Ivalvusisixhobo esiqhelekileyo esiya kusetyenziswa kumashishini amaninzi kwaye sidlala indima ebalulekileyo kubomi bemveliso, kukho iindawo ezithile ezibalulekileyo zokusetyenziswa kweevalvu.
1. Iivalvu zezixhobo ezisekelwe kwioyile
Izixhobo zokucoca ioyile. Uninzi lweevalvu ezisetyenziswa ekucoceni ioyile ziivalvu zemibhobho, kuquka iivalvu zesango, iivalvu zeglobe, iivalvu zokujonga kunye neevalvu zokunciphisa ubungakanani, iivalvu zebhola. Iivalvu zesango zimalunga nama-80%.
Izixhobo ezisetyenziswa kwifayibha yeekhemikhali. Iimveliso eziphambili zefayibha yeekhemikhali yifayibha yotywala yepolyester, i-acrylic kunye ne-polyvinyl. Zihlala zisebenzisa iivalvu zebhola kunye neevalvu ezinejakethi.
Izixhobo ezisetyenziswa yi-acrylonitrile. Zidla ngokusebenzisa iivalvu zesango, iivalvu zeglobe, iivalvu zebhola kunye neevalvu zeplagi. Iivalvu zesango zenza malunga ne-75% yeevalvu zizonke.
Izixhobo ezisetyenzisiweyo ze-ammonia eyenziweyo. Zihlala zisebenzisa iivalvu zesango, iivalvu zeglobe, iivalvu zokujonga, iivalvu zebhola, iivalvu zediaphragm, iivalvu zeenaliti kunye neevalvu zokunceda ngokwemilinganiselo.
2. Iivalvu kwiindawo zezikhululo zamandla ombane ngamanzi
Ukwakhiwa kwesikhululo samandla ombane saseTshayina kuphuhliswa ngokubhekiselele kwicala elikhulu, kudla ngokusetyenziswa iivalvu zokunciphisa uxinzelelo olulinganayo, izilawuli zokunciphisa uxinzelelo, iivalvu zeglobe ezinobubanzi obukhulu kunye noxinzelelo oluphezulu.
3. Iivalvu kwindawo yesinyithi
Inkqubo ye-aluminium oxide kwindawo yesinyithi ifuna iivalvu zeglobe, ezilawula iivalvu zokukhupha amanzi; iivalvu zebhola zokutywina zesinyithi, iivalvu zebhabhathane ziya kufuneka kwindawo yokwenza intsimbi.
4. Iivalvu kwindawo enxulumene nolwandle
Kuza kufuneka iivalvu ezingakumbi kwiindawo ezinxulumene nolwandle kunye nophuhliso lweshishini leoyile eliselunxwemeni, njengeevalvu zebhola, iivalvu zokujonga kunye neevalvu zeendlela ezininzi.
Ixesha lokuthumela: Februwari-23-2022