1. Umphini

Iipompo ezinemibhobho emide ziqhelene nokungonelanga kokuqina kwe-shaft, ukuphambuka okugqithisileyo, kunye nokungahambi kakuhle kwenkqubo ye-shaft, ebangela ukungqubuzana phakathi kweendawo ezihambayo (i-drive shaft) kunye neendawo ezimileyo (iibheringi ze-sliding okanye imisesane yomlomo), okubangela ukungcangcazela. Ukongezelela, i-shaft yepompo ide kakhulu kwaye ichaphazeleka kakhulu yimpembelelo yamanzi ahambayo echibini, okwandisa ukungcangcazela kwenxalenye engaphantsi kwamanzi yempompo. Ukuba i-gap ye-balance plate ekupheleni kwe-shaft inkulu kakhulu, okanye i-axial yokusebenza intshukumo ingalungiswanga ngendlela engafanelekanga, iya kubangela ukuba i-shaft ihambe kwi-frequency ephantsi kwaye ibangele ukuba i-bearing bush ingcangcazele. I-eccentricity ye-shaft ejikelezayo iya kubangela ukugoba kwe-vibration ye-shaft.

2. Isiseko kunye neBracket yePump

Ifom yokulungisa uqhagamshelwano phakathi kwesakhelo sesixhobo sokuqhuba kunye nesiseko ayilunganga, kwaye isiseko kunye nenkqubo yemoto ine-vibration engafanelekanga yokufunxa, ukuhanjiswa, kunye namandla okuzihlukanisa, okukhokelela ekungcangcazeleni okugqithisileyo kwesiseko kunye nemoto. Ukuba i-split case ye-centrifugal pumpfoundation ikhululekile, okanye ityala lempompo ye-centrifugal lenza isiseko se-elastic ngexesha lenkqubo yofakelo, okanye ukuqina kwesiseko kubuthathaka ngenxa yamaqamza amanzi antywiliselwe ngeoyile, imeko yokwahlulwa kwempompo ye-centrifugal iya kuvelisa esinye isantya esibalulekileyo Umahluko wesigaba se-1800 ukusuka kwi-vibration, ngaloo ndlela ukwandisa ukungcangcazela rhoqo kwimpompo ye-centrifugal yecala. Ukuba ukwanda Ukuba i-frequency isondele okanye ilingana nokuphindaphinda kwento yangaphandle, i-amplitude yecala lokwahlula ipompo ye-centrifugal iya kwanda. Ukongeza, iibholiti ze-anchor zesiseko ezikhululekileyo ziya kunciphisa ukuqina kokuthintela kwaye kuqinise ukungcangcazela kwemoto.

3. Ukudibanisa

Isithuba esijikelezayo se-bolts yokudibanisa i-coupling impofu, kwaye i-symmetry iyachithwa; icandelo lokwandiswa kokudibanisa li-eccentric, eliya kuvelisa amandla e-eccentric; i-taper yokudibanisa iphuma kukunyamezela; ibhalansi ye-static okanye ibhalansi eguqukayo yokudibanisa ayilungile; i-elasticity Ukulungelelaniswa phakathi kwepini kunye nokudibanisa kuqine kakhulu, kubangela ukuba i-pin elasticity ilahlekelwe ngumsebenzi wayo wokulungiswa kwe-elastic kwaye ibangele ukuba ukudibanisa kungahambelani kakuhle; i-gap ehambelanayo phakathi kokudibanisa kunye ne-shaft inkulu kakhulu; ukunxitywa komatshini weringi yerabha yokudibanisa Ukusebenza okuhambelanayo kweringi yerubha yokudibanisa kuyancitshiswa; umgangatho weebholiti zothumelo ezisetyenzisiweyo kwi-coupling ayilingani omnye nomnye. Ezi zizathu zonke zibangela ukungcangcazela.

4. Izinto zeMpompo ngokwayo

Intsimi yoxinzelelo lwe-asymmetric eyenziwa xa i-impeller ijikeleza; i-vortices kwidama lokufunxa kunye nombhobho wokungena; ukwenzeka kunye nokunyamalala kwee-vortices ngaphakathi kwe-impeller, i-volute kunye ne-vanes yesikhokelo; ukungcangcazela okubangelwa yi-vortices ebangelwa kukuvulwa kwesiqingatha sevalve; ngenxa yenani elilinganiselweyo le-impeller blades Ukuhanjiswa koxinzelelo lwe-outlet engalinganiyo; deflow kwi-impeller; ukunyuka; uxinzelelo lwe-pulsating kumjelo wokuhamba; i-cavitation amanzi aqukuqela kumzimba wempompo, nto leyo eya kubangela ukungqubana kunye nefuthe kumzimba wempompo, njengamanzi abetha ulwimi lwe-baffle kunye nomphambili we-vane yesikhokelo. Umda womzimba wempompo ubangela ukungcangcazela; I-boiler feed split case iimpompo ze-centrifugal ezithutha amanzi obushushu obuphezulu ziqhelene ne-cavitation vibration; i-pulsation yoxinzelelo kumzimba wempompo ibangelwa ubukhulu becala ngumsesane wokutywina wempompo. Umsantsa kumsesane wokutywina womzimba wempompo mkhulu kakhulu, ubangela ilahleko enkulu yokuvuza kunye nokubuyela umva okukhulu kumzimba wempompo, kwaye emva koko Ukungalingani okubangelwa yi-rotor axial force kunye noxinzelelo lwe-pulsation kuya kuphucula ukungcangcazela. Ukongeza, kwimeko eshushu yokwahlula iimpompo ze-centrifugal ezihambisa amanzi ashushu, ukuba i-preheating yempompo ayilingani ngaphambi kokuqala, okanye inkqubo ye-sliding ye-sliding case yepompo ye-centrifugal ayisebenzi kakuhle, ukwandiswa kwe-thermal yeyunithi yempompo kuya kwenzeka. , eya kubangela ukungcangcazela okunobundlobongela ngexesha lokuqalisa; umzimba wempompo ubangelwa ukwanda kwe-thermal, njl. Ukuba uxinzelelo lwangaphakathi kwi-shaft alukwazi ukukhutshwa, luya kubangela ukuqina kwenkqubo yokuxhasa i-shaft ejikelezayo. Xa ukuqina okutshintshileyo kukuphindaphinda okudibeneyo kwe-angular frequency yenkqubo, i-resonance iya kwenzeka.

5. Motor

Amalungu okwakhiwa kweemoto akhululekile, isixhobo sokubeka indawo sikhululekile, i-iron core silicon sheet ikhululekile kakhulu, kwaye ukuqina kwenkxaso yokuthwala kuncitshisiwe ngenxa yokunxiba, okuya kubangela ukungcangcazela. I-mass eccentricity, i-rotor engalinganiyo yokusabalalisa ubuninzi obubangelwa ukugoba kwe-rotor okanye iingxaki zokusabalalisa ubunzima, okubangelwa ukulinganisa okugqithisileyo kunye nokulinganisa okuguquguqukayo. Ukongezelela, imivalo ye-squirrel ye-squirrel ye-rotor ye-squirrel-cage motor iphukile, ibangela ukungalingani phakathi kwamandla amagnetic field kwi-rotor kunye ne-rotational inertia force ye-rotor, ebangela ukungcangcazela. Ilahleko yesigaba semoto, unikezelo lwamandla olungalinganiyo lwesigaba ngasinye kunye nezinye izizathu zinokubangela ukungcangcazela. Kwi-motor stator winding, ngenxa yeengxaki zomgangatho ngexesha lenkqubo yofakelo, ukuchasana phakathi kwe-motor windings akulingani, okukhokelela kumhlaba wemagneti ongalinganiyo kunye namandla angalinganiyo we-electromagnetic. La mandla e-electromagnetic abe ngamandla okuvuselela kwaye abangele ukungcangcazela.

6. Ukukhetha iMpompo kunye neeMeko zokuSebenza eziGuquguqukayo

Impompo nganye inendawo yayo yokusebenza elinganisiweyo. Ingaba iimeko zokusebenza zangempela zihambelana neemeko zokusebenza ezicwangcisiweyo zinempembelelo ebalulekileyo ekuzinzeni okuguquguqukayo kwempompo. I-split case ipompo ye-centrifugal isebenza ngokuzinzileyo phantsi kweemeko zokusebenza zoyilo, kodwa xa isebenza phantsi kweemeko zokusebenza eziguquguqukayo, ukunyakaza kwanda ngenxa yombane owenziwe kwi-impeller; impompo enye ayikhethwanga kakuhle, okanye iimodeli ezimbini zempompo azihambelani. ngokuhambelanayo. Ezi ziya kubangela ukungcangcazela kwimpompo.

7. Iibheringi kunye neLubrication

Ukuba ukuqina kokuthwala kuphantsi kakhulu, kuya kubangela ukuba isantya sokuqala esibalulekileyo sinciphise kwaye sibangele ukungcangcazela. Ukongezelela, ukusebenza kakubi kwesikhokelo sokuthwala kukhokelela ekunganyangekiyo kokugqoka, ukulungiswa okungahambi kakuhle, kunye nokukhutshwa ngokugqithisileyo, okunokubangela ukungcangcazela; ngelixa ukunxitywa kwe-thrust bearing kunye nezinye iibheringi eziqengqelekayo ziya kuqinisa i-longitudinal scurry vibration kunye nokugoba ukungcangcazela kweshaft ngaxeshanye. . Ukukhethwa okungafanelekanga kweoli yokuthambisa, ukuwohloka, umxholo wokungcola okugqithisileyo kunye nokungaphumeleli kokuthambisa okubangelwa yimibhobho yokuthambisa engafanelekanga kuya kubangela ukuba iimeko zokusebenza ezithweleyo zihlazeke kwaye zibangele ukungcangcazela. I-self-excitation yefilimu yeoli ye-motor sliding bear nayo iya kuvelisa ukungcangcazela.

8. Imibhobho, ukuFakela kunye nokuLungisa.

Ukuxhaswa kombhobho wokuphuma kwempompo ayiqinanga ngokwaneleyo kwaye ikhubaza kakhulu, ibangela ukuba umbhobho ucinezele umzimba wempompo, utshabalalise ukungathathi hlangothi kwempompo kunye nemoto; umbhobho unamandla kakhulu ngexesha lokufakela, kwaye i-inlet kunye ne-outlet imibhobho yonakaliswe ngaphakathi xa ixhunywe kwimpompo. Uxinzelelo lukhulu; imibhobho yokungena kunye neyokuphuma ikhululekile, kwaye ukuqina kokuthintela kuncipha okanye kusilela; i-outlet flow channel yaphulwe ngokupheleleyo, kwaye i-debris ibambelela kwi-impeller; umbhobho awugudi, njengengxowa yomoya kwindawo yokukhupha amanzi; ivalve yokuphuma kwamanzi iphumile kwipleyiti, okanye ayivuli; indawo yokungena amanzi yonakalisiwe Ukungenisa umoya, ibala lokuhamba elingalinganiyo, kunye noxinzelelo lokuguquguquka. Ezi zizathu ziya kubangela ngokuthe ngqo okanye ngokungathanga ngqo ukungcangcazela kwempompo kunye nombhobho.

9. ULungelelaniso phakathi kwamaQela

Ukugxila kwe-motor shaft kunye ne-pump shaft ngaphandle kokunyamezela; i-coupling isetyenziselwa ukudibanisa phakathi kwe-motor kunye ne-shaft yokuhambisa, kunye nokugxilwa kokudibanisa ngaphandle kokunyamezela; uyilo phakathi kwamalungu aguquguqukayo kunye ne-static (anje phakathi kwe-hub ye-impeller kunye neringi yomlomo) Ukunxitywa kwe-gap iba nkulu; i-gap phakathi kwe-bracket yokuzala ephakathi kunye ne-cylinder yepompo idlula umgangatho; isithuba phakathi kwendandatho yokutywina ayifanelekanga, ibangela ukungalingani; Umsantsa ojikeleze umsesane wokutywina awulingani, njengeringi yomlomo ayikrolwanga okanye isahlulelo asikrolwanga, kuya kwenzeka Oku. Ezi zinto zingalunganga zinokubangela ukungcangcazela.

10. Impeller

Impompo ye-Centrifugal ye-impeller mass eccentricity. Ukulawulwa komgangatho ngexesha lenkqubo yokuvelisa i-impeller ayilungile, umzekelo, umgangatho wokuphosa kunye nokuchaneka komatshini awufaneleki; okanye ulwelo oluthuthwayo luyadleka, kwaye i-impeller flow path ikhukuliswe kwaye idliwe, ibangele ukuba i-impeller ibe yi-eccentric. Nokuba inani leeblades, i-engile yokuphuma, i-engile yokusonga, kunye nomgama weradial phakathi kolwimi lokwahlula komqala kunye nencam ye-impeller ephumayo ye-centrifugal pump impeller ifanelekile, njl.njl. Ngexesha lokusetyenziswa, ukukhuhlana kokuqala phakathi kweringi ye-impeller orifice kunye nempompo. Iringi ye-orifice yomzimba yempompo ephakathi, naphakathi kwe-interstage bushing kunye ne-partition bushing, ngokuthe ngcembe ijika ibe kukukhuhlana koomatshini kunye nokuguga, okuya kwenza kube mandundu ukungcangcazela kwempompo ye-centrifugal.