Ob chav eccentric mos foob npauj npaim li qub feem ntau siv rau hauv ntau daim ntawv thov kev lag luam, tshwj xeeb tshaj yog thaum tsim hluav taws xob tsim nyog. Cov li qub no tau tsim los muab cov peev txheej kaw tau ruaj khov thiab kev ua tau zoo sealing zoo nyob rau hauv qhov chaw kub kub. Lub fireproof tsim ntawm ob chav eccentric mos foob npauj npaim li qub muaj ob peb yam tseem ceeb thiab cov ntaub ntawv los xyuas kom meej lawv cov kev nyab xeeb thiab kev ua haujlwm thaum muaj hluav taws kub. Nov yog qee qhov ntawm lawv cov qauv tsim hluav taws xob:
Kev xaiv cov ntaub ntawv: Fireproof npauj npaim li qub yog tsim los siv cov ntaub ntawv uas tuaj yeem tiv taus qhov kub thiab txias. Lub cev thiab disc ntawm lub valve feem ntau yog ua los ntawm cov khoom siv hluav taws xob xws li stainless hlau, cam khwb cia hlau, lossis cov alloys tshwj xeeb uas muaj cov ntsiab lus melting siab.
Soft Sealing Khoom: Lub foob mos nyob rau hauv ob chav eccentric npauj npaim li qub yog qhov tseem ceeb rau kev ua tiav qhov kev ruaj ntseg kaw thaum lub sijhawm ua haujlwm thiab thaum muaj hluav taws kub. Lub foob mos yog tsim los ntawm cov ntaub ntawv xws li graphite, PTFE (Teflon), los yog lwm yam hluav taws kub-resistant compounds. Cov ntaub ntawv no tuaj yeem tiv taus qhov kub thiab txias thiab tuav lub foob nruj txawm tias nyob rau hauv qhov xwm txheej hnyav.
Fireproof Txheej: Txhawm rau txhim kho qhov hluav taws kub ntawm lub valve, qee yam khoom siv tuaj yeem coated nrog cov khoom siv hluav taws xob. Piv txwv li, qhov chaw sab nraud ntawm lub valve lub cev thiab cov actuator tuaj yeem raug coated nrog cov tshuaj tua hluav taws los yog txheej txheej los tiv thaiv kev sib kis ntawm cov nplaim taws.
Secondary Sealing Mechanism: Ntxiv rau qhov tseem ceeb ntawm cov foob pob hluav taws, cov npauj npaim hluav taws kub kuj tseem tuaj yeem suav nrog cov txheej txheem sib txuas ntawm cov hlau-rau-hlau. Qhov kev foob thib ob no yog qhib rau hauv rooj plaub uas cov foob mos raug puas los yog cuam tshuam thaum muaj hluav taws kub, muab cov txheej txheem ntxiv ntawm kev tiv thaiv tawm.
Fireproof Packing thiab Stem Seal: Lub qia ntawm tus npauj npaim valve uas txuas lub actuator rau lub disc yuav tsum tau muab kaw kom txaus kom tsis txhob muaj hluav taws xob thaum muaj hluav taws kub. Fireproof packing cov ntaub ntawv, xws li graphite los yog ceramic fiber, yog siv los kaw lub qia thiab tiv thaiv kom tsis txhob muaj hluav taws kub thiab kub gases.
Actuator thiab Control System: Lub actuator uas ua haujlwm ntawm npauj npaim valve yuav tsum muaj qhov tsim hluav taws kub. Nws yuav tsum tau ua los ntawm cov khoom siv hluav taws kub-resistant thiab yuav tsum tau nruab nrog cov txheej txheem fireproof. Tsis tas li ntawd, lub kaw lus tswj thiab qhov taw qhia txoj haujlwm rau lub valve yuav tsum tau tsim los tiv thaiv qhov kub thiab txias thiab ua haujlwm txuas ntxiv thaum muaj hluav taws kub.
Ua raws li Cov Qauv: Fireproof npauj npaim li qub yuav tsum ua raws li cov qauv kev lag luam thiab cov kev cai rau kev nyab xeeb hluav taws. Cov qauv no xyuas kom meej tias cov li qub tau sim thiab tau lees paub los tiv thaiv qee qhov hluav taws kub thiab tswj lawv txoj kev sib khi.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lo lus "fireproof" tsis txhais hais tias lub valve yog tag nrho impervious rau hluav taws puas. Hloov chaw, nws qhia tau hais tias lub valve yog tsim los tiv thaiv hluav taws, tiv thaiv kom tsis txhob yaig, thiab tswj nws cov kev ua haujlwm rau qee lub sijhawm thaum muaj hluav taws kub, tso cai rau cov neeg ua haujlwm kaw thaum muaj xwm txheej ceev thiab tiv thaiv kev puas tsuaj ntxiv. Qhov tshwj xeeb fireproof peev xwm thiab lub sij hawm sib txawv nyob ntawm seb lub valve tus tsim thiab cov ntaub ntawv siv. Thaum xaiv qhov hluav taws kub npauj npaim li qub, nws yog ib qho tseem ceeb los xav txog cov ntawv thov tshwj xeeb thiab qib kev tiv thaiv hluav taws uas yuav tsum tau ua.
