Thaum lub txim hluav taws kub hnyiab cov pa roj hauv lub cev muaj zog, qhov kev tsim pov thawj tawg muaj qhov sib txuas sab hauv los tiv thaiv kev tawg lossis hluav taws ntau dua.Lub cev muaj zog tawg tau raug cim kom meej nrog daim ntawv teev npe uas txheeb xyuas nws qhov tsim nyog rau qhov chaw muaj kev phom sij.
Nyob ntawm lub chaw haujlwm lees paub lub cev muaj zog, daim ntawv teev npe yuav qhia meej txog qhov chaw muaj kev phom sij hauv chav kawm, Division, thiab Pab Pawg uas lub cev muaj zog.Cov koom haum uas tuaj yeem lees paub lub cev muaj zog rau lub luag haujlwm txaus ntshai yog UL (Tebchaws Meskas), ATEX (European Union), thiab CCC (Tuam Tshoj).Cov koom haum no cais cov chaw muaj kev phom sij rau hauv Chav Kawm - uas txhais cov kev phom sij uas yuav muaj nyob hauv ib puag ncig;Division - uas txheeb xyuas qhov muaj feem yuav muaj kev phom sij nyob rau hauv ib txwm ua haujlwm;thiab pab pawg - uas txheeb xyuas cov ntaub ntawv tshwj xeeb tam sim no.
Cov txheej txheem UL lees paub peb yam kev phom sij: Cov pa taws kub hnyiab, vapors lossis kua (Class I), combustible dusts (Class II), lossis ignitable fibers (Class III).Division 1 qhia tias cov khoom siv phom sij muaj nyob rau hauv kev ua haujlwm ib txwm muaj, thaum Division 2 qhia tias cov khoom siv tsis zoo nyob rau hauv ib txwm muaj.Pab pawg yuav tshwj xeeb txheeb xyuas cov khoom siv phom sij tam sim no, xws li cov khoom siv hauv Chav Kawm I ntawm Acetylene (A), Hydrogen (B), Ethylene (C), lossis Propane (D).
Cov European Union muaj cov ntawv pov thawj zoo sib xws uas muab cov chaw ib puag ncig rau hauv ib cheeb tsam.Zones 0, 1, thiab 2 yog tsim rau cov pa roj thiab vapors, thaum thaj tsam 20, 21, thiab 22 yog tsim rau plua plav thiab fiber ntau.Lub cheeb tsam tus naj npawb qhia qhov tshwm sim ntawm cov khoom muaj nyob rau hauv ib txwm ua haujlwm nrog thaj tsam 0 thiab 20 ntawm qhov siab heev, 1 thiab 21 ntawm qhov siab thiab qhov qub, thiab 2 thiab 22 ntawm qis.
Raws li lub Kaum Hlis 2020, Tuam Tshoj xav kom lub cev muaj zog uas ua haujlwm hauv qhov chaw muaj kev phom sij kom muaj CCC ntawv pov thawj.Yuav kom tau txais ntawv pov thawj, cov khoom raug kuaj los ntawm lub koom haum kuaj cov ntawv pov thawj rau cov kev cai tshwj xeeb los ntawm tsoomfwv Suav.
Nws yog ib qho tseem ceeb los xyuas lub npe ntawm lub cev muaj zog rau cov kev cai tshwj xeeb, kev phom sij tam sim no, thiab lwm yam kev txiav txim siab ib puag ncig los txiav txim siab qhov tawg pov thawj lub cev muaj zog.Cov ntaub ntawv pov thawj tawg qhia txog hom kev phom sij uas haum rau lub cev muaj zog.Kev siv lub tshuab hluav taws xob tawg hauv qhov chaw muaj kev phom sij uas nws tsis raug ntsuas tshwj xeeb tuaj yeem ua rau muaj kev phom sij.
Post lub sij hawm: Feb-04-2023
