Ngo-1938, i-Nestle yamkela ukomiswa okuphambili kokutshiza ukwenza ikofu ekhawulezileyo, ivumela umgubo wekofu ekhawulezileyo ukuba inyibilike ngokukhawuleza emanzini ashushu. Ukongeza, umthamo omncinci kunye nobukhulu kwenza kube lula ukugcina. Ngoko iphuhliswe ngokukhawuleza kwimarike yobuninzi. Okwangoku iibrendi zekofu ezidumileyo zibandakanya iNestle, Maxwell, UCC, njl.
Inkqubo yokuvelisa ikofu ngokukhawuleza
Ikofu ekhawulezileyo sisiselo esiqinileyo sekofu esenziwe ngokukroziswa kwekofu kunye nokutyunyuzwa, ukutsalwa kwezinto ezinyibilikayo ngamanzi, kwaye zomiswe ngomoya oshushu okanye zomiswe ngumkhenkce. Kulula ukunyibilikiswa emanzini kwaye ubuyele kwikofu engamanzi enencasa yokuqala kunye nencasa. Inkqubo yokuvelisa ngolu hlobo lulandelayo: ukuhlolwa kweembotyi zekhofi, ukususwa kokungcola, ukutshisa, ukugaya, ukukhutshwa, ukugxininiswa, ukomisa, ukupakisha.
II. Amanqaku aphambili eNkqubo yokuVelisa ikofu ngoko nangoko
(I) Ukunyangwa kwangaphambili kweembotyi zeKofu ezikrwada
Okokuqala, izinto eziluhlaza kufuneka zikhethwe ngokucophelela. Iimbotyi zekofu ezintsha ziqaqambile, zingqukuva kwaye zineyunifomu ngokobukhulu, ngaphandle kokungunda, zivundisiwe, zimnyama, zityiwe ngumsundululu, ziqhawuke ngokugqithisileyo nezinye iimbotyi ezingaphantsi, kwanobumdaka obahlukeneyo obufana namaqokobhe embewu, iibhloko zomhlaba, iibhloko zomthi, amatye, kunye neentsimbi. Ukuze kuqinisekiswe umgangatho, ukwahlukana kunokwenziwa ngokusebenzisa izikrini ezingcangcazelayo, uxinzelelo lomoya okanye ukuhanjiswa kwevacuum.
(II) Ukuqhotsa
Ukuqhotsa yinkqubo eqinisekileyo yokwenziwa kwencasa kunye nomgangatho wekofu ekhawulezileyo. Iinkqubo zorhwebo zeembotyi zekofu zisebenzisa isiqingatha somoya oshushu oshushu othe ngqo we-roaster okanye i-hot air roaster enamagumbi okutshisa ngendlela yegubu elijikelezayo ngokubanzi. Ubushushu bokuqhotsa kunye nexesha lokuqhotsa zizinto eziphambili ezithatha isigqibo.
Ubude bexesha lokutshisa abuhlukanga kuphela ngenxa yeentlobo ezahlukeneyo kunye nohlobo lwekhofi, kodwa kuxhomekeke kwinqanaba lokutshisa elifunekayo kwimveliso yokugqibela. Ixesha elifutshane lokugcada libonisa ukuba iimbotyi zekofu zithambile zineasidi eyomeleleyo, ubukrakra obubuthathaka kunye nokutsalwa lula emva kokusila. Ngokuchasene noko, ixesha elide lokuqhotsa libonisa ukuba iimbotyi zekofu zikrwada kunye ne-asidi ebuthathaka, ubukrakra obunamandla kunye nokungasebenzi kakuhle ekutsalweni komgubo ocolekileyo kakhulu.
Ukutshisa okungonelanga kuya kubangela ivumba elibi, umbala ombi wemveliso egqityiweyo kunye nezinga eliphantsi lokutsalwa; ukuqhotsa ngokugqithisileyo kuya kubangela imvula eyongezelelekileyo yeoli, nto leyo eya kuthintela ukutsalwa nokuchaphazela umsebenzi wokutshiza wokumisa. Ngoko ke, iimeko ezilungileyo zokugcoba kufuneka zimiselwe ngumbala wemveliso, ivumba, isivuno, ukusebenza kakuhle kwezoqoqosho kunye neemeko zoyilo lwezixhobo zokuvelisa.
Xa iimbotyi zekofu zifikelela kwinqanaba elifunekayo lokutshisa, cima umlilo, uyeke ukufudumeza, kwaye upholise iimbotyi zekofu ngokukhawuleza. Kuba nokuba ukufudumeza kuyekiwe, ubushushu obungaphakathi kwiimbotyi zekofu buya kuqhubeka buqhotyiswa kangangexesha elithile, ngoko emva kokuba iimbotyi zekofu zigalelwe ngaphandle kwegubu lokuqhotsa igubu, kufuneka kuvulwe ifeni yokukhupha umoya ukuze ipholise ukunqanda ubushushu ekunyukeni. Kwimizi-mveliso, umlinganiselo othile wamanzi abandayo utshizwa kwigumbi lokutshisa ukuze uphole, emva koko iimbotyi zekofu ezigcadiweyo zikhutshwe kwigumbi lokutshisa ukuze zizipholise.
(III) Ugcino oluzinzileyo
Kungcono ukugcina iimbotyi zekofu ezigcadiweyo usuku olunye ukuvumela ikharbon diokside nezinye iigesi ukuba zibe ngumphunga ngakumbi kwaye zikhulule, ngelixa zifunxa ngokupheleleyo ukufuma okusemoyeni ukuze kuthambe iimbotyi, ezilungele ukutsalwa. Ubungakanani besayizi ye-particle yokugaya ihambelana nezixhobo zokukhupha ezisetyenzisiweyo. Amasuntswana amahle anceda ukutsalwa okuphezulu kodwa athintele ukuhluzwa okulandelayo ngelixa amasuntswana arhabaxa kunzima ukukhutshwa kodwa kulula ukuhluzwa. Ngokuqhelekileyo, umyinge we-diameter ye-particle yekhofi yomhlaba malunga ne-1.5 mm.
(IV) Ukutsalwa
Ukukhutshwa kweyona ndawo inzima kakhulu yenkqubo yokuvelisa ikofu ngokukhawuleza. Isixhobo esisetyenziselwa ukukhutshwa ngokubanzi sibizwa ngokuba yi-extractor, equkethe iitanki zokukhupha ezi-6 ukuya kwezi-8 ezidityaniswe omnye komnye ngemibhobho kwaye zinokuthi zenziwe ngokutshintshana zibe yiyunithi yokusebenza.
(V) Ukwahlulwa koLulwelo-Oluqilima
Ulwelo lwekofu olukhutshiweyo luya kuba nezinto ezininzi eziqinileyo ezisele. Oku kufuna ukwahlulwa okuqinileyo kolwelo lwekofu phambi kokuba luhanjiswe kwinkqubo elandelayo. I-butterfly separator inokufezekisa umphumo ofunekayo wokuhlukana ngokubanzi.
(VI) Ugxininiso
Ugxininiso luhlelwa ngokwe-vacuum concentration, i-centrifugal concentration kunye nomkhenkce jikelele. Ukuze kuphuculwe ukusebenza kakuhle kokumisa, ukunciphisa utyalo-mali lwezixhobo kunye nokusetyenziswa kwamandla, ukugxininiswa okuqinileyo kugxininiswe ukufikelela ngaphezu kwe-35%. Ukuxinana kwevacuum kwehlisa indawo yokubila kwamanzi ukuya kutsho malunga needigri ezingama-60 kuxinzelelo lwevacuum ngaphezulu kwe-0.08Mpa. Ukuze ulwelo lugxininiswe ngokukhawuleza. Umgca ikoffee slxolisa ikhontentrationimithainceda isiphelo-ukusetyenziswa ngaphandle kokuphindaphinda kunye nokukhathaza ukuzimisela kogxininiso ngokubeka iliso okuphezulu kokuchaneka ngexesha langempela. Ukugxininiswa kogxininiso ngokubanzi akudluli kwi-60% (i-refractometer). Kuba iqondo lobushushu lolwelo olugxininisiweyo oluphuma kwinqaba yokuphuphuma luphezulu kunobushushu begumbi, kufuneka lupholiswe phambi kokuba luthunyelwe kwitanki yokugcina ukunciphisa ilahleko.
(VII) Ukutshiza ukomisa
Ulwelo olugxininisiweyo luthuthwa ngokuthe ngqo ukuya phezulu kwinqaba yokutshiza yokutshiza ngempompo yoxinzelelo, itshizwe kwinkungu ngompu wokutshiza ngoxinzelelo, kwaye yomiswe ibe ngumgubo phantsi kobushushu kunye nokuhamba komoya malunga ne-250 ° C. Itekhnoloji yokomisa ngevacuum okanye umkhenkce ingasetyenziselwa ukomisa. Itekhnoloji yokumisa umkhenkce kukukhenkceza i-coffee concentrate kwiqondo lobushushu eliphantsi, kwaye amanzi akuyo afakwe emkhenkceni abe ngamasuntswana ekristale engumkhenkce, aze afudunyezwe kwaye afakwe ngaphantsi kweemeko zevacuum ephezulu ukufezekisa injongo yokomisa okuphantsi kobushushu. Emva kokuba ugxininiso lucutshungulwe, unyango olongezelelweyo oluyimfuneko lunokwenziwa kwi-concentrate, kwaye lunokuphuhliswa kwisiselo samanzi.
Cofa apha ukuze ufumane okungakumbiizisombululo zokujongwa koxinaniso lwe-inline. Okanye ungaqhagamshelanaLonnmeterngqo kunye neemfuno zakho ezithile.
Ixesha lokuposa: Feb-10-2025
