Common Ventilation Duct Classification thiab Performance Comparison!

Feem ntauVkev tso caiDua uctClassification thiabPkev ua haujlwmCkev sib tham!

fabric expansion pob qij txha

1. Cov pa cua peb feem ntau xa musis feem ntautxogqhov cua ductraucentral cua txias system. Thiabnws yog ib feem tseem ceeb ntawm lub tshuab cua txias. Tam sim no, feem ntau yog plaub yam ntawm cov pa ducts:

1) Galvanized sheet hlau cua duct; 2) Inorganic FRP cua duct; 3) Composite fiberglass cua duct; 4)Fiber npuag cua duct.

2.Cov yam ntxwv tseem ceeb ntawm plaub qhov cua ducts.

Galvanized steel ntawvcua duct: ib qho ntawm cov ducts siv thaum ntxov, ua los ntawmGalvanized steel ntawv, tsim nyog rau kev thauj mus los ntawm cov pa roj uas tsis muaj cov ntsiab lus noo noo, yooj yim rau xeb, tsis muaj kev txuag hluav taws xob thiab lub suab nrov txo, nrog rau lub sijhawm ntev thiab kev teeb tsa.

Inorganic FRP cua duct: ib yam tshiab ntawm cov pa duct, ua los ntawm cov iav fiber reinforced inorganic cov ntaub ntawv, tsis-combustible nyob rau hauv cov ntaub ntawv ntawm hluav taws kub, corrosion-resistant, hnyav, nyuaj tab sis nkig, yooj yim deformed thiab tawg los ntawm nws tus kheej qhov hnyav, tsis muaj cua sov. preservation thiab suab nrov txo kev ua tau zoo.Lub sijhawm tsim khoom thiab kev teeb tsa yog ntev.

Composite iav fiber board cua duct: hom tshiab ntawm huab cua duct nyob rau hauv xyoo tas los no, nrog centrifugal iav fiber board ua lub hauv paus khoom, iav ntaub sab hauv, thiab noo noo-pov thawj aluminium ntawv ci sab nraum (tseem ceeb board yog coated nrog kub-rhiab dub acrylic polymer sab hauv, thiab txheej txheej yog di ntaub / aluminium ntawv ci / kraft ntawv), uas yog compounded thiab qhuav nrog ib tug tshwj xeeb fireproof nplaum nplaum, thiab ces ua los ntawm kev txiav, slotting, bonding thiab kev txhawb zogcov txheej txheem, thiab txuas nrog thiab kaw nrog cov sealants tshwj xeeb, cov ntaub nplaum uas muaj kev sib haum xeeb,or Thaum tshav kub kub-sensitive tapes. Qhov sib txawv ntawm qhov loj ntawm cov pa cua thiab qhov loj ntawm cov cua siab yuav tsum tau ua raws li kev ntsuas qhov tsim nyog. Nws muaj qhov zoo ntawm kev txo suab nrov, kev txuag hluav taws xob, kev tiv thaiv hluav taws, kev ya raws, huab cua me me, cov khoom siv teeb pom kev zoo, kev tsim kho yooj yim, txuag qhov chaw teeb tsa, kev pab lub neej ntev, kev lag luam thiab siv tau, thiab lwm yam.

Fiber npuag huab cua duct: tseem hu ua daim ntaub hnab cua duct, ntaub huab cua duct, fiber ntau cov pa cua duct, fiber ntau ntaub cua distributor, yog hom tshiab ntawm cua duct, thiab yog ib tug saj zawg zog cua tis system woven los ntawm tshwj xeeb fibers (Air Dispersion) , yog ib qho kev xa khoom cua kawg uas hloov cov kav dej ib txwm siv, cua li qub, diffusers, cov khoom siv hluav taws xob, thiab lwm yam.

3. Kev sib piv kev ua haujlwm ntawm plaub lub tshuab cua

3.1 Thermal rwb thaiv tsev kev ua tau zoo

Galvanized steel ntawv cua duct: lub thermal conductivity yog loj heev (60.4 W / m·K), thiab nws tsis muaj thermal rwb thaiv tsev kev ua tau zoo, yog li yuav tsum tau ntxiv ib txheej rwb thaiv tsev thiab txheej tiv thaiv. Nws yog ib qho nyuaj los xyuas kom meej lub rwb thaiv tsev thickness ntawm lub flange ntawm cov pa duct los yog tsis muaj rwb thaiv tsev, uas yuav ua rau ib tug txias choj phenomenon, thiab cov kev pab them nqi uniformity ntawm rwb thaiv tsev txheej ntawm phab ntsa ntawm cov pa duct yog tej zaum nyuaj los xyuas kom meej. vim tsis txaus installation clearance.

Inorganic FRP huab cua duct: Nws muaj cov thermal conductivity loj (0.5W / m·K), tsis muaj thermal rwb thaiv tsev kev ua tau zoo, thiab yuav tsum tau ntxiv nrog ib txheej rwb thaiv tsev thiab txheej tiv thaiv. Cov yam ntxwv ntawm cov txheej rwb thaiv tsev yog tib yam li cov galvanized steel ntawv cua duct.

Composite iav fiber board cua duct: me me thermal conductivity (0.029W / m·K ntawm qhov nruab nrab kub ntawm 24 ° C, 0.04W / m·K ntawm 70 ° C), tshwj xeeb tshaj yog cov ntaub ntawv aluminium ntawv ci rau sab nrauv muaj siab. Thaum tshav kub kub reflection muaj peev xwm. Vim tias cov phab ntsa cua yog cov txheej rwb thaiv tsev, cov kav dej tau txais kev sib koom ua ke mortise, T-zoo li tus ncej puab pob tw thiab cov ntawv hlau txuas (lossis sab nraud flange txuas), kom txhua qhov chaw ntawm tag nrho cov pa cua yog insulated tusyees, tsis muaj tus choj txias. phenomenon, thiab muaj kev ua tau zoo Thermal rwb thaiv tsev kev ua tau zoo.

3.2 Kev ua haujlwm tua hluav taws

Galvanized steel ntawvhuab cua duct: tsis-combustible, tab sis seb lub rwb thaiv tsev txheej yog combustible nyob ntawm cov khoom, thiab non-combustible thermal rwb thaiv tsev ntaub ntawv xws li centrifugal iav ntaub plaub feem ntau yog siv.

Inorganic FRP cua duct: tib yam li galvanized steel ntawv cua duct.

Composite iav fiber board cua duct: siv tsis-combustible iav fiber ntau paj rwb board ua lub hauv paus khoom, siv nplaim-retardant nplaum, thiab compound aluminium foil daim ntaub thiab iav fiber ntau daim ntaub ntawm ob sab ntawm lub hauv paus khoom, yog li lub tiav lawm cua duct yog Cov khoom siv uas tsis yog-combustible, nrog kev ua haujlwm zoo hluav taws.

3.3 Lub suab nrov txo kev ua haujlwm

Galvanized steel ntawv cua duct: tsis muaj suab nrov txo kev ua haujlwm, amuffler thiab ntaub expansion pob qij txha yuav tsum tau ntsia, thiab covmuffler thiab ntaub expansion pob qij txha yuav tsum ua kom tiav cov txiaj ntsig xav tau, thiab nws qhov chaw teeb tsa muaj qee qhov yuav tsum tau ua, uas yog qhov nyuaj rau kev ua tiav hauv kev tsim vaj tsev tiag tiag, ua rau nws nyuaj los lav qhov tseeb ntawm lub suab nrov txo. Tsis tas li ntawd, lub suab nrov thib ob yog tsim thaum cua ceev siab, qhov ntev ntawm ib sab yog qhov loj thiab qhov kev txhawb zog tsis txaus, los yog nws yog txuam nrog cov kiv cua siab.

Inorganic iav fiber reinforced yas cua duct: tsis muaj suab attenuation kev ua tau zoo, suab rwb thaiv tsev kev ua tau zoo dua galvanized steel ntawv cua duct.Kujyuav tsum tau nruab nrog amuffler thiab ntaub expansion pob qij txha, xwbzoo li galvanized steel ntawv cua duct, nws yuav siv sij hawm ntau qhov chaw, thiab cov nyhuv ntawm kev kho suab nrov tsis zoo tagnrho.

Composite iav fiber board cua duct: nws cov yeeb nkab phab ntsa yog cov khoom ntxeem tau suab-absorbing, uas muaj lub suab zoo-absorbing nyhuv ntawm nruab nrab thiab high-frequency suab tsis. Nws yog ib tug zoo tubularmuffler thiab ntaub expansion pob qij txha, uas tuaj yeem tshem tawm cov suab nrov nrov thiabtnws cov suab nrov thib ob uas tsim los ntawm lub cev valve, cov yeeb nkab fittings, thiab lwm yam.muffler thiab ntaub expansion pob qij txha tuaj yeem raug tshem tawm.

 Txhawm rau txo cov suab nrov thiab kev vibration hauv cov kab hluav taws xob cua ua los ntawm cov ntawv hlau galvanized, FRP, cov fiberglass sib xyaw, cov ntaub nthuav tawm cov pob qij txha kuj yog ib qho yuav tsum tau ua.

3.4 Moisture-proof kev ua haujlwm

Galvanized sheet steel cua duct: susceptible to noo noo corrosion thiab xeb, tshwj xeeb tshaj yog thaum thauj huab cua nrog cov ntsiab lus siab noo noo. Thaum lub sij hawm tsim cov cua duct, txheej galvanized ntawm qhov tom ntawm cov ntawv hlau raug puas, yog li nws tsis yooj yim rau kev tsim thiab ua kev kho los tiv thaiv corrosion. Condensation kuj yuav tshwm sim nyob rau hauv qhov chaw uas tus choj txias tshwm sim corrode cov kav dej, yog li cuam tshuam rau nws lub neej tag nrho.

Inorganic FRP huab cua duct: txwv los ntawm qhov sib piv ntawm cov ntaub ntawv raw, nws cov dej-pov thawj kev ua haujlwm tsis zoo hauv kev ruaj ntseg.

Composite iav fiber board cua duct: tsis muaj perishable cov ntaub ntawv thiab qhov chaw, sab nrauv ntawm cov pa duct yog noo-pov thawj aluminium foil daim ntaub, nws cov dej permeability yog xoom, tab sis nws muaj zog tiv thaiv corrosion, tus nqi nqus dej ntawm iav fiber. board tsis ntau tshaj 2%; thaumlub cevnyob rau hauv ib qho chaw ntub dej rau lub sijhawm ntev, nws lub suab attenuation thiab thermal rwb thaiv tsev zog yuav tsis hloov. Vim tias nws yog cov khoom ntxeem tau, nws yog ib qho tsim nyog los tiv thaiv sab hauv ntawm cov yeeb nkab, qhov kawg ntawm cov yeeb nkab thiab txiav los ntawm kev ntub dej rau lub sijhawm ntev.

3.5 Cua nkag

Galvanized sheet steel cua duct: Thaum tag nrho qhov ntev ntawm cov pa duct yog tsawg dua 50m, cov pa tawm feem ntau nce mus txog 8% mus rau 10%. Thaum tag nrho qhov ntev ntawm cov pa taws nce, cov pa tawm ntawm huab cua yuav tsum nce kom tsim nyog. Thaum lub siab zoo li qub hauv cov yeeb nkab yog 500Pa, cov pa tawm hauv ib cheeb tsam ntawm cov yeeb nkab cua yog 6m./h·.

Inorganic FRP cua duct: Thaum tag nrho qhov ntev ntawm cov pa duct yog tsawg dua 50m, cov pa tawm feem ntau nce mus txog 6% mus rau 8%. Thaum tag nrho qhov ntev ntawm cov pa taws nce, cov pa tawm ntawm huab cua yuav tsum nce kom tsim nyog.

Composite fiberglass board cua duct: cov pa cua txuas nrog slotting, mortise, thiab kua nplaum, thiab qhov sib koom ua ke yog kaw nrog aluminium ntawv ci daim kab xev. Cov pa tawm ntawm cov pa tawm ntawm cov pa tsis muaj zog yog qhov pibxoom, thiab cov pa tawm ntawm cov pa hluav taws xob ntxiv yog tsis ntau tshaj 1%. Cov pa tawm cua tsis ntau tshaj 2%. Thaum lub siab zoo li qub hauv cov yeeb nkab yog 500Pa, cov pa tawm hauv ib cheeb tsam ntawm cov kav dej yog tsawg dua 1.8m./h·.

3.6 Lub zog

Galvanized steel ntawvcua duct: siab zog, muaj zog static siabtsis kam, yuav tsum tau ntxiv dag zog raws li cov kev cai thaum seem loj.

Inorganic FRP huab cua duct: lub zog siab, tab sis kuj tsis yooj yim, vim nws qhov hnyav, nws tsis yooj yim los tuav, thiab nws yooj yim tawg thiab puas los ntawm kev sib tsoo. Vim qhov loj ntawm tus kheej qhov hnyav, cov phab ntsa tuab ntawm cov pa cua duct nce sai heev thaum sab ntev ntawm lub dav hlau kab rov tav yog qhov loj, thiab qhov hnyav ntawm cov yeeb nkab phab ntsa hauv ib cheeb tsam ntawm chav tsev nce siab heev, uas ua rau muaj kev puas tsuaj mus tas li.

Vertical deformation thiab kev sib haum xeeb.

Composite iav fiber board cua duct: Nws tuaj yeem ua tau raws li qhov xav tau ntawm kev ua pa dav dav thiab cua txias. Thaum cua siab yog 500Pa, qhov deformation ntawm cov yeeb nkab phab ntsa tsis ntau tshaj 1%. Thaum cov phab ntsa tuab yog 25 hli, nws tuaj yeem tiv taus 800Pa static siab. Yog hais tias nws yuav tsum tau tiv taus siab dua los yog sab ntev ntawm cov pa duct yog ntau tshaj 630mm, nws muaj peev xwm yuav ntxiv dag zog raws li cua siab thiab tsim yuav tsum tau, thiab lub siab tshaj plaws cua siab yuav tiv taus 1500Pa.

3.7 Nyhav

Galvanized steel ntawvCua duct: qhov ntom ntom yog 7870kg / mᶟ, qhov hnyav ntawm ib cheeb tsam yog 10kg / ㎡16kg / hnab(thickness ntawm nyias steel phaj δ = 0.5mm ~ 1mm, nrog rau qhov hnyav ntawm rwb thaiv tsev txheej thiab txheej tiv thaiv, suav nrog flange thiab dai bracket Qhov hnyav yog 4kg ~ 4.8kg).

Inorganic FRP cua duct: qhov ntom ntom yog 2100kg / mᶟ, thiab qhov hnyav ntawm ib chav tsev yog 11kg / ㎡23kg / hli(phab ntsa thickness δ = 3mm ~ 8mm, nrog rau qhov hnyav ntawm cov rwb thaiv tsev txheej thiab txheej tiv thaiv, suav nrog qhov hnyav ntawm qhov kev ncua kev kawm 1.7kg).

Composite iav fiber board cua duct: Qhov ceev yog 64kg / mᶟ, thiab qhov hnyav ib chav tsev yog 2.8 kg / ㎡(phab ntsa thickness δ = 25mm, nrog rau qhov hnyav ntawm qhov ncua kev kawm ntawv 1.5kg).

3.8 Kev sib txhuam tsis kam

Sab hauv phab ntsa ntawm cov iav fiberboard cua duct yog iav ntaub, thiab qhov roughness ntawm qhov chaw yog 0.2 hli, uas yog me ntsis loj dua qhov ntsuas tus nqi ntawm cov ntawv hlau galvanized. Nyob rau hauv cov xwm txheej uas cov cua ceev hauv cov pa cua yog tsawg dua 15m / s, nws qhov kev tiv thaiv ntawm txoj kev yog tib yam li cov galvanized steel ntawv cua duct. Piv nrog rau tsis pub ntau tshaj 7% (nrog rau qhov kev tiv thaiv tau nce los ntawm kev siv zog ntxiv hauv cov kav dej), qhov kev tawm tsam ntawm txoj hauv kev hauv cov cua txias qhov cua qhov cua tsuas yog kwv yees li 10% ntawm cov kev tawm tsam hauv zos (qhov tseem ceeb tib yam li. lub zos tsis kam ntawm cov galvanized steel ntawv cua duct ), yog li qhov nce qhov cua tsis kam ntawm iav fiber duct piv nrogGalvanized steel ntawv duct yog tsawg dua 1%, thiab kev cuam tshuam ntawm tag nrho cov kav dej tsis pom tseeb thiab tuaj yeem tsis quav ntsej. Qhov kev sib txhuam tsis sib haum ntawm cov dej tsis muaj zog FRP huab cua yog ntau dua li ntawm galvanized steel ntawv cua duct, thiab nyob ze rau ntawm cov iav fiber ntau pawg cua duct.

3.9 Shielding fiber muaj peev xwm ntawm iav fiberboard cua duct

Sab hauv phab ntsa ntawm cov pa cua yog ua los ntawm cov ntaub iav, uas muaj peev xwm tiv thaiv kev tawg ntawm fibers. Nyob rau hauv cov xwm txheej ntawm cua ceev hauv cov yeeb nkab ntawm 15m / s, cov fibers ntawm cov phab ntsa sab hauv ntawm cov yeeb nkab cua yuav tsis poob, uas ua raws li lub teb chaws tus qauv kev tu cev thiab ua kom cov huab cua zoo nyob hauv tsev thiab ib puag ncig.

3.10 Kev pab lub neej

Galvanized steel ntawv huab cua duct: Tsis zoo noo noo tsis kam, uas txo tag nrho lub neej ntawm cov pa duct, thiab nws lub neej yog feem ntau 5 mus rau 10 xyoo.

Inorganic FRP huab cua duct: hnyav, nyuaj rau nqa, thiab tsis yooj yim, yooj yim rau tawg thiab puas tsuaj los ntawm kev sib tsoo, thiab nquag mus tas li ntsug deformation thiab kev sib haum xeeb, cuam tshuam los ntawm ib puag ncig kev hloov ntawm dryness, av noo, kub, thiab tsis kub.; nws yooj yim ua rauits cov ntaub ntawv yog yooj yim dua, tawg, thiab tev. Yog tias qhov piv ntawm cov khoom siv raw tsis ua raws li tus qauv, qhov tshwm sim yuav hnyav dua, yog li txo qis tag nrho lub neej ntawm cov pa cua, uas feem ntau yog 5 mus rau 10 xyoo.

Composite iav fiber board cua duct: lub teeb yuag, corrosion kuj, anti-aging, yooj yim rau disassemble, kho thiab hloov cov kav dej, thiab lub neej kev pab cuam yuav ntev li ntawm 10 mus rau 30 xyoo.

1. Kev tsim kho thiab kev teeb tsa ntawm cov kav dej

Galvanized sheet steel cua duct: cov yeeb nkab hnyav, lub sijhawm tsim khoom thiab kev teeb tsa ntev, thiab kev hloov ntawm cov yeeb nkab loj thiab kev taw qhia yog kev siv zog ntau. Cov txheej txheej rwb thaiv tsev tau muab tso rau ntawm qhov chaw tom qab qhov cua tshuab tau teeb tsa, cov txheej txheem yog cumbersome, thiab cov rwb thaiv tsev tuab ntawm cov cua flange tsis yooj yim los lav lossis tsis muaj rwb thaiv tsev. Yuav tsum muaj qhov chaw txaus rau kev teeb tsa thiab kev ua haujlwm ntawm cov txheej txheej rwb thaiv tsev nyob ib puag ncig cov pa cua, txwv tsis pub cov txheej txheem ntawm cov txheej txheem rwb thaiv tsev yuav nyuaj los xyuas kom meej vim qhov tsis txaus ntawm installation clearance, thiab cov tsos yuav tsis zoo nkauj. Ntxiv ibmuffler thiab ntaub expansion pob qij txha xav tau ntau qhov chaw, thiab ua rau kom muaj kev nyuaj thiab ua haujlwm ntawm kev teeb tsa.

Inorganic FRP huab cua duct: Cov kav dej yog loj, tsis yooj yim rau nqa, thiab muaj lub zog siab, tab sis nws yog qhov tsis yooj yim, thiab nws yooj yim tawg thiab puas los ntawm kev sib tsoo. Lub sijhawm tsim khoom thiab kev teeb tsa yog ntev, thiab kev hloov pauv ntawm cov yeeb nkab loj thiab kev taw qhia yog kev siv zog thiab siv sijhawm ntev. Hais txog kev txo suab nrov thiab kev txuag hluav taws xob, nws yog tib yam li cov ntawv hlau galvanized.

Composite iav fiber board cua duct: lub raj yog lub teeb, thiab lub installation ceev ceev. Vim tias cov kav dej thiab cov txheej txheej rwb thaiv tsev tau sib xyaw ua ke, cov txheej txheem kev teeb tsa tuaj yeem ua tiav ib zaug, uas yooj yim rau kev hloov pauv raws li qhov chaw nyob lossis tsim qauv thaum lub sijhawm teeb tsa, tsis cuam tshuam rau lwm yam txheej txheem. Piv nrog rau lwm cov ntaub ntawv, nws tuaj yeem txuag qhov chaw ua haujlwm ntawm cov txheej txheem rwb thaiv tsev, thiab tuaj yeem txuag lub qab nthab tshem tawm ntawm 150mm ~ 200mm. Nws muaj qhov zoo nkauj zoo nkauj thiab tseem tsim nyog rau kev teeb tsa saum npoo. Nws kuj tseem tuaj yeem dai kom zoo nkauj nrog cov xim pleev xim, kom ua tiav kev sib haum xeeb nrog ib puag ncig ib puag ncig. Tab sis vim tias nws yog cov khoom siv tsis nruj, nws yuav tsum tau ua tib zoo saib xyuas kom tsis txhob muaj kev puas tsuaj rau tib neeg.

5.Kev lag luam tsom xam ntawm ntau yam cua ducts

Galvanized steel ntawv huab cua duct: Nws yog cov khoom siv ib txwm siv nrog ntau yam kev siv. Nws qhov zoo thiab qhov tsis zoo tau ntev tau nkag siab thiab lees paub los ntawm feem ntau ntawm cov neeg siv.

Inorganic FRP cua duct: Nws yog ib yam khoom tshiab. Vim nws qhov zoo ntawm kev tiv thaiv hluav taws, tiv thaiv corrosion thiab suab nrov cais tawm, nws ib zaug tau txeeb ntau tshaj li ib nrab ntawm lub khw muag khoom cua. Qee qhov tsis zoo hauv kev lag luam tau nkag siab, thiab kev ua lag luam feem ntawm inorganic FRP ducts tau maj mam txo qis.

Composite fiberglass cua duct: Nws yog ib yam khoom tshiab nyob rau hauv xyoo tas los no, vim hais tias nws muaj ib qho kev hloov loj ntawm cov khoom dhau los, raws li lub sij hawm dhau mus, nws tau hloov los ntawm cov neeg tsis paub, tsis ntseeg, thiab tos-thiab-pom rau qhov tam sim no kev paub, kev lees paub thiab kev lees paub. Kev nce qib loj thiab daim ntawv thov tau siv dav hauv cov nroog loj xws li Beijing thiab Shanghai. Nyob rau hauv tej yam kev mob thiab raws li cov kev cai tshwj xeeb, lub fiberglass board kuj yuav siv tau raws li hauv ob sab phlu ntawm lwm cov kav dej los ua cua sov-insulating thiab suab nrov-absorbing galvanized steel ntawv cua ducts los yog inorganic iav fiber reinforced yas cua ducts.

Txhawm rau txo cov suab nrov thiab kev vibration hauv cov kab hluav taws xob cua ua los ntawm cov ntawv hlau galvanized, FRP, cov fiberglass sib xyaw, cov ntaub nthuav tawm cov pob qij txha kuj yog ib qho yuav tsum tau ua.

Cua duct, flexible cua duct, insulated saj zawg zog cua duct, UL94-VO, UL181, HVAC, AIR DUCT MUFFLER, AIR DUCT SILENCER, AIR DUCT ATTENUATOR


Post lub sij hawm: Mar-13-2023