Ho ea ka litekanyetso tse fapaneng tsa lihlopha, lisebelisoa tse batang tsa ketane li ka aroloa ka mefuta e fapaneng.Mohlala, ho tsoa ho mokhoa oa ts'ebetso, haholo-holo o kenyelletsa mekhoa e 'meli:
Ea pele ke ho sebelisa mokhoa oa "foam box + cold bag", eo hangata e bitsoang "package cold chain", e khetholloang ka ho sebelisa sephutheloana ka boeona ho etsa tikoloho e nyenyane e loketseng ho boloka nako e khutšoanyane ea lihlahisoa tse ncha.Molemo oa mokhoa ona ke hore lihlahisoa tse pakiloeng li ka ajoa ka mokhoa o tloaelehileng oa tsamaiso ea mocheso, 'me litšenyehelo tsohle tsa thepa li tlaase.
Mokhoa oa bobeli ke ho sebelisa mokhoa oa sebele oa lisebelisoa tse batang, ke hore, ho tloha polokelong e batang ho tloha qalong ho isa ho ho fana ka moreki oa ho qetela, lihokelo tsohle tsa thepa li sebakeng sa mocheso o tlase ho netefatsa ketane e tsoelang pele ea ketane e batang.Ka mokhoa ona, mocheso oa ketane eohle e batang e lokela ho laoloa, eo ka kakaretso e bitsoang "ketane e batang ea tikoloho".Leha ho le joalo, litlhoko tsa tsamaiso eohle ea lisebelisoa tse batang tsa ketane li phahame haholo, ho thata ho sebelisa mokhoa o tloaelehileng oa lisebelisoa ho sebetsa, 'me litšenyehelo tsa kakaretso tsa ts'ebetso li batla li phahame.
Empa ho sa tsotelehe hore na ke mefuta efe ea ketane e batang e kaholimo e sebelisitsoeng, lisebelisoa tsa foam tse ka bolokang mofuthu, ho thibela mocheso, ho ts'oara le ho ts'oara li ka nkuoa e le lisebelisoa tse loketseng.
Hajoale, tse sebelisoang ka ho fetesisa linthong tse batang tsa ketane le lipalangoang ke foam ea polyurethane, foam ea polypropylene le foam ea polystyrene.Li-trailer, lijana tse nang le sehatsetsing le polokelo e batang le tsona li fumaneha hohle.
Polystyrene foam (EPS)
EPS ke polima e bobebe.Ka lebaka la theko ea eona e tlase, hape ke thepa ea foam e sebelisoang haholo tšimong eohle ea ho paka, e etsang hoo e ka bang 60%.Resin ea polystyrene e entsoe ka ho kenyelletsa ntho e phophomang ka mekhoa ea ho atolosa pele, ho phekola, ho bōpa, ho omisa le ho itšeha.Sebopeho se koalehileng sa EPS se etsa qeto ea hore se na le mocheso o motle oa mocheso, 'me mocheso oa mocheso o tlaase haholo.Thermal conductivity of EPS boards of various specifications is between 0.024W/mK~0.041W/mK E na le ho boloka mocheso o motle le phello ea ho boloka serame ho thepa.
Leha ho le joalo, joalo ka thepa ea thermoplastic, EPS e tla qhibiliha ha e futhumala 'me e tiile ha e pholisitsoe,' me mocheso oa eona oa mocheso o haufi le 70 ° C, e leng se bolelang hore li-incubator tsa EPS tse entsoeng ka har'a liphutheloana tsa foam li hloka ho sebelisoa ka tlase ho 70 ° C.Haeba mocheso o phahame haholo Ho 70 ° C, matla a lebokose a tla fokotseha, 'me lintho tse chefo li tla hlahisoa ka lebaka la ho fetoha ha styrene.Ka hona, litšila tsa EPS li ke ke tsa senyeha ka tlhaho 'me li ke ke tsa chesoa.
Ntle le moo, boima ba li-incubator tsa EPS ha bo ntle haholo, ts'ebetso ea "buffering" le eona e bohareng, 'me ho bonolo ho senyeha nakong ea lipalangoang, ka hona, hangata e sebelisoa hanngoe, e sebelisetsoa ketane ea nako e khuts'oane, e batang ea nako e khuts'oane. lipalangoang, le indasteri ea lijo tse kang nama le likhoho.Literene le lisebelisoa tsa ho paka bakeng sa lijo tse potlakileng.Bophelo ba tšebeletso ea lihlahisoa tsena hangata bo khutšoanyane, hoo e ka bang 50% ea lihlahisoa tsa foam ea polystyrene li na le bophelo ba tšebeletso ea lilemo tse 2 feela, 'me 97% ea lihlahisoa tsa foam ea polystyrene e na le bophelo ba tšebeletso ea lilemo tse ka tlaase ho 10, e leng se bakang keketseho ea palo ea litšila tsa EPS ea foam selemo le selemo, empa foam ea EPS ha e bonolo ho senyeha le ho sebelisoa hape, kahoo hona joale ke eona sesosa se ka sehloohong sa tšilafalo e tšoeu: EPS e etsa karolo e fetang 60% ea litšila tse tšoeu tse silafetseng leoatleng!'Me e le thepa ea ho paka bakeng sa EPS, boholo ba lisebelisoa tsa HCFC tse foaming li sebelisoa ts'ebetsong ea ho phophoma,' me boholo ba lihlahisoa li tla ba le monko.Matla a ho senyeha ha ozone a HCFC a menahane ka makhetlo a 1,000 a carbon dioxide.Ka hona, ho tloha lilemong tsa bo-2010, Machaba a Kopaneng, United States, European Union, Chaena, Korea Boroa, Japane, le linaha tse ling tse amehang (mekhatlo) le libaka li entse molao oa ho thibela kapa ho thibela tšebeliso ea lipolasetiki tse sebelisoang hang feela ho kenyelletsa le foam ea polystyrene. , le Batho ba ile ba qobella "'mapa oa ho lokisa".
Polyurethane rigid foam (PU Foam)
PU Foam ke polymer e phahameng ea molek'hule e entsoeng ka isocyanate le polyether joalo ka lisebelisoa tse ka sehloohong tse tala, tlas'a ts'ebetso ea li-additives tse fapaneng tse kang li-foaming agents, li-catalysts, retardants tsa malakabe, joalo-joalo, tse kopantsoeng ke lisebelisoa tse khethehileng, 'me li entsoe ka foam setšeng ho fafatsa ka khatello.E na le ts'ebetso ea ho kenya mocheso le ho thibela metsi, 'me e na le conductivity e tlase ka ho fetisisa ea mocheso har'a lisebelisoa tsohle tsa organic tse kenyang mocheso hajoale.
Leha ho le joalo, ho thatafala ha PU ha hoa lekana.Sebopeho sa li-incubator tsa PU tse fumanehang khoebong hangata ke: khetla ea thepa ea PE ea boleng ba lijo, 'me karolo e bohareng ea ho tlatsa ke foam ea polyurethane (PU).Sebopeho sena se entsoeng ka motsoako ha se bonolo ho se sebelisa hape.
Ebile, PU hangata e sebelisoa lihatsetsing le lihatsetsing joalo ka li-insulation fillers.Ho ea ka lipalo-palo, ho feta 95% ea lihatsetsi kapa lisebelisoa tsa sehatsetsi lefatšeng li sebelisa foam e thata ea polyurethane e le thepa ea ho pata.Nakong e tlang, ka ho atolosoa ha indasteri ea ketane e batang, nts'etsopele ea lisebelisoa tsa ho kenya mocheso oa polyurethane e tla ba le lintho tse peli tse tlang pele, e 'ngoe ke ho laola mocheso oa carbon,' me e 'ngoe ke ho ntlafatsa thepa e thibelang malakabe.Tabeng ena, bahlahisi ba bangata ba thepa ea ho kenya polyurethane le barekisi ba boenjineri ba ketane e batang ba ntse ba nts'etsapele litharollo tse ncha:
Ntle le moo, lisebelisoa tse ncha tsa foam tse kang polyisocyanurate foam material PIR, phenolic foam material (PF), boto ea samente e foamed le boto ea likhalase tse foamed le tsona li haha mohaho oa polokelo o batang oa tikoloho le o bolokang matla le lisebelisoa tse batang tsa ketane.e sebelisoa tsamaisong.
Polypropylene foam (EPP)
EPP ke thepa ea polymer e khanyang haholo e nang le ts'ebetso e ntle haholo, hape ke mofuta o mocha o ntseng o hola ka potlako ho feta oa lisebelisoa tse thibelang tikoloho.Ho sebelisa PP e le thepa e tala ea mantlha, lifaha tse phophomang li entsoe ke theknoloji ea 'mele ea ho foam.Sehlahisoa ha se na chefo ebile ha se na tatso, 'me ho futhumatsa ho ke ke ha hlahisa lintho leha e le life tse chefo,' me ho ka kopana ka ho toba le lijo.Mocheso o motle oa mocheso, mocheso oa mocheso o ka bang 0.039W / m·k, matla a eona a mochine a boetse a molemo haholo ho feta EPS le PU, 'me ha e le hantle ha ho na lerōle le khohlano kapa tšusumetso;mme e na le botsitso bo botle ba mocheso le mohatsela, mme e ka sebediswa tikolohong ya -30°C ho isa ho 110°C.sebelisa ka tlase.Ho phaella moo, bakeng sa EPS le PU, boima ba eona bo bobebe, bo ka fokotsang boima ba ntho haholo, kahoo ba fokotsa litšenyehelo tsa lipalangoang.
Ha e le hantle, lipalangoang tse batang tsa ketane, mabokose a liphutheloana tsa EPP a sebelisoa haholo e le mabokose a thekiso, a bonolo ho hloekisa le ho tšoarella, 'me a ka sebelisoa khafetsa, a fokotsa litšenyehelo tsa tšebeliso.Ka mor'a hore e se ke ea hlola e sebelisoa, ho bonolo ho e sebelisa hape le ho e sebelisa hape, 'me e ke ke ea baka tšilafalo e tšoeu.Hajoale, liindasteri tse ngata tsa phepelo ea lijo tse ncha, ho kenyeletsoa Ele.me, Meituan, le Hema Xiansheng, li khetha ho sebelisa li-incubator tsa EPP.
Nakong e tlang, ha naha le sechaba li nka bohlokoa bo boholo ho ts'ireletso ea tikoloho, tsela e tala ea liphutheloana tse batang e tla potlakisoa le ho feta.Ho na le litsela tse peli tse ka sehloohong, e 'ngoe ea tsona ke ho tsosolosa liphutheloana.Ho latela pono ena, bokamoso ba polypropylene foaming bo tla potlakisa.Boitsebiso bo lebeletsoe hore bo nke sebaka sa lisebelisoa tse ngata tsa foam tsa polyurethane le polystyrene, 'me li na le bokamoso bo khanyang.
Lisebelisoa tsa foam tse senyehang
Ho atolosa tšebeliso ea thepa e senyehang ka har'a liphutheloana tse batang tsa ketane ea thepa e boetse ke tataiso e 'ngoe ea bohlokoa bakeng sa ho tala ha liphutheloana tse batang tsa ketane.Hajoale, ho na le mefuta e meraro ea mantlha ea thepa e ka senyehang ea tlhaho e ntlafalitsoeng: letoto la polylactic acid PLA (ho kenyeletsoa PLA, PGA, PLAGA, joalo-joalo), letoto la polybutylene succinate PBS (ho kenyeletsoa PBS, PBAT, PBSA, PBST, PBIAT jj.) , polyhydroxyalkanoate PHA series (ho kenyeletsoa PHA, PHB, PHBV).Leha ho le joalo, matla a ho qhibiliha a lisebelisoa tsena hangata ha a fokotsehe 'me a ke ke a hlahisoa ka thepa ea setso e tsoelang pele ea ho folisa letlapa,' me tekanyo ea ho phophoma ha ea lokela ho ba e phahameng haholo, ho seng joalo thepa ea 'mele ea lihlahisoa tse foamed e futsanehile haholo hore e ka sebelisoa.
Ho fihlela sena, mekhoa e mengata e mecha ea ho phophoma lekoba le eona e hlahile indastering.Ka mohlala, Synbra e Netherlands e hlahisitse thepa ea pele ea lefatše ea polylactic acid e foaming, BioFoam, e sebelisa theknoloji e nang le patented in-mold foaming, 'me e fihletse tlhahiso ea bongata;e etellang pele ka hare ho naha Moetsi oa lisebelisoa USEON o atlehile ho hlahisa theknoloji ea tlhahiso ea mefuta e mengata ea sebopeho sa PLA foam board.Phetoho e nka sebaka sa setsi sa foam, se nang le ts'ebetso e ntle ea ho kenya mocheso oa mocheso, 'me' mele o tiileng oa holim'a mahlakore ka bobeli o ka ntlafatsa matla a mochini haholo.
foam ea fiber
Fiber foam e boetse e le thepa ea ho paka e botala e senyehang ka har'a thepa ea lipalangoang tse batang.Leha ho le joalo, ka ponahalo, incubator e entsoeng ka thepa ea foam ea fiber e ke ke ea bapisoa le polasetiki, 'me bongata bo bongata bo phahame, bo tla eketsa litšenyehelo tsa lipalangoang.Nakong e tlang, ho loketse haholo ho nts'etsapele li-franchisees toropong e 'ngoe le e' ngoe ka mokhoa oa li-franchise, ho sebelisa mehloli ea mahlaka ea lehae ho sebeletsa 'maraka oa lehae ka litšenyehelo tse tlase.
Ho ea ka lintlha tse senotsoeng ke Cold Chain Committee ea China Federation of Things le Prospective Industry Research Institute, tlhokahalo eohle ea thepa e batang naheng ea heso ka 2019 e fihlile ho lithane tse limilione tse 261, tseo tlhokahalo ea lisebelisoa tsa lijo tse batang li fihlileng. Lithane tse limilione tse 235.Indasteri e ne e ntse e boloka mokhoa oa ho hōla ka lebelo le phahameng ka halofo ea selemo.Sena se tlisitse monyetla oa 'maraka oa hang-hang bophelong bohle ba indasteri ea thepa e phophomang.Nakong e tlang, likhoebo tse phophomang tse amanang le lisebelisoa tsa ketane e batang li hloka ho utloisisa mokhoa o akaretsang oa indasteri e tala, e bolokang matla le e sireletsehileng e le ho nka menyetla ea 'maraka le ho fumana melemo e itseng' marakeng o lulang o fetoha.Leano la kamehla la tlhōlisano le etsa hore khoebo e be boemong bo ke keng ba hlōloa.
Nako ea poso: Aug-22-2022