of the thickener can be reduced to 1 / 3 1 / 2 of that of the common thickener and the floor area is only 1 / 9 1 / 4 of that of the common thickener
·Formulation of new biodegradable lubricating greases using ethylated cellulose pulp as thickener agent Author links open overlay panel Martín Alfonso N Núñez C Valencia Franco Díaz Show more Ethylation process of cellulose pulp to obtain gel like dispersions could be a suitable process to formulate renewable and
The thickening process is the primary method of producing high solids slurries for the minerals industry Thickener outputs can accommodate a range of tailings disposal options from low yield stress easily pumped suspensions for disposal in conventional wet tailings dams to more concentrated slurries for
This article provides an overview of pulp cooking a critical process in the paper and pulp industry The article discusses the different types of pulp cooking methods their properties and their impact on the environment It also highlights the future of pulp cooking and the industry s efforts towards sustainability
·The thickening process is subjected to the feed flow and material quality perturbations parameters that require to be controlled The objective of control is to keep a stable % of solids in the thickener underflow discharge while the internal layers of clear water pulp interface and thickened mud bed layer figure 1 are kept in defined ranges and the
Along with the increasing market demands Anyang Machinery constantly satisfies customers by renovation equipment inaugurating technology Our pulp washing equipment has exported to Russia Southeast Asia and other regions Flow chart of paper pulp washing process Pulping washing process There are different methods available for pulp washing
·There are 4 types of thickeners in mineral processing plants rake thickener efficient thickener tilted plate thickener and deep cone thickener
·Schematic diagram of a carbon in pulp or carbon in leach plant with three tanks showing the interstate screens IS the screen at the exit of the first tank S and the carbon transfer pumps P
·The continuous thickener is a typical device that has not changed much since Dorr invented it in 1905 They have become larger and are built of different materials such as wood steel or cement and their raking system has been improved and modernized but their elements continue to be the same Figure shows the original Dorr thickener The
·The flux of the pulp with the plant solids concentration 10% by weight was 60% lower than that of the pulp with 4% solids A thickener with a diameter of 22 m based on the dilution of feed
We can also produce gravity disc thickener and a series of paper pulp bleaching equipment All of the equipment are manufactured according to international standards Meantime we can provide professional one stop service from bleaching equipment design to installation and maintenance Flow chart of paper pulp bleaching process Pulp bleaching
