Izinto ezifana nezinga lokushisa lomoya, izinga lokushisa kanye nomfutho womoya kuzothinta izinga lokushibilika komswakama odakeni lukasimende kanye nemikhiqizo esekelwe ku-gypsum. Ngakho-ke, ezinkathini ezihlukene zonyaka, umphumela wokugcina amanzi wenani elifanayo le-HPMC uhlukile.
Ekwakhiweni okuthile, umphumela wokugcina amanzi we-slurry ungalungiswa ngokwandisa noma ukwehlisa inani le-HPMC elingeziwe. Ukugcinwa kwamanzi kwe-hydroxypropyl methyl cellulose ether ngaphansi kwezimo zokushisa okuphezulu kuyinkomba ebalulekile yokuhlukanisa ikhwalithi ye-hydroxypropyl methyl cellulose ether. Imikhiqizo emihle kakhulu yochungechunge lwe-HPMC ingaxazulula ngempumelelo inkinga yokugcinwa kwamanzi emazingeni okushisa aphezulu.
Ezikhathini zokushisa okuphezulu, ikakhulukazi ezindaweni ezishisayo nezomile kanye nokwakhiwa kongqimba oluncane ohlangothini olushisayo, i-HPMC yekhwalithi ephezulu iyadingeka ukuze kuthuthukiswe ukugcinwa kwamanzi odaka. Ikhwalithi ephezulu ye-HPMC inokufana okuhle kakhulu. Amaqembu ayo e-methoxy kanye ne-hydroxypropoxy asatshalaliswa ngokulinganayo eduze kweketango lamangqamuzana e-cellulose, elingathuthukisa ikhono lama-athomu oksijini ku-hydroxyl ne-ether bond ukuze ahlangane namanzi ukuze akhe izibopho ze-hydrogen, Ukuze amanzi amahhala abe amanzi abophekile, ngaleyo ndlela alawule ngempumelelo. ukuhwamuka kwamanzi okubangelwa izinga lokushisa eliphezulu, nokuzuza ukugcinwa kwamanzi aphezulu.
Ikhwalithi ephezulu ye-cellulose HPMC ingahlakazwa ngokufanayo nangempumelelo odakeni lukasimende kanye nemikhiqizo eyenziwe ngegypsum, futhi isonge zonke izinhlayiya eziqinile, futhi yakhe ifilimu yokumanzisa. Amanzi asesisekelweni akhululwa kancane kancane isikhathi eside. Impahla ejiyile ithola ukusabela kwe-hydration ukuze kuqinisekiswe amandla okubopha kanye namandla acindezelayo wento. Ngakho-ke, ekwakhiweni kwehlobo lokushisa eliphezulu, ukuze kuzuzwe umphumela wokugcinwa kwamanzi, imikhiqizo yekhwalithi ephezulu ye-HPMC kufanele yengezwe ngamanani anele ngokuya ngefomula, ngaphandle kwalokho, ukufakwa kwamanzi okwanele, amandla ancishisiwe, ukuqhekeka, ukugoba nokuwa okubangelwa. ngokumiswa ngokweqile kuzokwenzeka. Kuphinde kwandise ubunzima bokwakha kubasebenzi. Njengoba izinga lokushisa lincipha, inani le-HPMC elingeziwe lingancishiswa kancane kancane, futhi umphumela ofanayo wokugcina amanzi ungafinyelelwa.
Isikhathi sokuthumela: Apr-25-2020