Iyunithi yokuhlukaniswa komoya ye-KDON-32000/19000 iyingxenye eyinhloko yobunjiniyela bomphakathi esekela iphrojekthi engu-200,000 t/a ethylene glycol. Ihlinzeka ngokuyinhloko i-hydrogen eluhlaza kuyunithi ye-gasification ecindezelweyo, iyunithi ye-ethylene glycol synthesis, ukulungiswa kwesibabule, nokwelashwa kwendle, futhi inikeza i-nitrogen enengcindezi ephezulu nephansi kumayunithi ahlukahlukene wephrojekthi ye-ethylene glycol yokuhlanzwa kokuqala nokuvala, futhi inikeza umoya weyunithi nomoya wensimbi.
INKQUBO YE-A.TECHNICAL
Imishini yokuhlukanisa umoya ye-KDON32000/19000 iklanywe futhi yakhiqizwa yi-Newdraft, futhi yamukela uhlelo lokugeleza kwenqubo yokuhlanzwa kwe-adsorption yamangqamuzana anomfutho ophansi, isiqandisi sendlela yokwandisa i-air booster turbine, ukucindezela komoya-mpilo womkhiqizo wangaphakathi, ukucindezela kwangaphandle kwe-nitrogen ye-nitrogen, kanye nokujikeleza kwe-air booster. Umbhoshongo ophansi wamukela umbhoshongo wepuleti lesisefo osebenza kahle kakhulu, futhi umbhoshongo ongaphezulu wamukela ukupakishwa okuhlelekile kanye nenqubo yokukhiqiza ye-hydrogen-free argon egcwele i-distillation.
Umoya oluhlaza umuncwa endaweni yokungena, futhi uthuli nokunye ukungcola okusemishinini kususwa isihlungi somoya esizihlanzayo. Umoya ngemva kokuba isihlungi singena ku-compressor ye-centrifugal, futhi ngemva kokucindezelwa yi-compressor, singena embhoshongweni wokupholisa umoya. Ngenkathi ipholisa, ingaphinda ihlanze ukungcola okuncibilika kalula emanzini. Umoya ngemva kokushiya umbhoshongo wokupholisa ungena ku-molecular sieve purifier ukuze ushintshe. I-carbon dioxide, i-acetylene kanye nomswakama emoyeni kuyakhangiswa. Isihlanzi se-molecular sieve sisetshenziswa ezimodini ezimbili zokushintsha, eyodwa yazo esebenzayo kuyilapho enye ikhiqiza kabusha. Umjikelezo wokusebenza wesihlanzi cishe amahora angu-8, futhi isihlanzi esisodwa sishintshwa kanye njalo emahoreni angu-4, futhi ukushintsha okuzenzakalelayo kulawulwa uhlelo oluhlelekayo.
Umoya ngemva kwe-adsorber ye-molecular sieve ihlukaniswe yaba imifudlana emithathu: umfudlana owodwa ukhishwa ngokuqondile kusikhangisi se-molecular sieve njengomoya wensimbi wemishini yokuhlukanisa umoya, umfudlana owodwa ungena ku-low-pressure plate-fin heat exchanger, upholiswe yi-reflux engcolile i-ammonia ne-ammonia, bese ungena emfudlaneni owodwa emva komfula, uhlukaniswe umfudlana ophansi, uhlukanise umoya. ukucindezelwa kwesigaba sokuqala se-booster. Ukusakaza okukodwa kukhishwa ngokuqondile futhi kusetshenziswe njengomoya wensimbi yesistimu nomoya wedivayisi ngemva kokunciphisa ingcindezi, futhi okunye ukusakaza kuyaqhubeka nokucindezelwa ku-booster futhi kuhlukaniswe imifudlana emibili ngemva kokucindezelwa esigabeni sesibili. Ukusakaza okukodwa kukhishwa futhi kupholiswe kuzinga lokushisa legumbi futhi kuya ekugcineni okuthuthukisiwe kwe-turbine expander ukuze kuqhutshekwe nokucindezela, bese kukhishwa ngesishintshi sokushisa esinomfutho ophezulu bese kungena kusisandisi ukuze kunwetshwe nomsebenzi. Umoya oswakeme owandisiwe ungena kusihlukanisi se-gas-liquid, futhi umoya ohlukanisiwe ungena embhoshongweni ophansi. Umoya owuketshezi okhishwe kusihlukanisi segesi-uketshezi ungena embhoshongweni ophansi njengoketshezi lomoya owuketshezi lwe-reflux, futhi omunye umfudlana uyaqhubeka nokucindezelwa ku-booster kuze kufike ekucindezelweni kwesiteji sokugcina, bese upholiswa ekamelweni lokushisa ngesipholile bese ungena kusishintshi sokushisa esinomfutho ophezulu wepuleti-fin sokushintshana kokushisa nge-oksijeni ewuketshezi kanye ne-reflux ye-nitrogen engcolile. Le ngxenye yomoya wengcindezi ephezulu ifakwa uketshezi Ngemva kokuthi umoya owuketshezi ukhishwe ngaphansi kwesishintshi sokushisa, ungena embhoshongweni ophansi ngemva kokudonsa umoya. Ngemuva kokuthi umoya uhlanjululwe embhoshongweni ophansi, kutholakala umoya owuketshezi othambile, umoya owuketshezi ogcwele umoya-mpilo, i-nitrogen ewuketshezi emsulwa kanye ne-ammonia ehlanzekile kakhulu. Umoya owuketshezi ongenawo amandla, umoya owuketshezi onothe nge-oksijini kanye ne-nitrogen ewuketshezi ehlanzekile kuphole kakhulu endaweni epholile futhi kuphonswe embhoshongweni ongaphezulu ukuze kuqhutshekwe kufakwa isihluzi. Umoya-mpilo owuketshezi otholwe phansi kombhoshongo ongaphezulu ucindezelwa yiphampu ye-oksijini ewuketshezi bese ungena emshinini wokushisa we-high-pressure plate-fin ukuze ushise kabusha, bese ungena kunethiwekhi yepayipi lomoya-mpilo. I-nitrogen ewuketshezi etholakala phezulu kombhoshongo ongezansi iyakhishwa futhi ingene ethangini lokugcina i-ammonia eliwuketshezi. I-ammonia ehlanzekile etholakala phezulu kombhoshongo ophansi ishiswa kabusha isishintshi sokushisa esinengcindezi ephansi futhi ingena kunethiwekhi yepayipi le-ammonia. I-nitrogen enengcindezi ephansi etholakala engxenyeni engenhla yombhoshongo ishiswa kabusha isishintshi sokushisa esinengcindezi ephansi bese iphuma ebhokisini elibandayo, bese icindezelwa ku-0.45MPa yi-nitrogen compressor bese ingena kunethiwekhi yamapayipi e-ammonia. Inani elithile lengxenye ye-argon likhishwa phakathi kombhoshongo ongaphezulu futhi lithunyelwe kumbhoshongo ongahluziwe we-xenon. Ingxenyana ye-xenon igaywa embhoshongweni we-argon ongahluziwe ukuze kutholwe i-argon yoketshezi olungahluziwe, bese ithunyelwa phakathi kombhoshongo we-argon ocwengekile. Ngemuva kokukhishwa kwe-distillation embhoshongweni we-argon ocwengekile, i-xenon ewuketshezi ecwengisisiwe itholakala phansi kombhoshongo. Igesi ye-ammonia engcolile ikhishwa engxenyeni engenhla yombhoshongo ongenhla, futhi ngemva kokushiswa kabusha yi-cooler, i-low-pressure plate-fin heat exchanger kanye ne-high-pressure plate-fin heat exchanger futhi iphuma ebhokisini elibandayo, ihlukaniswe izingxenye ezimbili: ingxenye eyodwa ingena ku-heater ye-molecular sieve yokuhlanza uhlelo njenge-molecular dirty gasve ye-nitrogen esele ku-gasve yamangqamuzana. umbhoshongo wokupholisa. Uma uhlelo lokulondoloza umoya-mpilo owuketshezi ludinga ukuqaliswa, umoya-mpilo owuketshezi osethangini lokugcina umoya-mpilo owuketshezi ushintshelwa kusivuvuvuvu se-oksijini esiwuketshezi ngevalvu elawulayo, bese singena kunethiwekhi yepayipi lomoya-mpilo ngemva kokuthola umoya-mpilo onomfutho ophansi; lapho uhlelo lokulondoloza i-nitrogen ewuketshezi ludinga ukuqaliswa, i-ammonia ewuketshezi ethangini lokugcina i-nitrogen ewuketshezi ishintshelwa kusivuvuvuvu se-oksijini esiwuketshezi ngevalvu elawulayo, bese icindezelwa yi-ammonia compressor ukuze kutholwe i-nitrogen yokucindezela okuphezulu ne-ammonia yomfutho ophansi, bese ingena kunethiwekhi yepayipi le-nitrogen.
B.UHLELO LOKULAWULA
Ngokwesilinganiso kanye nezici zenqubo yemishini yokuhlukanisa umoya, uhlelo lokulawula olusabalalisiwe lwe-DCS luyamukelwa, luhlanganiswe nokukhethwa kwezinhlelo ze-DCS ezithuthuke emhlabeni wonke, ama-valve okulawula abahlaziyi be-inthanethi nezinye izingxenye zokulinganisa nokulawula. Ngaphezu kokukwazi ukuqedela ukulawulwa kwenqubo yeyunithi yokuhlukanisa umoya, ingaphinde ibeke wonke ama-valve okulawula endaweni ephephile lapho iyunithi ivaliwe engozini, futhi amaphampu ahambisanayo angena esimweni sokuvala ukuphepha ukuqinisekisa ukuphepha kweyunithi yokuhlukanisa umoya. Amayunithi amakhulu okucindezela ama-turbine compressor asebenzisa amasistimu okulawula e-ITCC (i-turbine compressor unit integrated control systems) ukuze aqedele ukulawulwa kohambo olunesivinini esiphezulu seyunithi, ukulawulwa kokunqanyulwa kwezimo eziphuthumayo kanye nemisebenzi yokulawula ukuqubuka, futhi angathumela amasignali ohlelweni lokulawula lwe-DCS ngendlela yocingo oluqinile nokuxhumana.
C. Izindawo zokuqapha eziyinhloko zeyunithi yokuhlukaniswa komoya
Ukuhlaziywa kokuhlanzeka komkhiqizo we-oxygen negesi ye-nitrogen eshiya isishintshi sokushisa esinomfutho ophansi, ukuhlaziywa kokuhlanzeka komoya owuketshezi ophansi, ukuhlaziywa kombhoshongo ophansi we-nitrogen owuketshezi, ukuhlaziya ubumsulwa begesi ephuma embhoshongweni ongaphezulu, ukuhlaziya ukuhlanzeka kwegesi engena ku-subcooler, ukuhlaziya ubumsulwa be-oksijini ewuketshezi embhoshongweni ongaphezulu, izinga lokushisa ngemuva kwe-condenser engahluziwe reflux uketshezi lwe-valve yokugeleza komoya, i-gaslid ye-gastill ye-valve yokugeleza komoya njalo inkomba yokushisa yegesi ye-nitrogen engcolile eshiya isishintshi sokushisa esinomfutho ophezulu, ukuhlaziya ukuhlanzeka komoya ongena emshinini wokushisa ophansi, izinga lokushisa lomoya lishiya isishintshi sokushisa esinomfutho ophezulu, izinga lokushisa kanye nomehluko wokushisa wegesi engcolile ye-ammonia eshiya isishintshi sokushisa, ukuhlaziya igesi endaweni engenhla yombhoshongo we-xenon ethekwini lokukhipha ingxenye: konke lokhu okungowokuqoqa idatha ngesikhathi sokuqalisa nokusebenza okujwayelekile ukuze kulungiswe isimo sokusebenza komoya esizuzisayo kanye nokusebenza komoya okuzuzisayo. imishini yokuhlukanisa. Ukuhlaziywa kwe-nitrous oxide nokuqukethwe kwe-acetylene ekupholiseni okuyinhloko, nokuhlaziywa kokuqukethwe komswakama emoyeni wokuthuthukisa: ukuze kuvinjwe umoya onomswakama ukuthi ungangeni ohlelweni lwe-distillation, okubangela ukuqina nokuvinjelwa kwesiteshi sokushisa ukushisa, okuthinta indawo yokushisa ukushisa nokusebenza kahle, i-acetylene izoqhuma ngemva kokuqoqwa kokupholisa okuyinhloko kudlula inani elithile. I-Liquid oxygen pump shaft seal gas flow, ukuhlaziywa kwengcindezi, i-liquid oxygen pump ephethe izinga lokushisa le-heater, izinga lokushisa le-labyrinth seal gas, izinga lokushisa lomoya we-liquid ngemva kokunwetshwa, i-expander seal gas pressure, ukugeleza, inkomba yokucindezela okuhlukile, ukucindezela kwamafutha okugcoba, izinga likawoyela ithangi kanye nezinga lokushisa elipholile langemuva, i-turbine expander ukuphela kokwandisa, i-booster end of oil inlet, ukugeleza okujwayelekile kokushisa, ukugeleza kokushisa okujwayelekile, ukugeleza kokushisa okujwayelekile, ukudlidliza kokushisa okujwayelekile. i-turbine expander kanye ne-liquid oxygen pump, futhi ekugcineni ukuqinisekisa ukusebenza okuvamile kokuhlukaniswa komoya.
I-molecular sieve yokushisisa ingcindezi eyinhloko, ukuhlaziya ukugeleza, izinga lokushisa le-molecular sieve (i-nitrogen engcolile) indawo yokushisa nokuphumayo, inkomba yengcindezi, izinga lokushisa legesi le-molecular sieve regeneration kanye nokugeleza, inkomba yokumelana nesistimu yokuhlanza, inkomba yomehluko we-molecular sieve outlet pressure, izinga lokushisa lokungena kwesitimu, i-alamu ekhombisa ingcindezi, i-alamu yokuvuselela igesi ephuma ku-outlet H20, i-alamu yokuhlaziya i-air molecular, ukuhlaziywa kwe-alamu ye-CO2, i-alamu ye-alamu i-inlet low tower kanye ne-booster flow inkomba: ukuqinisekisa ukusebenza okujwayelekile kokushintsha kwe-molecular sieve adsorption system kanye nokuqinisekisa ukuthi okuqukethwe komoya kwe-CO2 ne-H20 okungena ebhokisini elibandayo kusezingeni eliphansi. Inkomba yomfutho womoya wensimbi: ukuqinisekisa ukuthi umoya wensimbi wokuhlukanisa umoya nomoya wensimbi onikezwe kunethiwekhi yamapayipi ufinyelela ku-0.6MPa (G) ukuze kuqinisekiswe ukusebenza okuvamile kokukhiqiza.
D.Izici zeyunithi yokuhlukanisa umoya
1. Izici zenqubo
Ngenxa yomfutho ophezulu we-oksijini wephrojekthi ye-ethylene glycol, imishini yokuhlukanisa umoya ye-KDON32000/19000 yamukela umjikelezo wokuthuthukisa umoya, ukucindezelwa kwangaphakathi kwe-oksijini ye-liquid kanye nenqubo yokucindezelwa kwangaphandle kwe-ammonia, okungukuthi, i-air booster + liquid pump pump + booster turbine expander ihlanganiswe nenhlangano enengqondo yohlelo lokushintshanisa ukushisa komoya ukuze kuthathelwe indawo i-compressor yangaphandle ye-oxygen. Izingozi zokuphepha ezibangelwa ukusetshenziswa kwe-oxygen compressors ohlelweni lokucindezela kwangaphandle ziyancipha. Ngesikhathi esifanayo, inani elikhulu lomoya-mpilo owuketshezi okhishwa ukupholisa okuyinhloko lingaqinisekisa ukuthi amathuba okunqwabelana kwe-hydrocarbon ku-oxygen oketshezi oluwuketshezi oluyinhloko ancishisiwe ukuze kuqinisekiswe ukusebenza okuphephile kwemishini yokuhlukanisa umoya. Inqubo yokucindezela kwangaphakathi inezindleko eziphansi zokutshala izimali kanye nokucushwa okunengqondo.
2. Izici zemishini yokuhlukanisa umoya
Isihlungi somoya esizihlanzayo sifakwe isistimu yokulawula okuzenzakalelayo, engakwazi ukubuyisela emuva ngokuzenzakalelayo futhi ingalungisa uhlelo ngokuvumelana nosayizi wokumelana. Uhlelo lwe-precooling luthatha umbhoshongo wokupakisha ongahleliwe osebenza kahle kakhulu futhi ongamelani kakhulu, futhi umsabalalisi we-liquid wamukela umsabalalisi omusha, osebenza kahle futhi othuthukisiwe, ongagcini nje ngokuqinisekisa ukuthintana okugcwele phakathi kwamanzi nomoya, kodwa futhi uqinisekisa ukusebenza kokushintshaniswa kokushisa. I-wire mesh demister isethwe phezulu ukuze kuqinisekiswe ukuthi umoya ophuma embhoshongweni wokupholisa umoya awuwathwali amanzi. Isistimu yokukhangisa ngesisefo samangqamuzana isebenzisa umjikelezo omude kanye nokuhlanzwa kwemibhede enezingqimba ezimbili. Uhlelo lokushintsha lusebenzisa ubuchwepheshe bokulawula ukushintsha okungenamthelela, futhi isifudumezi esikhethekile sisetshenziselwa ukuvimbela isitimu sokushisisa ukuthi singavuzi siye ohlangothini lwenitrogen engcolile ngesikhathi sesigaba sokuvuselela.
Yonke inqubo yohlelo lombhoshongo we-distillation isebenzisa ukubala kwesoftware ye-ASPEN ethuthuke emhlabeni wonke kanye ne-HYSYS. Umbhoshongo ophansi wamukela umbhoshongo wepuleti lesisefo osebenza kahle kakhulu futhi umbhoshongo ongaphezulu wamukela umbhoshongo ojwayelekile wokupakisha ukuze uqinisekise izinga lokukhishwa kwedivayisi nokunciphisa ukusetshenziswa kwamandla.
E.Ingxoxo ngenqubo yokwehliswa nokulayishwa kwezimoto ezine-air-conditioner
1. Izimo okufanele zihlangatshezwe ngaphambi kokuqala ukuhlukaniswa komoya:
Ngaphambi kokuqala, hlela futhi ubhale uhlelo lokuqalisa, okuhlanganisa inqubo yokuqalisa kanye nokusingatha izingozi eziphuthumayo, njll. Yonke imisebenzi phakathi nenqubo yokuqalisa kufanele yenziwe esizeni.
Ukuhlanzwa, ukushaywa kanye nokusebenza kokuhlola kohlelo lwamafutha okugcoba sekuqediwe. Ngaphambi kokuqala iphampu kawoyela wokugcoba, igesi yokuvala kufanele yengezwe ukuvimbela ukuvuza kukawoyela. Okokuqala, ukuhlunga okuzijikelezayo kwethangi lamafutha okugcoba kufanele kwenziwe. Lapho izinga elithile lokuhlanzeka lifinyelelwa, ipayipi likawoyela lixhunywa ukuze ligezwe futhi lihlungwe, kodwa iphepha lokuhlunga liyengezwa ngaphambi kokungena ku-compressor ne-turbine futhi lihlale lishintshwa ukuze kuqinisekiswe ukuhlanzeka kwamafutha angena emishinini. Ukugudluzwa nokusetshenziswa kwesistimu yamanzi ajikelezayo, uhlelo lokuhlanza amanzi, kanye nesistimu yokukhipha amanzi yokuhlukanisa umoya kuyaqedwa. Ngaphambi kokufakwa, ipayipi elinothiswe i-oksijini lokuhlukaniswa komoya lidinga ukuh Amapayipi, imishini, ugesi, namathuluzi (ngaphandle kwamathuluzi okuhlaziya namathuluzi okulinganisa) ezinto zokusebenza zokuhlukanisa umoya zifakiwe futhi zalinganiswa ukuze zifaneleke.
Wonke amaphampu amanzi ayimishini esebenzayo, amaphampu omoya-mpilo awuketshezi, ama-compressor komoya, ama-booster, izikhulisi zama-turbine, njll. anemibandela yokuqala, futhi amanye kufanele ahlolwe emshinini owodwa kuqala.
Isistimu yokushintsha i-molecular sieve inemibandela yokuqala, futhi uhlelo lokushintsha ama-molecular luqinisekisiwe ukuthi luyakwazi ukusebenza ngokujwayelekile. Ukushisisa nokuhlanzwa kwepayipi lesitimu esinomfutho ophezulu sekuqediwe. Isistimu yomoya yensimbi elindile isisetshenzisiwe, igcina umfutho womoya wensimbi ungaphezulu kuka-0.6MPa(G).
2.Ukuhlanzwa kwamapayipi okuhlukanisa umoya
Qala isistimu kawoyela wokugcoba kanye nesistimu yegesi yokuvala ye-steam turbine, i-compressor yomoya kanye nepompo yamanzi okupholisa. Ngaphambi kokuqala i-compressor yomoya, vula i-valve yokukhipha umoya ye-compressor yomoya bese uvala i-air compressor yombhoshongo wokupholisa umoya ngepuleti eliyimpumputhe. Ngemuva kokuthi ipayipi le-compressor outlet selisusiwe, ingcindezi yokukhipha umoya ifinyelela kumfutho olinganisiwe wokukhipha futhi ithagethi yokuhlanza ipayipi ifanelekile, xhuma ipayipi lokupholisa lombhoshongo wokupholisa umoya, qala uhlelo lokupholisa komoya (ngaphambi kokuhlanza, ukupakishwa kombhoshongo wokupholisa komoya akumele kugcwaliswe; isisefo somoya se-molecular sieve adsorber inlet inlet), nqamula i-sieve ye-adsorber inlet, nqamula i-sieve ye-molecular inlet uhlelo lokuhlanza (ngaphambi kokuhlanza, i-adsorbent ye-molecular sieve adsorbent akumele igcwaliswe; i-air inlet cold box inlet flange kufanele inqanyulwe), misa i-compressor yomoya kuze kube yilapho umgomo ufanelekile, gcwalisa ukupakisha kombhoshongo wokupholisa umoya kanye ne-molecular sieve adsorber adsorbent, bese uqala kabusha isihlungi, isistimu ye-steam turbine, i-aircool turbine yesistimu ye-aircool ukugcwalisa, okungenani amasonto amabili okusebenza okuvamile ngemva kokuvuselelwa, ukupholisa, ukwanda kwengcindezi, i-adsorption, nokunciphisa ingcindezi. Ngemva kwesikhathi sokushisa, amapayipi omoya wesistimu ngemva kwe-adsorber ye-molecular sieve kanye namapayipi angaphakathi ombhoshongo wokuhlukaniswa angashaywa. Lokhu kufaka phakathi izishintshisi zokushisa ezinomfutho ophezulu, izishintshisi zokushisa ezinengcindezi ephansi, izithuthukisi zomoya, izinweba zomoya, nezisetshenziswa zombhoshongo zokuhlukaniswa komoya. Naka ukulawula ukugeleza komoya ongena ohlelweni lokuhlanza isisefo samangqamuzana ukuze ugweme ukumelana nesisefo samangqamuzana okulimaza ungqimba lombhede. Ngaphambi kokufutha umbhoshongo wokuhlukanisa, wonke amapayipi omoya angena ebhokisini elibandayo le-fractionation tower kufanele afakwe izihlungi zesikhashana ukuvimbela uthuli, i-welding slag nokunye ukungcola ekungeneni kwesishintshi sokushisa futhi kuthinte umphumela wokushintshanisa ukushisa. Qala uwoyela wokugcoba kanye nesistimu yegesi yokuvala ngaphambi kokufutha isixhumi se-turbine kanye nephampu ye-oxygen ewuketshezi. Zonke izindawo zokuvala igesi zemishini yokuhlukanisa umoya, okuhlanganisa umlomo wesiqhumane se-turbine, kufanele zivalwe.
3. Ukupholisa okungenalutho kanye nokusetshenziswa kokugcina kweyunithi yokuhlukanisa umoya
Wonke amapayipi angaphandle kwebhokisi elibandayo ayaphephuka, futhi wonke amapayipi nezinto zokusebenza ezisebhokisini elibandayo ziyashisiswa futhi ziphephethwe ukuze kuhlangatshezwane nezimo zokupholisa futhi zilungiselela ukuhlolwa kokupholisa okungenalutho.
Lapho ukupholisa kombhoshongo wokuphuza utshwala kuqala, umoya okhishwa yi-compressor yomoya awukwazi ukungena ngokuphelele embhoshongweni wokukhipha izintila. Umoya ocindezelwe owedlulele ukhishelwa emkhathini ngevalvu yokukhipha umoya, ngaleyo ndlela ugcine ingcindezi yokukhipha i-compressor emoyeni ingashintshile. Njengoba izinga lokushisa lengxenye ngayinye ye-distillation tower lincipha kancane kancane, inani lomoya ohogeliwe lizokhula kancane kancane. Ngalesi sikhathi, ingxenye yegesi ye-reflux embhoshongweni we-distillation ithunyelwa embhoshongweni wokupholisa amanzi. Inqubo yokupholisa kufanele yenziwe kancane futhi ngokulinganayo, ngesilinganiso sokupholisa esimaphakathi esingu-1 ~ 2℃/h ukuze kuqinisekiswe izinga lokushisa elifanayo lengxenye ngayinye. Phakathi nenqubo yokupholisa, amandla okupholisa we-expander yegesi kufanele agcinwe ezingeni eliphezulu. Lapho umoya osekugcineni okubandayo komshini wokushisa oyinhloko useduze nezinga lokushisa elincibilikayo, isigaba sokupholisa siyaphela.
Isigaba sokupholisa sebhokisi elibandayo sigcinwa isikhathi esithile, futhi ukuvuza okuhlukahlukene nezinye izingxenye ezingaqediwe ziyahlolwa futhi zilungiswe. Bese umisa umshini isinyathelo ngesinyathelo, qala ukulayisha isihlabathi separele ebhokisini elibandayo, qala imishini yokuhlukanisa umoya isinyathelo ngesinyathelo ngemva kokulayisha, uphinde ungene esiteji sokupholisa. Qaphela ukuthi lapho imishini yokuhlukanisa umoya iqalwa, igesi yokuvuselela yesihluzo samangqamuzana isebenzisa umoya ohlanzwe ngesisefo samangqamuzana. Lapho imishini yokuhlukanisa umoya iqalwa futhi kunegesi eyanele yokuvuselela, kusetshenziswa indlela engcolile yokugeleza kwe-ammonia. Phakathi nenqubo yokupholisa, izinga lokushisa ebhokisini elibandayo liyancipha kancane kancane. Ibhokisi elibandayo lokugcwalisa i-ammonia kufanele livulwe ngesikhathi ukuvimbela ukucindezela okungalungile ebhokisini elibandayo. Khona-ke izinto ezisebhokisini elibandayo ziyapholiswa ngokwengeziwe, umoya uqala ukuncibilika, uketshezi luqala ukubonakala embhoshongweni ophansi, futhi inqubo yokukhishwa kwe-distillation yemibhoshongo engaphezulu nephansi iqala ukusungulwa. Bese ulungisa kancane ama-valve ngamunye ngamunye ukuze wenze ukuhlukaniswa komoya kusebenze ngendlela evamile.
Uma ufuna ukwazi ulwazi olwengeziwe, sicela usithinte ngokukhululekile:
Oxhumana naye: Lyan.Ji
Ucingo: 008618069835230
Mail: Lyan.ji@hznuzhuo.com
WhatsApp: 008618069835230
WeChat: 008618069835230
Isikhathi sokuthumela: Apr-24-2025