I-Scraped Surface Heat Exchanger kwi-Scraped Spread Processing
Isixhobo sokutshintsha ubushushu esikrazulayo sisixhobo esiphambili sokulungisa ubushushu ngokuchanekileyo, ukupholisa, ukwenza ikristale kunye nokupholisa okuqhubekayo kwimveliso yesosi yetshokholethi. Sidlala indima ebalulekileyo kwincasa, inkangeleko, uzinzo kunye nobomi beshelufu yemveliso yokugqibela.
Ngezantsi, siza kuchaza imisebenzi yayo kwiinkalo ezininzi eziphambili:
- 1.Umsebenzi oPhambili: Ukufudumala ngokuchanekileyo kwebhotolo yekoko
Le yeyona ndima ibalulekileyo nengenakutshintshwa yesixhobo sokutshintsha ubushushu esikrazulayo kwimveliso yetshokholethi.
Ibhotolo yekoko kwisosi yetshokholethi yi-polymorphic fat, oko kuthetha ukuba inokwenza iikristale zeentlobo ezahlukeneyo (ukusuka kwi-I ukuya kwi-VI). Phakathi kwezi, ziikristale zohlobo lwe-V kuphela (iikristale ze-β-V) ezifanelekileyo. Olu lwakhiwo lwekristale luzinzile kwaye lwenza itshokholethi ikwazi:
Yiba nenkangeleko eqaqambileyo (engadinwanga).
Yenza isandi esicacileyo nesicacileyo.
Inyibilika ngokukhawuleza emlonyeni, nto leyo eyenza ukuba ibe mdaka.
Ihlala ixesha elide kwaye ayithambekeli kakhulu ekuqandeni.
Isixhobo sokutshintsha ubushushu esitshiza sifikelela njani kuhlengahlengiso lobushushu:
Inkqubo yokulungisa ubushushu ngokusisiseko yinkqubo yokulawula ngokuchanekileyo yokufudumeza, ukupholisa, kunye nokuphinda ufudumale isosi yetshokolethi, ngenjongo yokukhuthaza ukwakheka kwenani elikhulu leekristale ezizinzileyo ezimile okwe-V.
Ukunyibilika ngokupheleleyo: Itshokolethi itshiswa ukuya kuma-45-50°C ukuze inyibilikise ngokupheleleyo zonke iikristale zayo ezinamafutha.
Ukupholisa kunye nokwakheka kwekristale (inyathelo eliphambili kwi-scraper heat exchanger): Itshokolethi enyibilikisiweyo ifakwa kwi-scraper heat exchanger. I-heat exchanger ipholiswa ngokukhawuleza yi-cooling medium (njengamanzi abandayo okanye i-refrigerant) ekwijakethi.
Ulawulo lobushushu oluchanekileyo: Izixhobo zinokupholisa itshokolethi ngokuchanekileyo ukuya kubushushu obukhuthaza ukwakheka kweekristale ezimile okwe-V (ngesiqhelo malunga nama-27-28°C). Kobu bushushu, zombini iikristale ezingazinzanga nezizinzileyo ziqala ukwakheka.
Ukukrwela Okuqhubekayo: Iskrayi ejikelezayo ekhawulezayo ihlala ikrwela itshokolethi epholileyo eludongeni lwesilinda ize iyixube netshokolethi eshushu embindini. Oku kuqinisekisa:
Utshintshiselwano lobushushu olufanayo: Kuphephe ukupholisa kakhulu okanye ukutshisa kakhulu, apho ubushushu bufana kakhulu.
Isiphumo sokucheba: Amandla okucheba oomatshini anceda "ekutheneni" iikristale ezingazinzanga kwaye abonelela ngeenuclei zokwakheka kweekristale ezizinzileyo (ezimile okwe-V).
Ukufudumeza kwakhona (ukhetho, ngamanye amaxesha ngamanyathelo alandelayo): Itshokholethi ephuma kwi-scraper heat exchanger ifudunyezwa kancinci ukuya kubushushu obusebenzayo obuyi-29-31°C ukuze inyibilikise iikristale ezingazinzanga, kushiyeke kuphela iikristale ezizinzileyo ezimile okwe-V njenge "mbewu".
Ngaphandle kwezinto zokutshintsha ubushushu ezikrazulwayo, iindlela zemveli zokulawula ubushushu zithatha ixesha elide kakhulu, kunzima ukuzilawula kwaye azifanelekanga kwimveliso enkulu eqhubekayo.
- 2.Ukupholisa okusebenzayo nokulinganayo
Nokuba akukho nkqubo yokulungisa ubushushu eyinkimbinkimbi (njengeesosi ezithile zetshokholethi ezingadingi kulungiswa kobushushu), isixhobo sokutshintsha ubushushu esikrazulayo sisixhobo esisebenzayo sokupholisa.
Isosi yetshokholethi ine-viscosity ephezulu kunye nobushushu obuphantsi: Xa isosi yetshokholethi iphola, iba nkulu kakhulu kwaye ayisebenzi kakuhle ekufudumaleni. Ukuba kusetyenziswa itanki yokupholisa eqhelekileyo, inxalenye esembindini iphola kancinci kakhulu, ngelixa inxalenye esecaleni kodonga lwetanki iphola kakhulu kwaye yenza amaqhuma.
Umsebenzi wesikrazuli: Isikrazuli sihlala sikrwela udonga lwesilinda, siphula umaleko wokumelana nobushushu kwaye sinyanzela zonke izinto ukuba ziqhagamshelane ngokulinganayo nodonga olubandayo, ngaloo ndlela zifezekisa ukupholisa okukhawulezayo nokulinganayo. Oku kubalulekile ekuphuculeni ukusebenza kakuhle kwemveliso nokuqinisekisa umgangatho wemveliso ohambelanayo.
- 3.Isitshixo seMveliso eqhubekayo
I-scraper heat exchanger yenzelwe ukusebenza rhoqo. Itshokholethi engamanzi ifakwa kwelinye icala, iqiniswe ngokuchanekileyo ize ipholiswe, ize iphume rhoqo kwelinye icala, ingene ngqo kwinkqubo elandelayo (efana nokuzaliswa kwesikhunta, ukugquma okanye ukupakishwa).
Ukusebenza kakuhle: Xa kuthelekiswa nesilinda yendabuko elawula ubushushu obuqhelekileyo, imveliso eqhubekayo inyusa kakhulu amandla okukhupha.
Uzinzo: Nje ukuba iiparameter zimiselwe, imeko yokuphuma kwetshokholethi (ubushushu, i-viscosity, kunye ne-crystallization) izinzile kakhulu, iqinisekisa izinga eliphezulu lokuvumelana phakathi kweebhetshi zeemveliso.
- 4.Isebenza kwiintlobo ngeentlobo zeemveliso
Ukongeza kwitshokholethi eqhelekileyo, isixhobo sokufudumeza esikrazulayo sikwalungele kakhulu ukucubungula iimveliso ezinenxalenye enkulu yezinto ezincinci, ezifana ne-nut chocolate spreads, okanye izinto ezidityanisiweyo ezinobuthi kunye nokuzaliswa kweelekese, njengoko sithintela ngokufanelekileyo ukubola kwee-particles kwaye siqinisekisa ukutshintshiselana kobushushu okufanayo.
Isishwankathelo: Iingenelo Eziphambili Zee-Scraped Heat Exchangers
Iingenelo Iimpawu eziphathekayo
Umgangatho weMveliso oPhezulu Iimveliso zikhazimla kakuhle, zithambile, zizinzile, kwaye azinawo amathuba okuqandisa iqhwa.
Iiparameter zeNkqubo yoMveliso eziLawulwayo ezifana nobushushu, izinga lokupholisa, kunye ne-viscosity zinokulawulwa ngokuchanekileyo, okuvumela ukuba izinto zizenzekele.
Ukusebenza kakuhle kweMveliso Imveliso eqhubekayo, ukupholisa/ukulungisa ubushushu ngokukhawuleza, ifanelekile kwimveliso emikhulu yemizi-mveliso.
Ukuhambelana Okugqwesileyo Kwemveliso Ibhetshi nganye yeemveliso inokuhlangabezana nemigangatho efanayo yomgangatho, isuse iimpazamo ekusebenzeni ngesandla.
Iiparameters ze-Flexible Application (ubushushu, isantya) zinokulungiswa ukuze zilungele iifomyula zetshokholethi ezahlukeneyo okanye iimveliso ezifanayo ezine-high-viscosity.
Isiphelo:
Kwishishini le-chocolate sauce (kunye neemveliso zetshokholethi) zanamhlanje, i-scraped surface heat exchanger iguqukele ekubeni "zizixhobo ezikhethwayo" ukuya kwisixhobo esisemgangathweni esiphambili sokufezekisa imveliso esemgangathweni ophezulu nefanelekileyo. Isombulula ngokugqibeleleyo imingeni yokulungiswa kobushushu kunye nokuphola ebaluleke kakhulu ekucutshungulweni kwetshokholethi, isebenza njengelitye lesiseko lobuchwepheshe lokuqinisekisa ukukhazimla okunomtsalane kunye nokuthungwa okumnandi kwetshokholethi.
Ixesha leposi: Sep-24-2025