Pir ua ntej-insulated du vs. galvanized hlau (GI) Ciav: ib qho kev sib piv
1. Kev ua haujlwm
PIR ua ntej insulated duct
Thermal rwb thaiv tsev:
PIR ua npuas ncauj tub ntxhais (polyisocyanurate) muaj cov thermal tsawg thermal ({}}}}}}. {15}}}}}}}}}}.
Tshem tawm cov kev phom sij hws tawm hauv cov chaw puag ncig noo.
Hluav taws kub tiv thaiv:
Feem ntau ua tiavB1 Hluav Taws Xob Hluav Taws Xob(En {13501-1), Ua kom tsim cov txheej txheem tiv thaiv lub sijhawm thaum muab pa luam yeeb.
Qee cov Pirs siab tshaj liA2-s1,d0(tsis-sib ceg).
Lub zog & Siab Kuj:
Ntsib nrog 200- micron pre-pleev xim GI nplooj ntawv los yog txhuas ntawv ci, PIR Ducts withstand1,500-2, {000 pakuv siab.
Compressive lub zog: {{0}}}. 2-0.3 mpa.
Suab nrov tswj:
Kaw-can ua npuas ncauj tub ntxhais Dampens Airflow lub suab nrov (Txo Suab Sib Kis los ntawm 15-20 DB).
Qhov hnyav & Chaw:
Lub teeb yuag (1.4-2. {{{0 kg \/ m²), txuag 5-8 cm nyob rau hauv qab nthab piv rau gi ducting nrog rwb thaiv tsev.
Galvanized hlau (GI) duct
Thermal rwb thaiv tsev:
Yuav tsum tau20-30 hli sab nraud rwb thaiv tsev(piv txwv li, roj hmab) kom ua tiav cov cua sov sib npaug.
Yog tsis muaj rwb thaiv tsev, cua sov poob yog 46% siab dua pir ducts.
Hluav taws kub tiv thaiv:
Chav kawm tsis-sib txuas(En {13501-1), zoo tagnrho rau cov tshuab hluav taws-rated zoo li cov pa taws kev tswj.
Lub zog & Siab Kuj:
Siab qauv rigidity (0. 5-1.5 hli tuab) txhawb nqa3, {000+ pa zoo li qub.
Haum rau cov ntawv thov high-velocity muaj (piv txwv li, 15-20 m \/ s airflow).
Suab nrov tswj:
Prone to vibration noise at speeds >8 m \/ s, xav tau cov suab nkauj ntxiv.
Qhov hnyav & Chaw:
Hnyav (8-12 kg \/ m²) nrog rwb thaiv tsev, nyob hauv qhov chaw nthab ntau.
2. Cov nqi nyiaj txiag
|
Yam |
PIR ua ntej insulated duct |
Gi duct |
|
Cov Khoom Siv Nqi |
$ 180-250 \/ m² (rwb thaiv tsev ua ke) |
80-120 \/ M² (PLUS 20-50 \/ M² rau rwb thaiv tsev) |
|
Tus nqi them |
$ 20-30 \/ m² (Modular Assembly) |
$ 40-60 \/ M² (ntawm-chaw pab tshuaj + Rwb thaiv tsev) |
|
Tus nqi kav (20 xyoo) |
$ 500-800 \/ M² (Tsawg Zog + Txij Nkawm) |
$ 1, {000 - - 1,500 \/ m² (siab (siab (siab kho mob) |
|
ZIAB TAWM |
20-40% Txo Kev Siv Hluav Taws Xob |
Yuav tsum muaj kev hloov chaw pawv tsis tu ncua |
3. Daim Ntawv Thov Kev Sau Npe
PIR ua ntej insulated duct
Cov Ntaub Ntawv Zoo Tshaj:
Lub tsev lag luam: Chaw haujlwm, tsev kho mob, thiab khw (suab qis, kev teeb tsa kom sai)).
Cov Chaw Teev Khoom: Txo cov paj yeeb los ntawm 15-20%.
Kev ua tej tshuab: Antimicrobial chaw sib ntsib Iso 14644-1 chav kawm 5 tus qauv.
Sab nraum zoov: Huab cua tiv thaiv gi tig rau cov chaw hnyav.
Kev txwv:
Tsis haum rauKev Ntsuas Siab (>2, 000 pa).
Yuav tsum muaj cov teeb meem tua hluav taws hauv cov pa taws tswj kev tswjfwm.
Gi duct
Cov Ntaub Ntawv Zoo Tshaj:
Muaj Chaw Muaj: Tshuaj nroj tsuag, cov khoom noj khoom haus, ua khoom noj khoom haus (corrosion tsis kam).
Kev Ntsuas Siab: Subways, tshav dav hlau (2, {1}}}}} {{3} pa).
Hluav Taws-Rhiab Qhov Chaw: Haus luam yeeb rho tawm (chav kawm tawm hluav taws).
Kev txwv:
Kev txij nkawm siab (txhua xyoo corrosion tshev + daim duab).
Lub zog tsis zoo yog tsis muaj rwb thaiv tsev.
4. Kev Lag Luam Tiam & Kev Tsim Kho
PIR Caduct Kev Loj Hlob:
Cia siab tias yuav ncav cuag$ 300 billion luam ntawv loj los ntawm 2025(12% CANT).
Nrhav:
Airgel-pir composites: Thermal conductivity<0.015 W/m·K
Iot-enabled duct: Lub sijhawm pom kom pom kev zoo thiab kev ua kom zoo.
GI Duct Evolution:
Nano-coated gi: Kev ntxuav tus kheej kom txo qis kev loj hlob microbial.
Hybrid Systems: GI + Pir hybrid ducts rau cov kev siv siab, lub zog-ua tau zoo.
5. Kev Txiav Txim Siab
|
Xwm txheej |
Lus ntuas |
Cov kev txiav txim siab tseem ceeb |
|
Kev Ntsuas Siab |
Gi duct |
Siab Ntsuam, Cov Qauv Txheej Txheem |
|
Zog Efficiency |
PIR ua ntej insulated duct |
Lub neej tau nqi txuag, tsawg thermal conductivity |
|
Kev teeb tsa ceev |
PIR ua ntej insulated duct |
Modular Tsim, Cov Khoom Siv Hluav Taws Xob |
|
Hluav Taws Kub Kev Nyab Xeeb Tseem Ceeb |
Gi duct |
Hoob Kawm Ntawv Hluav Taws Xob Hluav Taws Xob |
|
Ntxuav cua \/ tu cev |
PIR ua ntej insulated duct |
Cov kab mob antimicrobial, cov sab hauv du |
6. Kev Cuam Tshuam & Ib puag ncig ib puag ncig
Pir ducts:
Rov dua: Aluminium Ntawv Nyiaj \/ Pir cores tuaj yeem rov ua dua tshiab.
Tus hneev Nqis Tsawg: Txo kev siv zog siv los ntawm 70%.
Gi ducts:
Rov dua: Cov khoom siv hlau yog 100% siv dua tshiab.
Siab embodied: Kev tsim khoom emits 20-30% ntau dua bi₂ dua pir ducts.
Tag
Pir ua ntej-insulated domined nyob rau hauv lub zog-siv tau, kev teeb tsa qis, muab kev txuag nyiaj ntev. GI ducts nyob twj ywm rau cov kev kub siab, hluav taws-rated, lossis kev xeb ib puag ncig. Qhov kev xaiv ntawm cov phiaj xwm kev ua haujlwm tshwj xeeb, nrog PIR ducts tau txais kev pab cuam vim tias cov hom phiaj ruaj khov thiab cov hom phiaj ruaj khov. Rau cov ntawv tseem ceeb, hybrid system (piv txwv li, gi rau qauv + PIR rau rwb thaiv tsev) yuav muab kev ua tau zoo.
