Iimpawu zemitha yokuhamba kweVortex

Ingalinganisa iintlobo ezintathu zemidiya kuquka ulwelo, iigesi, kunye nomphunga ogcweleyo/oshushu kakhulu jikelele. Ifanelekile kumanzi okupholisa kwimizi-mveliso, izinyibilikisi zeekhemikhali, igesi yendalo, umoya ocinezelweyo, kunye nomphunga kwimizi-mveliso, isusa imfuneko yeemitha ezahlukeneyo zolwelo olwahlukeneyo kwaye inciphisa iindleko zokuthenga nokulawula zabathengi.

Akukho zixhobo zishukumayo ngaphakathi kwimitha. Izinto eziphambili ziyimizimba ye-bluff ezinzileyo kunye neesensa, ezithintela ngokupheleleyo iingxaki ezifana nokuguguleka kwe-impeller, ukungcola, kunye nokuvaleka kwemitha yokuhamba kwesiqhelo. Akufuneki ukuba ikhutshwe kwaye ihlanjululwe rhoqo phantsi kweemeko zokusebenza eziqhelekileyo, kodwa kufuneka ihlolwe rhoqo iingcingo zesensa. Ubomi benkonzo bungadlula iminyaka eli-10, nto leyo enciphisa kakhulu iindleko zokugcinwa kwexesha elide.

Ngokusekelwe kumgaqo weKarman Vortex Street, ukuchaneka komlinganiselo (±1.0%FS – ±1.5%FS) kuxhomekeke kakhulu kwi-vortex frequency kwaye akuchatshazelwa kukuguquguquka kobuninzi bolwelo, uxinzelelo, okanye ubushushu ngaphakathi koluhlu oluthile. Uyilo oluvaliweyo lwendlu yemitha kunye nesensor lumelana nokuphazamiseka kwe-electromagnetic, uthuli, kunye nokufuma kwiindawo zoshishino, okuqinisekisa ukuphindaphindwa komlinganiselo okugqwesileyo.

Umlinganiselo wokujika ufikelela kwi-1:10 ukuya kwi-1:20, efanelekileyo kwiimeko ezinokuguquguquka okukhulu kokuhamba kwamanzi (njengokondla i-chemical reactor kunye nokulungiswa komthwalo webhoyila ngomphunga). Ii-calibers eziqhelekileyo zigubungela i-DN15 - DN300, kwaye iimodeli ezinkulu ezenziwe ngokwezifiso (ukuya kuthi ga kwi-DN600) ziyafumaneka ukuhlangabezana neemfuno zokulinganisa zombini iipayipi ezincinci kunye neepayipi ezinkulu zoshishino.

Umzimba we-bluff usebenzisa uyilo olucwangcisiweyo, nto leyo ebangela ukumelana nolwelo oluphantsi xa udlula. Ukulahleka koxinzelelo lwayo kuphantsi kakhulu kunokweemitha zokuhamba kwe-orifice kunye neemitha zokuhamba kwe-turbine. Olu phawu lunciphisa ukusetyenziswa kwamandla kwenkqubo yokuthutha imibhobho, ingakumbi kwimibhobho emikhulu yemizi-mveliso, kwaye lunciphisa kakhulu umthwalo wokusebenza kwezixhobo zamandla ezifana neempompo zamanzi kunye neefeni, ukuhlangabezana neemfuno zokonga umbane kunye nokukhuselwa kokusingqongileyo.

Ixhasa iindlela ezininzi zokufakela kuquka uqhagamshelo lweflange kunye ne-clamp-on. Ineemfuno ezikhululekileyo zamacandelo eepayipi ezithe tye eziphezulu nezisezantsi (ngesiqhelo i-10D phezulu kunye ne-5D ngezantsi), ezifanelekileyo kwiindawo zoshishino ezinesithuba esincinci. Izinto zemitha zingenziwa ngokwezifiso ngokuguquguqukayo: umzimba ufumaneka ngentsimbi yekhabhoni, intsimbi engagqwaliyo ye-316L, iHastelloy, njl.njl., kwaye umzimba we-bluff ungenziwa nge-titanium alloy okanye i-ceramic, enokumelana nobushushu obuphezulu, uxinzelelo oluphezulu, kunye nemidiya erhabaxa, ilungelelanisa nobushushu obuphakathi kwe--40℃ - 400℃ kunye noxinzelelo olusebenzayo lwe-PN1.6 - PN4.0MPa.

Iimitha zokuhamba zevortex zanamhlanje zidityaniswa kakhulu nee-converters ezikrelekrele, ezixhasa isignali ye-analog ye-4 - 20mA kunye ne-pulse signal output. Ziyahambelana neenkqubo zonxibelelwano lwemizi-mveliso ezifana neMODBUS, HART, kunye neProfibus, kwaye zinokuqhagamshela ngaphandle komthungo kwiinkqubo zolawulo lwe-PLC kunye ne-DCS, zifezekisa ukujonga ngexesha langempela, uthumelo olukude, kunye nolawulo oluphakathi lwedatha yokuhamba ukuze kuhlangatyezwane neemfuno zemveliso yemizi-mveliso ezenzekelayo.