US1578474A - Ladle cage - Google Patents

Description

March 30 1926.

W. W. SHAWL LADLE GAGE Filed June 19, 1925 PL; (l W L Patented Mar. 30, 1926,l`

UNITED STATES NORTH I rIDU-sfrlw, OHIO, ASSIGNOR vor. oNEfrI'ALF To`r JOHN W. WOODRUFF, OF CANTON, OHIO. 1`

LADLE CAGE.

Application filed June 19, 1925. Serial No. :iwf/4 0.' Y l TO @ZZ whom Muay aendern.' i

Be lit known that l, WALTER 7. SHAW/nea citizen Ot'. the nitedjStetes,residing'ntI. North' Industry, in the lf'zfnuity' O Sterk; yand' 'Y Stat@ Off QhQ, here invented Crtln .new

and useful yIinp rWenige-nts' Lgidle Q Qfqiges;,OtI which the followingA 1s ,a spreeitleation.AV Y

This inxfention relates tO :t enge adepted t t tO be temporarily b lttced-Witliine ladle such potting wie in e@ wie ed ser@ as is'nsed for receiving molten `steel Or' z llly from an Open lieztrth or eleetriefurfneeekind pouring 'tliefsaine into ingotV niOldgs Vfor the like, tliercafge being designed tO- Vshield the ,WQrkinenfboni the' intenseflgezit Oftlie llgtdle during tl1e time` they A are replacing .the

l StQpPerJ-Od' :therein 1 Ilnthe ingiunfqeture Of. steel .Or :illjOyf'ingOts l proportions f furnace and melted', and 1t tlie propel" time f the-nielteninetel ispeured frein tlie'furnglce-; vinto ,it ladle "Of suilieient" prOpOi'.tiOns -@to ref -sceixe tlie entire Charge Oftlie f-urnee, nsual- 1'l,fabout one 'liundred'tons'f v'Tjliis ladlezisin .filming nozzle berne @et rms very relrllyf Y replace the, seine after itliezpounng in an Open'liearthfor eleetrie' 'the ferm Of. zr large bucket, ferrnedof steel -v and having la fr@ brickl-.rlrle f P- Ourlilge f nozzle, usually of b riclgbelng proyided ln the bottenrot tlieflzltdle for plouring the molten steelfnto tlie usual ingOt melde, e Store@ fodrbrle Operable wfhll #lle'ladle tO slintoffthe pouring neygle'lzrs tlge ladle is inered uplon aV crane frein Oneu'nOldltO- cnrs-beneath .the ledgleff f d rllliis messe-f @Olten ',inetgl lsuirou'nding the stopper .rod and passin0-tlirqugl1 2the Een, these' nia-king' @it .necessary tO4 .the next Of es the inelds'nre inbred Hupon,

@Wies rt@ the Aiiitls'e liet i9 which ne thereurng ladle be.

h eat.

epemtiel" it i511@ meer *MPL11 Permitted@ @9.01 tot e@ 1 eaclirheat is'ipou're'd, before the enter tliesgune tureplace Athe'pc mi@ eter, .er ,olf UA; f @et 1.1 :sont tir/Clay We@ the Sm@ 211.191. leert@ ning;

ach

neN-tlilt, is pOured .Thus tlieladle is k'elznt Out Of. use fOrv the greater 'part of the time, 4und when lis linelly in eonditonjfor 're- -ceixrng another li'egmtfroni the furneee vitflizxs `alley which is vpoured fintOthesaine, quickly chilling tlie 1 netnl which centaetswitli the ladle and ojften causingtliedoss 0f many toiis of in etzill wliie'li'lierlens v'arQund tlie Wallsof the ladle before it cany be poured there-liront u Y Under present'steel inill preetice iin Order to AcOglufserre'timev and ,plebe tlie'flzldle in' use 'as seonlas possible e'ftefr'eaehlreatrlilztsheen pOured, the worlgirie'n "enteriihei ltijdlefzinc' start the resetting Of thepourlng nozze and [stepper fold es fson :the "ladle lias'fcOOled tO approximately13009 .Fg v`lfliislef @Curse is eirextreine ,terrlpeifeture nvfwliicli tof Worlg and notJ .Oifil -f Causes hardshipA to, tliejvorkstopperred, `Often resulting lin peor .Werk- .rngrnsliip which' @euses O Onsiderfable loss in .the next Vvlient' o fin'etiil peuled trein lg/rdleV l The Object Of the present invention yis, tO-

pgroyide :t enge .of slightly vsmaller diameter tliantlie interiir of the ladle and eri'ailgeclL 'to lowered inte the ladle afs sOn es a heat" beenpeured',therefrom,protecting the Y jf'lorlrnien 4frein intense.heatOfA the' ladle Wlliile .theyreset the-,pouring nezzle'end stopper red, suitable d OOrs being previ/deel will be ,quickly 'belted .by'eOnt-ect vitfitli the highly heated' refbricl lend shell VOthe`- ladle, thus inakingit unnecessary tebuildV gt cqeinplislrtlre s gune. `The green lire clay which .1s. ,ta1nped around the "lp'ofurlng nozzle a WOfOd lire Over'the saine", and 'permitting Y A.the jleidde to be Placed 'in Operation Within a A eli till .per-y @elle I Without interfering with the stopper rod and trated in kthe ling.

goose neck; the side and bottom Walls of the cage being Water jacketed and lined with asbestos it desired, andmeans being provided for suspending the cage from a crane.

An embodiment of the invention is illusaccompanying drawing, V1n

Y Figure V1 is a'sectional Viewtlirough a ladle f usual form showing-.the improvedcage located therein, and Y Fig. 2, is a Vperspective 'View ol the cage.

' Similar numerals ol' reference ind-icate'- corresponding parts throughout the draw- VA. ladle is.conventionally shown in Fig'.` 1, having the usualsteel'rshcll- 1 4and hre brick lining 2, 'land provided'with the fire brick 'pouring nozzle 3 which isset in the opening` *4 of the lirey brick lining. by means of lire vclay which isrtamped around the Vsame "as Vshown at 5.

The K' stopper rod y the goose 'neck 4' and sliding rod 8 which is `Avertically movedwthrough the tubular guide r9 Vas by a manually operated leverlO.

This pouring nozzle 3 and stopper rod 6 must be replacedV after each heat 1s poured,

making'itnecessary for 'the Workmen to `crawl downy inside'the ladleafter the same usually done when theA ladle n has sufliciently.cooled,to replace these parts. .n vOwing tov the enormouscapacity 'oftheV ladle 'several hours'are required (for the same to cool sulliciently to permit Vthe workmen to enter kthe sam'efor 'doing'this Work, Whichis substantially 300O .F.f y Y. l Y' Aftert the nozzle 3 has been rel-.setandtllej .fireclay 'ftamped around thesame,a WoodV y vtire -is--built over the green'fir'e clay and Vkept burning for several hours toV thoroughly bake' the samefbefore another heat'can be Vpoured into the ladle. rlhus the ladle is kept out of commissionforal considerable period of time 'and when again ready for use it is substan#V tially cold, `quickly cooling the molten metal 'Y tion of the metal..

which is poured therein Vfromithe furnace,"

often 'causing` the loss'of a considerable 'por- In' order to permit this .nozzle and Astopper lf 'rod to .be replaced immediately after the pouring of a heat 'fromtlie ladle, I have provided a cageadapted tobe llowered into the',

' ladle Vimmediately,'afterV a heat has y'been sideof the cage,.permitting the vladle, tov be re- I.- `Y placed in' use .Witlnna very short timealfter ,4610

fV metal vpoured therein.

poured,fto, protect theV workmen, Whoyare in` the pouring-of eachheat and before .thesame has cooled sulliciently'to damagethe molten,

Thisl cage is inl the form of a steel y bucket 'l-ll Vor" lessjdiaineter thanrthe interior of the f 'ladle 'ardirfcrded .ill .its bottoni" Wallvih be turned upon its vertical axis and vpositioned Within 'the ladle;

L6 coi-"operatesl kwith the' nozzleto normallyrshut oil "the flowy ol metal through thesame. and is operated through.

has .cooled 'to claim: v Y' A; protective Qcag'e n I 1 Vvvithin.a.steelpouring ladle, a'ndha-ving an Y i `peiling.:th-rough` Which a fworkman "may reqh thG-inte i1' r 2 2." A protective alhinged door l2 which may be opened to permit the nozzle 3 to be Set, a peep hole 13 being provided in the door to vpermit the `Workmen, inside of the cage, to properly locatethe nozzle as the cage is lowered into the ladle. Y Y y V y A bail 'll may be located at the 'upper open end of the cage and provided with a swiveled hook 15 forjengagement with the usual chain upon-the crane in order thatthcrcage may Y A hinged door 16 ispreferably providedy inthe sidewall of the cage, in alinement with the door 12, and adapted to be opened when the cage is raised (Airflovvered in order *to accommodate the goose'neck? andl stopper rod 6. ygAsimilar'door 17 may also be provided'in the upperportion ofthe sidewall of "the cage to permit-Y a Workman to reach-there through to `chip any'v metalv Which lu'iay-V be .frozen upon the lire brick lining ofthela'dle.L

A' ladder 18 may be formed, upon theinproperly side of the cage' to permit the Workmen to Y I enter orlleavepthesame, and a supply of stopper rods may becarried in a rack V19 Yformed adjacent; thereto. The Workmen v 'may thusenter the' cagev with all y-oitheir tools'and other necessary apparatus,- afterV which l the cage is` lowered;intov the ladle and thework maybecompleted While the I workmen areY shielded from" the' heat of the ladle,'thus permittingfthemto'take sullicient timel toV d properly set thelnozzle and lstopper rop. y:

Iendn'of the Water jacket and arranged tofb'e i connected'byfa similar hose With a suitable drain. y

may also be 'proyided around the Vinterior of thecage if desired', and aheavy'jlayer 24 ol' asbestos or the like may be provided underneath the bottom ,ofthe cage for conl" tact with the heatedlire brick in the bottom p of' the ladle,

@The .Workmen .will thus be protected' from thefvintensefheat,of the ladle andinayref place the nozzleand stopper-rod almost'imf Aflining;` 23 offasbestos or Ysimilar material mediately-after a heat has been poured from the" ladle, and the green lireclaywhich is tampedv around the nozzle Willbe- Vquickly baked-.by the heat, Vfro'mthe ladle.. -Y

of 'the ladle".

y, Y12555 yadaptedtothe'.placed 'i i Within a steel pouring la-dle, and having a door in its bottom through which a. nozzle may be placed in the ladle.

3. A protective cage 'adapted to be placed Within a steel pouring ladle, and having a' door in itsside wall to accommodate theV goose neck of the ladle.

4. A protective cage adapted to be placed Within a steel pouring ladle, andv having a door in the upper portion ot its sidewall through Which a. Workman may reach the` in- 6. A protective cage adapted to be placed Within a steel pouring ladle, and having a layer of high heat resisting material upon its bottom. Y Y

7. A protective cage adapted to loe placed Within asteel' pouring ladle, and a Water jacket formed in the Walls oit said cage.

8. A protective cage adapted to be placed Within a steel pouring ladle, a Water jacket formed inthe Walls or' said cage, and means for continuously circulating cooling Water through kSaid jacket.

In testimony that have hereunto subscribed my name.

WALTER W'. SHAWL.

I claim :the above, I'l

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