Kwintsimi yemveliso yoshishino, ukusebenza ngokuzinzile kwezixhobo kungundoqo ekuqinisekiseni amandla okuvelisa kunye nokusebenza kakuhle. Nangona kunjalo, ingxaki yokuphelelwa lixesha kwezixhobo ezibangelwa kukurusa kweziseko zentsimbi yentsimbi kudala ithwaxa ishishini lemveliso. Ukusuka kwizixhobo zokulinganisa ezichanekileyo ukuya kwisixhobo esinzima somatshini, xa sele kugalelwe irusi iziseko zentsimbi, aziyi kukhokelela kuphela kumlinganiselo ongachanekanga kunye nokunxitywa kwamalungu oomatshini, kodwa kunokubangela ukusilela kwesixhobo kunye nokuphazamiseka kwemveliso. Isiseko segranite, esineempawu zendalo zokuchasa ukubola, sibonelela amashishini isisombululo kube kanye.
Ukugqwala kweziseko zentsimbi: "umbulali ongabonakaliyo" kwimveliso yoshishino
Iziseko zentsimbi ezazikhe zasetyenziswa ngokubanzi kwizixhobo ezahlukeneyo zemizi-mveliso ngenxa yexabiso eliphantsi kunye nokusebenza ngokulula. Nangona kunjalo, i-iron-cast ialloy yi-iron-carbon alloy. Ubume bayo bangaphakathi buqulethe inani elikhulu lee-microscopic pores kunye nokungcola, ezithandwa kakhulu kwi-oxidation reactions kunye nomswakama kunye ne-oksijini emoyeni, eyenza i-rust. Kwiindawo zokusebenzela ezifumileyo, iindawo ezingaselunxwemeni ezinetyuwa eninzi yesitshizi, okanye xa zisesichengeni sezinto zekhemikhali ezifana nezicoci zokupholisa kunye neasidi okanye ialkali, izinga lokurusa kwiziseko zentsimbi liya kwanda kakhulu. Ngokwezibalo, kwindawo yoshishino eqhelekileyo, iziseko zentsimbi ziya kubonisa umhlwa ocacileyo rhoqo emva kweminyaka emi-2 ukuya kwemi-3. Nangona kunjalo, kwiindawo eziphakamileyo zokufuma okanye ezonakalisayo, ubomi bayo benkonzo bunokufinyezwa ukuya ngaphantsi konyaka omnye.
Emva kokugqwala, umphezulu wesiseko sentsimbi uya kucimba ngokuthe ngcembe kwaye ungalingani, okukhokelela ekunciphiseni ukuchaneka kofakelo lwezixhobo kwaye kubangele iingxaki ezinje ngokungcangcazela okunzulu kunye nezixhobo ezikhululekileyo. Kwizixhobo zokulinganisa ngokuchanekileyo, ukuguqulwa okuncinci okubangelwa ngumhlwa kwisiseko kunokukhokelela kwiimpazamo zokulinganisa ukwandisa ukuya ngaphezu kwe-± 5μm, ukwenza ukuhlolwa kwemveliso kungabi nantsingiselo. Kwizixhobo zomatshini onzima, umonakalo wesakhiwo obangelwa ngumhlwa unokukhokelela ekuvalweni kwezixhobo ngequbuliso, okukhokelela ekukhubazekeni komgca wemveliso. Umzi-mveliso othile wokwenziwa kwamalungu e-auto wake wanengxaki yokungasebenzi kakuhle kwesixhobo sawo sokulinganisa esichanekileyo ngenxa yokurusa kwesiseko sentsimbi. Ilahleko ethe ngqo yezoqoqosho ebangelwe kukungasebenzi kwezixhobo kwisithuba sonyaka idlule kwisigidi seeyuan.
Isiseko seGranite: I-anti-corrosion yeNdalo "Ikhaka elikhuselayo"
I-Granite lilitye lendalo elenziwe ngenkqubo ye-geological kumakhulu ezigidi zeminyaka. Iikristale zayo zangaphakathi zeeminerali zibonakaliswe ngokusondeleyo, kwaye isakhiwo sayo sixinene kwaye siyafana, sisinika inzuzo engokwemvelo ekuxhathiseni ukubola. Amacandelo aphambili e-granite (i-quartz, i-feldspar, i-mica, njl.) ineempawu zeekhemikhali ezizinzile kakhulu kwaye azihambisani nezinto eziqhelekileyo ze-acidic okanye i-alkaline. Nokuba zinxibelelene ixesha elide nolwelo oludlekayo olufana nesipholisi kunye neearhente zokucoca, akukho mhlwa uya kwenzeka. Ukongezelela, umphezulu we-granite uphantse ungabikho pores, kwaye amanzi akakwazi ukungena ngaphakathi ngaphakathi, ukuphelisa ukuba nokwenzeka kwe-oxidation kunye nokugqwala kwingcambu.
Idatha yovavanyo ibonisa ukuba xa i-granite kunye nentsimbi etyhidiweyo zibekwe ngaxeshanye kwindawo enomhlwa kakhulu equlethe isisombululo se-sodium chloride ye-10%, intsimbi etyhidiweyo ibonisa amabala e-rust acacileyo kwiiyure ze-48, ngelixa emva kweeyure ze-1000 zokuvavanya, umphezulu we-granite uhlala ugudile njengento entsha ngaphandle kweempawu zokubola. Lo msebenzi ubalaseleyo wokuchasana nomhlwa wenza ukuba iziseko zegranite zibonise iingenelo ezingenakubuyiselwa kumashishini anokonakala okuqinileyo okufana nobunjineli bekhemikhali, ukusetyenzwa kokutya, kunye nobunjineli baseLwandle.
UPhuculo lweendleko zomjikelo woBomi oPheleleyo: Ukusuka "kuTyalo-mali lwexesha elifutshane" ukuya "kuBuyiselo bexesha elide"
Nangona ixabiso lokuqala lokuthengwa kweziseko zegranite liphezulu kunelo lentsimbi etyhidiweyo, ngokwembono yawo wonke umjikelo wobomi besixhobo, izibonelelo ezibanzi ezizisayo zigqithise kakhulu umahluko weendleko. Isiseko sentsimbi etyhidiweyo sifuna ukugcinwa rhoqo ngenxa yomhlwa (njengokususwa kwerusi kunye nokupeyintwa ngokutsha), kwaye iindleko zonyaka zokugcinwa zithatha malunga ne-10% ukuya kwi-15% yexabiso lokuthenga. Xa umhlwa unzima, isiseko sonke kufuneka sitshintshwe, esonyusa ngokuthe ngqo ixesha lokunciphisa izixhobo kunye neendleko zokutshintsha. Isiseko se-granite sidinga phantse akukho kugcinwa, sinobomi benkonzo obungaphezu kweminyaka engama-20, kwaye sigcina ukuchaneka okuzinzile kunye nokusebenza ngexesha lonke lokusetyenziswa, ukunciphisa ngokufanelekileyo ukusilela kwezixhobo kunye nexesha lokuphumla.
Emva kokuba ishishini elithile lokuvelisa i-elektroniki lithathe indawo yesiseko sentsimbi yokuvelisa ngesiseko segranite, izinga lokunciphisa ixesha lezixhobo lehla ngama-85%, umjikelo wokulinganisa wesixhobo sokulinganisa wandiswa ukusuka kanye ngenyanga ukuya kanye ngonyaka, kwaye iindleko ezibanzi zonyaka zancitshiswa ngama-40%. Ukongeza, uzinzo oluphezulu lwesiseko segranite nalo lonyuse izinga lokufaneleka kwemveliso, ngokungathanga ngqo lidale iinzuzo eziphezulu zoqoqosho.
Kumaza okuphuculwa kwezixhobo zemizi-mveliso, utshintsho ukusuka kwiziseko zentsimbi ukuya kwiziseko zegranite ayikokuphindwa nje kwemathiriyeli kodwa kwakhona kukutsiba kweengqikelelo zemveliso ukusuka “kokwenza into” ukuya “kukubalasela”. Ngokukhetha isiseko segranite, amashishini akakwazi ukucombulula ngokupheleleyo kuphela ingxaki yokugqwala kunye nokugqwala, kodwa aphinde afezekise ukuphucuka kabini ekusebenzeni kakuhle kwemveliso kunye neenzuzo zezoqoqosho ngokusebenza kwexesha elide elizinzileyo lezixhobo, ukubeka isiseko esiluqilima sophuhliso olukumgangatho ophezulu kwixesha lokuvelisa ngobukrelekrele.
Ixesha lokuposa: May-13-2025