EIMCO-K.C.P. Offers Bridge mounted (B) type, Column Mounted (C) Type and Traction driven (T) type Classifiers mechanism for various applications. These operate on the common principle of moving settled solids to the center of principle of moving settled solids to the centre of the tank for removal, and differ principally in the method used to ...

The rake classifier. It is a mechanical classifier utilising rakes. The rakes are actuated by an eccentric motion to dip into the settled material and 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 The rakes are then withdrawn, and return to the starting-point, where the cycle is repeated; the settled material is thus slowly moved up the incline ...

Rake Classifier. The Rake Classifier is designed for either open or closed circuit operation. It is made in two types, type "C" for light duty and type "D" for heavy duty. The mechanism and tank of both units …

A bowl and rake classifier is typically used to separate coarse and fine particles of granular material temporarily suspended in water. The coarse particles settle to the bottom of the vessel and are scraped by a set of blades. The fine particles are carried over the edge of the classifier. This is how the offered rake classifier works. On the ...

Spiral classifiers. A typical spiral classifier is shown in Fig. 1. The geometry of a spiral is characterized by the length or number of turns, the diameter, the pitch and the shape of the trough (Burt, 1984). The spiral feed is a mixture of water and ground particles that is gravity fed at the top of the spiral.

The first two, the RAKE classifier and the SPIRAL or screw classifier work on the same principal, and are not often used any more. These two types were popular for many years. It wasn't until the development of the CYCLONE type classifier that their popularity faded. You may still find a few though, in the older mills and the mills that ...

Global Dossier; Discuss; 239000007787 solid Substances 0.000 description 50; 238000010276 ... inasmuch as the steepslope construction of the classifier permits the point of rake discharge to be located close to and sufficiently high above the feed end of the mill to permit substantially direct gravitation thereto of recirculating load within a ...

THICKENER / CLARIFIER DRIVE HEADS. Hydraulic & Mechanical Drives. The drive head is the heart of the Thickener & Clarifier mechanism. The present design of The EIMCO-K.C.P. Drive heads is a result of careful study and experience gained over 50 years of operation in the Sedimentation Equipments operating in various Mineral Industries, …

The rake-lifting mechanism comprises a lever or link 24, on which at 22, is mounted the bell crank 21.. The link 24, is keyed upon rotatable shaft 25, supported on a bracket 26, carried by suitable support 27. Also keyed to shaft 25, is an upwardly curved yoked arm 28, terminating in bearings 29, for rotatably supporting an idler drum 30.

Mechanical-hydraulic classifiers, equipped with either reciprocating or spiral rakes, are the most widely used and have countless applications. Unit-Type Classifiers Limitations: Unit-type classifiers are commonly employed for two-product separations, overflow and rake product, with overflow solids ranging between 20 and 100 mesh.

The classifier section utilizes Rake Classifier, similar to that which has been successfully used in the metallurgical industry for many years. Virtually all of the plus 65 mesh inert solids are removed in this compartment. The …

Rake classifiers and screw classifiers are described in Sec. 21. The action is countercurrent, so separation of coarse grains is more effective. Examples are the Hardinge countercurrent (screw) classifier (Fig. 20-42) and the Dorr-Oliver rake classifier (Fig. 20-43). Typical circuits used with these classifiers in cement- and ore-processing ...

– (1) Rake classifier (2) Bowl classifier (3) Spiral Classifier • Hydraulic Classifiers:Hydraulic classifiers consist of a series of column in which water current is injected from bottom which moves upward and takes away the lighter particles of low settling velocity. Hydraulic classifiers are widely used in sand and glass industry.

Tray Classifier A hybrid like the screw-conveyor classifier, the tray classifier rakes pulp up the sloping bottom of a tank while solvent flows in the opposite direction. The solvent is forced by a baffle to the bottom of the tank at the lower end before it overflows. The solids must be rugged enough to stand the stress of raking.

In the drawings, Figure 1 is a somewhat diagrammatic plan view of the rake classifier with rake-actuating mechanism and having the lubricating system therefor merely indicated by the oil reservoir at the head end of the tank. Figure 2 is a longitudinal section of the classifier along the line 2-8 of Figure 1, comprising a side view of the oil ...

Example 13.1. A slurry containing 50% solids (quartz) is to be classified at a rate of 100 t/h at a separation size of 250 μm in a rake classifier. The density of the solids is 2650 kg/m 3 and the size analysis is given in the table below. The water recovery to the overflow is 95% at an areal efficiency of 0.5.

Claims: We claim: 1. 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 ...

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. ... XBM Mining is a leading global supplier of equipment and tools, service and technical solutions for the mining industry,especially specialized in ore benefic ...

The rake/mechanical classifier such as the door classifier consists of a rectangular tank with a sloping/inclined bottom. The tank is provided with movable rakes. The feed in the form of a suspension or slurry is introduced continuously near the middle of the tank. The lower end of the overflow from which the fines that are not settled leave ...

The successful engineering behind S &L SCHLOSS ™ Grit Classifiers emanates from decades of S &L SCHLOSS ™ experience in the bulk handling and mining industries. Our rugged design takes special care for all aspects of classifer construction in order to maximize service life and... Equipment Type: Rake / Spiral / Bowl Classifiers

Rake Classifier – Tuke and Bell Ltd. The Tuke & Bell Rake Classifier is a multiple-rake reciprocating mechanism, mounted within a cleaning channel, which is a narrow, continuously sloping ramp. The reciprocating action moves the grit, up the ramp towards a discharge point above top water level.

These spiral classifier price types include vibrating shaker tables and alluvial washing machines, and they can be used alongside more precise separation tools. Choose from shaft tables and hydraulic tables that are equipped with hydraulics for conducting compression tests and come with distinct power capacities.

US2437760A US588360A US58836045A US2437760A US 2437760 A US2437760 A US 2437760A US 588360 A US588360 A US 588360A US 58836045 A US58836045 A US 58836045A US 2437760 A US2437760 A US 2437760A Authority US United States Prior art keywords rake shaft movement raking arm Prior art date Legal status (The …

Figure 1 is a sketch of a spiral classifier where the spiral conveyor is installed within the bowl. The spiral operates along the sloping sides of the tank and dredges the thick sludge out of the tank. Figure 2 shows the spiral conveyor replaced by a rake, which drags the sand up the incline for discharge. 3. Spiral Classifiers

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rake units classifier deck Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) ... Global Dossier; Discuss; 239000007788 liquid Substances 0.000 description 30; 239000007787 solid ...

simulated ball mill-rake classifier circuit. The data were used to develope an empirical model of the operation of a rake classifier based on factorial design. This work con­ …

The Tuke & Bell Rake Classifier incorporates the following features: – Lightweight space frame design to reduce drive loads. Single sided crank allows for simple drive removal. …

Spiral and Rake Classifiers. Mechanical classifiers such as the spiral and rake classifiers work in a similar fashion in that both drag sediment and sand along the bottom of an inclined surface to a higher discharge point on one end of the settling chamber. The primary difference in the two systems is the mechanism by which the settled material ...

cating rake. The mechanism in the prior art which produces the characteristic up-and-over movement of the rake is a system of heavy gears, pinions and cranks driven by an electric motor, V-belt, drive and heavy-duty gearing. As many as fifty to seventy individual parts are em ployed in this system. Early rake classifiers are shown in