HINDUSTAN DORR-OLIVER LIMITED

In India, Dorr-Oliver has sustained its presence since 1912 when it sold the first Dorr Rake Classifier to Kolar Gold Company opened in Mysore which was then imported. In 1946 the company opened an office in Mumbai from where it grew by leaps and bounds in its operations.

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About the Oliver Mining Company | Missabe Railroad ...

About the Oliver Mining Company . Submitted by MRHS on Sat ... Sherman, Rouchleau, Stephens and Pioneer. Rake and screw classifiers were used. Ore Crushing & Sizing. Crushing and sizing plants were built at Hibbing (Rust Crusher which was erected in 1920), ia (Rouchleau Crusher), Sherman, Gilbert, Trout Lake and Stephens.

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J+A Crossflow® Grit Removal - Ovivo

The J+A Crossflow grit removal unit is typically installed between medium and fine screens to capture abrasive material. It features a wide, shallow and square collection tank with a series of vertical baffles to assist in the equal distribution of the flow entering the tank. This design forms a recessed circular sump. Solids accumulate herein and are transported by a scraper to a collection ...

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Patents Assigned to Dorr-Oliver - Justia Patents Search

Abstract: A screen assembly for use with a solids-liquid separation screen device that allows for simply replacement or adjustment of the screen assembly. The screen assembly includes an arcuately shaped screen held between pair of side panels. When installed, the screen assembly rest on a ledge formed on the inner walls of the solids-liquid separation device housing.

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(PDF) Particle separation and classification

Apr 28, 2007· slope of rake classifiers is usually less steep than . ... Oliver Incorporated (Stamford, CT) assignee. Rake . classifier. US patent 4853115. 1989. [49] Hukki RT, inventor Insinooritoimisto .

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US1870409A - Classifier - Google Patents

US1870409A US372202A US37220229A US1870409A US 1870409 A US1870409 A US 1870409A US 372202 A US372202 A US 372202A US 37220229 A US37220229 A US 37220229A US 1870409 A US1870409 A US 1870409A Authority US United States Prior art keywords unit rake units classifier deck Prior art date 1929-06-19 Legal status (The legal status is an assumption and is not a legal …

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Before - Dorr-Oliver Alumni

Dorr-Oliver's latest shop improvement is the replacement of the sand blast booth. The new ... Terry tells me the assembly was actually easier than smaller rake classifiers, and that, aside from some modifications, the assembly went rather well. We all look forward to shipping this order, except for Karl Guenther and crew, in order to have ...

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Difference Between Clarifier and Thickener

The Difference Between a Clarifier and a Thickener is subtle as they will visually look the same. Fundamentally, thickeners and clarifiers are both used to settle solids which results in the separation of liquids and solids. Thickeners are used to concentrate solids, while clarifiers are used to purify liquids. A thickener will give you a high density underflow while a clarifier will not.

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rake classifier

Rake Classifier - Metallurgist & Mineral Processing Engineer. The rake classifier (Figure 9.18(a)) uses rakes actuated by an eccentric motion, which causes them to dip into the settled material and to move it up the incline for a short distance. The rakes are then withdrawn, and return to the starting-point, where the cycle is repeated.

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Classification On Dorr Oliver

rake classifier - CGM Mining Solution | Rake classifier - Dorr-Oliver Incorporated. Dorr-Oliver rake classifier The Dorr-Oliver rake classifer for dewatering solids .Classification. When rakes are used in place of spirals, the classifiers are called Rake classifiers. These are less common than spiral classifiers. Read more

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classification on dorr oliver - ferronneriedelacourt.be

rake classifier process - nppthakurdwarain. FL's Dorr-Oliver® rake classifier is a rectangular classifier tank with an inclined channel, and equipped with a reciprocating raking mechanism which, View More Rake Classifier - Tuke & Bell Ltd. More Info; Dorr-Oliver ODS Pumps - Cortech Engineering

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US5368731A - Vacuum assisted slaker classifier - Google ...

US5368731A US08/131,322 US13132293A US5368731A US 5368731 A US5368731 A US 5368731A US 13132293 A US13132293 A US 13132293A US 5368731 A US5368731 A US 5368731A Authority US United States Prior art keywords slaker tank ramp grit classifier Prior art date 1993-10-04 Legal status (The legal status is an assumption and is not a legal conclusion.

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HINDUSTAN DORR-OLIVER LIMITED

AN ISO 9001:2008, 14001:2004, OHSAS 18001:2007 Certified Company

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HINDUSTAN DORR-OLIVER LIMITED Annual Report 2002-2003

Oliver Limited this year. The Dorr-Oliver Company started its operations in India in 1912 by supplying a Rake classifier — a special equipment for gold bleaching to Kolar Gold Mines. It was founded by two remarkable entrepreneurs, Mr. J V N Dorr and Mr. E L Oliver, during the Gold Rush days in America. The

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US2191743A - Classifier mechanism - Google Patents

It is among the advantages that a, steep-slope classifier according to this invention combines with a rotarygrinding mill to make a compact closed circuit grinding system for metallurgical or other similar purposes, inasmuch as the steepslope construction of the classifier permits the point of rake discharge to be located close to and ...

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Rotary Vacuum Drum Filter | Filtration | Chemistry

of rakes is harmonically moving. The motion alternately raises and lowers each set of rakes synchronously with their forward and backward movement giving maximum output with a minimum input by enjoying the inertia. Screw Classifier Screw classifier serves similar application like rake classifier but with very high solid

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Samir Amburle - SENIOR PROCESS DESIGNER - Worley | LinkedIn

View Samir Amburle's profile on LinkedIn, the world's largest professional community. Samir has 8 jobs listed on their profile. See the complete profile on LinkedIn and discover Samir's ...

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AllMineral allflux. fluidised bed separator ...

Jun 19, 2011· AllMineral allflux. fluidised bed separator - MiningExclusive.com ... Hosokawa Alpine Ball Mill and Classifier ... PR Coperion Recommended for you. 1:34. How To Rake (Bag) Leaves - the …

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solutions for the mining industry. Eventually, they got together to form Dorr-Oliver; a name synonymous with thickeners and filters. Dorr-Oliver entered the Indian market through sale of their rake classifier to Kolar Gold company in 1942. After becoming a public limited companv,' in India and passing many hands, HOO was finallv bought over by ...

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Rake Classifier - Mineral Processing & Metallurgy

The rake classifier (Figure 9.18(a)) uses rakes actuated by an eccentric motion, which causes them to dip into the settled material and to move it up the incline for a short distance.The rakes are then withdrawn, and return to the starting-point, where the cycle is repeated. The settled material is thus slowly moved up the incline to the discharge.

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Rake classifier - Dorr-Oliver Incorporated

Aug 01, 1989· A rake classifier comprising a tank having side and end walls, a rake structure, an electric motor having a motor shaft and motor-driven means for imparting raking movement to said rake structure, said rake structure positioned in said tank and having two pairs of upstanding hanger elements spaced along the length of said rake structure, said ...

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Hindustan Dor Oliver Limited - About Us

Early 1900's invention of Dorr Oliver Thickner - the first mechanically equipped, continuos sedimentation unit. Rake Classifier invented in 1904 by Dorr Oliver - the first electromechanical major ore dressing device in the world. First continuous Vacuum Drum Filter. First Counter-Current Decantation system for mineral processing.

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FL REFLUX® Classifier - YouTube

Jul 24, 2015· The REFLUX classifier incorporates the new 'laminar high shear rate' mechanism: the latest in fine particle gravity based separation technology. This, along with advancements in channel ...

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AllMineral allflux. fluidised bed separator ...

Jun 19, 2011· AllMineral allflux. fluidised bed separator - MiningExclusive.com ... Hosokawa Alpine Ball Mill and Classifier ... PR Coperion Recommended for you. 1:34. How To Rake (Bag) Leaves - …

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Rake Classifier - YouTube

Aug 19, 2015· A rake classifier is a rectangular classifier tank with an inclined channel, and equipped with a reciprocating raking mechanism which transports the settled solids towards the upper discharge end ...

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THE HISTORY OF DORR-OLIVER

THE HISTORY OF DORR-OLIVER . Dorr-Oliver began at the turn of the 20th century as two one-man operations, backed by ... Dorr's solution was to invent a reciprocating rake classifier to replace inadequate classifying cones. It was accepted virtually immediately and …

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US4853115A - Rake classifier - Google Patents

Referring to FIGS. 1-4 there is illustrated a rake classifier 10 including a tank 11, a rake 12 and rake actuating means 15. The tank 11 has an inclined bottom 16, side walls 17 and end wall 20 with outlet 23 therein. The tank 11 is supported by piers 21 which contact inclined bottom 16.

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classification on dorr oliver - dietcoachcenter.it

THE HISTORY OF DORR-OLIVER Dorr-Oliver began at the turn of the 20th century as two one-man operations, backed by, The Dorr Company had been losing money because of faulty classification of gold ore and Dorr's solution was to invent a reciprocating rake classifier to replace inadequate classifying, Today more than 600 Dorr-Oliver .

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ippe sechand rake classifier - windsunglas.nl

FL - Dorr-Oliver rake classifier. FL's Dorr-Oliver® rake classifier is a rectangular classifier tank with an inclined channel, and equipped with a reciprocating raking mechanism which transports the settled solids towards the upper discharge end. LINER swathers - Forage harvesting | CLAAS

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Hindustan Dor Oliver Limited - Manufacturer from Kolkata ...

Early 1900's invention of Dorr Oliver Thickner - the first mechanically equipped, continuos sedimentation unit. Rake Classifier invented in 1904 by Dorr Oliver - the first electromechanical major ore dressing device in the world. First continuous Vacuum Drum Filter. First Counter-Current Decantation system for mineral processing.

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