Cov thawv ntim khoom tiv thaiv zoo li qub kuj tseem hu ua hnab ntim khoom siv. Raws li qib kev phom sij hluav taws xob hluav taws xob thiab lawv cov qauv sab hauv, lawv tuaj yeem faib ua plaub pawg. Hom kev faib tawm no tau siv dav los ntawm ntau tus neeg hauv Europe. Thaum Lub Rau Hli 2003, Pawg Neeg Saib Xyuas European rau Kev Siv Hluav Taws Xob Txuj Ci CENELEC tau tshaj tawm cov ntaub ntawv CLC/TR50404" Electrostatics-Code of Practice rau kev zam kev phom sij ntawm hluav taws xob hluav taws xob&". Qhov no yog tus txheej txheem zoo heev rau kev ua haujlwm electrostatic hauv ntau yam kev lag luam. Muaj ib tshooj uas taw qhia cov cai rau kev nyab xeeb siv lub thawv ntim khoom kom ntxaws. Tus qauv faib FIBC ua plaub pawg: Hom A, Hom B, Hom C, thiab Hom D.
Hom A cov khoom tiv thaiv zoo li qub tsis muaj qhov tshwj xeeb kev nyab xeeb hluav taws xob. Yog li ntawd, lawv tsis pom zoo siv rau kev kho cov plua plav thiab cov hmoov ua tshuaj lom. Ib qho ntxiv, lawv tsis tuaj yeem siv qhov twg muaj huab cua huab cua lossis cov kuab tshuaj ua kom muaj kuab paug tuaj. Hom FIBC no feem ntau yog xaws nrog cov ntaub zoo tib yam woven polypropylene thiab yog cov rwb thaiv tsev. Qee zaum, raws li qhov xav tau ntawm kev siv, Hom Lub Hnab Ntim Ntim yuav siv lub hnab ntim sab hauv lossis txheej txheej txheej.
Lub hnab ntim khoom tiv thaiv zoo li qub B zoo ib yam li Hom A, thiab tseem ua los ntawm daim ntaub zoo tib yam woven polypropylene. Txawm li cas los xij, qhov hluav taws xob tawg ntawm cov ntaub qhwv ntawm Hom B hnab tsis tuaj yeem siab dua 4KV. Qhov no txhais tau tias Hom B ntau lub hnab yuav tsis tsim tawm hom-txhuam txhuam tawm. Nov yog qhov kev faib tawm tseem ceeb, uas yog hais, ob peb qhov kev tso tawm uas tuaj yeem tsim tawm ntawm lub hnab ntim ntau yog lub zog txhuam txhuam qis. Yog tias hom kev nthuav tawm txhuam txhuam tuaj yeem raug tshem tawm, thiab lub zog loj ntawm txhuam txhuam yog 4mJ, muaj qhov laj thawj ntseeg tias hom ntim lub hnab ntim khoom no muaj kev nyab xeeb rau ib puag ncig cov pa hluav taws uas muaj hluav taws xob me me tsis tshaj 4mJ. Ib yam li ntawd, rau cov plua tshauv uas nws lub zog hluav taws kub tsis tshaj 4nd, cov hnab ntim khoom no kuj muaj kev nyab xeeb. Txawm li cas los xij, Hom B ntau lub hnab tsis tuaj yeem siv rau hauv qhov chaw ib puag ncig cov pa roj carbon tawg. Nws yuav tsum tau sau tseg tias qee lub Hoobkas tsim FIBCs ua tau raws li Hom B kev faib tawm tus qauv, tab sis lawv tseem tuaj yeem ua rau muaj xwm txheej. Piv txwv li, thaum kuaj los ntawm lub koom haum ntsuas, nws ua tau raws li Hom B tus qauv. Txawm li cas los xij, hauv kev siv tiag, qhov hluav taws xob tawg tau siab dua 4KV vim yog txheej txheej ntawm lub hnab ntim sab hauv thiab lub cev lub cev, uas ua rau Lub Hnab Hom B nws tau dhau los ua Hom A.
Hom C cov thawv ntim khoom tiv thaiv kab mob tau tsim los rau qhov chaw nkag tau yooj yim thiab kub hnyiab tau, suav nrog cov pa hluav taws kub hnyiab hydrocarbon hnyav ua pa ib puag ncig. Lub hnab ntim khoom no yog ua los ntawm cov ntaub qhwv lossis cov ntaub qhwv nrog txheej/tiv thaiv hluav taws xob txheej. Cov ntaub ntawv coj los ua tau yog cov ntaub qhwv sib txuas nrog cov xov hluav taws xob/cov xov paj tiaj. Hauv qee qhov kev tsim qauv, cov xov hluav taws xob sib txuas ua ke thiab qhov sib nrug yog 20mm. Kuj tseem muaj cov qauv tsim uas siv cov kab lo lo lo lo ntxhuav coj mus rau hauv lub network, thiab cov plaub hau sib tshuam ua ke ib qho zuj zus. Cov xaim hluav taws xob feem ntau yog cov xaim hluav taws xob ncaj lossis cov hlau xaim hluav taws xob.
Hom D lub thawv ntim khoom muaj cov khoom tiv thaiv zoo li qub lossis zoo li qub thiab tsis tas yuav tsum muaj av. Feem ntau Hom D FIBCs ntawm kev ua lag luam yog ua los ntawm cov xov nyias nyias ib nrab coj los sib txuas rau hauv cov ntaub qhwv. Tsis zoo li tus qauv ntawm Hom C FIBC, cov xov hluav taws xob ib nrab no zoo ib yam tab sis tsis hla kev sib txuas. Hom FIBC no yuav muaj txheej txheej tshem tawm zoo li qub, yog li peb feem ntau hu ua Hom D FIBC raws li kev coj ua FIBC. Vim nws cov txheej txheem tsim khoom nyuaj, tus nqi yuav yog 20% siab dua li peb hom saum toj no. txog
