Okwangoku, icandelo lemizi-mveliso laseTshayina likhuthaza ngokupheleleyo ukugcinwa kwamandla kunye notshintsho lokunciphisa ikhabhoni. Ukuveliswa kweoksijini kwindawo ukuze kuthathelwe indawo ioksijini ebhotileni kunye neoksijini engamanzi kuye kwaba yimfuneko yokunciphisa iindleko kwiifektri ezinkulu, kwaye umthamo wokufakelwa kwezixhobo zokuvelisa ioksijini kwindawo uye wanda unyaka nonyaka. Nangona kunjalo, kukho ingxaki enkulu kweli shishini: iinkampani ezininzi zilandela ioksijini ecocekileyo ngokungenamsebenzi, zinyusa ngokungeyomfuneko iindleko zotyalo-mali lwezixhobo kunye nombane; kwaye kwezinye iimeko zokusebenza, ubunyulu beoksijini abufikeleli kwimigangatho, nto leyo ekhokelela ekunciphiseni ukusebenza kakuhle kwemveliso kunye nokunyuka kwamazinga eziphene zemveliso.
Ubunyulu be-oksijini obuphezulu abusoloko bungcono. Iinkqubo ezahlukeneyo zemveliso kunye namashishini asezantsi anemigangatho engqongqo yokufanisa ubunyulu. Ngokudibanisa umgangatho wamva nje wesizwe we-GB/T 3863-2025 I-Industrial Oxygen Specification kunye neeparamitha zobugcisa zezixhobo eziphambili zemveliso ye-oksijini, eli nqaku lihlalutya ngokupheleleyo amanqanaba amahlanu obunyulu be-oksijini yemizi-mveliso, izixhobo zemveliso ye-oksijini ezihambelanayo, kunye neemeko ezifanelekileyo kuzo zonke iimizi-mveliso. Ikwasusa iingcamango eziphosakeleyo zokukhetha ukunceda amashishini emizi-mveliso kunye nemigodi ukuba akhethe ngokuchanekileyo izixhobo kwaye alawule ngokungqongqo iindleko zegesi.
1. Ubumsulwa obuphantsi (90% ~ 93%):Ifanelekile kwiimeko zokutsha ezityetyiswe yioksijini apho iimfuno zoxinzelelo lweoksijini zingekho phezulu. 1. Ioksijini yokuphucula ukutsha kwiioksijini zeglasi, kwiioksijini ezijikelezayo zesamente, nakwii-incinerators zenkunkuma:** Oku kujolise ekunyuseni ubushushu bomlilo nokunciphisa ukusetyenziswa kwamandla, ngaphandle kokufuna ioksijini ecocekileyo kakhulu.
2. Ubumsulwa obuphakathi (93% ~ 95%):Isetyenziswa rhoqo kwi-aquaculture oxygenation, kwi-air treatment water area, nakwi-small-scale chemical oxidation reactions. Olu coceko lwanele kwiinkqubo ze-aerobic zebhayoloji okanye kwiinkqubo ze-oxidation ngokubanzi, nto leyo enika ixabiso eliphezulu.
3. Ubumsulwa obuphezulu (≥99.2% – 99.6%):Umgangatho wokuqala wezinga leshishini, ofanelekileyo ekudibaniseni nasekusikeni isinyithi, ukwenza intsimbi ngesinyithi (njengokuvuthela ioksijini), ukwenziwa kweekhemikhali (njengokuvuthela ioksijini nge-ethylene), kunye nezinye iinkqubo ezifuna iimpendulo ezinamandla ze-oxidation okanye ezifuna ukukhuselwa kubumdaka.
4. Ubunyulu obuphezulu kakhulu (≥99.9%):Isetyenziswa kwimveliso ye-semiconductor, kwimveliso ye-optical fiber preform, kwi-aerospace propellants, nakwiikhemikhali ezikhethekileyo. Ezi meko zinobuthathaka kakhulu kukungcola okufana nokufuma kunye nee-hydrocarbons, nto leyo efuna ukucocwa nzulu.
Amanyathelo okhuseleko aphambili:
1. Kuthintele ngokungqongqo ukuxuba: Ioksijini yemizi-mveliso inokuba nezixa ezincinci zekhabhoni monoxide, ikhabhoni dayoksayidi, iacetylene, kunye neoyile, kodwa akufuneki isetyenziswe ekuphefumleni ngonyango, kungenjalo iya kubangela ukurhawuzelelwa kwemiphunga, ityhefu, okanye nokudumba kwemiphunga.
2. Inkqubo imisela ubunyulu: Ukwahlulwa komoya okrwada kufikelela ngokulula kubunyulu obuphezulu (≥99.5%), i-pressure swing adsorption (PSA) idla ngokuvelisa ubunyulu obuyi-90%-95%, kwaye ukwahlulwa kwe-membrane kunobunyulu obuphantsi (30%-50%). Ukhetho kufuneka luhambelane neemfuno ezimbini zobunyulu kunye nomthamo wegesi kwimeko ethile.
3. Umahluko Oqhelekileyo: Umgangatho wesizwe we-GB/T 3863 umisela ukuba i-oksijini ye-industrial grade I kufuneka ibe yi-≥99.5%, kunye ne-II ibe yi-≥99.2%. Kwiindlela ezisebenzayo, ukuba le nkqubo ayinayo imiqathango ekhethekileyo yokungcola, malunga ne-93% yanele kwiimfuno ezininzi zokutsha kunye nokulima iintlanzi. Akukho mfuneko yokuzama ngobunono ukucoceka okuphezulu ukuze wonge iindleko.
Iingcamango Ezintathu Ezingachanekanga Zokukhetha Ishishini Ezisetyenziswa Rhoqo:
Ingcamango ephosakeleyo 1: Ubunyulu be-oksijini ephezulu buthetha iziphumo ezingcono zemveliso. Inyaniso: Ukwanda kwe-1% kobunyulu kwandisa kakhulu ukusetyenziswa kwamandla komenzi we-oksijini. I-oksijini engama-93% yanele kwiinkqubo eziqhelekileyo kwizixhobo zokwakha, unyango lwamanzi amdaka, kunye neebhetri ze-lithium. Ukukhetha ngokungaziyo i-oksijini ecocekileyo ephezulu engama-99.5% kwandisa ngokuthe ngqo iindleko zombane ngaphezulu kwama-30%.
Ingcamango ephosakeleyo 2: Iijenereyitha zeoksijini zoshishino zingathatha indawo yeoksijini yezonyango. Inyaniso: Nokuba zicocekile ngama-93%, iijenereyitha zeoksijini zoshishino azinazo izixhobo zokucoca igesi yezonyango kunye nokucoca kwaye ziqulathe ukungcola okufana nokufuma nothuli. Azivumelekanga ngokungqongqo ukuba zisetyenziswe ekuphefumleni kwabantu ukubonelela ngeoksijini. Ezi zimbini zilandela imigangatho yokhuseleko eyahlukileyo ngokupheleleyo.
Intsomi 3: Zonke iimeko ezixhasa ukutsha zifuna ioksijini ecocekileyo kakhulu. Inyaniso: Kwii-oksijini eziqhelekileyo kunye neebhoyila, ukutyetyiswa kweoksijini yokwahlulwa kwe-membrane engama-25%-40% kwanele, okubonelela ngexabiso elingcono kakhulu kuneejeneretha ze-oxygen zesihluzo se-molecular. Ukukhetha imodeli efanelekileyo kwiimfuno zakho ezithile kubalulekile ekunciphiseni iindleko.
Isishwankathelo:Umgaqo oyintloko wokukhetha iijenereyitha zeoksijini zoshishino ngulo: zilungele iimeko zokusebenza, kungekhona ukuba ubunyulu buphezulu. Kwinkxaso yokutsha esisiseko, ukutyebisa ioksijini yokwahlulahlula i-membrane kufanelekile; kwimveliso yemizi-mveliso ngokubanzi, kucetyiswa iijenereyitha zeoksijini ze-PSA ezisemgangathweni ezingama-93%; kuphela iinkqubo ezichanekileyo eziphezulu ezifuna ioksijini ecocekileyo kakhulu engama-99.5% nangaphezulu. Ngaphambi kokuba uthenge iijenereyitha zeoksijini, iinkampani kufuneka zichaze ngokucacileyo iimfuno zazo zobunyulu begesi kunye nesantya sokuhamba ukuze zifezekise ngokwenene imveliso ekhuselekileyo kunye nokonga amandla.
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Ixesha leposi: Juni-23-2026
