Document rpBKzqJ3pXbqELDBg4yDoy7wr

LIA09781 ) ... : as - ..v-v-w.' - -> V .. .- - * ixr*tir, ts*r. m-z-s-.zm wmmm - ~ ,, ""`r ; -V'" - & *./*V ' -/ . ;rf. j -; - ' -r-.r *' , -1 :Z?t : %$ ,-r r % . - - ........................ *. - ffeis repert s$re s of jtbt&a tssfee el U -. " - .. W fi4 Go&&f& 2?&Eles* trt* fewi-v.- <r.<:n\' is S#3* S s CfcSll j f ^s 5SJ.v ?; vfiil W-A-v w,i- ' tbs mtibcr Head te& wtn asicl; fcs 1*2?s a u Sail S?Lor elscfe fe-: > 4* *. f` w c Fdlttf* f tatsadfcrta& lisSasi easffitostis ciptn etc- ' * 'sx.'t'vt. of lead ondor pressure of ttos o?;c^a,; ls1a ifcirc, <;> t, - _ ?-. - : .: tespereturee tw used which c b-.^ tes b?ica'Lfci.fc tv c---; . ;'. at hleh it wild ccrtrset, bsisslss esttaaivc tb* ts .' , '-:. log. fhs ntbiw' pocg&o war* tx of this uace* of ^ts^lo to bots Ivij ?.ixi b*r lirixci Sen eowrsA tjr brio* oad isatolloJ sposca n^bor spaatlc-a csjaic^ at tbs *i of tia ta^s u taka 5> U brick ^-isiac Another point la fersr of robber la tta c o o t m of instrostlan in repair . and Klntrnsr.co of friflef robbor lined tonka glvea s& Akron to t*o Araoo Mdntonene* sen vbo are 00* ct k&nd for aiqr repairs retired. flckls tacks of lasd and brick eonstraetlco cuild be imtalled oair^ th spocvgs robber expansion cojhiea ex It hea been seed by Xitt robber people to sliiainate troobla froo brick eyensloo and oootractloo* a. mantcrcgT k t s t o r t Pickle tanks here been lead lined fro* tbs begicnlns of the steel Indus try when eteel sheets or pert* were first dipped in dilute sulfuric add to rescrs add* acals and dirt. Lead linod wooden tank* were uaed et first, follorsd by steel or concrete tanks lined witi laed and ofler.tinrs with a brick lining tor further protectlco. In recent years, rubber lined tar*;* with a brick Inner lin ing for further protection few- the rubber ha** aede Inroads on this cnee seouro aerket for Iced sheet. In Klddlctown, Ohio, the Anarican Pdllac Sill Co. hae its general offices, roeecroh l*hs>rttaris, end cpercteo a fabrieating pli;t as well as the n-sch larger aheet end strip sill kxusr, es the text voiles, KLcst fbmaow e*4 esk pW.t are in bjr Hacilton, C?i, and other plants aro ioctto-1 Ohio, (electrical steel), Sutler, ?a. '(sheet, strip s:;4 rsdlrcod th&rl .i-vs), ittlMd, Kjf. (blast furnace end s-iv-at will), and in ftaltiaore, '^j,, steel is arnde la lie forcer lastless Ctrel Co, plant wiiish is m a trj -.k i.f grace. Tide report 1# based oa tae owerail epri*!M;o of the grace ent;- in all th# plants, but with particular reference to praotica In tho K14i* dietosn plant. LIA09782- i`i3Z5ilt Sis* &: a- .-b&irxsm la i5r. j &M's * aV.-f t sUi.fi stitph oeSl* C-'~^rl3f t>* tz&vi-tssl si.*rv.; ? <`fias-? .>r^fctr-,v s'I'S fcteK^fe ?4:_S *32tc;' ' \- - >. jJ &'* f'-C ': v.-f :' V " . i e'.si* oA tfes stei.f * k / %A7> ft.fcki' m s t o s SSt -T fctf-iAs 8JJ ss'ssaft?^ : '. Ti?i ff-Ufsslc add betfe im fev^srlr rs'iv--* 5l5irT; f'- r.- 'rv": & -gentles &**&*&. -j k**- * '*'V~**-.*'* -VUT *'*--* '* VWr W V*.V- % > -- .'. - .: rr ti> te- :' >,,* ?t c ; ; ^ .: v-vC-S- ISktgti ; C* .assist tsa fesaa i223S8ac4 te 32<45 fe3 ts* x 'ir .'' ' ;' ! .'>' '. .v-'^.-.-l \ - 'V. f?K- {jifc cad 41it edctdsd eras tiss eSsip ciwel reset It. cali to'' feaa fRsiasioa ira mdfste <I25 Hasoaruz** If this wiv'.',?; v? ,:fcs ffsifsis Is pifsittsd ts r&aeh 2S f lit* bath, it will gs*ipS.i:.c ts . B-altrtlfta ffisal besrsa deposited ea ti* tsnk betM3 mkiA r*-acva v;sy diiiiselt* 5rslieas tre c-urrlsd out to desp the teo^s siwA coos a week sid,?! tbs e-^pwea essi*s*t fc&s resulted 2D>. It It tfc* eustoa In tha steel sills to 6go doss* evary Saturday rl^ht for clean up, repairs, roll ch&n^ea, etc. o. Esyn^grr tsscRimoi In 1932* th first two rubber lined plckls tanks were installed at tfa* Arnco plrrit In Sfiddletcwn, Ohio. These two tanks u~ sank in exacite aucaavs- tians and hsve not been available for inspection* This Goodrich rubber lining is trad* ntned "Triflcx* by reason of its thras sections* There is an inner layer or core of hard rubber covered on both aides vith soft rubbar, the rubber lininyi throughout are 1/k in* in total thickness. Additional *7rlflex* rubber lined pickle tanbs were built and the/ are all oerrir^ todn? arter 10 to li. years service. Dlneneion* of a typloal pickle tank erei depth h ft., width 8 ft. 5-lA in., and total length 200 ft. Tbs tank It divided into four sections for differed acid concentrations sod for the end section to serve as a wash tack. Kith the creeptied of the first t*o tsrks, the t bore have been construc ted on I beans for central accessibility* The aboil of in. tank is of steel covered with tho "Triflex* rubber linirc Just ss ltsd would be silled, and than two courses of acid resistant brick aako an additional lining of 9 in. Sand stone blocks are placed at intervals on the floor of t-.e tank to take tho bulk of the abrasion fron the strip. The brick Unii^ extend# above tho add lnvtl ard o top of Trlflex* rubber covers the entire tank and Is eepportod %t itorwals ty stool ribs* f Ccsistruetlon at tho end of tho tfcnV is siralar| however a tpenss rvl^oar ( spajisii cushion is placed between the *Trifl*x* rut'ber Urdh and t}s* acid '' roeieV*'-*! brick, A sulfur and ^raphlto baniin*. cs.'.^urd 1* used as a brick tinurr. Several oyvire'*s of bri ci r.-e 1*1 1 ttl. s-neil blocks of t! bc>>'.. rg c..-per.1. b. ck at prvy.*r .<+. The* plaetioised euufur coc*nt is hraVed until sclten aid poured into tb spaces between brieks where, cooling* l- bocuucs a fim solid binder* LIA09783 g'sllofcin eo. b ` afs# d, ^ccgjot ' ; .5 ..-v-4 ~ ti.-y f -**S$* {k X-j -s of bpc <*S Jsfi JlZ'Wk -'.-k,'-.; :;.&:c> i vcl-,. rAt> is vi > c.;; t. >. igc'SS.r. ,c , ' ' :': :' :: : ' t v- , .- , ^ \~ . . tut*raioH&* r. t. - V-c Cj s lisfisi-v . .*; :< . ' Ss '- 'crc rte csssx^ ;": <. ' - - 3S 5 emr-,-:: J-:- t *"':c s s U:~m; sccLS fc; V:' I*'-.'' ' WsCft. - >-. '&? rr.:u -s? ; cx'j&tti *; .: '-> naslbim ^4s->s* . ' f*wf(pr,i t;./ fcfca teles b j iis , SSt* 2ss& caasoi &.': ;tiX 5 Sy l-iv-v. * i-V it ' /`end estMaUp $.- t. tea ts* S?es icsssam tte teici: ^ ?.<* !. - : - 1 v . g .rs!r!j*F Jfe* C&SSSJ* SS R2fi? W&BS stool tssfes UsMi fdtfc *' : - ' - K; : flss? eteil^iLt&asSssg So. 1 csd cite tra ;rse* (tcttl e j? {&) raeleter.% bslciu - ?teo ruh&er Ximl tasks of tiis tjpi it--S: C! C, ^ Ji, 'k^T la IK2 tea* gseS scs^lea at is Uatsa Vaaas an e gnmlt* SKJWK.;Si.a U-,^ ta.?e nsi t^ea cnilial* ft*? iaspaetloe* V--v n*k-:' la baael ca c r o s s ! of ti<s c.c"^sraa .xo^ict forc*d cplc.^ ls.'_vi s`w:. ci' css* ic afiar 16 y*ars to Usor taka, 200 ft. In length, wsp tMttiis-4 Ui 1536 and a?e also eerrlt^; in a very setiafaetcry turner to data, Othar tanka installed at latr dates hare alec KoM op wall, - fba ntbtor lined tanka have giroo trouble la too case*, aaaaljr, tba *TriAax* top and at Vba anda of the tanka, la can b toaa rai dratrlng To, *2, pong* rubber cs^anrlca cuahicna rare placed at ths od of tha tar* which allowed tho sidewall brick nor* roan for uQaansioa than in tha previous conatmo* tlon wharcia lead *u used as a lining. The cracks betwaaa aecticna ef spenga rubber bocasa filled with tha plasticiaad sulfur canaat witch was hot pourad between the ccurtea of brick and in behind tha brick. The wsltcn sulfur caa~ pound upon cooling trill crystalllao and harden forcing a good bondin' nkterial, * fkwtrver In the cracka between sponge rubber sections these cryxtala foroed wo cany littlo daggers pointed toward the aTri flex' lining, that coder usage sad pressure these sulfur crystals punaturod tho trifles'lining causing leakage at tho ends of the tanka. The repair work was dooa ir. tta axaw fasbdon, but a sheet of coarse paper was placed over the sponge rubber brfere layithe brick aid pouring the sulfur. . This efft'Ctively prvvuri<-d the fora*lion of crystal dagger* in the joints of tho sponge rubber and no further trouble has been had at the tank ends. . Only other source of trouble has been with the trlflex* tops wbioh haws faced the hot acid vapors without the help of a brick lining. Theee have given good service up to four years and then leaks occur. Xr. J.J. tkaly of the incod Engineerin'; Department would liko to install laud cover* bat has cpjxarw.tly been outvoted* . 7iw Trifle** ocror is supporud by ateel ribs a* also shorn in droving go, 2. Bhon repairs sre re/fjirtd too Arnco itslnt* ** sn have been trained to ' do tha werk Just as thy wruid h*r>-ru other plant repair Jc-tx, The** two esn were givofi their instruct!o?s in rui>-r llnwd tvik repair work st tho Qoodrleh plarrt. .This practice hod cvvlrisly nado s big lr.;r*tioa cts tha irnca mgiresrs. msaam LIA09784 Cteslttl SoUoUss Jfo L Vv^ '"i1-----Ji . . - -..' -2 ' . ' ; "'X . c&ajsim3 ' ' ~v'; ' * '" ' r'. r' : October iVi^i 1. lead ha* failed das to s3yeaicD^clraetl*i trftijl<;'. -.:' ' . tto'telotiasss'-'IiKlsg*. ''" - - ' o- teef * Has ^Sased Igjpi tf&Xtaf vdMar .sUl fer.&Mi, ....... -.-* " . isiv * -V St Z&zs{? r-Msr cs^aadoa c bs &o &s fcm este&tcd&y beea'tfa l$Ss>- -, .,. .Tltetar 4* tbs- Idji praswv of s&sssEsaUBg M XlMi.vtt$-h -; -.. ' 'tte PBS&ei' C&,-cTM.;. tc4 <s tns glVMst to Us load lialaj*, *- ":; - -.." *.-r jfi--:/ *y>*> ^ sysSftss*' iwww lusts fsUad la ftar j mk ttas J*a .iak (LSf3 ';,, ' es&d teit -` ^< `'7-: - -. 5. Tfeo hi<A cort sad delqr of isportt$ leadbsrners for rt^te reds hes b&sB eilrdnatod rlth tfes m&xxer lining. sad tiw course la rm-Xv wsrk ^ra by the Cscirlch people et their plant to tso JU-v j s o aaintsaenee m ' 6* *Trifles" linings irvrt tiled la tradt* osoaretlau *4th resnlUns x~ collect perfortiato indicate tbst tbs expansion ctsMcca trn -*017 well even sshcre ttera is little possibility of tbernal change in tbs ru,'portin^ miloo. i There is * cSince fer lood to prero Its worth hero In replacing tbs 3 "Trifles" rubber corer* which Ir.w felled la four jrteri1 ties. tt engineering dcperUaeot is to bo o s extent dirlaod u to what asturlnl to use sail this la s chinoo for lead to regain son of Its loot peund, 1* JLCJ- losd chuiber process plant Is proof tv t load can do tbs Job of pickle tank corer*, 2, Tsu uos of spon,,* rubber (or other nstorial) expansion cushion* could be eocis.ru 1 dth brick sod lead lintd tsL-le to tain, up tbs brick ejysasioa sad prrreot tbs oxtrualoa of lssd rad Bubeequcut losiatze. 3. It sould be vtll to lnrratl^ste tha utpsasion sffocta of whstsver ceaont ws* to be urd as a brick tirxi.r, sn It it eot^cirsblo that tba ceaont could equal the aaouat of esrpsnsUndau to Us. brick slcae* I < > 'i .1 5 LIA09785 / pppigpiligfgpj^^ LIA09786