Qhov rwb thaiv tsev ntawm asbestos hlau zoo li cas?
Txheem
Kuv tsab xov xwm hauv qab no yuav tham txog dab tsi asbestos hlau insulated hlau zoo li thiab muab cov lus qhia muaj txiaj ntsig.
Asbestos hlau rwb thaiv tsev yog ib qho kev xaiv nrov rau hluav taws xob xaim hluav taws xob thaum xyoo 20.th xyoo pua, tab sis kev tsim khoom raug txiav tawm vim muaj ntau yam kev txhawj xeeb txog kev noj qab haus huv thiab kev nyab xeeb.
Hmoov tsis zoo, kev tshuaj xyuas qhov muag ib leeg tsis txaus los txheeb xyuas asbestos hlau rwb thaiv tsev. Asbestos fibers tsawg dhau и lawv yog tsis yogn tsw. Koj yuav tsum paub tias nws yog hom hlau twg, thaum nws tau teeb tsa thiab qhov twg nws tau siv rau ua ib qho kev kawm kwv yees txog qhov yuav tshwm sim uas cov rwb thaiv tsev muaj asbestos. Kev ntsuam xyuas asbestos yuav paub tseeb tias nws muaj los yog tsis muaj.
Kuv mam li qhia koj seb yuav saib dab tsi, tab sis ua ntej kuv yuav muab koj cov keeb kwm luv luv ntawm vim li cas kev txiav txim siab qhov rwb thaiv tsev ntawm cov xov hlau asbestos tseem ceeb heev.
Cov ntaub ntawv keeb kwm luv luv
Kev siv asbestos
Asbestos tau dav siv los thaiv cov xov hluav taws xob hauv North America txij li xyoo 1920 txog 1988. Nws tau siv rau nws cov khoom muaj txiaj ntsig ntawm tshav kub thiab hluav taws kub, hluav taws xob thiab acoustic rwb thaiv tsev, zuag qhia tag nrho durability, siab tensile zog, thiab acid kuj. Thaum siv feem ntau rau kev rwb thaiv tsev hluav taws xob hluav taws xob, ib daim ntawv hlau qis tau tshwm sim hauv qee qhov chaw nyob. Txwv tsis pub, nws tau siv tsuas yog hauv qhov chaw uas muaj qhov kub thiab txias.
Kev txhawj xeeb txog kev siv asbestos yog thawj zaug raug cai nyob rau hauv Txoj Cai Tswj Tshuaj Tiv Thaiv Kab Mob ntawm 1976 thiab Asbestos Emergency Response Act of 1987. Txawm hais tias US Environmental Protection Agency tau sim txwv tsis pub cov khoom lag luam asbestos feem ntau hauv xyoo 1989, asbestos mining hauv Teb Chaws Asmeskas tau tso tseg xyoo 2002 thiab nws tseem raug xa mus rau hauv lub tebchaws.
Risks ntawm asbestos rwb thaiv tsev
Asbestos hlau rwb thaiv tsev yog ib qho kev phom sij rau kev noj qab haus huv, tshwj xeeb tshaj yog thaum cov hlau raug hnav lossis puas, lossis yog tias nws nyob hauv ib qho chaw tsis khoom hauv tsev. Kev cuam tshuam ntev rau cov huab cua hauv asbestos fiber ntau tuaj yeem ua rau hauv lub ntsws cov ntaub so ntswg thiab ua rau ntau yam kab mob, xws li mob ntsws cancer, asbestosis thiab mesothelioma. Feem ntau cov tsos mob tsis tshwm sim txog ntau xyoo tom qab.
Asbestos tam sim no tau lees paub tias yog cov kab mob carcinogen, yog li cov neeg siv hluav taws xob tsis siv nws thiab nrhiav kev tshem tawm lossis hloov nws. Yog tias koj tsiv mus rau hauv ib lub tsev qub, koj yuav tsum xyuas cov hlau rwb thaiv tsev rau asbestos.
Yuav ua li cas txheeb xyuas asbestos insulated thaiv
Txhawm rau pab txheeb xyuas cov kab hluav taws xob asbestos, nug koj tus kheej plaub nqe lus nug:
- Qhov xwm txheej ntawm cov hlau yog dab tsi?
- Cov kab no yog dab tsi?
- Thaum twg txoj hlua khi ua tiav?
- Cov kab hluav taws xob nyob qhov twg?
Qhov xwm txheej ntawm cov hlau yog dab tsi?
Yog hais tias cov hlau, raws li koj xav, tej zaum yuav muaj asbestos rwb thaiv tsev nyob rau hauv ib tug puas mob, koj yuav tsum tseem hloov nws. Nws yuav tsum raug tshem tawm txawm tias nws tsis siv, tab sis nyob rau hauv ib chav tsev los ntawm cov neeg. Saib xyuas cov cim ntawm kev txiav, huab cua, tawg, thiab lwm yam. Yog tias cov rwb thaiv tsev tawg los yog poob yooj yim, nws tuaj yeem ua rau muaj kev phom sij txawm tias nws muaj asbestos.
Hom kab no yog dab tsi?
Hom kev xaim tuaj yeem qhia tau yog tias cov rwb thaiv tsev muaj asbestos. Muaj ntau ntau hom hlau nrog asbestos rwb thaiv tsev (saib lub rooj).
| qeb | Hom | Description (Hloov nrog…) |
| Asbestos Insulated Hlau (Class 460-12) | A | rwb thaiv tsev asbestos |
| AA | asbestos rwb thaiv tsev thiab asbestos braid | |
| AI | impregnated asbestos rwb thaiv tsev | |
| AIA | asbestos impregnated rwb thaiv tsev thiab asbestos braid | |
| Npuag asbolaked hlau (chav kawm 460-13) | AVA | asbestos rwb thaiv tsev impregnated nrog varnished ntaub thiab asbestos braid |
| AVB | asbestos rwb thaiv tsev impregnated nrog varnished ntaub thiab hluav taws-resistant paj rwb braid | |
| AVL | asbestos rwb thaiv tsev impregnated nrog varnished ntaub thiab txhuas txheej | |
| Lwm yam | AF | asbestos tshav kub-resistant reinforcing hlau |
| AVC | asbestos rwb thaiv tsev interlaced nrog armored cable |
Hom kev thaiv kab hluav taws xob feem ntau txhawj xeeb hu ua vermiculite, muag hauv qab lub npe Zonolite. Vermiculite yog ib txwm muaj cov ntxhia sib xyaw ua ke, tab sis qhov tseem ceeb los ntawm qhov uas nws tau txais (ib kuv nyob hauv Montana) ua rau nws paug. Nws zoo li mica thiab muaj cov nplais silvery.
Yog tias koj pom cov kab hluav taws xob zoo li no hauv koj lub tsev, koj yuav tsum hu rau tus kws tshaj lij kom kuaj xyuas nws. Lwm hom kev rwb thaiv tsev uas muaj asbestos muaj xws li Gold Bond, Hi-Temp, Hy-Temp, thiab Super 66.
Ib hom asbestos hlau rwb thaiv tsev yog cov tshuaj tsuag pwm uas tsim cov huab cua hauv huab cua. Nws tsuas yog muaj kev nyab xeeb dua yog tias cov rwb thaiv tsev tau raug kaw zoo tom qab txau. Cov kev cai uas twb muaj lawm feem ntau tso cai tsis pub ntau tshaj 1% asbestos los siv rau hauv cov tshuaj tsuag rwb thaiv tsev thiab bitumen lossis resin binders.
Thaum twg txoj hlua khi ua tiav?
Cov xaim hauv koj lub tsev yog tej zaum ntsia tau thaum lub tsev tau ua ntej. Ntxiv rau qhov nrhiav tau qhov no, koj yuav tsum paub thaum twg asbestos hlau rwb thaiv tsev tau siv thawj zaug hauv koj cheeb tsam lossis lub tebchaws thiab thaum twg nws raug txiav tawm. Thaum twg koj lub zos lossis lub teb chaws txoj cai txwv tsis pub siv asbestos hlau rwb thaiv tsev?
Raws li txoj cai, rau Tebchaws Meskas qhov no txhais tau tias lub sijhawm ntawm 1920 thiab 1988. Cov tsev tsim tom qab xyoo no tseem yuav muaj cov asbestos, tab sis yog tias koj lub tsev tau tsim ua ntej xyoo 1990, tshwj xeeb tshaj yog nyob rau xyoo 1930 thiab 1950s, muaj lub caij nyoog siab uas cov hlau rwb thaiv tsev yuav yog asbestos. Hauv Tebchaws Europe, lub xyoo txiav tawm yog nyob ib ncig ntawm 2000, thiab thoob plaws ntiaj teb, cov rwb thaiv tsev asbestos tseem siv tau txawm tias WHO tau hu rau kev txwv txij li xyoo 2005.
Cov kab hluav taws xob nyob qhov twg?
Lub tshav kub-resistant zog ntawm asbestos-insulated thaiv ua rau nws zoo tagnrho rau cov chav uas muaj cua sov. Yog li, qhov muaj peev xwm ntawm cov xaim hluav taws xob nrog cov asbestos yog siab yog tias cov khoom siv yog, piv txwv li, ib qho qub hlau, ci ci, qhov cub igniter lossis teeb pom kev zoo, lossis yog tias cov xaim hluav taws xob nyob ze ntawm cov khoom siv cua sov xws li lub tshuab hluav taws xob lossis lub boiler.
Txawm li cas los xij, "loo-fill" hom asbestos hlau rwb thaiv tsev kuj tau siv dav hauv lwm qhov chaw xws li attics, sab hauv phab ntsa, thiab lwm qhov chaw hollow. Nws muaj ib tug fluffy kev ntxhib los mos. Yog tias koj xav tias asbestos xaim rwb thaiv tsev hauv koj lub tsev, koj yuav tsum nyob deb ntawm nws, tsis txhob khaws cov khoom nyob ntawd, thiab hu rau tus kws tshaj lij kom tshem tawm cov asbestos.
Ib hom kev txheeb xyuas tau yooj yim dua ntawm asbestos rwb thaiv tsev yog cov laug cam los yog cov blocks glued rau phab ntsa kom nkaum thaiv. Lawv yog ua los ntawm cov asbestos ntshiab thiab muaj kev phom sij heev, tshwj xeeb tshaj yog tias koj pom cov chips lossis txiav rau lawv. Asbestos rwb thaiv tsev boards tom qab xaim yuav nyuaj rau tshem tawm.
Asbestos xeem
Tej zaum koj yuav xav tias cov hlau yog insulated nrog asbestos, tab sis yuav tsum tau kuaj asbestos kom paub meej tias qhov no. Qhov no suav nrog kev ceev faj txog qhov muaj peev xwm ua rau muaj kev phom sij, thiab khawb lossis txiav kom coj tus qauv rau kev kuaj xyuas microscopic. Txij li qhov no tsis yog ib yam dab tsi uas tus tswv tsev yuav ua tau, koj yuav tsum hu rau tus kws tshaj lij tshem tawm asbestos. Encapsulation yuav raug pom zoo es tsis txhob tshem tawm tag nrho cov asbestos hlau rwb thaiv tsev, nyob ntawm qhov xwm txheej.
Ua tib zoo saib qee qhov ntawm peb cov lus hauv qab no.
- Lub cav av hlau nyob qhov twg
- Yuav ua li cas disconnect ib tug hlau los ntawm ib tug plug-in connector
- Lub rwb thaiv tsev tuaj yeem kov cov hluav taws xob xaim
Txuas rau cov duab
(1) Neil Munro. Asbestos thermal rwb thaiv tsev boards thiab teeb meem ntawm lawv tshem tawm. Tau txais los ntawm https://www.acorn-as.com/asbestos-insulating-boards-and-the-problems-with-their-removal/. 2022.
(2) Asbestos-contaminated vermiculite siv rau rwb thaiv tsev: https://www.curriculumnacional.cl/link/http:/www.perspectivy.info/photography/asbestos-insulation.html
(3) Ruben Saltzman. Cov ntaub ntawv tshiab txog asbestos-vermiculite rwb thaiv tsev ntawm attics. Structure Tech. Tau txais los ntawm https://structuretech1.com/new-information-vermiculite-attic-insulation/. 2016.
