Cov ntaub ntawv tseem ceeb hauv tsev los ntawm cov qauv tsim thiab cov txheej txheem txheej txheem tsis tuaj yeem ua cov haujlwm insulating ib txwm. Tib lub cib ntsa los yog lub hauv paus pob zeb screed yuav tsum tau npog nrog cov khoom siv tiv thaiv. Cov teeb meem zoo li no yog xav tau los tiv thaiv qhov txias, noo noo thiab suab nrov. Ib qho ntawm feem pheej yig insulators yog foamed polyethylene ntawv ci. Nws lub luag haujlwm tseem ceeb yog rwb thaiv tsev. Siv cov txheej txheem no ua ib qho kev thaiv kev thaiv thoob plaws hauv tsev thiab kev lag luam.
Cov ntaub ntawv dav dav txog rwb thaiv tsev
Txawm hais tias tsis ntev los no kev tsim kho kev lag luam tau tsom mus rau ib puag ncig tus phooj ywg cov khoom siv raw, muaj kev zam. Cov no suav nrog polyethylene ua npuas ncauj. Cov khoom siv tsis tuaj yeem hu ua tshuaj lom thiab txaus ntshai. Txawm li cas los xij, hauv thaj chaw nyob, hluavtawsinsulators tseem tsis pom zoo. Tab sis hais txog kev ua haujlwm thiab kev ua haujlwm zoo, cov txheej txheem zoo li no qhia lawv sab zoo tshaj plaws.
Kev ua tau zoo thiab siv tau ntau yam - cov no yog cov txiaj ntsig tseem ceeb uas ua rau cov ntawv ci polyethylene ua npuas ncauj nrov. Tus nqi ntawm insulator, uas yog hais txog 1-1.5 txhiab rubles. rau 15-meter yob, kuj pab txhawb rau nws qhov kev faib tawm. Los ntawm txoj kev, lub ntuj tso cua sov yog kim kim thiab tsis tuaj yeem muab qhov zoo ib yam ntawm cov rwb thaiv tsev. Ntxiv nrog rau cov yob, cov khoom siv kuj muaj nyob rau hauv kev ua lag luam nyob rau hauv daim ntawv ntawm panels thiab bundles, uas nthuav lub possibilities rau installation.
XLPE thev naus laus zis
Cov khoom no tuaj yeem tau los ntawm ob txoj hauv kev - hluav taws xob thiab tshuaj lom neeg. Cia peb tham txog lawv hauv kev nthuav dav ntxiv. Chemically crosslinked ua npuas ncauj khoom yog tsim nyob rau hauv siab. Thaum lub sij hawm tsim cov txheej txheem, tshwj xeeb antioxidants thiab cov tshuaj tiv thaiv kab mob yog ntxiv rau cov muaj pes tsawg leeg. Tom ntej no, lub hauv paus rau polyethylene nyob rau hauv lub thermoplastic lub xeev yog ncaj thiab zoo li tus raws li qhov yuav tsum tau rau cov khoom tiav.
Thiab, cov peroxide reactors ua los tsim cov kab sib txuas thiab sib cais raws li qhov kub thiab txias. Tsis tas li ntawd, tus ntoo khaub lig-txuas ua npuas ncauj polyethylene foil tau txais cov tshuaj tiv thaiv ntawm kev hloov ntawm hydrogen atoms los ntawm unsaturated carbon ntsiab lus. Cov txheej txheem no ua rau nws muaj peev xwm tsim cov qauv spatial ntawm bound radical ntsiab, uas nyob rau hauv kev xyaum ua rau siab tensile lub zog ntawm cov khoom. Hauv kev siv hluav taws xob thev naus laus zis, kev sib xyaw ntawm cov moleculestshwm sim nyob rau hauv kev cuam tshuam ntawm tsis muaj tshuaj tiv thaiv, tab sis nyob rau hauv tej yam kev mob ntawm ib tug ncaj beam ntawm lub zog.
Non-crosslinked polyethylene txoj kev tsim khoom
Non-crosslinked polyethylene-raws li rwb thaiv tsev yog tsim los ntawm foaming lub hauv paus nrog freon los yog propane-butane loj. Hauv kev txhawb nqa ntawm cov txheej txheem, kev siv cov extruder tshwj xeeb yog qhov yuav tsum tau ua. Nyob rau hauv qhov kev txiav txim siab, lub installation muab ib tug polyethylene yaj thiab sib tov nrog ib tug ua npuas ncauj reagent, uas yog siv raws li ib tug sib tov ntawm propane-butane. Thaum lub sij hawm ntawm kev tawm ntawm lub extruder, lub siab sab nraud txo, raws li qhov tshwm sim ntawm cov roj expansion. Yog li ntawd, ib tug foamed polyethylene ntawv ci ntawm ib hom tsis-crosslinked yog tsim. Tsis tas li ntawd, cov khoom thaum kawg hardens thiab siv cov khoom xa tuaj.
yam ntxwv tseem ceeb ntawm cov khoom
Hauv kev xaiv cov khoom siv rau kev rwb thaiv tsev ntawm cov txheej txheem ntawm lub tsev, ib qho yuav tsum tau coj los ntawm cov kev xav tau rau lawv raws li kev ua tau zoo. Tsis tas li ntawd, raws li cov lus txiav txim tau ua, nws muaj peev xwm mus rau qhov kev soj ntsuam ntawm cov khoom siv hauv cov ntsiab lus ntawm cov yam ntxwv. Lub ntsiab tsis yog dav thiab thickness. Raws li rau dov insulators ntawm hom no, lawv muaj ib tug tuab ntawm 5-10 hli, thiab qhov dav yuav ncav cuag 1200 hli.
Koj yuav tsum tau them sai sai rau qhov ntom ntawm cov qauv uas tsim cov ntawv nplaum polyethylene. Tus yam ntxwv load rau qhov ntsuas qhov nruab nrab 20-30 kg/m3. Los ntawm qhov pom ntawm qhov ua kom sov, qhov ntsuas thermal conductivity kuj tseem ceeb heev. NwsQhov nruab nrab yog 0.04 W / (mS). Nws tsis tuaj yeem hais tias qhov no yog qhov txiaj ntsig zoo ntawm kev txuag hluav taws xob, tab sis los ntawm cov qauv nruab nrab, piv rau lwm cov insulators, qhov taw qhia tsis zoo. Txawm li cas los xij, kev kho kom zoo nkauj hauv tsev nrog polyethylene ua npuas ncauj ntau dua tuaj yeem tiv nrog cov haujlwm uas tau muab rau nws.
Kev ua haujlwm
Rwb thaiv tsev muaj qhov ua haujlwm siab thiab elasticity, uas ua rau nws tuaj yeem siv rau hauv qhov nyuaj tshaj plaws. Yog li ntawd, tus kheej cov khoom tuaj yeem muab tso rau hauv qhov chaw docking ntawm cov khoom ntawm txheej. Ntxiv nrog rau qhov thermal rwb thaiv tsev muaj nuj nqi, cov khoom siv kuj tiv thaiv cov khoom los ntawm lub suab nrov thiab chav nkag. Nws tuaj yeem hais tau tias qhov no yog cov insulator nyuaj yam tsis muaj kev tshwj xeeb.
Txawm li cas los xij, tsis zoo li ntau lub tshuab cua sov, ua npuas ncauj polyethylene tsis hlawv, uas ua rau nws muaj peev xwm tiv taus hluav taws. Nyob rau hauv qhov kev cuam tshuam ntawm qhov kub thiab txias, lub insulator tsis deform thiab khaws nws cov qauv qub. Cais, nws yog tsim nyog sau cia cov neeg kho tshuab stability. Nyob rau hauv rooj plaub no, peb tab tom tham txog kev hloov kho cov ntawv ci, uas muaj cov txheej txheem metallized. Cov txheej tsuas yog tiv thaiv lub hauv paus ua haujlwm ntawm cov rwb thaiv tsev los ntawm kev puas tsuaj rau lub cev.
Ntau yam ntawm insulator
Technical qualities of the material and functional features txawv nyob ntawm hom. Piv txwv li, rwb thaiv tsev nrog lub npe "A" yog muab nrog ib txheejntawv ci ntawm ib sab xwb. Yog li ntawd, nws raug nquahu kom siv nws ua ke nrog lwm cov insulators. Hloov pauv, kev hloov kho ntawm "B" series yog cov khoom siv nrog ob-sided ntawv ci txheej. Qhov no yog qhov zoo tshaj plaws variant. Raws li, hom ntawv ci-foamed polyethylene rwb thaiv tsev yog ua raws li ib qho kev ywj pheej yam tsis muaj lwm yam insulators.
Hloov kho "C" kuj nrov heev, uas kuj muaj ob sab ua haujlwm, tab sis muaj cov khoom sib txawv. Ib qho yog muab nrog cov txheej txheem metallized, thiab lwm qhov yog muab nrog kev kho tus kheej nplaum nplaum. Muaj lwm cov qauv ntawm rwb thaiv tsev uas txawv ntawm cov yam ntxwv ntawm cov txheej.
Teb cov ntaub ntawv thov
Cov insulator yog siv rau hauv cov rwb thaiv tsev ntawm cov tsev, chav da dej thiab cov kav dej. Tshwj xeeb, cov neeg tsim ua tiav cov phab ntsa, muab faib, interfloor ceilings thiab qhib nrog foamed polyethylene, yog li txo cov choj txias. Lub rwb thaiv tsev kuj tseem tiv thaiv attics, ru tsev thiab hauv pem teb los ntawm qhov tsis xav tau cua sov.
Rau chav da dej, nws yog qhov zoo dua los siv cov ntaub ntawv tuab foamed polyethylene - 10 mm, piv txwv li, yuav txaus los kaw qhov qhib qhov rais thiab lub ru tsev ntawm cov khoom. Tib qhov kev txwv yuav tsum raug xaiv thaum ua haujlwm nrog cov kav dej. Tshwj xeeb tshaj yog nyob rau sab nraum zoov, lub winding ntawm kev sib txuas lus cov ntsiab lus yuav tsum tau nqa tawm nrog cov khoom uas muaj zog tiv thaiv thiab ib tug tuab qauv.
Cov khoom siv
Kev teeb tsa cov txheej txheem yog ua los ntawm cov nplaum nplaum. Siv tus neeg sawv cev rau qhov chaw kho ua ntej, thiab tom qab ntawd kho cov insulator kom sib npaug. Muaj ob yam uas tuaj yeem hloov tau tus txheej txheem. Ua ntej tshaj plaws, ntau lub tuam txhab niaj hnub no tsim foamed polyethylene foil self-adhesive, uas tuaj yeem nteg yam tsis muaj kev sib cais. Hauv qhov no, ib sab yuav yog ntawv ci, thiab lwm sab yuav yog nplaum. Qhov thib ob qhov tseem ceeb tuaj yeem ua rau kev ua haujlwm nyuaj. Yog hais tias lub installation configuration ntawm cov khoom tiav tso cai, ces nws raug nquahu kom tawm hauv lub tshuab cua sib txawv ntawm nws thiab cov rwb thaiv tsev. Qhov kev xaiv zoo tshaj plaws yog ua lub crate nrog slats 10-15 mm tuab.
tawm tswv yim zoo txog cov insulator
Cov khoom lag luam ncaj qha tshwm sim ntawm qib tsim nyog, uas tau sau tseg los ntawm ntau tus neeg siv cov rwb thaiv tsev. Cov txheej yog yooj yim rau nruab, xyaum tsis ua teeb meem hauv kev tuav. Nws muaj txiaj ntsig zoo ntawm cov nqi nyiaj txiag. Qhov tseeb, cov no yog cov ntsiab lus tseem ceeb ntawm kev paub zoo ntawm kev siv cov khoom siv. Tab sis kuj tseem muaj qhov pom tsawg dua uas yuav tsum tau txiav txim siab yog tias xaiv cov rwb thaiv tsev thermal. Foamed polyethylene ntawv ci xyaum tsis cuam tshuam rau cov qauv ntawm kev tsim ntawm lub ntsej muag txheej. Yog tias koj tshem tawm qhov yuav tsum tau tawm ntawm qhov sib txawv ntawm huab cua, ces nws tuaj yeem ua lub substrate rau kev ua tiav yav tom ntej, uas tseem yuav yog qhov ntxiv.
Kev tshuaj xyuas tsis zoo
zoozoo nyob rau hauv daim ntawv ntawm ib tug mos thiab elastic qauv kuj yuav muaj kev cuam tshuam tsis zoo rau kev ua hauj lwm. Tshwj xeeb, qee tus tswv tsev nco ntsoov tias qhov tsis muaj kev nruj ua rau nws nyuaj rau kev siv ua ke nrog cov ntawv ntsa lossis plaster. Kuj tseem muaj kev tsis txaus siab txog qhov zoo ntawm tus kheej nplaum puag. Tab sis nws nyob ntawm lub siab xav ntawm cov chaw tsim khoom uas tsim cov rwb thaiv tsev tshwj xeeb.
Foamed polyethylene ntawv ci nrog qhov tsis txaus siab adhesion muaj nuj nqi tuaj yeem kho nrog lub tsev nplaum nyob rau hauv qhov xwm txheej hnyav. Cov kws tshaj lij kuj tsis pom zoo kom txiav txim siab cov khoom siv no ua cov rwb thaiv tsev tag nrho. Lub hauv paus polyethylene ua npuas ncauj yog zoo li ib tug universal insulator, tiv thaiv tsev los ntawm suab nrov thiab ya raws. Tab sis tshwj xeeb tshaj yog kom txuag tau cua sov, cov txheej txheem no tsuas yog siv los ua ib qho ntxiv.
Zaj lus
Qhov kev rwb thaiv tsev no yog qhov zoo rau kev yuav khoom raws li kev tiv thaiv kev tiv thaiv. Nrog rau kev ua tiav zoo ntawm ib qho insulator nrog kev ua tiav thiab nws qhov kev txhim kho muaj peev xwm, ib tus tuaj yeem suav rau ntawm qhov cuam tshuam tau zoo los ntawm cov khoom tsis zoo sab nraud. Tsis tas li ntawd, foil-coated polyethylene ua npuas ncauj tuaj yeem suav hais tias yog ib qho txiaj ntsig zoo tshaj plaws hauv nws cov chav kawm rau tus nqi. Muaj tseeb tiag, qhov tsis muaj kev ntseeg siab nyob rau hauv ib puag ncig kev nyab xeeb ntawm polyethylene tseem ua rau ib feem ntawm cov tswv tsev los ntawm qhov kev txiav txim siab no. Lwm cov neeg siv nrhiav kom txo tau cov tshuaj raug mob los ntawm kev siv cov insulator nkaus xwb nyob rau sab nrauv thiabroof structure.
