Kev ua haujlwm tsis zoo ntawm lub tshuab hluav taws xob hydro thiab nws txoj kev kho mob

Tso zis poob ntawm hydro generator
(1) Ua rau
Nyob rau hauv cov xwm txheej ntawm lub taub hau dej tas li, thaum cov lus qhia vane qhib tau mus txog qhov tsis muaj qhov qhib qhib, tab sis lub turbine tsis ncav cuag qhov ntsuas ceev, lossis thaum cov lus qhia vane qhib ntau dua li qhov qub ntawm tib cov zis, nws raug txiav txim siab. tias cov zis tso zis txo qis.Lub ntsiab yog vim li cas rau qhov txo ntawm cov zis yog raws li nram no: 1. Flow ntawm hydraulic turbine;2. Hydraulic poob ntawm hydraulic turbine;3. Mechanical poob ntawm hydraulic turbine.
(2) kov

1. Nyob rau hauv cov xwm txheej ntawm chav ua haujlwm lossis kaw, qhov tob tob ntawm cov raj xa dej yuav tsum tsis pub tsawg dua 300mm (tshwj tsis yog impulse turbine).2. Ua tib zoo saib xyuas cov dej ntws los yog tawm kom cov dej ntws sib npaug thiab tsis muaj kev cuam tshuam.3. Cia tus khiav khiav hauv ib txwm muaj thiab kaw rau kev tshuaj xyuas thiab kho thaum muaj suab nrov.4. Rau axial flow fixed hniav turbine, yog hais tias lub chav tsev tso zis poob dheev thiab lub vibration intensifies, nws yuav tsum raug kaw tam sim ntawd rau kev soj ntsuam.
2, Unit bearing ncoo kub nce sharply
(1) Ua rau
Muaj ob hom turbine bearings: coj bearing thiab thrust bearing.Cov xwm txheej los xyuas kom meej qhov kev ua haujlwm ib txwm muaj ntawm cov kabmob yog kev txhim kho kom raug, lubrication zoo thiab ib txwm muab cov dej txias.Lubrication txoj kev feem ntau muaj xws li dej lubrication, nyias roj lubrication thiab qhuav lubrication.Cov laj thawj rau qhov nce siab ntawm cov ncej kub yog raws li hauv qab no: ua ntej, kev teeb tsa cov kabmob tsis zoo lossis cov kabmob hnav;Thib ob, lubricating roj system tsis ua haujlwm;Thib peb, daim ntawv lo roj lubricating tsis sib xws lossis cov roj tsis zoo;Plaub, qhov dej txias qhov system tsis ua haujlwm;Thib tsib, chav tsev vibrates vim qee qhov laj thawj;Thib rau, cov roj theem ntawm cov kabmob qis dhau vim yog cov roj to.
(2) kov
1. Rau cov dej lubricated bearings, cov dej lubricating yuav tsum tau lim nruj kom ntseeg tau cov dej zoo.Cov dej yuav tsum tsis txhob muaj cov khib nyiab thiab cov roj ntau ntau kom txo tau qhov hnav ntawm cov kabmob thiab kev laus ntawm cov roj hmab.
2. Nyias roj lubricated bearings feem ntau txais nws tus kheej ncig, nrog roj slinger thiab thrust disc.Lawv tig los ntawm chav tsev thiab muab cov roj los ntawm nws tus kheej ncig.Ua tib zoo saib xyuas qhov ua haujlwm ntawm cov roj slinger.Cov roj slinger yuav tsum tsis txhob daig.Cov roj muab rau lub thrust disc thiab cov roj theem ntawm lub mail roj tank yuav tsum yog theem.
3. Lubricate cov kabmob nrog cov roj qhuav.Ua tib zoo saib seb qhov kev qhia tshwj xeeb ntawm cov roj qhuav yog raws li cov roj bearing thiab seb cov roj zoo puas zoo.Ntxiv roj tsis tu ncua los xyuas kom meej tias cov kabmob clearance yog 1/3 ~ 2/5.
4. Cov khoom sib khi ntawm cov kabmob thiab cov kav dej txias yuav tsum tsis txhob ua kom cov dej siab thiab cov plua plav nkag mus rau hauv cov kabmob thiab ua rau lub cev lubrication ntawm cov kabmob.
5. Lub installation clearance ntawm lubricating bearing muaj feem xyuam rau chav tsev siab, linear ceev ntawm kev sib hloov, lubrication hom, roj viscosity, cov khoom ua, installation raug thiab vibration ntawm chav tsev.

3, Chav tsev vibration
(1) Mechanical vibration, vibration los ntawm mechanical vim li cas.
vim li cas;Ua ntej, hydraulic turbine yog biased;Qhov thib ob, qhov chaw nruab nrab ntawm cov dej turbine thiab lub tshuab hluav taws xob tsis raug thiab qhov kev sib txuas tsis zoo;Thib peb, cov kabmob muaj qhov tsis xws luag lossis kev hloov kho tsis raug, tshwj xeeb tshaj yog qhov kev tshem tawm loj dhau;Plaub, muaj kev sib txhuam thiab kev sib tsoo ntawm qhov sib hloov thiab qhov chaw ruaj khov
(2) Hydraulic kev co, kev vibration ntawm chav tsev tshwm sim los ntawm qhov tsis sib xws ntawm cov dej ntws mus rau hauv tus khiav
Yog vim li cas: ua ntej, cov lus qhia vane puas lawm thiab lub ntsia liaj qhov rooj yog tawg, ua rau sib txawv ntawm qhov qhib ntawm lub vane thiab dej tsis sib xws nyob ib ncig ntawm tus khiav;Qhov thib ob, muaj sundries nyob rau hauv lub volute los yog tus khiav yog thaiv los ntawm sundries, thiaj li hais tias cov dej ntws nyob ib ncig ntawm tus khiav yog uneven;Thib peb, cov dej ntws hauv cov raj xa dej tsis ruaj khov, ua rau lub sijhawm hloov pauv ntawm cov dej siab ntawm lub raj xa dej, lossis cua nkag mus rau hauv cov ntaub ntawv kauv ntawm hydraulic turbine, ua rau kev vibration ntawm chav tsev thiab lub suab nrov ntawm cov dej ntws.
(3) Kev co hluav taws xob yog hais txog kev vibration ntawm chav tsev uas tshwm sim los ntawm qhov tsis sib npaug lossis kev hloov pauv ntawm hluav taws xob tam sim ntawd.
Yog vim li cas: ua ntej, peb-theem tam sim no ntawm lub tshuab hluav taws xob yog qhov tsis sib npaug.Vim qhov tsis sib xws tam sim no, peb-theem electromagnetic quab yuam tsis sib npaug;Qhov thib ob, qhov hloov pauv tam sim no los ntawm kev sib tsoo hluav taws xob ua rau lub sijhawm tsis sib xws ntawm lub tshuab hluav taws xob ceev thiab lub tshuab hluav taws xob;Thib peb, qhov sib txawv tsis sib xws ntawm stator thiab rotor ua rau qhov tsis ruaj khov ntawm rotating magnetic teb.
(4) Cavitation vibration, chav tsev vibration tshwm sim los ntawm cavitation.
Yog vim li cas: ua ntej, lub amplitude ntawm kev co tshwm sim los ntawm hydraulic imbalance tsub kom nrog qhov nce ntawm ntws;Qhov thib ob, qhov kev vibration tshwm sim los ntawm kev sib tw khiav tsis zoo, kev sib txuas tsis zoo thiab eccentricity, thiab qhov amplitude nce ntxiv nrog kev nce ntawm kev sib hloov ceev;Qhov thib peb yog kev vibration los ntawm lub tshuab hluav taws xob.Lub amplitude nce nrog qhov nce ntawm excitation tam sim no.Thaum lub excitation raug tshem tawm, qhov kev vibration tuaj yeem ploj mus;Qhov thib plaub yog kev vibration los ntawm cavitation yaig.Nws amplitude muaj feem xyuam rau lub regionality ntawm lub load, qee zaum cuam tshuam thiab qee zaum ua phem.Nyob rau tib lub sijhawm, muaj lub suab nrov hauv lub raj cua ntsawj ntshab, thiab tuaj yeem ua viav vias ntawm lub tshuab nqus tsev ntsuas.

4, Cov kabmob ntsuas kub ntawm chav tsev nce thiab siab dhau
(1) Ua rau
1. Vim li cas rau kev saib xyuas thiab kev teeb tsa: kev xau ntawm cov roj phiab, qhov chaw tsis raug ntawm lub pitot tube, qhov tsis zoo ntawm cov pobzeb sib txawv, qhov txawv txav ntawm chav tsev vibration los ntawm kev txhim kho zoo, thiab lwm yam;
2. Kev ua haujlwm yog vim li cas: kev khiav hauj lwm hauv cheeb tsam vibration, tsis ua raws li qhov txawv txav ntawm cov roj bearing zoo thiab qib roj, tsis ntxiv cov roj hauv lub sijhawm, tsis ua raws li kev cuam tshuam ntawm cov dej txias thiab cov dej ntim tsis txaus, uas ua rau lub sij hawm tsis zoo. ceev ua haujlwm ntawm lub tshuab, thiab lwm yam.
(2) kov
1. Thaum cov kabmob kub nce, ua ntej xyuas cov roj lubricating, ntxiv cov roj ntxiv rau lub sijhawm lossis tiv tauj los hloov cov roj;Kho cov dej txias txias los yog hloov cov khoom siv dej;Kuaj seb lub vibration viav vias ntawm chav tsev tshaj li tus qauv.Yog tias qhov kev vibration tsis tuaj yeem raug tshem tawm, nws yuav tsum raug kaw;
2. Nyob rau hauv cov ntaub ntawv ntawm qhov hluav taws xob tiv thaiv qhov kub thiab txias, saib xyuas seb lub kaw lus puas zoo li qub thiab xyuas seb cov bearing bush puas raug hlawv.Thaum lub Bush yog hlawv, hloov nws nrog ib tug tshiab Bush los yog zom nws dua.

forster turbine5

5, Kev tswj ceev ceev tsis ua haujlwm
Thaum tus tswv xeev qhib tag nrho, tus neeg khiav dej num tsis tuaj yeem nres kom txog thaum cov lus qhia qhib qhov qhib tsis tuaj yeem tswj tau zoo.Qhov xwm txheej no yog hu ua kev tswj ceev tsis ua haujlwm.Yog vim li cas: ua ntej, kev sib txuas ntawm phau ntawv qhia vane yog khoov, uas tsis tuaj yeem tswj tau qhov qhib ntawm phau ntawv qhia vane, kom cov lus qhia vane tsis tuaj yeem raug kaw, thiab lub tsev tsis tuaj yeem nres.Nws yuav tsum raug sau tseg tias qee qhov me me tsis muaj cov khoom siv braking, thiab lub tsev tsis tuaj yeem nres ib pliag raws li qhov kev txiav txim ntawm inertia.Lub sijhawm no, tsis txhob yuam kev tias nws tsis tau raug kaw.Yog tias koj txuas ntxiv kaw qhov kev taw qhia vane, qhov txuas txuas yuav raug khoov.Qhov thib ob, qhov tsis ua tiav ntawm kev tswj hwm kev ceev yog tshwm sim los ntawm kev tsis ua haujlwm ntawm tus tswv xeev tsis siv neeg.Nyob rau hauv cov ntaub ntawv ntawm kev ua haujlwm txawv txav ntawm chav dej turbine, tshwj xeeb tshaj yog thaum muaj kev kub ntxhov rau kev ua haujlwm nyab xeeb ntawm chav tsev, sim nres lub tshuab tam sim rau kev kho mob.NW nyuam qhuav khiav yuav tsuas nthuav qhov txhaum.Yog tias tus tswv xeev ua tsis tiav thiab cov lus qhia qhib lub tshuab tsis tuaj yeem nres, lub ntsiab valve ntawm lub turbine yuav tsum tau siv los txiav cov dej ntws mus rau hauv lub turbine.
Lwm txoj kev kho mob: 1. Tsis tu ncua ntxuav lub sundries ntawm cov dej qhia mechanism, kom nws huv si, thiab tsis tu ncua refuel lub movable qhov chaw;2. Cov khib nyiab khib nyiab yuav tsum tau muab tso rau ntawm qhov nkag thiab ntxuav ntau zaus;3. Rau cov hydraulic turbine nrog rau txhua lub tsheb, xyuam xim rau lub sij hawm hloov lub nres nres thiab ntxiv cov roj nres.






Post lub sij hawm: Oct-18-2021

Tso koj cov lus:

Xa koj cov lus rau peb:

Sau koj cov lus ntawm no thiab xa tuaj rau peb