Ipompo yokugeleza exutyiweyo yeshaft ehlengahlengiswa ngokupheleleyo luhlobo lwepompo enobubanzi obuphakathi nobukhulu esebenzisa i-blade angle adjuster ukuqhuba iiblade zepompo ukuba zijikeleze, ngaloo ndlela itshintsha i-engile yokubekwa kweblade ukuze kufezekiswe utshintsho lokuhamba kunye nentloko. Eyona ndlela iphambili yokuhambisa amanzi ngamanzi acocekileyo okanye amanzi amdaka alula kwi-0~50℃ (imidiya ekhethekileyo ibandakanya amanzi olwandle kunye namanzi oMlambo iYellow). Isetyenziswa kakhulu kwiiprojekthi zokugcina amanzi, ukunkcenkceshela, ukuhambisa amanzi kunye neeprojekthi zokuhambisa amanzi, kwaye isetyenziswa kwiiprojekthi ezininzi zesizwe ezifana neProjekthi yokuPhambuka kwamanzi ukusuka eMzantsi ukuya eMntla kunye neProjekthi yokuPhambuka koMlambo iYangtze ukuya eHuaihe.
Iiblade zeshaft kunye nepompo yokugeleza exutyiweyo zijijekile ngokwendawo. Xa iimeko zokusebenza zepompo ziphambuka kwindawo yoyilo, umlinganiselo phakathi kwesantya esijikelezayo semiphetho yangaphakathi neyangaphandle yeeblade uyatshatyalaliswa, nto leyo ebangela ukuba ukuphakanyiswa okuveliswa ziiblade (ii-airfoils) kwiirediyasi ezahlukeneyo kungasalingani, nto leyo ebangela ukuba ukuhamba kwamanzi kwipompo kube nzima kwaye ukulahleka kwamanzi kwande; okukhona kude nendawo yoyilo, kokukhona inqanaba lokuxinana kwamanzi liphezulu kwaye ukulahleka kwamanzi kukhulu. Iipompo ze-axial kunye ne-mixed flow zinentloko ephantsi kwaye zimxinwa kakhulu kwindawo esebenza kakuhle. Utshintsho lwentloko yazo yokusebenza luya kubangela ukwehla okukhulu ekusebenzeni kwepompo. Ke ngoko, iipompo ze-axial kunye ne-mixed flow ngokubanzi azinakusebenzisa i-throttling, i-turn kunye nezinye iindlela zokulungisa ukutshintsha ukusebenza kweemeko zokusebenza; kwangaxeshanye, ngenxa yokuba iindleko zokulawula isantya ziphezulu kakhulu, ulawulo lwesantya oluguquguqukayo alusetyenziswa rhoqo ekusebenzeni kokwenyani. Ekubeni iipompo ze-axial kunye ne-mixed flow zinomzimba omkhulu wehabhu, kulula ukufaka iiblade kunye neendlela zokudibanisa iintonga zeblade ezinokulungisa i-engile. Ngoko ke, uhlengahlengiso lwemeko yokusebenza yeempompo ze-axial kunye ne-mixed flow ludla ngokusebenzisa uhlengahlengiso lwe-engile eguquguqukayo, olunokwenza iimpompo ze-axial kunye ne-mixed flow zisebenze phantsi kweemeko zokusebenza ezilungileyo kakhulu.
Xa umahluko phakathi kwamanzi aphezulu nasezantsi usanda (oko kukuthi, intloko yenethi iyanda), i-engile yokubekwa kweblade ilungiswa ibe yixabiso elincinci. Ngelixa kugcinwa ukusebenza kakuhle okuphezulu, izinga lokuhamba kwamanzi lincitshiswa ngokufanelekileyo ukuthintela i-motor ukuba ingagcwali kakhulu; xa umahluko phakathi kwamanzi aphezulu nasezantsi uncipha (oko kukuthi, intloko yenethi iyancipha), i-engile yokubekwa kweblade ilungiswa ibe yixabiso elikhulu ukuze ilayishe ngokupheleleyo i-motor kwaye ivumele i-water pump ukuba ipompe amanzi amaninzi. Ngamafutshane, ukusetyenziswa kwe-shaft kunye nee-flow pumps ezixutyiweyo ezinokutshintsha i-engile ye-blade kunokuyenza isebenze kwimeko efanelekileyo yokusebenza, kuthintelwe ukuvalwa okunyanzelekileyo kwaye kufezekiswe ukusebenza kakuhle kunye nokupompa amanzi aphezulu.
Ukongeza, xa iyunithi iqaliswa, i-engile yokubekwa kweblade ingalungiswa ibe ncinci, nto leyo enokunciphisa umthwalo wokuqala wemoto (malunga ne-1/3 ~ 2/3 yamandla alinganisiweyo); ngaphambi kokuba icime, i-engile yeblade ingalungiswa ibe ncinci, nto leyo enokunciphisa isantya sokubuyela umva kunye nomthamo wamanzi okuhamba kwamanzi kwipompo ngexesha lokucima, kwaye inciphise umonakalo wempembelelo yokuhamba kwamanzi kwizixhobo.
Ngamafutshane, isiphumo sokulungiswa kwe-blade angle sibalulekile: ① Ukulungisa i-engile ibe yixabiso elincinci kwenza kube lula ukuqala nokuvala; ② Ukulungisa i-engile ibe yixabiso elikhulu kwandisa isantya sokuhamba; ③ Ukulungisa i-engile kunokwenza iyunithi yepompo isebenze ngoqoqosho. Kuyabonakala ukuba i-adjuster ye-engile ye-blade ithatha indawo ebaluleke kakhulu ekusebenzeni nasekulawuleni izikhululo zokumpompa eziphakathi nezinkulu.
Umzimba oyintloko wepompo yokugeleza exutyiweyo yomngxuma ehlengahlengiswa ngokupheleleyo inamacandelo amathathu: intloko yepompo, umlawuli, kunye nemoto.
Ⅰ, Intloko yepompo
Isantya esithile sepompo yokuhamba exutyiweyo ye-axial ehlengahlengiswa ngokupheleleyo yi-400~1600 (isantya esithile sepompo yokuhamba exutyiweyo yi-700~1600), (isantya esithile sepompo yokuhamba exutyiweyo yi-400~800), kwaye intloko ngokubanzi yi-0~30.6m. Intloko yepompo yenziwe ikakhulu luphondo lokungena kwamanzi (ijoyinti yokwandisa ukungena kwamanzi), iindawo zerotor, iindawo zegumbi le-impeller, umzimba we-vane yesikhokelo, isihlalo sepompo, ingqiniba, iindawo ze-shaft yepompo, iindawo zokupakisha, njl. Intshayelelo kwizinto eziphambili:
1. Icandelo le-rotor licandelo eliphambili kwintloko yepompo. Liqulathe iiblade, umzimba we-rotor, intonga yokutsala esezantsi, ibheyari, ingalo ye-crank, isakhelo sokusebenza, intonga yokudibanisa kunye nezinye iindawo. Emva kokuhlanganiswa ngokubanzi, kwenziwa uvavanyo lwebhalansi engaguqukiyo. Phakathi kwazo, izinto zeblade zikhethwa njenge-ZG0Cr13Ni4Mo (ubulukhuni obuphezulu kunye nokumelana nokuguguleka okuhle), kwaye kusetyenziswa i-CNC machining. Izinto ezisele zihlala ziyi-ZG.
2. Izinto zegumbi le-impeller zivulwa ngokudibeneyo embindini, eziqiniswe ngamabholithi kwaye zibekwe ngeepini ezikhonikhi. Izinto ezisetyenzisiweyo zingcono zibe yi-integral ZG, kwaye ezinye iindawo zenziwe nge-ZG + intsimbi engagqwaliyo efakwe ngaphakathi (esi sisombululo sinzima ukwenziwa kwaye sinokuba neziphene zokuwelda, ngoko ke kufuneka siphetshwe kangangoko kunokwenzeka).
3. Umzimba we-vane ekhokelayo. Ekubeni ipompo ehlengahlengiswayo ngokupheleleyo ngokusisiseko iyipompo ephakathi ukuya kwenkulu, ubunzima bokuphosa, iindleko zokuvelisa kunye nezinye izinto ziyathathelwa ingqalelo. Ngokubanzi, izinto ezikhethwayo yi-ZG+Q235B. I-vane ekhokelayo iphoswa ibe yinxalenye enye, kwaye i-flange yeqokobhe yipleyiti yentsimbi ye-Q235B. Ezi zimbini ziyadityaniswa kwaye emva koko zicutshungulwe.
4. Umngxuma wepompo: Umngxuma ohlengahlengiswayo ngokupheleleyo uhlala ungumngxuma ongenanto onezakhiwo zeflange kuzo zombini iziphelo. Izinto ezisetyenzisiweyo zingcono zenziwe nge-45 + cladding 30Cr13. Umngxuma kwi-water guide bearing kunye ne-filler ikakhulu wenzelwe ukwandisa ubulukhuni bayo kunye nokuphucula ukumelana nokuguguleka.
Ⅱ. Intshayelelo kwizinto eziphambili zomlawuli
Kule mihla, i-blade angle hydraulic regulator eyakhelwe ngaphakathi isetyenziswa kakhulu kwimarike. Iquka ikakhulu iindawo ezintathu: umzimba ojikelezayo, isigqubuthelo, kunye nebhokisi yenkqubo yokubonisa ulawulo.
1. Umzimba ojikelezayo: Umzimba ojikelezayo unesihlalo sokuxhasa, isilinda, itanki yepetroli, iyunithi yamandla ehydraulic, isenzi se-engile, iringi yokutyibilika kombane, njl.njl.
Umzimba wonke ojikelezayo ubekwe kwi-main shaft yemoto kwaye ujikeleza ngokulandelelanayo ne-shaft. Ubotshelelwe phezulu kwi-main shaft yemoto nge-mounting flange.
I-flange yokufaka iqhagamshelwe kwisihlalo esixhasayo.
Indawo yokulinganisa ye-angle sensor ifakelwe phakathi kwentonga yepiston kunye ne-tie rod sleeve, kwaye i-angle sensor ifakelwe ngaphandle kwesilinda yepetroli.
Indandatho yokutyibiliza yombane ifakiwe kwaye iqiniswe kwisiciko setanki yepetroli, kwaye inxalenye yayo ejikelezayo (i-rotor) ijikeleza ngokulinganayo nomzimba ojikelezayo. Isiphelo sokukhupha kwi-rotor siqhagamshelwe kwiyunithi yamandla e-hydraulic, i-sensor yoxinzelelo, i-sensor yobushushu, i-angle sensor, kunye neswitshi yomda; inxalenye ye-stator yendandatho yokutyibiliza yombane iqhagamshelwe kwi-stop screw ekwisiciko, kwaye i-stator outlet iqhagamshelwe kwisiphelo esikwisiciko solawulo;
Intonga yepiston ibotshelelwe kwintambo yetayile yepompo yamanzi.
Iyunithi yamandla e-hydraulic ingaphakathi kwitanki yepetroli, enika amandla okusebenza kwesilinda yepetroli.
Kukho iiringi ezimbini zokuphakamisa ezifakwe kwitanki yeoyile ukuze zisetyenziswe xa umlawuli ephakanyisiwe.
2. Isigqubuthelo (esikwabizwa ngokuba ngumzimba osisigxina): Siqulathe iindawo ezintathu. Inxalenye enye sisigqubuthelo sangaphandle; inxalenye yesibini sisigqubuthelo sesigqubuthelo; inxalenye yesithathu yifestile yokujonga. Isigqubuthelo sangaphandle sinamathele phezulu kwesigqubuthelo sangaphandle semoto ephambili kwaye sigubungela umzimba ojikelezayo.
3. Ibhokisi yenkqubo yokubonisa ulawulo (njengoko kubonisiwe kuMfanekiso 3): Iqulathe i-PLC, isikrini sokuchukumisa, i-relay, i-contactor, umbane we-DC, i-knob, isibane sesalathisi, njl. Isikrini sokuchukumisa sinokubonisa i-engile yeblade yangoku, ixesha, uxinzelelo lweoyile kunye nezinye iiparameter. Inkqubo yokulawula inemisebenzi emibini: ulawulo lwendawo kunye nolawulo olukude. Iindlela ezimbini zokulawula zitshintshwa nge-knob eneendawo ezimbini kwibhokisi yenkqubo yokubonisa ulawulo (ebizwa ngokuba yi-"ibhokisi yokubonisa ulawulo", efanayo ngezantsi).
3. Uthelekiso kunye nokukhethwa kweemoto ezihambelanayo nezingenangqamaniso
A. Iingenelo kunye nokungalungi kweemoto ezihambelanayo
Iingenelo:
1. Umsantsa womoya phakathi kwerotor kunye ne-stator mkhulu, kwaye ukufakwa kunye nokulungiswa kulula.
2. Ukusebenza kakuhle kunye nomthamo oqinileyo wokuthwala umthwalo omninzi.
3. Isantya asitshintshi ngomthwalo.
4. Ukusebenza kakuhle kakhulu.
5. I-power factor ingaphuculwa. I-reactive power inganikezelwa kwi-power grid, ngaloo ndlela iphucula umgangatho we-power grid. Ukongeza, xa i-power factor ihlengahlengiswa kwi-1 okanye kufutshane nayo, ukufunda kwi-ammeter kuya kuncipha kuba i-reactive component kwi-current iyancitshiswa, into engenakwenzeka kwiimoto ezingasebenziyo.
Iingxaki:
1. Irotha kufuneka inikwe amandla sisixhobo esikhethekileyo sokuvuthela.
2. Ixabiso liphezulu.
3. Ukugcinwa kwayo kuyinkimbinkimbi ngakumbi.
B. Iingenelo kunye nokungalungi kweemoto ezingangqamananga
Iingenelo:
1. I-rotor ayidingi ukudityaniswa neminye imithombo yamandla.
2. Isakhiwo esilula, ubunzima obulula, kunye nexabiso eliphantsi.
3. Ukugcinwa lula.
Iingxaki:
1. Amandla asebenzayo kufuneka athathwe kwigridi yamandla, nto leyo eyonakalisa umgangatho wegridi yamandla.
2. Umsantsa womoya phakathi kwerotor kunye ne-stator mncinci, kwaye ukufakwa kunye nokulungiswa akunamsebenzi.
C. Ukukhethwa kweemoto
Ukukhethwa kweemoto ezinamandla alinganisiweyo e-1000kW kunye nesantya esilinganisiweyo se-300r/min kufuneka kumiselwe ngokusekelwe kuthelekiso lobuchwephesha nolwezoqoqosho ngokweemeko ezithile.
1. Kwishishini lokugcina amanzi, xa umthamo ofakiweyo ungaphantsi kwe-800kW, kukhethwa iimoto ezingasebenziyo. Xa umthamo ofakiweyo ungaphezulu kwe-800kW, kukhethwa iimoto ezisebenza ngokuhambelanayo.
2. Umahluko ophambili phakathi kweemoto ezihambelanayo kunye neemoto ezingafaniyo kukuba kukho ukujija komoya kwirotor, kwaye kufuneka kucwangciswe isikrini somoya somoya se-thyristor.
3. isebe lobonelelo lwamandla lelizwe lam lichaza ukuba amandla ombane kumbane womsebenzisi kufuneka afikelele ngaphezulu kwe-0.90. Iimoto ezihambelanayo zinamandla aphezulu kwaye zinokuhlangabezana neemfuno zobonelelo lwamandla; ngelixa iimoto ezingafaniyo zinamandla aphantsi kwaye azinakwanelisa iimfuno zobonelelo lwamandla, kwaye kufuneka imbuyekezo yamandla asebenzayo. Ke ngoko, izitishi zokumpompa ezixhotyiswe ngeemoto ezingafaniyo ngokubanzi kufuneka zixhotyiswe ngezikrini zobonelelo lwamandla asebenzayo.
4. Ulwakhiwo lweemoto ezihambelanayo luyinkimbinkimbi ngakumbi kunolo lweemoto ezingafaniyo. Xa iprojekthi yesitishi sokumpompa kufuneka iqwalasele ukuveliswa kombane kunye nokuguqulwa kwesigaba, iimoto ezihambelanayo kufuneka zikhethwe.
Iimpompo zokuhamba ezixutyiweyo ze-axial ezihlengahlengiswa ngokupheleleyozisetyenziswa kakhulu kwiiyunithi ezithe nkqo (ZLQ, HLQ, ZLQK), iiyunithi ezithe tye (ezityekeleyo) (ZWQ, ZXQ, ZGQ), kwaye zingasetyenziswa nakwiiyunithi zeLP eziphantsi kunye nezinkulu.
Ixesha leposi: Oktobha-18-2024