Document xje1Z74jQLYO2Zz78jQd3ro60
FILE NAME: Oil Industry and American Petroleum Institute (API) DATE: 1944 Sept DOC#: API081 DOCUMENT DESCRIPTION: Trade Journal Article - Insulation - How to Install It
diiaual Staff ARTHUR L. RICE Editorial Director RALPH E. TURNER Editor ANDREW W. KRAMER Managing Editor CHESTER R. EARLE Associate Editor RICHARD H. MORRIS ' On leave EwnigthinUee.riSn.gAErmdiytoAr ir Forces
TECHNPIuCbAlisLhedPUMBonLthIlySHbyING CO.
S3 WCH. JICAACGKOSO4N, ILBLLV. D.
KINGSLEY L. RICE, President EinVIN C. PROUTY, Vice President WALTER PAINTER, Vice President
A R T!lint L. RICE. Treasurer CHARLES S. CLARKE, Secretary JOHN O. AARVOLD, Prod. Mgr.
i. i
A dvertistwj Reprsentaiives
CHICAGO: CRhicahrlaersd SA. .CPlaartkteerson HS3arWris.onJac0k8s2o4n Blvd-, Chicago` 4, 111.
NEW YORK: John A. Kershaw GCarlaeydboanriaBl5d-g3.7,79New York 17, N. Y.
PH12I1LAWDaEvLerPlyHIRAo:adH, .WGy.ucWoteil,dsPa. Ogonti 1066
CL6E27VEULnAioNn DC:omAm. eHrc.eVBalndgD. uyn CClheevrerlyand137174, Ohio
SASN64 FMRaArNkeCt ISSCt. O; Roy M. McDonald GSaanrfieFlrdan8c9is6c6o 4, Calif,
LO5S41ASN. GSEprLinEgS:StR. oy M. McDonald LMoasdiAsonnge6le2s7213, Calif.
WeA/oSHBINusGinTesOsNN, ewDs. CSe. rvice 10 Independence Ave.
POWER PLANT ENGINEERING
Contenti, September. 1944
V O L U M E 48-- N U M B E R 9
Cover: Systematically designed boiler room control panel for a utility power plant. Photo, courtesy, Leeds & Northrup C o .
Front L in e s.......................................................
77
W h at Leaders S a y ................................................................ 75
Super-G adget ............................................. ............. :......... 76
W ith the Editors ................................................................... 77
Shasta-- Key to Central Valley ............................................... 78 By M . H. Kight
Modern Equipment A id s System Savings .................................. 82 By A . C . Monteith
Power in the Aircraft Ind ustry................ ....................;..... . 86
Causes of Turbine Vibrations .................................
88
By Ralph E. Turner
Fuel Economy In Heating Philadelphia Schools ......................... 90 By Allen J. Johnson
H ow Steam is Released in W ater-Tube Boiler Drums ............... 92 By M ax H . Kuhner
Polarized Light Servo-System ...................................... .......... 95
Insulation--- H ow to Install It .... ................ ......... ............. 96
The Practical Engineer & Electrician ........................................I0 I
News From the R eid .................................................. ........ 152
Obituaries .........................._................................... ...... ....158
C oa l Segregation in Boiler Plants-- Correction ............ ............166
New E qu ipm en t............ ............................ ...... ....... ......... |68
Manufacturers' N e w s .......... ,........ ............... ......... ..............180
Manufacturers' Personals.............................................. ...... |84
New Engineering Books .......... ...... :...... .................. ........... 186
Power Plant Construction News ........................ ...................200
Content of back issues of Power Plant Engineering wffi bo found in Industrial Arts Indes on flit In Public Libraries.
. Copyright 1944. by Technical Publishing Co.
Published monthly by the Technic! Publishing Co., at 51 Wert Iieb o n Bbrd.^a&kiMo 4, DL, V . I . A. jabocrtptloa trim . ft.M a year. Ifctred u aaeood at* m attar Seytambqr
IN S U L A T IO N -
How to Install It
Preparation of surface, details of installation, application of finish, for mineral wool blankets, blocks, insulating cement and pipe insulation for heated industrial equipment
Thhoew tof oinlsltaollwvairniogus tdypaets aof ionn
smuelantdinedg pmraactteicriealsat rtehperepsreenstentrectiomme. Tcehnetyly-fpourmblisthheedmsatajonrdaprodrtoionn thoifsasurbe jSetcatndisasrudesd, Uby. Sth. eDNepaatirotmnaelntBuorfeaCuom4>f minestracnec;ethoef twhoerIkndwuasstruianldMertiankeeranl aWt tohoel Ibnesetnituatpep. roTvheed rbeycoammlaergnedantiuomnsbehravoef uissseuresdanadsmaCnoumfamcteurrceiarsl, hSatvaendjuasrdt beCenS d1u17c-t4io4n, afnrodmarMe aeyffe2c5t,iv1e94f4o.r new pro tingItuips otof btheesuendsetrasntdoaorddsthiast athpeurseelty vinotleurnetsatreyd,eftfooret,staobnlitshhe mpainrtimoufmallsttahnosde vairddes,aabvaosiids mfoirsucnedrteifrystianngdqinugalsityanodf pmroa tmereinatl aonfd Cinosmtalmlaetriocen. hTahse nUo. Sr.egDuelaptaorrty pSotawnedratrodsenfmorecreelytheamctsanadsthaen Buunrbeaiauseodf ceost-eodrd'pinaarttoiers thcaronugahgrewehiocnh tahlel ipnrtaecr ticeTs hfeounsdtanmdoarsdt ssaatirsefacwtorirtytento ianll.the ifnocrmorpoofratsepdeciinficaatgiroenesm, ewnhtsichwhceann dbee soirriegdinaolr tecxatnofbetherefsetarrneddardtos, haansdbetehne lfaorlgloewlyingretraeipnreedsenhtesreo.nlyHoawpeovretiro, nthoef
wInidthuoAsutrticaolcnhyMarginoeef rauClpSoWn1o1ow7l -r4Ii4tntsetnmituatyree,qbu4ee4s1to bLttoeaxinintehgde
tSPournipneAtriivnnegtneuneOd.effnNitceeow,f DWYooacrsukhmin1e7gn,ttsoN,nU.. .YDS.... oGCro..vfreofrnmomr eth1ne0t
cents per copy.
-
Fig. I,--blManekthetod onofcuservceudrinsgurfmacinee!.rel wool wspiarceAe.dgiBrd4alreefst psouunlrlfeacdceent;itgehBrst.; aNrCoo,u.nbd9la-gncaukgreevtsegdaalfsvfuiaxrnfaidsceedtso-, Nhsuaoi'.rapt'9ion-ngawgweirietghs,irde1l2xepsainnw.dieotdhn Nclaeotn.hte1rs6si-;dgeaDge.exbgpaaolnsvkeadent^izieEnd-, bwvlaainrneizksee;dtFe,bdbganelasdnsklaecstespdascewecdiutrheadpNpworo.itxh1im6V-agita*egloeyr gK8al*viiannn..igzaeoldn* centers.
tuhsee stthaenmdardshsoaunldd aonbytaoinne adesciorminpglettoe copyT.h*e standards begi_n with a d_iscus spioosnitioofn tohfe irnesquulairteiomne,nittss fthorermthael ccoomn dpuecrtisvqityf,t pdeernodteedg pbeyr k1,-inin. oBf ttuhicpkernehssr atondbethreecommamxiemnudmed bteymthpeeramtuarneufalicmtuitrs eTrhsesfeordavtaariaoruessucmlamssaersizeodf ininsTualbatlieonI.. Ttohleerasntacnedsadrdiscsuizsessednointedthaeretesxut.bjeMctotsot ocfonctheern abtoovemapnouinftasctuarreerspribmuatrilmyanoyf
Tubi* 1.--Typas, conductivities, classes and lira! of mineral wool products
kteamt p*eFramtueraen
taMmapxeimrautumre lim it
Sizes
Type*
mo MO 400 Class F
0.41 047 083 ( S ........ 11,,090000 1 toor00t8ai.nt.blIooknib. y 34 la. wide by 48 in.
KWwfra
.............................. Q.9Q 0 .
0.1ft
IX)........
000 11,,340000
1 tboy41I8n.inth. iocrk36byin8. lIonn.go.r 13 In. wide
0.70 0.76 o n
11,,180000 ^Packaged la 80-lb. bega.
Pipe Insulation (blanket-type). 041 047 0*3
11,,010000 1 ctoat4edInt.otlhiitc1k Ibn.ya3n4dInla.rgloenrgpifpaeb.ri
Pipe Insulation (molded-type). 041 048 030
1.M0000
J4 to
)4
t4o
In11.
tIhni.c ka nbdy
l8a8rgIenr.
lsotenegl
t op i pl iet
sizes.
Fig. 2. Alternate method of affixing mineral wool
blankats
B, Apu,nBchaerde dsuiprfacane-; fhlaoecrseiz,owsneptlaadleeddc et8notfetsrusorn; Cpwo,irtbhalr'aNinlyok.eft1sro2hm-guangagentggelmaels vbinlaa.nntkihzeitcekdeinrswuthilraaetnsio; nouDtI. -wst,aitnhdbiVnlaig-nkoleergt foi-fsienacn.uggrleaedl: vanized bands space approximately 8 in. on centers.
mginueset raslswohboe wtarkiteen sinpetocifaicccaotiuonnts.byTehne tsetrainstdicasrdsofprthoevidmeattehraiatl caerretainto chhearadce tielyrmaivnaeidlabblye AinSTpMubltiesshtedmeftohromd.s read menTdheed infosltlaollwatiinogn rreeqpurierseemntesntsr,ebcaosmed useprovniceloinng tehxepeuriseenceo,f fmorinemraalximwuomol ptrrioadl uecqtusipfmorenitn. sulating heated indus
Auxiliary Malarial
provFiidneishaingsmcoeomthe,nthsamrdaysubrefacuesedovetor isnusbujleacttintgo emxacetesrsiiavles minoisltoucraetioornsabnroat sion.
Table II--Molded-lype pipe imulation Thicknesses s for standard-weight steel-pipe sizes
Nominal
in5H. 11U
f91H I4H 46ftM* 78 * 11t01vv 141a2nd up
Actual 0 . D. 01i..n80.4500 11,.631650 1.000 12ft..88G770550 44.600000 863,..806003306 f7t.. 662255 1I6t0...677366500 11750
Sthtiacnkdnaersds
ItUni.
{4
1H4 1mt)Htii. mm > mm1)4 m1)4 ill 1mI)H1 -
sDtaonudbalred thickness
1iHt. mm1H m 1IHHs. IISHlHfss wSHH SSMH ffttki ft
abosvien, madodlditeiodn-tytpoe thpipethIicnksunleastsioesn smpeacyifiebde m8, aanbnuTdfha4ecstiuenr.epfdiopreinasltilhxneicsokmnairenesaslensopioplfoen1sg.iez1reHsl.,isJte, d1Ha s, sRteacnodma rmd enfdoar tiostneeRl 6p7-i3pXe,. S im plified P rac tice
96
September, 1944 -- POW ER PLANT E N G IN E E R IN G - Chicago, III.
Fig. 3 wAoolt!erbnlaatnekemtsetohnodflaotf sauffrifxaicnegs.mineral
Aofaf,cesB.paesrcpeifaicseeuddrflaeacnpegp;trhoBx,wimNelaodt.eedl9y-gp8aegrmepe.gnadolnivcauncleiaznretdetorws;sirueCrs, Fig. 4. Application of minaral woo! blankat
bwglaialtnvhkaenetixszpeaidmndpweadilri-elaastohbnesnNidtoe.upe9x-pgaoangsdeedp;graeDlsvs,aendNizoei.ndt9ow-giatrhgeese
insulation on curved surfaces. wireA,giBrdalrees ssuparfcaecde;4 Bft, oNno.ee9n-gteargse; gCa,lvbanlainzekde-t
Fig. S. inAsuplpaltiicoantioonn coufrvmadinesruarlfawceosol block
bgalagnekegtasl;vanizebdlanwkieret s.edges laced with No. 16- wbinliasrnueklsa;ettioEen,dgH2es-fltoarcbey4d4-w8ini.tfhtg,aNlwvoa.irne1idz6e-dgtaogbeagngidradsllvesaspn;aizceDedd. vpalineiAdze,wdBitbaharenjdossinustrspfaasccteead;ggaBpe,rpermdo;ixniemCr,aatll/eilw-yooo8rl inHbl.*oiocnkn.scgeaanpl
be Aussepdhatloticprwoveiadtehearprwoaotferf-itnigishht mpraoy tective finish over insulating materials
vabpaannpidrzosexda'mt watotierpel;y nG8e,ttiiinnn.sguolnaseticcnuegrnetcdeermsi;nenFpt,:latHcwe,ow1o-irtinh.mNgoaorle. 16-gage galvanized wires; I, finishing cement or
pltaeltaricsn;eg Dwc,iteh1m-iNenn.ot.;g1aFl6v-,gana1giz-eiendgaawlvaialrvneaiznneizedettdwin-iwgreirsse;ecEun,reetidtnisniugn secured in place with No. 16-gage galvanized
asphaltic finish.
wires; G, finishing cement or asphaltic finish.
The insulation thicknesses listed in this tabTleabalrae rIeIIc--omRmeecnodmedmfeonrdienddomoirnilmocuamtioninss;ufloetrioonutdthoiocrknloecsasetison increase insulation thickness not less than
54 in. For under ground application, thickness may be decreased H in. when specified.
Tetmurpeera-
BI.ATnNheiKscFsk.T-
INSUTLeAmTpIOerNaturc
Tnheicssk-
n r i INSULATION
U30p0tFtoo 350000 ... ...... in11.54 970000Fttoo 910.1000..... .... in23.54
Blanket-type
Motded-type i
500 to 700 . .. . 2 1,100 to 1.200 .. 354
Tbiekneas
Thicknos
!
TetBmuLrpOeeCrKa-INSULATTInOheNicssk-
F
in.
' TIeNtmuSUrpeLeAraT-ING CEMTnEheNiscTskI*
F
in.
Temperature
24Pipe In. to
4Pipe In. to
rip a sa.
Temperature
2P in a
below In.
4P ip a
ll n . to In.
4Pipa In. and
24U00p00 tttooo 245000000 .......... ...... 21154 650000 ttoo 670000 ...... .. 254
2U400p00tttooo245000000 .......................... i21y543 560000 ttoo 670000 ................ 3354
2If5i00to 28f5i00 /
in. O ln . no up
OP
~ .
in.11
in.11
In.11 2U7p6to 825705P. . . ' __ . . . . Bid................ Std................ Std.
!
79100.10000ttooto910,1100,300.0....
.... ..
3454 454
1,300 ..............
79100,1000t0toot9o10.1100,300.0............. 445J4 1,300 to 1,600 .. 514
to
450 MO to 4 fA .<nto &50 850 to 875500 705000 to
............................. ....................
n .
. ...
11 21u
1 t%I K
IK
to .......................... . . . d o . . . ' . . . . ...d o .............. I K ''-
850 425 T. IH
to .......................... ...d o .............. I K " ...............
425 500 IK
to .......................... I H " .............. ................. D b l. std.
500 F. to eoo.......................... ................. D b l. s td ... Do.
2 750 970500 iP. eoo to ..........................
K " .............. r .
j
1,600 .................. 654
1 Usually applied over blankets and blocks
1,050 101,200 to
..
ono to , -Vt
to .....................
H
g 54 n
84
910,0060 1,05,2000 to ..........................
to
....................
t o l ..................
obi." * K " ..............
................. * K " ............... * K " ...............
44*K " -
e! K".
!
FHo rIn.b uthilitc-ku pa sapapbliacsaetiocnosat ofonr idreresigruedla rfinsiushr.
ftiaccaels.litmh iict.k nesses rnay bo used up to th e p ra c
in locations where excessive moisture
imnisnuelaitniosnu.latiOonthethrickfancetsosrsarethtahte dmeateinr
ssiaofne,ty forefewzionrgk,moern. fire; and personal
oevr earberalsseionspeacriefieedncwoiutnhtienreidts otremwpheerar tpernoatenccteioonf pargeaciinsesttedmampeargaeturbeycocnotrrrool-; plieTdhefoirnsvualraitoiouns tohpicekranteinssgescotondbietioanps
tcuornesislitmoitf. a Tfihbirsateadsphaaslptihcaltfineimshulssihoanll,
wshhailclh,beforapwpleieadthetroproao/ fminignimpuumrposdersy,
Fig. 6. Application of min. ral wool blocks on flat or
thicMknisecsesllaonfeo%usin.accessory materials!,
ractangular surfaces Sketch 1: A p p licatio n
scuacnhvasa,s paadpheers,ivmese,taalttfaacbhrmicse,ntasdbeevsitcoess-, wgArh,eeabrteaerreintshsuualrnaftaiosctneif;ftehBni,ecrksnthiefesfse;gnheitsr.
mceemtaeln, tetsch.e, esthsa, lrloboefinogf afetlyt,pepaainntd, sqhueaelt rr1ei)b,ins;foNCroc,.inmg1iwn6eigrraaeglseowrogo5al4l-vbianlno. icgzkeasdl:
tiitoynssahtiesrfeaicntaofrtyerfodresucsriebeidn. the applica bvolavonecirkzbes;dloEck,hsacanotdrncseormabpeeprasldiwedsiethcouNvreeodr.
Application (Ganaral)
vi1na6sn-ugizlaaegtdeinwggaicrlevemanneeinztteti\dnGgw, si1trr-eienst.c; hgeaFdl,
nessSeolefctmioinneroafl twheooel cionnsoumlaitcioanl tthoicbke taiinnggdhtclwyemiroeevdnetrInoirnpsaluaslepaehti;anl'H*tic,ceffiimnniiessnhht.
installed is governed largely by the Ocopsetr aotifn ghetaetmdpeelriva eturer ed, mthaein tnauinmebd e, r tVoief
bsheoadwS,kineAgtc,hamp2p:eltiacElantdiloaunrcgtoe, dfbcd.oemtmaiienlsr eral wool blocks; C, No. 16-
hefofuercstivoepneesrasteadndpearppyleiaerd, acnosdt boyf tthhee fg1ra6og-cgekasg:egDgala,vlvcaonanriznizeederdbw^widrier;seEd,roaNvweonr.
btheraodu. gh perforations in corner
the taDuuxriliinagrythmeatwerairalemdeesrcgreibnecdy mpertihoids, sttoamndearodf weqhueaSrleketoticnhsourl3al:etisosnAthptahpniclikscntiaeffsteisonenisr
mmoraadyteerrb,iealascnoanrasecidcenerpoettdabacvleraiitlaiaclbtaelle.rnoaWwtehin-.mg-nattoseurGciaholvaesuhrxnaimllliaerbnyet haceelimgwheont.otlAanb.dlsotscipfkfesec;nifeiCer;,d Bfiinn,siumshlainbtieenvrg
used.
` eled back at rib.
Fig. 7. bAetpwpeliecnatisotnrucotfurmalinsturaplpowrtool bloclu bUlooccAkks, baaapgrpealiinesdustrwfasitctehee;laBlcl,afjsoiirinsngtt;slaCsyte,argsogefecromendidn; eDlraa,ylbewrriocokofl,
msheanlldendoitn bTeablleessIItIh,aunnltehsossoethreercwoimse appEroxvteedrnably stuhrefapcuerschoafsehre. ated multi llaayteedr btoricak ctohnicsktrnuecstsionnso sghraellatbeer itnhsaun tahtuatrewghriacdhiewnitllfroersualllt minaatesriaafles tuesmedpeirn .theEcxopmapnosisoitne jocoinntsstrfuocrtiionns.ulation shall bteemppreoravtiudreeds oanboevqeui6p0m0eFnt, oapsersapteecdifieadt bthye tahpepliynisnuglactioonntramctaonru. facturer or by videAddetoquparteevepnrtottehcetioenntrashnaclel obfemporios . ttuicruelairntcoaretheshainllsubleattiankgenmaarteoruinald. oPpeanr ingsAlalnmd icnoenrnael cwtiooonls.insulating products astnadlleadccinessaornyeatm, awteorrikamlsanslhikaell mbfaennienr oinmamcecnodrdaatinocnes wanitdh stuhbejefcotllotowinthge raepc proval of the purchaser.
PreparatiBolnanokeft Iunrsfualacteio--n The surface stopecbteedinasnudlaatelldlosohsaellrubset, cacraelcfu, lolyr diinrt rSeumitoabvleed aanndchloearakgseorfodramtahgee rbelpaanikreedts. schaablllesb, enuptrso,vcidliepdaningleths,e ofrorNmo.o9f-gwaigree gseaclvuarenliyzeadffiwxeirdest,owtheeldesudrfoarceotohnerswpeiscei, fiedIncsetnatlelrast.ion of blankets--On curved snuersfsacaess,inblTanabkleets IIoI,f shspaellcifbieedsetchuircekd itno Fthiges.su1,p2p,oartnsd i4n. the manner shown appOliend fwlaitthsuthrfeaceexsp,anbdlaendkleattsh sehxaplol sebde as iAnpFpilgic. a3t.ion of finish--After' the bselacnukreedts, aarAe-iinn. plaoysietrioonf amnidnecraalrewfuolloyl icnosautlasthinagll cbeemefnortcsehdallwbeella.ipnptloiedth. eTehxis pSaunffdiceidenmt ectaelmlaetnht toshfaollrmbea satpropnligedketyo. tlerovweleloefdf cthoeatsoufrfiancseu.latAingseocronfdini'sAh-ining. cceomatenhtasshdarliledb.e Papoprtllieadndafcteemr ethnet mfirasyt bheardaedrdefidnistho. this coat to provide a
Insulation located indoors and not
Fig. I. Application of mineral wool Insulat
latinAign,gccelcemaaenmnetadnspbtoatroteendsucorunfravrcoeeud;gBhilt,yofaibrlystihtciaornfaadtc;oaCf,.insseuc ownidreconaetttoinf gin; sula, tifnignicsheimngenct;emDe, n1t-ino.rgaalsvpahnaizlteidc finish.
ebxepfousretdhetrofimnioshisetduraes odresacbrribaseidonbemloawy. can(1v)asWjhaecnkestpeschifaileld, bae 6s-ewored8-oozr. sptaistctehdessmshoaoltlhlybeinsppalcaeced. nIof tsemwoerde, wthhaenre leians.tavpiasritb,lew. ith seams located asp(2h)altWichweneathspeerpcirfoieodf, finaishlamyeary boef asepcpolinedd icnosatetadofofcceamnevnats. hAasfterthtohre oughly dried, 1-in. galvanized wire
Fig. 9. inAgppclaimcaatinotnoonf bmriicnkersaulrfwaocoels.insulat in. Ao,nbcriecnktewrsa,ll;exBte, nmdainsognrayppnraoixlsimspaatecleyd S4ito i1n2. pvfrlaoinemidzebndreiacwrklisyr;efClnu. sefhtitrisnwtgictohsaetncoaufirleidnhseutaoldastn;inaigDl ,che1em-aiednns.;tgaaEpl, smeceonnt dorcoasapt hoafltiincsufilnaitsihn.g cement; F, finishing ce
ntheettisnugrfsahcaellabnedstwreirtecdheidntipglhactley wovitehr Ntico.fi1n6i-sghagsehaglal lvthaennizebde waiprpe.lieAdspsuhfafli cthieicnktl,y wtehti)ckto(apprporvoixdiemaatelmyinlAimuimn wdreyll tihnitcokntheesswoirfe%netitnin.,g.troweling it
Fig. 10. Abowvooo--l Apipppeliicnastuiolentloonf obnlapnikpeets-type mineral c1u6m-gAfae,grebeangrtaeilavplaliynpieza;erodBu,wnbdilraebnsak;reeDt-t,pyiippnees;upliCapt,einjoigninscuteslmasteieoncnut;rweEdr,apwapsipethdhaNcltiiorc. oFrigo.theIrIs.pecRifiiegdhtf--iniAshp. plication of blenket-type mineral wool pipe Insulation on large velvet
A, bare fitting; B, blanket-type pipe insaunldatiofintt;inCg,s joints secured with No. 16-gage galvanized wires; D, insulating cement or other specified finish.
Fig. 12. Application of mineral wool sectional pipe insulation single-layer A, bare pipe; B, sectional pipe insulation; C, canvas jacket or other specified finish; D, metal bauds
Fig. |3. Application of mineral wool sogmontal pipe insulation wheAn, rbeaqrueirpeidp;e;EB, ,casengvmasenjatcakl eptipoer iontshuelratsiopnec;ifCie,dNfoin. is1h6;-gFag, emgeatlavlabnaiznedds.wires; D, insulating cement
98
September, 944-- POW ER PLANT E N G IN E E R IN G -- Chicago, ill.
posIendsutolatmioonistluorceatoerd aoburatdsoioonrsshoarllebxe
pscrroitbeecdtebdelboyw.one of the methods de
ou(g1h)lyAfdtreired.,the1-inc.emgaelnvtanhizaesd thwoirre
ntheett.isnugrfsahcaellabnedstwreirtcehdedintipglhatcley wovitehr
Ntico.f1in6i-sghagsehaglallvthaennizebde waiprpe.lieAdspsuhfafli - Rg. 14. Application of mlnorol wool Mc+tonol pipo insulation, deoUo-byor
cthieicnktl,y wtehti)ckto(apprporvoixdiemaatelmyin5i4muimn. withAa, llbajoreinptaipaet;agBg,erBerdi;t Dla,yecranaveacsurjeadckwetitohr Notoh.er16s-pgeacgifeiegdalfvinanisihz;ed,waiarecta;l Cba,nadesc.oad layer applied
dwreyll tihnitcokntehses woifre%neitnti.,ngt.roweling it
reg(2u)larWhseunrfacsepse,ciftiheed coenmenstmoaonthd
aasnpdhatlhtiec scuorafaticnegswemaathyerbperooofmeditteidn,
sstheeaedt-mwietthalajaschkeeett-smheatlal lbjeacnkoetl.igThtheer
gthaalvnanNizoe.d,28sugitaagbel,y sainngclheoroerd dtooubthlee
asugrafiancset. thSeeawmesathshearllanbde sleacpupreedd 2wiitnh.
mlocektaeld scorrewfsl,anogre-cprirmovpiedded jowinitth oar
oofthmerowiissteursec.alAedf,tetro pprroevviednitngthefoernetrxy
pjaacnkseiot,n iatnsdhaclolntbreactsieocnuroefdthine mpleatcael
wmietthal b54a-nidn.s, morachinein-s.tregtcahlveadniaznedd
crimped, on specified centers.
PreparatioBnlocokf Isnusruflaatcioen--The surface to be insulated shall be carefully in
InsuInlasttianllgatcioenmeonft isnhsaulllabtiengmicxeemdewnti--th
aasppphliaeldticinwsteeaatdheorpf rcoaonfvfaisn.ishAsfhtearllthbee
ssphaelcltehde arnedmaolvleldooasnedrulesta,ksscaolre,doarmdagiret repaired. Brick surfaces shall be made
celnecayn bferefosrhe wapaptelircattoiotnr.oweling consist On curved or fiat steel surfaces, in
cgeamlveanntizehdas wthiroeroungehttliyngdrisehda,ll 1-ibne. stretched tightly over the surface and
trueSuaintdabelevena.nchorage or support for the blocks shall be provided when re
s(uselaetiTnagblceeImIIe)ntshoafll sbpeecbiufiieltdupthiincksneepsas rate coats not greater than in. thick
wvainreizdedin wpliarec.e wAistphhNaloti.c1f6i-ngiashgesghaalll then be applied sufficiently thick (ap
qnuuitrse,d,clbipy saencguleresl,yoarffirxoidnsg wtoirethceabsluesr, face on specified centers.
as in(1F)ig. 8.A reinforcing layer of 1-in. galvanized-wire netting shall be ap
pvridoexiamantieinlyitmYstniin.dtrhyictkh,icwkente)sstoopf ro% in., troweling it well into the wire
surfIancsetsa,llabtlioocnksooff bslpoecckisfi--edOnthicckunrveesds (see Table III) shall be applied using
pinliseudlatbinetgweceenmeenvte,rystrseetccohnedd ctoigathtloyf nIenttsiunlga.ting cement located outdoors. over the dry cement and securely or exposed to moisture or abrasion,
sintagFgige.reSd. joint construction as shown On flat surfaces, blocks shall be ap
vwainreizdedinwpilraecewwhietnh: N(ao). 1th6e-gtaogtealgianl swheaallthebreprofoinfisfhineidsh.with an asphaltic sulation thickness specified is greater (1) A 54-*n. coat of finishing ce
Wplihedenbybtlhoceksmeathreodsinsshtaolwlend inbeFtiwg.ee6n. brick or other structural supports, the
athpapnlied1 into., t(hbe) uthnedecresmideentofis etqouibpe ment, (c) the insulated equipment
tmoenwt hsihcahll Pbeoratlpapnldiedcewmheennt spmeacyifiebde, added to provide a harder finish.
afinncishhorss,hainllsublaetinogmictteemd.ent,SeaendFiogt.he7r. Finish is to be applied by the same
wOilln bheeastuebdjebcrtiecdk tsourfvaicberas,tioinns.ulating cempnt shall be applied as in Fig. 9.
ou(g2h)lyAdftreired,th1e-inc.emgaelnvtanhizaesd twhoirre netting shall be stretched tightly
mlateitohno.ds given above for blanket insu weaItfhetrhperooinfesdu,lateNdo. su1r6f-agcaegeisgatolvabne owviethr thNeo.su1rf6a-cgeagaendgawlviarnedizeidn pwlaircee.
InsPulraetipnagraCtieomnentof(Busuiltr-fuapceA.--ppTlichaetionsus)r itzheednahialirhpeiandswairneds psehramllittbeed atoffiexxedtentdo Asusfpfihcaieltnictlyfinthisihcksha(allppthroenximbeataeplyplie%d
ifnacsepectotedbeanindsuallalteldoossehalrlusbte, cscaarelef,ulolyr cthermoeungth ttoheprsoevcoidned alanycehroroafgeinsfuolratitnhge idnr.ythtihcikc,knweests) otof p5riovinid.,etraomwienliinmgumit
dpairitrerde.moPvaeidntanodr lgeraekasseorshdaalml abgee rree weaAthpeprlpicraotoiofnfionfisfhi.nish--Insulating ce 8wealnldin9to.) the wire netting. (See Figs.
mshoavlledthewnitbhe awacsahuesdtiocffswoliuthtiownatwerh.ich Anchorage for the insulating ce
mtoenmt oliosctuarteed oirndaoborrassiaonnd snhoatll ebxeposfiend ished, when specified, with a J4-in.
InstaBlllaantkioatn-tyopna Ppiipp*esI--nsuBlaltainonket-type pipe insulation of specified thickness
mtmheeanstofonsrrtmyiallnofahielcslipporofavnipgdrleoedsp,earns usrtieszq,eu.rioredAds,d, doiinr
tProowrtlealendd cecmoaetnt omf ayfinbieshaidndged cteompernot. vide a harder finish.
p(siepces Taanbdle loInIgI) rasdhiaulsl bbeendasppolifed2-ionn. diameter or greater.
tiinosnualal tinsgupcpeomrtentisappreliceodmomnelnigdhedt-gafgoer can(1v)asWjhaecnketspeschifaileld, bae 6s-ewored8-oozr sha(1ll) fBiresftorbee afpoprlmyiendg,rtohueghinlysultaotiofnit
mpaentsailolinc asnudrfaccoens,traocrtiownheins esxucrefasscievee.x pstaistctehdessmshoaoltlhlybeinsppalacceed. nIof tsemwoerde, sthpeacepdipea. Psuipffeiciiennstuladtiisotnancsehallfrobnet
insuWlahteedn sphoalslsibbele,ketphtehosutrtfoacfeactiolitabtee wthhaenreVsleians.tavpiasribt,lew. ith seams located wflahnegnesfltaonpgeersmaitrereompoevnaeld.of Athdejabcoelntst
drying.
.
-
(2) When specified, a layer of lengths shall be butted closely to-
wFoigo.l 1b6.loAckppinliscualtaitoionnoftomilnaorrgot fittings.
bglaogcAek,ginapsliuvplaantiiozinensd*ulCwat,iirNoenos;;.' 1DB6*,, sinpesucilfaietidngfincieshm.ent or other
^ v i i i ii H i
wP
f - B *1' '
Fig. 17. Application of molded-typ# mineral wool pip* Insulation to flanges *nd fitting.
segmAe, nsteacltiopnipael pinipseulaintisounla;tiDon, ;inBs,uNlaoti.ng16-cgeamgeengtaolvranoitzheedr wsipreecsifoierdgfailnviashn.ized bands; C, sectional or
ggealtvhaenrizaendd wlaircee.d Twhieth eNndos. 1of6-gwaigree les(s2)thBanloctkhse oinfsualattihoinckonnessad5ja4ceinn.t
ilnotoopsthsehailnlsubleatbioennt toovleeravaendnopresshsaerdp pwiipriendgseschuarllelybeincpalraecfeu.llyA f5i4t-t>end. caonadt
projections. (See Fig. 10.) pip(e2) iWnshuelantiosnpecsihfaielld, bbelanfukrent-istyhpede
oapfpilniesdu,lattrinogweclienmgenitt swhealltl itnhteon thbee cracks between adjacent blocks.
wjaictkhet.anIt instheaglrlalbegaalpvpalnieizdeds-mnuegtlayl around the pipe and bolted along the
pipeApinpsluiclaattiioonn loofcaftiendishin--doBolrasnkaentd-tynpoet exposed to moisture or abrasion shall
ftlhaenrgefdinislhonigsitruedqiuniarel dj.oint. No fur bFeig.fin10is.)hed as described below. (See
fittiInngsst--allVatailovneso, nflavnaglvese,s,anfldanfgitetsi,ngasnd6
tin(g1s) sPhiaplels,bevaflvineiss,hefdla,ngwehs,enansdpefciit fied, with a canvas jacket sewed or
ilna.teidn wdiiathmebtlearnkoert-ltayrpgeerpsipheallinbseulaintisoun of thickness equal to insulation on ad
ppaapsteerd. -i,Bov-ienr. thaiclkayaesrbeosftosflapmapeeprr,ooofr a 54-in- coat of insulating or finishing
jfaocremnetdpitpoinfgit. bTyhecuitntisnuglatiitonaloshnagll thbee circumferential edges, then secured in
scpeamceendt. noIft smeowreed,thsatintch5e4s-ins.haalplarbte, with seams located where least vis
pAllalcecubtyewdgierisngshtahlel bloenglaitcueddintaolgjeotihnetr. with No. 16-gage galvanized wire and
i-ble(2. ) Pipes, valves, flanges, and fit tings may be finished with asphaltic
tphreesseenddsinotof wthiereinlsouolpastiobnentto olevaevreanndo aharp projections. (S ceF ig.il.)
foifnisihnswulhaetningspeocrifiefdin. isAhin5g4-icne. mceonatt shall be applied and when the cement
flanAgess,alatenrdnaftiettianpgps,licinatsiuolnastinogn cveamlveenst, or block insulation shall be used.
hizaesd-wthioreroungehttliyngdrsiheadl,l 1b-ein.strgeatlcvhaendlightly over the surface and wired in
bu(i1lt)-uIpnsinul9a4ti-ning. cocaetms etnot a sthhiaclkl nebses pwliarcee. wAistphhaNltioc. f1in6i-sghagsehagllaltvhaennizebde
peqipuianlg,tobythteheinssaumlaetiomnethoondaadsjaucseendt ampaptleileyd 5s4ufifni.citehnitclky, wtheict)k to(apprporvoixdie
in Fig. 8.
a minimum dry thickness of 5i-in.,
tro(w3e)ling Wit hweenll aintrooothfiengw-ifreeltneftitniinsgh. is sapsbeceisftioesd aitspshhaalltl-sabteursamteodo, thw-esuigrhfainceg inqotftl.esSseathmasnshSaSlllbbeptearppreodll aotfle1a0s8t 2speinc.ifiaegda,inshsat llthbee wseeaalethderwiatnhdlawphceen tmheennt.beTsheecurreodofiinngp-lfaeclte jwacitkhetcosphpaelrl swpierceisfioedr gcaelnvtaenrsi.zed bands spaced on outdBoloarnskeot-rtypexeppoispeed intsoulamtiooinstulorceateodr dabesracsriiboend sbhealollw.be weatherproofed as ing(s1)shPailplesb,evafilnviessh,edflawngitehs, aansdhefcitt-mfineitsahl, jaascksept,ecriofioefdi.ng-felt, or aspaltic no(lai)ghStehreetht-amneNtaol. 2ja8ckgeatgse, ssihnagllle boer dlaopupbelde 2gainlv.aangizaeinds. t tSheeamwseatshhearllanbde sgeaclvuarendizeidn pmlaecteal wbitahnd5s4,- morac^h4in-icn-. scternettecrhse.d and crimped, on specified spe(cbi)fieWd hietnshaallroobfeingsm-feolotthf-isnuisrhfacies ansobteslteosss tahsapnhalStS-salbturpaeterdr,olwl eoigfhi1n0g8 sq(cft), aPpippelise,dvaaslveasb,ovflea.nges, and fit tfiinnigssh mwayhebne fsipneischifeidedw, itahppalsipehdaltaics above.
InstaMlloaldtieodn-Tyopne pPiippees.I--nsuMlaotilodned-type mfieidnetrhailckwnoeosls p(sipeee TinasbulleatiIoInI) osfhaslplechie aopfpsliinedglein- osercdtioounballe-olrayseergmcoennsttarlucftoiromn,, ainsg sspheaclilfibeed.spaActedflaansgueffsi,ciepniptedicstoavnecre mfroomval tohfeboflltasngwehsentoflapnegrems iatreeaospyenerde.
pip(e1)inAsudljaatcioenntshpailelcbees buofttedseccltoiosnelayl tFoigge. th1e2r.) and banded in place. (See sho(2u)ldSle>egmseecnutraeld inpipplaece winitsIutlsaetipoan wraitree,losoppasceodf oNno.8-16t-oga1g.e2-ign.alvceanntiezresd, dinespuelnatdiionng thoinckntehses. piEpendssizoef wainrde lionotopsthsehailnlsbuelatbioennt, olevaevrinagndnopreshssaerdp pthreonjecbteiotnros.weIlendsuwlaetlilnigntoceamneyntcrsahcaklsl bFeigtw. e1e3n.) adjacent segments. (See eit(h3e)r Dinosuebclteio-lnaayleorr pseipgemeinntsaullaftoiromn,, sahnadll lboengapitpuldieindalwitjhoinctisrcusmtafgergeenrteidal, olamyeitrtsi.ng Tthhee cafnirvsats ljaaycekret sbheatlwl eebne owfirNedo. i1n6-gpalagceegawlvitahnizseedpawrairtee plpoaocpcds olanye8r- tsohal1l2-ibne. caepnptleiresd. sTnuhgelysecoovnedr t(hSeeefiFrsitg.la1v4e.)r and secured in place. fittiInngs*t.a--llaVtiaolvneso,nflvaanlgvees*,, falnadngefit,tianngds shall be(Ccoonvtienrueedd wonitphagiens1u6l2a)ting cc-
100
September. 1944 -- POW ER PLANT EN G IN E E R IN G -- Chicago, 111.
^^[oDEHN methods of baffling boilers have reduced flue gas temperatures and draft leases with a resulting Increase In ef ficiency, capacity, economy of operation and ultimate saving ol fuel.
Eneo Streamline Baffle* are built gas tight and at any angle acress the tubes, or interbank spaces, in all water tube boilers. Ttimhee c)oonbs.truction provides lor easy removal of tubes and is a Hie
The long sweeping curves promote the smooth rapid flow oi gases over practically every square loot oi the heating surface --gas passes are tapered in correct proportion to the contraction of the gas as it cools to maintain gas velocity. Bottle necks, dead gas strpaancsefesraannddsmooitnipmoucmketdsraafrte-loeslsi.minated with resulting better heat*
Flexibility in design and construction permits baffles to be placed in the most effective position Instead of a convenient, location for easy installation.
Since boilers differ as to site and location of superheaters, num ber of drums, location oi damper, nature oi fuel, use ol arches, water
walls, etc- the design of an Enco baffle for each boiler is an engineering study which requires, and gets, individual study. Abulletin m boMar bafflei gives valuable tefamaaffonwhfcb ^ .'
PRODUCED EXCLUSIVELY BY THE ENGINEER COMPANY
Insulation-- How to Install It
(Continued from page 100) pmipenet,inbsluolcaktioinn,sualsatsiopenc,ifoierdm. olded-type
bu(il1t) uIpnsinulasetipnagratececmoeantst noshaglrleatbeer ethqaunal Jt4o t>hne- itnhiscukl,atioton aon thadicjkanceesnst pfoipriningsublyatitnhge cmemethenotd asnhdowshnowabnovine Fig(.2)8.Blo(Sckees Fofig.a ISth)ickness Yi in. lpeispsintghasnhaltlhebeincsaurleaftuiollny oinnstaadlljeadceonnt laanrdgeupfititnindgisam(eatpeprr)oxainmdatseelcyure4d iinn. pwliarcee. wAith54-iNn.o.co1a6t-gofagiensuglaaltvianngizceed , mit ewntelslhainlltothtehne bceraacpkpsliebde,twtroeweneliandg jac(e3n)t Mbloolcdkesd.-ty(pSeee pFipige. 1i6n.s)ulation . mcoauyplinbges. useRdingtso oifnssuelcattieonafllanpgiepde cboevweriirnegd i1n)4platcoe 2onine.achwisdiede sohfouthlde fnleasnsge,thsaetlecwtiinllg parnoviindseulaatinonouthtsiicdke dthieamfleatnegre edqiuaaml etteor. orA gprieeaceterof tsheacn ctioovnearl ptihpee infslaunlagteionshloounlgd entohuengh btoe bAanpdpeldicaintiopnlacoe.f (fSineieshFiglo.c1a7te.)d in cdaotoedrs.i--ndMooorlsdeadn-dtypneotpeipxepoisnesdulatotiomn olios aturceanovrasabjraacskioent. shall be finished with jac(k1e)t Tfuhrenishfeadctsohrayl-lwbeeigdhrtawncatnigvhats, aanndd semndootlhaplys.paFstaecdtodroywnbaantdasllsshiadlel benedasppalniedd,onoeneatbitnhdeingcenthteer aodfjaecaecnht sec(t2i)onW. hen extra-weight canvas jcaacnkveatsisansdpebcaifnideds, (tihfefufrancitsohryed-w) e.ihgahllt bbee oemncitltoesde.d Tinhe40p-ilpbe irnossuinla-stiiozendshpaall 8p-eorz, ocvaenrvawshijcahckethte sshpaellcifbieed s6e-weodr nneoattlymoinre pltahcaen w1i4th inst.itcahpeasrt,spawciethd seInamsuslaltoiocnateodn wfhlaenregesle, asvtalvviessi,blea.nd ftiottinmgosisltoucraeteodr ianbdroaosrisonorshnaollt beexpocosevd efirneidshwinigthceam)4en-itn. . Pcooratltaonfd incesmulaentitngmaoyr be ad(1d)edWtohepnrovspideecifaiehd,ardaer6-finoirsh8.-oz cpaansvteads jnaecaktelyt sohvaellr ththeen bderysecwemedenotr. fSleawngeeds, caanndvafsittijnagcsketsshalol nbevamlvaedse, cjaocnetnintupoiupsingwbityh otvheerlacpapnivnags oornblaindd SAtitpcphliincga.tion of finish locate.d out adnodorfsi.t--tinMgsolldoecdat-etdypoeutdpoiopres oirnseuxlpaotisoend vtoidemdoiwstiuthre aorweaabtrhaesiro-pnrosohfallprobteecptirvoe sfipneicsihfieidn tfhoer bsalamnekegt-etnyeprealpmipeanninesrulaas tion.
162
,
/ September, 1944 -- POW ER PLANT E N G IN E E R IN G -- Chicago, 111.
TdhuicsatHaaidmaqayuautanitsuUppliecsomofpatcratsahndwaatratrramofelhyigahfafisctiaqnutaalivtyapaonradtoprutrhitayt .pr.o*. caanl ifmorpmorutlaantitontso,mpoinweerarptariondumctainounfaacntudrihnugmmanetchoondssu, mfopotidonp.rocessing, chemi HtoenSsOx,a0y00DipsotiullnadtisonpaSryshteomurs icnanonbee sbinugillte,igcoanmypadcetsiruendit.capTahceiytycfarnombe3,f0u0r0 nstiasihneldesswisthteaol,r wmiothnoelu,t cionptepgerralobrociloemrsb. inTathieoynscaonf btheefaabbroicvaetetdo fmroemet syteoaulr, panusrwpoesre.to Ganetatbounkdnoawnt mloowrecaobstousut ptphleyseofrepmuarrekawbaletarunrietsq--uitrheedyinmayyoubreptohset pwraorblpelmansn'o.w.. . or they may b'e the answer to an immediate war production
*> EFFECT EFFICIENCY w ith only 3 EFFECTS )Preinarkable achievement at design and performance!
HENSZEY
DISTILLATION SYSTEMS
Continuous Blowdown Hoot Exchangers Bailor Pood Regulators Food W ater M otors Flow Indicators e Proportioning Valves
When sGpuecidifeisedfo,r iPnasiuntliantgion finishes sphoaslelsbien paacitnotreddanfcoer iwdietnhti"fiSccahtieomnepuforr tihsseueIddebnytiftihceatiAomn eorficaPnipSintagndSayrsdtesmAss," stoiocniatioofnpai(nAt13s--ho1u9ld28)b.e dTehfeerreadppulinctail tehraeteidnsautlattheed deeqsuiigpnmteenmt phearsatubreeenfoorpa sdurfyfiociuetntalllencogmthpoofnetnimtseotfoththeoirnosutgalhllay tioWn.hen weatherproof finish of the eitmsuhlosiuflided-baespphrainlttetdypwe iitshtoatbelepaasitntoende, cleoaadt-ionf-oalilumpianiunmt. paAinstphbeaflto-rbeasaepplpyaiinngt mfinaiyshbewuhseend adirbelcatclky ocovleorr thise sapsepchiafiletidc. coaCt aonfvgalsueshsoizueldfoblelogwievdenbyat twleoastcooantes oisf nleoatd-oinr-doinilarpialyintp. ainGteadlvainmizmededimateetlayl fqoulilroewdi,nigt sahppoluicldatiboen.donIfe pinainacticnogrdisanrcee wlaittihngmcaenmuefanctsturaenrds' fdiinrieschtiinogns.cemInesnuts oberdpinaainritleyddwryithtoaanloignhptecnoeltorar,tianngdpmaianyt such as aluminum.
In order toMaminateinnatanicne high thermal esfufliactiieonncy liinfe,conthjuenctfioolnlowwiinthg lornegcomin mend(aa)tioInnsspaercct malaldein:sulation jobs pe
roiuotddiocaolrlsy, oprarteicxuploasrelyd tthoosemoloisctautreed, vib(rba)tioWn,heonr aebqruaispimone.nt is moved, or itfhefionrsuolathtieorn irseadsaomnasgetdheorfbineicsohmeosf ltooospe,revreepnatirdeotreriroepralaticoen.as required co(ncn)ecFtioorn awdivthiceanyonsppercoifbicleminssulian . ftiaocnturaeprploicrattihoen, ccoonntrsauclttorthewhmoanaup plied it.
Polarized Light Servo-System
(Continued from />/< 95) theAshsamftallofd-cthegemneortaotror anisd atittaschoeudtputot v(oCljt)agebetwiseeanppthlieedgritdhroaungdh cacthaopdaceitoorf tbuybethi(s2)g.eneTrahteor viosltpagroepo(reti)ongalenteorattehde sthpeeedfre(qwu)encoifestheencsoecuonntedraerdy tshheaftc.urrFeonrt tahcrrooussghtheCjg,ridanrdesitshteorrefoofrethtehetubveolt(a2g)e, is proportional to -^j, and is therefore proportional to the acceleration of the sthheaftt.woThliugsh, tthbeeacmonsdiitsioanntoicfipbaatleadn,ceanodf tfhreeesfyrsotemmthies hstuanbtiilnizgedor.aonsdcilrleatmioanrkcaobmly monIltyweixllpebreiennocetedd itnhasteravosinsygsletemlasm. p is ousfedligahst sao ltihgahtt asnoyurccheanfgoers binoththebelaigmhst output due to aging, darkening of the
UmtAmhr 1944 -- POW ER PLANT E N G IN E E R IN G -- Chicago, HI.