Taw Qhia Thiab Txoj Cai Ntawm Lub Tshuab Nqus Tsev

Taw qhia
Lub tshuab nqus tsev iav yog ib hom tshiab ntawm iav sib sib zog nqus ua khoom. Nws yog ib qho ntawm ob peb cov khoom lag luam uas muaj kev ywj pheej ntawm kev txawj ntse muaj cai hauv kuv lub teb chaws kev lag luam iav. Nws txoj kev tshawb fawb thiab kev tsim kho thiab kev txhawb nqa yog ua raws li kuv lub teb chaws txoj cai ntawm kev txhawb nqa kev ywj pheej ywj pheej thiab txoj cai txuag hluav taws xob tau tawm tswv yim los ntawm lub teb chaws. Nws ua lub luag haujlwm zoo hauv kev txuag hluav taws xob thiab lub suab rwb thaiv tsev thiab muaj kev txhim kho zoo thiab kev cia siab.
Txoj Cai
Raws li txoj cai, lub tshuab nqus tsev iav tuaj yeem zoo li lub raj mis thermos. Qhov zoo sib xws ntawm ob txheej iav yog qhov interlayer ntawm ob txheej iav yog lub tshuab nqus tsev uas muaj cua siab qis dua {{0}}pa, kom cov pa hluav taws xob hloov pauv tuaj yeem tsis quav ntsej; cov phab ntsa sab hauv ntawm ob qho tib si yog coated nrog cov yeeb yaj kiab uas tsis tshua muaj hluav taws xob kom txo tau cov hluav taws xob hloov hluav taws xob tsawg. Qhov sib txawv ntawm ob yog: Ua ntej, lub tshuab nqus tsev iav yuav tsum yog pob tshab lossis translucent rau lub qhov rooj thiab qhov rais. Nws tsis tuaj yeem coated nrog opaque nyiaj zaj duab xis zoo li lub raj mis thermos. Nws yog coated nrog ntau hom pob tshab uas tsis muaj hluav taws xob; thib ob, los ntawm lub raj mis cylindrical lossis spherical thermos uas tuaj yeem sib npaug siab rau lub phaj tiaj tus, "txhawb" square array yuav tsum tau teeb tsa nruab nrab ntawm ob txheej iav kom tiv taus huab cua siab txog li 10 tons ib square meter , yog li ntawd lub iav yog khaws cia sib nrug thiab lub tshuab nqus tsev txheej yog tsim. Qhov sib nrug ntawm qhov "txhawb" array yog tsim raws li cov thickness thiab mechanical parameters ntawm iav phaj, uas yog nruab nrab ntawm 20mm-40mm. Txhawm rau txo cov cua sov hloov pauv los ntawm "thermal choj" ntawm kev txhawb nqa thiab ua rau nws nyuaj rau tib neeg lub qhov muag kom paub qhov txawv, txoj kab uas hla ntawm kev txhawb nqa yog me me heev. Txoj kab uas hla ntawm kev txhawb nqa hauv cov khoom yog nruab nrab ntawm 0.3mm-0.5mm, thiab qhov siab yog nruab nrab ntawm 0.1mm-0.2mm. Lub tshuab nqus tsev iav muaj lwm txoj haujlwm zoo dua, uas yog lub suab rwb thaiv tsev. Vim tias lub tshuab nqus tsev, lub suab nrov tsis tuaj yeem kis tau, yog li lub tshuab nqus tsev iav tuaj yeem cais 90% ntawm lub suab nrov.
Thaum tshav kub kub hloov mechanism
Vim muaj cov qauv sib txawv, cov cua kub hloov tshuab ntawm lub tshuab nqus tsev vacuum thiab insulating iav kuj txawv. Daim duab 2 yog ib qho yooj yim hloov hluav taws xob schematic daim duab. Lub tshav kub hloov mus rau hauv nruab nrab ntawm lub tshuab nqus tsev iav yog tsim los ntawm hluav taws xob hloov hluav taws xob thiab txhawb kev hloov hluav taws xob, nyob rau hauv uas residual gas tshav kub hloov yog tsis quav ntsej. Insulating iav yog tsim los ntawm cov pa hluav taws xob hloov pauv (xws li conduction thiab convection) thiab hluav taws xob hloov hluav taws xob.
Nws tuaj yeem pom tau tias txhawm rau txo cov cua sov hloov pauv los ntawm qhov kub sib txawv, ob lub tshuab nqus tsev iav thiab cov iav insulating yuav tsum txo cov hluav taws xob hloov hluav taws xob. Ib txoj hauv kev zoo yog siv iav coated nrog low-emissivity film (LOW-E iav). Nyob rau hauv cov xwm txheej ntawm kev coj mus rau hauv tus account lwm yam kev ua haujlwm kho qhov muag, qhov qis dua nws cov emissivity (tseem hu ua hluav taws xob tus nqi), qhov zoo dua. Qhov sib txawv ntawm ob yog tias lub tshuab nqus tsev iav yuav tsum txo cov cua sov hloov ntawm lub lattice txhawb kom ntau li ntau tau.
Lub thermal rwb thaiv tsev kev ua tau zoo ntawm lub tshuab nqus tsev iav yog ua raws li lub hauv paus ntsiab lus ntawm lub tshuab nqus tsev thermos. Lub thermal rwb thaiv tsev ntawm tempered lub tshuab nqus tsev iav V iav khoom tshaj li ntawm ib tug {{{0}}} meter-thick brick phab ntsa, uas yog 4 mus rau 6 npaug ntawm zoo tib yam insulating iav, thiab tus nqi U (tseem hu ua tshav kub. Hloov cov coefficient lossis K tus nqi) tsawg li 0.4 W / m2·K (Tebchaws Europe IFT daim ntawv qhia txog kev kuaj).
Lub suab rwb thaiv tsev thiab suab nrov txo kev ua tau zoo ntawm lub tshuab nqus tsev iav yog nyob ntawm qhov tseeb tias lub suab tsis tawm hauv lub tshuab nqus tsev. Qhov hnyav lub suab rwb thaiv tsev ntawm tempered lub tshuab nqus tsev iav V iav ncav cuag 39 decibels (CTC National Inspection Group daim ntawv qhia), thiab qhov hnyav lub suab rwb thaiv tsev ntawm cov iav insulating yog li 28 decibels.
Nrog tempered lub tshuab nqus tsev iav V iav, chav tsev nyob ntsiag to li lub tsev qiv ntawv txawm nyob hauv tshav dav hlau, viaduct lossis txoj kev loj.
Lus Cim: Qhov siab dua lub suab rwb thaiv tsev, qhov zoo dua lub suab rwb thaiv tsev nyhuv. Piv txwv li, yog lub suab nrov sab nraum zoov yog 75 decibels, tom qab siv tempered lub tshuab nqus tsev iav V iav, lub suab sab hauv tsev yog 36 decibels (75-39=36), thiab lub tsev qiv ntawv feem ntau qis dua 40 decibels.
Lub neej kev cia siab ntawm tempered lub tshuab nqus tsev iav V iav tuaj yeem ncav cuag ntau tshaj 25 xyoo. Nws muaj lub tshuab nqus tsev siab, uas ua rau cov pa hluav taws xob hloov pauv tsis zoo. Nyob rau tib lub sijhawm, nws siv cov iav Low-E ua haujlwm zoo los tiv thaiv hluav taws xob hloov pauv hluav taws xob, kom ntseeg tau tias qhov kub hloov pauv coefficient (U tus nqi) ntawm V iav yog tsawg li 0.4W / (m2·K ). Nyob rau tib lub sijhawm, kev ua haujlwm thermal rwb thaiv tsev ntawm V iav yog 2-4 npaug ntawm cov iav hollow thiab 6-10 npaug ntawm cov iav ib zaug. Nws tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm cov cua sov hloov coefficient ntawm lub qhov rooj thiab qhov rais ntawm lub tsev passive thoob ntiaj teb thaum siv nws tus kheej.
Suab rwb thaiv tsev mechanism
Vacuum iav thiab insulating iav yog txawv kiag li hauv cov qauv thiab ntau lawm. Insulating iav tsuas yog ob daim iav nplaum ua ke nrog cua txheej hauv nruab nrab, thaum lub iav nqus tsev yog sandwiched ntawm ob daim iav nrog ib zaj duab xis txhawb nqa, kom ob daim iav yog tag nrho fused nyob rau hauv ib tug high-temperature nqus tsev. , thiab muaj lub tshuab nqus tsev nruab nrab ntawm ob daim iav. Hauv lub tshuab nqus tsev, lub suab tsis tuaj yeem kis tau. Tau kawg, txij li qhov kev txhawb nqa ntawm lub tshuab nqus tsev iav dhau los ua tus choj suab, lub tshuab nqus tsev tsis tuaj yeem ncav cuag 100%, tab sis cov kev txhawb nqa tsuas yog suav rau ib txhiab ntawm cov iav, thiab cov no tsuas yog lub suab txuas me me uas tuaj yeem tsis quav ntsej.