1. Iingenelo eziphambili zeemeko zemibhobho yodaka
IiDoppler ultrasonic flowmetersZiyahluka kakhulu kwiindlela zokufaka iipayipi zedaka ngenxa yamandla amathathu. Okokuqala, uyilo lwazo lokubambelela olungenamthungo luthetha ukuba akukho zinto zingena kwipayipi, ziphepha ukuvaleka kwezinto eziqinileyo zedaka (ezifana nothuli, ii-flocs zendalo, okanye ifayibha) kwaye zinciphisa isidingo sokuqhaqha kunye nokucoca rhoqo. Okwesibini, zilungelelana kakuhle neempawu eziguquguqukayo zedaka—ngokungafaniyo neemitha ze-electromagnetic ezingasebenzi kakuhle ngedaka eliphantsi, okanye iimitha ze-turbine ezibuthathaka kwi-turbulence, ezi mitha ze-flowmeter zifuna kuphela amasuntswana abonakalayo aneleyo kwidaka ukuze zigcine ukuchaneka, nokuba ziintlobo ze-viscosity ephezulu. Okwesithathu, ii-transducers zazo zangaphandle zenziwe ngezinto ezimelana nokugqwala (umz., i-PTFE, i-ceramic), ezinokumelana nedaka le-acidic okanye le-alkaline kwimizi-mveliso, zandise ubomi bazo benkonzo ukuya kwiminyaka eyi-8-10, ixesha elide kakhulu kuneemitha ze-intrusive.
2. IiNdawo eziPhambili zoSetyenziso oluSebenzayo
Zisetyenziswa kakhulu kwiindawo ezintathu eziphambili ezinxulumene nodaka. Kwiindawo zokucocwa kwamanzi amdaka zikamasipala, zijonga ukuhamba kodaka kwiinqanaba eziphambili: ngexesha lokujiya, zinceda ukuphucula umthamo we-flocculant ngokulandelela ukungena kodaka oluluhlaza; ekugayweni, zilawula umthwalo we-anaerobic digester ngokulinganisa ukuhamba kodaka olugayiweyo (nokuba kukho amaqamza e-biogas); ekususeni amanzi, zilungisa iiparameter zokushicilela ngokujonga umatshini wokufaka udaka ongena kwiifilitha—umzekelo, isityalo saseBerlin siphucule ukuchaneka kokulinganisa ukuya kwi-±2% kwaye sinciphise ukugcinwa nge-70% emva kokusetyenziswa. Kwi-industrial sludge (umz., i-fiber-rich pulp mill sludge okanye i-oily petrochemical sludge), zisombulula imiba yokuvaleka ebangela iingxaki kwiimitha zemveli, ziqinisekisa ukusebenza okuqhubekayo. Zikwaxhasa ukusetyenziswa kwakhona kodaka, njengakwiiprojekthi ze-sludge-to-biogas, apho zilinganisa ukuhamba kodaka olugayiweyo ukuze kuphuculwe umlinganiselo wokuxuba we-sludge kunye nezinye izinto ezisetyenziswayo, okunyusa isivuno se-biogas.
3. Izikhokelo zoFakelo oluBalulekileyo
Ukufakelwa ngokufanelekileyo kubalulekile ekuqinisekiseni ukuchaneka komlinganiselo, kwaye kufuneka kuqatshelwe amanqaku amathathu. Okokuqala, khetha icandelo lombhobho othe tye: ubude obuphezulu kufuneka bube ubuncinane ngokuphindwe kalishumi kunobubanzi bombhobho, kwaye ubude obusezantsi kufuneka bube ubuncinane izihlandlo ezi-5, ukuze kuthintelwe ukuphazamiseka kokuhamba kwamanzi okuvela kwiingqiniba, iivalvu, okanye iipompo ezichaphazela ukuthembeka kwedatha. Okwesibini, beka ii-transducers ngokuchanekileyo: kwimibhobho ethe tye, zifake kwi-45°–90° ngaphezulu kombhobho osezantsi—oku kuthintela iipokotho zomoya (ezibangela ukubonakaliswa kwesignali okungalunganga) kunye nokuqokelelwa kwesediment (okuthintela ukuhanjiswa kwesignali); kwimibhobho ethe nkqo, qinisekisa ukuba i-sludge ihamba iye phezulu ukuze kugcinwe usasazo lwamasuntswana lufana. Okwesithathu, sebenzisa ii-coupling agents ezifanelekileyo: khetha iintlobo ezinobushushu obuphezulu kunye ne-oyile ukuqinisekisa unxibelelwano oluqinileyo phakathi kwee-transducers kunye nodonga lombhobho, ingakumbi kwimibhobho ethwala i-sludge enobushushu obuphezulu.
Isishwankathelo
IiDoppler ultrasonic flowmetersZilungele ukusetyenziswa kwemibhobho yodaka, kunye neenzuzo eziphambili zokulwa nokuvaleka, ukuzivumelanisa nezimo ngamandla, kunye nokumelana nokugqwala. Zidlala indima ebalulekileyo ekuphathweni kwamanzi amdaka kamasipala, ulawulo lodaka kwimizi-mveliso, kunye nokusetyenziswa kwakhona kodaka, ngelixa ukufakwa ngokufanelekileyo (kugxile ekukhetheni icandelo lombhobho, ukubeka i-transducer, kunye nokusetyenziswa kweearhente zokudibanisa) kuqinisekisa ukusebenza kwazo okuzinzileyo nokuchanekileyo. Ezi mpawu zizenza zibe sisisombululo esithembekileyo sokujongana nemingeni yokulinganisa ukuhamba kodaka.
Ixesha lokuthumela: Agasti-29-2025