Txog rau hnub tim, tsis muaj ib tus neeg uas yuav tsis hnov txog PVC lub qhov rooj, hu ua hlau-yas lossis yooj yim yas. Siv lawv hauv lub neej txhua hnub, ntau npaum li cas peb xav paub tias nws yog dab tsi?
Qhov rooj hauv chav dej
Feem ntau, cov qhov rooj ntawm polyvinyl cloride cov khoom (PVC) txhawb nqa nrog txhuas qauv yog tsim. Li no lub npe - hlau. PVC yog nyuaj rau hlawv thiab tus kheej cov khoom siv ceev ceev uas tsis zoo rau cov atmospheric cuam tshuam, nrog rau kev ua kom muaj kev puas tsuaj ntawm alkalis thiab acids, tsis raug rau kev hnav kom sai. Nws yog cov yam ntxwv no uas ua rau nws tuaj yeem siv nws rau kev siv thiab ua cov thav ntawv. Tsis tas li, lub qhov rooj ntawm PVC yog cov pheej yig dua thiab feem ntau zoo nkauj, raws li lawv hais cov neeg yuav khoom.
Txhua tus neeg, thaum yuav siv lub tshuab PVC, yuav tsum paub tias cov khoom muaj peev xwm xaiv tau cov khoom lag luam zoo tiag tiag tau daws los ntawm txoj cai. Txij li xyoo 2002, lub xeev tus qauv rau cov rooj hlau yas yog koom nrog. Nws yog hu ua "thaiv ntawm lub qhov rooj los ntawm polyvinyl chloride profiles" (gost 30970-2002).
Cov qauv no piav qhia txog lub ntsiab ntawm cov hlau-yas qhov rooj thiab lawv cov yam ntxwv ua kom tau ntau yam. GOST lub luag hauj lwm tuam ntxhab mus rau txhua tus qauv zoo uas tau piav qhia hauv nws. Yog li ntawd, tau txais ib lub qhov rooj hlau-yas kom dig muag tsis ntseeg tus muag khoom, nws yog ib qho tseem ceeb kom nkag siab cov ntsiab lus tseem ceeb ntawm gost.
Typology ntawm PVC lub qhov rooj raws li gost
Kev ua raws GOOS 30970-2002, Hlau-Yas Qhov Rooj Faib:
- Hais txog cov phiaj xwm, lub qhov rooj tuaj yeem ua sab nraum zoov, thiab sab hauv. Lub qhov rooj sab hauv tej zaum yuav yog chav sib cuam tshuam, nkag mus rau hauv chav tsev lossis chav dej;
- Hais txog hom kev sau ntawm lub qhov rooj thav duab:
- Glazed pvc qhov rooj, nyob rau hauv lub thav duab ntawm uas ob lub iav iav ci yog tso lossis cov iav pob tshab, ntawm txhua yam;
- Cov lag ntseg lage, rooj qhov rooj uas yog Opaque saib. Nws tseem tuaj yeem ua tau: Lub teeb (thaum qhov qis qis ntawm lub qhov rooj tsis tau pob tshab, thiab lub teeb cascial (thaum cov qauv pan canvas yog nruab nrog cov qauv kos duab);
- Hais txog nws cov qauv, lub qhov rooj hlau yas tuaj yeem yog:
- nrog ib lub vev xaib (sab xis lossis sab laug) thiab nrog ob lub canprases (zoo ib yam lossis sib txawv qhov dav);
- nrog lub sash ruaj lossis nrog tus uas qhib;
- nrog lossis tsis muaj qhov pib, nrog lub xub ntiag lossis tsis muaj ntawm lub thawv ncej;
- txheeb ze rau hom ntawm pvc profile.
Tshooj ntawm cov ncauj lus: Arbor nrog mangal ua koj tus kheej
Ntawm no cov kev faib tawm tau tshwm sim los ntawm tus naj npawb ntawm cov chav ntawm cov txheej txheem profile, los ntawm lub qhov rooj twg. Profiles muaj ob lossis ntau lub koob yees duab;
- Hais txog kev xaiv rau kev xaiv qhov profile, lub qhov rooj pvc tau dawb lossis lwm yam xim coated nrog laminating zaj duab xis los yog nrog coextruded ntsej muag.
Cov Kev Yuav Tsum Tau Rau Pvc Qhov Rooj Raws Li Gost 30970-2002
Lub xeev tus qauv yog cov kev tswj hwm nruj me ntsis uas tuaj yeem them taus cov rooj yas - cov no yog qhov ntev, ua rau cov kev sib tw ntawm lub vev xaib. Raws li, cov cai yuav tsum tau muab rau pem hauv ntej rau hauv kev sib raug zoo rau fittings. Tsis tas li ntawd hauv cov ntaub ntawv no, kev ntsuas tau muab tshuaj rau tswj tau cov khoom lag luam zoo, cov qauv ntawm lawv lub ntim, kev thauj mus los thiab chaw cia khoom.Cov yam ntxwv yas qhov rooj
Txhawm rau koj lub qhov rooj uas koj xav tau thiab khaws cia microclimate tsim nyog thiab koj xaiv, koj yuav tsum them sai sai rau nws cov yam ntxwv tseem ceeb:
- Cov cua sov hloov tsis kam yuav nyob ntawm cov tuab ntawm cov khoom siv insulating, tab sis yuav tsum tsis txhob mus dhau 0.8-1x / w.
- Huab cua permeability tsis yog ntau tshaj 3.5 ML / (CHM2).
- Kev rho tawm los ntawm cov suab tsis muaj tsawg dua 26 DBA
- Lub xeev tus qauv kuj pom tias muaj pes tsawg xyoo ntawm kev siv rau PVC profile yuav tsum muaj tsawg kawg 40, rau lub iav pob - tsawg dua ntawm cov foob - tsawg kawg 10. Tus nqi ntawm qhib lub sijhawm no tuaj yeem muaj tsawg kawg 500,000 zaug.
Pab pawg ntawm lub zog ntawm cov hlau-yas qhov rooj
Thaum kev yuav khoom kuj tseem ceeb tshaj plaws rau lub qhov rooj yog ib pab pawg muaj zog. Tsuas muaj peb ntawm lawv: a, B, V. Cov Gen feem ntau yog lub qhov rooj ntawm pab pawg A. Txog qhov no koj kuj tuaj yeem nrhiav tau los ntawm kev nyeem cov neeg siv khoom.Dab tsi txawv txav tuaj yeem suav hais tias yog kev sib yuav ntawm PVC qhov rooj
Kev tsim tawm nrog kev ua txhaum ntawm cov cai ntawm lub xeev tus qauv, tshwm sim hauv cov xwm txheej thaum:
- Muaj qhov sib txawv ntawm qhov loj me ntawm cov khoom tiav thiab ntau thiab tsawg uas tau teev nyob hauv cov ntaub ntawv ua haujlwm. Qhov sib txawv yuav tsum tsis pub ntau tshaj 2 hli thiab tsawg dua 1mm. Qhov sib txawv hauv kab pheeb ces kaum ntev rau PVC qhov rooj yuav tsum tsis pub tshaj 2 hli rau lub qhov rooj ntawm nplooj ntawm 1.5 sq. M thiab 3 hli rau cov qhov rooj loj.
- Ntawm lub qhov rooj, khawb, cov chips thiab lwm yam kev tawm tsam muaj nyob ntawm qhov rooj, nrog rau qhov sib txawv hauv cov xim lossis cov ntsej muag uas pom tias tsis pom.
- Lub qhov rooj qhib thiab kaw nrog ib lub chaw thiab siv dag zog yuam.
- Muaj kev sib txawv ntawm cov yam ntxwv ntawm cov txuj ci, los ntawm ib qho uas tau tshaj tawm hauv cov ntaub ntawv.
- Kev sib txawv los ntawm qhov yuav tsum tau ua ntawm gost thaum txhim kho.
Tshooj nyob rau lub ncauj lus: Ntiaj teb ntawm lub qhov rooj hauv Tomsk: catalog ntawm nkag thiab qhov rooj sab hauv Hoobkas
Thaum yuav ib lub qhov rooj pvc qhov rooj, tsis txhob hnov qab tias koj muaj cai thov kom ua tiav ntawm lub xeev tus qauv los ntawm cov tuam txhab ua haujlwm hauv Lavxias Federation.