Asbestos Cement: Sib Txuas 300 Thiab 400 Thiab Kab Txaij Ntawm Asbestos MAAs, Lwm Yam Khoom, Asbestos-MAAs Cov Hauv Paus Thiab Cov Laug Cam, Ru Tsev Thiab Cov Ncej, Lawv Qhov Ntev

2024 Tus sau: Beatrice Philips | [email protected]. Kawg hloov kho: 2024-01-07 13:51

Coob leej neeg yuav xav paub tias asbestos cement yog dab tsi, cov yam ntxwv ntawm kev sib txuas 300 thiab 400, kab xev asbestos cement, nrog rau lwm yam khoom los ntawm nws. Asbestos-MAAs cov hauv paus thiab cov laug cam, cov ru tsev thiab cov ncej feem ntau ua, lawv qhov ntau thiab tsawg tuaj yeem sib txawv. Thaum kawg, nws tsim nyog txiav txim siab qhov nuances ntawm thev naus laus zis thiab daim ntawv thov.

Pros thiab cons

Asbestos cement tsis tuaj yeem hu ua cov khoom siv tshiab heev - ntawm qhov tsis sib xws, nws tau siv rau qee lub sijhawm. Thiab tseem, ntau tus neeg siv khoom tseem tsis tau paub nws cov khoom zoo txaus. Lub caij no, ib qho piv txwv classic ntawm cov khoom lag luam no tsuas yog ib qho slate zoo tib yam . Qhov no yog cov khoom siv tiv taus tshav kub kom tiav, thiab qhov ua kom rov zoo ntawm qee hom asbestos cement yog txaus rau kev tsim cov hlau. Hais txog vapor permeability thiab cov khoom cua sov, asbestos-cement cov qauv kuj tseem zoo heev.

Tsis muaj qhov xav tsis thoob uas lawv tau siv hauv kev tsim cov phab ntsa hauv lub tsev sov thiab tsev pheeb suab ntaub . Ua kom cov cua nkag tau zoo thiab tshem tawm cov dej noo ntau, uas yog li feem ntau ua rau muaj kev tsis xis nyob hauv chav, tau ua tiav. Kev siv hluav taws xob tsawg ua rau ob lub tuam txhab tsim cov tshuab hluav taws xob thiab cov uas tsim ntau yam kev sib txuas hauv tsev hauv tsev. Hauv qhov cua qhib, lwm qhov muaj txiaj ntsig zoo - tiv taus te, uas yog qhov siv tau txawm tias yog qhov xwm txheej ntawm Siberian thiab Ural huab cua.

Tsuas muaj ib qhov tsis pom tseeb rau asbestos MAAs: nws qhov ntom ntom ntom ntom ntom, uas ua rau muaj qhov hnyav thiab tsis muaj zog, uas tsis tso cai siv cov khoom no hauv cov khoom thauj khoom thiab cov khoom.

Nws txawv li cas ntawm lwm cov ntaub ntawv?

Nws yog qhov yooj yim tshaj plaws los piav qhia qhov sib txawv no nrog piv txwv ntawm qhov sib txawv ntawm asbestos cement thiab chrysotile cement zoo ib yam li nws sab nrauv, thiab hauv cov lus siv tau. Asbestos tuaj yeem ua rau muaj kev phom sij ntau dua thaum teeb tsa thiab ua haujlwm ntau yam nrog nws. Tab sis qhov teeb meem no daws tau zoo los ntawm kev siv cov cuab yeej tiv thaiv tus kheej. Hais txog kev siv tau, tsis muaj qhov sib txawv, thiab twb tau teeb tsa cov qauv tsim los ntawm ob qho khoom siv tsis muaj kev phom sij. Ob yam tshuaj no:

• tsis raug rau corrosion;
• zam cov dej ntws tsis zoo;
• feem ntau muaj cov nplaim du;
• nyab xeeb hais txog hluav taws;
• zam kev sib cuag nrog alkali;
• ua haujlwm ntev heev.

Hauv kev sib piv nrog lwm cov ntaub ntawv zoo ib yam hauv lub hom phiaj, asbestos cement (tsawg kawg yog cov khoom siv vov tsev):

• nws tsis kim li;
• tshuaj lom neeg tiv taus;
• tso cai rau koj kom yooj yim txheej txheem teeb tsa;
• muag ntau yam;
• absorbs suab nrov;
• tuaj yeem loj hlob nrog moss thiab lwm yam tshuaj lom neeg lom;
• yooj yim dua;
• hnyav hnyav.

Kev tsim khoom siv tshuab

Asbestos cement tau txais, raws li nws lub npe qhia, los ntawm kev sib xyaw asbestos thiab xis mas. Ntuj fibers tshwm nyob rau hauv lub ntiaj teb ua kiav txhab thaum cov dej ntxhia raug rau qee yam ntawm cov pob zeb tawg . Tsis muaj lwm yam ntxhia muaj peev xwm cais tau raws li nquag ua rau nyias thiab muag muag. Asbestos-cement cov khoom lag luam feem ntau tau los ntawm kev nchuav cov khoom npaj nrog cov qib viscosity ib txwm ua rau cov hlau ntxaij. Cov theem tom ntej ntawm kev tsim khoom yog tshem tawm dej thiab ua mould hauv qee yam.

Asbestos feem ntau tuaj txog ntawm cov chaw tsim khoom hauv daim ntawv ntawm briquettes . Tom qab tshem tawm los ntawm kev thauj mus los, nws tau pub nrog cov khoom siv thauj khoom mus rau cov neeg ua kom tawg. Los ntawm qhov ntawd, hauv daim ntawv tawg, cov khoom raug xa mus rau khaws cia kom txog thaum xav tau ib feem tshwj xeeb. Tshwj xeeb "silos" pub dawb los ntawm asbestos pawg siv disc pub thiab lwm yam txheej txheem tsim nyog. Cov kauj ruam tom ntej hauv tshuab yog fluffing; feem ntau yog vim nws qhov ua tau zoo dua, nws tau ua tiav siv txoj hauv kev ntub.

Qhov kev npaj tiag tiag ntawm asbestos cement thiab cov khoom lag luam los ntawm nws tuaj yeem ua voj voog lossis txuas ntxiv mus . Nyob rau hauv cov txheej txheem kev sib tw, cov khoom loj tau nkag rau hauv thiab ua kom ntub dej hauv cov "khiav" hom kev teeb tsa. Tom qab ntawd los txog qhov tig ntawm cov txheej txheem rau fluffing thiab sib xyaw cov fibers nrog cov cement rau ntawm tus menyuam yaus tshwj xeeb. Hauv tag nrho, cov haujlwm no siv sijhawm 22 txog 27 feeb. Yog tias asbestos muaj qhov ua tau zoo, qee zaum nws tau npaj ua ob lossis peb theem.

Kev tsim thiab kho yog qhov tseem ceeb tshaj plaws . Lawv kev ua ncaj qha nyob ntawm seb yam khoom tshwj xeeb tau ua. Cov khoom lag luam tau npaj rau ntawm cov ntaub qhwv tshwj xeeb lossis cov txheej txheem. Tab sis qee zaum lawv tuaj yeem tau txais yam tsis muaj cov substrates, khiav ntawm tus neeg nqa khoom tshwj xeeb.

Qhov kev xaiv ntawm cov kev xaiv no yog vim kev xav txog kev tsim vaj tsev nkaus xwb, thiab nws yuav tsum yog ua los ntawm cov kws tshwj xeeb.

Lawv ua dab tsi?

Ntau yam muaj txiaj ntsig tuaj yeem tsim los ntawm asbestos cement.

Duab los qhia

Hom khoom asbestos-cement yog siv feem ntau rau kev ua haujlwm rwb thaiv tsev cua sov. Nws qhov kev siv ua tau tso cai rau koj los txo qhov ua kom tsis muaj cua sov poob thiab txuag kev tsim khoom, cua sov ntawm cov tsev nyob thiab pej xeem . Piv rau ntau lwm lub tshuab cua sov, cov duab los qhia sib xyaw nrog asbestos cement muaj qhov phom sij xoom. Ib qho ntxiv, nws ruaj khov heev, tsis ntshai alkalis thiab cov khoom tsis muaj tshuaj lom, thiab nws tsis yog qhov xav tsis thoob tias nws tau yuav ntau zaus.

Asbestos board kuj tseem txaus siab rau nws qhov kev tiv thaiv hluav taws xob tam sim no thiab kev sib kis tsawg tshaj plaws ntawm cov suab nrov sab nraud . Qee qib ntawm cov khoom siv no tau siv los kaw cov khoom sib txuas ntawm cov khoom lag luam. Feem ntau, cov ntawv asbestos-board tau muab tso rau ntawm lub tiaj tiaj, tau ua kom ntub dej rau yav dhau los. Tom qab moistening, cov khoom qhuav sai.

Qhov xwm txheej no ua rau nws muaj peev xwm txo qis kev poob haujlwm thaum tsim kho, teeb tsa thiab kho.

Slate

Nov yog qhov paub zoo thiab paub txog ntau txoj hauv kev ua kom tiav lub ru tsev. Qhov kev daws teeb meem no tau pom thawj zaug thaum pib ntawm lub xyoo pua nees nkaum. Nws yog kev coj ua los faib cov slate rau hauv corrugated thiab cov ntawv tiaj tus ntawm ntau qhov ntau thiab tsawg. Hauv thawj pab pawg, muaj kev sib faib ntxiv los ntawm tus lej "nthwv dej". Cov ntaub ntawv vov no:

• tsis kub hnyiab;
• yooj yim ua tiav nrog ntau yam cuab yeej;
• tus nqi pheej yig;
• tsis ua suab nrov thaum raug los nag thiab txawm tias los nag;
• tuaj yeem faib ua ntu me me nyob rau hauv qhov cuam tshuam ntawm hluav taws, yog li tseem pab txhawb kev kis hluav taws;
• nyhav kom deform nrog taug kev tas li.

Qaum

Qhov kev xaiv no tau txais txiaj ntsig rau nws qhov tshwj xeeb kev ua tau zoo thermal. Hauv hom qauv, nws tuaj yeem tiv taus txog 300 degrees. Thiab rau lub sijhawm luv luv nws tuaj yeem tiv taus cua sov txog 400 degrees. Qaum yog qhov zoo tshaj tiv tshav kub thiab tiv tshav kub (raws li tsim nyog) kev tsim kho. Muab rau hauv bays, uas ntsuas hauv kilograms; txoj kab uas hla tuaj yeem yog 0.25 txog 0.75 hli.

Ib txoj hlua zoo yeej ib txwm ywj. Nws yuav tsum tsis txhob muaj ntu tawg thiab txawm cais cov xov. Qhov loj tshaj plaws ntawm lub hiav txwv nce mus txog 60 kg. Txwv tsis pub cia cov khoom lag luam nyob hauv ib puag ncig ntub.

Nws yog qhov muaj peev xwm tiv thaiv tau nrog hlua thiab thaj chaw uas tsis yooj yim mus cuag.

Cov ntaub

Qhov teeb meem zoo sib xws tuaj yeem ua tiav siv:

• rep;
• ntaub ntaub yooj yim;
• twill siv.

Cov kab xev ntawm cov ntaub raug mob rau hauv yob. Muaj ob qho qauv thiab cov ntawv yob loj. Lawv qhov hnyav tshaj yog 80 kg. Muaj cov ntaub asbestos dawb, daj-ntsuab lossis xim daj-xim av.

Kev xeb ntxiv yog nqa tawm ntawm qhov kev thov ntawm cov neeg siv khoom.

Padding

Lawv tuaj yeem tau txais ob qho los ntawm kab pheeb ces kaum braiding thiab los ntawm braiding cov tub ntxhais asbestos. Cov tuam txhab tsim khoom niaj hnub no muab ob qho tib si puag ncig thiab square. Qhov kev xaiv ntawm cov kev xaiv no yog vim muaj peev xwm ua haujlwm tau yooj yim. Feem ntau siv impregnations (tau kawg, nyab xeeb rau kev noj qab haus huv).

Txoj kev cia siab rau cov pob khoom ntawd zoo heev.

Cov ntaub ntawv

Cov qauv no tau txais los ntawm kev sib txuas asbestos nrog:

• Portland MAAs;
• quartz xuab zeb;
• dej.

Cov ntawv asbestos xis mas pheej yig thiab muaj cov yam ntxwv ua tau zoo . Nws ntseeg tias qhov no yog cov khoom pheej yig thiab zoo nkauj tib lub sijhawm. Kev xaiv cov qauv uas haum rau lub tsev zoo los ntawm kev tsim qauv tsis nyuaj rau txhua tus neeg tau kawm. Cov ntawv tiaj tus tuaj yeem ua kom nrawm lossis tsis nyuab siab. Tseem ceeb: nws yuav luag tsis tuaj yeem paub qhov txawv ntawm ob hom no los ntawm lawv cov khoom sab nraud.

Kev sib txuas rau cov kav dej nrog ntu ntu ntawm 100, 150, 300, 400 mm kuj tseem tuaj yeem ua los ntawm asbestos cement . Tab sis nws yog qhov xav paub tias cov laug cam kuj tau ua los ntawm cov khoom siv no. Cov ntsiab lus no tau nthuav dav heev hauv kev tsim kho niaj hnub no. Lawv feem ntau yog siv thaum koj xav tau npaj cov ntawv rau lub hauv paus. ACEID cov khoom tau ua pov thawj lawv tus kheej zoo li kev tiv thaiv tiv thaiv hluav taws xob ionizing thiab tuaj yeem pleev xim rau hauv qhov kev xaiv xaiv yam tsis raug cai.

Thaum siv sab hauv tsev, tsis suav nrog hluav taws . Hauv cov txheej txheem tsim khoom, kev siv thev naus laus zis niaj hnub no thiab cov khoom siv raw zoo tau siv. Yog tias koj xav tau teeb tsa lub laj kab, feem ntau yog siv cov asbestos-cement ncej. Lawv tuaj yeem muaj cov kab sib txawv, thiab tib lub sijhawm lawv pom meej zoo dua li cov ntoo ib txwm tiv taus cov dej noo, cuam tshuam los ntawm cov kab tsis zoo ntawm txhua yam. Tab sis ib tus yuav tsum nkag siab tias cov kav dej, txawm hais tias lawv lub zog, muaj qhov tsis yooj yim, thiab lawv lub ntsej muag tsis zoo ib yam rau tib neeg.

Rings feem ntau yog siv thaum nws tsim nyog los teeb lub qhov dej . Lawv ruaj thiab tsis tas yuav tsum tau nchuav, raws li lawv tau pib muag npaj ua. Raws li rau cov av tawg, tsuas yog cov khoom siv uas qhov loj me me tsis tshaj 1.35 hli tuaj yeem hu ua li ntawd. Cov kev xav tau no yuav tsum ua tau raws li 95% lossis ntau dua ntawm tag nrho cov khoom ntawm cov khoom xa tuaj. Nyob ntawm qhov loj me thiab cov yam ntxwv tshwj xeeb, kev faib ua qib tuaj yeem nkag tau.

Cov ntawv thov

Asbestos cement feem ntau yog siv thaum ua haujlwm ntawm lub ru tsev. Qhov no yog, ib zaug ntxiv, txog qhov paub zoo slate. Kev lig kev cai, cov ntsia hlau tau siv los ua kom nrawm. Tab sis nyob rau xyoo tsis ntev los no, kev tsim kho cov ntsia hlau tshwj xeeb tau dhau los ua ntau thiab ntau dua. Asbestos-cement yeeb nkab lub hauv paus kuj tseem siv ntau ntxiv.

Ntxiv rau qhov piav qhia thaj tsam ntawm kev siv, cov ntaub ntawv no tseem xav tau:

• kom tau txais ntau yam kev ua tiav thiab tiv thaiv cov laug cam;
• hauv kev tsim cov kav dej phwj tuaj;
• rau kev tsim khoom ntawm kev sib txuas sib txuas ntawm cov kav dej;
• thaum tau txais lub qhov cua, cov kav dej thiab cov thawv thaiv hluav taws xob;
• hauv kev tsim cov khaub ncaws ua haujlwm nrog kev tiv tshav kub tshaj plaws;
• hauv kev tsim cov laug cam hluav taws xob thiab chav tua hluav taws;
• induction rauv taws;
• nyob rau hauv qhov hluav taws kub extinguishing partitions;
• raws li laj kab rau hluav taws xob rauv hluav taws xob;
• hauv cov raj xa dej;
• hauv kev npaj ntawm ntau lub qhov dej.