US840574A - Furnace-charging apparatus. - Google Patents

Description

Eni/vm H. Mnssrrna, ornnw YORK, n. Y.

FURN-AcE-CHARGING APPARATUS. y

Specification of Letters` Patent.

Patented Jan. 8', 1907.

Application filed February 7, 1905, Serial No. 244,677.

o .oJ/Z .whom t `'W1/ty concern..-

Be it known lthat I, EDWIN H. Mnssrrnn,

acitizenof the UnitedStates, yresiding in the city, .county, and Stateof New York, have invented a 'new :and useful Furnace-Charging Apparatus, `of which the following is aspecificatlon. p

rfllhis `invention :relates fto furnace-charging apparatus, and particularly to apparatus for 1 lchar ing furnaces for .'smelting `lead,.copper, or ot er .metals which fare `:treated in similar manner.

'Ilhe present invention `is closely .related to that disclosed `in my companion application, Serial No. 244,676, filed on even date herewith', .and 'theispeciiic lobject -of the present invention-is to provide :a simple, inexpensive, :and efficient apparatus which is adapted 5to .be almost wholl5T inclosed vwithin the hood fof `a smelt-ing-furnaceand by means of which it will be possible to effect the `distribution of the charging material within the furnace in -the mannerbest adapted 'to the conditions existing Withinlthe furnace at :all times.

With :the object :above stated fand"fcertain others in view, as willhereinafter appear, :the invention consists fof ymeans at 'the top `of the furnace-hood for supplyingfand introducing a stream 1of `.chargingmaterial into the furinace and means inclosed Vwithin the Ihood'for effecting the distribution .of the charging Amateria-lover the top o'f the charge Within the furnace.

In the-.accompanying drawings, forming part of the specification, in which corresponding parts are designated 4by similar characters of reference, I y'have[illustrated one embodiment of `the "invention which will be.

hereinafter described in detail, and the scope of the invention will be clearly defined in the appended claims.

In the drawings, Figure 1 is a view, principally in side elevation, of the upper part of a smelting-furnace and its hood with the charging apparatus shown in position within the hood, portions of which are broken away to show the structure of the charging apparatus. Fig. 2 is a detail view showing the mode of supporting the upper end of the distributing-troughbeneath the spout through which material passes to the distributingtrough.

Referring to the drawings by the reference characters `marked thereon, H designates the hood at the top of the furnace, which may be of any suitable construction, `and '.I -designates the .top of the charge within thefur- `nace-shaft, which is preferably rof the rectangular cross-section commonly adopted in copper and .lead furnaces.

In'the up er part yof the hood. II is :fixedua hopper 1., rom which fa spout 2 extends .downward `some distanceA within Vthe .ihood. Above the .hopper l a conveyerfC, vwhichis preferably `of the belt itype, iis .arranged tto ldischarge a substantiallyicontinuous strearnof charging material, `and'to guide lthe stream-of material into the hopper 1 I preferably employ a special form of hopper 3, suitably supported above `the hopper l `'and .adjacent to fthe .end pulley of :the @conveyer The structures Kmentioned-n the preceding paragraph serve 'to supply .a substantially continuous stream of Ycharging Jmaterial .and ytointroduce Lit withinthe hood ofthe `lfunnace. The apparatus for leffecting the distribution vof the stream of :charging .material `.over the top of rthe charge is almost wholly ino'losed withinsthe hood, asshown-in Eig. 1. .Immediately beneath the spout 2 `a trough 4ris rprovided, which is arranged for periodic nrove- I ment to :and fro over `'the top-.ofthecharge in 'the furnace, and all the material which passes downward through thespout is deposited in the trough 4. The upper .portion of the trough is deeper than theflowerl ortion and is open. at the side .to receive the; ower endof .the spout 2 and permit the shifting of `.the troughwithreferenceto the spout. The lower .portion of the trough lis :provided aviithf a covering :along the lside to prevent 'the escape'of material from the trough .in )its .movements within the furnace-hood. At its lower end the trough is pivotally mounted upon a hopper 5, which is rigidly attached to a carriage 6, arranged for horizontal travel above the charge in the furnace. The upper portion 0f the trough 4 rests upon a roller 7, mounted upon a shaft 8, which may be supported in any suitable manner within the hood H.

The carriage 6 extends through the slidewalls of the hood and is supported by suitable rollers 9, arranged outside of the hood, as shown. The carriage is of sufficient length tol permit the hopper 5, which is mounted midway between the ends of the carriage, tov move entirely across the top of the charge in vtop of the charge.

the furnace, as clearly indicated by dotted scribed or illustrated in this application anymechanism for that purpose.

The operation of the apparatus above described will be readily understood from the description and from the accompanying drawings. The charging material, which must of course be mixed in proper proportions, is carried by the conveyer C to the top of the Jurnace and is there discharged through the hopper 3 into the hop er 1, iiXed in the furnace-hood. From this hop er the charging material passes downward y into the conduit or trough 4, through which it descends into the hopper 5, which serves merely to guide the stream of material directly downward. The hopper 5, being iixed upon the carriage 6, travels to and fro over the top of the charge in the furnace, and the rate of travel of the hopper 5 may be controlled in such a way that the charging material will be supplied as required at different points on the As the trough 4 has a very steep itch in all the positions which it takes, the c arging material will ass down? wardly through the trough at a su stantially uniform rate regardless ofthe position of the trough, and no account need be taken of the change of pitch ofthe trough as the hopper 5 moves to and fro over the charge in the furnace.

While I have described only a single embodiment of the invention, it will be readily seen thatother structures differing in details of construction may be made without departing from the spirit of the invention, and I do not, therefore, limit myself to the exact form of the apparatus shown, but reserve the right to make changes therein within the scope ofthe claims.

i Having thus described the invention, what I claim is l. In furnace-charging apparatus, the combination with means for introducing charging material within the furnace-hood, of distributing devices inclosed with in the furnace hood and arranged for periodic movement in a single vertical plane.

2. In furnace-chargin g apparatus, the combination with a furnace-hood. having a hopper iixed therein and adapted to discharge material within the hood, of a chute or conduit arranged to receive material from said iixed chute and having its lower end mounted for periodic movement in a single vertical plane.

3. The combination with a furnace-hood having a charging-aperture therein, of means for discharging material through said aperture and distributing devices within the furnace-hood, said distributing devices being arranged for reciprocatory movement in a single vertical plane only and adapted to rc ceive material from said charging-aperture in all positions of said distributing devices.

4. In furnace-charging apparatus, the combinati on with a furnace-hood of a carriage arranged `for reciprocatory movement transversely through said hood, a conduit having its lower end arranged for travel with said carriage and its upper end resting on a fixed support, and means for supplying charging material to the said conduit at its upper end.

5. In furnace-charging apparatus, the combination with a furnace-hood of a carriage arranged for reciprocatory movement transversely through the hood at its base, a hopper iixed upon said carriage, a conduit having its lower end pivoted on said. hopper, a roller fixed in the upper part of said hood upon which the upper end of said conduit rests, and means for supplying charging material to said conduit at its upper end.

In testimony whereoiu I afix my signature in presence of two witnesses.

EDWIN H. MESSITER.

Witnesses:

BAXTER Mon'roN, Rosoon L. PETERSON.

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