Indlela yokuklama amapayipi okushisa kagesi e-flange ukuze ahlangabezane nezidingo eziphakeme zamakhasimende ngaphansi kwezimo zengcindezi ephezulu?

Ukuze kuhlangatshezwane nezidingo eziphakeme zamakhasimende ngomfutho wamanzi nomfutho womoya ekwakhiweni kweamashubhu okushisa kagesi e-flange,ukulungiselelwa okuphelele kuyadingeka kusukela kubukhulu obuningi obunjengokukhethwa kwezinto, ukwakheka kwesakhiwo, inqubo yokukhiqiza, nokuqinisekiswa kokusebenza. Uhlelo oluqondile lumi kanje:

1,Ukukhetha impahla: Thuthukisa amandla acindezelayo kanye nesisekelo sokuvala

1. Ukukhethwa kwezinto eziyinhloko zamapayipi

Amandla aphezulu nezinto ezimelana nokugqwala zikhethwa ezimeni zokusebenza ezinomfutho ophezulu (umfutho wamanzi10MPa noma umfutho womoya6MPa), njenge:

Insimbi engagqwali engu-316L (imelana nemidiya edlayo evamile, amandla acindezelayo520MPa);

I-Incoloy 800 (imelana nokushisa okuphezulu, ukucindezela okuphezulu kanye ne-oxidation, ifanele indawo yokushisa ephezulu yokushisa, amandla okukhiqiza240MPa);

Ingxubevange ye-Titanium/Hastelloy alloy (yemidiya egqwala kakhulu nenengcindezi ephezulu njengamanzi olwandle nezisombululo ze-acid-base).

Ubukhulu bodonga lwepayipi bubalwa ngokuvumelana nezindinganiso ze-GB/T 151 Heat Exchanger noma i-ASME BPVC VIII-1, iqinisekisa ugqinsi lodonga20% (njengokubala ukujiya kodonga+0.5mm isici sokuphepha lapho ingcindezi yokusebenza ingu-15MPa).

2. Ukufaniswa kwe-flange ne-seal

Uhlobo lwe-Flange: Ezimweni zokucindezela okuphezulu, ama-flange welding wentamo (WNRF) noma ama- integral flange (IF) asetshenziswa, futhi indawo yokuvala ikhethwa njenge-mortise ne-tenon (TG) noma i-ring joint (RJ) ukunciphisa ingozi yokuvala ukuvuza kwendawo.

I-gasket yokuvala: Khetha i-gasket esongwe ngensimbi (enezindandatho zangaphakathi nangaphandle) (ukumelana nokucindezela25MPa) noma i-octagonal metal ring gasket (ingcindezi ephezulu kanye nokushisa okuphezulu, ukumelana nengcindezi40MPa) ngokuya nezici ze-medium. I-gasket material iyahambisana nezinto zamapayipi (ezifana ne-316L gasket ne-316L flange).

Ishubhu yokushisa ye-flange yangokwezifiso

2,Idizayini Yesakhiwo: Ukuqinisa Ingcindezi Nokwethenjelwa

1. Ukwenziwa ngcono kwesakhiwo semishini

Idizayini yokugoba: Gwema ukugoba i-engeli engakwesokudla futhi usebenzise irediyasi enkulu yokugoba (RI-3D, D ububanzi bepayipi) ukunciphisa ukugxila kwengcindezi; Uma ubeka amapayipi amaningi, asakazwa ngokulinganayo ukuze alinganise amandla e-radial.

Ukuqinisa isakhiwo: Engeza izindandatho zokusekela (isikhala1.5m) noma izinti zokumisa ezimaphakathi ezakhelwe endaweni eqondile endeithubhu yokushisa ukuvimbela ukuguqulwa komzimba we-tube ngaphansi kwengcindezi ephezulu; Ingxenye yokuxhuma phakathi kwe-flange nomzimba wepayipi ithatha indawo yoshintsho eqinile (i-gradient groove welding) ukuze kuthuthukiswe ukungezwani kwezinyembezi komthungo wokushisela.

2. Ukubekwa uphawu kanye nomklamo wokuxhumana

Inqubo ye-Welding: Umzimba wepayipi kanye ne-flange kufakwe ngokugcwele i-welded (njenge-TIG welding + filler wire), kanye nokuhlolwa kwe-X-ray engu-100% (RT) noma ukuhlolwa kokungena (PT) kwenziwa ngemva kokushisela ukuze kuqinisekiswe ukuthi i-weld seam ayinazo izimbotshana nokuqhekeka;

Usizo lokunweba: Ishubhu lokushintshanisa ukushisa lixhunywe kupuleti leshubhu kusetshenziswa inqubo embaxambili yokunwetshwa kwe-hydraulic kanye nokufaka uphawu lokushisela. Ingcindezi yokwandisakabili ingcindezi yokusebenza yokuvimbela ukuvuza okuphakathi kwezimbobo zamapuleti eshubhu.

I-tube yokushisa ene-Flanged

3,Inqubo yokukhiqiza: ukulawula okuqinile kokukhubazeka nokuvumelana

1. Ukulawulwa kokunemba komshini

Ukusikwa kwepayipi kusebenzisa ukusika kwe-laser/CNC, nobuso bokuphela perpendicularity0.1mm; i-flange yokuvala ubuso obumangelengeleI-Ra1.6μ m, iphutha lokusabalalisa iyunifomu yembobo yebholidi0.5mm, iqinisekisa amandla afanayo ngesikhathi sokufakwa.

Ukugcwaliswa kwe-Magnesium oxide powder: kusetshenziswa ubuchwepheshe be-vibration compaction, ukugcwalisa ukuminyana2.2g/cm³, ukuze kugwenywe ukushisa okweqile kwendawo noma ukwehluleka kokufakwa kwe-insulation okubangelwa izingxenye ezingenalutho (ukumelana ne-insulation100MΩ/500V).

2. Ukuhlolwa kokucindezeleka nokuqinisekisa

Ukuhlolwa kwangaphambi kwefekthri:

Ukuhlolwa kwe-Hydrostatic: Ukucindezela kokuhlola izikhathi ezingu-1.5 kokucindezela kokusebenza (njengokucindezela kokusebenza okungu-10 MPa kanye nokucindezela kokuhlola okungu-15 MPa), futhi akukho kwehla kwengcindezi ngemva kokubamba imizuzu engu-30;

Ukuhlolwa kwengcindezi (kusebenza emithonjeni yegesi): Ingcindezi yokuhlola iyiphinda izikhathi ezingu-1.1 ingcindezi yokusebenza, kuhlanganiswe nokutholwa kokuvuza kwe-helium mass spectrometry, nezinga lokuvuza1 × 10 ⁻⁹mbar· L/s.

Ukuhlola okulimazayo: Isampula isetshenziselwa ukuhlola ingcindezi yokuqhuma, futhi ingcindezi yokuqhuma kufanele ibeIphinda izikhathi ezi-3 ingcindezi yokusebenza ukuze uqinisekise imajini yokuphepha.

4,Ukuzijwayeza okusebenzayo: ukubhekana nezimo eziyinkimbinkimbi zokusebenza

1. Isinxephezelo sokunwetshwa kwe-thermal

Lapho ubude beishubhu lokufudumeza is 2m noma umehluko wezinga lokushisa uwukuthi100, ijoyinti lokunwetshwa kwe-waveform noma isigaba sokuxhuma esivumelana nezimo kufanele kufakwe ukuze kunxeshezelwe ukonakala kokushisa (inani lokunwetshwaΔ L=α L Δ T, laphoα i-coefficient ye-linear expansion coefficient) futhi ugweme ukwehluleka kokuvala i-flange okubangelwa ukucindezelwa komehluko wezinga lokushisa.

2. Ukulawulwa komthwalo ongaphezulu

Imithombo yezindaba enengcindezi ephezulu (ikakhulukazi amagesi) izwela ukushisa okweqile kwendawo futhi idinga ukuncishiswa komthwalo ongaphezulu (8W/cm²). Ngokwandisa inombolo noma ububanzi beithubhu yokushisas, ihlakaza ukuminyana kwamandla, nokuvimbela ukukala noma ukukhuphuka kwezinto ezibonakalayo (njengomthwalo ongaphezulu6W/cm² ngesikhathi sokushisa umusi).

3. Idizayini ehambelana nemidiya

Ngoketshezi olunomfutho ophezulu oqukethe izinhlayiya/ukungcola, isikrini sokuhlunga (ngokunemba kwe100 mesh) noma ikhava yomhlahlandlela kufanele ifakwe endaweni yokungena ishubhu lokufudumeza ukunciphisa ukuguguleka; Imidiya ebolayo idinga ukwelashwa okwengeziwe kokudlula/ukufafaza (njenge-polytetrafluoroethylene coating, ukumelana nezinga lokushisa260).

5,Umklamo ojwayelekile futhi owenziwe ngezifiso

Nikeza imibiko yezinto ezibonakalayo, ukufaneleka kwenqubo yokushisela (PQR), nemibiko yokuhlolwa kwengcindezi ngokuhambisana namazinga kazwelonke (GB 150 "Imikhumbi Yokucindezela", NB/T 47036 "Electric Heating Elements") noma izindinganiso zamazwe ngamazwe (ASME BPVC, PED 2014/68/EU).

Ukuze kuhlangatshezwane nezidingo ezikhethekile zamakhasimende (ezifana nokushisisa okunengcindezi ephezulu kwemishini ye-API 6A ye-wellhead kanye nokushisisa okuqinile kolwandle), sibambisana namakhasimende ukuze silingise izimo zokusebenza (ezifana nokuhlaziywa kwesici esinqunyelwe sokusatshalaliswa kwengcindezi kanye nokwenza kahle kwenkundla yokugeleza kwe-CFD) nokwenza ngokwezifiso ukucaciswa kwe-flange (njengama-flanges akhethekile anentambo nezinto ezimelana nesibabule).

finyeza

Ngenqubo egcwele yokwenza "isiqinisekiso samandla wezinto ezibonakalayoumklamo wokumelana nomthwalo wesakhiwoukulawulwa kokunemba kokukhiqizaukuhlola nokuqinisekisa iluphu evaliwe", theflange kagesi ukushisa tube ingafinyelela ukusebenza okuthembekile ngaphansi kwezimo eziphezulu ze-voltage. Okubalulekile ukulinganisa amandla okuthwala ingcindezi, ukusebenza kokuvala, nokuzinza kwesikhathi eside, kuyilapho kucatshangelwa izici zesimo sekhasimende (izinga lokushisa, ukubola, izinga lokugeleza) kumklamo oqondisiwe, ekugcineni kuhlangatshezwane nemfuneko yomkhawulo wokuphepha wokucindezela kwamanzi/ukucindezela komoya.Izikhathi ezingu-1.5 zamapharamitha wokuklama.

Uma ufuna ukwazi okwengeziwe ngomkhiqizo wethu, sicelaXhumana nathi!


Isikhathi sokuthumela: May-09-2025