Document B5OpXpr0Y8K8Zbano24X2zd54

( LIA09806 ia:. .v At'-, z'./: ' cr ' vSS dr'.? . . . < . >, r . p-i sms, .... i'.. c V- e.f ec-'--. . etc.' v,, v.b: css^lsts t;-.4. 'V v-:. eLs" ; ; .. - " -V . : v ... .2 ;; *'* l:,, . - v ei.-tlis terJe tw tn cf Ii;?: i r css to?-i glwa good earv.'rs siesta tU %c?2 ars Is sep&rata CpKs , escU.scy;, llr. - :$.> ' '.iC&sRn&te? t&.'U.'J ; - ,?!. '-> tssia td Tpcaj* isiUr cushions to the cad sootier.'* *r* t-t Inst-iUsd esrf esly cec cottrss of L-J'l, sold resisted kridt 1 used. uiU; tispamwos at 212-2la0 t.y CC.-23.tines ore tmz* osd repairs arc Bas ecoosletially *dcb inrolvs rcpioa&aeat of lergs areas of brick tad rubber. Eonel #t*l is used for tie-rods for wooden tanks where a light pickle trash Is cued in seas batch pickling. As' construction for pickle tanks, *cn*l ` was maid to be *foul.* By rt'-est the plant nice la being withhold from this report hut can be furnished to meabers upon inquiry. a. IffTKOCTOT HISTCP.T In the cocSam continuous strip id11 the combination ef*Trtflx* rubber and acid resistant hfick is widely used end Y*ry well liked tgr the plant anglneers. In this completely nodera strip dll built c m the southern bank of the Vonangahela Rlwer near Pittsburgh there are two cootiououa pickier units. These ere quite stellar to the pickle tanks ds-.-sied in Cheelcel Bulletin 80. U with exceptions es noted below, b. rex^s K.icnma* Steal strip is brought to the end of the pickier in coils where on* end is stitched to tte tail efid of the coil ltvSe^'-iiinA pickling. A slack trap aocuxjlst** ensunh strip to allcar wninUirr-v. ed Kp**3.r,t through the Ml4 baths while the stilc-iing e*rir*. Tfe strip **w* at vary! eg speeds cq> to as >1 > t* ft, par dn. depending tq*.<n the quantity ef scale to be rwsoeed : ctiar Yuri it:**. .< A * fe- ' mm LI A 09807 % csa&ssi *snauBW --t- Jesses*it# u*?. ....; fte first *aA4.b*th iS etrto s s t v .h u ii tJares*)*^, saatstcies , *5v:'a tha *eLg A*s?.t r~.-*..< ? j.-.t -x& t# ra osraal ef tfes strip t?S. iV- . "u.y f?v r.-sVi f r, V.r- ii:. . * -.5 katV* gtscs ir> itS>C&6a*S It tte ' . u far y.y-ft.v..* ? f v -v3 iwri *sfc^,das* el tr-serrii-rs <1 &S !'.* ry r-t'r:*; tcafe to t& ivcd fSussjujr is rencwM t ft aj.:3ss.t8r Is-iSci* ' -v. ...... , ; fess!?s e& tfc* -"tsr cM ef tte pS-rVlcy at ttj S 2.evsl t-J-ssre *sa -' ' ' os C-- t-ti.*? fce... j .f&scs c ps s-3fis3 fey wvess fiasj tfea ./7; ef is Gskssvi staffs uSosi&Z&s Usi fcaU&as* issKirfx^s Tfcsra in tso ceatitsasss p4ofcJ*rs teilt to teSs &J *ssS JS in, &39-et*s Eseh consists of four 69ft, tsafcs, **pcr.ibly fc tfaep* fcesfc tssk is mnU ostt ifcich was not the eno i~ tb Amec pied (css Esv.'fc)* The steel t ar.ka were elevated for eaaa of rtptir end -U rare lis*i `vti X/bLa Triflsx* rubber naoufactured by ths Goodrich Rubber Co. of Air.-cs, CJ-Jla. In this plant only ere course of L-l/2 la. acid proof brick was acad an as iaasr lidni and no aandvtoaa slabs wars placed on tbs tank tot tea for ohrssioa resistance. The end construction did not us* a spends rubber cushion as was doq* at Araco. 1* fell W Tbs ceoent used Is a *To,,-ul-Vitrabond* sulfur tn^d esasnt produced . by the atlas iUnsral Products Co. which is said to withstand temperatures up to 2COT. It is plasticised with olefin* pclysulflde to withstand themal and mechanical shock and is applied while hot by pouring between and behind the bricks. A rib supported steel top, *Trlfl*x" lined, was in use to contain the ateaa and sold vapors*. Sections of th* top. If-ft. in length, nay be rwacvsd for repairs or inspection by sears cf s crane hoist attsrh'c. to boots on top of the ribs. A *7rlflsx" lined fisst duet conducts vapors fro* me tup of each tank to in axhuast stack alongside ths building. The only use of lead in this Installation was in th* rteaa pipes which carry sta*a to the tank oottoa for agitation of the liquor and to saistala . th* teeperature at 212~2Uic/ Low pressure steaa is brought to th* bctU of eseh tank by a pair of ? In. AA lead pipes as shown in th* drawing. "Triflex* rubber lined pipes fren e,th*r side of the tanks lead to the next tank and aalntain the liquid level by allowing liquor fleer tree, on* tank to ths next. d. tpVCXM ICC 07 LEAD AT? ^VRmZX Tha previous axpriee of th* plant engineers Vth load lined pickle tanha and with 1*^1 and brick in eoobinstion hac boon on of constant rsaintenance As discus#od in bulletin Ho. L, the brick expansion upon repeated heating cycle* extruded the lead Iron behind the brick work oatrsing thin walled sections whloh failed, allowing acid attack upon the outer tank of steel. These breaks occurred constantly and wer* dot detectable until ths ac.d had penetrated ths steel shell. i V f i etfy; -tflnPTstwap- LIA098 08 ,A ; ,\ I I eor'w^ i3L'-`-ws m.:i. ;: v' > ' . V-ossiet* .sj tfersa Ityara c-f nSw, - <' * : . Ctovsrod Kith o , :. vv./ter lcyssr S< c`*&3% ` ' - .r^ j J/* in, i'i-i's fctr.i twl ti tad* Cuter I '.'-s's Xkar euffitiv-ri iUv ,.^, t t&fcfesui&d aatfc I tm .. \ F&cSlCS a? Uli- b. C-tk* ,, Vi . Jn tsU em ^3rs&>e.'b4/?<4 S-'tfs * ****5' te sr>r, r- c g;*iiSr s~*- w-sa to fete- 21-139 j&eS&a tcssai** Is t,-V' . : ,;... ` etssrm e-l irlnXr **! S Ss-?-s tto tflcit cf t n&few> i;'. w .; '' tci.-aafS.tsri " - --v ci-lcii rs? 5a estf-js far s-sys f*a$>ssS K-is *at c.1s& d-ift k ''. iscin- *> epsoja t&s&r txsdssslac cssfelca b tb* cads *o ?t t "-ts m jacsE# n&mar *& issfc Gbram ass * w^srat* S3f,fc.*ltfc ttft cfiditlv srv-.-ica fiX-.st ef M idES? k3 ft* issSc ctetnfecccto tend -7 r essasacir .-sSi.tSas *et eT css ss..* fc?isk sd tbc a? ea Sjapans! 03 CESSlCSi, When visrsd, ee tir.5: cf tbs B0=to. picker feed jest been repairs^ la throe pieces. One entire end section i*. 1 nsss patch# cf sfeost robber nnplisd ever the old Using and on# course ft? isssr brie's e%a Ins tailed. A Pitroacai* eraaot was heated in k*ttl*a and pcared ia botsrsn tfes fcriefe cretle*9 *iti bo dsns o? paper to prevent fernsvims of dc^-sr-Xiiu crjrt&ls cf tb cscant cos^oand as *rs dn# in the Arsco pleat. to other sections j-ut repaired ware on the botten end side end esch was rougr^jr 1$ oq. ft. in ares. At least that each new brick had been installed error and aroeutd tha area of daao^s to tha rubber. Tha older brick plainly shewed the rarages of tbs hot acid, being worn away to different levels, but not pitted or sOuged by the steel strip, ubbr covered steel rollers at either end of each tank con trolled the strip. The lesd steae pipe* for heatin* and agitation have given sstlsfaotory service sinoe their installation a# have the Trlflex* lined steel tank covers. e. croca sttrEdAia 4. ^ Lionel was said to be "foul,* when tried as a pickle tank. It was said to spring leaks wry easily, particularly around welds. Itonel tie rods used with wooden tacks where they use s wild piddewssb give excellent service, A Ooodytar product, *Pli<*r*id,* is eonpetitive to "Trifle** as well as lead In the field of tank linings for corrosion resistance. When vulcanised it Is quite flexible and suy be bonded to steel tanks of alaott any sis* or shape. Advertising photographs show continuous pictiers cc.^trustsd of steel, Plioweld,* and brick that sees to be idanticr.1 to installations using *Trifl*x,* The Ocodyoar advertising claia* Uiat pipe And fittings, fen coverings and howsings, etora.e tarks and other units In the chwdcal process industry esy be proteoud by Ulcweld," fr<a the rtv;es of a rsueber cf corrosives so it can be seen that this arterial will ccapote with lead in fields other than continuous pdcklsm. |- > ! X 1 ~ ' ' - -< - - -- - . `r .* ! .............. * - LIA09809 v- ^ - . -i ^ . ,,.. .. vzz^rs. o t .. /.--k- ira, ccKi^rssssi- . -` ' ' ` \ ` -('1 V-v: , tim U*i& ntor csSar trick requires teat rspste* tte- '$&?&. tT&fmr* j; *:'er lining* Wilts? rat*r iis lasd banes&j tf "..'.'? &s.tt;wsr* fesl &wi3tr K^MlsUitjr f *sr*4es? tltfcsms# *._* &* s b rws trick sfeteh c Uj mb & pwiar tessssarstsss. . i-asga 10 it raster lising* - " -;f' b, X epeage w'i'as? cstskitiB So *& to uk ^ t-te las^ ?.;'' " ~> x?tasiea war:: "?^ld eo%se greater ftressstv W U '' ox.-tsd ea ts* tetry Hctt^ caaaiag task spots 4s ' 2, "frlflet lima steal criers have teea'vu? a&tlslaetci-y* lasting for 9 years (Vo date), easjsred to 4 little ewtr li years st irsco where *TrlflC" covers era wad lth no *t*l fc&steg, Jest ti* *tl riba u eiw*n In Cfccdccl Sallttla Eo. It, Brassing 2. 3. Separate 60 ft. tacks sre ored which prevent additive effect* Cram trick er;>srLricp in ell tovr tacks when Jciced together as at dxttco. 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