Yuav Thov Cov Ntawv Txheeb Asbestos Nyob Qhov Twg?

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Yuav Thov Cov Ntawv Txheeb Asbestos Nyob Qhov Twg?
Yuav Thov Cov Ntawv Txheeb Asbestos Nyob Qhov Twg?

Video: Yuav Thov Cov Ntawv Txheeb Asbestos Nyob Qhov Twg?

Video: Yuav Thov Cov Ntawv Txheeb Asbestos Nyob Qhov Twg?
Video: Lo lus, lub nplooj sawv, dai khoom cov ntaub ntawv 2024, Kaum ib hlis
Anonim

Asbestos nplooj ntawv yog tsim los ntawm chrysotile asbestos. Qhov no ntxhia belongs rau fawm kib silicates thiab muaj ntawm magnesium hydrosilicate. Cov ntawv Asbestos tiv taus cov alkalis, tab sis decompose hauv acids. Cov cuab yeej zoo li no cia lawv siv dav hauv kev tsim kho.

Yuav thov cov ntawv txheeb asbestos nyob qhov twg?
Yuav thov cov ntawv txheeb asbestos nyob qhov twg?

Cov cuab yeej ntawm cov asbestos los xij

Asbestos yog qhov tseem ceeb nyob hauv Lavxias thiab Suav teb, muaj kev tso nyiaj ntau hauv Canada. Cov xaim hluavtaws ua rau cov ntawv tshaj tawm asbestos tsis muaj hluav taws xob zoo, yog li cov khoom siv yog siv rau kev rwb thaiv tsev. Asbestos tsis yog pov tseg los ntawm ozone thiab oxygen, thiab nyob rau hauv dav dav, ntau yam tshuaj lom neeg lub cev tsis ntshai nws. Cov pob zeb hauv av khi zoo rau lwm yam, nws cov ntsiab lus melting ntau heev, yog li cov ntawv asbestos tuaj yeem siv tau zoo li tshav kub tsis tuaj yeem tiv thaiv.

Kev rho tawm loj ntawm cov asbestos yog cov plua plav tsis zoo rau tib neeg lub cev raug tso tawm thaum nws cov khoom. Txawm li cas los xij, kev tiv thaiv kev ua haujlwm siab tau tso cai rau koj kom tshem tawm cov ntsiab lus no. Tsis tas li ntawd, ua haujlwm nyob rau hauv uas cov ntawv npaj txos-asbestos tau siv - hluav taws xob cua sov, vov tsev, thiab lwm yam. - muaj kev nyab xeeb, txij li cov ntxhia hauv cov ntawv tiav hauv cov xeev uas muaj gypsum, roj hmab, roj, bitumen lossis ntau cov resins.

Txawm li cas los xij, hauv ntau lub teb chaws, vim tias muaj kev phom sij ntawm cov khoom, lawv nyiam tsis siv nws. Hauv EU lub tebchaws, cov ntaub ntawv tsim muaj asbestos tau txwv txij li xyoo 2005. Lwm tus ntawm lub ntiaj teb no tau ua tiav thov cov ntawv txheeb asbestos hauv ntau cov chaw tsim khoom lag luam.

Daim ntawv thov cov ntawv txheeb asbestos

Vim yog nws cov tshuaj lom, cov ntshiab asbestos yog ntawm chav kawm tsis tau siv. Cov kab mob kev noj qab haus huv zoo yog kev sib txuas ntawm cov asbestos fibers nrog lwm cov tshuaj. Piv txwv li, cov ntaub ntawv asbestos yog perforated xaim xaim nyob rau ntawm daim ntawv uas asbolatex nrog graphite nto yog thov. Cov pa roj av tshwj xeeb ntawm ntau qhov ntau thiab tsawg tau txiav los ntawm cov ntawv, uas yog siv hauv kev tsim thiab kho tsheb. Lawv tiv taus qhov kub thiab txias, tiv taus, ua rau cov khoom tawg tau ntxiv, nrog rau kev cuam tshuam ntawm cov roj av lossis roj diesel.

Lwm cov khoom siv nrov los ntawm asbestos fibers yog asbestos board, uas tau siv dav hauv ntau hom kev lag luam. Nws muaj chrysolite. Asbestos board siv nyob rau hauv lub zog, tsheb thiab lub tshuab tshuab ua hluav taws xob ua khoom siv insulating. Cov khoom cim "KAON" yog tus cwj pwm los ntawm kev ua haujlwm siab kub. Lub npe luv ntawm "KAON" sawv cev rau "hom phiaj dav dav asbestos cardboard". Xws li daim npav yog siv hauv cov khoom siv uas muaj kev ua haujlwm hauv corrosive alkaline, roj, organic xov xwm. Nws kuj tseem siv rau ua cua sov rwb thaiv tsev hauv siab, mus txog 500 ° C, qhov kub thiab txias.

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