Ngo-1938, iNestle yasebenzisa indlela yokufutha ephucukileyo yokwenza ikofu ngoko nangoko, ivumela umgubo wekofu ngoko nangoko ukuba unyibilike ngokukhawuleza emanzini ashushu. Ukongeza, ubungakanani obuncinci kunye nobukhulu kwenza kube lula ukuyigcina. Ngoko ke ikhule ngokukhawuleza kwimarike enkulu. Okwangoku, iimveliso zekofu ngoko nangoko ezidumileyo ziquka iNestle, iMaxwell, i-UCC, njl.
Inkqubo yokuvelisa ikofu kwangoko
Ikofu ekhawulezileyo sisiselo esiqinileyo sekofu esicutshungulwa ngokurosta iimbotyi zekofu nokutyumza, ukukhutshelwa kwezinto ezinyibilikayo ngamanzi, uze womise ngomoya oshushu okanye ukomisa ngokukhenkceza. Kulula ukunyibilikisa emanzini uze ubuyele kwikofu engamanzi enencasa nencasa yokuqala. Inkqubo yemveliso yile ilandelayo: ukuhluza iimbotyi zekofu, ukususa ukungcola, ukurosta, ukugaya, ukukhutshelwa, ukuxinwa, ukomisa, ukupakishwa.
II. Amanqaku aphambili eNkqubo yokuvelisa ikofu kwangoko
(I) Unyango lwangaphambi konyango lweembotyi zekofu ezingavuthwanga
Okokuqala, izinto ezisetyenzisiweyo kufuneka zikhethwe ngononophelo. Iimbotyi zekofu ezintsha zikhanya, zingqukuva kwaye zilingana ngobukhulu, ngaphandle kokubola, ukubila, umnyama, ukutya iimbotyi ezityiwe ziimpethu, ukuqhekeka kakhulu nezinye izinto ezingaphantsi, kunye nokungcola okuhlukahlukeneyo okufana namaqokobhe embewu, iibhloko zomhlaba, iibhloko zeenkuni, amatye, kunye neentsimbi. Ukuqinisekisa umgangatho, ukwahlula kungenziwa ngokusebenzisa izikrini ezingcangcazelayo, uxinzelelo lomoya okanye ukuhanjiswa kwevacuum.
(II) Ukurosta
Ukurosta yinkqubo ebalulekileyo yokwakheka kwencasa kunye nomgangatho wekofu ekhawulezileyo. Iinkqubo zorhwebo zeembotyi zekofu zisebenzisa i-half hot-air direct fire roaster okanye i-hot air roaster eneendawo zokurosta ngendlela ye-rotary drum ngokubanzi. Ubushushu bokurosta kunye nexesha lokurosta zezona zinto zibalulekileyo.
Ubude bexesha lokurosa buyahluka kungekuphela nje ngenxa yohlobo kunye nohlobo lwekofu, kodwa kuxhomekeke nakwinqanaba lokurosa elifunekayo kwimveliso yokugqibela. Ixesha elifutshane lokurosa libonisa ukuba iimbotyi zekofu zithambile kwaye zineasidi enamandla, ubukrakra obubuthathaka kunye nokutsalwa lula emva kokugaywa. Ngokwahlukileyo koko, ixesha elide lokurosa libonisa ukuba iimbotyi zekofu ziqhotsiweyo kwaye zineasidi ebuthathaka, ubukrakra obunamandla kunye nokusebenza okuphantsi ekutsalweni ukuze kubekho umgubo ocolekileyo.
Ukungagayi ngokwaneleyo kuya kubangela ivumba elibi, umbala ombi wemveliso egqityiweyo kunye nesantya esiphantsi sokukhupha; ukugayiwa kakhulu kuya kubangela ukufuma kweoyile eninzi, okuya kuthintela ukukhupha kwaye kuchaphazele ukusebenza kokutshiza. Ke ngoko, iimeko ezilungileyo zokubhaka kufuneka zimiselwe ngumbala wemveliso, ivumba, isivuno, ukusebenza kakuhle kwezoqoqosho kunye neemeko zoyilo lwezixhobo zemveliso.
Xa iimbotyi zekofu zifikelele kwinqanaba elifunekayo lokurosa, cima umlilo, yeka ukufudumeza, kwaye uzipholise ngoko nangoko iimbotyi zekofu. Kuba nokuba ukufudumeza kuyekile, ubushushu obungaphakathi kweembotyi zekofu buya kuqhubeka burosa kangangexesha elithile, ngoko ke emva kokuba iimbotyi zekofu zithululwe kwigumbi lokurosa idrama, ifeni yokukhupha umoya kufuneka ivulwe ukuze ipholise ukuze ubushushu bungabi phezulu. Kwishishini, inani elithile lamanzi abandayo litshizwa kwigumbi lokurosa ukuze liphole, kwaye emva koko iimbotyi zekofu ezirosiweyo zikhutshwa kwigumbi lokurosa ukuze ziphole.
(III) Ugcino Olungaguqukiyo
Kungcono ukugcina iimbotyi zekofu ezirostiweyo usuku olunye ukuze i-carbon dioxide kunye nezinye iigesi ziphume kwaye ziphume, ngelixa zifunxa ngokupheleleyo umswakama emoyeni ukuze zithambise iimbotyi, nto leyo elungele ukukhutshelwa. Ubungakanani bento yokusila bunxulumene nezixhobo zokukhupha ezisetyenzisiweyo. Iimbotyi ezincinci zilungele ukukhutshelwa kakuhle kodwa zithintela ukuhluzwa okulandelayo ngelixa iimbotyi ezirhabaxa zinzima ukukhutshelwa kodwa kulula ukuhluzwa. Ngokubanzi, ububanzi obuphakathi beembotyi zekofu ezigayiweyo bumalunga ne-1.5 mm.
(IV) Ukukhupha
Ukukhutshelwa kwekofu yeyona nto inzima kakhulu kwinkqubo yokuvelisa ikofu ngoko nangoko. Izixhobo ezisetyenziswa ngokubanzi ekukhutshelweni kwekofu zibizwa ngokuba yi-extractor, equlathe iitanki zokukhutshelwa ezi-6 ukuya kwezi-8 ezidityaniswe ngemibhobho kwaye zinokwenziwa ngokutshintshiselana zibe yiyunithi yokusebenza.
(V) Ulwahlulo oluQinileyo noLwelo
Ulwelo lwekofu olukhutshiweyo luya kuba nezinto ezininzi eziqinileyo ezisele. Oku kufuna ukwahlulwa kolwelo lwekofu oluqinileyo nolungenamanzi ngaphambi kokuba luthuthwe luye kwinkqubo elandelayo. Umhluzi webhabhathane unokufikelela kwisiphumo sokwahlulwa esifunekayo ngokubanzi.
(VI) Ukugxila
Uxinaniso luhlulwe ngokwe-vacuum concentration, i-centrifugal concentration kunye ne-frozen concentration ngokubanzi. Ukuze kuphuculwe ukusebenza kakuhle kokomisa, kuncitshiswe utyalo-mali lwezixhobo kunye nokusetyenziswa kwamandla, uxinaniso oluqinileyo luyancitshiswa lufikelele ngaphezu kwama-35%. Uxinaniso lwe-vacuum lwehlisa iqondo lokubila kwamanzi ukuya kuma-60 degrees kuxinzelelo lwe-vacuum ngaphezulu kwe-0.08Mpa. Ukuze ulwelo luxinaniswe ngokukhawuleza. I-inline ikofufee slurry ingcingai-ntrationimithaInceda ekusetyenzisweni kwayo ngokupheleleyo ngaphandle kokumisela uxinzelelo oluphindaphindwayo nolukhathazayo ngokujonga kwayo ngokuchanekileyo ngexesha langempela. Uxinzelelo loxinzelelo ngokubanzi aludluli kwi-60% (i-refractometer). Ekubeni ubushushu bolwelo oluxinzelelweyo oluphuma kwinqaba yokuphuma kwamanzi luphezulu kunobushushu begumbi, kufuneka lupholiswe ngaphambi kokuba luthunyelwe kwitanki yokugcina ukuze kuncitshiswe ilahleko.
(VII) Ukomisa ngeSpray
Ulwelo oluxutyiweyo luthuthwa ngqo phezulu kwinqaba yokomisa nge-pressure pump, lutshizwe nge-pressure spray gun, luze lomiswe lube ngumgubo phantsi kobushushu nomoya ohambayo malunga nama-250°C. Iteknoloji yokomisa nge-vacuum okanye yokomisa nge-freeze nayo ingasetyenziselwa ukomisa. Iteknoloji yokomisa nge-freeze kukwenza i-coffee concentrate ibe yi-freeze kwi-low temperature, kwaye amanzi akuyo aqandiswe abe ngamasuntswana e-ice crystal amancinci, aze emva koko afudunyezwe aze afakwe phantsi kwe-vacuum ephezulu ukuze kufezekiswe injongo yokomisa kwi-low temperature. Emva kokuba i-concentrate icutshungulwe, unyango olongezelelweyo olufunekayo lunokwenziwa kwi-concentrate, kwaye inokuphuhliswa ibe sisiselo esilulwelo.
Cofa apha ukuze ufumane okungakumbiizisombululo zokubeka esweni ugxininiso olungaphakathiOkanye ungaqhagamshelanaILonnmeterngqo neemfuno zakho ezithile.
Ixesha leposi: Februwari-10-2025
