US1492013A - Stock distributor for blast-furnace tops - Google Patents

Description

A ril 29, 1924. 1,492,013

C. O. BARKS STOCK DISTRIBUTOR FOR BLAST FURNACE 'I'OPS Filed Dec. 26. 1922 i v I nu-euro! C. O. Bmzws.

Patented Apr, 29, 192%.

N w E rcnannns o. BABES, or BIRMINGHAM, ALABAMA. I

STOCK DISTRIBUTO'R FOB BLAST-FURNACE TOYS.

Application filed. December 26, 1922. Serial No. 608,811.

To all whom it may concern:

Be it known that I, Grmnnns O BABES, a citizen of the United States of America, residingat Birmingham, in the county of Jefierson and State of Alabama, have invented certain new and useful Improvements in Stock Distributors for Blast-Furnace Tops, of which the following is a specification.

My invention relates to a new and improved means for the efiective distribution of stock as it falls from the little bell onto the large bell of a blast furnace charging top.

It has for many years been the opinion of many of the most experienced blast furnace operators that improved results will be obtained from the furnace if the stock can be charged so as to {all in piles with the coke effectively enveloping thev ore in each pile, the theory being that by such an arrangement of the stock in the furnace a more uniform flow of air and gas through the sto ck is obtained and more even and efiicient smelting of the charge results.

I have sought in my present invention to devise the simplest and most effective means for the deposit on the big bell of the stock in piles which will be discharged thereby in the furnace and to this end I interpose between the little or upper bell and the big or lower bell a series of spaced deflectors, rigidly attached to the hood or jacket and disposed to split the flow of stock so that it will be distributed in a series of distinct and separate piles on the big bell, in each of which piles the material, according to its specific gravity and angle of repose, will assume its proper position.

My deflectors are especially designed to be easily installed and repaired so that the present types of furnace tops may be equipped with them and the deflectors maintained at negligible expense.

My invention will be better understood by reference to the accompanying drawings which illustrate it in its preferred embodiment only.

The drawings in- Fig. 1 shows a vertical crosssectional view through a typical furnace top structure equipped with my invention.

Fig. 2 is a partial plan view taken on the line 22 of Fig. 1.

Similar reference numerals refer to similar parts throughout the drawings.

. on the big hell, but

In the embodiment illustrated I show a blast furnace 1 having a lip-, ring 2 with which the big bell 3 co-acts and which is mounted in a hopper on which is supported a hood or jacket 5 in the shape of a truncated cone. A charging chute 6 is mounted in the top of the hood and is sealed at its lower end by the little or upper gas seal bell 7. The bigbell 3 is operated by the rod 8 which works in a sleeve 9 which, in the manner well understood in the art, will be manipuiatfid both to reciprocate and rotate the little All of the parts as thus far described are conventionally illustrated and maybe of any suitable design or construction. 1 mount a series of distributors within the hood and in the path of the stock falling from the little bell, these distributors being preferably formed by angle irons 10 which at their outer ends are connected by gussets 11 to the hood 5, the gussets being each provided with an out-turned flange 12'which is bolted or riveted to the hood 5. The angles are disposed with their apex upward and they extend from the outer wall inwardly to a point overhung by and closely juxtaposed to the small bell when it is lowered. The gussets are attached to the under faces of the angles by suitable bolts or rivets and when an angle becomes worn it can be readily repaired by superposing an angle on the worn angle and bolting or otherwise connecting it thereto, thus avoiding the necessity for disturbing the gusset mounting.

The distributors are disposed at a downward inclination and are spaced a substantial' distance apart suflicient to produce the desired number of piles of stock of the desired size on the big bell. As illustrated, I show six of these distributors which will act to split and divide the falling stream of stock from the little bell into six piles it is to be understood that this particular numberof distributors may be varied.

In operation, when the little bell is lowered to drop the charge onto the big bell the stock will slide off the little bell and part will fall straight down onto the big bell but a considerable part will strike the deflectors just after leaving the little bell and the stock which thus strikes the deflectors will have almost the maximum distance to fall and can therefore be deflected so as to be concentrated into and form the several piles on the big bell. In each of these piles the larger particles of coke will tend to envelope the finer particles of ore in the pile and in reach'pile the stock'will :be more orlessuniformly distributed circumferentially from the apex of the pileoutwardly with the 7 finer stock at its center and the corner stock .big bell.

about its circumference. When the big bell is lowered the piles will drop practically without loss of identity into the furnace where they will produce the desired opera.- "ting. conditions first above described. Though I have described with great particularity "thejdetails of the embodiment of the invention -herein shown, itis not to be construed that I' am limited thereto, as

changes in arrangement and substitution of equivalents may be made by those skilled in the art "without departing from the in- :t venti'on as defined :in the appended claims.

Having thus described my invention, :what I claim as new and desire to secure by Letters Patent, is I I 1. Ina blast furnace top having big and little bells and a gas sealing hood between them, a series of radially disposed spaced stock deflectors rigidly mounted on the hood and disposed to split the stock falling from the little bell into individual '2. A blast furnace top in accordance with claim '1, in which the distributors are disposed at a downward inclination and project so that their inner-ends are overhung by the littleibell.

piles on the V iture.

1 In a blast furnace top having little and big bells and avgas sealing hood between them, a series of radially disposed stock distributors formed by angle irons hav ng gusset plates attaching them to said "hood, the angles being disposed with their inner ends V overhung and closely juxtaposed to the little bell when in its lowered position.

4. In a blast furnace top, a charging bell,

a casing belowthe bell, a series of-radiall-y disposed spaced angle bars mounted on the casing and "disposed in the path of the stock as it falls from said bell to deflect portions thereof and form individualstock piles. 3 1 V a 5; In a blast furnace charging top, a lip ring and :a bigbell co-acting therewith, a

gas sealing hood above the lip ring, a chargi-ng chute in said hood, a little bell co-acting with said chute, a series of radially down- Wa-rdly inclined circuin ferentialgly spaced narrow angle irons, each having-its apex CHARLES o. BAR-KS. Witness:

' Noun: WELSH.

Images