Cov phooj ywg uas khiav cov khw muag khoom qab zib lossis cov khw muag khoom yooj yim yuav tau ntsib qhov teeb meem no: Ob lub tub yees khov nab kuab uas teeb tsa ntawm -18°C yuav siv hluav taws xob 5 kWh hauv ib hnub, thaum lwm lub siv 10 kWh. Cov tub yees khov nab kuab tshiab khaws nws cov qauv du hauv qee lub tub yees, tab sis tas li muaj te thiab tawv hauv lwm lub. Qhov tseeb yog, qhov tuab ntawm cov txheej rwb thaiv tsev maj mam txiav txim siab qhov tshwm sim.
Muaj coob tus neeg xav tias "kev rwb thaiv tsev tuab dua yeej ib txwm zoo dua," tab sis cov neeg ua haujlwm hauv kev lag luam paub tias kev tuab tsis raug yuav ua rau lub zog thiab nyiaj txiag nkim lossis noj qhov chaw cia khoom.
I. Cov Khoom Siv Rwb Thaiv Tsev Tseem Ceeb Qhov Ntev yog txij li 50-100 hli, Tsim rau Cov Xwm Txheej Tshwj Xeeb
Tsis tas yuav tshawb nrhiav tsis kawg - qhov tuab ntawm cov khoom rwb thaiv tsev rau cov txee ice cream nyob ruaj khov ntawm 50-100 hli. Txawm li cas los xij, qhov no tsis yog tus nqi ruaj khov. Cov xwm txheej siv sib txawv thiab qhov kub thiab txias xav tau cov tuab sib txawv kiag li.
| Qauv/Daim Ntawv Thov Scenario | Lub Hom Phiaj Kub Ntau | Kev Ntsuas Rwb Thaiv Qhov Tuab Uas Pom Zoo | Lub laj thawj tseem ceeb |
|---|---|---|---|
| Cov Khoom Siv Khob Mis Nyuj Me Me Siv Hauv Tsev (Mini Upright/Kab Rov Tav) | -12°C txog -18°C | 50-70 hli | Kev siv hauv tsev uas siv zaus tsawg tsawg yuav tsum tau muaj qhov tuab ntawm cov rwb thaiv tsev tsawg kawg nkaus; sib npaug qhov muaj peev xwm khaws cia nrog cov kev xav tau khaws cia kub yooj yim |
| Cov Txee Tso Khoom Lag Luam Txheem (Khw Muag Khoom Yooj Yim/Khw Muag Khoom Qab Zib Sawv Ntsug) | -18℃~-22℃ | 70-90 hli | Qhib qhov rooj ntau zaus (kaum ob peb zaug ib hnub), xav tau kev sib npaug ntawm qhov kub thiab txias thiab thaj chaw tso saib kom tiv thaiv kev poob txias sai |
| Cov Chav Lag Luam Sab Nraud/Kub Siab (Cov Lag Luam Hmo Ntuj/Cov Rooj Muag Khoom Sab Nraud) | -18°C txog -25°C | 90-100 hli | Qhov kub thiab txias hloov pauv ntau heev (piv txwv li, lub caij ntuj sov sab nraum zoov 35℃+, sab hauv txee -20℃). Cov rwb thaiv tsev tuab txo cov kev siv hluav taws xob thiab tiv thaiv kom lub txee tsis txhob ntub dej. |
| Cov Txee Khaws Khoom Kub Uas Tsis Kub Heev (Cov Khw Muag Khoom Loj / Cov Khw Muag Khoom Noj Qab Haus Huv Lag Luam Wholesale) | Hauv qab -25°C | 100-150 hli | Kev khaws cia rau qib kev lag luam xav tau qhov kub qis heev nrog rau kev khaws cia qhov kub thiab txias tsis muaj kev cuam tshuam; cov khoom rwb thaiv tsev PU ua npuas ncauj ntau yog siv, thiab qhov tuab tsis txaus tuaj yeem ua rau cov khoom qab zib ice cream puas. |
Ib qho lus ceeb toom tshwj xeeb: Kev khaws cia cov khoom qab zib khov yuav tsum muaj cov qauv rwb thaiv tsev nruj dua. Raws li ntau tus kws tshaj lij khaws cia txias sib koom ua ke ntawm cov platform zoo li Douyin, kev khaws cia cov khoom qab zib khov ntawm -22 ° C txog -25 ° C xav tau cov txheej rwb thaiv tsev tsawg kawg 15cm (150mm) tuab rau kev siv hluav taws xob zoo tshaj plaws. Thaum cov txee khoom qab zib khov tsis xav tau qhov tuab no, cov qauv kub qis heev yuav tsum tsis txhob poob qis dua 100mm.
II. 4 Yam Tseem Ceeb No Tseem Ceeb Rau Kev Ua Haujlwm Zoo ntawm Kev Rwb Thaiv Tsev
Muaj ntau lub lag luam tsuas yog tsom mus rau qhov tuab xwb thaum yuav khoom, tsis quav ntsej txog cov yam tseem ceeb ntxiv. Lub "peev xwm khaws cua sov" ntawm lub vaj huam sib luag yeej nyob ntawm cov teebmeem ntawm qhov tuab, cov khoom siv, cov txheej txheem tsim khoom, thiab cov qauv - tsuas yog ntxiv qhov tuab tsis yog ib txwm ua tau zoo.
1. Qhov sib txawv ntawm qhov kub thiab txias ntau dua yuav tsum tau muaj cov vaj huam sib luag tuab dua
Lub luag haujlwm tseem ceeb ntawm kev rwb thaiv tsev yog los thaiv kev sib pauv cua sov ntawm sab hauv thiab sab nraud. Qhov sib txawv ntawm qhov kub thiab txias ntau dua yuav tsum tau tuab dua. Piv txwv li, nyob rau hauv ib puag ncig sab hauv tsev 25 ° C, lub txee ice cream -18 ° C yuav tsum tau tuab 70 hli. Txawm li cas los xij, yog tias muab tso rau hauv lub txee sab nraum zoov 38 ° C, kev tswj qhov kub thiab txias tib yam yuav tsum tau nce qhov tuab mus rau ntau dua 90 hli. Qhov no zoo ib yam li hnav lub tsho down thaum lub caij ntuj no: xav tau ib qho tuab dua nyob rau hauv thaj chaw sab qaum teb ntawm -20 ° C, thaum ib qho nyias dua txaus nyob rau hauv thaj chaw sab qab teb ntawm 5 ° C.
2. Cov Ua Npuas Ncauj PU Tseem Ceeb: Qhov Ceev Tseem Ceeb Dua Li Qhov Thickness
Yuav luag txhua lub txee ua dej khov siv cov khoom siv polyurethane (PU) ua npuas ncauj rwb thaiv tsev. Cov khoom siv no muaj qhov ceev kaw txog li 95% thiab qhov ua kom sov tau qis li 0.018-0.024 W/(m·K), ua rau nws yog "txhua yam" ntawm kev rwb thaiv tsev. Txawm li cas los xij, nco ntsoov: PU ua npuas ncauj ceev yuav tsum yog ≥40kg/m³; txwv tsis pub, txawm tias muaj tuab txaus, sab hauv qhov khoob yuav ua rau kev rwb thaiv tsev puas tsuaj. Qee cov chaw tsim khoom txiav cov nqi los ntawm kev siv ua npuas ncauj honeycomb es tsis txhob siv ua npuas ncauj khov, txo qhov ua tau zoo ntawm kev rwb thaiv tsev los ntawm 30%. Txawm tias yog sau tias tuab 80mm, nws qhov ua tau zoo tiag tiag tsis txog 50mm ntawm cov ua npuas ncauj PU zoo.
3. Kev rwb thaiv tsev tuab dua rau qhov qhib qhov rooj ntau zaus
Cov txee khov nab kuab hauv khw muag khoom yooj yim, uas cov neeg siv khoom qhib ntau zaus txhua hnub, ntsib kev poob txias sai, xav tau cov khoom rwb thaiv tsev tuab dua li cov chav tsev 20 hli. Cov qauv sab nraum zoov tsis yog tsuas yog ntsib kev hloov pauv kub ntau dua xwb tab sis kuj tseem muaj tshav ntuj ncaj qha thiab huab cua raug, ua rau xav tau ntxiv 10-20 hli tuab. Ntawm qhov tod tes, cov chav tsev uas qhib tsawg zaus tsuas xav tau 50 hli ntawm cov khoom rwb thaiv tsev zoo. Cov tuab ntau dhau siv qhov chaw cia khoom tsis tsim nyog.
4. Tiv thaiv "Cov teebmeem ntawm lub choj kub" ua tau zoo dua li qhov ua kom tuab
Qee lub txee khov nab kuab tsis tuaj yeem khaws cia txias txawm tias tuab txaus vim yog "kev sib txuas cua sov." Piv txwv li, cov hlau tsis zoo lossis cov gaskets qhov rooj ua haujlwm zoo li "qhov hauv ib lub tsho rwb thaiv tsev," ua rau cua sov tawm ncaj qha. Qhov no piav qhia vim li cas qee cov chaw tsim khoom ntxiv cov rwb thaiv tsev ntxiv rau ntawm cov hlau sib txuas - txawm tias muaj cov rwb thaiv tsev nyias dua me ntsis, lawv cov kev ua tau zoo dua li cov khoom tsis rwb thaiv tsev, tuab dua.
III. Kev xaiv qhov tuab kom raug tuaj yeem txuag tau cov nqi hluav taws xob ntau txhua xyoo
Qhov tuab ntawm cov rwb thaiv tsev cuam tshuam ncaj qha rau cov nqi hluav taws xob. Ib daim qauv yooj yim ntawm kev hloov pauv cua sov piav qhia vim li cas: qhov nrawm ntawm kev hloov pauv cua sov yog sib piv rau qhov tuab. Qhov tuab dua ua rau cua sov nkag mus nyuaj dua, txo qhov xav tau kev ua kom txias ntau zaus thiab txo qis kev siv hluav taws xob.
Xav txog qhov piv txwv no hauv lub ntiaj teb tiag: Lub txee khov nab kuab hauv lub khw muag khoom yooj yim uas muaj 70mm rwb thaiv tsev siv 8 kWh txhua hnub. Tom qab hloov nws nrog lub txee tuab 90mm ntawm tib tus qauv, kev siv txhua hnub poob qis mus rau 5.5 kWh. Ntawm tus nqi lag luam ntawm 1.2 yuan / kWh, kev txuag txhua xyoo yog (8-5.5) × 365 × 1.2 = 1,095 yuan. Txawm li cas los xij, nco ntsoov tias dhau ntawm 100mm tuab, kev txuag hluav taws xob txo qis me ntsis. Piv txwv li, lub txee 120mm tsuas yog txuag tau ntxiv 0.3 kWh txhua hnub piv rau tus qauv 100mm, tab sis txo qhov peev xwm cia khoom los ntawm 15% - ua rau nws tsis ua haujlwm zoo.
IV. Peb Lub Tswv Yim Kom Tsis Txhob Muaj "Qhov Tuab Cuav" thiab "Kev Ua Haujlwm Tsis Zoo"
Kev lag luam muaj nws cov tswv yim, xws li sau npe rau 80mm tuab tab sis xa tawm tsuas yog 60mm, lossis ua tau raws li cov qauv tuab nrog cov txheej txheem ua npuas dej tsis zoo. Nov yog peb qhov kev kuaj xyuas yooj yim los txheeb xyuas cov teeb meem no yam tsis muaj cov cuab yeej tshwj xeeb:
1. Ntsuas nws: Rau tib lub peev xwm, cov chav hnyav dua yuav ntseeg tau dua.
Cov ua npuas dej PU zoo muaj qhov ceev dua, ua rau nws hnyav dua. Piv txwv li, ob lub txee ua dej khov nab kuab 153L: tus qauv zoo yuav hnyav 62 jin (kwv yees li 31.5 lbs), thaum tus tsis zoo yuav tsuas yog 48 jin (kwv yees li 24.8 lbs). Qhov hnyav sib dua no yuav qhia tau tias qhov ua npuas dej tsis txaus lossis qhov tuab tsawg dua.
2. Xyuas qhov sib txawv ntawm lub foob thiab lub cev txee
Cov ntaub thaiv qhov rooj yog "qhov tseem ceeb pab" rau kev rwb thaiv tsev. Lawv yuav tsum zoo li rub tau thaum nias thiab ua rau lub qhov rooj kaw ruaj khov, tsis muaj qhov sib txawv thaum kaw. Qhov puas lossis qhov tawg ntawm cov ces kaum ntawm lub txee qhia tias cov ua npuas dej faib tsis sib npaug, tej zaum yuav qhia tias muaj qhov sib txawv hauv cov txheej rwb thaiv tsev.
3. Tshawb xyuas qhov kub ntawm qhov chaw: Tom qab 2 teev ntawm kev ua haujlwm, qhov chaw ntawm lub txee yuav tsum tsis muaj dej noo lossis kub dhau.
Tom qab 2 teev ua haujlwm, kov sab nraud ntawm lub txee. Yog tias muaj dej noo (tawm hws) tshwm sim lossis nws zoo li kub heev, qhov no qhia tau tias tsis zoo rau kev rwb thaiv tsev - tsis txaus tuab lossis cov khoom siv / teeb meem tsim khoom. Hauv qab qhov xwm txheej ib txwm muaj, qhov kub ntawm lub txee yuav tsum ze rau qhov kub ib puag ncig, tsuas yog xav tias txias me ntsis xwb.
V. Txheeb xyuas cov qauv no kom tsis txhob muaj cov khoom tsis zoo
Cov txee khov nab kuab raug cai yuav tsum ua raws li cov qauv tseem ceeb, xws li GB 4706.1 "Kev Nyab Xeeb ntawm Cov Khoom Siv Hluav Taws Xob Hauv Tsev thiab Cov Khoom Siv Zoo Sib Xws" thiab T/CAR 12—2022 "Kev Faib Tawm, Cov Kev Cai, thiab Cov Kev Cai Xeem rau Cov Khob Khob Khov."
Txawm hais tias cov qauv no tsis tau yuam kom muaj qhov tuab tshwj xeeb los xij, lawv tsim cov kev cai meej rau kev ua haujlwm ntawm kev rwb thaiv tsev. Piv txwv li, tus coefficient ntawm kev hloov pauv cua sov (K-value) yuav tsum qis txaus kom ntseeg tau tias qhov kub thiab txias sab hauv sib npaug thiab kev siv hluav taws xob zoo.
Thaum koj yuav khoom, thov kom tus neeg muag khoom muab cov ntawv qhia txog kev sim. Ua tib zoo saib "qhov sib piv ntawm kev hloov pauv cua sov" thiab "qhov ceev ntawm cov ua npuas dej ntawm cov txheej rwb thaiv tsev." Yog tias ob qho ntsuas no ua tau raws li cov qauv, ua ke nrog cov tuab uas tau hais ua ntej, koj yuav zam tau ntau yam teeb meem.
Cov ntsiab lus tseem ceeb:Tsis txhob xav tias qhov tuab ntawm cov khoom rwb thaiv tsev rau cov txee ice cream yuav tsum yog qhov tseem ceeb. Xaiv 50-70mm rau kev siv hauv tsev, 70-90mm rau kev lag luam sab hauv tsev, & 90-150mm rau kev siv sab nraum zoov/kub tsawg heev. Xaiv qhov ceev ntawm PU ua npuas ncauj thiab cov txheej txheem tsim khoom, tom qab ntawd kho raws li qhov xwm txheej siv. Qhov no ua kom muaj kev rwb thaiv tsev zoo yam tsis tas siv chaw lossis nqi hluav taws xob.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-31-2025 Cov neeg saib: