US717804A - Centrifugal machine. - Google Patents

Description

PATENTB'D JAN. 6, 19os.

J. J. BERRIGAN;

GENTRIFUGAL MACHINE.'

APPLIOATIOH FILED MAY '7,'1902l 2 SHBETS-SHBET-Z.

NO MODEL.

INVENTUR j .Zahn .Z Barrigan ggWITNISSES BY@ V v WM i ATTORNEY Nrrn STATES JOHN JOSEPH BERRIGAN, OF RANGE, NEVV JERSEY.

CENTRIFUGAL MACHINE.

SPECIFICATION' forming part of Letters Patent N0. 717,804, dated January 6, 1903. Application iiled May 7, 1902. Serial No. 106,284. (No model.)

To all whom it may concern:

Be it known that I, JonN JOSEPH Bunni- GAN, of Orange, Essex, county, New Jersey, have invented a new and useful Improvement in Centrifugal Machines, of which the following is a specification.

My invention is an improvement uponthe type of machine for separating solids and liquids which is set forth in United States Letters Patent No. 677,926, granted to me July 9, 1901.

My invention consists, first, in the novel means for preventing the access of solid constituent to the openings in the wall of the receptacle for the material to be separated, whereby liquid communication is established between saidreeeptacle and the outer drum; second, in the construction whereby the liquid constituent is delivered through an outlet in the cover of said receptacle, while the solid constituent escapes through an opening in the wall thereof, and, third, in the combination with the separating mechanism of a hood having compartments respectively receiving the outcoming solid and liquid.V l

In the accompanying drawings, Figure l is a vertical section of the machine on the line a: of Fig. 4, the lower portion of the standard 1 and driving-pulleys forl the shafts 4 and 17 not being shown. Fig. 2 is an enlarged detail view in similar section, showing the ar rangement of the disks in the lower kvportion of the separating-chamber. Fig. 3 shows the disks and their supporting-shafts separately, the disks being here conical in shape; and Fig. 4 is a horizontal section on the line 'y y of Fig. l.

Similar characters of reference indicate like parts.

l is the standard, preferably integrally formed with the cup 2. Passing through the gland 3 in standard 1 is the hollow shaft 4, which at its upper end carries the drum 5. Said shaft is supported in standard 1 and is rotated by belt and pulley, as indicated in Fig. 4. The upper edge of drum 5 is threaded to receive the anged cover 6, centrally disposed in which is a plug 7, through which passes the feed-pipe S. 0n the under side of the cover 6 is secured the plate 9, in which are channels 10, into which channels at their junction the feed, falling by gravity through pipe 8, is delivered. The outer ends of said channels areopen. Eccentrically disposed within the drum 5 is a separating vessel l1, having in its wall an aperture 12. Correspondingly placed in the wall of drum 5 is a smaller aperture 13. Between vessel 11 and drum 5 is a plate 14, lhaving a tapered channel-15 connecting apertures l2 and 13.

Pivoted centrally in vessel 11 is a shaft l5, having at its lower portion a pinion 16,which engages with a pinion 16* on the upper end of shaft 17. Shaft-17 passes through the hollow shaft i4 and is independently rotated by a belt and pulley. On shaft 17 are a plurality of metal disks 1S 19 20, separated by collars or spacing-pieces 21 on said shaft. These disks may be more or less in number, as desired, Vand instead of being flat, as shown in Figs. 1 and 2, they may be downwardly inclined or conical. Between adjacent disks and atcircumferences l may place scrapingblades 22. Above the uppermost disk the shaft 17 is of enlarged diameter and has secured to it radial arms 23, each arm carrying a scraping-blade 24. Beneath the lowest disk short inclined sections of pipe 25,eXtend ing through the wall of vessel 11,l establish liquid-communication between vessel 11 and drum 5. Also communicating with the interior of vessel 11 and passing through the cover 6 is a liquid-delivery pipe 26. The pipe 27 in the bottom of the cup 2 is a drain for the escape ofanyliquid which may drip into said cup. The operation of the machine is as follows: By means of the rotating shaft 4 the drum 5 is set in rapid revolution, carrying with it the eccentricallyplaced separating vessel 11. The combined solid and liquid materials to be separated are fed in through the pipe 8 to the channels l0 and thence ejected by centrifugal force against the inner periphery of the vessel ll. The liquid material, as fully explained in my patent aforesaid, then forms a ring within the drum 5 and vessel 11, the inner circumference of which is indicated by a dotted line at a, Fig. 4, and the solid material is deposited on the inner'surface of vessel 11 over the arc ZJ c d, Fig. 4. The liquid rises vertically upward and finally escapes at the pipe 26. The solid material deposited as IOO aforesaid is engaged by the scraper-blades 24, which by reason of the rotation of shaft 17 and of the intermediate gearing 16 16* are now moving around the inner periphery of vessel 11. These blades convey the solid material to the aperture 12 in vessel 11, whence by centrifugal force it is projected through the passage 15 in plate 14 and the opening 13 in the drum-wall, and so out of the machine.

The principal feature of my present invention is the arrangement of the plurality of disks 18 19 2O at the lower part of the vessel 11 and above the tube-sections 25, whereby said vessel communicates with drum 5. Their object is to prevent any solid material entering said tube-sections and possibly thus impairing liquid communication between vessel anddrum. Itwillbeobviousthatanysolidmaterial falling on the upperdisk will at once by reason of the rotation of the latter be projected radially outward to the periphery of the vessel. Also that as the disk circumference is close to the inner periphery of the separating vessel the solid material is unable to pass through this narrow space. In order to insure this last result, especially when the material is nely comminuted, it is preferable to use a plurality of disks, as here shown, each actingin the manner described and each closing the space above the tube-sections, so that in case any material should work through the annular crevice around disk 18 it would be thrown outwardly by disk 19, and so on, while in order to reach the tube-sections it would have to pass through a plurality of very narrow annular spaces. In practice I have found this shielding action ot' the disks very eicient.

In order to prevent the accumulation of any possible material between the disks, I provide the intermediate scraping-blades 22, which collect said material and convey it to the opening 13 in vessel11 in the manner already described.

The liquid from pipe 2G and the solid material from opening 13 may pass into any suitable receptacles placed to receive it. I show here a hood which has two compartments, respectively for the,reception of the solid and liquid constituents. Said hood consists of two hollow conical frusta 28 and 29, secured together, open above, and provided with a horizontal base-plate 30, which rests on the upper edge of cup 2. In said plate are openings 31. The space between the frusta 28 and 29 is closed and is provided with a tube 32. Into this space the pipe 26 delivers the separated liquid, which finally escapes at tube 32. The separated solid escaping at opening 13 in drum 5 strikes on the inclined inner surface of the lower frusta 28, and so is diverted downwardly and out at the openings 31. A

I claim- 1. Inacentrifugal machine, a rotary drum,

a receptacle for combined solid and liquid constituents to be separated disposed therein and having in its wall openings establishing liquid communication with said drum, and means disposed within said receptacle for preventing access of solid material to said openings.

2. In a centrifugal machine, a rotary drum, a receptacle for combined solid and liquid constituents to be separated disposed therein and having in its wall openings establishing liquid communication with said drum, and a plate disposed within said receptacle and above said openings.

3. In a centrifugal machine, a rotary drum, a receptacle for combined solid and liquid constituents to be separated disposed therein and having in its wall openings establishing liquid communication with said drum, and a rotary plate disposed within said receptacle and above said openings.

4. In a centrifugal machine, a rotary drum, a receptacle for combined solid and liquid constituents to be separated disposed therein and having in its wall openings establishing liquid communication with said drum, and a plurality of plates disposed within said receptacle and above said openings.

5. In a centrifugal machine, a rotary drum, a receptacle for combined solid and liquid constituents to be separated disposed therein and having in its wall openings establishing liquid communication with said drum, a plurality of plates disposed within said receptacle and above said openings and scraper-blades between said guard-plates.

6. In a centrifugal machine, a drum rotary on a vertical axis, a receptacle for combined solid and liquid constituents to be separated eccentrically disposed therein, tubular conduits in the wall of said receptacle establishing liquid communication with said drum, and a plate disposed in said receptacle and above said tubular conduits.

7. The combination in a centrifugal machine of the rotary drum 5, receptacle 11 eccentrically placed therein, tubular conduits 25 in the wall of said receptacle, rotary shaft 15 in said receptacle and a plurality of guardplates on said shaft and disposed above said tubular conduits.

8. In a centrifugal machine, a receptacle for the combined constituents to be separated, a support therefor rotary on a vertical axis eccentrically placed within the perimeter of said receptacle, a rotary shaft within said receptacle, means carried by'said shaft for conveying the solid constituent deposited centrifugally on a portion of the interior of said receptacle from its place of deposit to an escape-opening in the wall of said receptacle and a cover for said receptacle provided with an escape-opening for the separated liquid constituent.

9. The combination in a centrifugal ma- ICO IIO

chine of the drum 5 having escape-opening 13 naine to this specification in the presence of and delivery-pipe 26, the support 2, and the two subscribing witnesses.

hood hetvinor the concentric conicalV frusta 28 v and 29; thea said frusta, forming an annular JOHN JOSEPH BERRIGAN' 5 chamber receiving the discharge of said'de- Witnesses:

livery-pipe. TH. WAWRINSKY, In testimony whereof I have signed my; NILS STRANDELL.

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