1. Ua rau cavitation hauv turbines
Cov laj thawj rau qhov cavitation ntawm lub turbine yog qhov nyuaj. Qhov kev faib tawm ntawm lub siab hauv lub turbine khiav tsis sib npaug. Piv txwv li, yog tias lub khiav tau teeb tsa siab dhau piv rau qib dej hauv qab, thaum cov dej ceev ceev ntws los ntawm thaj chaw qis qis, nws yooj yim mus txog qhov siab vaporization thiab tsim cov npuas. Thaum cov dej ntws mus rau thaj chaw siab, vim yog qhov nce ntawm qhov siab, cov npuas dej condense, thiab cov khoom me me ntawm cov dej ntws ntaus nruab nrab ntawm cov npuas ntawm qhov ceev ceev kom sau cov voids tsim los ntawm cov condensation, ua rau muaj kev cuam tshuam hydraulic zoo thiab electrochemical kev ua, ua rau lub hniav raug eroded los tsim cov qhov thiab honeycomb pores, thiab txawm tias nkag mus rau hauv cov qhov. Cavitation kev puas tsuaj tuaj yeem ua rau cov khoom siv ua haujlwm tsawg dua lossis txawm tias kev puas tsuaj, ua rau muaj kev cuam tshuam loj heev thiab kev cuam tshuam.
2. Kev Taw Qhia Txog Cov Ntaub Ntawv ntawm Turbine Cavitation
Txij li thaum lub tshuab raj turbine ntawm lub chaw nres tsheb hydropower tau muab tso rau hauv kev ua haujlwm, muaj teeb meem cavitation hauv lub chamber khiav, feem ntau yog nyob rau hauv lub chamber khiav ntawm qhov nkag thiab qhov tawm ntawm tib lub hniav, tsim cov hnab cua txij li 200mm hauv qhov dav thiab 1-6mm hauv qhov tob. Lub cheeb tsam cavitation thoob plaws lub voj voog, tshwj xeeb tshaj yog sab saud ntawm lub chamber khiav, yog qhov pom tseeb dua, thiab qhov tob cavitation yog 10-20mm. Txawm hais tias lub tuam txhab tau siv cov txheej txheem xws li kho vuam, nws tsis tau tswj hwm qhov xwm txheej cavitation zoo. Thiab nrog rau kev nce qib ntawm lub sijhawm, ntau lub tuam txhab tau maj mam tshem tawm txoj kev saib xyuas ib txwm muaj no, yog li cov kev daws teeb meem ceev thiab zoo yog dab tsi?
Tam sim no, cov thev naus laus zis khoom siv Soleil carbon nano-polymer tau siv dav los tswj cov xwm txheej cavitation ntawm dej turbine. Cov khoom siv no yog cov khoom siv sib xyaw ua ke uas tsim los ntawm cov khoom siv ua haujlwm siab thiab cov khoom siv carbon nano-inorganic los ntawm kev siv tshuab polymerization. Nws tuaj yeem lo rau ntau yam hlau, pob zeb, iav, PVC, roj hmab thiab lwm yam khoom siv. Tom qab cov khoom siv tau thov rau ntawm qhov chaw ntawm lub turbine, nws tsis tsuas yog muaj cov yam ntxwv ntawm kev sib npaug zoo, tab sis kuj muaj qhov zoo ntawm qhov hnyav sib dua, kev tiv thaiv corrosion, kev tiv thaiv hnav, thiab lwm yam, uas yog qhov zoo rau kev ua haujlwm ruaj khov ntawm lub turbine. Tshwj xeeb tshaj yog rau cov khoom siv tig, cov txiaj ntsig txuag hluav taws xob yuav zoo dua tom qab sib xyaw rau ntawm qhov chaw, thiab qhov teeb meem poob hluav taws xob yuav raug tswj.
Qhov thib peb, qhov kev daws teeb meem rau qhov cavitation ntawm lub turbine
1. Ua kom cov roj pleev ntawm qhov chaw degreasing, ua ntej siv cov pa roj carbon arc cua gouging los npaj cov txheej cavitation, thiab tshem tawm cov txheej hlau xoob;
2. Tom qab ntawd siv xuab zeb los tshem tawm xeb;
3. Sib phim thiab siv cov khoom siv carbon nano-polymer, thiab khawb raws li qhov ntsuas nrog tus pas ntsuas qauv;
4. Cov khoom siv kho kom zoo kom paub tseeb tias cov khoom siv kho kom zoo;
5. Xyuas qhov chaw kho thiab ua kom nws sib xws nrog qhov loj me piv txwv.
Lub sijhawm tshaj tawm: Lub Peb Hlis-08-2022
