Raws li cov qauv kev faib tawm sib txawv, cov saw hlau txias tuaj yeem muab faib ua ntau hom.Piv txwv li, tsuas yog los ntawm kev ua haujlwm hom, nws feem ntau suav nrog ob hom:
Thawj yog siv cov txheej txheem ntawm "nplua nuj lub thawv + lub hnab txias", feem ntau hu ua "package txias chain", uas yog tus cwj pwm los ntawm kev siv lub pob nws tus kheej los tsim ib qho chaw me me uas haum rau lub sijhawm luv luv ntawm cov khoom tshiab.Qhov kom zoo dua ntawm txoj kev no yog tias cov khoom ntim tuaj yeem muab faib ua cov khoom siv hluav taws xob zoo li qub, thiab tag nrho cov nqi logistics qis dua.
Qhov thib ob hom yog siv cov kab mob khaub thuas tiag tiag logistics system, uas yog, los ntawm qhov txias cia ntawm lub hauv paus chiv keeb mus rau kev xa khoom ntawm cov neeg siv khoom kawg, tag nrho cov kev sib txuas ntawm cov khoom siv logistics yog nyob rau hauv qhov kub thiab txias ib puag ncig los xyuas kom meej qhov txuas txuas ntxiv ntawm cov saw hlau txias.Hauv hom no, qhov kub ntawm tag nrho cov saw txias yuav tsum tau tswj, uas feem ntau hu ua "ib puag ncig txias saw".Txawm li cas los xij, qhov yuav tsum tau ua rau tag nrho cov kab mob khaub thuas txias logistics yog qhov siab heev, nws nyuaj rau siv cov txheej txheem logistics zoo tib yam los ua haujlwm, thiab tag nrho cov nqi khiav lag luam kuj tseem siab.
Tab sis tsis muaj teeb meem dab tsi ntawm cov qauv txias txias saum toj no yog siv, cov ntaub ntawv ua npuas dej uas tuaj yeem ua kom sov, kub insulating, poob siab absorbing thiab buffering tuaj yeem suav tias yog cov khoom siv zoo tagnrho.
Tam sim no, feem ntau siv rau hauv cov saw txias logistics thiab kev thauj mus los yog polyurethane ua npuas ncauj, polypropylene ua npuas ncauj thiab polystyrene ua npuas ncauj.Cov tsheb thauj khoom, cov thawv txias thiab cov chaw cia txias kuj muaj nyob txhua qhov chaw.
Polystyrene ua npuas ncauj (EPS)
EPS yog lub teeb yuag polymer.Vim tias nws tus nqi qis, nws kuj yog cov khoom siv dav siv ntau tshaj plaws hauv cov ntim ntim tag nrho, suav txog ze li 60%.Cov polystyrene resin yog tsim los ntawm kev ntxiv ib tus neeg ua npuas ncauj los ntawm cov txheej txheem ntawm kev nthuav dav ua ntej, kho, molding, ziab thiab txiav.Lub kaw kab noj hniav ntawm EPS txiav txim siab tias nws muaj cov thermal rwb thaiv tsev zoo, thiab cov thermal conductivity tsawg heev.Lub thermal conductivity ntawm EPS boards ntawm ntau yam specifications yog nruab nrab ntawm 0.024W / mK ~ 0.041W / mK Nws muaj kev txuag hluav taws xob zoo thiab kev txuag txias hauv kev lag luam.
Txawm li cas los xij, raws li cov khoom siv thermoplastic, EPS yuav yaj thaum cua sov thiab ua kom khov thaum txias, thiab nws cov thermal deformation kub yog nyob ib ncig ntawm 70 ° C, uas txhais tau hais tias EPS incubators ua tiav rau hauv npuas ntim yuav tsum tau siv qis dua 70 ° C.Yog tias qhov kub thiab txias dhau ntawm 70 ° C, lub zog ntawm lub thawv yuav raug txo, thiab cov tshuaj lom neeg yuav raug tsim tawm vim yog volatilization ntawm styrene.Yog li ntawd, EPS pov tseg tsis tuaj yeem raug huab cua thiab tsis tuaj yeem hlawv.
Tsis tas li ntawd, qhov nyuaj ntawm EPS incubators tsis zoo heev, qhov kev ua haujlwm buffering kuj yog qhov nruab nrab, thiab nws yooj yim rau kev puas tsuaj thaum lub sijhawm thauj mus los, yog li nws feem ntau siv ib zaug, siv rau lub sijhawm luv luv, luv luv txias txias saw. kev thauj mus los, thiab kev lag luam khoom noj xws li nqaij thiab nqaij qaib.Cov tais thiab cov khoom ntim khoom noj ceev.Lub neej kev pab cuam ntawm cov khoom no feem ntau yog luv, txog 50% ntawm cov khoom siv polystyrene ua npuas ncauj muaj lub neej kev pab tsuas yog 2 xyoos, thiab 97% ntawm cov khoom siv polystyrene ua npuas ncauj muaj lub neej kev pab tsawg dua 10 xyoo, uas ua rau muaj kev nce hauv EPS ua npuas ncauj pov tseg txhua xyoo, tab sis EPS ua npuas ncauj tsis yooj yim rau decompose thiab rov ua dua, yog li tam sim no nws yog lub ntsiab culprit ntawm dawb paug: EPS suav rau ntau tshaj 60% ntawm cov khib nyiab dawb paug hauv dej hiav txwv!Thiab raws li cov khoom ntim rau EPS, feem ntau ntawm HCFC foaming agents yog siv rau hauv cov txheej txheem foaming, thiab feem ntau ntawm cov khoom yuav muaj ntxhiab tsw.Lub peev xwm ozone depletion ntawm HCFCs yog 1,000 npaug ntawm carbon dioxide.Yog li ntawd, txij li xyoo 2010, United Nations, United States, European Union, Tuam Tshoj, Kaus Lim Qab Teb, Nyiv, thiab lwm lub tebchaws muaj feem cuam tshuam (cov koom haum) thiab cheeb tsam tau tsim cai txwv lossis txwv tsis pub siv cov yas siv ib zaug suav nrog polystyrene ua npuas ncauj. , thiab Tib neeg yuam kom "txhim kho txoj hauv kev".
Polyurethane txhav ua npuas ncauj (PU Foam)
PU Ua Npuas Ncauj yog lub siab molecular polymer ua los ntawm isocyanate thiab polyether ua cov ntaub ntawv tseem ceeb, nyob rau hauv qhov kev txiav txim ntawm ntau yam additives xws li foaming agents, catalysts, nplaim retardants, thiab lwm yam, tov los ntawm cov khoom tshwj xeeb, thiab foamed on-site los ntawm high- siab txau.Nws muaj ob qho tib si thermal rwb thaiv tsev thiab dej tsis zoo, thiab muaj cov thermal conductivity qis tshaj ntawm tag nrho cov organic thermal rwb thaiv tsev cov ntaub ntawv tam sim no.
Txawm li cas los xij, lub hardness ntawm PU tsis txaus.Cov qauv ntawm cov khoom lag luam PU incubators feem ntau yog: cov khoom noj-qib PE cov ntaub ntawv plhaub, thiab cov txheej txheem nruab nrab yog polyurethane (PU) ua npuas ncauj.Cov qauv sib xyaw no kuj tsis yooj yim rau rov siv dua.
Qhov tseeb, PU feem ntau siv nyob rau hauv lub freezers thiab tub yees li rwb thaiv tsev fillers.Raws li kev txheeb cais, ntau dua 95% ntawm cov tub yees lossis cov khoom siv tub yees hauv ntiaj teb siv polyurethane rigid foam ua cov khoom siv rwb thaiv tsev.Nyob rau hauv lub neej yav tom ntej, nrog rau kev nthuav dav ntawm txoj kev lag luam khaub thuas, kev txhim kho cov khoom siv hluav taws xob polyurethane thermal rwb thaiv tsev yuav muaj ob qhov tseem ceeb, ib qho yog los tswj cov pa roj carbon emissions, thiab lwm yam yog los txhim kho cov nplaim hluav taws.Nyob rau hauv no hais txog, ntau polyurethane rwb thaiv tsev cov ntaub ntawv manufacturers thiab txias chain insulation engineering lwm tus neeg yog nquag tsim tshiab kev daws teeb meem:
Tsis tas li ntawd, cov ntaub ntawv ua npuas ncauj tshiab xws li polyisocyanurate ua npuas ncauj khoom PIR, phenolic ua npuas ncauj khoom (PF), foamed cement board thiab foamed iav board kuj tsim ib puag ncig tus phooj ywg thiab lub zog-txuag txias cia thiab txias saw logistics.siv rau ntawm qhov system.
Polypropylene ua npuas ncauj (EPP)
EPP yog cov khoom siv crystalline polymer uas muaj kev ua tau zoo heev, thiab nws tseem yog qhov kev loj hlob sai tshaj plaws ntawm ib puag ncig tus phooj ywg compressive tsis rwb thaiv tsev cov ntaub ntawv.Siv PP ua cov khoom siv tseem ceeb, cov hlaws foamed yog tsim los ntawm lub cev foaming tshuab.Cov khoom no tsis muaj tshuaj lom thiab tsis qab, thiab cua sov yuav tsis tsim cov tshuaj lom, thiab nws tuaj yeem tiv tauj ncaj qha nrog zaub mov.Zoo thermal rwb thaiv tsev, thermal conductivity yog hais txog 0.039W / m·k, nws cov neeg kho tshuab lub zog kuj tseem zoo dua EPS thiab PU, thiab yeej tsis muaj plua plav hauv kev sib txhuam los yog cuam tshuam;thiab nws muaj qhov kub thiab txias ua haujlwm ruaj khov, thiab tuaj yeem siv rau hauv ib puag ncig ntawm -30 ° C txog 110 ° C.siv hauv qab no.Tsis tas li ntawd, rau EPS thiab PU, nws qhov hnyav yog sib dua, uas tuaj yeem txo qhov hnyav ntawm cov khoom, yog li txo cov nqi tsheb thauj mus los.
Qhov tseeb, hauv kev thauj mus los txias, EPP ntim cov thawv feem ntau yog siv los ua cov thawv ntim khoom, uas yooj yim los ntxuav thiab ruaj khov, thiab tuaj yeem siv ntau zaus, txo cov nqi siv.Tom qab nws tsis siv lawm, nws yooj yim dua rau rov siv dua thiab rov siv dua, thiab nws yuav tsis ua rau muaj kuab paug dawb.Tam sim no, feem ntau ntawm cov khoom lag luam xa khoom tshiab, suav nrog Ele.me, Meituan, thiab Hema Xiansheng, pib xaiv siv EPP incubators.
Nyob rau hauv lub neej yav tom ntej, raws li lub teb chaws thiab cov pej xeem muab ib qho tseem ceeb heev rau kev tiv thaiv ib puag ncig, txoj kev ntsuab ntawm lub txias chain ntim yuav tsum tau ceev ceev.Muaj ob lub ntsiab lus tseem ceeb, ib qho yog kev rov ua dua ntawm kev ntim khoom.Los ntawm qhov kev pom no, yav tom ntej ntawm polypropylene foaming yuav nrawm dua.Cov khoom yuav tsum tau hloov ntau cov ntaub ntawv ua npuas ncauj ntawm polyurethane thiab polystyrene, thiab muaj lub neej yav tom ntej.
Biodegradable ua npuas ncauj khoom
Kev nthuav dav siv cov ntaub ntawv degradable nyob rau hauv txias saw logistics ntim kuj tseem yog ib qho tseem ceeb ntawm cov kev taw qhia rau greening ntawm txias saw logistics ntim.Tam sim no, muaj peb yam tseem ceeb ntawm biodegradable cov ntaub ntawv uas tau tsim: polylactic acid PLA series (xws li PLA, PGA, PLAGA, thiab lwm yam), polybutylene succinate PBS series (xws li PBS, PBAT, PBSA, PBST, PBIAT thiab lwm yam). , polyhydroxyalkanoate PHA series (xws li PHA, PHB, PHBV).Txawm li cas los xij, lub zog yaj ntawm cov ntaub ntawv no feem ntau tsis zoo thiab tsis tuaj yeem tsim los ntawm cov khoom siv niaj hnub ua npuas ncauj, thiab cov foaming ratio yuav tsum tsis txhob siab dhau, txwv tsis pub lub cev ntawm cov khoom foamed tsis zoo siv.
Txog qhov kawg no, ntau txoj hauv kev tshiab foaming kuj tau tshwm sim hauv kev lag luam.Piv txwv li, Synbra nyob rau hauv Netherlands tau tsim lub ntiaj teb thawj polylactic acid foaming khoom, BioFoam, siv patented hauv-pwm foaming tshuab, thiab tau ua tiav ntau lawm;ua hauv tsev Cov cuab yeej tsim khoom siv USEON tau ua tiav cov txheej txheem tsim khoom ntawm ntau txheej txheej PLA ua npuas ncauj pawg thawj coj saib.Kev ua haujlwm tau txais cov txheej txheem ua npuas ncauj, uas muaj kev ua haujlwm zoo thermal rwb thaiv tsev, thiab cov khoom saum npoo ntawm ob sab tuaj yeem txhim kho lub zog ntawm txhua yam.
fiber ua npuas ncauj
Fiber ua npuas ncauj khoom kuj yog ib qho ntsuab degradable ntim khoom nyob rau hauv txias saw tsheb thauj mus los logistics.Txawm li cas los xij, nyob rau hauv tsos, tus tsim tawm ua cov khoom siv fiber ntau tsis tuaj yeem piv nrog yas, thiab txoj kev ceev loj yog qhov siab, uas tseem yuav ua rau tus nqi thauj mus los.Nyob rau hauv lub neej yav tom ntej, nws yog tsim nyog los tsim franchisees nyob rau hauv txhua lub nroog nyob rau hauv daim ntawv ntawm franchises, siv straw cov kev pab cuam nyob rau hauv lub zos ua lag luam ntawm tus nqi qis tshaj.
Raws li cov ntaub ntawv tshaj tawm los ntawm Cold Chain Committee ntawm Tuam Tshoj Federation of Things thiab Lub Tsev Haujlwm Saib Xyuas Kev Lag Luam Yav Tom Ntej, tag nrho qhov kev thov rau cov saw hlau txias hauv kuv lub teb chaws xyoo 2019 tau txog 261 lab tons, ntawm qhov kev thov rau cov khoom noj txias chain logistics tau mus txog. 235 lab tons.Kev lag luam tseem tuav txoj kev loj hlob sai hauv ib nrab xyoo.Qhov no tau coj lub sijhawm ua lag luam ib zaug hauv ib lub neej rau kev lag luam foaming khoom.Nyob rau hauv lub neej yav tom ntej, foaming tuam txhab uas muag muaj feem xyuam rau txias saw logistics yuav tsum to taub lub general qauv ntawm ntsuab, lub zog-txuag thiab nyab xeeb kev lag luam nyob rau hauv thiaj li yuav txeeb lub lag luam lub sij hawm thiab nrhiav tau cov txheeb ze zoo nyob rau hauv lub puas-hloov kev lag luam.Lub tswv yim sib tw tas li ua rau lub lag luam nyob rau hauv txoj hauj lwm invincible.
Post lub sij hawm: Aug-22-2022