Iyunithi yokwahlula umoya ye-KDON-32000/19000 yeyona yunithi iphambili yobunjineli boluntu kwiprojekthi ye-200,000 t/a ethylene glycol. Inika ikakhulu i-hydrogen ekrwada kwiyunithi yoxinzelelo lwe-gasification, iyunithi ye-ethylene glycol synthesis, ukubuyiswa kwesulfure, kunye nokucocwa kwamanzi amdaka, kwaye ibonelela ngoxinzelelo oluphezulu noluphantsi lwenitrogen kwiiyunithi ezahlukeneyo zeprojekthi ye-ethylene glycol yokucoca kunye nokutywinwa, kwaye ikwabonelela ngeyunithi yomoya kunye nomoya wesixhobo.
INKQUBO YE-A.TECHNICAL
Izixhobo zokwahlula umoya ze-KDON32000/19000 ziyilwe kwaye zenziwa yiNewdraft, kwaye yamkela inkqubo yokuqukuqela inkqubo yokucoca i-adsorption yeemolekyuli ephantsi koxinzelelo, i-air booster turbine yokwandiswa kwesixhobo sokukhenkceza, imveliso yoxinzelelo lweoksijini yangaphakathi, uxinzelelo olusezantsi lwenitrogen yangaphandle, kunye nokujikeleza kwe-booster yomoya. Inqaba esezantsi ithatha inqaba yepleyiti yesihluzo ephezulu, kwaye inqaba ephezulu ithatha ukupakishwa okucwangcisiweyo kunye nenkqubo yokuvelisa i-hydrogen-free argon epheleleyo.
Umoya okrwada ufunxwa kwi-inlet, kwaye uthuli kunye nobunye ukungcola komatshini kususwa sisihluzo somoya esizicocayo. Umoya emva kokuba isihluzi singena kwi-compressor ye-centrifugal, kwaye emva kokunyanzeliswa yi-compressor, ingena kwinqaba yokupholisa umoya. Ngelixa ipholisa, inokucoca nokungcola okunyibilika lula emanzini. Umoya emva kokushiya inqaba yokupholisa ungena kwi-molecular sieve purifier ukuze utshintshe. Ikhabhon diokside, iacetylene kunye nokufuma emoyeni kubhengezwa. Isicoci se-molecular sieve sisetyenziswa kwiimowudi ezimbini zokutshintsha, enye iyasebenza ngelixa enye ihlaziya. Umjikelo wokusebenza womcoci malunga neeyure ze-8, kwaye isicoci esisodwa sitshintshwa kanye kwiiyure ze-4, kwaye ukutshintshwa ngokuzenzekelayo kulawulwa yiprogram ehlelwayo.
Umoya emva kwe-adsorber ye-molecular sieve yahlulwe yaba yimijelo emithathu: umlambo omnye utsalwa ngokuthe ngqo kwi-molecular sieve adsorber njengomoya wesixhobo sezixhobo zokwahlula umoya, umlambo omnye ungena kwi-low-pressure plate-fin heat exchanger, upholiswe yi-reflux engcolisekileyo i-ammonia kunye ne-ammonia, kwaye emva koko ingena kwi-booster ephantsi, ingena kwi-booster ephantsi, ingena kwi-booster ephantsi, kwaye ingena kwi-booster ephantsi, ingena kwi-booster ephantsi, kwaye ingena kwi-booster ephantsi, ingena kwi-booster ephantsi, ingena kwi-booster ephantsi, kwaye ingena kwi-booster ephantsi. inqanaba lokuqala loxinzelelo lwe-booster. Umlambo omnye ukhutshwa ngokuthe ngqo kwaye usetyenziswe njengesixhobo somoya kunye nesixhobo somoya emva kokuncitshiswa koxinzelelo, kwaye omnye umlambo uyaqhubeka nokuxinzezeleka kwi-booster kwaye yahlulwe ibe yimijelo emibini emva kokunyanzeliswa kwinqanaba lesibini. Omnye umjelo uyatsalwa kwaye upholiswe kwiqondo lobushushu begumbi kwaye uye kwisiphelo sonyuso se-iturbine yokwandisa ucinezelo olongezelelweyo, kwaye emva koko utsalwa nge-high-pressure exchanger yobushushu kwaye ungene kwi-expander ukuze kwandiswe nomsebenzi. Umoya omanzi owandisiweyo ungena kwi-gas-liquid separator, kwaye umoya ohlukeneyo ungena kwinqaba ephantsi. Umoya elulwelo okhutshwe kwisahlukanisi segesi-ulwelo lungena kwinqaba esezantsi njengolwelo lolwelo lwe-reflux yolwelo, kwaye omnye umsinga uyaqhubeka nokucinezelwa kwi-booster ukuya kwinqanaba lokugqibela loxinzelelo, kwaye emva koko upholiswe kwiqondo lobushushu begumbi yi-cool kwaye ingene kwi-high-pressure plate-fin exchanger yobushushu yokutshintshana kobushushu kunye neoksijini engamanzi kunye ne-nitrogen engcolisekileyo. Le nxalenye yomoya woxinzelelo oluphezulu ixutywe emva kokuba umoya we-liquid ukhutshwe phantsi kwe-heat exchanger, ingena kwinqaba ephantsi emva kwe-throttling. Emva kokuba umoya uhlanjululwe ekuqaleni kwinqaba esezantsi, umoya wolwelo oluthambileyo, umoya wolwelo otyebileyo oksijini, initrogen esulungekileyo yolwelo kunye neammonia ecocekileyo iyafunyanwa. Umoya wolwelo obhityileyo, umoya wolwelo olutyebileyo ngeoksijini kunye nenitrogen elulwelo esulungekileyo zipholile kakhulu kwindawo epholileyo kwaye zithotywe kwinqaba engaphezulu ukuze ziphinde zifakwe emanzini. Ioksijini engamanzi efunyenwe emazantsi enqaba ephezulu icinezelwa yimpompo yeoksijini engamalwelo ize ingene kwiplate-fin yobushushu obuphezulu ukuze ifudunyezwe, ize ingene kuthungelwano lombhobho weoksijini. I-nitrogen engamanzi efunyenwe phezulu kwinqaba esezantsi iyatsalwa kwaye ingene kwitanki yokugcina i-ammonia engamanzi. I-ammonia ecocekileyo efunyenwe phezulu kwinqaba ephantsi iphinda ihlaziywe yi-low-pressure exchanger heat exchanger kwaye ingena kumnatha wombhobho we-ammonia. Initrogen yoxinzelelo oluphantsi efunyenwe kwindawo ephezulu yenqaba engaphezulu ifudunyezwa kwakhona yi-low-pressure plate-fin exchanger heat kwaye iphume kwibhokisi ebandayo, ize icinezelwe ukuya kwi-0.45MPa yicompressor yenitrogen kwaye ingene kuthungelwano lwemibhobho ye-ammonia. Inani elithile leqhezu le-argon litsalwa phakathi kwinqaba ephezulu kwaye lithunyelwe kwinqaba ye-xenon ekrwada. Iqhezu xenon distilled kwi tower argon ekrwada ukufumana ulwelo argon ekrwada, nto leyo ke ithunyelwe embindini esulungekisiweyo argon tower. Emva kokuxutywa kwe-distillation kwi-argon tower ephuculweyo, i-xenon yolwelo esulungekileyo ifumaneka emazantsi enqaba. Igesi emdaka ye-ammonia itsalwa kwindawo ephezulu yenqaba ephezulu, kwaye emva kokuba iphinde ifudunyezwe yi-cooler, i-low-pressure plate-fin exchanger heat exchanger kunye ne-high-pressure plate-fin exchanger heat exchanger kunye nokuphuma kwibhokisi ebandayo, yahlulwe ibe ngamacandelo amabini: inxalenye enye ingena kwisifudumezi se-molecular sieve inkqubo yokucoca njenge-molecular dirty gasve kunye ne-gasve yegesi ye-nitrogen eseleyo. inqaba yokupholisa. Xa inkqubo yogcino lweoksijini engamalwelo kufuneka iqalwe, ioksijini elulwelo kwitanki yokugcina ioksijini engamalwelo itshintshelwa kulwelo lomphunga weoksijini ngevalve elawulayo, ize ke ingene kuthungelwano lombhobho weoksijini emva kokufumana ioksijini enoxinzelelo oluphantsi; xa inkqubo yogcino nitrogen elulwelo kufuneka iqalwe, ulwelo ammonia kwitanki yokugcina nitrogen elulwelo itshintshelwa kulwelo umphunga oksijini ngokusebenzisa ivelufa elawulayo, kwaye ke icinezelwe yi compressor ammonia ukufumana nitrogen yoxinzelelo oluphezulu kunye noxinzelelo oluphantsi ammonia, uze ungene kuthungelwano umbhobho nitrogen.
B.INKQUBO YOLAWULO
Ngokomlinganiselo kunye neempawu zenkqubo yezixhobo zokwahlula umoya, inkqubo yolawulo esasazwayo ye-DCS yamkelwa, idityaniswe nokukhethwa kweenkqubo ze-DCS eziphambili kumazwe ngamazwe, ivalve yokulawula i-analyzers ye-intanethi kunye nezinye izinto zokulinganisa kunye nokulawula. Ukongeza kokukwazi ukugqiba inkqubo yolawulo lweyunithi yokwahlukana komoya, inokuphinda ibeke zonke iivalvu zokulawula kwindawo ekhuselekileyo xa iyunithi ivaliwe ngengozi, kwaye iimpompo ezihambelanayo zingena kwisimo sokukhusela ukhuseleko ukuze kuqinisekiswe ukhuseleko lweyunithi yokwahlula umoya. Iiyunithi ezinkulu ze-injini yokuxinzelela i-ITCC (iinkqubo zokulawula i-turbine compressor unit edibeneyo yokulawula) ukugqiba ulawulo lohambo olukhawulezayo lweyunithi, ulawulo olungxamisekileyo lokunqunyulwa kunye nemisebenzi yokulawula ukuhla, kwaye inokuthumela imiqondiso kwinkqubo yokulawula ye-DCS ngendlela yocingo olunzima kunye nonxibelelwano.
C. Iindawo zokubeka iliso eziphambili zeyunithi yokwahlula umoya
Uhlalutyo lokucoceka kweoksijini yemveliso kunye negesi yenitrogen eshiya ubushushu obuphantsi koxinzelelo, uhlalutyo lobunyulu bomoya wolwelo olusezantsi, uhlalutyo lwentonga esezantsi esulungekileyo yenitrogen, uhlalutyo lokucoceka kwegesi eshiya inqaba ephezulu, uhlalutyo lobunyulu begesi engena kwi-subcooler, uhlalutyo lobunyulu bolwelo lweoksijini kwinqaba ephezulu, ubushushu emva kwecondenser ekrwada yereflux yolwelo lolwelo oluhlala lubonisa inqanaba lokuqukuqela kwe-gastile kunye ne-gastill fluid, i-valve ye-diparator yolwelo, i-valve ye-diparator yolwelo. isibonakaliso sobushushu begesi yenitrogen emdaka eshiya ubushushu obuphezulu, uhlalutyo lococeko lomoya olungena kutshintshiselwano lobushushu obuphantsi, ubushushu bomoya obushiya ubushushu obuphezulu, ubushushu kunye nokwahluka kobushushu begesi emdaka ye-ammonia eshiya umtshintshi wobushushu, uhlalutyo lwegesi kwinqaba ephezulu yeXenon izibuko lokutsalwa kweqhezu: zonke ezo zenzelwe ukuqokelela idatha ngexesha lokuqalisa kunye nokusebenza okuqhelekileyo kweyunithi yokusebenza komoya, nto leyo enenzuzo yokusebenza kweyunithi yomoya kunye nokusebenza okuqhelekileyo. izixhobo zokwahlula. Uhlalutyo lwe-nitrous oxide kunye nomxholo we-acetylene ekupholiseni okuphambili, kunye nohlalutyo lomswakama kwi-boost air: ukwenzela ukukhusela umoya onomswakama ekungeneni kwi-distillation system, obangela ukuqina kunye nokuthintela umtshini wokutshintsha ubushushu, okuchaphazela indawo yokutshintsha ubushushu kunye nokusebenza kakuhle, i-acetylene iya kuqhuma emva kokuqokelela kwi-cooling main idlula ixabiso elithile. Ukuhamba kwegesi ye-oxygen pump shaft, uhlalutyo loxinzelelo, impompo ye-oksijeni yolwelo ephethe ubushushu be-heater, i-labyrinth yegesi ye-labyrinth, ubushushu bomoya wolwelo emva kokwandiswa, uxinzelelo lwegesi ye-expander, ukugeleza, ukubonakaliswa koxinzelelo, uxinzelelo lwe-oyile, inqanaba letanki yeoli kunye nobushushu obungasemva be-oyile, i-turbine expander isiphelo sokwandisa, i-booster ekupheleni kwe-oil inlet, i-vib yokuqinisekisa ukuhamba okuqhelekileyo kwe-oyile, i-vib. i-turbine expander kunye nempompo ye-oksijini yolwelo, kwaye ekugqibeleni kuqinisekiswe ukusebenza okuqhelekileyo kokuqhekeka komoya.
I-molecular sieve ukufudumeza uxinzelelo oluphambili, uhlalutyo lokuhamba, umoya we-molecular sieve (i-nitrogen engcolileyo) i-inlet kunye ne-outlet, isibonakaliso soxinzelelo, i-molecular sieve regeneration gas temperature kunye nokuhamba, ukuhlanjululwa kwenkqubo yokucoca, i-molecular sieve outlet pressure, i-inlet inlet, i-alamu ebonisa uxinzelelo, i-alarm yokuvuselela igesi yokuphuma kwegesi ye-H20, i-alarm yokuhlaziya i-air, i-alarm ye-air2, i-alarm yokuhlalutya i-air-air, i-inlet low tower kunye ne-booster flow indication: ukuqinisekisa ukusebenza okuqhelekileyo kokutshintsha kwe-molecular sieve adsorption system kunye nokuqinisekisa ukuba umxholo we-CO2 kunye ne-H20 womoya ongena kwibhokisi ebandayo uphantsi. Isalathisi soxinzelelo lomoya wesixhobo: ukuqinisekisa ukuba umoya wesixhobo sokwahlula umoya kunye nesixhobo somoya esinikezelwe kuthungelwano lombhobho ufikelela kwi-0.6MPa (G) ukuqinisekisa ukusebenza okuqhelekileyo kwemveliso.
D.Iimpawu zeyunithi yokwahlula umoya
1. Iimpawu zenkqubo
Ngenxa yoxinzelelo oluphezulu lwe-oksijini yeprojekthi ye-ethylene glycol, i-KDON32000/19000 izixhobo zokwahlula umoya zisebenzisa umjikelo wokunyusa umoya, ulwelo lweoksijini yangaphakathi yoxinzelelo kunye nenkqubo yoxinzelelo lwe-ammonia yangaphandle, oko kukuthi, i-air booster + impompo ye-oksijini yolwelo + i-booster turbine expander idityaniswe nentlangano enengqiqo yenkqubo yokutshintsha ubushushu be-oxygen ukuze ithathe indawo. Iingozi zokhuseleko ezibangelwa ukusetyenziswa kwe-oxygen compressors kwinkqubo yokunyanzeliswa kwangaphandle ziyancipha. Kwangaxeshanye, isixa esikhulu se-oksijini engamanzi ekhutshwe kukupholisa okuphambili kunokuqinisekisa ukuba ukuqokelelwa kwe-hydrocarbon kwi-oksijini yolwelo oluphambili lokupholisa kuncitshiswe ukuqinisekisa ukusebenza ngokukhuselekileyo kwezixhobo zokwahlula umoya. Inkqubo yoxinzelelo lwangaphakathi ineendleko eziphantsi zotyalo-mali kunye nolungiselelo olufanelekileyo.
2. Iimpawu zezixhobo zokwahlula umoya
Isihluzo somoya esizicocayo sixhotyiswe ngenkqubo yokulawula ngokuzenzekelayo, enokuthi ngokuzenzekelayo ibuyele emva kwaye inokulungelelanisa inkqubo ngokobungakanani bokumelana. Inkqubo yokupholisa kwangaphambili ithatha i-high-efficiency kunye ne-low-resistance yokupakisha inqaba, kwaye umthengisi we-liquid uthatha i-distributor entsha, esebenzayo kunye nephambili, engaqinisekisanga kuphela uqhagamshelwano olupheleleyo phakathi kwamanzi nomoya, kodwa iqinisekisa ukusebenza kotshintshiselwano lobushushu. I-wire mesh demister isetiwe phezulu ukuqinisekisa ukuba umoya ophuma kwinqaba yokupholisa umoya awuthwali manzi. Inkqubo ye-molecular sieve adsorption ithatha umjikelo omde kunye nokuhlanjululwa kwebhedi ephindwe kabini. Inkqubo yokutshintsha ithatha itekhnoloji yokulawula ukutshintshela ngaphandle kwempembelelo, kwaye isifudumezi esikhethekileyo somphunga sisetyenziselwa ukuthintela ukuvuza komphunga ukuya kwicala elimdaka lenitrogen ngexesha lokuhlaziya.
Yonke inkqubo yenkqubo ye-distillation tower isebenzisa ukubalwa kwesoftware ye-ASPEN ephuhlileyo kunye ne-HYSYS. Inqaba esezantsi ithatha i-high-efficiency plate ye-sieve tower kwaye inqaba ephezulu ithatha inqaba yokupakisha rhoqo ukuqinisekisa izinga lokutsalwa kwesixhobo kunye nokunciphisa ukusetyenziswa kwamandla.
E.Ingxoxo ngenkqubo yokothula nokulayishwa kwezithuthi ezinomoya opholileyo
1. Iimeko ekufuneka zihlangatyezwe phambi kokuba kuqaliswe ukwahlukana komoya:
Ngaphambi kokuqala, cwangcisa kwaye ubhale isicwangciso sokuqalisa, kubandakanywa inkqubo yokuqalisa kunye nokuphathwa kwengozi yongxamiseko, njl. Yonke imisebenzi ngexesha lokuqalisa inkqubo kufuneka yenziwe kwisayithi.
Ukucocwa, ukugungxulwa kunye nokusebenza kovavanyo lwenkqubo yeoli yokuthambisa kugqityiwe. Ngaphambi kokuqalisa impompo yeoli yokuthambisa, igesi yokutywina kufuneka yongezwe ukuthintela ukuvuza kweoyile. Okokuqala, i-self-circulating filtration yetanki yeoli yokuthambisa kufuneka iqhutywe. Xa iqondo elithile lococeko lifikelelwe, umbhobho we-oyile uyadityaniswa ukuze ugungxulwe kwaye uhluzwe, kodwa iphepha lokuhluza liyongezwa ngaphambi kokungena kwicompressor kunye ne-iturbine kwaye lihlala litshintshwa ukuqinisekisa ukucoceka kwe-oyile engena kwisixhobo. Ukugungxulwa kunye nokugunyaziswa kwenkqubo yamanzi ejikelezayo, inkqubo yokucoca amanzi, kunye nenkqubo yokukhupha ukwahlukana komoya igqityiwe. Ngaphambi kofakelo, umbhobho otyetyisiweyo weoksijini wokwahlula umoya kufuneka ucocwe, ucocwe, ugqitywe, emva koko uzaliswe ngegesi yokutywina. Imibhobho, oomatshini, umbane, kunye nezixhobo (ngaphandle kwezixhobo zokuhlalutya kunye nezixhobo zemitha) zezixhobo zokwahlula umoya zifakelwe kwaye zilinganiswe ukuba zifaneleke.
Zonke iimpompo zamanzi ezisebenza ngoomatshini, iimpompo zeoksijini zolwelo, iicompressor zomoya, iibooster, izandisi ze-turbine, njl.njl. zineemeko zokuqalisa, kwaye ezinye kufuneka zivavanywe kumatshini omnye kuqala.
Inkqubo yokutshintsha i-molecular sieve inemiqathango yokuqala, kwaye inkqubo yokutshintsha i-molecular iqinisekisiwe ukuba iyakwazi ukusebenza ngokuqhelekileyo. Ukufudumeza kunye nokucocwa kombhobho womphunga woxinzelelo oluphezulu kugqityiwe. Inkqubo yomoya yesixhobo sokulinda sele isetyenzisiwe, igcina uxinzelelo lomoya wesixhobo ngaphezulu kwe-0.6MPa (G).
2.Ukucocwa kwemibhobho yeyunithi yokwahlula umoya
Qala inkqubo ye-oyile yokuthambisa kunye nenkqubo yegesi yokutywina ye-injini yomphunga, icompressor yomoya kunye nempompo yamanzi okupholisa. Phambi kokuba uqalise i-compressor yomoya, vula ivalve ye-vent ye-compressor yomoya kwaye utywine indawo yokungena yomoya yenqaba yokupholisa umoya ngepleyiti eyimfama. Emva kokuba umbhobho wokuphuma womoya ucociwe, uxinzelelo lokuphuma lufikelela kuxinzelelo olulinganisiweyo lokuphuma kunye nethagethi yokucoca yombhobho ifanelekile, qhagamshela umbhobho wokupholisa umoya wokupholisa umoya, qalisa inkqubo yokupholisa umoya (phambi kokucoca, ukupakishwa kwentonga yokupholisa umoya akufuneki kuzaliswe; isihluzo somoya se-molecular sieve adsorber inlet inlet), qhawula i-sieve ye-molecular inlet, i-sieve ye-adsorber inlet inlet iqala ukukhulula i-sieve. inkqubo yokucoca (phambi kokucoca, i-molecular sieve adsorber adsorbent mayingazaliswa; i-air inlet inlet inlet flange kufuneka inqunyulwe), misa icompressor yomoya de kube usukelo lufanelekile, gcwalisa i-aircooling tower yokupakisha kunye ne-molecular sieve adsorber adsorbent, kwaye uqalise kwakhona isihluzo, inkqubo ye-steam, i-aircop turbine ye-airco. ukuzaliswa, ubuncinane iiveki ezimbini zokusebenza okuqhelekileyo emva kokuvuselelwa, ukupholisa, ukunyuka koxinzelelo, i-adsorption, kunye nokunciphisa uxinzelelo. Emva kwexesha lokufudumeza, imibhobho yomoya yenkqubo emva kwe-adsorber ye-molecular sieve kunye nemibhobho yangaphakathi ye-fractionation tower ingavuthelwa. Oku kubandakanya abatshintshi bobushushu obunoxinzelelo oluphezulu, abatshintshi bobushushu obuphantsi koxinzelelo, izikhuthazi zomoya, izandisi zeinjini yomoya, kunye nezixhobo zokwahlula umoya. Nika ingqalelo ekulawuleni ukuhamba komoya ungena kwinkqubo yokucoca i-molecular sieve ukuphepha ukuxhathisa okugqithisileyo kwe-molecular sieve eyonakalisa umaleko webhedi. Ngaphambi kokuvuthela inqaba yokwahlula, yonke imibhobho yomoya engena kwibhokisi ebandayo yeqhekeza kufuneka ifakwe izihluzo zexeshana ukuthintela uthuli, i-welding slag kunye nezinye izinto ezingcolileyo ekungeneni kutshintshiselwano lobushushu kwaye zichaphazela isiphumo sokutshintshana kobushushu. Qala i-oyile yokuthambisa kunye nenkqubo yegesi yokutywina phambi kokuvuthela isandisi se-iturbine kunye nempompo ye-oxygen engamanzi. Zonke iindawo zokutywina zegesi zezixhobo zokwahlula umoya, kuqukwa nombhobho wokwandisa i-iturbine, kufuneka zivalwe.
3. Ukupholisa ngaphandle kunye nokugunyaziswa kokugqibela kweyunithi yokwahlula umoya
Yonke imibhobho engaphandle kwebhokisi ebandayo iyavuthelwa, kwaye yonke imibhobho kunye nezixhobo ezikwibhokisi ebandayo ziyafudunyezwa kwaye zivuthelwe ukukhawulelana neemeko zokupholisa kwaye zilungiselele uvavanyo lokupholisa olungenanto.
Xa ukupholisa kwe-distillation tower kuqala, umoya okhutshwe yi-compressor yomoya awukwazi ukungena ngokupheleleyo kwi-distillation tower. Umoya ocinezelekileyo ogqithisileyo ukhutshelwa kwi-atmosfera ngevalve yokuphuma, ngaloo ndlela igcina uxinzelelo lokukhutshwa kwecompressor yomoya lungatshintshanga. Njengoko iqondo lobushushu lenxalenye nganye ye-distillation tower liye lincipha ngokuthe ngcembe, isixa somoya otsalweyo siya kwanda ngokuthe ngcembe. Ngeli xesha, inxalenye yerhasi ye-reflux kwi-distillation tower ithunyelwa kwinqaba yokupholisa amanzi. Inkqubo yokupholisa kufuneka iqhutywe ngokucothayo nangokulinganayo, ngesantya sokupholisa esiphakathi kwe-1 ~ 2℃/h ukuqinisekisa ubushushu obufanayo bendawo nganye. Ngethuba lenkqubo yokupholisa, umthamo wokupholisa we-expander yegesi kufuneka ugcinwe phezulu. Xa umoya kwisiphelo esibandayo somshicileli omkhulu wokushisa usondele kwiqondo lokushisa le-liquefaction, isigaba sokupholisa siphela.
Inqanaba lokupholisa lebhokisi elibandayo ligcinwa ixesha elithile, kwaye ukuvuza okuhlukeneyo kunye nezinye iindawo ezingagqitywanga zihlolwe kwaye zilungiswe. Emva koko misa umatshini ngesinyathelo ngesinyathelo, qalisa ukulayisha isanti yeperile kwibhokisi ebandayo, qalisa izixhobo zokwahlula umoya ngenyathelo emva kokulayisha, kwaye ungene kwakhona kwinqanaba lokupholisa. Qaphela ukuba xa izixhobo zokwahlula umoya ziqaliswa, igesi yokuvuselela i-molecular sieve isebenzisa umoya ohlanjululwe yi-molecular sieve. Xa izixhobo zokwahlula umoya ziqaliswa kwaye kukho igesi eyaneleyo yokuvuselela, indlela engcolileyo ye-ammonia isetyenziswa. Ngethuba lenkqubo yokupholisa, ubushushu kwibhokisi ebandayo buyancipha ngokuthe ngcembe. Inkqubo yokuzaliswa kwebhokisi ebandayo ye-ammonia kufuneka ivulwe ngexesha lokuthintela uxinzelelo olubi kwibhokisi ebandayo. Emva koko izixhobo ezikwibhokisi ebandayo ziphinda ziphole, umoya uqala ukuncibilika, ulwelo luqala ukubonakala kwinqaba esezantsi, kwaye inkqubo ye-distillation yeenqaba eziphezulu nezisezantsi iqala ukusekwa. Emva koko uhlengahlengise ngokucothayo iivalvu nganye nganye ukwenza ukwahlula komoya kusebenze ngokuqhelekileyo.
Ukuba ufuna ukwazi iinkcukacha ezithe vetshe, nceda uqhagamshelane nathi ngokukhululekileyo:
Qhagamshelana: Lyan.Ji
Umnxeba: 008618069835230
Mail: Lyan.ji@hznuzhuo.com
Whatsapp: 008618069835230
WeChat: 008618069835230
Ixesha lokuposa: Apr-24-2025