Embonini yephepha, isimo sefayibha singenye yezinto ezibalulekile ezinquma izakhiwo ze-pulp kanye nekhwalithi yokugcina yephepha. Isimo sefayibha sihlanganisa ubude obumaphakathi befayibha, isilinganiso sobukhulu bodonga lwe-fiber cell kuya kububanzi beseli (okubizwa ngokuthi isilinganiso sodonga kuya emgodleni), kanye nenani lama-heterocyte angewona ama-fibrous kanye nama-fibre bundles ku-pulp. Lezi zinto ziyasebenzisana, futhi zithinta ndawonye amandla okubopha kwe-pulp, ukusebenza kahle kokuphelelwa amanzi emzimbeni, ukusebenza kokukopisha, kanye namandla, ukuqina kanye nekhwalithi iyonke yephepha.
1) Ubude obumaphakathi befayibha
Ubude obumaphakathi bemicu bungenye yezinkomba ezibalulekile zekhwalithi ye-pulp. Imicu emide yakha amaketanga enethiwekhi amade ku-pulp, okusiza ukuthuthukisa amandla okubopha kanye nezakhiwo zokubopha zephepha. Lapho ubude obumaphakathi bemicu bukhula, inani lamaphuzu ahlanganisiwe phakathi kwemicu liyakhula, okuvumela iphepha ukuthi lisakaze kangcono ukucindezeleka lapho libhekene namandla angaphandle, ngaleyo ndlela kuthuthukiswe amandla nokuqina kwephepha. Ngakho-ke, ukusetshenziswa kwemicu emide emide, njenge-spruce coniferous pulp noma i-cotton kanye ne-linen pulp, kungakhiqiza amandla aphezulu, ukuqina okungcono kwephepha, la maphepha afaneleka kakhulu ukusetshenziswa esidingweni sezakhiwo zomzimba eziphakeme zesenzakalo, njengezinto zokupakisha, iphepha lokuphrinta njalo njalo.
2) Isilinganiso sobukhulu bodonga lweseli le-fibre kuya kobubanzi bomgodi weseli (isilinganiso sodonga kuya komgodi)
Isilinganiso sodonga nomgodi singenye into ebalulekile ethinta izakhiwo ze-pulp. Isilinganiso esiphansi sodonga nomgodi sisho ukuthi udonga lweseli le-fibre luncane kakhulu kanti umgodi weseli mkhulu, ukuze imicu enkambisweni yokugaya nokubhala iphepha kube lula ukuyimunca amanzi futhi ithambe, okusiza ekucwengisisweni kwemicu, ukuhlakazeka kanye nokuhlangana. Ngesikhathi esifanayo, imicu emincane egoqwe ngodonga inikeza ukuguquguquka okungcono kanye nokugoqeka lapho kwenziwa iphepha, okwenza iphepha lifaneleke kakhulu ezinqubweni zokucubungula nokwakha eziyinkimbinkimbi. Ngokuphambene nalokho, imicu enezilinganiso eziphezulu zodonga nomgodi ingaholela ephepheni eliqinile kakhulu, eliqhekeka kalula, elingakulungele ukucutshungulwa nokusetshenziswa okulandelayo.
3) Okuqukethwe kwama-heterocyte angewona ama-fibrous kanye nama-fibre bundles
Amaseli angewona ama-fibrous kanye nama-fibre bundles ku-pulp kuyizinto ezimbi ezithinta ikhwalithi yephepha. Lokhu kungcola ngeke kunciphise kuphela ubumsulwa kanye nokufana kwe-pulp, kodwa futhi nasenqubweni yokwenza iphepha ukuze kwakheke amafindo kanye namaphutha, okuthinta ukushelela kanye namandla ephepha. Ama-heterocyte angewona ama-fibrous angavela ezingxenyeni ezingewona ama-fibrous njengegxolo, i-resin kanye nezinsini ezintweni eziluhlaza, kuyilapho ama-fibre bundles kuyi-fiber aggregates eyakhiwe ngenxa yokwehluleka kwezinto eziluhlaza ukuhlukana ngokwanele ngesikhathi senqubo yokulungiselela. Ngakho-ke, lokhu kungcola kufanele kususwe ngangokunokwenzeka ngesikhathi senqubo yokugaya ukuze kuthuthukiswe ikhwalithi ye-pulp kanye nokukhiqizwa kwephepha.
Isikhathi sokuthunyelwe: Septhemba-28-2024
