
Ekusebenzeni kokuphuka kwe-gypsum, ukwelashwa kwe-heat akusizuzisi kakhulu. Ukuphuka kwe-gypsum kubandakanya ukunciphisa usayizi wayo ube yizicucu ezincane ukuze ilungiselelwe ukusetyenziswa okuphakanyisiwe, njengokwakhiwa kweplasta noma ukukhiqizwa kwe-cement. Le nqubo ikakhulukazi ifaka phakathi ukuphuka komshini, uk grind, kanye nokuhlola, okuyizindlela zomzimba.
Ngakho-ke, i-gypsum ingase ibhekane ne-calcination (inqubo yokwelapha ngoshisayo) ezingeni elizayo, kuye ngokuthi imikhiqizo ethile ikhiqizwa. I-Calcination ihilela ukufudumeza i-gypsum (i-calcium sulfate dihydrate) ukuze kukhishwe ingxenye yokwamanzi kwayo, kuyiguqule ibe yi-calcium sulfate hemihydrate (evame ukubizwa ngokuthi i-plaster of Paris). Le ngxenye ibalulekile ezinhlelweni lapho i-gypsum isetshenziswa njenge-binder noma emikhiqizweni ye-plaster.
Ngokufingqa, nakuba ukwelashwa kokushisa kungadingeki ezingeni lokuqala lokuphungula, kubalulekile emjikijweni wokuphatha impahla lapho i-gypsum kumele iguqulwe ibe ngezindlela ezithile ezifana ne-plaster of Paris.
I-Shanghai Zenith Mineral Co., Ltd. iyinkampani ehamba phambili yokukhiqiza imishini yokuphuca nokugaya eChina. Ngaphezu kweminyaka engama-30 yokuhlangenwe nakho embonini yemishini yokumba, i-Zenith yakhile idumela eliqinile lokuhlinzeka ngama-crusher, ama-mill, imishini yokwenza uthuli, kanye nemishini yokucubungula imithombo yezinsiza yekhwalithi ephezulu kumakhasimende emhlabeni jikelele.
Ibhange elisemqoka eShanghai, eShayina, i-Zenith ihlanganisa ucwaningo, ukukhiqiza, ukuthengisa, kanye nezinsizakalo, inikeza izixazululo ezigcwele kwezokuhlanganisa, ukuthengwa kwemikhiqizo, kanye nezimboni zokushisela imayini. Imishini yayo isetshenziswa kakhulu emkhakheni wezokwakha, ezokwakha, ubunjiniyela bokhemikhali, kanye nokuvikela imvelo.
Umgomo ukuyekethisa ekwakheni izinto ezintsha nokwaneliseka kwamakhasimende, iShanghai Zenith iqhubeka nokuthuthuka kwezokukhiqiza okuhlakaniphile nokukhiqiza okuluhlaza, ikunikeza imishini ethembekile kanye nezinsizakalo eziphelele zokuthengisa emva kokuthengisa ukusiza amaklayenti afinyelele ezinhlelweni ezisebenzayo nezizinzile.
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