US579569A - Coal-separator - Google Patents

Description

Iln'irnn raras FREDERICK II. EMERY, OF SORANTON, PENNSYLVANIA.

COAL-SEPARATOFI.

SPECIFICATION forming part of Letters Patent No. 579,569, dated March 30, 1897.

Application filed 111116 l, 1896, Serial N0. 593,847. (N0 model.)

T0 all whom, t may concern:

Be it known that I, FREDERICK I-I. EMERY, of Scranton, county of Lackawanna, State of Pennsylvania, have invented certain new and useful Improvements in Coal-Separators, of which the following is a specification, reference being had to the accom pan yin gdrawin gs.

The object of my invention is to produce certain improvements in that class of coal-` separators illustrated in patents to John R. Richardson, No. 532,427, issued January 8, 1895, and No. 555,185, issued February 25, 1896. .In separators of that class the mass to be separated, as of coal and slate, is caused by gravity to run down an inclined chute, at the end of which, striking a deflecting-plate, the mass becomes separated, owing to the difference between the comparative weights of the two metals and the velocity with which the commingled mass is carried against the deflecting-plate.

In the separation of coal the coal being lighter than the slate bounds a greater distance than the slate. Taking advantage of this fact, the coal is received upon a dischargechute and the slate is allowed to drop between the discharge-chute and the de fleetingplate. Owing to the manner in which the mass to be separated is commingled, it is found in practice that some of the coal is precipitated by the plate, and consequently by the employment of a single chute a percentage of the coal would be lost. To provide against this loss, I employ a plurality of under and over discharge-chutes in proximity to the deflecting-plate, adjusting them at different distances from the deflecting-plate and at different elevations with respectto it. I preferably provide each underchute, respectively, at its lower end with a hinged deflecting-plate which permits further separation of the coal carried by the slate first separated, and it will be readily seenV by thisl arrangement of the chutes and'deiiecting-plates that the completely-cleaned coal is carried off on the overchute, while the slate and its percentage of coal lost by the first operation is carried to the untlerchute, Where by striking its deiiecting-plate it is subjected to a second separating operation similar to the first.

The operation described, it may be observed, may be repeated as many times as it may be necessary to entirely separate the dif-- ferent materials which compose the mass to be separated.

In the accompanying drawings, Figure I is a side elevation of my apparatus. Fig. II is a longitudinal section thereof. Fig. III is a top plan view.

Referring to the iigures on the drawings, l indicates the frame side pieces of my apparatus, which are preferably carried at a suitable angle or inclination by supports or trestles 2. Between the side pieces in their upper part is provided the receiving-chute 3, which receives the coal directly from the breaker or the screen.

4 indicates a delecting-plate preferably adjustable in the manner described in the aboverecited patents.

5 indicates an overchu te and (i an underchute, both located in front of the detlectingplate and each longitudinally and vertically adjustable with respect to the delecting-plate between the frame side pieces l. The underchute is provided with a second deflectingplate 7, which discharges toward a second overchute S and second underchute 9, carried in like manner with respect to the deectingplate 7 as the chutes 5 and 6 are carried with respect to the plate 4.

In practice the second underchute 9 may be omitted, or, as above suggested, additional deiiecting-plates and additional dischargechutes, either singly or in pairs, may be provided.

Vith respect to the underchutes the mechanism for adjusting them may consist,as illustrated, of that shown and described in the above-recited patent, No. 555,185.

One form of adjustment mechanism for supporting the overchute consists, as illustrated, of bell-crank levers l0, pivotally united, as by links ll, to the opposite sides of the overchute. Each of the bell-crank levers is pro-- vided with an axle or rock-shaft l2, which passes through the side frame-piece and is movable by means of a hand-lever 13, having a catch 14, that works in a segmental rack l5.

By means of the bell-crank levers 10 in the opposite side f rame-pieces l the overchute may be placed at different distances from the deliecting-plate 4 and at different elevations with respect to them, as required.

IOO

What I claim isl. In a separating apparatus, the combination with an inclined receiving-chute and deiecting-plate at the lower end thereof, of a succession of adjustable under and over chutes arranged in pairs and located in different planes, one chute in each pair being above that of the deflector and separated therefrom by open spaces, each underchute being provided at its lower end with an individual hinged deflecting-plate, whereby 1naterial from the receivingchute striking its deiiecting-plate falls to one or the other chute as determined by the relative specific gravity of the individual particles, substantially as specified.

other, whereby the chute may be longitudinally and vertically adjusted', substantially as specified.

3. In a coal-separating apparatus, the combination with an inclined receiving-chute and deiiecting-plate at the lower end thereof, of a plurality of longitudinally and vertically adjustable under and over chutes arranged in pairs, one chute in each pair being above that of the deiiector and separated therefrom by open spaces, each underchute being provided at its lower end with an individual hinged detiecting plate, whereby material from the receiving-chute striking its deilect ing-plate falls to one or the other chute as determined by the relative specific gravity of the individual particles, and mechanism for adjusting the chutes substantially as specified.

In testimony of all which I have hereunto subscribed my name.

vFREDERICK H. EMERY. XTitnesses:

F. E. SPENCER, THos. AUBREY.

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