Ngo-2002, i-East Route yeProjekthi yoMguqulo waManzi okuMazantsi ukuya kuMntla yaphehlelelwa ngokusesikweni, kwaye kucetywa ukugqithiselwa i-14.8 yeebhiliyoni zee-cubic metres zamanzi ngonyaka emva kokugqitywa.Ngokwesicwangciso esipheleleyo, isikali sokugqibela sokuphambukiswa kwamanzi kwiProjekthi yokuNyulukiswa kwaManzi okuMazantsi ukuya-kuMntla yi-44.8 yeebhiliyoni zeekyubhic metres, kubandakanywa ne-14.8 yeebhiliyoni zee-cubic metres kumgca osempuma, i-13 yeebhiliyoni zee-cubic metres kumgca ophakathi, kunye ne-17 yeebhiliyoni zeekyubhiki. iimitha kumgca osentshona.Ixesha lokwakha liya kuthabatha iminyaka engama-40 ukuya kwengama-50.Emva kokuba igqityiwe iprojekthi, Iza kwenza elona qela lesikhululo sokumpompa likhulu ehlabathini.
IProjekthi yokuNyulwa kwaManzi okuMazantsi ukuya kuMntla ihambisa amanzi ukusuka emazantsi ukuya emantla.Ihambisa amanzi ukusuka kwiindawo eziphakamileyo ukuya kwiindawo eziphakamileyo.Ukoyisa impembelelo yomxhuzulane, kuyimfuneko ukusebenzisa into efana nompompo wamanzi.Ukuze kuphunyezwe umthamo wokuhanjiswa kwamanzi wamashumi eebhiliyoni zeecubic metres, kuthatha Zingaphi iimpompo ezithathayo?
IProjekthi yokuNyulwa kwaManzi okuMazantsi ukuya kuMntla yahlulwe yaba yimizila emithathu, impuma nentshona.Iprojekthi yomgca osempuma izotywe kwindawo esezantsi yoMlambo iYangtze kwaye ithuthwe ngeBeijing-Hangzhou Grand Canal.Lilonke inani lezikhululo zokumpompa amanzi kulo mzila lifikelele kuma-51: inqanaba lokuqala leprojekthi ngo-2014. Kukho izikhululo ezingama-21, ezili-13 ezingakumbi ziya kwakhiwa kwisigaba sesibini, kwaye ezinye ezili-17 ziya kwakhiwa kwisigaba sesithathu.
Zinkulu kangakanani ezi mpompo?
Kuxelwa ukuba impompo yamanzi encinci imalunga nemitha ukuphakama, ngelixa impompo enkulu yamanzi i-5.2 yeemitha ukuphakama, kwaye umthamo wokupompa ufikelele kwi-13,000 cubic metres, ekhangeleka kakhulu, oku kuthetha ukuba umsebenzi onxulumene nobugcisa unzima kakhulu. .
Kwiprojekthi yomgca ophakathi, indawo yokuqala yomgca ophakathi yiDanjiangkou Reservoir, emalunga neemitha ezili-100 phezulu kuneBeijing, kwaye amanzi angakwazi ukuhamba ngokwawo ngokuxhuzula.
Eyona nto inzima kule mizila mithathu yiprojekthi yomgca osentshona, ekunkcenkceshela iindawo eziyinkqantosi ezisentshona nasemntla-ntshona ngokujika amanzi kuMlambo iDadu.Iimeko kummandla osentshona zimbi kakhulu, yaye kunzima kakhulu ukusebenza.Ngethamsanqa, umphakamo womphambili osentshona uphezulu kakhulu, ngoko ke kulula ukumpompa amanzi, kodwa kunzima ngakumbi ukubeka amanzi.
Ukukhetha impompo ngowona msebenzi ubalulekileyo kunye nowona msebenzi uphambili "kwinqanaba lophononongo lokunokwenzeka" loyilo lwesikhululo sokupompa.Ingaba ukhetho lwempompo yamanzi lunengqiqo okanye aluhambelani nentloko yokusebenza ngokubanzi, ngokukodwa ukusebenza kwezoqoqosho phantsi kwemeko yentloko yoyilo, ehambelana nokhuseleko kunye nokuthembeka kwentloko yonke yokusebenza, kwaye inxulumene nofakelo, ukugcinwa, kunye notyalo-mali lweprojekthi. .
Ukukhethwa kweepompo zamanzi kubandakanya ukuqwalaselwa kolwakhiwo lwezakhiwo, kodwa ingqwalasela kukuthelekisa kunye nokukhethwa kweempawu ze-hydraulic.Ukususela kubudlelwane bemathematika, bamba iimpawu zempompo kunye nokusebenza kwesixhobo sempompo, i-NPSH ebalulekileyo, njl.Kwizikhululo zokumpompa, imijelo yokuhamba kunye nezixhobo zokumpompa nazo zibaluleke kakhulu.Isixhobo sempompo kukwandiswa kwempompo yamanzi, kwaye "yimpompo yamanzi ngokubanzi".Kuyimfuneko ukubamba iimpawu zejelo lokuhamba kunye nesixhobo sempompo ukusuka kubudlelwane bemathematika, kwaye wenze ukhetho olufanelekileyo.
Impompo yeRuite ineqela lobuchwephesha lokukunceda ukhethe impompo efanelekileyo kwindawo yakho yesicelo.
Wamkelekile kuqhagamshelwano:
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Ixesha lokuposa: Mar-08-2023