Sihlola ikhono lobunjiniyela, ukusebenza kokufakwa kwe-vacuum kanye nokuzinza kwesistimu yesikhathi eside ngaphansi kwezimo zokusebenza zangempela ze-EPC ukuze sikhethe umhlinzeki wemishini ye-cryogenic othembekile. "Empeleni, sikhetha abahlinzeki abangahlinzeka ngezinhlelo zokudlulisa ze-cryogenic eziphelele, ezihlanganisiwe, hhayi izingxenye kuphela, ezisebenza kahle kakhulu ekusetshenzisweni kwegesi yezimboni, i-LNG kanye ne-semiconductor," esho.
Kumaphrojekthi e-EPC, ukukhethwa kwabaphakeli kuyisinqumo sobunjiniyela besistimu hhayi ukuqhathanisa ukuthengwa. Umphakeli onekhono lobuchwepheshe kumele abonise ukuthi unokulawula ukunciphisa ukuvuza kokushisa, ukuqina kwe-vacuum, ubuqotho bomshini kanye nokuthembeka komjikelezo wokuphila kuzo zonke izixhumi ze-cryogenic.
Iziqu zomhlinzeki ziyinkinga yobunjiniyela bezinga lesistimu kwa-HL Cryogenics. Sibheka umsebenzi wengxenye ngayinye yengqalasizinda ephelele ye-cryogenic, hhayi njengezingxenye ezihlukene.
Umkhawulo omkhulu wokusebenza kwanoma yiluphi uhlelo lokudlulisa oluyi-cryogenic ukungena kokushisa. Amanani amancane okuvuza kokushisa abangela ukulahlekelwa okukhulu kokuhwamuka, ukuguquguquka kwengcindezi kanye nokusebenza kahle kohlelo okuncishisiwe.
Yingakho sikhiqiza futhi sinjiniyelaIpayipi Elifakwe Umshini Wokuhlanza, Ipayipi Eliguquguqukayo Elifakwe Umshini Wokufudumeza, futhiI-Vacuum Insulated Valveukuhlanganiswa okunokulawula okuqinile kwekhwalithi ye-vacuum annular, ubuningi bokufudumeza obunezingqimba eziningi, kanye nokunciphisa ibhuloho lokushisa lensimbi engagqwali.
Uhlelo lwamapayipi acwebezelayo, oluklanywe kahle, lunganciphisa ukuvuza kokushisa ngamaphesenti angaphezu kuka-80-90 uma kuqhathaniswa namapayipi avamile afakwe umswakama. Luthuthukisa ngqo ukuzinza kwezinhlelo ze-nitrogen ewuketshezi, ukusebenza kahle kokudluliselwa kwe-LNG kanye nokunemba kokulethwa kwegesi yezimboni.
Amaqembu ethu obunjiniyela alinganisa ukuhanjiswa kokushisa, amazinga okubola kwe-vacuum kanye nokuziphatha kokufinyela kwezinto zokusebenza kusukela ku--196°C (i-nitrogen ewuketshezi) kuya ku--253°C (i-hydrogen ewuketshezi).
Okuqukethwe
1. Isici Sokukhetha Ukhiye 1: Ukuzinza Kwesistimu Yokuhlanza Ngokuhamba Kwesikhathi
2. Isici Sokukhetha Ukhiye 2: Ukuhlanganiswa Kwezingxenye Zezinga Lesistimu
3. Indlela Yokukhetha Okuyinhloko 3: Ukulawulwa Kobunjiniyela Bokuziphatha Kwesigaba
4. Indlela Yokukhetha Okubalulekile 4: Ukuhambisana Nezindinganiso Zobunjiniyela Zomhlaba Wonke
●Isici Sokukhetha Okuyinhloko 1: Ukuzinza Kwesistimu Yokuhlanza Ngokuhamba Kwesikhathi
Umbuzo omkhulu ngabaphakeli ulula: ingabe i-vacuum iyaqhubeka iqinile ngemva kokuqala, noma cha?
Sithembele ku-Uhlelo Lwephampu Yokupompa I-Dynamicukugcina i-vacuum iqinile ezindaweni ezinkulu ezisebenzisa i-cryogenic. Izinhlelo eziqinile zihlala lapho, kodwa ukupompa okunamandla kuyaqhubeka nokusebenza—ukuxosha ukuvuza okuncane, ukusingatha ukuphuma kwegesi, kanye nokubhekana nakho konke ukucindezeleka okuvela emijikelezweni yokushisa.
Ngale ndlela, empeleni sigcina amazinga e-vacuum engaphansi kuka-10⁻³ mbar lapho kubaluleke khona kakhulu. Uthola ukuvuza okuncane kokushisa, ngisho neminyaka edlule. Ngaphezu kwalokho, ukuthembeka kokusebenza okuqhubekayo kwe-LNG kanye namanethiwekhi amakhulu egesi kuyanda ngempela.
Kumaphrojekthi e-EPC, lokhu kusho ukuvalwa okuncane kokulungisa. Ngokuhamba kwesikhathi, yonke imisebenzi isebenza kahle futhi ibiza kancane.
●Isici Sokukhetha Okuyinhloko 2: Ukuhlanganiswa Kwezingxenye Zezinga Lesistimu
NgokuhlanganisaUhlelo Lwephampu Yokupompa I-Dynamic, I-Vacuum Insulated Valve, futhiIsihlukanisi Sesigaba, sikunikeza isethaphu esihambisa i-helium ewuketshezi kahle futhi sigcine izindleko ziphansi.Ithangi ElincanekanyeAmapayipi Aguquguqukayoake siphathe imisebenzi yeselula kanye neyodwa ngokunemba.
Izinhlelo ze-Cryogenic zisebenza kahle kakhulu njengenethiwekhi ehlelekile, hhayi iqembu labantu abenza izinto zabo.
Siletha ndawonyeIpayipi Elifakwe Umshini Wokuhlanza, Ipayipi Eliguquguqukayo, futhiI-Vacuum Insulated Valvekusethi eyodwa ehlanganisiwe egcina ingcindezi izinzile futhi ilawula izinguquko zesigaba.
Ipayipi eliguquguqukayo lidlala indima ebalulekile lapho imishini inyakaza noma idlidliza futhi amazinga okushisa eshintshashintsha — liqinile ngokwanele ukuhlala liguquguquka ngenkathi libambe i-vacuum yalo, ngisho nangemva kwemijikelezo eminingi ebandayo neshisayo.
Ezindaweni zokulawula ezibalulekile, i-Vacuum InsulatedIsihlukanisi Sesigabakugcina uketshezi nomhwamuko kuhlukene. Ngaleyo ndlela, igiya elingezansi njengomhwamuko we-LNG noma izinhlelo zokupholisa ze-semiconductor zigwema ukugeleza kwezigaba ezimbili okungahlelekile futhi zihlale zizinzile.
●Isici Sokukhetha Okubalulekile 3: Ukulawulwa Kobunjiniyela Kokuziphatha Kwesigaba
Ukungazinzi kwesigaba kuyindaba ebuhlungu kakhulu kubunjiniyela be-cryogenic, ikakhulukazi uma kukhulunywa ngokusebenza kwe-EPC.
Yilapho-ke i-Isihlukanisi Sesigaba Esifakwe Umshiniiyangena. Le ngxenye yomshini igcina ukulethwa koketshezi kuzinzile ngokuvimbela umhwamuko ukuthi ungangeni engxubeni—ngisho noma ingcindezi yokungena igxuma noma kuphi ukusuka ku-0.3 kuya ku-1.6 MPa, kuye ngokuthi uhlelo luhlelwe kanjani.
Uzobona ukuthi kungani lokhu kubalulekile ezindaweni ezifana nokukhiqiza ama-semiconductor (MBE, etching, wafer cooling), ama-terminals e-LNG regasification, kanye nokulinganisa i-nitrogen ewuketshezi ekukhiqizweni kokudla neziphuzo.
Ngokuhlukaniswa kwesigaba okuthembekile, uthola ukugeleza kwesisindo okubikezelwayo futhi lokho kunomthelela oqondile ekuvuthweni kwenqubo kanye nokuhambisana nokuphepha. Kumayelana nokugcina izinto zihamba kahle futhi ngokuphephile.
●Isici Sokukhetha Okubalulekile 4: Ukuhambisana Nezindinganiso Zobunjiniyela Zomhlaba Wonke
Ukuze uthathwe ngokungathi sína njengomhlinzeki we-cryogenic, kufanele ubonise ukuthi uyahlangabezana namakhodi omhlaba wonke.
Kwa-HL Cryogenics, asinciphisi amathuba. Sakha konke ngokwezindinganiso ze-ASME zemishini yokucindezela, silandela imithetho ye-EN yokuhlanganiswa kwe-EPC yaseYurophu, futhi sinamathela ezinhlelweni ze-ISO zekhwalithi nokushisela. Lokho kusho ukuthi imishini yethu isebenzisana kahle nabakhi be-EPC eYurophu, eNingizimu-mpumalanga ye-Asia, naseMpumalanga Ephakathi—lezo zindawo lapho ukuqinisekiswa kobunjiniyela kufanele kuhlangabezane nezidingo ezinzima, eziwela imingcele.
Nakhu okwenzeka kuphrojekthi yengqalasizinda ye-LNG eNingizimu-mpumalanga ye-Asia. Babedinga ukuhlinzekwa kwe-nitrogen ewuketshezi okuqhubekayo ukuze balungiselele ukupholisa kwabo ngaphambi kokupholisa. Kodwa umakhi wabo we-EPC wabhekana nezinkinga ezinkulu: ukushintshashintsha kwengcindezi kanye nokuqhuma okukhulu, konke lokhu ngoba ukufudumala okuvela kumapayipi abo amadala, ahlanganisiwe akuzange kunciphise.
Sangena sashintsha uhlelo ngento eqinile: ukusetha okuhlanganiswe ngokugcweleIpayipi Elifakwe Umshini Wokuhlanza, Ipayipi Eliguquguqukayo, futhiIsihlukanisi Sesigaba—konke kusekelwa yi-aUhlelo Lwephampu Yokupompa I-Dynamicukugcina i-vacuum izinzile ngokuhamba kwesikhathi.
Imiphumela yayicacile. Ukuvuza kokushisa kwehle cishe ngo-85%. Ukucindezela kwahlala kuzinzile, ngaphakathi kwe-±0.05 MPa. Ukulungiswa? Yehlisa kakhulu, kusukela emjikelezweni wokuqala.
Ngempela, lokhu kukhombisa ukuthi ubunjiniyela bezinga lesistimu yibo obuqhuba impumelelo ye-EPC—hhayi nje ukushintshana ngezingxenye ngazinye.
●Imibuzo Evame Ukubuzwa
Kusukela ngo-1992, i-HL Cryogenics ibilokhu igxile ekuklameni nasekukhiqizeni izinhlelo zamapayipi e-cryogenic afakwe i-vacuum ephezulu kanye nemishini yokusekela ehlobene, eyenzelwe ukuhlangabezana nezidingo zamakhasimende ezahlukahlukene. Sinezitifiketi ze-ASME, CE, kanye ne-ISO 9001, futhi sinikeze imikhiqizo nezinsizakalo emabhizinisini amaningi aziwayo emhlabeni jikelele. Ithimba lethu liqotho, linomthwalo wemfanelo, futhi lizibophezele ekwenzeni kahle kuyo yonke iphrojekthi esiyenzayo.
Ipayipi Elifakwe Umshini Ongangenisi Umswakama/Elinejakethi
Ipayipi Eliguquguqukayo Elifakwe Umshini Wokufudumeza/Elifakwe Ijakethi
Isihlukanisi Sesigaba / Umoya Wokuthuthwa Komoya
Ivalvu Yokuvala Efakwe Umshini Oshisayo (Owomoya)
I-Vacuum Insulated Check Valve
I-Vacuum Insulated Regulating Valve
Izixhumi Ezifakwe Umshini Wokufudumeza Amabhokisi Abandayo Neziqukathi
Izinhlelo Zokupholisa ze-MBE Liquid Nitrogen
Eminye imishini yokusekela ye-cryogenic ehlobene namapayipi e-VI — kufaka phakathi kodwa kungagcini ngamaqembu ama-valve okusiza ukuphepha, ama-gauge wezinga loketshezi, ama-thermometer, ama-pressure gauge, ama-vacuum gauge, namabhokisi okulawula kagesi.
Siyajabula ukwamukela ama-oda anoma yiluphi usayizi — kusukela kumayunithi angawodwa kuya kumaphrojekthi amakhulu.
Ipayipi Elifakwe I-Vacuum Insulated le-HL Cryogenics (VIP) lenziwa ngokuhambisana neKhodi Yepayipi Lokucindezela le-ASME B31.3 njengendinganiso yethu.
I-HL Cryogenics ingumkhiqizi wemishini ekhethekile yokuhlanza, ethola zonke izinto zokusetshenziswa ezivela kubaphakeli abafanelekayo kuphela. Singathola izinto ezihlangabezana namazinga nezimfuneko ezithile njengoba kuceliwe amakhasimende. Ukukhetha kwethu izinto ezivamile kufaka phakathi i-ASTM/ASME 300 Stainless Steel enokwelashwa kwendawo efana nokuhlanza nge-acid, ukupholisha ngomshini, ukupholisha okukhanyayo, kanye nokupholisha nge-electro.
Usayizi kanye nomfutho womklamo wepayipi langaphakathi kunqunywa ngokwezidingo zekhasimende. Usayizi wepayipi langaphandle ulandela izincazelo ezijwayelekile ze-HL Cryogenics, ngaphandle uma kuchazwe ngenye indlela yikhasimende.
Uma kuqhathaniswa nokufakwa kwamapayipi okuvamile, uhlelo lwe-vacuum oluqinile luhlinzeka ngokufakwa kokushisa okuphezulu, okunciphisa ukulahlekelwa kwegesi kumakhasimende. Luphinde lube ngcono kakhulu kunesistimu ye-VI enamandla, okunciphisa ukutshalwa kwezimali kokuqala okudingekayo kumaphrojekthi.
●Okuthunyelwe Okuhlobene
Isikhathi sokuthunyelwe: Meyi-22-2026
