US545975A - Refuse-destructor - Google Patents

Description

2 E M O S N ,A R L un REFUSE DESTRUGTOR.

Patented Sept. l0, 1 895.

(No Model.) 2 Sheets-Sheet 2.

E. L. RANSOME. REFUSE DBSTRUGTOR.

No. 545,975. Patented Sept. 10, 1895.

FFIGF@ ERNST LESLIE'RANSOME, OF CHICAGO, ILLINOIS.

REFUSEMDESTRUCTOR.

SPECIFICATION forming part of Letters Patent No. 545,975, dated September 10, 1895. Application ied October 10, 1894:. Serial No. 525,530. (No model.)

To all whom it may concer-m Beit known that I, ERNEST rLESLIE RAN- sOME, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Refuse-Destructors; and I do hereby declare that the following is a clear, exact, and full description of the invention, which will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to that class of furnaces known as refuse-destructors, and is for the purpose of automatically breaking up and discharging the clinkers and ashes produced therein.

I attain these objects by the mechanism illustrated in the accompanying drawings, in which Figure lis a vertical section of my improved furnace. Fig. 2 is a horizontal section through the discharge-openings. Fig. 3 is a side elevation of one of the vertical beams in part, showing some of the cross-beams in section. Fig. 4 is an elevation of two vertical beams in part and their connections as viewed from the inside of the furnace. Fig. 5 is a bottom view of the eccentric, showing position of sweep; and Fig. 6 is a detail of the sweep.

The furnaces to which I prefer to apply my improvements are circular on plan and coutinuous in operation. They have tall solid walls and when working contain a great mass of burned matter. They are driven by an air-blast and are of the type described by me in Letters Patent Nos. 524,687 and 524,688, both dated August 14, 1894. In burning refuse in such a furnace enormous clinkers are frequently formed, such as defy all ordinary methods of removal. At other times, owing either to the changeable character of the ref-l use or to the lower temperature at which it has been burned, smaller clinkers and an abundance of dust and ashes are formed. A successful apparatus for the removal of this material inust'be capable of handling it under all the varied conditions in which it is present. Such an apparatus was invented and patented by me under Letters Patent No. 524,688, of August 14, 1894; but a difficulty exists in applying this patented invention to furnaces beyond ten feet in diameter-wiz., the construction aud operation of a revolving grate of sufficient strength to endure the strain to which it would be subjected in breaking up -one of the enormous clinkers that are liable to come upon it.

By my present invention I overcome this` difficulty by dispensing with the grate and its auxiliaries and substituting the following:`

Upon the bottom of the furnace or hearth A a traveling discharger B rests loosely. It is moved eccentrically by eccentric O, which fits and works within it. This eccentric is carried upon bearing D, and it is driven by pin ion E, power being furnished through shaft F. Thehearth, by preference, slopes down wardly from within the circular area always covered by the base of the discharger to the beams G, as shown at A. His achannel for the reception of such ashes as may creep in between the discharger and hearth in the working of the latter. This ash is swept ont of the channel by the sweep II into the subway I, through which it falls into chamber N, from which it is removed at intervals.. The walls of the furnace K rest upon a series of vertical beams G, which are strongly embedded into or attached to the hearth. To the vertical beams G are attached horizontal beams G. All these beams are by preference fitted with cuttingedges ou their interior faces, as at G2. Surrounding the hearth A is a circular traveler L.` This may be of any suitable known variety.

The furnace is operated as follows: Clinkers are placed inside the furnace until the desired height for the fire is reached, when the fire is lighted, or the fire is started upon the hearth and fed until it has burned upward to the desired height, say, at M. The air-blast is forced into furnace-chamber O, which is an air-tight chamber surrounding the working apparatus described herein, and finds its way upward tothe fire by passing between beams G and G and through the mass of intervening clinkers. As soon as the tire is burning normally at the proper level it is kept well supplied with fuel from above through feedpipe N and maintained at the right height by the regulated withdrawal from below of the clinkers and ashes upon which it rests. This column of clinkers and ashes supporting the re rests upon the hearth and discharger and IDO their withdrawal or discharge is accomplished as follows: Being set in motion by the eccentric C,the dischargerB in its eccentric movement thruststhe clinkers and ashes outwardly, thereby breaking up the large clinker-bodies and crushing the mass against the beams G and G and drivinga portion thereof through the openings between them. This discharge 'is continuous while the motion of the disi charger B is maintained, for as fast as a portion of the contents of the furnace is thus discharged the mass of clinker and ashes descending by gravity follows on behind and supplies the place of that which has been discharged. The material discharged falls into the circular conveyer L and is delivered therefrom at any desirable point by any of the usual methods. The discharger B is by preference conical or pyramidical. The sides thereof may be smooth, roughened, toothed, or stepped. Instead of moving it eccentri4 cally it may be made of irregular perimeter, oblong, oval, or triangular on plan and be driven eccentrically or with a gyratory or reciprocal movement; but such alternatives are not so desirable as the method described in full. By extending the hearth out farther, so as to give footing to the extended angle of repose of the ashes that would be occasioned by the removal of the cross-beams G', the latter could be omitted in cases where/the increased size of the lumps discharged, due to lsuch omission, would not' be objectionable.

By sloping the hearth less power is required for the discharge; but in cases where economy in heightis of more importance than economy of power this slope can be omitted.

Disclaiming any rights to the use of the airtight blast-chamber O, so far as this present invention is concerned,

What I claim as my invention, and desire to secure by Letters Patent, is-

1. In combination with a conical discharger mounted upon and operated by an eccentric, a surrounding cage consisting of vertical and horizontal bars against which the said discharger crushes large clinkers and between which it forces smaller pieces and ashes.

2. In a refuse burning furnace, a hearth over the top of which clinkers are crushed and discharged from said furnace; a central chamber within said hearth for providing space within which is placed the supporting and driving mechanism for the Crusher, a channel in the upper face of said hearth and surrounding said central opening for catching dust and ashes, and a sweep operated by the driving mechanism for discharging accumulations from said channel into a subway beneath.

ERNEST LESLIE RANSQME.

Witnesses:

S. FEED. Hown, LILLIAN GRAY.

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