Lub tshuab nqus dej twj tso kua mis yog ib qho tseem ceeb ntawm cov khoom tsim los tiv thaiv cov kua dej los ntawm lub twj tso kua mis, ua kom muaj kev ua haujlwm zoo thiab ua haujlwm ntev.Los ntawm kev siv cov khoom sib xyaw ua ke uas tswj kev sib cuag nruj thaum nyob hauv kev txav, nws yog ib qho kev thaiv ntawm lub twj tso kua mis lub hauv paus mechanisms thiab ib puag ncig sab nraud.Lub foob no ua lub luag haujlwm tseem ceeb hauv kev tswj xyuas kev ncaj ncees ntawm cov twj siv dej thoob plaws ntau yam kev siv, los ntawm cov khoom siv hauv tsev mus rau kev siv tshuab.
Dej yog dab tsiPump Mechanical Foob?
Lub tshuab nqus dej twj tso kua mis ua haujlwm ua haujlwm tseem ceeb hauv ntau hom twj, ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv cov kua dej.Nyob nruab nrab ntawm lub rotating ncej thiab qhov chaw nyob ruaj ruaj ntawm lub twj tso kua mis, lub foob no tuav ib qho kev tiv thaiv uas tiv thaiv cov kua los ntawm kev khiav mus rau hauv ib puag ncig lossis mus rau lub twj tso kua mis nws tus kheej.Vim lawv qhov tseem ceeb hauv kev ua kom muaj kev ua haujlwm zoo, tsis muaj paug, kev nkag siab txog cov qauv thiab kev ua haujlwm ntawm cov ntsaws ruaj ruaj yog qhov tseem ceeb rau txhua tus neeg koom nrog hauv kev tu lub twj tso kua mis, tsim, lossis xaiv.
Kev tsim kho ntawm lub tshuab nqus dej twj tso kua mis muaj ob lub hauv paussealing ntsej muag: ib qho txuas rau lub rotating ncej thiab lwm qhov ruaj khov rau qhov chaw nres tsheb ntawm lub twj tso kua mis.Cov ntsej muag no tau raug tshuab thiab polished kom ntseeg tau tias muaj qhov tsawg tsawg thiab raug nias ua ke nrog lub zog tshwj xeeb los ntawm cov springs lossis lwm yam txheej txheem.Kev xaiv cov khoom siv rau cov ntsej muag sealing no yog qhov tseem ceeb vim tias nws yuav tsum ua kom haum rau ntau yam kev ua haujlwm, suav nrog qhov kub thiab txias, siab, tshuaj lom neeg sib xyaw nrog cov kua dej uas tau ntim, thiab cov khoom muaj peev xwm abrasive muaj nyob hauv cov kua.
Ib qho kev ntxim nyiam ntawm cov twj tso kua dej twj tso kua mis cov khoom siv sib khi ntawm cov khoom ntim khoom ib txwm yog lawv lub peev xwm los tuav cov kev kub ntxhov siab thiab lawv cov txiaj ntsig hauv kev muaj cov dej txaus ntshai lossis muaj txiaj ntsig nrog kev cuam tshuam ib puag ncig tsawg.Lawv cov qauv tsim kom txo qis kev sib txhuam los ntawm kev txhais lus rau hauv kev siv hluav taws xob zoo dua thiab txo cov nqi ua haujlwm dhau sijhawm.
Lub tshuab nqus dej twj tso kua mis ua haujlwm li cas?
Lub hauv paus ntsiab lus ntawm kev ua haujlwm tom qab lub tshuab foob yog qhov yooj yim tab sis muaj txiaj ntsig zoo.Thaum lub twj tso kua mis ua haujlwm, qhov kev sib hloov ntawm lub foob tig nrog lub ncej thaum qhov chaw nyob ruaj khov.Nruab nrab ntawm ob lub ntsiab lus no yog ib zaj duab xis nyias ntawm cov kua los ntawm lub twj tso kua mis nws tus kheej.Cov yeeb yaj kiab no tsis yog tsuas yog lubricates lub ntsej muag lub ntsej muag xwb tab sis kuj tseem ua haujlwm los tiv thaiv kev tawm tsam.
Qhov kev ua tau zoo ntawm lub tshuab sealing no tso siab rau kev tswj xyuas qhov zoo tshaj plaws ntawm kev tswj xyuas kev sib raug zoo (kom tiv thaiv kev sib tsoo) thiab txo qis kev sib txhuam (kom txo tau hnav).Txhawm rau ua tiav qhov kev sib npaug no, cov tshuab foob tau tsim los nrog cov polished thiab tiaj tus nto uas tso cai rau lawv ua kom sib haum xeeb rau ib leeg, txo cov dej xau thaum tseem txo qis hnav thiab tsim kua muag.
Mechanical seals siv lub caij nplooj ntoos hlav mechanisms los tswj lub siab tsis tu ncua ntawm lub ntsej muag foob, kho qhov hnav lossis ib qho misalignment ntawm cov ncej thiab lub twj tso kua mis.Qhov kev hloov pauv no ua kom ntseeg tau tias txawm tias tom qab siv qhov tseem ceeb, lub tshuab foob tuaj yeem txuas ntxiv ua haujlwm tau zoo, tiv thaiv cov dej xau tau zoo thoob plaws hauv nws lub neej kev pabcuam.
Qhov zoo ntawm Dej Pump Mechanical Seal
Kev Ua Tau Zoo Tshaj Plaws: Cov khoom siv tshuab sealing muab kev sib khi zoo dua piv rau cov txheej txheem ib txwm muaj xws li kev ntim cov qog, txo qhov kev pheej hmoo ntawm kev xau thiab txhawb kev nyab xeeb ib puag ncig.
Txo Cov Nqi Kho Mob thiab Nqi: Cov khoom siv hluav taws xob tau ruaj khov thiab yuav tsum tau hloov kho tsis tu ncua lossis hloov pauv, ua rau txo qis qis thiab txuag kev ua haujlwm ntev.
Kev txuag hluav taws xob: Kev tsim cov tshuab ntsaws ruaj ruaj txo kev sib txhuam, ua rau qis zog siv los ntawm cov twj tso kua mis thiab cov nqi txuag nyiaj ntau dhau sijhawm.
Versatility: Mechanical seals tuaj yeem tswj tau ntau yam dej, kub, siab, thiab tshuaj muaj pes tsawg leeg, ua rau lawv haum rau ntau yam kev siv thoob plaws hauv kev lag luam.
Txo Kev Hnav ntawm Cov Khoom Siv Pump: Kev sib khi zoo tshaj plaws txo qis hauv cov dej ntws tawm, tiv thaiv cov twj tso kua mis thiab cov kabmob los ntawm kev puas tsuaj thiab txuas ntxiv lub neej ntawm cov khoom tseem ceeb.
Technological Advancements: Kev nce qib hauv cov khoom siv thev naus laus zis tau ua rau kev tsim cov khoom lag luam txhim khu kev qha ntau dua tuaj yeem ua haujlwm nyob rau hauv huab cua yam tsis muaj kev ua haujlwm.Cov ntaub ntawv zoo li silicon carbide, tungsten carbide, thiab ceramics muab kev tiv thaiv zoo tiv thaiv tshav kub, hnav, thiab corrosion.
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Hom Mechanical Seals rau cov twj tso kua mis
Hom Mechanical Seals Description
Balanced vs.Tsis sib npaugBalanced seals tuav lub siab siab nrog minimized hydraulic load ntawm lub ntsej muag foob, ua kom lub neej ntev.Cov ntsaws ruaj ruaj tsis sib npaug yog qhov yooj yim dua, haum rau kev siv qis qis.
Pusher thiab Non-Pusher Seals Pusher seals siv cov ntsiab lus thib ob los tswj kev sib cuag ntawm qhov sib txawv, hloov tau zoo tab sis raug hnav.Cov ntsaws ruaj ruaj uas tsis yog cov ntsaws ruaj ruaj cia siab rau elastomeric bellows rau lub neej ntev thiab tsawg dua qhov txav.
Cartridge Seals Pre-assembled rau kev yooj yim installation, zoo tagnrho rau precision alignment, txo qhov yuam kev thiab txij nkawm lub sij hawm.Paub txog kev ntseeg tau thiab simplicity.
Bellow Seals Siv cov hlau los yog elastomeric bellows es tsis txhob ntawm cov springs, haum rau misalignment thiab tuav corrosive kua zoo.
Lip Seals Tsawg tus nqi thiab yooj yim, haum ncaj qha mus rau lub ncej nrog kev cuam tshuam haum, siv tau rau cov xwm txheej dav dav tab sis tsis haum rau kev siv dej siab lossis cov kua dej abrasive.
Balanced vs. Unbalanced Seals
Unbalanced Mechanical Seals feem ntau raug kev txom nyem los ntawm kev ua haujlwm siab dua ntawm lub ntsej muag foob, uas tuaj yeem ua rau muaj kev hnav thiab tsim kua muag.Kev tsim qauv yooj yim ua rau lawv zoo tagnrho rau cov ntawv siv qis, feem ntau tsis pub tshaj 12-15 tuav.Lawv qhov kev tsim kho ncaj qha txhais tau tias lawv feem ntau siv nyiaj ntau dua tab sis tej zaum yuav tsis haum rau cov tshuab hluav taws xob siab vim lawv txoj kev nyiam los ntawm kev ntxhov siab ntau ntxiv.
Balanced Mechanical Sealsyog engineered los tswj cov kev ntxhov siab ntau tau zoo, feem ntau siv rau hauv daim ntawv thov ntau tshaj 20 bars.Qhov no yog ua tiav los ntawm kev hloov kho lub foob lub geometry kom sib npaug ntawm cov kua siab ua haujlwm ntawm lub ntsej muag foob, yog li txo cov axial quab yuam thiab cua sov tsim ntawm lub interface.Raws li qhov txiaj ntsig zoo ntawm qhov kev sib npaug no, cov ntsaws ruaj ruaj no muaj kev txhim kho kev ua haujlwm ntev thiab kev ntseeg siab nyob rau hauv ib puag ncig siab, tab sis zoo li yuav nyuaj thiab kim dua li lawv cov khoom sib npaug.
Pusher thiab Non-Pusher Seals
Lub hauv paus tseem ceeb uas ua rau ob hom kev sib khi sib cais yog lawv cov txheej txheem rau kev hloov pauv ntawm lub ntsej muag hnav lossis qhov hloov pauv vim qhov kub thiab txias thiab qhov sib txawv ntawm qhov sib txawv.
Pusher Seals siv cov khoom sib txuas sib txuas, xws li O-ring lossis ib lub voj voog, uas txav axially raws tus ncej lossis lub tes tsho kom muaj kev sib cuag nrog lub ntsej muag foob.Qhov kev txav no ua kom ntseeg tau tias lub ntsej muag foob raug kaw thiab ua kom zoo, yog li them nyiaj rau kev hnav thiab thermal expansion.Pusher seals paub txog lawv qhov kev hloov pauv hauv ntau yam kev ua haujlwm, ua rau lawv xaiv qhov ua tau zoo rau ntau yam kev siv.
Tsis-Pusher SealsSiv cov khoom sib khi zoo li qub-feem ntau yog lub hauv siab (xws li hlau lossis elastomer)-uas hloov kho kom hloov mus rau qhov ntev ntawm lub ntsej muag foob yam tsis txav axially raws cov khoom uas lawv tau muab khi.Qhov kev tsim no tshem tawm qhov kev xav tau rau qhov kev sib txuas ntawm cov khoom sib txuas, txo qhov muaj peev xwm rau dai los yog ua raws los ntawm kev sib kis los yog tso rau ntawm cov khoom siv zawv zawg.Cov ntsaws ruaj ruaj uas tsis yog-pusher muaj txiaj ntsig tshwj xeeb hauv kev tuav cov tshuaj hnyav, kub siab, lossis qhov xav tau kev saib xyuas tsawg.
Qhov kev xaiv ntawm cov ntsaws ruaj ruaj thiab cov ntsaws ruaj ruaj feem ntau hinges rau kev ua haujlwm tshwj xeeb xws li hom kua dej, qhov kub thiab txias, qib siab, thiab kev txhawj xeeb ib puag ncig xws li tshuaj lom neeg sib xws thiab kev huv.Txhua hom muaj nws qhov tshwj xeeb zoo: pusher seals muaj ntau yam thoob plaws ntau yam kev mob thaum cov ntsaws ruaj ruaj uas tsis yog cov ntsaws ruaj ruaj muab kev ntseeg siab hauv kev xav tau nrog kev tu kom tsawg.
Cartridge Seals
Cartridge seals sawv cev rau kev nce qib tseem ceeb hauv kev ua haujlwm ntawm cov khoom siv kho tshuab rau cov twj tso kua dej.Cov ntsaws ruaj ruaj no txawv los ntawm lawv cov qauv tsim txhua yam, uas suav nrog lub foob thiab caj pas rau hauv ib chav tsev.Qhov xwm txheej ua ntej no ua kom yooj yim cov txheej txheem kev teeb tsa thiab txo qis kev teeb tsa uas tuaj yeem ua rau lub foob tsis ua haujlwm.Cartridge seals yog tsim los rau kev yooj yim ntawm kev saib xyuas thiab kev ntseeg tau, ua rau lawv nyiam xaiv rau cov ntawv thov uas precision thiab durability yog qhov tseem ceeb.
Lub ntsiab lus tseem ceeb ntawm cov ntsaws ruaj ruaj yog lawv lub peev xwm los ua kom tsis zoo ntawm lub twj tso kua mis thiab lub foob chamber.Tsis zoo li cov khoom siv ib txwm siv uas yuav tsum tau ua kom muaj kev sib raug zoo kom ua haujlwm tau zoo, cov foob pob hluav taws tau zam txim rau qee qhov kev tsis sib haum xeeb, yog li txo qis hnav thiab txuas ntxiv kev pab cuam lub neej.Cov cwj pwm no muaj txiaj ntsig tshwj xeeb hauv cov ntawv thov uas muaj kev sib hloov ceev ceev lossis kev ua haujlwm sib txawv.
Kev tsim kho cov ntsaws ruaj ruaj muaj xws li ob peb yam tseem ceeb: lub ntsej muag tig, uas tig nrog lub twj tso kua mis;ib lub ntsej muag nyob ruaj ruaj, tiv thaiv uas lub ntsej muag tig swb;springs los yog bellows uas siv axial quab yuam kom tuav lub ntsej muag;thiab lwm yam sealing cov ntsiab lus uas tiv thaiv kom tsis txhob ntws raws tus ncej thiab los ntawm lub caj pas phaj.Cov khoom siv rau cov khoom no txawv nyob ntawm qhov kev pabcuam tab sis feem ntau suav nrog silicon carbide, tungsten carbide, ceramics, thiab ntau yam elastomers.
Cartridge mechanical seals muab kev ua haujlwm zoo xws li kev txhim kho thermal stability thiab txhim khu kev tiv thaiv kom muaj peev xwm.Lawv cov qauv tsim muaj peev xwm txo qhov kev pheej hmoo ntawm kev puas tsuaj thaum tuav lossis kev teeb tsa - qhov teeb meem tshwm sim nrog cov khoom tawg yooj yim dua.Tsis tas li ntawd, txij li lawv yog lub Hoobkas sib dhos thiab kev sim siab, qhov tshwm sim ntawm kev sib dhos tsis raug yog txo qis.
Bellow Seals
Cov ntsaws ruaj ruaj hauv qab yog ib pawg tshwj xeeb ntawm cov tshuab foob siv feem ntau hauv cov twj tso dej.Lawv cov qauv tsim siv cov khoom siv accordion hloov pauv tau los ua kom lub ntsej muag lub ntsej muag, ua rau lawv tau txais txiaj ntsig zoo ntawm kev ua haujlwm ntawm cov ncej misalignment thiab khiav tawm, nrog rau axial txav ntawm lub ncej.Qhov kev hloov pauv no yog qhov tseem ceeb rau kev tuav lub kaw ntom ntom hauv kev ua haujlwm sib txawv.
Kev ua haujlwm ntawm cov ntsaws ruaj ruaj hauv qab tsis yog nyob ntawm qhov chaw thau khoom tsim nyog kom lub ntsej muag sealing ua ke;Hloov chaw, lawv siv cov elasticity ntawm cov khoom hauv qab nws tus kheej.Cov yam ntxwv no tshem tawm ntau cov ntsiab lus tsis ua tiav thiab ua rau lawv lub neej ntev thiab kev ntseeg tau.Cov ntsaws ruaj ruaj hauv qab tuaj yeem tsim los ntawm ntau cov ntaub ntawv, suav nrog hlau thiab ntau yam elastomers, txhua tus xaiv raws li cov kev thov tshwj xeeb xws li kub tsis kam, tshuaj lom neeg sib raug zoo, thiab lub zog tuav.
Muaj ob yam tseem ceeb ntawm cov ntsaws ruaj ruaj: hlau bellows thiab elastomer bellows.Hlau hauv qab ntsaws ruaj ruaj yog nyiam nyob rau hauv high-temperature daim ntaub ntawv los yog thaum soj ntsuam nrog nruj heev chemicals uas yuav degrade softer cov ntaub ntawv.Elastomer bellow seals feem ntau yog siv nyob rau hauv qhov chaw tsis tshua muaj zog tab sis muab kev yooj yim zoo thiab muaj txiaj ntsig zoo rau ntau yam kev siv.
Ib qho tseem ceeb kom zoo dua ntawm kev siv cov ntsaws ruaj ruaj hauv qab yog lawv lub peev xwm los tswj ntau tus nqi ntawm axial ncej txav yam tsis muaj kev poob haujlwm.Qhov no ua rau lawv muaj txiaj ntsig tshwj xeeb hauv cov ntawv thov uas qhov kev loj hlob thermal ntawm lub twj tso kua mis yog qhov xav tau los yog qhov chaw cov khoom siv tsis tuaj yeem tswj tau meej.
Tsis tas li ntawd, txij li cov ntsaws ruaj ruaj hauv qab tuaj yeem tsim los ua haujlwm yam tsis tas siv cov cuab yeej pabcuam (kom txias lossis lubrication), lawv txhawb kev tsim cov twj tso kua mis yooj yim dua thiab kev lag luam ntau dua los ntawm kev txo cov khoom siv sab hauv.
Hauv kev tshuaj xyuas kev xaiv cov khoom siv rau cov ntsaws ruaj ruaj, kev sib raug zoo nrog cov twj nruab nrab yog qhov tseem ceeb.Cov hlau zoo li Hastelloy, Inconel, Monel, thiab ntau yam stainless hlau yog cov kev xaiv rau cov chaw nyuaj.Rau elastomer bellows, cov ntaub ntawv xws li nitrile roj hmab (NBR), ethylene propylene diene monomer (EPDM), silicone rubbers (VMQ), thiab fluoroelastomers zoo li Viton raug xaiv raws li lawv cov resilience tiv thaiv cov kua sib txawv 'corrosive los yog erosive los.
Daim di ncauj
Dip seals yog ib hom kev sib tsoo uas siv rau hauv cov twj tso kua dej, tsim feem ntau rau cov ntawv siv hluav taws xob tsawg.Cov yam ntxwv los ntawm lawv cov kev yooj yim thiab kev ua tau zoo, di ncauj ntsaws ruaj ruaj muaj cov hlau casing uas tuav ib daim di ncauj hloov tau tawm tsam lub rotating ncej.Daim di ncauj no tsim lub dynamic sealing interface uas tiv thaiv dej los yog lwm yam kua los ntawm kev xau thaum tso cai rau tus ncej tig dawb do.Lawv cov qauv tsim feem ntau ncaj nraim, ua rau lawv muaj kev xaiv nyiaj txiag rau ntau daim ntawv thov.
Kev ua tau zoo ntawm daim di ncauj hauv cov twj tso kua dej yog nyob ntawm qhov xwm txheej ntawm lub ntsej muag ntawm lub ntsej muag thiab xaiv cov khoom foob raws li qhov chaw ua haujlwm.Cov khoom siv feem ntau siv rau daim di ncauj muaj xws li nitrile roj hmab, polyurethane, silicone, thiab fluoropolymer elastomers, txhua qhov muaj qhov zoo sib xws ntawm qhov kub thiab txias, tshuaj lom neeg sib xws, thiab hnav tsis kam.
Kev xaiv qhov zoo ntawm daim di ncauj rau lub twj tso kua dej yuav tsum xav txog yam xws li hom kua dej, qhov siab ntau, qhov kub thiab txias, thiab qhov nrawm nrawm.Kev xaiv cov khoom siv tsis raug lossis kev teeb tsa tsis raug tuaj yeem ua rau tsis ua tiav ntxov ntawm lub foob.Yog li ntawd, nws yog ib qho tseem ceeb kom ua raws li cov chaw tsim khoom cov lus qhia thiab cov kev coj ua zoo tshaj plaws thaum xaiv thiab kev teeb tsa.
Txawm hais tias lawv cov kev txwv nyob rau hauv cov xwm txheej muaj kev kub ntxhov piv rau lwm yam khoom siv foob xws li cov khoom sib npaug los yog cov ntsaws ruaj ruaj, daim di ncauj ntsaws ruaj ruaj tau siv dav vim lawv cov nqi-zoo thiab yooj yim ntawm kev saib xyuas.Lawv tshwj xeeb tshaj yog nyiam nyob rau hauv cov dej hauv tsev, cov twj tso kua mis hauv tsheb, thiab cov kev siv teeb pom kev zoo uas muaj kev kub ntxhov nyob nruab nrab.
Tsim Cov Dej Pump Mechanical Seal
Lub intricacies ntawm kev tsim ib tug zoo mechanical seal yuav tsum muaj ntau yam tseem ceeb, nrog rau kev xaiv ntawm cov ntaub ntawv tsim nyog, nkag siab txog kev ua hauj lwm tej yam kev mob, thiab optimizing lub ntsej muag geometry.
Ntawm nws cov tub ntxhais, lub twj tso kua mis twj tso kua mis muaj ob lub ntsiab lus tseem ceeb uas yog qhov tseem ceeb rau nws txoj haujlwm: ib qho chaw ruaj khov txuas nrog lub twj tso kua mis thiab ib qho rotating ib feem txuas nrog lub ncej.Cov khoom no tuaj rau hauv kev sib cuag ncaj qha ntawm lawv lub ntsej muag sealing, uas yog polished kom ua tiav qib siab ntawm smoothness, txo kev sib txhuam thiab hnav lub sijhawm.
Ib qho ntawm qhov tseem ceeb ntawm kev tsim qauv yog xaiv cov ntaub ntawv uas tuaj yeem tiv taus ntau yam kev ua haujlwm xws li kub hloov pauv, tshuaj lom neeg raug, thiab puas.Cov khoom siv feem ntau suav nrog silicon carbide, tungsten carbide, ceramic, stainless hlau, thiab carbon graphite.Txhua yam khoom muaj cov khoom tshwj xeeb catering rau qhov sib txawv sealing ib puag ncig thiab kev siv.
Lwm qhov tseem ceeb hauv kev tsim kho tshuab foob yog ntsuas hydraulic siab ntawm lub ntsej muag foob.Qhov kev sib npaug no txo qis kev xau thiab txo lub ntsej muag hnav.Cov kws tshaj lij siv cov txheej txheem kev suav qib siab thiab kev sim cov txheej txheem los twv seb cov qauv tsim yuav ua li cas raws li kev ua haujlwm tiag tiag.Los ntawm cov txheej txheem tsim qauv tsim ua ke nrog kev txheeb xyuas qhov tseeb (FEA) simulations, cov tuam ntxhab tuaj yeem kho cov foob pob hluav taws rau kev ua haujlwm zoo.
Seal lub ntsej muag geometry nws tus kheej plays lub luag haujlwm tseem ceeb hauv kev tswj cov yeeb yaj kiab tuab ntawm lub ntsej muag nyob rau hauv qhov sib txawv ntawm qhov sib txawv thiab nrawm.Kev tsim kho lub ntsej muag kom zoo pab faib cov kua dej sib npaug ntawm thaj chaw saum npoo av, txhim kho lubrication thiab txias thaum ib txhij txo qis hnav.
Ntxiv rau cov ntsiab lus no, kev saib xyuas yog qhia rau kev siv cov yam ntxwv uas haum rau axial lossis radial txav los ntawm thermal expansion lossis vibration.Xws li cov qauv tsim kom ntseeg tau tias kev sib cuag ntawm qhov chaw sib khi tsis muaj kev ntxhov siab ntau dhau uas tuaj yeem ua rau ua tsis tiav ntxov.
Khoom siv ntawm Dej Pump Mechanical Foob
Foob ntsej muag cov khoom siv
Silicon Carbide Exceptional hardness, thermal conductivity, tshuaj tiv thaiv
Tungsten Carbide Zoo heev hardness, hnav tsis kam (feem ntau nkig tshaj silicon carbide)
Ceramic High corrosion kuj, haum rau chemically aggressive ib puag ncig
Graphite Self-lubricating zog, siv qhov twg lubrication nyuaj
Secondary Sealing Elements Materials
O-rings / Gaskets Nitrile (NBR), Viton (FKM), Ethylene Propylene Diene Monomer (EPDM), Perfluoroelastomers (FFKM)
Cov khoom siv hlau metallurgical
Springs / Hlau Bellows Stainless hlau (xws li, 304, 316) rau corrosion kuj;Cov khoom sib txawv xws li Hastelloy lossis Alloy 20 rau qhov chaw muaj corrosive hnyav
Xaiv Txoj Cai Dej Pump Mechanical Seal
Thaum xaiv lub tshuab foob tsim nyog rau lub twj tso kua dej, muaj ntau yam tseem ceeb uas yuav tsum tau nco ntsoov.Kev xaiv zoo pob khawm rau kev nkag siab txog cov kev cai sib txawv ntawm daim ntawv thov thiab ntsuas ntau yam uas cuam tshuam rau kev ua haujlwm foob.Cov no suav nrog qhov xwm txheej ntawm cov dej uas tau tso tawm, kev ua haujlwm, kev sib raug zoo ntawm cov ntaub ntawv, thiab cov qauv tsim tshwj xeeb ntawm lub foob.
Cov kua dej ua lub luag haujlwm tseem ceeb;Cov tshuaj aggressive xav tau cov ntsaws ruaj ruaj ua los ntawm cov ntaub ntawv tiv thaiv corrosion los yog tshuaj tua kab mob.Ib yam li ntawd, cov kua dej abrasive yuav tsum muaj lub ntsej muag tawv ntsej muag kom tiv thaiv kev hnav ntxov ntxov.Kev khiav hauj lwm xws li siab, kub, thiab ceev dictate seb ib tug sib npaug los yog tsis sib npaug foob yog haum, thiab yog hais tias ib tug pusher los yog tsis-pusher hom yuav txhim khu kev qha.
Kev sib khi ntawm cov khoom sib txuas yog qhov tseem ceeb rau kev ua haujlwm ntev thiab kev ua haujlwm zoo.Silicon carbide, tungsten carbide, thiab ceramics yog ib qho kev xaiv rau lub ntsej muag lub ntsej muag vim lawv qhov muaj zog thiab tsis kam mus rau huab cua.Qhov thib ob sealing ntsiab - feem ntau elastomers zoo li Viton los yog EPDM - yuav tsum tau sib xws nrog cov txheej txheem kua los tiv thaiv degradation.
Ntxiv nrog rau cov kev xav no, qee cov ntawv thov tuaj yeem tau txais txiaj ntsig los ntawm cov khoom tshwj xeeb xws li cov ntsaws ruaj ruaj rau kev yooj yim ntawm kev teeb tsa, cov ntsaws ruaj ruaj hauv qab rau cov ntawv thov nrog kev txwv axial txav, los yog di ncauj seals rau qhov xav tau tsawg dua.
Thaum kawg, xaiv lub twj tso kua mis twj tso kua mis txoj cai muaj kev soj ntsuam ntxaws ntxaws ntawm txhua daim ntawv thov tshwj xeeb xav tau.Kev sab laj nrog cov tuam txhab lag luam lossis cov kws tshaj lij tuaj yeem muab kev nkag siab zoo rau qhov twg foob hom thiab cov khoom siv sib xyaw ua ke zoo tshaj plaws nrog koj cov kev xav tau, ua kom muaj kev ua haujlwm zoo thiab cov khoom siv txuas ntxiv mus.Kev paub hauv cheeb tsam no tsis tsuas yog txhim kho kev ua tau zoo xwb tab sis kuj txo qis kev pheej hmoo ntawm kev ua tsis tiav thiab cov nqi kho mob.
Dab tsi ua rau Dej Pump Mechanical Seal Failure?
Kev teeb tsa tsis raug: Yog tias lub foob tsis raug zoo los yog zaum thaum lub sijhawm teeb tsa, nws tuaj yeem ua rau hnav tsis sib xws, xau, lossis ua tiav tsis ua tiav hauv kev ua haujlwm nyuaj.
Kev xaiv cov khoom siv foob tsis raug: Xaiv cov khoom foob tsis raug rau ib daim ntawv thov tshwj xeeb tuaj yeem ua rau cov tshuaj lom neeg degradation lossis thermal puas thaum raug cov kua dej uas muaj corrosive lossis kub rau cov khoom xaiv.
Cov yam ntxwv ua haujlwm: qhuav khiav, ua haujlwm lub twj tso kua mis tsis muaj kua txaus, tuaj yeem ua rau muaj cua sov ntau dhau los ua rau kev puas tsuaj.Cavitation, uas tshwm sim thaum vapor npuas tsim nyob rau hauv cov kua vim muaj kev hloov pauv sai ntawm lub siab thiab tom qab ntawd tawg rau lawv tus kheej, tuaj yeem hnav thiab ua rau cov khoom siv sib khi thaum lub sijhawm.
Kev tuav tswj tsis raug lossis kev saib xyuas tsis raug: Kev siv dhau qhov kev txwv tsis pub dhau lub siab dhau, qhov kub siab tshaj qhov tsim qauv, lossis kev sib hloov ceev uas tshaj qhov foob tau tsim los ua kom nrawm thiab tsim kua muag.Kev kis kab mob hauv lub cev - los ntawm cov khoom me me uas tau txais ntawm qhov chaw sib khi - ua kom lub cev tsis zoo thiab.
Yuav ua li cas kho lub tshuab foob ntawm lub twj tso kua mis dej?
Kauj Ruam 1: Kev Npaj thiab Kev Nyab Xeeb
Ua kom muaj kev nyab xeeb: Ua ntej pib ua haujlwm, hnav cov iav kev nyab xeeb tsim nyog thiab tshem tawm txhua qhov chaw siv hluav taws xob rau lub twj tso kua dej kom tsis txhob muaj xwm txheej.
Ntxuav thaj chaw ua haujlwm: xyuas kom lub chaw ua haujlwm huv si thiab tsis muaj cov khib nyiab los tiv thaiv kev sib kis thaum lub sijhawm kho.
Kauj ruam 2: Dismantling lub twj tso kua dej
Ua tib zoo dismantle: Tshem cov bolts los yog cov ntsia hlau uas tuav lub twj tso kua mis thiab lwm yam khoom, ua raws li cov khoom tshem tawm kom yooj yim rov ua dua tom qab.
Access mechanical seal: Thaum dismantled, nrhiav thiab nkag mus rau lub tshuab foob hauv lub twj tso kua mis.
Kauj Ruam 3: Kev Tshawb Fawb thiab Kev Ntsuam Xyuas
Tshawb xyuas kev puas tsuaj: Ua tib zoo tshuaj xyuas lub tshuab foob rau cov cim ntawm kev puas tsuaj xws li tawg, hnav ntau dhau, lossis xeb.
Txiav txim siab hloov qhov xav tau: Yog tias lub foob puas lawm, nws yuav tsum tau hloov nrog qhov tsim nyog hloov uas haum rau lub twj tso kua mis specifications.
Kauj Ruam 4: Txhim kho Cov Mechanical Seal Tshiab
Cov chaw huv si: Ntxuav txhua qhov chaw sib tiv tauj kom tshem tawm cov khib nyiab lossis cov khoom seem, ua kom muaj kev sib khi zoo ntawm lub foob tshiab.
Nruab lub caij nplooj ntoos hlav sab: Ua tib zoo tso lub caij nplooj ntoos hlav sab ntawm lub foob tshiab rau hauv lub tes tsho ncej, xyuas kom nws zaum zoo yam tsis muaj quab yuam ntau dhau.
Siv cov roj nplua nyeem: Yog tias tsim nyog, siv cov roj nplua nyeem me me kom yooj yim installation.
Kauj ruam 5: Aligning thiab haum
Kho qhov chaw nyob ruaj khov: Teem thiab nias kom haum rau qhov chaw ruaj khov ntawm lub foob rau hauv nws lub rooj zaum hauv lub twj tso kua mis lossis lub caj pas phaj, ua kom muaj kev sib raug zoo kom tiv thaiv kom tsis txhob tawg lossis ua tsis tiav ntxov.
Kauj ruam 6: Reassembly
Rov qab rov qab disassembly: Rov ua dua txhua qhov hauv qhov kev txiav txim rov qab ntawm kev tshem tawm, ua kom txhua yam kev ruaj ntseg rau nws qhov chaw torque teev kom tsis txhob xoob qhov chaw thaum lub sijhawm ua haujlwm.
Kauj Ruam 7: Kev Tshawb Fawb Kawg
Manually rotate ncej: Ua ntej reconnecting fais fab, manually tig lub twj tso kua mis ncej kom paub tseeb tias tsis muaj kev cuam tshuam thiab tag nrho cov Cheebtsam txav mus dawb raws li xav tau.
Tshawb xyuas cov dej xau: Tom qab rov ua dua, xyuas kom muaj qhov xau nyob ib puag ncig thaj chaw foob kom ntseeg tau tias kev txhim kho kom raug.
Lub Pump Mechanical Seals Ntev npaum li cas?
Lub neej ntev ntawm lub twj tso kua mis mechanical seals yog ib qho tseem ceeb ntawm kev saib xyuas thiab kev ua haujlwm zoo hauv ntau daim ntawv thov kev lag luam.Feem ntau, nyob rau hauv cov xwm txheej zoo, lub tshuab foob tau zoo tuaj yeem nyob qhov twg los ntawm 1 txog 3 xyoos ua ntej yuav tsum tau hloov lossis kho.Txawm li cas los xij, nws tseem ceeb heev uas yuav tsum nco ntsoov tias lub neej kev pabcuam tiag tiag tuaj yeem sib txawv raws li ntau yam.
Cov yam tseem ceeb uas cuam tshuam rau kev ua haujlwm ntawm lub twj tso kua mis twj tso kua mis muaj xws li cov ntawv thov kev lag luam tshwj xeeb, kev ua haujlwm xws li kub thiab siab, hom kua dej twj, thiab muaj cov khoom abrasive lossis corrosive hauv cov kua.Tsis tas li ntawd, cov khoom muaj pes tsawg leeg ntawm lub foob thiab nws cov qauv tsim (sib npaug vs. unbalanced, cartridge vs. bellow, thiab lwm yam) ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab nws lub neej ntev.
Kev tu txhua hnub thiab kev teeb tsa kom zoo kuj tseem ceeb heev rau kev ncua lub neej expectancy ntawm cov ntsaws ruaj ruaj.Ua kom ntseeg tau tias lub ntsej muag lub ntsej muag nyob twj ywm huv thiab tsis zoo, saib xyuas cov cim ntawm kev hnav thiab tsim kua muag, thiab ua raws li cov chaw tsim khoom tshwj xeeb rau kev ua haujlwm tuaj yeem ua rau lawv lub sijhawm ua haujlwm tau zoo.
Yuav Ua Li Cas Txog Kev Ua Haujlwm Li Cas ntawm Kev Siv Tshuab Seal Yuav Txuas?
Extending lub neej ntawm ib tug neeg kho tshuab foob nyob rau hauv cov twj tso kua mis muaj kev tu xyuas zoo, kev txhim kho kom zoo, thiab kev ua haujlwm nyob rau hauv cov kev txwv tsis pub dhau.
Kev xaiv kom raug raws li daim ntawv thov yuav tsum ua kom muaj kev sib raug zoo nrog rau kev ua haujlwm.Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua txo qis hnav thiab tiv thaiv kev ua tsis tiav ua ntej lawv ua qhov tseem ceeb.Kev ua kom cov kua dej huv yog qhov tseem ceeb vim tias cov khoom paug tuaj yeem ua rau kom hnav.Txhim kho kev tswj ib puag ncig, xws li cov phiaj xwm foob foob, tswj cov cua sov kom zoo thiab tshem tawm cov khoom uas tuaj yeem ua rau lub ntsej muag foob.
Kev ntsuas qhov ntsuas kev ua haujlwm kom tsis txhob muaj kev kub ntxhov ntau dhau los yog qhov kub thiab txias uas dhau ntawm lub foob qhov tshwj xeeb yog qhov tseem ceeb rau kev ua haujlwm ntev.Kev siv lub tshuab lubrication thiab cua txias thaum tsim nyog yuav pab tswj xyuas cov xwm txheej zoo rau kev ua haujlwm foob.Tsis txhob qhuav khiav tej yam kev mob khaws cia ruaj khov nyob rau lub sij hawm.
Cov neeg ua haujlwm cob qhia txog cov kev coj ua zoo tshaj plaws rau kev pib thiab kaw cov txheej txheem tiv thaiv kev ntxhov siab tsis tsim nyog ntawm cov tshuab foob.Ua raws li lub sijhawm tu ncua sij hawm los tshuaj xyuas cov khoom xws li cov springs, bellows, thiab kaw dab tshos rau cov cim ntawm hnav lossis kev puas tsuaj ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntev.
Los ntawm kev tsom mus rau kev xaiv kom raug, kev txhim kho qhov tseeb, kev tiv thaiv kev tiv thaiv kab mob ingress, thiab ua raws li cov lus qhia ua haujlwm, lub neej ntev ntawm cov twj tso kua mis twj tso kua mis tuaj yeem txhim kho tau zoo.Txoj hauv kev no tsis yog tsuas yog tiv thaiv kev ntseeg siab ntawm cov twj tso kua mis xwb tab sis kuj ua kom zoo dua qhov kev ua tau zoo tag nrho los ntawm kev txo qis qis thiab cov nqi tu.
Nyob rau hauv xaus
Hauv cov ntsiab lus, lub twj tso kua mis twj tso kua mis yog ib qho tseem ceeb ntawm cov khoom tsim los tiv thaiv kev xau thiab xyuas kom muaj kev ua haujlwm zoo ntawm cov twj centrifugal los ntawm kev tuav ib qho kev cuam tshuam ntawm cov kua dej uas tau nqus thiab ib puag ncig sab nraud.
Post lub sij hawm: Mar-08-2024