US150465A - Improvement in stills for refining oils - Google Patents

Description

iATENT CORNELIUS J. ORONIN, OF ROUSEVILLE, PENNSYLVANIA.

-INIPROVEMENT IN STILLS FOR REFINING OILS.

Specification forming paxt of Letters Patent No. 150,465, dated May 5, 1874; application filed March 21, 187 4.

To all whom t may concern:

Be it known that I, CORNELIUS J. Cnonnv, of Rouseville, inthe county of Venango and State of Pennsylvania, have invented a new and Improved Still for Benning Petroleum, of which the following is a specification:

In the accompanying drawing, Figure l represents a vertical longitudinal section on the line C C, Fig. 2, of my ilnproved still for reiining crude petroleum.; Fig. 2, a horizontal section on the line a: x, Fig. l; and Fig. 3, a vertical transverse section of the same on the line-y y, Fig. 2.

Similar letters of reference indicate corresponding parts.

The object of my invention is to construct, for the purpose of refining crude oil or petroleum, an improved still, in which the process of evaporating and distilling of thel oil may be carried on with a considerable saving of fuel, and with greater rapidity, and also the formation of sediment on the bottom of the still be effectually prevented. `The cleaning of the still is greatly facilitated, and not required as frequently as in the common stills in use. My invention consists of a still, of any suitable shape or size, which is provided with end chambers extending below the bottom of the still, into which the sediments are carried by a lateral traveling piece with adjustable scrapers moving along a longitudinal guide-screw turned by reciprocating gear.

In the drawing, A represents a still, of any approved shape, used in the refining of petroleum, being either of oblong, round, upright, or other form, and made of any suitable material.' The bottom of the still is constructed in such a manner that a flush connection of the plates without any projecting rivet-heads or seams is produced. This connection is obtained by forming one edge of each bottom plate under suitable inclination, the other end being produced with the same inclination, and also with a anged extension passing under the adjoining plate and connected thereto by rivets, which are countersunk at the inside of the bottom, as indicated in Fig.'1. The body ofthe still is set into the brick wall of the furnace in the'usual manner, and the top provided with apertures a, leading, by connectingtubes, to the condensers, and a man-hole, b,

through which the petroleum is supplied to the still and the attendant admitted for cleaning or repairing the still. The chambers or receptacles B are applied laterally at opposite sides of the still A, outside of the heating-surface, and extended below the bottom of the same. The bottom of each chamber B is curved or inclined from both sides toward the longitudinal axis, and provided at the lowermost point with an exit-hole, d, through which the sediment accumulating in the chambers is drawn off. The bottom of each chamber has, furthermore, a small hole, d', with plug or stopcock for drawing off the water collecting at the bottom of the still. Openings c at both sides of chambers B serve to introduce the scrapers for cleaning out the bottom of the chambers. A guide-bolt, O, threaded along its full length, turns in suitable bearings in the outer walls of chambers B, and passes at suitable height from the bottom in longitudi-` nal direction through the still. Screw-bolt C carries a lateral piece, D, which is provided with a series of vertical slotted scraper-plates Dl sliding on guide-pins f of piece D. Piece D is grooved at the lower part, and carried bythe turning of the screw with the scraperplates D along the bottom of the still. The

.scrapersD, being arranged throughout the full width of the still, slide along the smooth bottom ofthe same, and carry the sediment formed by the heavier oils and tar toward one of the lateral end chambers B, into which the same is deposited. As the scrapers yield readily in upward direction, they adjust themselves easily, and passthereby over' any unevenness formed on the bottom without interrupting the continuous workin g of the scrapers or breaking any one of them. The scrapers travel from one side to the other of the still during the process of distillation, and prevent thereby the formation of any sediments or nonconducting layers on the bottom of the still.

A longitudinal rod, g, with stops gf, slides in i in opposite direction till they arrive at the other end, Where the same operation is re-` peated. A regular reciprocating motion of the Scrapers is thus obtained, by which the sediments are continuallyr carried into both chambers or receptacles, so that on account of the more direct action of the heat on the oil a more rapid evaporation, and therefore a saving of fuel, is obtained. n

The still maybe run for a considerable length of time Without requiring cleaning, and the chambers are cleaned on stopping the still by the scrapers introduced through the side open.- ings, and thus the sediments accumulated therein removed, the still being then ready for use again. l

I am aware that it is not new to provide a still, used for distilling hydrocarbons, With a scraper, combined with a receiving device, said scraper being rotated during the process of distillation, and operating With relation to the bottom of the still and receiving device.

Having thus described my invention, I claim as nenT and desire to secure by Letters Pate11t l. The improved still for reiinin g petroleum,

consisting of a still with end extension-chambers, and reciprocating scrapenplates for preventing the formation of the sediment on the bottom of the still, and carrying the same into the end receptacles, substantially as and for the purpose set forth.

2. A stilly for reiining petroleum, provided with end chambers or receptacles 'extending belouT the bottom of the still, and having exitholes for drawing 0E the accumulating sedi-y CORNELIUS J. CRONIN.

Witnesses PAUL GOEPEL, T. B. Mosnnn.

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