Pakadali pano, gawo la mafakitale ku China likulimbikitsa kwambiri kusunga mphamvu ndi kusintha kwa mpweya woipa. Kupanga mpweya woipa pamalopo kuti ulowe m'malo mwa mpweya woipa wa m'mabotolo ndi mpweya wamadzimadzi kwakhala kofunikira kwambiri pakuchepetsa ndalama m'mafakitale akuluakulu, ndipo kuchuluka kwa zida zopangira mpweya wa PSA/VPSA pamalopo kwakhala kukukwera chaka ndi chaka. Komabe, pali vuto lalikulu m'makampaniwa: makampani ambiri amatsata mpweya woipa kwambiri, zomwe zimawonjezera ndalama zomwe amagwiritsa ntchito pazida ndi magetsi; ndipo m'mikhalidwe ina yogwirira ntchito, mpweya woipa sukwaniritsa miyezo, zomwe zimapangitsa kuti ntchito yopangira ichepe komanso kuchuluka kwa zolakwika zomwe zimagulitsidwa.
Kuyera kwa mpweya wabwino kwambiri sikwabwino nthawi zonse. Njira zosiyanasiyana zopangira ndi mafakitale otsika mtengo ali ndi miyezo yolingana ndi kuyera. Kuphatikiza muyezo waposachedwa wadziko lonse wa GB/T 3863-2025 Industrial Oxygen Specification ndi magawo aukadaulo a zida zazikulu zopangira mpweya, nkhaniyi ikufotokoza bwino magawo asanu a kuyera kwa mpweya wa mafakitale, zida zoyenera zopangira mpweya, ndi zochitika zomwe zingagwiritsidwe ntchito m'mafakitale onse. Ikuchotsanso malingaliro olakwika osankhidwa kuti athandize mabizinesi amakampani ndi migodi kusankha zida molondola ndikulamulira mtengo wa gasi mosamala.
1. Kuyera kochepa (90% ~ 93%):Yoyenera kugwiritsidwa ntchito poyatsa mpweya wochuluka komwe mpweya wochuluka sufunika kwambiri. 1. Mpweya wowonjezera kutentha m'mauvuni agalasi, mauvuni ozungulira simenti, ndi zoyatsira zinyalala:** Cholinga cha izi ndikuwonjezera kutentha kwa moto ndikuchepetsa kugwiritsa ntchito mphamvu, popanda kugwiritsa ntchito mpweya woyera kwambiri.
2. Kuyera kwapakati (93% ~ 95%):Amagwiritsidwa ntchito kwambiri popereka mpweya m'madzi, pochiza madzi otayira, komanso pochita zinthu zina zazing'ono zowononga mpweya. Kuyera kumeneku ndikokwanira pa njira zamoyo zoyendera mpweya kapena njira zonse zowononga mpweya, zomwe zimapangitsa kuti pakhale mtengo wotsika kwambiri.
3. Kuyera kwambiri (≥99.2% - 99.6%):Muyezo wa kalasi yoyamba wa mafakitale, woyenera kuwotcherera ndi kudula zitsulo, kupanga zitsulo pogwiritsa ntchito zitsulo (monga kutembenuza mpweya), kupanga mankhwala (monga kuoxidation ya ethylene), ndi njira zina zomwe zimafuna kuchitapo kanthu mwamphamvu kapena kutetezedwa ku zinyalala.
4. Kuyera kwambiri (≥99.9%):Amagwiritsidwa ntchito popanga zinthu monga semiconductor, kupanga zinthu zopangidwa ndi ulusi wa kuwala, kupanga zinthu zoyendera ndege, ndi mankhwala apadera. Zinthu zimenezi zimakhala zovuta kwambiri ku zinthu zosafunika monga chinyezi ndi ma hydrocarbon, zomwe zimafuna kuyeretsa kwambiri.
Malangizo Ofunika:
1. Letsani kusakaniza: Mpweya wa mafakitale ukhoza kukhala ndi carbon monoxide yochepa, carbon dioxide, acetylene, ndi mafuta, koma suyenera kugwiritsidwa ntchito popuma, apo ayi ungayambitse kuyabwa m'mapapo, poizoni, kapena kutupa m'mapapo.
2. Njirayi imatsimikiza kuyera: Kulekanitsa mpweya wa cryogenic kumapeza kuyera kwakukulu (≥99.5%), kukakamizidwa kwa kuthamanga kwa mpweya (PSA) nthawi zambiri kumapanga kuyera kwa 90%-95%, ndipo kulekanitsa kwa nembanemba kumakhala ndi kuyera kochepa kwambiri (30%-50%). Kusankha kuyenera kufanana ndi zofunikira ziwiri za kuyera ndi kuchuluka kwa mpweya pazochitika zinazake.
3. Kusiyana kwa Miyezo: Muyezo wa dziko lonse wa GB/T 3863 ukunena kuti giredi I ya okosijeni ya mafakitale iyenera kukhala ≥99.5%, ndi giredi II ≥99.2%. Mu ntchito yeniyeni, ngati njirayi ilibe zoletsa zapadera pa zinyalala, pafupifupi 93% ndi yokwanira pazosowa zambiri zoyatsa ndi ulimi wa nsomba. Palibe chifukwa chofunafuna kuyera kwambiri kuti muchepetse ndalama.
Malingaliro Atatu Olakwika Okhudza Kusankha Makampani Omwe Amagwiritsidwa Ntchito Kawirikawiri:
Lingaliro Lolakwika 1: Kuyera kwambiri kwa mpweya kumatanthauza zotsatira zabwino zopanga. Zoona: Kuwonjezeka kulikonse kwa 1% kwa kuyera kumawonjezera kwambiri kugwiritsa ntchito mphamvu kwa jenereta ya mpweya. Mpweya wa 93% ndi wokwanira pa ntchito zachizolowezi zomangira, kukonza madzi otayira, ndi mabatire a lithiamu. Kusankha mosasamala mpweya wa 99.5% wa kuyera kwambiri kumawonjezera mwachindunji mtengo wamagetsi ndi zoposa 30%.
Lingaliro Lolakwika 2: Makina opangira mpweya wa m'mafakitale amatha kulowa m'malo mwa mpweya wa m'chipatala. Zoona: Ngakhale ali oyera 93%, makina opangira mpweya wa m'mafakitale alibe zida zoyeretsera mpweya wa m'chipatala komanso zosefera ndipo ali ndi zinthu zodetsa monga chinyezi ndi fumbi. Ndi oletsedwa kugwiritsa ntchito popumira mpweya wa anthu. Awiriwa amatsatira miyezo yosiyana kwambiri yachitetezo.
Bodza Lachitatu: Zinthu zonse zothandizira kuyaka zimafuna mpweya wabwino kwambiri. Zoona: Pa ma uvuni wamba ndi ma boiler, 25%-40% ya mpweya wolekanitsa membrane ndi wokwanira, zomwe zimapangitsa kuti pakhale ndalama zambiri kuposa ma molecular seeve oxygen generators. Kusankha chitsanzo choyenera cha zosowa zanu ndikofunikira kwambiri kuti muchepetse ndalama.
Chidule:Mfundo yaikulu yosankhira majenereta a okosijeni m'mafakitale ndi iyi: yabwino kwambiri pa ntchito, osati kwenikweni ngati kuyera kuli kwakukulu. Pakuthandizira kuyaka koyambira, kuwonjezera mpweya wolekanitsa ndi nembanemba ndikoyenera; popanga mafakitale onse, majenereta a okosijeni a PSA okhazikika 93% amalimbikitsidwa; njira zolondola kwambiri zokha zimafuna mpweya woyera kwambiri wa cryogenic wa 99.5% kapena kupitirira apo. Asanagule majenereta a okosijeni, makampani ayenera kufotokoza momveka bwino zomwe akufuna kuti azitha kupanga bwino komanso kusunga mphamvu.
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Nthawi yotumizira: Juni-23-2026
