Dorr thickener pdf file download

One of the keys to produce paste or thickened tailings from a thickener is to ensure. During the retention time, the heavier particles settle out and thicken at the bottom of the tank as a result of gravitational forces. An innovation is the dorroliver eimco ecat thickeners which has dispensed with the rakes and. Your door was always open for me to discuss any issues i. Tanks are dorr knows how the first conventional thickeners used in the.

Readers may only download, print and save electronic copies of whole works for their own. It starts with the early design of the dorr thickener and describes the progress made in understanding the process. Dorr oliver pulse transfer thickening a cost effective solution to sludge dilution problems in wastewater treatment plants lic resistance and the net result is more and more dilution as the pumping cycle continues. Settlingthickening tanks are used to achieve separation of the liquid and solid fractions of faecal sludge. A button that says download on the app store, and if clicked it. A p p l i c a t i o n g u a r a n t e e a higher level of performance application reference improving the efficiency of ccd thickeners in gold and goldcopper mining processes. Thickener type underflow density required rheology so, you need to check with clever process guys at mip before using a value now, t torque k x d2 where t max operating torque in ft. Modeling the effects of ore properties on water recovery in the. The invention of the dorr thickener clarification and thickening involve the settling of one sub stance in solid particulate form through. Poor solidliquid separation functions can threaten the overall performance of your processing plant. Call it what you will dilution, postholing, ratholing, coning it becomes a serious and expensive problem. It is defined as a method of continuous dewatering of a dilute pulp, wherein a.

The objective of water recovery in thickener is to thickener area to have lower pressure depth, appropriate increase the solids concentration at the underflow to. Photograph of a basin thickener installation dorroliver eimco. Del mobile clarifier and thickener tanks del corporation. As solids are collected at the bottom of the tank, the liquid supernatant is discharged through the outlet. It starts with the early design of the dorr thickener and describes the progress made in understanding the. Eimco, flsmidth, dorroliver, phoenix, lamella and westech are popularly used. Thickener is polyurethane, hydroxyethyl cellulose, carboxymethyl cellulose, modified. This is duo to the fact that thickeners are limited by permeability and compressibility in operating. Data analysis is completely manual and hence time consuming. Flsm powerpoint presentation template flsmidth logo. Pdf thickener waste management in mineral processing to. Design of laboratory and commercial equipment commonly used for the separation of coarse solids in a. Buckeye coal company, nemacolin mine, nemacolin, greene county, pennsylvania. With our efficient feed dilution and flocculation technology, we provide superior thickening performance in the form of better overflow clarity and higher underflow densities, while minimising your operating expenses.

World leader in thickener design and installation for big plants 125m traction thickener collahuasi,chile eimco and dorr oliver thickeners. Photograph of a basin thickener installation dorr oliver eimco. Dorr oliver eimco pdf in august of, dorr oliver and eimco joined the worldwide operations of flsmidth minerals, complementing their cement and minerals divisions. Feed slurry enters the feed well, which is usually located in the centre of the thickener, through a pipe. Optimisation of thickener performance semantic scholar.