Terminal Seal Aging: Neglected Core Cause of Electric Heater Short Circuit and Leakage Failure
Feem ntau lub tshuab hluav taws xob luv luv thiab qhov ua txhaum ntawm cov dej xau yog vim muaj kev laus hauv cov rwb thaiv tsev thiab kev kub hnyiab qhuav hauv kev saib xyuas, thaum lub davhlau ya nyob twg siab - kub sealant aging tsis ua hauj lwm feem ntau tsis quav ntsej raws li qhov tseem ceeb ntawm kev nyab xeeb. Lub davhlau ya nyob twg sealing qauv yog qhov tsis muaj zog txuas ntawm hluav taws xob cua sov raj, ua cov dej tsis zoo, tsis muaj plua plav thiab rwb thaiv tsev thaiv kev ua haujlwm. Ntev -lub sij hawm siab- kub ci, ib puag ncig noo noo yaig thiab thermal voj voog kev laus ua rau sealant cracking, hmoov poob thiab tsis ua hauj lwm, ua rau tsis tu ncua noo noo thiab plua plav ntxeem tau ntawm lub raj taub hau. Qhov kev ua txhaum tsis raug saib xyuas no ua rau muaj coob tus ntawm cov luv luv luv luv thiab cov xau tsis ua haujlwm, uas tuaj yeem zam tau zoo nrog kev saib xyuas tus qauv thiab ntsuas qhov ntsuas kub ntawm thermocouple.
Tsim nyog siab -kub lub davhlau ya nyob twg sealant muaj cov rwb thaiv tsev zoo heev, kub tsis kam thiab sealing kev ua tau zoo, tag nrho cais cov huab cua sab nraud thiab cov plua plav tawm ntawm cov khoom siv rwb thaiv tsev. Cov qauv sealing zoo ua kom ruaj khov rwb thaiv tsev ntawm thaj chaw davhlau ya nyob twg thiab tiv thaiv kev cuam tshuam ib puag ncig sab nraud. Tom qab ntev -lub sij hawm siab- kub ua haujlwm, lub sealant maj mam hardens, muaj hnub nyoog thiab tawg, poob thawj sealing elasticity thiab rwb thaiv tsev muaj peev xwm. Cov qhov khoob me me uas tsim los ntawm kev tawg ua cov kab ruaj khov rau cov dej vapor thiab plua plav ntxeem tau.
Aging sealant ua ntej ua rau muaj kev cuam tshuam ntawm cov dej noo thiab cov av hauv av to. Hauv cov chaw ua haujlwm ntub dej, dej vapor txuas ntxiv nkag mus rau hauv lub davhlau ya nyob twg sab hauv los ntawm cov kab nrib pleb, ua rau cov khoom siv hluav taws xob sab hauv kom nqus dej noo thiab txo cov rwb thaiv tsev. Rwb thaiv tsev attenuation ua rau muaj kev sib cuam tshuam thiab kev tiv thaiv ib puag ncig, uas nthuav tawm cov yam ntxwv tsis raug thiab nyuaj rau nrhiav. Nrog tas li noo noo tsub zuj zuj, cov rwb thaiv tsev hauv zos lov tag nrho los tsim lub davhlau ya nyob twg grounding luv luv Circuit Court.
Deg plua plav thiab roj av tsub zuj zuj ntxiv aggravates lub davhlau ya nyob twg tsis ua hauj lwm. Cov txheej txheem sealing tsis tuaj yeem thaiv cov impurities sab nraud, ua rau cov plua plav thiab cov roj fume deposition ntawm lub davhlau ya nyob twg. High-kub ua haujlwm carbonizes av rau hauv cov pa roj carbon deposits, tsim cov kab txuas mus tas li ntawm cov terminals thiab plhaub. Hom davhlau ya nyob twg luv luv Circuit Court no yog concentrated nyob rau hauv lub raj taub hau txoj hauj lwm, nrog rau nruab nrab raj lub cev qauv kiag li lawm, yooj yim ua rau misjudgment ntawm lub raj tsis ua hauj lwm.
Kev saib xyuas thermocouple pab ceeb toom ntxov ntawm lub davhlau ya nyob twg tsis ua haujlwm. Terminal aging tsis ua hauj lwm yog nrog los ntawm lub zos kub txawv txav nce thiab kub concentration ntawm lub raj taub hau. Siab -rhiab heev thermocouple sensors ntes qhov hloov pauv kub hloov pauv, ceeb toom cov neeg ua haujlwm saib xyuas lub davhlau ya nyob twg sealing ua ntej. Ua ke nrog kev tiv thaiv kev tiv thaiv kev tiv thaiv tsis tu ncua, zais qhov phom sij ntawm sealant kev laus tuaj yeem raug tshem tawm tag nrho ua ntej luv Circuit Court thiab to.
Tsis tu ncua sealing txij nkawm thiab tsom kev tiv thaiv yog cov ntsiab lus tseem ceeb. Kev tshuaj xyuas txhua hnub tsom rau kev sealant cracking, hmoov ntog thiab discoloration; me ntsis hnub nyoog terminals yuav tsum tau raws sij hawm resealing thiab ntxiv dag zog. High- kub thiab av noo ua hauj lwm tej yam kev mob xav tau siab - zoo siab - kub resistant waterproof sealant configuration. Ua ke nrog cov kws tshaj lij kev ntsuas kub ntsuas kub thiab cov txheej txheem kev saib xyuas, lub davhlau ya nyob twg-vim luv luv Circuit Court thiab qhov tsis ua txhaum tuaj yeem raug tshem tawm, kom ntseeg tau ntev - lub sijhawm ua haujlwm ruaj khov ntawm cov khoom siv cua sov.
