Ama-valve e-Cryogenic asetshenziswa kabanzi emikhakheni yomanyolo, i-LNG kanye nemboni ye-petrochemical. Ngaphandle kwe-nitrogen eyi-liquid namanye amagesi angenayo e-liquid, iningi lemidiya elawulwayo ayigcini nje ngokuvutha futhi iyaqhuma, kodwa futhi i-gasification iyenzeka lapho ishisa noma ikhanya. , Okuholela ekukhuleni ngokushesha kwevolumu, ukuvuza kalula nokuqhuma. Embonini, ama-valve asetshenziswa emazingeni okushisa aphakathi nendawo angaphansi -40 ℃ ngokuvamile abizwa ngokuthi ama-cryogenic valves, futhi ama-valve asetshenziswa ekushiseni okuphakathi nendawo ngaphansi -101 ℃ abizwa ngokuthi ama-valve okushisa aphansi kakhulu.
Ukukhetha impahla yama-valve e-cryogenic:
Izakhiwo zemishini yensimbi emazingeni okushisa aphansi zihlukile kulawo asezingeni lokushisa lasekamelweni. Ngokungeziwe kumandla, ukuqina komthelela wezinga lokushisa eliphansi kuyinkomba ebaluleke kakhulu yensimbi enezinga lokushisa eliphansi. Ukuqina komthelela wethempelesha okuphansi kwento ethile kuhlobene nezinga lokushisa elishwabene lezinto. Ukwehla kwezinga lokushisa elishwabene lempahla, kuba ngcono umthelela ophansi womthelela wokuqina wento. Izinto zensimbi ezine-cubic lattice egxile emzimbeni njengensimbi ye-carbon zinezinga lokushisa eliphansi lokubanda, kuyilapho izinto zensimbi ezinocezu lwe-cubic olugxile ebusweni njenge-austenitic stainless steel azinawo umthelela kukuqina komthelela wezinga lokushisa eliphansi.
Umzimba we-valve wezinga lokushisa eliphansi, ibhonethi nezinye izingxenye ezimelana nokucindezela ngokuvamile zenziwe ngezinto ezinamandla aphansi okushisa nokuqina. Ngesikhathi esifanayo, izici ezifana nokushisela, ukuqina, ukuzinza nomnotho nazo kufanele zibhekwe.
Lapho udizayina, amazinga amathathu okushisa aphansi okuthi -46℃, -101℃ kanye -196℃ avame ukusetshenziswa. I-carbon steel enezinga lokushisa eliphansi ngokuvamile isetshenziselwa -46 ℃ ebangeni lezinga lokushisa eliphansi, futhi 300 uchungechunge lwensimbi engagqwali ye-austenitic ngokuvamile isetshenziselwa -101℃ kanye -196℃ ibanga lezinga lokushisa eliphansi. Le nsimbi engagqwali inamandla amaphakathi, ukuqina okuhle nokusebenza okuhle kokucubungula.
Isikhathi sokuthumela: Mar-18-2024