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Ukwahlulwa komoya okrwada (ukwahlulwa komoya obushushu obuphantsi) kunye nezixhobo eziqhelekileyo zokuvelisa i-nitrogen (ezifana nokwahlulwa kwe-membrane kunye neejenereyitha ze-nitrogen ezisebenzisa uxinzelelo) zezona ndlela ziphambili zokuvelisa i-nitrogen kwimizi-mveliso. Itekhnoloji yokwahlulwa komoya okrwada isetyenziswa kakhulu kumashishini ahlukeneyo ngenxa yamandla ayo okuvelisa i-nitrogen asebenzayo kunye nobunyulu obugqwesileyo. Eli nqaku liza kuhlola ngokupheleleyo iingenelo kunye nomahluko phakathi kokwahlulwa komoya okrwada kunye nezixhobo zokuvelisa i-nitrogen, liqhuba uhlalutyo oluthelekisayo ngokwemigaqo yobunyulu be-nitrogen, ukusetyenziswa kwezixhobo, kunye neendleko zokusebenza, ukuze kubonelelwe ngereferensi yokukhetha itekhnoloji efanelekileyo yokuvelisa i-nitrogen. Ubunyulu be-nitrogen

Enye inzuzo ebalulekileyo yokwahlulwa komoya okrwada kwi-deep cryogenic kwimveliso ye-nitrogen kukuba inokufezekisa ubumsulwa obuphezulu kakhulu be-nitrogen. Ukwahlulwa komoya okrwada kwi-deep cryogenic ngokuqhelekileyo kunokuvelisa i-nitrogen enobumsulwa obungaphezulu kwe-99.999%, nto leyo ibalulekileyo kwizicelo ezifuna i-nitrogen enobumsulwa obuphezulu kakhulu, njengokwenziwa kwezinto ze-elektroniki, ukwenziwa kweekhemikhali, kunye namashishini eenqwelo moya. Ngokwahlukileyo koko, izixhobo zokuvelisa i-nitrogen yokwahlulwa kwe-membrane zinokubonelela kuphela nge-nitrogen enobumsulwa obuphakathi kwe-90% ukuya kwi-99.5%, ngelixa izixhobo zokuvelisa i-nitrogen yoxinzelelo lwe-pressure swing adsorption (PSA) zinokubonelela nge-nitrogen enobumsulwa obufikelela kwi-99.9%, kodwa azikwazi ukulingana nokusebenza kokwahlulwa komoya okrwada kwi-deep cryogenic. Ke ngoko, ukwahlulwa komoya okrwada kwi-deep cryogenic kukhuphisana ngakumbi kumashishini afuna iigesi ezinobumsulwa obuphezulu.

Umthamo wemveliso yeNitrogen

Iiyunithi zokwahlukanisa umoya ezinzulu zinamandla okuvelisa inani elikhulu le-nitrogen, nto leyo eyenza ukuba zifaneleke ngakumbi kwiimeko ezinemfuno ephezulu ye-nitrogen, ezifana nee-steel mills kunye nezityalo zeekhemikhali. Ngenxa yokuba ukwahlukanisa umoya onzulu kunyibilikisa umoya kumaqondo obushushu aphantsi uze wahlukanise i-nitrogen kunye ne-oxygen, amandla ayo okuvelisa eyunithi enye anokufikelela kumakhulu okanye amawaka ee-cubic metres ngeyure. Ngokwahlukileyo koko, izixhobo zokuvelisa i-nitrogen ezintsonkothileyo kunye ne-pressure swing adsorption zinamandla okuvelisa alinganiselweyo, aqheleke kakhulu kubasebenzisi abancinci nabaphakathi kwimizi-mveliso abanemfuno ye-nitrogen ukusuka kumashumi ukuya kumakhulu ee-cubic metres ngeyure. Ke ngoko, kwiimeko ezinemfuno ephezulu ye-nitrogen, ukwahlukanisa umoya onzulu kunokuhlangabezana ngcono neemfuno zamashishini.

Iindleko zokusebenza

Ngokwembono yeendleko zokusebenza, izixhobo zokwahlula umoya ezinzulu zinoqoqosho ngakumbi ekusebenzeni ngokuqhubekekayo okukhulu. Utyalo-mali lokuqala lwezixhobo zokwahlula umoya ezinzulu ziphezulu, kodwa ngexesha lokusebenza ixesha elide, iindleko zegesi zeyunithi ziya kuba phantsi. Ingakumbi kwiimeko apho kukho imfuno ephezulu ye-nitrogen kunye ne-oxygen ngaxeshanye, ukwahlulwa komoya okunzulu kunokunciphisa kakhulu iindleko zemveliso yegesi ngokusebenzisa imveliso ngokubambisana. Ngokwahlukileyo koko, imveliso ye-nitrogen yokutsalwa koxinzelelo kunye neetekhnoloji zokwahlula i-membrane zinokusetyenziswa kwamandla aphezulu, ngakumbi xa kuveliswa i-nitrogen ecocekileyo kakhulu. Iindleko zokusebenza ziphezulu kakhulu, kwaye ukusebenza kakuhle koqoqosho lokusebenza akuphezulu njengokwahlulwa komoya okunzulu xa umthamo wemveliso ye-nitrogen mkhulu. Iimeko ezisebenzayo

Iyunithi yokwahlula umoya we-cryogenic isetyenziswa kakhulu kwimveliso yemizi-mveliso emikhulu apho kufuneka khona i-nitrogen kunye ne-oxygen, njengakwimizi-mveliso yentsimbi, yeekhemikhali, kunye neye-petrochemical. Kwelinye icala, izixhobo zokuvelisa i-nitrogen yokutsalwa koxinzelelo kunye nezixhobo zokwahlula i-membrane zifanelekile ngakumbi kumashishini amancinci naphakathi, ingakumbi kwiimeko apho i-nitrogen kufuneka ifumaneke ngokulula nangokukhawuleza. Inkqubo yokwahlula umoya we-cryogenic ifuna ixesha elithile lokucwangcisa kwangaphambili kunye nokufakela, kwaye ifanelekile kwizakhiwo ezinkulu ezinemisebenzi ezinzileyo yexesha elide. Ngokwahlukileyo koko, izixhobo zokwahlula i-membrane kunye nezixhobo zokudibanisa i-pressure swing zincinci ngobukhulu, okwenza kube lula ukuzihambisa nokuzifaka ngokukhawuleza, kwaye zifanelekile kwiiprojekthi zexesha elifutshane okanye kwiindawo apho kufuneka khona uyilo oluguquguqukayo.

Umthamo wemveliso yegesi

Enye inzuzo enkulu yokwahlulwa komoya okrwada ngamandla ayo okuvelisa igesi. Ukwahlulwa komoya okrwada akuvelisanga initrogen kuphela kodwa kunokuvelisa nezinye iigesi zoshishino ezifana neoksijini kunye ne-argon, ezinezicelo ezibalulekileyo ekunyibilikiseni intsimbi, kwimveliso yeekhemikhali, nakwezinye iindawo. Ke ngoko, iteknoloji yokwahlulwa komoya okrwada ifanelekile kumashishini aneemfuno ezahlukeneyo zegesi kwaye inokunciphisa kakhulu iindleko zokuthengwa kwegesi iyonke. Ngokwahlukileyo koko, izixhobo zokudibanisa i-pressure swing kunye ne-membrane zihlala zivelisa initrogen kuphela, kwaye ubunyulu kunye nemveliso ye-nitrogen evelisiweyo ziphantsi kwemiqathango emininzi.

Ukhuseleko lokusingqongileyo kunye nokusetyenziswa kakuhle kwamandla

Iinkqubo zokwahlula umoya we-cryogenic nazo zinezibonelelo ezithile ngokubhekiselele kukhuseleko lokusingqongileyo kunye nokusebenza kakuhle kwamandla. Ekubeni ukwahlulwa komoya we-cryogenic kusebenzisa indlela yokwahlula ngokwasemzimbeni kwaye kungadingi khemikhali, akubangeli ungcoliseko lokusingqongileyo. Ukongeza, ngoyilo oluphuculweyo kunye netekhnoloji yokubuyisela ubushushu, ukusebenza kakuhle kokusetyenziswa kwamandla kwezixhobo zokwahlula umoya we-cryogenic kuye kwaphuculwa kakhulu. Ngokwahlukileyo koko, izixhobo zokuvelisa i-nitrogen yokufunxa uxinzelelo zifuna iinkqubo zokufunxa rhoqo kunye nokufunxa, nto leyo ebangela ukusetyenziswa kwamandla aphezulu. Izixhobo zokuvelisa i-nitrogen yokwahlula i-membrane, nangona zinokusetyenziswa kwamandla okuphantsi, zinomda wokusetyenziswa olinganiselweyo, ngakumbi kwiimeko zobunyulu obuphezulu kunye neemfuno zokuhamba kwamanzi amakhulu, ukusebenza kakuhle kokusetyenziswa kwamandla akulunganga njengokwezixhobo zokwahlula umoya we-cryogenic.

Ukugcinwa kunye nokusebenza

Ukugcinwa kweenkqubo zokwahlulwa komoya ezibangelwa yi-cryogenic kuyinkimbinkimbi kwaye kufuna iingcali ezinamava zolawulo kunye nokugcinwa rhoqo. Nangona kunjalo, ngenxa yokusebenza kwayo okuzinzileyo kunye nobomi bexesha elide bezixhobo, iiyunithi zokwahlulwa komoya ezibangelwa yi-cryogenic zinokugcina ukusebenza kakuhle ekusebenzeni ixesha elide. Ngokwahlukileyo koko, ukugcinwa kwezixhobo zokwahlulwa kwe-membrane kunye ne-pressure swing adsorption kulula kakhulu, kodwa izinto zazo eziphambili, ezinje nge-adsorbents kunye ne-membrane components, zinomngcipheko wokungcola okanye ukuguga, nto leyo ebangela imijikelo yokugcinwa emfutshane kunye ne-frequency ephezulu yokugcinwa, enokuchaphazela uqoqosho lwexesha elide kunye nokuthembeka kwezixhobo.

Isishwankathelo

Ukuqukumbela, iteknoloji yokwahlula umoya opholileyo ngokunzulu ineengenelo ezibalulekileyo kunezixhobo zokuvelisa i-nitrogen ezisebenzisa uxinzelelo oluqhelekileyo kunye nezixhobo zokwahlula i-membrane ngokwemigaqo yobumsulwa be-nitrogen, ubungakanani bemveliso, iindleko zokusebenza, kunye nemveliso yegesi. Ukwahlula umoya opholileyo ngokunzulu kufanelekile ngokukodwa kumashishini amakhulu emizi-mveliso, ingakumbi kwiimeko apho kukho iimfuno eziphezulu zobumsulwa be-nitrogen, imfuno ye-oxygen, kunye nobungakanani bemveliso. Kumashishini amancinci naphakathi okanye lawo anemfuno ye-nitrogen eguquguqukayo kunye nobungakanani bemveliso obuphantsi, izixhobo zokuvelisa i-nitrogen ezisebenzisa uxinzelelo kunye nezixhobo zokwahlula i-membrane ziyindlela efanelekileyo kwezoqoqosho. Ke ngoko, amashishini kufuneka enze ukhetho olufanelekileyo ngokusekelwe kwiimfuno zawo zokwenyani kwaye akhethe izixhobo zokuvelisa i-nitrogen ezifanelekileyo kakhulu.

Singabavelisi kunye nabathumela ngaphandle iyunithi yokwahlula umoya. Ukuba ufuna ukwazi okungakumbi ngathi:

Umntu woqhagamshelwano: uAnna

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