I-HANGZHOU NUZHUO TECHNOLOGY GROUP CO.,LTD.

Iyunithi yokwahlula umoya ye-KDON-32000/19000 yeyona yunithi iphambili yokuxhasa ubunjineli boluntu kwiprojekthi ye-ethylene glycol engama-200,000 t/a. Ibonelela nge-hydrogen eluhlaza kwiyunithi yegesi ecinezelweyo, iyunithi yokwenziwa kwe-ethylene glycol, ukubuyiswa kwesulfure, kunye nonyango lwelindle, kwaye ibonelela nge-nitrogen enoxinzelelo oluphezulu noluphantsi kwiiyunithi ezahlukeneyo zeprojekthi ye-ethylene glycol yokuqalisa ukucoca nokuvala, kwaye ikwabonelela ngomoya weyunithi kunye nomoya wesixhobo.

I-China NUZHUO Nitrogen Cryogenic Plant Air Diparation Unit N2 Generator System Cryogenic Oxygen Plant Liquid mveliso kunye nababoneleli | Nuzhuo

A. INKQUBO YOBUGCISA

Izixhobo zokwahlukanisa umoya ze-KDON32000/19000 ziyilwe kwaye zenziwe yiNewdraft, kwaye zamkela inkqubo yokuhamba kweenkqubo zokuhlanjululwa kwe-molecule egcwele uxinzelelo oluphantsi, indlela yokukhulisa i-turbine yomoya, uxinzelelo lwangaphakathi lwe-oxygen yemveliso, uxinzelelo lwangaphandle lwe-nitrogen oluphantsi, kunye nokujikeleza kwe-air booster. Inqaba esezantsi isebenzisa inqaba yepleyiti yesihluzo esebenza kakuhle, kwaye inqaba engentla isebenzisa inkqubo yokupakisha ecwangcisiweyo kunye nenkqubo yokuvelisa i-argon engena-hydrogen.

Umoya oluhlaza ufunxwa ngaphakathi kwindawo yokungena, kwaye uthuli kunye nezinye izinto ezingcolileyo zoomatshini zisuswa sisihluzo somoya esizihlambululayo. Umoya emva kwesihluzo ungena kwi-compressor ye-centrifugal, kwaye emva kokuba ucinezelwe yi-compressor, ungena kwinqaba yokupholisa umoya. Ngelixa uphola, unokucoca nezinto ezingcolileyo ezinyibilikayo lula emanzini. Umoya emva kokuphuma kwinqaba yokupholisa ungena kwi-molecular sieve purifier yokutshintsha. I-carbon dioxide, i-acetylene kunye nokufuma emoyeni ziyafunxwa. I-molecular sieve purifier isetyenziswa kwiindlela ezimbini zokutshintsha, enye yazo isebenza ngelixa enye ivuselela. Umjikelo wokusebenza we-purifier malunga neeyure ezi-8, kwaye i-purifier enye itshintshwa kanye emva kweeyure ezi-4, kwaye ukutshintsha ngokuzenzekelayo kulawulwa yinkqubo ehlengahlengiswayo.

Umoya emva kwe-molecular see adsorber wahlulwe waba yimijelo emithathu: umjelo omnye ukhutshwa ngokuthe ngqo kwi-molecular see adsorber njengomoya wesixhobo sezixhobo zokwahlula umoya, umjelo omnye ungena kwi-low-pressure plate-fin heat exchanger, upholiswa yi-reflux i-ammonia kunye ne-ammonia engcolisiweyo, uze ungene kwi-low tower, umjelo omnye uye kwi-air booster, uze wahlulwe ube yimijelo emibini emva kokucinezelwa kwinqanaba lokuqala le-booster. Umjelo omnye ukhutshwa ngokuthe ngqo kwaye usetyenziswe njengesixhobo senkqubo umoya kunye nomoya wesixhobo emva kokuncitshiswa koxinzelelo, kwaye omnye umjelo uyaqhubeka noxinzelelo kwi-booster kwaye wahlulwe ube yimijelo emibini emva kokucinezelwa kwinqanaba lesibini. Umjelo omnye ukhutshwa kwaye upholiswe kubushushu begumbi kwaye uye kwisiphelo sokunyusa se-turbine expander ukuze kuphuculwe uxinzelelo, uze emva koko ukhutshwe nge-high-pressure heat exchanger uze ungene kwi-expander ukuze kwandiswe kwaye kusebenze. Umoya omanzi owandisiweyo ungena kwi-gas-liquid separator, kwaye umoya owahlukanisiweyo ungene kwi-low tower. Umoya olulwelo olukhutshwa kwi-gas-liquid separator lungena kwi-booster esezantsi njengolwelo lomoya oluyi-liquid reflux, kwaye omnye umjelo uqhubeka noxinzelelo kwi-booster ukuya kwinqanaba lokugqibela lokucinezelwa, uze upholiswe kubushushu begumbi yi-cooler uze ungene kwi-high-pressure plate-fin heat exchanger ukuze utshintshise ubushushu nge-liquid oxygen kunye ne-reflux colpied nitrogen. Le nxalenye yomoya oluyi-high-pressure iyanyibilikiswa. Emva kokuba umoya olulwelo ukhutshwe ezantsi kwe-heat exchanger, ungena kwi-low tower emva kokubhoboza. Emva kokuba umoya uqale wanyibilikiswa kwi-low tower, kufunyanwa umoya olulwelo oluyi-lead, umoya oluyi-oxygen-rich, i-nitrogen ecocekileyo kunye ne-high-purity ammonia. Umoya oluyi-lead, umoya oluyi-oxygen-rich kunye ne-nitrogen ecocekileyo yolwelo zipholile kakhulu kwi-cooler kwaye zifakwe kwi-top tower ukuze ziphinde zinyibilikiswe. I-liquid oxygen efunyenwe ezantsi kwi-top tower icinezelwa yi-liquid oxygen pump ize ingene kwi-high-pressure plate-fin heat exchanger ukuze ifudumale kwakhona, ize ingene kwi-oxygen pipeline network. I-liquid nitrogen efunyenwe phezulu kwi-low tower ikhutshwa ize ingene kwi-liquid ammonia storage tank. I-ammonia ecocekileyo kakhulu efunyenwe phezulu kwinqaba esezantsi ifudunyezwa yi-low-pressure heat exchanger ize ingene kwinethiwekhi yepayipi ye-ammonia. I-nitrogen exinzelelo oluphantsi efunyenwe kwinxalenye ephezulu yenqaba engentla ifudunyezwa yi-low-pressure plate-fin heat exchanger ize iphume kwibhokisi ebandayo, ize icinezelwe kwi-0.45MPa yi-nitrogen compressor ize ingene kwinethiwekhi yepayipi ye-ammonia. Inani elithile le-argon fraction likhutshwa embindini wenqaba engentla lize lithunyelwe kwinqaba ye-xenon ekrwada. I-xenon fraction inyibilikiswa kwinqaba ye-argon ekrwada ukuze kufunyanwe i-argon ekrwada, ethi emva koko ithunyelwe embindini wenqaba ye-argon ekrwada. Emva kokunyibilikiswa kwinqaba ye-argon ekrwada, i-xenon ekrwada ekrwada ifunyanwa ezantsi kwenqaba. Igesi ye-ammonia engcolileyo ikhutshwa kwinxalenye ephezulu yenqaba ephezulu, kwaye emva kokuba ifudunyezwe kwakhona yi-cooler, i-plate-fin heat exchanger ene-low-pressure low-pressure kunye ne-high-pressure plate-fin heat exchanger kwaye iphuma kwibhokisi ebandayo, yahlulwe yangamacandelo amabini: inxalenye enye ingena kwi-steam heater yenkqubo yokucoca isihluzo se-molecular njenge-molecular sieve regeneration gas, kwaye igesi ye-nitrogen engcolileyo eseleyo iya kwi-water cooling tower. Xa inkqubo yokugcina i-oxygen engamanzi kufuneka iqaliswe, i-oxygen engamanzi kwi-liquid oxygen storage tank itshintshelwa kwi-liquid oxygen vaporizer nge-regulating valve, ize ingene kwi-oxygen pipeline network emva kokufumana i-low-pressure oxygen; xa inkqubo yokugcina i-liquid nitrogen kufuneka iqaliswe, i-liquid ammonia kwi-liquid nitrogen storage tank itshintshelwa kwi-liquid oxygen vaporizer nge-regulating valve, ize icinezelwe yi-ammonia compressor ukuze ifumane i-high-pressure nitrogen kunye ne-low-pressure ammonia, ize ingene kwi-nitrogen pipeline network.

INKQUBO YOLAWULO B.

Ngokwesikali kunye neempawu zenkqubo yezixhobo zokwahlula umoya, inkqubo yolawulo esasazwa yi-DCS iyasetyenziswa, idityaniswe nokukhethwa kweenkqubo ze-DCS eziphucukileyo kwihlabathi liphela, abahlalutyi be-valve yokulawula kwi-intanethi kunye nezinye izinto zokulinganisa nokulawula. Ukongeza ekubeni ikwazi ukugqiba ulawulo lwenkqubo yeyunithi yokwahlula umoya, ingafaka zonke iivalvu zolawulo kwindawo ekhuselekileyo xa iyunithi ivaliwe kwingozi, kwaye iipompo ezifanelekileyo zingena kwimeko yokhuseleko lokungena ukuqinisekisa ukhuseleko lweyunithi yokwahlula umoya. Iiyunithi ezinkulu ze-turbine compressor zisebenzisa iinkqubo zolawulo ze-ITCC (iinkqubo zolawulo ezihlanganisiweyo zeyunithi ye-turbine compressor) ukugqibezela ulawulo lokuhamba ngesantya esiphezulu lweyunithi, ulawulo lokunqunyulwa kongxamiseko kunye nemisebenzi yokulawula i-anti-surge, kwaye inokuthumela imiqondiso kwinkqubo yolawulo lwe-DCS ngendlela ye-hard wiring kunye nonxibelelwano.

C. Iindawo eziphambili zokubeka esweni iyunithi yokwahlula umoya

Uhlalutyo lococeko lwe-oksijini yemveliso kunye negesi ye-nitrogen eshiya ubushushu obuphantsi koxinzelelo oluphantsi, uhlalutyo lococeko lomoya wolwelo oluphantsi kwinqaba esezantsi, uhlalutyo lwe-nitrogen yolwelo olucocekileyo kwinqaba esezantsi, uhlalutyo lococeko lwegesi eshiya inqaba engentla, uhlalutyo lococeko lwegesi engena kwi-subcooler, uhlalutyo lococeko lwe-oksijini yolwelo kwinqaba engentla, ubushushu emva kwe-condenser engcolileyo i-reflux liquid air constant flow valve, uxinzelelo kunye nenqanaba lolwelo lophawu lwe-distillation tower gas-liquid separator, uphawu lobushushu lwegesi ye-nitrogen engcolileyo eshiya ubushushu obuphezulu, uhlalutyo lococeko lomoya ongena kwi-heat exchanger enoxinzelelo oluphantsi, ubushushu bomoya obushiya ubushushu obuphezulu, umahluko wobushushu kunye nobushushu begesi ye-ammonia engcolileyo eshiya ubushushu, uhlalutyo lwegesi kwi-port ye-xenon fraction extraction port ephezulu: zonke ezi zezokuqokelela idatha ngexesha lokuqalisa kunye nokusebenza okuqhelekileyo, okuluncedo ekulungiseni iimeko zokusebenza kweyunithi yokwahlula umoya kunye nokuqinisekisa ukusebenza okuqhelekileyo kwezixhobo zokwahlula umoya. Uhlalutyo lomxholo we-nitrous oxide kunye ne-acetylene ekupholiseni okuphambili, kunye nohlalutyo lomxholo womswakama emoyeni okhulayo: ukuze kuthintelwe umoya onomswakama ukuba ungangeni kwinkqubo yokunyibilikisa, okubangela ukuqina kunye nokuvalwa kwetshaneli yokutshintsha ubushushu, okuchaphazela indawo kunye nokusebenza kakuhle komtshintshi wobushushu, i-acetylene iya kuqhuma emva kokuba ukuqokelelwa kokupholisa okuphambili kudlule ixabiso elithile. Ukuhamba kwegesi yesitywina se-oxygen pump shaft, uhlalutyo loxinzelelo, ubushushu be-heater ye-oxygen pump bearing, ubushushu begesi yesitywina se-labyrinth, ubushushu bomoya emva kokwandiswa, uxinzelelo lwegesi yesitywina se-expander, ukuhamba, isibonakaliso soxinzelelo oluhlukileyo, uxinzelelo lweoyile yokuthambisa, inqanaba letanki yeoyile kunye nobushushu bangasemva be-oyile epholileyo, isiphelo sokwandiswa kwe-turbine expander, ukuhamba kwe-oyile yokungenisa i-booster end, ubushushu be-bearing, isibonakaliso sokungcangcazela: konke oku ukuqinisekisa ukusebenza okukhuselekileyo nokuqhelekileyo kwe-turbine expander kunye ne-oxygen pump, kwaye ekugqibeleni ukuqinisekisa ukusebenza okuqhelekileyo kokuhlukaniswa komoya.

Uxinzelelo oluphambili lokufudumeza isihluzo se-molecular, uhlalutyo lokuhamba, ubushushu bokungena kunye nokuphuma kwe-molecular sieve (i-nitrogen engcolileyo), uphawu loxinzelelo, ubushushu kunye nokuhamba kwegesi yokuhlaziya isihluzo se-molecular sieve, uphawu lokumelana kwenkqubo yokucoca, uphawu lomahluko phakathi koxinzelelo lwe-molecular sieve, ubushushu bokungena komphunga, i-alamu yokubonisa uxinzelelo, i-H20 analysis heater ye-regeneration gas outlet alarm, i-alamu yobushushu be-condensate outlet, uhlalutyo lwe-CO2 ye-molecular sieve, uphawu lokungena olusezantsi kunye ne-booster flow: ukuqinisekisa ukusebenza okuqhelekileyo kokutshintsha kwenkqubo ye-molecule sieve adsorption kunye nokuqinisekisa ukuba umxholo we-CO2 kunye ne-H20 womoya ongena kwibhokisi ebandayo ukwinqanaba eliphantsi. Uphawu loxinzelelo lomoya wesixhobo: ukuqinisekisa ukuba umoya wesixhobo sokwahlula umoya kunye nomoya wesixhobo onikezelwa kwinethiwekhi yepayipi ufikelela kwi-0.6MPa (G) ukuqinisekisa ukusebenza okuqhelekileyo kwemveliso.

D.Iimpawu zeyunithi yokwahlula umoya

1. Iimpawu zenkqubo

Ngenxa yoxinzelelo oluphezulu lweoksijini lweprojekthi ye-ethylene glycol, izixhobo zokwahlula umoya ze-KDON32000/19000 zamkela umjikelo wokunyusa umoya, uxinzelelo lwangaphakathi lweoksijini yolwelo kunye nenkqubo yoxinzelelo lwangaphandle lwe-ammonia, oko kukuthi, i-air booster + ipompo yeoksijini yolwelo + i-booster turbine expander idityaniswe nolungiselelo olufanelekileyo lwenkqubo yokutshintsha ubushushu ukuze ithathe indawo yenkqubo yoxinzelelo lwangaphandle i-oxygen compressor. Iingozi zokhuseleko ezibangelwa kukusetyenziswa kwe-oxygen compressors kwinkqubo yoxinzelelo lwangaphandle ziyancitshiswa. Kwangaxeshanye, inani elikhulu leoksijini yolwelo ekhutshwa yi-main cooling linokuqinisekisa ukuba amathuba okuqokelelwa kwe-hydrocarbon kwi-main cooling liquid oxygen ayancitshiswa ukuqinisekisa ukusebenza ngokukhuselekileyo kwezixhobo zokwahlula umoya. Inkqubo yoxinzelelo lwangaphakathi ineendleko zotyalo-mali eziphantsi kunye noqwalaselo olufanelekileyo.

2. Iimpawu zezixhobo zokwahlula umoya

Isihluzi somoya esizicocayo sixhotyiswe ngenkqubo yolawulo oluzenzekelayo, enokuthi ikwazi ukuyibuyisela umva ngokuzenzekelayo kwaye ilungise inkqubo ngokobukhulu bokumelana. Inkqubo yokupholisa ngaphambi kokuba iphole isebenzisa inqaba yokupakisha esebenza kakuhle kakhulu kwaye ingamelani nokuxhathisa okuncinci, kwaye umsasazi wolwelo usebenzisa umsasazi omtsha, osebenzayo nophucukileyo, ongaqinisekisi nje kuphela unxibelelwano olupheleleyo phakathi kwamanzi nomoya, kodwa nokuqinisekisa ukusebenza kotshintshiselwano lobushushu. Isixhobo sokucoca i-wire mesh sibekwe phezulu ukuqinisekisa ukuba umoya ophuma kwinqaba yokupholisa umoya awuthwali manzi. Inkqubo yokufunxa i-molecular sieve isebenzisa umjikelo omde kunye nokuhlanjululwa kwebhedi enamaleko amabini. Inkqubo yokutshintsha isebenzisa itekhnoloji yokulawula ukutshintsha ngaphandle kwempembelelo, kwaye i-heater ekhethekileyo yomphunga isetyenziselwa ukuthintela umphunga wokufudumala ukuba ungaphumi kwicala le-nitrogen engcolileyo ngexesha lesigaba sokuvuselela.

Yonke inkqubo yenkqubo yenqaba yokunyibilikisa isebenzisa ukubalwa kwesoftware ye-ASPEN kunye ne-HYSYS ephucukileyo kwihlabathi liphela. Inqaba esezantsi isebenzisa inqaba yepleyiti yesihluzo esebenza kakuhle kwaye inqaba engasentla isebenzisa inqaba eqhelekileyo yokupakisha ukuqinisekisa izinga lokukhupha isixhobo kunye nokunciphisa ukusetyenziswa kwamandla.

E. Ingxoxo ngenkqubo yokukhulula nokulayisha izithuthi ezinomoya opholileyo

1. Imiqathango ekufuneka ihlangatyezwe ngaphambi kokuba kuqalwe ukwahlulwa komoya:

Ngaphambi kokuba uqalise, cwangcisa kwaye ubhale isicwangciso sokuqalisa, kuquka inkqubo yokuqalisa kunye nokuphathwa kweengozi ezingxamisekileyo, njl. Yonke imisebenzi ngexesha lenkqubo yokuqalisa kufuneka yenziwe kwindawo leyo.

Ukucoca, ukuhlanjwa kunye nokusebenza kovavanyo kwenkqubo yeoyile yokuthambisa kugqityiwe. Ngaphambi kokuba kuqaliswe ipompo yeoyile yokuthambisa, kufuneka kongezwe igesi yokutywina ukuthintela ukuvuza kweoyile. Okokuqala, kufuneka kwenziwe i-self-circulating filtration yetanki yeoyile yokuthambisa. Xa kufikelelwe kwinqanaba elithile lokucoceka, umbhobho weoyile uqhagamshelwe ukuhlanjwa kunye nokucoca, kodwa iphepha lesihluzo longezwa ngaphambi kokuba lingene kwi-compressor kunye ne-turbine kwaye lihlala litshintshwa ukuqinisekisa ukucoceka kweoyile engena kwizixhobo. Ukucoca kunye nokusebenza kwenkqubo yamanzi ajikelezayo, inkqubo yokucoca amanzi, kunye nenkqubo yokukhupha umoya wokwahlula umoya kuyagqitywa. Ngaphambi kokufakwa, umbhobho otyebiswe yioksijini wokwahlula umoya kufuneka ususwe igrisi, ucolwe, kwaye ungasetyenziswa, uze uzaliswe ngegesi yokutywina. Imibhobho, oomatshini, umbane, kunye nezixhobo (ngaphandle kwezixhobo zohlalutyo kunye nezixhobo zokulinganisa) zezixhobo zokwahlula umoya zifakiwe kwaye zilinganiswe ukuze zifaneleke.

Zonke iimpompo zamanzi ezisebenzayo, iimpompo zeoksijini engamanzi, iicompressor zomoya, ii-boosters, ii-turbine expanders, njl. zinemiqathango yokuqalisa, kwaye ezinye kufuneka zivavanywe kumatshini omnye kuqala.

Inkqubo yokutshintsha isihluzo semolekyuli inemiqathango yokuqalisa, kwaye inkqubo yokutshintsha iimolekyuli iqinisekisiwe ukuba iyakwazi ukusebenza ngokuqhelekileyo. Ukufudumeza nokucoca umbhobho womphunga oxinzelelweyo ophezulu kugqityiwe. Inkqubo yomoya wesixhobo esilindileyo isetyenzisiwe, ukugcina uxinzelelo lomoya wesixhobo lungaphezulu kwe-0.6MPa(G).

2. Ukucoca imibhobho yeyunithi yokwahlula umoya

Qalisa inkqubo yeoyile yokuthambisa kunye nenkqubo yegesi yokutywina yeturbine yomphunga, icompressor yomoya kunye nepompo yamanzi okupholisa. Ngaphambi kokuba uqalise icompressor yomoya, vula ivalvu yomoya yecompressor yomoya kwaye uvale indawo yokungena yomoya yenqaba yokupholisa umoya ngepleyiti engaboniyo. Emva kokuba umbhobho wokukhupha i-air compressor ucociwe, uxinzelelo lokukhupha umoya lufikelela kuxinzelelo lokukhupha umoya olulinganisiweyo kwaye injongo yokucoca umbhobho ifanelekile, qhagamshela umbhobho wokungenisa umoya we-tower cooling tower, qalisa inkqubo yokupholisa umoya ngaphambi kokucoca (ngaphambi kokucoca, ukupakisha itower cooling tower akufuneki kuzaliswe; i-air inlet molecular sieve adsorber inlet flange iqhagamshelwe), linda de ithagethi ifanelekile, qalisa inkqubo yokucoca i-molecular sieve (ngaphambi kokucoca, i-molecular sieve adsorber adsorbent akufuneki izaliswe; i-air inlet cold box inlet flange kufuneka iqhagamshelwe), yima i-air compressor de ithagethi ifanelekile, gcwalisa i-air cooling tower packing kunye ne-molecular sieve adsorber adsorbent, kwaye uqalise kwakhona isihluzi, i-steam turbine, i-air compressor, inkqubo yokupholisa umoya ngaphambi kokupholisa, inkqubo yokungenisa i-molecular sieve emva kokugcwalisa, ubuncinane iiveki ezimbini zokusebenza okuqhelekileyo emva kokuvuselelwa, ukupholisa, ukunyuka koxinzelelo, i-adsorption, kunye nokunciphisa uxinzelelo. Emva kwexesha lokufudumeza, imibhobho yomoya yenkqubo emva kwe-molecular sieve adsorber kunye nemibhobho yangaphakathi ye-fractionation tower inokuvuthelwa. Oku kuquka ii-heat exchangers ezinoxinzelelo oluphezulu, ii-heat exchangers ezinoxinzelelo oluphantsi, ii-air boosters, ii-turbine expanders, kunye nezixhobo ze-tower ezizezokwahlulwa komoya. Nika ingqalelo ekulawuleni ukuhamba komoya okungena kwinkqubo yokucoca isihluzo se-molecular ukuze uphephe ukumelana okugqithisileyo kwesihluzo se-molecular okuyonakalisa umaleko webhedi. Ngaphambi kokuvuthuza i-fractionation tower, yonke imibhobho yomoya engena kwi-fractionation tower cold box kufuneka ixhotyiswe ngezihluzi zexeshana ukuthintela uthuli, i-welding slag kunye nokunye ukungcola ukuba kungangeni kwi-heat exchanger kwaye kuchaphazele isiphumo sokutshintshiselana kobushushu. Qalisa inkqubo ye-oyile yokuthambisa kunye negesi yokutywina ngaphambi kokuvuthuza i-turbine expander kunye ne-oxygen pump. Zonke iindawo zokutywina igesi zezixhobo zokwahlukanisa umoya, kubandakanya nomlomo we-turbine expander, kufuneka zivalwe.

3. Ukupholisa okungenanto kunye nokuqaliswa kokugqibela kweyunithi yokwahlula umoya

Zonke iipayipi ezingaphandle kwebhokisi ebandayo ziyavuthuzwa, kwaye zonke iipayipi nezixhobo ezikwibhokisi ebandayo ziyafudunyezwa kwaye zivuthuzwe ukuze zihlangabezane neemeko zokupholisa kwaye zilungiselele uvavanyo lokupholisa olungenanto.

Xa kuqala ukupholisa kwenqaba yokunyibilikisa umoya, umoya okhutshwa yi-air compressor awunakungena ngokupheleleyo kwinqaba yokunyibilikisa umoya. Umoya oxineneyo ogqithisileyo ukhutshwa emoyeni ngevalvu yomoya, ngaloo ndlela ugcine uxinzelelo lokukhupha i-air compressor lungatshintshi. Njengoko ubushushu benxalenye nganye yenqaba yokunyibilikisa umoya buncipha kancinci kancinci, ubungakanani bomoya ophefumlwayo buya kunyuka kancinci kancinci. Ngeli xesha, inxalenye yegesi ye-reflux kwinqaba yokunyibilikisa umoya ithunyelwa kwinqaba yokupholile amanzi. Inkqubo yokuphola kufuneka yenziwe kancinci kwaye ngokulinganayo, ngesantya sokupholisa esiphakathi se-1 ~ 2℃/h ukuqinisekisa ubushushu obufanayo benxalenye nganye. Ngexesha lenkqubo yokuphola, amandla okuphola esandisi segesi kufuneka agcinwe kwiqondo eliphezulu. Xa umoya okwisiphelo esibandayo se-heat exchanger ephambili ukufutshane nobushushu bokunyibilikisa umoya, inqanaba lokuphola liyaphela.

Isigaba sokupholisa sebhokisi ebandayo sigcinwa ixesha elithile, kwaye ukuvuza okwahlukeneyo kunye nezinye iindawo ezingagqitywanga ziyajongwa kwaye zilungiswe. Emva koko yima umatshini inyathelo ngenyathelo, qala ukulayisha isanti yeeperile kwibhokisi ebandayo, qala isixhobo sokwahlula umoya inyathelo ngenyathelo emva kokulayisha, kwaye ungene kwakhona kwisigaba sokupholisa. Qaphela ukuba xa izixhobo zokwahlula umoya ziqaliswa, igesi yokuvuselela yesihluzo semolekyuli isebenzisa umoya ocociweyo ngesihluzo semolekyuli. Xa izixhobo zokwahlula umoya ziqaliswa kwaye kukho igesi yokuvuselela eyaneleyo, kusetyenziswa indlela yokuhamba kwe-ammonia engcolileyo. Ngexesha lenkqubo yokupholisa, ubushushu kwibhokisi ebandayo buyehla kancinci kancinci. Inkqubo yokuzalisa i-ammonia yebhokisi ebandayo kufuneka ivulwe ngexesha ukuthintela uxinzelelo olubi kwibhokisi ebandayo. Emva koko izixhobo ezikwibhokisi ebandayo ziyaphola ngakumbi, umoya uqala ukunyibilika, ulwelo luqala ukubonakala kwinqaba esezantsi, kwaye inkqubo yokucoca iinqaba eziphezulu nezisezantsi iqala ukusekwa. Emva koko lungisa kancinci iivalvu nganye nganye ukuze wenze ukwahlukana komoya kusebenze ngokuqhelekileyo.

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