Ob qhov kev faib tawm ntawm cov tshuaj lom thiab teeb meem roj ntes
Cov tshuaj lom thiab teeb meem roj tuaj yeem hu ua gas detectors. Cov txheej txheem yog ntsuas cov yam ntxwv ntawm cov roj tsis tau los ntawm cov khoom siv hluav taws xob built-in. Yog tias cov roj concentration ntau dua cov roj concentration, nws yuav muab lub tswb ceeb toom rau tus neeg siv. Yog hais tias cov roj concentration ntau tshaj qhov teeb meem, lub tswb yuav raug muab tam sim ntawd. , Txhawm rau tiv thaiv lub neej thiab kev noj qab haus huv ntawm cov neeg ua haujlwm kev nyab xeeb khoom siv.
Cov pa phem thiab cov pa phem feem ntau tuaj yeem muab faib ua ob pawg: kev tshawb nrhiav roj combustible thiab kuaj pom cov pa phem.
Kev kuaj pom cov pa hluav taws xob feem ntau yog siv rau hauv cov roj av, tshuaj lom neeg thiab lwm qhov chaw uas muaj cov pa phem phem tshwm sim, feem ntau yog cov pa roj carbon monoxide xws li alkanes thiab inorganic gases, xws li methane thiab carbon monoxide. Thaum cov roj combustible mus txog ib qho concentration, nws yuav tawg nrog txaus oxygen concentration thiab qhov hluav taws kub. Kev tawg tuaj yeem ua rau muaj hluav taws kub loj thiab xwm txheej, ua rau muaj kev hem thawj rau tib neeg lub neej thiab kev nyab xeeb ntawm vaj tse. Yog li ntawd, nyob rau hauv kev lag luam uas tsim ib tug loj npaum li cas ntawm volatile organic tebchaw nyob rau hauv ntau lawm thiab tsim cov txheej txheem, nws yog ib qho tseem ceeb heev uas yuav tsum tau siv tej flammable gas detection raws li ib tug qauv rau kev ruaj ntseg, vim hais tias feem ntau volatile organic tebchaw yog flammable.
Lub peev xwm ntawm daim ntawv thov ntawm cov pa tshuaj lom neeg tshawb pom yog qhov dav dua, uas yog tsom rau cov khoom siv hluav taws xob tsis zoo (VOC) muaj nyob hauv cov khoom siv raw rau kev tsim khoom, lossis cov pa roj xws li ammonia (NH3), carbon monoxide (CO), hydrogen sulfide (H2S) tsim. nyob rau hauv cov txheej txheem ntau lawm), hydrogen cyanide (HCN), nitric oxide (NO), sulfur dioxide (SO2) thiab lwm yam gases. Qhov concentration ntawm cov pa roj no ntau tshaj ib qho qauv, uas yuav ua rau tsis xis nyob rau tib neeg lub cev, ua rau ntau yam kab mob, thiab ncaj qha mus rau kev tuag nyob rau hauv mob hnyav. Nyob rau tib lub sijhawm, kev saib xyuas cov pa phem thiab cov pa phem no yog qhov teeb meem tseem ceeb tshaj plaws hauv kev ua haujlwm tiv thaiv kab mob hauv tebchaws.
Cov tshuaj lom thiab phom sij yog siv rau ntawm qhov chaw nrhiav kom pom qhov concentration ntawm cov pa phem thiab cov pa phem hauv huab cua puag ncig, kev soj ntsuam xwm txheej xwm txheej ceev (tshwj xeeb) kev soj ntsuam, tshawb pom cov pa phem thiab cov pa phem hauv chaw ua haujlwm noj qab haus huv, kev nyab xeeb ntawm kev lag luam petrochemical. , thiab kev tshawb nrhiav pom ntawm cov tso tsheb hlau luam, cov kav dej, thiab cov li qub, thiab lwm yam. Lub sensor configuration ntawm lub ntsuas yog hloov tau, thiab nws yuav configured nrog catalytic combustion hom, electrochemical hom, infrared, photoionization (PID) sensors thiab detectors, thiab 7 ntau hom roj sensors yuav ntsia tau rau tib lub sij hawm. Kev tshawb nrhiav ntau yam ntawm cov pa roj carbon monoxide muaj peev xwm ncav cuag 1ppb-10000ppm.
