Qhov ntsuas yog qhov tseem ceeb rau kev ntsuas kev ntseeg tau ntawm cov taub dej. Cov kev phom sij ntawm kev co ntau dhau tsuas yog muaj xws li: kev co ua rau cov chav dej tso rau hauv kev ua haujlwm tsis zoo; Ua rau kev co ntawm lub cev muaj zog thiab cov raj xa dej, uas ua rau lub tshuab puas tsuaj thiab raug mob rau tib neeg; Ua rau muaj kev puas tsuaj rau bearings thiab lwm cov khoom siv; Ua rau xoob kev sib txuas ua ke, lub hauv paus kev tawg, lossis kev ua kom muaj zog; Ua rau xoob lossis cov fittings puas lossis li qub txuas nrog cov taub dej tso dej; Tsim kom muaj suab nrov.
Qhov ua rau cov twj tso twj yog multifaceted. Tus ncej ntawm cov twj tso kua mis feem ntau txuas nrog tus tsav lub cev muaj zog tus ncej, ua rau muaj kev ua tau zoo ntawm lub twj tso kua mis thiab kev ua tau zoo ntawm lub cev muaj zog; Muaj ntau ntau qhov siab - ceev tau sib ntau dua cov cheebtsam, thiab cov kev sib npaug zoo thiab zoo li qub tuaj yeem ua tau raws li cov cai; Cov khoom uas cuam tshuam nrog cov kua dej tau cuam tshuam ntau heev los ntawm cov dej ntws tawm; Qhov nyuaj ntawm cov lus tsa suab nws tus kheej kuj yog qhov tseem ceeb uas txwv qhov kev ruaj khov ntawm lub twj tso kua mis dynamic kev ua tau zoo.
lub cav
Lub cev muaj zog cov txheej txheem xoob, cov kabmob kev pab ua kom xoob, thiab cov kabmob cov kev pab txhawb nqa sab nrauv, thiab cov kabmob hlau Unrethen faib ntawm rotor mass tshwm sim los ntawm kev ua tau zoo eccentricity, rotor dabtsi yog khoov lossis kev faib khoom zoo, ua rau muaj kev sib npaug ntau thiab sib npaug. Tsis tas li ntawd, cov nas ncuav kab ntawm lub rotor ntawm lub condirrel tawb lub zog ua yeeb yam ntawm lub rotor thiab rotoror inertia rotor, uas ua rau kev co rotor, uas ua rau muaj kev co. Lwm yam laj thawj yog xws li lub cev muaj zog theem poob thiab cov hluav taws xob tsis muaj zog ntawm txhua theem kuj tseem tuaj yeem ua rau kev co. Lub stator winding ntawm lub cev muaj zog, vim muaj teeb meem zoo hauv cov txheej txheem sib xyaw ntawm txhua theem, ua rau lub zog tsis sib xws thiab ua rau lub zog ua kom zoo nkauj thiab ua rau kev co.
Foundation Thiab Twj Tso Kua Mis
Tus tiv toj kho cov ntawv ntawm tsav ntaus ntawv ncej thiab lub hauv paus tsis zoo, thiab lub hauv paus muaj peev xwm nqus tau, ua rau muaj kev tshee heev ntawm ob lub hauv paus thiab lub cev muaj zog. Yog tias lub hauv paus ntawm cov twj tso kua dej xoob, lossis yog tias lub hauv paus tseem ceeb thaum lub sij hawm ua kom muaj zog ntawm 1800 los ntawm theem kev sib txawv, yog li nce qhov ntau zaus ntawm cov taub dej. Yog tias qhov ntau tshaj qhov chaw nyob ze lossis sib npaug ntawm cov zaus ntawm lwm qhov sab nraud, nws yuav ua rau cov dej dej ntws tawm. Tsis tas li ntawd, kev xoob ntawm lub hauv paus hluav taws xob bolts ua rau txo qis hauv kev poob qis ntawm cov kev co ntawm lub cev muaj zog.
Coupling
Cov kev sib cav sib nraus ntawm txoj kev txuas txuas bolts yog neeg pluag, thiab cov symmetry raug puas tsuaj; Eccentricity ntawm txuas txuas txuas txuas ntxiv sib koom tes yuav tsim eccentric quab yuam; Lub tonder℃ntawm kev sib txuas tshaj qhov ua siab ntev; Tsis zoo li qub los yog sib npaug sib npaug ntawm kev sib txuas; Lub nruj haum ntawm tus lej pin loj heev thiab kev sib txuas ua kom muaj kev muaj nuj nqi elastic, ua rau muaj kev sib haum xeeb ntawm kev sib txuas; Qhov kev tshem tawm ntawm kev sib txuas thiab tus ncej yog loj heev; Tus neeg kho tshuab hnav ntawm txuas cov roj hmab cov roj hmab ntiv nplhaib ua rau txo qis hauv kev ua tau zoo ntawm kev sib txuas roj hmab nplhaib; Qhov zoo tshaj ntawm cov kis tau bolts siv rau ntawm kev sib txuas tsis sib npaug zos. Cov laj thawj no tuaj yeem ua rau kev cai.
tus tsis sib thab
Zoo ntawm cov impeller yog eccentric. Tsis muaj kev tswj hwm tsis zoo thaum lub ntsiab lus tsim kho kom zoo, xws li ua tau zoo ua kom zoo thiab machining qhov tseeb; Los yog cov kua muaj kuab yuav ua kom xeb, ua rau yaig thiab corrosion thiab corrosion ntawm impeller Flow channel, ua rau eccentricity ntawm impeller.
② seb tus lej ntawm cov hniav, qhov hluav taws xob lub kaum ntse ntse, thiab radial deb ntawm caj pas baffle thiab qhov hluav taws xob ntawm tus impeller yog qhov tsim nyog.
Qhov kev sib txhuam thawj zaug ntawm lub ntsej muag lub qhov ncauj thiab lub cev lub qhov ncauj lub qhov ncauj thiab ib qho kev sib tw sib tw, uas yuav ua rau lub twj tso kua mis.
Pipeline thiab nws cov kev teeb tsa thiab kev txhim kho
Lub cev txhav ntawm qhov hluav taws xob pipeline bracket ntawm lub twj tso kua mis tsis muaj peev xwm thiab kev puas tsuaj loj dhau, ua rau lub cev puas tsuaj ntawm lub cev thiab lub cev muaj zog; Cov raj xa hluav taws xob raug rau ntau dhau thaum lub sijhawm teeb tsa, ua rau muaj kev ntxhov siab sab hauv thaum txuas cov inlet thiab qhov hluav taws xob rau lub twj tso kua mis; Xoob inlet thiab qhov hluav taws xob hluav taws xob, txo qis lossis txawm tias ua tsis tau raws li kev ua tsis ncaj ncees; Lub Outlet ntws channel yog tawg tag, thiab tawg nyooj yog daig hauv impeller; Cov raj xa dej tsis yog du, xws li cua hnab ris ntawm qhov hluav taws xob; Qhov Outlet Valve tau poob lossis tsis qhib; Muaj huab cua nkag ntawm cov dej inlet, tsis ncaj teb teb, thiab siab siab hloov pauv. Cov laj thawj no tuaj yeem ncaj qha los yog tsis ncaj ua kev co hauv cov twj thiab cov raj xa dej.
Bearings thiab lubrication
Lub ntsws ntawm cov kabmob yog tsawg dhau, uas tuaj yeem ua rau txo qis ntawm thawj qhov kev ceev nrawm thiab kev co. Tsis tas li ntawd, kev ua haujlwm tsis zoo ntawm cov kab ke ntawm cov kev coj ua rau cov coj tsis zoo, kev tshem tawm tsis zoo, thiab muaj kev cuam tshuam ntau ntawm cov xeeb khauj qab, uas tuaj yeem yooj yim ua rau kev co; Kev hnav cov kabmob hnyav thiab lwm cov kabmob dov yuav cuam tshuam txog qhov ntev thiab khoov cov kev tshee ntawm tus ncej. Lubrication tsis ua los ntawm kev xaiv tsis raug cai, lwj siab, ntau dhau los ntawm cov roj hmab roj hmab ntawm cov roj lubricating tuaj yeem ua rau tsis zoo ntawm cov kabmob ntawm cov kabmob thiab kev co. Tus kheej {3} zoo siab roj zaj duab xis ntawm zawv zawg cov kabmob ntawm lub tshuab hluav taws xob kuj tseem tuaj yeem tsim cov kev co.
Kev ntsuas kom txo qis kev co
Kev tshem tawm kev co los ntawm kev tsim qauv thiab cov txheej txheem tsim khoom
1) Axis tsim. Nce tus naj npawb ntawm kev txhawb nqa bearings rau kis tus kab mob, txo cov ncej ntev hauv cov khoom uas tsim nyog, nce lub Ncej qhov chaw ruaj khov, thiab nce tus ncej tawv; Thaum lub twj tso kua mis ncej ceev maj mam nce thiab cov txheej txheem lossis yog ib qho kev co ntau ntawm lub ntuj rotor, lub twj tso kua mis yuav npau taws heev. Yog li ntawd, hauv kev tsim qauv, lub ntuj ntau ntawm cov roj tsav yuav tsum zam cov feem ntawm lub cev muaj zog; Txhim kho kev tsim khoom zoo ntawm tus ncej, tiv thaiv kom tiv thaiv zoo eccentricity thiab ntau daim ntawv thiab ua haujlwm thev taus.
2) Xaiv cov zawv zawg bearings. Kev zawv zawg bearings uas tsis tas yuav muaj lubrication; Hauv cov twj siv tshuaj xws li kua hydrocarbons, zawv zawg cov ntaub ntawv cov khoom lag luam yuav tsum yog ua los ntawm tus kheej rau tus kheej {2} Lubrichite cov khoom, xws li polytetrosraethylene; Hauv cov dej kub tob, cov lus qhia li cov ntaub ntawv puv nrog cov khoom siv xws li polytetraflene, thiab nws cov qauv tsim, thiab nws cov qauv tsim kom ntseeg tau tias cov zawv zawg cov bearings; Kev sib txhuam cov khub nrog cov me ntsis sib txhuam coefficients, xws li M20Lk graphite khoom thiab hlau, yog siv nyob rau ntawm impeller se nplhaib thiab twj lub cev khi lub nplhaib; Txwv qhov nrawm tshaj plaws; Txhim kho cov kabmob muaj peev xwm ntawm lub plhaub kabmob thiab txhav ntawm cov kabmob ntawm cov kabmob.
3) Siv cov kev ntxhov siab ntxhov siab. Rau cov twj uas thauj cov dej kub, tus qauv tsim yuav tsum tso tawm cov kev ntxhov siab ntawm lub cev tso rau ntawm lub cev tso hluav taws xob ua kom tsis txhob muaj kev sib chwv hauv lub cev thiab lub cev muaj zog.
Kev ceev faj rau kev tsim hydraulic ntawm dej twj
1) Tsim nyog tsim qauv impeller thiab ntws channel ntawm cov dej twj tso kua mis kom txo cavitation thiab ntws sib cais sab hauv lub impeller; Cov qauv tsim nyog xaiv xws li pob zeb tus lej, hniav offlet lub kaum sab xis, hniav dav tawm, hniav dav, thiab cov hniav hluav taws xob tawm kom tshem tawm cov hump ntawm lub taub hau nkhaus; Qhov kev ncua deb ntawm qhov hluav taws xob ntawm lub twj tso kua mis ntawm lub taub mis tsis ntseeg yog ib qho kaum ntawm lub plawv ntawm qhov tsis sib haum, thiab lub siab pulfating yog tsawg; Qaij qhov hluav taws xob ntug ntawm cov hniav ntawm kaum sab xis ntawm kwv yees li 20 degrees los txo qhov cuam tshuam; Xyuas kom paub meej ntawm tus impeller thiab scelute; Txhim kho kev ua haujlwm ntawm lub twj tso kua mis. Nyob rau tib lub sijhawm, ua kom cov qauv tsim tawm ntawm lub twj tso kua mis lub qhov hluav taws xob channel thiab lwm cov kev sib cuam tshuam los txo cov kev co los ntawm kev poob hydraulic. Tsimnyog tsim qauv chanler ntawm ntu hauv lub theem hauv nruab nrab, txhim kho cov qauv kub, txo cov zog ruaj khov, thiab tseem txhim kho kev sib tw ntawm cov twj tso kua zog kev ua haujlwm.
2) Cavitation kev co yog ib feem tseem ceeb ntawm cov twj tso kua mis. Thaum cov pejxeem siab ntawm lub twj tso kua mis yog qis dua cov nyiaj siab ntawm cov dej sib tov, cavitation nrog kev co loj heev yuav tshwm sim. Cov kev ntsuas kom txo cov cavitation suav nrog qhov kev teeb tsa lub twj tso dej kom ntau dua qhov khoom siv tsawg dua ntawm cov twj tso kua mis; Kev tsim nyog ua kom cov cheeb tsam ntawm cov yeeb nkab hauv cov roj av, ua kom cov roj ntsha uas tau hloov pauv, thiab txhim kho cov pa hluav taws xob ntws; Txo cov naj npawb ntawm khoov thiab nce txoj kev tig ntawm lub raj xa dej; Txo qhov ua haujlwm nrawm ntawm cov taub dej; Siv cov ntaub ntawv uas tiv taus cavitation, xws li stainless hlau, lossis thov epoxy cob rau cov chaw mus rau cavitation; Tus qauv tsim ntawm cov inlet channel yuav tsum tsim nyog, ua rau lub ntsej muag zoo nkauj, ua kom muaj kev faib tawm ntawm cov impeller, thiab tsis txhob muaj qhov chaw qis qis {3} qhov chaw siab hauv zos; Txhim kho cov chaw tsim khoom thiab ua kom zoo kom tsis txhob muaj cov dej ntws ntau dhau los thiab lub siab poob los ntawm cov hniav tsis raug cai; Txhim kho kev tiv thaiv cavitation kev ua tau zoo ntawm lub taub hau roj, yog li ua kom lub taub hau roj hmab, ua kom nce lub cavitation ntawm lub tshuab tso kua mis; Nce cov geometric rov qab qhov siab; Txo lub taub hau poob ntawm qhov tso dej txuas ntxiv kom ntau li ntau tau; Kev nqus cov twj tso kua mis ob chav.
Cov ua rau cov twj tso kua mis muaj xws li cov khoom siv, hydraulic, thiab hluav taws xob vim li cas. Kev co tswj nkag siab txog kev siv tshuab, ua haujlwm ntawm cov khoom siv hydraulic, kev ua haujlwm ntawm cov khoom siv ntau yam, thiab kev ua haujlwm ntawm kev saib xyuas cov twj paj nruag. Hauv kev ua haujlwm ua haujlwm, tshem tawm kev co yuav tsum muaj kev sib txuam ntawm kev paub thiab kev ntsuas me me tsom nrog cov ntaub ntawv tau los ntawm cov twj paj nruag tshawb pom. Ntau ntau lub cev yuav raug tshem tawm los ntawm kev txhim kho kev tsim qauv thiab kev teeb tsa zoo, txhim kho kev ua haujlwm zoo, thiab ntxiv dag zog txhua hnub kev saib xyuas txhua hnub. With the development of new material technology and the emergence of new processes, as well as the advancement of electronic computer technology and numerical methods, and the basic theory of fluid mechanics, coupled with the rise and development of vibration and noise diagnosis technology, the design, use, and maintenance level of water pumps will surely thrive, and their performance will also become increasingly optimized, and their dynamic performance will become increasingly stable.