Thermal conductivity ntawm ntxhia wool: khoom thiab nta

2024 Tus sau: Howard Calhoun | [email protected]. Kawg hloov kho: 2023-12-17 10:28

Txhua tus xav nyob hauv kev nplij siab thiab kev thaj yeeb nyab xeeb. Yog tias cov tswv ntawm cov tsev ntiav tau teeb tsa lub hom phiaj zoo li no, lawv sim tiv thaiv lub tsev los ntawm cov suab nrov nrov thiab txias nrog kev pab los ntawm cov ntaub ntawv tshwj xeeb. Yog tias koj tab tom nrhiav kev tiv thaiv los ntawm lub caij ntuj no txias thiab lub caij ntuj sov sov, koj tuaj yeem siv cov ntxhia wool rwb thaiv tsev. Cov khoom no tau nthuav tawm rau kev muag ntau yam, txhua tus muaj nws qhov zoo thiab qhov tsis zoo, yog li koj yuav tsum tau kawm lawv ua ntej kev yuav khoom.

Thermal conductivity

Cov thermal conductivity ntawm cov ntxhia wool ncav cuag 0.040 W / m ° C thiab nyob ntawm qhov ceev. Kev rwb thaiv tsev thermal tuaj yeem ua raws li cov khoom sib txawv, uas cuam tshuam rau cov qauv fiber ntau. Ntawm kev muag khoom koj tuaj yeem pom kab rov tav thiab ntsug txheej, spatial lossis corrugated-layered wool, uas nthuav dav heev ntawm kev siv cov khoom siv hauv ntau yam qauv.

Cov thermal conductivity ntawm cov ntxhia ntaub plaub yuav tsis zoo ib yam. Qhov kev ntsuas no nce 50% hauv 3 xyoos, uas yog vim qhov nkag mus ntawm noo noo rau hauv cov qauv. Nws yog ib qho tseem ceeb, ua ke nrog cov yam ntxwv no, yuav tsum xyuam xim rau cov vapor permeability, uas yog sib npaug rau ib qho yog tias tsis muaj vapor barrier. Cov khoom tau hais los ua ib qho ntawm cov yam ntxwv tseem ceeb uas cuam tshuam rau thaj tsam ntawm kev siv cov khoom siv.

Thermal conductivity ntawm ntxhia wool ntau yam

Thermal conductivity yog cov txheej txheem ntawm kev xa cov cua sov los ntawm lub rhaub mus rau cov khoom uas muaj qhov kub thiab txias. Cov lus piav qhia thermal rwb thaiv tsev muaj xws li cov paj rwb ntaub hauv qab no:

• iav;
• slag;
• pob zeb;
• bas alt.

Txhua hom tsiaj muaj nws tus kheej coefficient ntawm thermal conductivity. Raws li cov iav ntaub plaub, cov lus hais rau nws tuaj yeem sib npaug rau qhov siab tshaj plaws ntawm 0.052 W / mK. Rau bas alt wool, tus yam ntxwv no tuaj yeem sib txawv ntawm 0.035 txog 0.046 W / mK. Yog hais tias peb tab tom tham txog slag wool, ces cov cuab yeej hais yog sib npaug rau qhov txwv ntawm 0.46-0.48 W / mK. Lub thickness ntawm rwb thaiv tsev cuam tshuam qhov zoo ntawm thermal rwb thaiv tsev thiab thermal conductivity. Tus nqi ntawm thermal conductivity yog sau nyob rau hauv lub xeev cov qauv GOST 7076-994.

Sib piv ntawm Thermal Conductivity ntawm Isover Mineral Wool

Ua ntej yuav khoom no lossis cov khoom ntawd, koj yuav tsumPaub koj tus kheej nrog cov tsis muaj thermal conductivity ntawm cov ntxhia wool. Qhov kev sib piv tuaj yeem ua raws li cov rwb thaiv tsev thermal raws li Isover hom. Yog hais tias nws yog sawv cev los ntawm ib tug yob thiab sau "Classic", ces cov thermal conductivity coefficient yuav sib npaug zos rau qhov txwv ntawm 0.033-0.037 W / mK. Qhov rwb thaiv tsev no yog siv rau cov qauv uas cov txheej yuav raug thauj mus los.

Thaum yuav Karkas-P32 ntxhia ntaub plaub, koj yuav siv daim hlau nrog thermal conductivity coefficient nyob rau hauv 0.032-0.037 W / mK. Cov ntaub plaub no yog siv rau thermal rwb thaiv tsev ntawm thav duab qauv. Mats "Karkas-M37" muaj cov coefficient ntawm thermal conductivity, uas yog sib npaug rau 0.043 W / mK siab tshaj plaws. Cov khoom no kuj tseem siv rau cov qauv tsim, xws li "Karkas-M40-AL" nrog cov thermal conductivity coefficient ntawm 0.046 W / mK thiab tsis muaj ntxiv.

Tag nrho cov rwb thaiv tsev saum toj no muaj cov coefficient ntawm thermal conductivity, uas muab lub suab zoo thiab kev tiv thaiv kub. Cov qauv ntawm fiber ntau plays lub luag haujlwm tseem ceeb hauv qhov teeb meem no. Txhawm rau tiv thaiv cov phab ntsa, cov ntaub plaub ntxhia "Karkas-P32" yog siv, uas muaj cov thermal conductivity coefficient ntawm 0.032 W / mK, uas yog qis tshaj.

Coefficient ntawm thermal conductivity ntawm Ursa paj rwb ntaub

Lub rooj ntawm thermal conductivity thiab lwm yam zoo ntawm cov khoom feem ntau tso cai rau cov neeg siv khoom xaiv qhov raug. Qhov no kuj muaj tseeb thaum nws los txog rau Ursa ntxhia ntaub plaub. Yog tias koj xav tau rwb thaiv tsev rau thermal rwb thaiv tsevru tsev, pem teb thiab phab ntsa, ces koj tuaj yeem xaiv "Ursa Geo M-11" nrog cov coefficient ntawm thermal conductivity nyob rau hauv 0.040 W / mK. Slabs, nthuav tawm nyob rau hauv yob thiab tsim nyob rau hauv lub npe URSA GEO, yog tsim rau pitched ru tsev. Lub thermal conductivity coefficient nyob rau hauv cov ntaub ntawv no yog 0.035 W / mK.

Rau rwb thaiv tsev ntawm cov plag tsev, acoustic ceilings thiab ceilings, URSA GEO Lub teeb yob yog siv, nyob rau hauv uas tus yam ntxwv piav qhia yog sib npaug rau qhov txwv ntawm 0.044 W / mK. Raws li kev xyaum qhia, cov khoom ntawm cov ntxhia wool rwb thaiv tsev nyob rau hauv lub hom Ursa yog qhov zoo tshaj plaws. Nrog kev pab los ntawm cov rwb thaiv tsev no, koj tuaj yeem ntseeg tau insulate lub tsev, vim li ntawd, nws muaj peev xwm ua tiav qhov tsim ntawm qhov chaw ua pa nrog huab cua qhov sib txawv. Siv ib daim ntawv qhia tshwj xeeb thiab cov cuab yeej siv hluav taws xob zoo, Ursa Geo yog tsim, uas tsim nyog saib xyuas tshwj xeeb.

Thermal conductivity ntawm Rockwool ntxhia ntaub plaub

Cov thermal conductivity ntawm Rockwool ntxhia ntaub plaub kuj yuav txaus siab rau koj. Cov khoom no yog muab muag nyob rau hauv ntau yam khoom, txhua yam yog sawv cev los ntawm slabs los yog lev. Piv txwv li, Rockmin nrog cov coefficient ntawm 0.039 W / mK yog muaj nyob rau hauv daim ntawv ntawm daim hlau thiab yog npaj rau lub suab thiab cua sov rwb thaiv tsev ntawm attics, phab ntsa, ru tsev thiab ventilated coverings.

Domrock mats tuaj yeem siv rau cov ceilings, beamed ceilings thiab cov phab ntsa sib sib zog nqus. Cov yam ntxwv tau piav qhia hauv qhov no yog 0.045 W / mK. Panelrock muaj kev muag khoom nyob rau hauv daim ntawv ntawm slabs thiabTsim los rau lub suab thiab cua sov rwb thaiv tsev ntawm cov phab ntsa sab nraud. Lub thermal conductivity coefficient ntawm cov khoom no yog 0.036 W / mK.

Yog tias koj muaj Monrock max slab nyob rau hauv pem hauv ntej ntawm koj, koj tuaj yeem yuav nws rau insulating ntau hom ru tsev tiaj tus. Lub thermal conductivity coefficient nyob rau hauv cov ntaub ntawv ntawm no thermal rwb thaiv tsev tov yog 0.039 W / mK. Koj tuaj yeem xav txog cov thermal conductivity coefficient ntawm Stroprock ntxhia ntaub plaub los ntawm Rockwool. Nws yog sib npaug rau 0.041 W / mK, thiab cov khoom siv tuaj yeem siv rau lub suab thiab cua sov rwb thaiv tsev ntawm cov plag tsev thiab qab nthab, thawj cov txheej txheem yog teem rau hauv av, thaum lwm tus yog nyob rau hauv lub pob zeb screed. Mineral wool nyob rau hauv daim ntawv ntawm Alfarock mats, uas yog siv los insulate cov kav dej thiab cov kav dej, yuav tsum muab tso rau hauv ib qho tshwj xeeb. Lub thermal conductivity coefficient nyob rau hauv cov ntaub ntawv no yog 0.037 W / mK.

Txheej txheem ntawm TechnoNIKOL ntxhia ntaub plaub

Yog tias koj txiav txim siab xaiv cov khoom siv TechnoNIKOL, thermal conductivity ntawm ntxhia ntaub plaub los ntawm cov chaw tsim khoom no yuav tsum txaus siab rau koj. Nws yog sib npaug li qhov txwv los ntawm 0.038 txog 0.042 W / mK. Cov khoom siv yog hydrophobized non-combustible boards, uas yog tsim los rau lub suab thiab cua sov rwb thaiv tsev. Cov khoom siv yog tsim los ntawm cov pob zeb uas koom nrog pawg bas alt.

Slabs yog siv rau hauv kev lag luam thiab kev tsim kho vaj tse, sab nrauv phab ntsa rwb thaiv tsev, qhov twg cov khoom tiv thaiv los ntawm saum toj no los ntawm cov hniav txheej ntawm nyias-txheej plaster. Cov khoom yog tsis combustiblevapor permeability yog 0.3 Mg / (m·h·Pa). Kev nqus dej yog 1% ntawm qhov ntim. Qhov ntom ntawm cov khoom tuaj yeem sib npaug li qhov txwv ntawm 125 txog 137 kg / m3.

Cov thermal conductivity ntawm cov ntxhia ntaub plaub tsis yog tib lub cuab yeej kom paub txog. Nws yog ib qho tseem ceeb rau kev txaus siab rau lwm yam tsis, piv txwv li, ntev, dav thiab thickness. Thawj ob yog 1200 thiab 600 mm, feem. Raws li qhov ntev, increments ntawm 10 hli nws yuav txawv ntawm 40 mus rau 150 mm.

Basic nta

Mineral wool tiv taus tshuaj thiab kub kub. Nws muaj lub suab zoo heev thiab rwb thaiv tsev kub. Cov khoom siv yog siv tsis tau tsuas yog nyob rau hauv kev tsim kho, qhov twg nws yuav tsum tau insulate pem teb thiab phab ntsa, tab sis kuj rau insulating high-temperature nto xws li pipelines thiab furnaces. Cov khoom siv tuaj yeem dhau los ua kev tiv thaiv hluav taws ntawm cov qauv thiab ua raws li cov txheej txheem tiv thaiv hauv cov ntxaij vab tshaus acoustic thiab partitions. Hauv cov khoom siv pob zeb, uas yog tsim los ntawm cov khoom siv hluavtaws, cov txheej txheem ntawm kev puas tsuaj pib thaum qhov kub ntawm qhov raug rau cov khoom sib npaug ntawm qhov txwv ntawm 300 ° C.

Cov khoom ntawm ntxhia wool sandwich panels

Nyob hauv kev tsim kho, ntxhia wool sandwich panels yog nrov heev. Cov thermal conductivity coefficient ntawm cov khoom no yog sib npaug li qhov txwv ntawm 0.20 txog 0.82 W / mK. Lub suab rwb thaiv tsev ntawm cov khoom yog 24 dB. Lub zog shear yog 100 kPa, zoo li lub zog compressive. Qhov ntom ntawm cov khoom tuaj yeem sib npaug ntawm qhov txwv ntawm 105 txog 125kg/m3.

Cov qauv tsis tas yuav siv cov cuab yeej tshwj xeeb rau kev tsim kho, lawv tau yooj yim raug rau ultraviolet hluav taws xob, nrog rau qhov kub thiab txias. Sandwich panels tsis cuam tshuam rau xeb, lawv tiv taus hluav taws thiab muaj cua sov zoo thiab suab rwb thaiv tsev zoo. Yog tias cov panels puas lawm, lawv tuaj yeem hloov tau ib nrab. Cov qauv zoo li no tsis tsim kom muaj kev thauj khoom ntxiv ntawm lub hauv paus. Mus ntsib lub khw, koj tuaj yeem xaiv txhua qhov ntxoov ntxoo ntawm cov vaj huam sib luag, uas tso cai rau koj kom ua tiav qhov zoo nkauj zoo nkauj.

Zaj lus

Cov ntaub plaub ntxhia muaj rau muag hauv cov ntawv sib txawv uas txhais cov khoom thiab thaj chaw siv. Piv txwv li, P-75 muaj qhov ntom ntom tau hais hauv lub npe. Cov khoom siv yog zoo heev rau thermal rwb thaiv tsev ntawm kab rov tav dav hlau, uas yuav tsis muaj hnyav loads thaum lub sij hawm ua hauj lwm. Yog tias koj xav tau cov khoom siv rau lub qab nthab lossis hauv pem teb, koj tuaj yeem nyiam P-125, qhov ntom ntawm uas tau hais hauv qhov cim. Cov ntaub ntawv no tau ua pov thawj tau zoo heev rau insulating partitions thiab phab ntsa siv sab hauv tsev.