US431607A - Pulp-distributer - Google Patents

Description

(No Model.)

I. E. MONTEV ERDE. PULP DISTRIBUTER.

Patented July 8, 189.0

INXZENTUR TH: Noams PEYERS co ASNINGTON, n

* LUNITED STATES PAT 1 F CE;

FLORENCIO E. MONTEVERDE, OF SAN FRANCISCO, CALIFORNIA.

PULP -DISTRIBUTER.

SPECIFICATION forming part of Letters Fatent No. 431,607, dated July 8, 1890. Application filed December 23, 1887. I Serial No. 258,916. (No model.)

To all whom it may concern:,

Be it known that I, FLORENCIO E. MONTE- VERDE, a citizen of the United States, residing in the city and county of San Francisco, State of California, have invented a certain new and useful Improvementin Pulp-Feeders for Concentrating-Machines, of which the following is a full, clear, and exact description.

My invention relates to an improved feeding apparatus for concentrating-machines, through which the pulp to be treated is conveyed directly upon the concentrating-pan near the outer periphery thereof, and more particularly to such machines or concentrators wherein a circular revolving pan is used in connection therewith, as will hereinafter more fully appear in the drawings, and be pointed out and described in the specification.

My invention consists of a feeding apparatus attached to the end of the sluice or conduit designed to carry the pulp or material to be concentrated directly from the grindin g or stamping mill to the concentrating-machine. This feeder consists of a central bowl or hopper, preferably of conical shape, secured to the end of the sluice or conduit. Projecting from the lower part of said bowl or hopper are three, four, or more radiating inclined troughs closed at their outer extremities, and saidbowl orhopper is provided With suitable openings into each of these troughs, as clearly shown. These inclined troughs have a slight inclination or pitch downward as they spring from the bowl to their outer extremities. The bottom of the bowl orhopper and of these inclined troughs, where they join, are on the same level; but the bottom of the inner side of the hopperI prefer to make slightly conical or convex, so that the material or pulp dropping into the same may be evenly distributed to all the radiating troughs. To allow the pulp conveyed to the troughs in this manner to be discharged suitable openings are made in the bottom thereof nearest their outer extremity.

This feeder is attached to the end of the sluice of the crushing or stamping mill, which projects forward as far as the center of the pan of the concentrating-machine. The feeder is secured to the under side of said. sluice by means of suitable ears or lugs attached to its outer rim, by means of which it can be screwed on or nailed to the under side thereof, so as to be rigidly held in position.

Referring to the accompanying drawings,

.forming a part of this application, in which pan of the machine, while B is the sluice or Y trough leading 1" rom the stamping or crushing mill.

C is the central hopper or bowl of my improved feeder, from which radiate the inclined troughs or conduits D D. The outer extremity of these troughs have the perforations a a formed therein, through which the pulp running through the troughs is passed directly upon the concentrating-pan. The central hopper or bowl C is provided with the ears or lugs 19 b, by means of which it is suitably connected to the under face of the sluice or conduit B, as clearly shown in the drawings. 7 I

From the foregoing it will be readily understood how my feeder is constructed and applied.

The advantages of such a constructed feeder over others of a similar nature heretofore used for the purpose of feeding pulp to the concentrating-pan are obvious.

By the use of the feeder herein describedv ble to the level of the contents of the concentrating-pan and at the same time is discharged to the extreme inner peripheryof the same, this being the point where all the heavy particles are saved or concentrated. The object obtained by this means is twofold. First, as stated, the pulp is brought to the point where it is more favorable toward obtaining the best results from the rotary action of the concentrating-pan; second, by allowing the pulp to pass out through the perforations or openin gs in the extremities of the radiating troughs immediately above the bed of the moving pulp contained within the pan of the concen trator it occasions the least possible disturbance in the peculiar currents produced by its movements in the process of working, thereby insuring a more perfect and thorough concentration,whereas by the methods heretofore .used, which admitted the pulp tothe pan at one part only of its periphery, which created currents and disturbances contrary to those produced by the machine in, its actual working, great loss of the precious particles followed, by reason of the pulp being treated by oppositely-Working currents, which necessarily forced or caused the same to a great extent to be carried off with the waste particles or gangue.

Having thus fully described my invention, what I claim as new, and desire to secure protection in by Letters Patent of the United States, is

In an ore-concentrator, the combination, with the circular revolving concentrating-pan A, of the sluice or conduit B, leading from the stamping-mill, central bowl or hopper 0, provided with lugs or ears I) b, for securing the same onto and beneath the end of the sluice B, so as to receive the pulp fed from the mill, inclined troughs or conduits D D, radiating from the bowl or hopper 0, provided at their extremities with apertures or perforations a a, so as to enable the pulp fed through the conduit to be discharged near the periphery of the rotary concentratingpan when in motion, substantially as shown and described.

V FLORENOIO E. MONTEVERDE.

Witnesses:

WILLIs G. Donn, W. B. PARKES.

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