Cov Lus Qhia Xaiv Cov Yeeb Nkab Polyurethane: Kev Ua Hluav Taws Xob Uas Tsis Tshua Muaj Qis, Kev Tiv Thaiv Hluav Taws Kub B1 thiab Kev Siv Tag Nrho

Hauv kev tsim cov phiaj xwm txuag hluav taws xob, chaw khaws khoom txias, chaw ua haujlwm hauv kev lag luam, chav huv si thiab cov kav dej hauv nroog, kev ua tau zoo ntawm cov khoom siv rwb thaiv tsev kav dej ncaj qha tswj hwm kev siv hluav taws xob tag nrho, kev nyab xeeb ua haujlwm thiab lub neej ua haujlwm ntev ntawm cov khoom siv. Cov kav dej rwb thaiv tsev ib txwm muaj kev kub ntxhov los ntawm kev ua haujlwm siab, tsis muaj zog tiv taus dej noo thiab poob kev ua haujlwm hnyav hauv qhov chaw kub qis. Piv txwv li, cov kav dej rwb thaiv tsev polyurethane ruaj khov (PU / PIR ua npuas ncauj kav dej) muaj cov cua sov tsis tshua muaj zog, cov qauv kaw-cell ceev ceev, tiv taus hluav taws zoo heev thiab lub zog kho tshuab ruaj khov, ua haujlwm ua cov kev daws teeb meem rwb thaiv tsev kav dej ua haujlwm zoo, txuag nqi rau kev tsim kho niaj hnub.

Peb cov yeeb nkab polyurethane rwb thaiv tsev muaj xws li cov yeeb nkab PU txheem, cov yeeb nkab PIR hloov kho tshiab thiab cov yeeb nkab rwb thaiv tsev ntau txheej. Txhua yam khoom raug tsim thiab kuaj xyuas raws li cov qauv hauv tebchaws GB/T 29047-2021, GB/T 21558-2008 thiab CJ/T 246-2018. Cov txheej rwb thaiv tsev muaj qhov ceev txheem ntawm 35–40 kg/m³, nrog rau cov qhov me me ywj pheej thiab tus nqi kaw-cell siab dua 90%. Nws muab kev rwb thaiv tsev thermal, kev tiv thaiv dej thiab kev tiv thaiv siab hauv ib qho khoom siv, xa cov kev ua tau zoo dua thiab kev hloov pauv ib puag ncig dua li cov pob zeb wool thiab polystyrene rwb thaiv tsev.

1. Kev Ua Haujlwm Txuag Hluav Taws Xob Zoo Tshaj Plaws

Kev ua tau zoo ntawm cov cua sov yog qhov tseem ceeb tshaj plaws rau kev ua haujlwm ntawm cov khoom rwb thaiv tsev, thiab cov kav dej polyurethane ua tau zoo dua li feem ntau cov khoom rwb thaiv tsev tseem ceeb hauv kev lag luam thoob ntiaj teb. Cov kav dej PU ruaj khov ib txwm muaj kev ua tau zoo ntawm cov cua sov ntawm 0.018–0.024 W/(m·K), thaum cov kav dej PIR hloov kho zoo tshaj plaws ua tiav cov txiaj ntsig rwb thaiv tsev zoo dua.

Yuav kom ua tiav cov txiaj ntsig zoo sib xws, polyurethane rwb thaiv tsev tsuas yog xav tau ib nrab ntawm cov ntaub ntawv polystyrene tuab thiab ib feem peb ntawm cov ntaub plaub pob zeb tuab. Nws cov qauv nyias thiab me me txuag tau qhov chaw teeb tsa cov kav dej thiab txo cov khoom siv ua haujlwm ntawm HVAC thiab cov khoom siv tub yees. Txo kev siv hluav taws xob tag nrho, nws ua raws li cov cai tsim vaj tsev ntsuab thiab tus qauv txuag hluav taws xob hauv tebchaws 75%, xa cov kev txuag hluav taws xob mus sij hawm ntev rau cov kav dej hauv tsev pej xeem thiab cov kav dej loj hauv chaw ua lag luam.

2. Cov Qauv Kaw-Cell Siab Tshaj Plaws Dej Tsis Muaj Dej & Dej Tsis Muaj Hws noo

Ua tsaug rau nws cov qauv ua npuas ncauj kaw-cell siab, peb cov yeeb nkab polyurethane ua tiav qhov ua tau zoo heev tsis muaj dej thiab tsis muaj dej noo, nrog rau 24-teev volumetric dej nqus tus nqi ≤3%. Cov qauv cell ntom ntom thaiv tag nrho cov dej pa nkag mus, tiv thaiv cov khoom tseem ceeb nthuav dav, mos thiab pulverization los ntawm av noo thiab cov kav dej condensation. Qhov no daws tau tag nrho qhov tsis zoo ntawm kev puas tsuaj tsis rov qab uas pom muaj nyob rau hauv cov ntaub ntawv rwb thaiv tsev ib txwm muaj uas yooj yim noo noo.

Cov khoom no muaj qhov ruaj khov zoo kawg li. Raws li GB/T 8811 tus qauv xeem, nws qhov kev hloov pauv ntawm qhov ntev tseem nyob hauv 2% tom qab 48 teev ntawm kev raug tshav kub tas mus li ntawm 70°C. Nws tseem ruaj khov los ntawm kev rov ua dua qhov kub thiab txias ntawm -20°C txog 60°C. Zoo tagnrho rau thaj chaw noo noo, cov kav dej hauv av, cov tsev khaws khoom txias thiab cov kav dej HVAC sab nraud, nws tswj tau qhov ua tau zoo tag nrho hauv cov chaw noo noo.

3. B1 Kev Tiv Thaiv Hluav Taws Kub Tau Cog Lus Kev Nyab Xeeb Hauv Kev Ua Haujlwm ntawm Cov Kav Dej

Kev nyab xeeb hluav taws yog qhov tseem ceeb rau kev xaiv cov khoom siv rwb thaiv tsev ntawm cov kav dej. Peb cov kav dej polyurethane tau muab faib ua pawg raws li GB 8624-2012 cov qauv kev ua haujlwm ntawm kev kub hnyiab hauv tsev, thiab cov kav dej polyurethane qib engineering-qib ncav cuag qib B1 uas tiv taus hluav taws, thaum cov qauv sib xyaw ua ke siab ua tiav qib A uas tsis kub hnyiab. Cov kav dej qib B1 muaj cov pa oxygen ≥26%.

Thaum raug hluav taws qhib, cov khoom siv no yuav ua kom cov pa roj carbon dioxide maj mam tsis muaj dej ntws los yog ua rau cov chaw nyob ib sab kub hnyiab. Nws tsim cov pa luam yeeb tsawg heev thiab tsis muaj cov pa lom thaum lub sijhawm hlawv. Nrog rau lub peev xwm tiv thaiv hluav taws ruaj khov, nws tau siv dav rau cov chaw muaj hluav taws xws li cov tsev pej xeem, cov tsev siab, cov chaw ua haujlwm hauv kev lag luam thiab cov chaw khaws khoom, ua tau raws li kev tshuaj xyuas hluav taws thiab kev lees txais rau txhua hom haujlwm engineering.

4. Lub teeb yuag & Muaj zog heev Huab cua tsis kam & Lub zog ntev

Cov kav dej polyurethane rwb thaiv tsev sib npaug tsim qauv sib npaug nrog kev ruaj khov kho tshuab zoo heev. Thaum deformation 10%, cov txheej rwb thaiv tsev muab lub zog compressive ≥150 kPa thiab lub zog flexural ≥180 kPa, muab kev sib zog compressive thiab bending zoo heev. Nrog rau kev tawv zoo heev, tiv taus qaug zog thiab tiv thaiv kev laus, nws tiv taus kev tawg thiab deformation nyob rau hauv lub siab sab nraud thiab kev hloov pauv kub hnyav.

Nws txhawb nqa kev ua haujlwm ruaj khov thoob plaws qhov kub thiab txias dav dav ntawm -196 ° C txog 120 ° C, zam kev tawg ntawm qhov kub qis thiab kev laus ntawm qhov kub siab. Nws hloov kho zoo meej rau cov xwm txheej ua haujlwm hnyav suav nrog cov txheej txheem cia khoom txias, cov kav dej thauj khoom hauv tub yees thiab cov chaw tsim khoom kub siab. Nyob rau hauv cov xwm txheej engineering tus qauv, cov yeeb nkab tuaj yeem kav ntev ntau xyoo nrog kev saib xyuas thiab hloov pauv tsawg kawg nkaus, txo cov nqi ua haujlwm mus sij hawm ntev.

5. Kev Teeb Tsa Yooj Yim & Yooj Yim Rau Kev Tsim Kho Ntau Yam

Cov kav dej polyurethane rwb thaiv tsev no yog tsim los ntawm cov qauv modular, thiab nws tsis hnyav thiab yooj yim txiav, tsis tas siv tshuab loj lossis nyuaj. Peb cov kav dej sib xyaw ua ke siv cov qauv sib txuas ua ke uas muaj cov pob qij txha nruj heev, ua rau tsis muaj kev sib txuas thermal thiab ua kom cov rwb thaiv tsev thiab cua nkag tau zoo tshaj plaws.

Qhov kev ua haujlwm tsim kho zoo tshaj plaws ua rau lub voj voog ua haujlwm luv dua. Cov qauv sib dua tsis muaj kev thauj khoom ntxiv rau cov kav dej thiab cov thav duab tsev, ua rau nws haum rau cov kav dej ntev thiab cov kav dej hlau hauv Hoobkas. Dhau li ntawm cov kav dej ncaj, cov khoom siv tshwj xeeb uas tau kho kom haum rau cov kav dej tsis sib xws, cov thoob dej khoom siv thiab cov qauv cladding nyuaj.

6. Kev Siv Dav Dav Rau Kev Siv Hluav Taws Xob Rau Kev Lag Luam Tag Nrho

Kev Tsim Kho Vaj Tse: Siv rau HVAC, cov kav dej thiab cov kav dej ntws rau cov tsev nyob, cov chaw lag luam thiab cov chaw ua haujlwm, ua cov khoom siv rwb thaiv tsev zoo rau cov tsev ntsuab thiab cov tsev tsis muaj zog.

Kev Khaws Cia Khoom Txias: Zoo meej rau kev khaws cia khoom noj khoom haus txias, cov chaw khaws tshuaj uas muaj qhov kub tas li, cov chaw cais cov khoom uas kub tsawg thiab cov kav dej thauj khoom hauv lub tub yees, ua kom ruaj khov rau qhov kub tsawg thiab txo kev siv hluav taws xob ntawm cov saw hlau txias.

Cov Rooj Sib Tham Txog Kev Lag Luam: Haum rau cov kav dej ua haujlwm hauv cov tsev tsim hlau, cov chaw ua haujlwm tsim khoom thiab cov chav huv si, ua tau raws li cov kev cai dav dav rau kev rwb thaiv tsev thermal, rwb thaiv suab, tiv taus hluav taws thiab tsim qauv sib dua.

Cov Cai Ua Haujlwm Tshwj XeebZoo tagnrho rau kev rwb thaiv cua sov ntawm cov khoom siv HVAC, cov kav dej kua dej hauv kev lag luam thiab cov thoob dej khaws cia tshuaj, nrog rau kev tiv thaiv rau cov kav dej hauv av thiab qab nthab.

Cov Chaw Ua Liaj Ua TebSiv rau kev txhawb nqa cov kav dej rwb thaiv tsev hauv cov tsev cog khoom kub tas li thiab cov tsev yug tsiaj, tswj qhov kub thiab txias thiab txhawb kev ua haujlwm ntau lawm.

7. Phau Ntawv Qhia Xaiv Kev Ua Haujlwm Engineering

Xyuas kom meej cov ntaub ntawv xeem ua ntej yuav khoom kom ntseeg tau tias kev ua tau zoo ntawm cov cua sov, qib hluav taws, kev nqus dej thiab lwm yam ntsuas tseem ceeb ua raws li cov qauv hauv tebchaws tam sim no.

Xaiv cov kav dej polyurethane PIR hloov kho rau kev cia khoom txias thiab cov haujlwm kav dej kub qis kom tau txais kev ruaj khov zoo dua hauv qhov kub qis.

Xaiv cov kav dej sib xyaw ua los ntawm hlau rau cov kav dej sab nraum zoov thiab cov phab ntsa sab nraud kom txhim kho kev tiv taus huab cua thiab kev ua haujlwm tiv thaiv kev laus.

Xyuas kom meej tias cov qhov sib txuas ntawm cov yeeb nkab kaw tag nrho thaum lub sijhawm tsim kho kom zoo tshaj plaws rau kev rwb thaiv cua sov thiab kev ua haujlwm tiv thaiv dej.

8. Cov txiaj ntsig zoo ntawm kev muab khoom lag luam txawv teb chaws

Ua ib lub chaw tsim khoom ncaj qha uas ntseeg tau, peb muaj cov kav dej polyurethane rwb thaiv tsev txaus. Peb txhawb cov lus qhia tshwj xeeb, cov khoom siv sab nraud uas haum rau koj tus kheej thiab cov kev pabcuam OEM tag nrho. Cov ntaub ntawv pov thawj xa khoom tiav ua tiav lav kev xa khoom mus rau txawv teb chaws kom yooj yim rau txhua qhov kev txiav txim thoob ntiaj teb. Peb muab cov kev daws teeb meem tshwj xeeb rau ntau yam kev ua haujlwm sib txawv, sib npaug kev ua tau zoo ntawm cov khoom zoo thiab cov peev nyiaj rau kev ua haujlwm kom tau raws li ntau yam kev xav tau ntawm cov neeg siv khoom thoob ntiaj teb.

Hauv kev xaus lus, cov kav dej polyurethane rwb thaiv tsev muaj kev rwb thaiv tsev zoo heev, tiv taus hluav taws, tiv taus dej noo, ruaj khov thiab yooj yim teeb tsa, xa cov txiaj ntsig zoo tshaj plaws ntawm kev ua haujlwm tus nqi thiab txuag hluav taws xob. Nrog rau kev txhim kho cov qauv txuag hluav taws xob thoob ntiaj teb, lawv tseem yog qhov kev xaiv tseem ceeb rau kev tsim kho tshiab thiab kho dua tshiab ntawm cov haujlwm kav dej.Xav tiv tauj peb kom tau txais ntau yam khoom, kev xaiv cov haujlwm tshaj lij thiab cov lus hais sib tw tshiab!