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Uma ukuphuma kwepompo kuguqulwa kusuka ku-6" ukuya ku-4" ngokuhlanganyela, ingabe lokhu kuzoba nomthelela empompini? Kumaphrojekthi angempela, sivame ukuzwa izicelo ezifanayo. Ukunciphisa ukuphuma kwamanzi kwepompo kungakhuphula kancane ukucindezela kwamanzi, kodwa ngenxa yokwanda kwezinga lokugeleza kwepompo, kuzokwandisa ukulahlekelwa kwe-hydraulic.
Ake sikhulume ngomthelela wokunciphisa ukuphuma kwepompo empompini.
Umthelela wokunciphisa ukuphuma kwephampu
1.Izinguquko kumapharamitha we-hydraulic: ingcindezi eyengeziwe, ukugeleza okunciphile, nobungozi bokudlidliza
Umthelela we-throttling:Ukunciphisa ukuphuma kwamanzi epompo empeleni kulingana nokuvala i-valve yokuphuma yepompo. Ukunciphisa ububanzi bokukhiphayo kulingana nokwandisa i-coefficient yendawo yokumelana. Ngokulandela ifomula ye-Darcy-Weisbach, ukucindezela kwesistimu kuzogxuma ngokungekho emthethweni (idatha yokuhlola ibonisa ukuthi ukunciphisa ngo-10% ububanzi kungaholela ekwenyukeni kwengcindezi ngo-15-20%), kuyilapho izinga lokugeleza libonisa umthetho wokunciphisa we-Q∝A·v.
Nakuba amandla e-shaft ehla cishe ngo-8-12% ngokuncipha kokugeleza, ukuqina kokudlidliza okubangelwa ukushaya kwengcindezi kungase kukhuphuke ngo-20-30%, ikakhulukazi eduze nesivinini esibucayi, okulula ukuheha ukuzwakala kwesakhiwo.
2. Ubudlelwano phakathi kwekhanda nokucindezela: Ikhanda lethiyori lihlala lingashintshiwe, ukucindezela kwangempela kushintsha ngokuguquguqukayo
Ikhanda le-oretical lihlala lingashintshiwe:Inhloko yethiyori ye-impeller inqunywa imingcele yejometri futhi ayinakho ukuhlobana okuqondile nobubanzi bokuphuma kwamanzi.
Umphumela we-throttling uzokwandisa ukucindezela kokuphuma kwephampu: Lapho indawo yokusebenza yesistimu ihamba eduze kwejika le-HQ futhi imvelo yangaphandle ishintsha (njengokushintshashintsha kokumelana kwenethiwekhi yamapayipi), i-amplitude yokuguquguquka kwengcindezi ikhuphuka ngo-30-50%, futhi ukubikezela okuguquguqukayo kuyadingeka ngejika lesici sokugeleza kwengcindezi.
3. Ukuthembeka kwezisetshenziswa:umthelela wempilo kanye neziphakamiso zokuqapha
Uma izimo zokusebenza zingezinhle kakhulu, zizoba nomthelela othile empilweni yesevisi yepompo. Ukuqapha ukudlidliza kungenziwa, futhi ukuhlaziya kwe-modal kungenziwa uma kunesidingo.
4. Imajini yokuphepha:imininingwane yokuguqulwa kanye nomthwalo wemoto
Imininingwane yokuvuselela:Ububanzi bokukhipha amanzi akufanele bube ngaphansi kuka-75% yenani lomklamo wokuqala. I-throttling ngokweqile izobangela i-motor service factor (SF) ukuthi yeqe umkhawulo wokuphepha.
Uma umkhawulo wokuphepha weqiwa, ukugeleza kwamanzi okungekuhle kuzoletha ingcindezi empompini yamanzi, kwandise umthwalo wemoto, futhi injini izogcwala kakhulu. Uma kunesidingo, amandla e-vortex kufanele abikezelwe ngokulinganisa kwe-CFD, futhi i-coefficient yokugeleza kufanele ilinganiswe nge-flowmeter ye-ultrasonic ukuze kuqinisekiswe ukuthi izinga lomthwalo wemoto lilawulwa ngaphansi kwama-85% yenani elilinganiselwe.
5. Umthetho wokugeleza:ubudlelwano obuqondile phakathi kobubanzi nokugeleza
Ithinta ngokuqondile ukugeleza kwepompo yamanzi, okungukuthi, indawo enkulu yokuphuma kwamanzi yepompo yamanzi, ukugeleza okukhulu kwepompo yamanzi, futhi ngokuphambene nalokho. (Izinga lokugeleza lihlotshaniswa kahle nendawo ephambanayo yendawo yokukhipha amanzi. Ukuhlolwa kubonisa ukuthi ukuncipha ngo-10% kobubanzi kuhambisana nokunciphisa ukugeleza ngo-17-19%)
Isikhathi sokuthumela: Mar-24-2025