Cov neeg ua haujlwm thiab cov khoom siv ntawm lub tuam txhab uas ua haujlwm hauv thaj chaw muaj kev phom sij yeej ib txwm muaj kev pheej hmoo los ntawm kev tawg uas yuav tshwm sim yog tias tsis ua raws li cov txheej txheem kev nyab xeeb. Ib lub tuam txhab yuav tsum muaj teeb pom kev zoo. Tsis tas li ntawd, lub teeb hluav taws xob tiv thaiv hluav taws xob yuav tsum tau siv los ntawm ib lub tuam txhab uas ua lag luam nyob rau hauv qhov chaw rhiab lossis txaus ntshai. Cov pa phem xws li propane thiab methane ua rau txo qis ntawm kev tawg. Ntau lub lag luam, suav nrog cov roj refineries, chemical factories, cov tuam txhab ua zaub mov, thiab cov mines, ntiav cov khoom tawg-pov thawj teeb pom kev zoo.
Thaum ua hauj lwm nyob rau hauv ib puag ncig txaus ntshai, tus qauv illumination tsis tuaj yeem ua tau raws li cov teeb meem tshwj xeeb uas tshwm sim.
Explosion-resistant teeb piav qhia
Lo lus "explosion proof" tsis tau lees tias lub teeb pom kev zoo yuav nyob twj ywm tsis muaj kev puas tsuaj thaum muaj kev tawg lossis hluav taws. Nws yeej txhais tau hais tias lub teeb yog tsim los kom muaj cov pa taws uas yuav txwv tsis pub pib hluav taws lossis tawg hauv qhov chaw me me.
Lub teeb pom kev zoo yog tiv thaiv los ntawm ib qho loj thav duab thiab lo ntsiab muag. Lub fixture tsim ib tug channel ntawm sparks thiab ntxiv ignition qhov chaw, xws li tej zaum tam sim no flammable vapors, plua plav, los yog fibers nyob rau hauv qhov chaw uas lub fixture yog mounted. Cov khoom siv muaj zog thiab kav ntev dua yog ua tau los ntawm cov thav ntawv nrog cov txheej txheem sib txawv thiab cov lo ntsiab muag tuab.
Kev tawg thiab hluav taws kub txaus ntshai yog qhov tsawg heev vim yog qhov kev tsim kho ntawm cov teeb pom kev tawg resistant. Yog li ntawd, qhov no ua rau muaj kev nyab xeeb rau cov neeg ua haujlwm hauv qhov chaw txaus ntshai.
Qhov zoo
Qhov tseeb tias cov teeb pom kev tawg-pov thawj LED siv lub zog tsawg dua li cov teeb pom kev zoo yog qhov txiaj ntsig tseem ceeb. Feem ntau, lub teeb pom kev tawg-pov thawj LED siv 90 feem pua tsawg zog dua li tus qauv teeb tsa. Cov teeb no tawv, yog li lawv yuav tsum nyob ntev li ntawm 50, 000 teev ntawm lawv qhov qub teeb pom kev zoo. Hauv cov xwm txheej tsis tshua muaj, txawm tias siv tsis tu ncua, lawv txawm tiv taus 100, 000 teev. Kev saib xyuas qis dua thiab kev siv nyiaj ua haujlwm yog qhov tshwm sim ntawm kev ua haujlwm ntev thiab txhim kho kev ua haujlwm.
Los ntawm kev tiv thaiv lub ignition ntawm combustible gases thiab vapors nyob rau hauv lub confined ib puag ncig, txhim kho tawg-pov thawj teeb pom kev zoo txo qhov txaus ntshai ntawm explosions. Qhov tseem ceeb tshaj, txhua yam khoom siv teeb pom kev zoo siv rau qhov xwm txheej txaus ntshai yuav tsum ua raws li National Electric Code, lossis NEC, uas yog tsim los ntawm National Fire Protection Association (NFPA).
Kev faib tawm
Cov ntaub ntawv pov thawj tawg ntau yam uas tau teev tseg hauv qab no yog txiav txim siab los ntawm ib puag ncig thiab cov txheej txheem kev nyab xeeb tshwj xeeb.
Kev sib xyaw ntawm Zones 0 thiab 1 yog lub npe hu ua Class I, Division 1 cheeb tsam.
Zone 0 cov cheeb tsam muaj qhov tseem ceeb ntawm cov pa hluav taws xob, vapors, plua plav, lossis cov kua dej uas ib txwm muaj thiab kav ntev thaum ua haujlwm.
Cov pa hluav taws xob, vapors, plua plav, lossis kua dej tuaj yeem muaj nyob rau txhua lub sijhawm thaum lub sijhawm ua haujlwm niaj hnub ntawm Zone 1 qhov chaw.
Chav Kawm I, Division 2, lossis Zone 2 cov chaw yog cov khoom siv hluav taws xob uas muaj hluav taws xob feem ntau tsis tuaj yeem ua haujlwm tsis tu ncua thiab tej zaum yuav muaj ntau qhov xwm txheej txawv txawv, xws li kev xau sai. Raws li txoj cai dav dav, qhov xwm txheej tsis zoo yuav tsum tsis pub dhau 10 teev txhua xyoo.
Cov chaw uas tsis muaj kev phom sij lossis cais tsis raug muab rau Chav Kawm I, Division 1 lossis Division 2, Cheeb Tsam 0, Cheeb Tsam 1 lossis Thaj Chaw 2, lossis ib qho kev sib xyaw ntawm cov npe no. Piv txwv li, siv cov tshuaj aerosol nyob rau hauv pej xeem lossis ntiag tug tsev. Cov tshuaj tsuag aerosol tuaj yeem suav nrog cov roj hluav taws xob, txawm hais tias lub caij nyoog ntawm kev tawg ntawm lawv tseem tsawg heev.
