Pakadali pano, njira zotulutsira helium kuchokera ku gasi lachilengedwe kunyumba ndi kunja zimaphatikizapo njira ya cryogenic, njira ya adsorption, njira yolekanitsira nembanemba, kapena kuphatikiza njira ziwiri kapena zitatu zomwe zimagwiritsidwa ntchito pamodzi.
1) Njira yozizira kwambiri
Kusungunula mozizira kwambiri ndi njira yomwe imagwiritsidwa ntchito kwambiri m'mafakitale ambiri a helium obwezeretsa mpweya wapakati mpaka waukulu. Mfundo yake ndikugwiritsa ntchito nayitrogeni yamadzimadzi ngati firiji (pafupifupi -190 ℃) kuti pang'onopang'ono ma hydrocarbon ndi zinthu zina mu mpweya wachilengedwe, ndipo chifukwa cha kutentha kochepa kwambiri kwa helium, pamapeto pake imasiyana ndi zinthu zina zomwe zili mu mpweya wachilengedwe.
2) Njira yotsatsira kuthamanga kwa kuthamanga
The njira yotsatsira kuthamanga kwa madzi (PSA) imagwiritsa ntchito zinthu zosiyanasiyana zokoka mpweya wachilengedwe kupatula helium, motero imalekanitsa zinthu za helium. Nthawi zambiri, nsanja zokoka mpweya wa PSA zimadzazidwa ndi zinthu zosiyanasiyana zokoka mpweya kuti zigwirizane ndi zinthu zosiyanasiyana mu mpweya wachilengedwe, monga silica gel kapena alumina beds zochotsera madzi, carbon beds zochotsa carbon dioxide, zeolite beds zochotsera methane ndi nayitrogeni, ndi zina zotero. Pambuyo poti adsorbent yadzaza mpweya wonyansa, njira monga depressurization backflushing kapena vacuum pumping zingagwiritsidwe ntchito kuthetsa mpweya wonyansa, potero kubwezeretsa ntchito ya adsorbent.
3) Njira yolekanitsira nembanemba
Kulekanitsa mpweya ndi ukadaulo watsopano wolekanitsa. Zigawo za mpweya zimasamutsa unyinji pa mafilimu a polima (monga ulusi wa acetate, polypropylene, polysulfone, polyimide, ndi zina zotero) kutengera mfundo ya kufalikira kwa kusungunuka. Kulekanitsa kwa gawo lililonse kumachitika mwa kusintha kusungunuka ndi kuchuluka kwa kufalikira kwa zigawo zosiyanasiyana za mpweya mu zinthu za nembanemba. Pamene chisakanizo cha mpweya ziwiri kapena zingapo chikudutsa mu filimu ya polima, kuchuluka kwa kulowerera kwa zigawo monga helium ndi hydrogen kumakhala kwakukulu kwambiri kuposa kwa nayitrogeni, methane, ndi ma hydrocarbon ena.
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Sichuan Hengzhong Automation Equipment Co., Ltd.
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Nthawi yotumizira: Marichi-01-2024