Iintambo zenqanawa zasemanzini zidlala indima ebalulekileyo kunxibelelwano lwehlabathi, zithwala idatha eninzi kwiilwandlekazi. Ukukhetha izixhobo ezifanelekileyo zezi ntambo kubalulekile ukuqinisekisa ukuqina kwazo, ukusebenza kwazo, kunye nokuthembeka kwazo kwiimeko ezinzima zamanzi angaphantsi komhlaba. Kweli nqaku, siza kuhlola imingeni ebandakanyekayo ekukhetheni izixhobo zeentambo zenqanawa zasemanzini kwaye sixoxe ngezisombululo ezinokunceda ekwenzeni izigqibo ezinolwazi.
Ukumelana nokugqwala:
Enye yeengxaki eziphambili kuyilo lweentambo zamanzi angaphantsi komhlaba kukugqwala. Iintambo zivezwa emanzini olwandle, nto leyo enokubangela umonakalo omkhulu wokugqwala ngokuhamba kwexesha. Ukukhetha izinto ezinokumelana nokugqwala okugqwesileyo kubalulekile ukuze iintambo zihlale ixesha elide. Izisombululo ezifana nokusebenzisa ii-alloys ezimelana nokugqwala ezifana nentsimbi engagqwaliyo okanye ukusebenzisa ii-coating ezikhethekileyo kunokubonelela ngokhuseleko olusebenzayo ekugqwaleni.
Amandla Oomatshini:
Iintambo zenqanawa eziphantsi kolwandle kufuneka zimelane noxinzelelo olukhulu kunye noxinzelelo loomatshini ngenxa yemisinga yolwandle, amaza, kunye nobunzima bamanzi. Ukukhetha Izinto Zokusebenzisa Iintambo Zenqanawa Eziphantsi Kolwandle Ezinamandla Oomatshini Aphezulu Kubalulekile ukuqinisekisa ukuba iintambo ziyakwazi ukumelana nale mandla ngaphandle kokuphazamisa ukuthembeka kwazo. Izinto ezinamandla okuxinana njengee-aramid fibers kunye nee-carbon fiber-reinforced polymers (CFRP) zihlala zisetyenziswa ukuphucula iimpawu zoomatshini zeentambo zenqanawa ezingaphantsi kolwandle.
Ukuthintela Amanzi kunye nokukhusela:
Ukugcina ubushushu obufanelekileyo kunye neempawu zokuthintela amanzi kubalulekile ukuthintela ukungena kwamanzi kunye nokukhusela izinto zangaphakathi zentambo. I-Polyethylene, i-polypropylene, kunye ne-cross-linked polyethylene (XLPE) zihlala zisetyenziselwa ubushushu kunye nokuvala amanzi kwiintambo ezingaphantsi kwamanzi. Ezi zinto zibonelela ngeempawu zokukhusela umbane ezibalaseleyo kwaye zinokumelana nokungena kwamanzi, ziqinisekisa ukusebenza kakuhle kwentambo kunye nobude bexesha.
Ukuguquguquka kunye neRediyasi egobileyo:
Iintambo zenqanawa ezingaphantsi kwamanzi zihlala zifuna ukuba ziguquguquke kwaye zikwazi ukumelana nokugoba okuphindaphindiweyo ngaphandle kokuphazamisa ukusebenza kwazo. Izixhobo zeentambo zenqanawa ezingaphantsi kwamanzi ezinokuguquguquka okuphezulu kunye nokuqina okuphantsi kokugoba, njengeentlobo ezithile ze-polyurethane kunye ne-elastomers, zihlala zisetyenziswa ukuqinisekisa ukuba iintambo zinokufakwa kwaye zigcinwe kwiimeko ezahlukeneyo zamanzi ngelixa zigcina ukuqina kwazo kombane kunye noomatshini.
Uzinzo lobushushu:
Iintambo zenqanawa zasemanzini zinokuba notshintsho olukhulu kubushushu kwiindawo ezingaphantsi kwamanzi. Kubalulekile ukukhetha izixhobo zeentambo zenqanawa zasemanzini ezinozinzo oluhle kakhulu kubushushu ukuqinisekisa ukuba iintambo zinokumelana notshintsho kubushushu ngaphandle kokuchaphazela ukusebenza kwazo. Izinto ze-thermoplastic ezifana ne-polyethylene kunye ne-polypropylene zibonelela ngozinzo oluhle kubushushu, nto leyo ezenza zibe lukhetho olufanelekileyo lokufaka ubushushu kunye nokubeka isheya.
Isiphelo:
Ukukhetha izixhobo ezifanelekileyo zeentambo zasemanzini yinkqubo ebalulekileyo equka ukuqwalasela imingeni ethile kwiindawo ezingaphantsi kwamanzi. Ngokujongana nezinto ezinje ngokumelana nokugqwala, amandla oomatshini, ukuvalwa kwamanzi, ukuguquguquka, kunye nokuzinza kobushushu, abenzi beentambo kunye nabaqhubi banokuqinisekisa ukusebenza kakuhle kunye nobude bexesha leentambo zasemanzini. Ukuqonda le mingeni kunye nokusebenzisa izisombululo ezifanelekileyo zezinto kubalulekile kwiinethiwekhi zonxibelelwano zehlabathi ezithembekileyo nezisebenzayo.
Ixesha lokuthumela: Meyi-02-2023