1. Incazelo
Imitha yokugeleza kwe-vortex iyithuluzi lokulinganisa ukugeleza kohlobo lwemvamisa elisekelwe kusimiso se-Karman Vortex Street. Lilinganisa izinga lokugeleza koketshezi ngokuthola imvamisa yama-vortices akhiqizwa lapho uketshezi ludlula emzimbeni we-bluff (i-vortex generator) epayipini. Liyithuluzi elingathintani, elingenasondlo elisetshenziswa kakhulu ekulawuleni inqubo yezimboni, elifanele ukukala amagesi, uketshezi, kanye nomusi.
2. Isimiso Sokusebenza
Uma uketshezi oluzinzile lugeleza emzimbeni we-bluff ofakwe emzimbeni wemitha, kukhiqizwa ama-vortices ashintshanayo kuzo zombili izinhlangothi zomzimba we-bluff—lesi simo sibizwa ngokuthi i-Karman Vortex Street. Imvamisa yokuchitheka kwe-vortex ilingana ngqo nejubane loketshezi (futhi ayihlobene nobuningi boketshezi, ingcindezi, kanye nokushisa ngaphakathi kobubanzi obuthile). Inzwa eyakhelwe ngaphakathi (i-piezoelectric noma i-capacitive) ithola izinguquko zokucindezela ezibangelwa ukuchitheka kwe-vortex, iziguqule zibe izimpawu zikagesi, futhi i-converter ibala izinga lokugeleza okusheshayo kanye nezinga lokugeleza elihlanganisiwe ngokusekelwe kumvamisa we-vortex.
3. Izici Eziyinhloko
- Ukuzivumelanisa Nokuguquguquka Koketshezi Olubanzi: Kufanelekile ukulinganisa uketshezi, amagesi, kanye nomusi ogcwele/oshisayo kakhulu, kususa isidingo samamitha ahlukene emidiya ehlukene, kunciphisa izindleko zokuthenga kwamakhasimende.
- Ukuqina Kokulinganisa Okuphezulu Nokuphazamiseka Okuphansi: Umgomo wokulinganisa ulula futhi uthembekile, awunazo izingxenye ezihambayo ngaphakathi komzimba wemitha, ugwema ukuguguleka, ukungcola, nokuvaleka. Unamandla aqinile okulwa nokuphazamiseka ekulweni nokushisa kwangaphandle kanye nokushintshashintsha kwengcindezi.
- Ibanga Lokugeleza Okubanzi kanye Nokumbozwa Kwe-Caliber: Isilinganiso sokujika singafinyelela ku-1:10 kuya ku-1:20, sivumelane nokuguquguquka okukhulu kokugeleza. Ama-caliber ajwayelekile asukela ku-DN15 kuya ku-DN300, anamamodeli amakhulu enziwe ngokwezifiso (afinyelela ku-DN600) atholakalayo ezimweni zokugeleza okukhulu kwezimboni.
- Ukulahlekelwa Umfutho Ophansi Nokonga Amandla: Umklamo womzimba we-bluff ohlelekile unciphisa ukumelana noketshezi, okuholela ekulahlekelweni komfutho okuphansi uma kuqhathaniswa namamitha okugeleza e-turbine noma e-orifice, okusiza amakhasimende ukunciphisa ukusetshenziswa kwamandla epayipi.
- Isakhiwo Esilula Nempilo Yesevisi Ende: Izingxenye zangaphakathi ezimbalwa, amandla aphezulu omshini, kanye nezinto ezingagugi (njengensimbi engagqwali engu-316L, i-Hastelloy) yomzimba oluhlaza okwesibhakabhaka kanye nomzimba wemitha. Isikhathi senkonzo yezingxenye ezibalulekile sidlula iminyaka eyi-10 ngaphansi kwezimo zokusebenza ezijwayelekile.
4. Izimo Ezifanele Zoketshezi Nezokusetshenziswa
- Uketshezi: Amanzi ahlanzekile, izinyibilikisi zamakhemikhali, imikhiqizo kaphethiloli, amanzi okupholisa, kanye nezinye izinto eziwuketshezi eziqinile, ezingaboli/eziboli kalula.
- Amagesi: Igesi yemvelo, umoya ocindezelwe, i-nitrogen, i-oxygen, igesi yolwelwesi, kanye namanye amagesi omile, ahlanzekile.
- Umusi: Umusi ogcwele kanye nomusi oshisayo kakhulu ovame ukusetshenziswa ekukhiqizweni kwezimboni.
- Izinkambu Eziyinhloko Zokusebenza: Uphethiloli kanye ne-petrochemical, imboni yamakhemikhali, ukukhiqizwa kukagesi, i-metallurgy, ukushisa kanye nokungenisa umoya, ukwelashwa kwamanzi, kanye nokudla neziphuzo. Kuthandwa kakhulu ekulinganisweni komusi webhoyila kanye namaphrojekthi okulawula ukugeleza kwamapayipi ezimboni.
5. Ulwazi Oluyinhloko Lokuhweba Kwangaphandle (Izitifiketi Nezinketho Zezinto Ezibalulekile)
- Izitifiketi Zamazwe Ngamazwe: Zihambisana nezindinganiso zamazwe ngamazwe ezifana ne-ISO 9001, CE, ATEX (isitifiketi esingavimbeli ukuqhuma kwezindawo eziyingozi), i-UL (imakethe yaseNyakatho Melika), kanye ne-PED (i-EU Pressure Equipment Directive), okuqinisekisa ukufinyelela okushelelayo ezimakethe zomhlaba wonke.
- Ukwenza Ngokwezifiso Izinto: Umzimba wemitha utholakala ngensimbi yekhabhoni, insimbi engagqwali engu-316L, kanye neHastelloy; umzimba we-bluff ungenziwa ngezifiso nge-titanium alloy noma izinto ze-ceramic ukuze uzivumelanise nemidiya egqwalayo noma eshisa kakhulu emazweni nasezifundeni ezahlukene.
- Ukukhipha Nokuxhumana: Isekela imiphumela ejwayelekile yesignali (4-20mA, i-pulse) kanye nezinqubo zokuxhumana (MODBUS, HART, Profibus), ehambisana nezinhlelo zokulawula zezimboni ezivamile eYurophu, eMelika, naseNingizimu-mpumalanga ye-Asia.
Isikhathi sokuthunyelwe: Novemba-23-2025