HANGZHOU NUZHUO TECHNOLOGY GROUP CO.,LTD.

KDON-32000/19000 air leating unit ndiye gawo lalikulu lothandizira anthu pa ntchito ya 200,000 t/a ethylene glycol. Imapereka makamaka hydrogen yaiwisi ku gawo lopaka mpweya wopanikizika, gawo lopangira ethylene glycol, kubwezeretsa sulfure, ndi chithandizo cha zimbudzi, ndipo imapereka nayitrogeni yamphamvu komanso yotsika ku mayunitsi osiyanasiyana a polojekiti ya ethylene glycol kuti iyambe kutsuka ndi kutseka, komanso imapereka mpweya ndi zida zamagetsi.

China NUZHUO Nitrogen Cryogenic Plant Air Separation Unit N2 Generator System Cryogenic Oxygen Plant Liquid fakitale ndi ogulitsa | Nuzhuo

A. NJIRA YA Ukadaulo

Zipangizo zolekanitsa mpweya za KDON32000/19000 zapangidwa ndi kupangidwa ndi Newdraft, ndipo zimagwiritsa ntchito njira yoyendetsera kayendedwe kake ka kuyeretsa kwathunthu kwa mamolekyulu otsika mphamvu, kuzizira kwa makina owonjezera mpweya, kupsinjika kwamkati kwa okosijeni, kupsinjika kwakunja kwa nayitrogeni wotsika mphamvu, ndi kuzungulira kwa mpweya. Nsanja yapansi imagwiritsa ntchito nsanja ya mbale yosefera yogwira ntchito bwino kwambiri, ndipo nsanja yapamwamba imagwiritsa ntchito njira yopangira ma argon yokonzedwa bwino komanso yopanda hydrogen.

Mpweya wosaphika umalowa kuchokera mu cholowera, ndipo fumbi ndi zinthu zina zonyansa zamakina zimachotsedwa ndi fyuluta yodziyeretsa yokha. Mpweya wotsatira fyuluta umalowa mu compressor ya centrifugal, ndipo compressor ikakakamizidwa, umalowa mu nsanja yoziziritsira mpweya. Pamene ikuzizira, imathanso kuyeretsa zonyansa zomwe zimasungunuka mosavuta m'madzi. Mpweya ukachoka mu nsanja yoziziritsira umalowa mu molecular sieve purifier kuti isinthidwe. Carbon dioxide, acetylene ndi chinyezi mumlengalenga zimalowetsedwa. Molecular sieve purifier imagwiritsidwa ntchito m'njira ziwiri zosinthira, imodzi yomwe ikugwira ntchito pomwe inayo ikukonzanso. Nthawi yogwirira ntchito ya purifier ndi pafupifupi maola 8, ndipo purifier imodzi imasinthidwa kamodzi maola 4 aliwonse, ndipo kusintha kokha kumayendetsedwa ndi pulogalamu yosinthika.

Mpweya pambuyo pa molecular sieve adsorber umagawidwa m'mitsinje itatu: mtsinje umodzi umachotsedwa mwachindunji kuchokera ku molecular sieve adsorber ngati chipangizo cha mpweya chopangira zida zolekanitsa mpweya, mtsinje umodzi umalowa mu plate-fin heat exchanger yotsika, umazizidwa ndi ammonia ndi ammonia yodetsedwa, kenako umalowa mu nsanja yapansi, mtsinje umodzi umapita ku air booster, ndipo umagawidwa m'mitsinje iwiri pambuyo pa gawo loyamba la booster compression. Mtsinje umodzi umachotsedwa mwachindunji ndikugwiritsidwa ntchito ngati chipangizo cha dongosolo mpweya ndi chipangizo mpweya utachepetsedwa kuthamanga, ndipo mtsinje wina umapitilira kupanikizika mu booster ndipo umagawidwa m'mitsinje iwiri pambuyo pokakamizidwa mu gawo lachiwiri. Mtsinje umodzi umachotsedwa ndikuziziritsidwa kutentha kwa chipinda ndikupita kumapeto kwa boosting ya turbine expander kuti iwonjezere kupanikizika, kenako umachotsedwa kudzera mu high-pressure heat exchanger ndikulowa mu expander kuti ikule ndikugwira ntchito. Mpweya wonyowa wokulira umalowa mu gasi-liquid separator, ndipo mpweya wolekanitsidwa umalowa mu nsanja yapansi. Mpweya wamadzimadzi wochotsedwa mu gasi-madzimadzi wolekanitsa umalowa mu nsanja yapansi ngati madzi amadzimadzi obwezeretsanso mpweya, ndipo mtsinje wina umapitirira kukakamizidwa mu booster mpaka gawo lomaliza la kupsinjika, kenako umaziziritsidwa kutentha kwa chipinda ndi choziziritsira ndikulowa mu chosinthira kutentha cha plate-fin champhamvu kuti chisinthe kutentha ndi mpweya wamadzimadzi ndi nayitrogeni wodetsedwa. Gawo ili la mpweya wamadzimadzi limasungunuka. Mpweya wamadzimadzi ukachotsedwa pansi pa chosinthira kutentha, umalowa mu nsanja yapansi pambuyo pokoka. Mpweya ukasungunuka poyamba mu nsanja yapansi, mpweya wamadzimadzi wopanda mafuta, mpweya wamadzimadzi wochuluka okosijeni, nayitrogeni wamadzimadzi wokha ndi ammonia woyera kwambiri zimapezeka. Mpweya wamadzimadzi wopanda mafuta, mpweya wamadzimadzi wochuluka okosijeni ndi nayitrogeni wamadzimadzi wokha umazizira kwambiri mu chozizira ndikulowetsedwa mu nsanja yapamwamba kuti uwonjezere kusungunuka. Mpweya wamadzimadzi wopezeka pansi pa nsanja yapamwamba umakanikizidwa ndi pampu yamadzimadzi ya okosijeni kenako umalowa mu chosinthira kutentha cha plate-fin champhamvu kuti chitenthetsenso, kenako umalowa mu netiweki ya mapaipi a okosijeni. Nayitrogeni wamadzimadzi wopezeka pamwamba pa nsanja yapansi umachotsedwa ndikulowa mu thanki yosungira madzi ammonia. Ammonia woyeretsedwa kwambiri womwe umapezeka pamwamba pa nsanja yapansi umatenthedwanso ndi chosinthira kutentha chotsika ndipo umalowa mu netiweki ya mapaipi a ammonia. Nayitrogeni wochepa womwe umapezeka kuchokera pamwamba pa nsanja ya pamwamba umatenthedwanso ndi chosinthira kutentha chotsika cha plate-fin kenako umatuluka mu bokosi lozizira, kenako umakanikizidwa mpaka 0.45MPa ndi nitrogen compressor ndikulowa mu netiweki ya mapaipi a ammonia. Kuchuluka kwa gawo la argon kumachotsedwa pakati pa nsanja yapamwamba ndikutumizidwa ku nsanja yopanda xenon. Gawo la xenon limasungunuka mu nsanja yopanda chitsulo kuti lipeze argon yamadzimadzi yopanda chitsulo, yomwe imatumizidwa pakati pa nsanja yoyeretsedwa ya argon. Pambuyo posungunuka mu nsanja yoyeretsedwa ya argon, xenon yamadzimadzi yokonzedwanso imapezeka pansi pa nsanja. Mpweya wonyansa wa ammonia umatuluka kuchokera pamwamba pa nsanja yapamwamba, ndipo ukatenthedwanso ndi choziziritsira, chosinthira kutentha cha plate-fin chotsika mphamvu ndi chosinthira kutentha cha plate-fin chotsika mphamvu ndikutuluka m'bokosi lozizira, umagawidwa m'magawo awiri: gawo limodzi limalowa mu chotenthetsera cha nthunzi cha dongosolo loyeretsa sieve ya molecular ngati mpweya wokonzanso sieve ya molecular, ndipo mpweya wotsala wa nayitrogeni wonyansa umapita ku nsanja yoziziritsira madzi. Pamene dongosolo losungira mpweya wamadzimadzi likufunika kuyatsidwa, mpweya wamadzimadzi mu thanki yosungira mpweya wamadzimadzi umasinthidwa kukhala vaporizer yamadzimadzi kudzera mu valavu yowongolera, kenako umalowa mu netiweki ya mapaipi a okosijeni mutalandira mpweya wochepa mphamvu; pamene dongosolo losungira nayitrogeni lamadzimadzi likufunika kuyatsidwa, ammonia yamadzimadzi mu thanki yosungira nayitrogeni yamadzimadzi imasinthidwa kukhala vaporizer yamadzimadzi kudzera mu valavu yowongolera, kenako imayikidwa mu netiweki ya mapaipi a nayitrogeni.

B. NJIRA YOLAMULIRA

Malinga ndi kukula ndi mawonekedwe a zida zolekanitsira mpweya, makina owongolera ogawidwa a DCS amatengedwa, kuphatikiza ndi kusankha makina apamwamba padziko lonse lapansi a DCS, zowunikira ma valve owongolera pa intaneti ndi zida zina zoyezera ndi zowongolera. Kuphatikiza pa kutha kumaliza kuwongolera njira ya chipangizo cholekanitsira mpweya, imathanso kuyika ma valve onse owongolera pamalo otetezeka pamene chipangizocho chatsekedwa pangozi, ndipo mapampu ogwirizana nawo amalowa mumkhalidwe wotetezeka kuti atsimikizire chitetezo cha chipangizo cholekanitsa mpweya. Mayunitsi akuluakulu a compressor a turbine amagwiritsa ntchito makina owongolera a ITCC (makina owongolera ophatikizidwa a turbine compressor unit) kuti amalize kuwongolera kothamanga kwambiri kwa chipangizocho, kuwongolera kodulira mwadzidzidzi komanso ntchito zowongolera zotsutsana ndi kukwera kwa madzi, ndipo amatha kutumiza zizindikiro ku makina owongolera a DCS munjira ya mawaya olimba ndi kulumikizana.

C. Malo owunikira akuluakulu a gawo lolekanitsa mpweya

Kusanthula kwa mpweya wa okosijeni ndi mpweya wa nayitrogeni zomwe zimasiya chosinthira kutentha chotsika, kusanthula kwa mpweya wamadzimadzi wa nsanja yapansi, kusanthula kwa nayitrogeni wamadzimadzi wa nsanja yapansi, kusanthula kwa mpweya wamadzimadzi wochokera pamwamba, kusanthula kwa mpweya wamadzimadzi wolowa mu subcooler, kusanthula kwa mpweya wamadzimadzi mu nsanja yapamwamba, kutentha pambuyo pa crude condenser reflux liquid air constant flow valve, kupanikizika ndi kuchuluka kwa madzi komwe kumawonetsa distillation tower gas-liquid separator, chizindikiro cha kutentha kwa mpweya wa nayitrogeni wodetsedwa womwe umasiya chosinthira kutentha chotsika, kusanthula kwa mpweya wodetsedwa womwe umalowa chosinthira kutentha chotsika, kutentha kwa mpweya komwe kumasiya chosinthira kutentha chokwera, kusiyana kwa kutentha ndi kutentha kwa mpweya wa ammonia wodetsedwa womwe umasiya chosinthira kutentha, kusanthula kwa mpweya pa doko lotulutsira xenon fraction tower: zonsezi ndi zosonkhanitsira deta panthawi yoyambira ndi ntchito yanthawi zonse, zomwe zimathandiza kusintha momwe mpweya umagwirira ntchito ndikuwonetsetsa kuti zida zolekanitsa mpweya zikugwira ntchito bwino. Kusanthula kuchuluka kwa nitrous oxide ndi acetylene mu kuzizira kwakukulu, ndi kusanthula kuchuluka kwa chinyezi mu mpweya wowonjezera: kuti mpweya wokhala ndi chinyezi usalowe mu distillation system, zomwe zimapangitsa kulimba ndi kutsekeka kwa njira yosinthira kutentha, zomwe zimakhudza malo osinthira kutentha ndi magwiridwe antchito, acetylene imaphulika pambuyo poti kuchulukana mu kuzizira kwakukulu kwapitirira mtengo winawake. Kuyenda kwa mpweya wothira mpweya wa oxygen wamadzimadzi, kusanthula kwa kuthamanga, kutentha kwa chotenthetsera cha mpweya wa oxygen, kutentha kwa mpweya wothira mpweya wa labyrinth, kutentha kwa mpweya wamadzimadzi pambuyo pokulitsa, kuthamanga kwa mpweya wothira mpweya, kuyenda, chizindikiro chosiyana cha kuthamanga, kuthamanga kwa mafuta opaka, mulingo wa thanki yamafuta ndi kutentha kwa kumbuyo kwa choziziritsira mafuta, kumapeto kwa expander ya turbine, kuyenda kwa mafuta owonjezera, kutentha kwa bearing, chizindikiro cha kugwedezeka: zonsezi kuti zitsimikizire kuti expander ya turbine ndi pampu ya okosijeni yamadzimadzi zikugwira ntchito bwino komanso mwachizolowezi, ndipo pamapeto pake zitsimikizire kuti mpweya ukugwira ntchito bwino.

Kutenthetsa kwa sieve ya molekyulu, kusanthula kwa kuthamanga kwa mpweya, kutentha kwa mpweya wolowera ndi kutuluka kwa molekyulu (nayitrogeni wodetsedwa), chizindikiro cha kuthamanga, kutentha kwa mpweya wobwerera ndi kutuluka kwa sieve ya molekyulu, chizindikiro cha kukana kwa makina oyeretsera, chizindikiro cha kusiyana kwa kuthamanga kwa mpweya wotuluka, kutentha kwa mpweya wolowera, chizindikiro cha kuthamanga, chotenthetsera mpweya wobwerera, chizindikiro cha kutentha kwa mpweya wotuluka, chizindikiro cha kutentha kwa mpweya wobwerera, chizindikiro cha kutentha kwa mpweya wotuluka, chizindikiro cha kutentha kwa mpweya wotuluka, chizindikiro cha CO2, chizindikiro cha kutsika kwa mpweya wolowera ndi chizindikiro cha kuyenda kwa chilimbikitso: kuonetsetsa kuti makina osinthira a molekyulu akuyenda bwino komanso kuti mpweya wolowa m'bokosi lozizira ukuyenda bwino. Chizindikiro cha kuthamanga kwa mpweya: kuonetsetsa kuti mpweya wolekanitsa mpweya ndi mpweya woperekedwa ku netiweki ya mapaipi zikufika pa 0.6MPa (G) kuti zitsimikizire kuti ntchito yabwinobwino yopangira ikuyenda bwino.

D. Makhalidwe a chipangizo cholekanitsa mpweya

1. Makhalidwe a njira

Chifukwa cha mpweya woipa kwambiri wa pulojekiti ya ethylene glycol, zida zolekanitsa mpweya za KDON32000/19000 zimagwiritsa ntchito mpweya wowonjezera mpweya, mpweya wopondereza mkati mwa mpweya wamadzimadzi ndi mpweya wopondereza kunja kwa ammonia, ndiko kuti, mpweya wowonjezera mpweya + mpweya wopondereza mpweya wamadzimadzi + mpweya wowonjezera mphamvu umaphatikizidwa ndi dongosolo loyenera la kutentha kuti lilowe m'malo mwa mpweya wopondereza kunja kwa mpweya. Zoopsa zachitetezo zomwe zimachitika chifukwa cha kugwiritsa ntchito mpweya wopondereza mkati mwa mpweya wopondereza kunja zimachepetsedwa. Nthawi yomweyo, kuchuluka kwa mpweya wopondereza madzi wochotsedwa ndi mpweya wopondereza waukulu kumatha kutsimikizira kuti kuthekera kwa mpweya wopondereza madzi wopondereza mkati mwa mpweya wopondereza kumachepetsedwa kuti zitsimikizire kuti zipangizo zolekanitsa mpweya zikugwira ntchito bwino. Njira yopondereza mkati imakhala ndi ndalama zochepa zogulira komanso njira yabwino yokonzera.

2. Makhalidwe a zida zolekanitsa mpweya

Fyuluta yodziyeretsera yokha ili ndi makina owongolera okha, omwe amatha kubwezeretsanso nthawi yake ndikusinthira pulogalamuyo malinga ndi kukula kwa kukana. Makina oziziritsa asanayambe kugwiritsa ntchito nsanja yonyamula zinthu mwachisawawa komanso yolimba, ndipo makina ogawa madzi akugwiritsa ntchito makina atsopano, ogwira ntchito bwino komanso apamwamba, omwe samangotsimikizira kukhudzana kwathunthu pakati pa madzi ndi mpweya, komanso amatsimikizira magwiridwe antchito osinthira kutentha. Chotsukira waya chimayikidwa pamwamba kuti chitsimikizire kuti mpweya wochokera mu nsanja yoziziritsira mpweya sunyamula madzi. Makina odulira ma molecular sieve amagwiritsa ntchito njira yayitali komanso yoyeretsera mabedi awiri. Makina osinthira amagwiritsa ntchito ukadaulo wowongolera kusinthana wopanda kukhudza, ndipo chotenthetsera chapadera cha nthunzi chimagwiritsidwa ntchito kuteteza nthunzi yotenthetsera kuti isatuluke kumbali ya nayitrogeni yodetsedwa panthawi yokonzanso.

Njira yonse yogwiritsira ntchito makina opangira zinthu zoyeretsera imagwiritsa ntchito njira yowerengera mapulogalamu a ASPEN ndi HYSYS apamwamba padziko lonse lapansi. Nsanja yapansi imagwiritsa ntchito nsanja ya mbale yosefera yogwira ntchito bwino kwambiri ndipo nsanja yapamtunda imagwiritsa ntchito nsanja yokhazikika yolongedza kuti iwonetsetse kuti chipangizocho chikutulutsa mphamvu zambiri ndikuchepetsa kugwiritsa ntchito mphamvu.

E. Kukambirana za njira yotsitsa ndi kukweza magalimoto okhala ndi mpweya wozizira

1. Mikhalidwe yomwe iyenera kukwaniritsidwa musanayambe kulekanitsa mpweya:

Musanayambe, konzani ndikulemba dongosolo loyambira bizinesi, kuphatikizapo njira yoyambira bizinesi ndi kusamalira ngozi zadzidzidzi, ndi zina zotero. Ntchito zonse panthawi yoyambira bizinesi ziyenera kuchitikira pamalopo.

Kuyeretsa, kutsuka ndi kuyesa ntchito ya makina opaka mafuta kumamalizidwa. Musanayambe kugwiritsa ntchito pampu yamafuta opaka mafuta, mpweya wotseka uyenera kuwonjezeredwa kuti mafuta asatayike. Choyamba, kusefa kodziyendetsa wekha kwa thanki yamafuta opaka mafuta kuyenera kuchitika. Mukayeretsa bwino, payipi yamafuta imalumikizidwa kuti itsukidwe ndi kusefa, koma pepala losefera limawonjezeredwa musanalowe mu compressor ndi turbine ndipo nthawi zonse limasinthidwa kuti mafuta alowe mu chipangizocho. Kutsuka ndi kuyambitsa makina ozungulira madzi, makina oyeretsera madzi, ndi makina otulutsa mpweya wolekanitsa mpweya kumamalizidwa. Musanayambe kukhazikitsa, payipi yodzaza ndi mpweya wolekanitsa mpweya iyenera kuchotsedwa mafuta, kuviikidwa, ndi kusinthidwa, kenako kudzazidwa ndi mpweya wotseka. Mapaipi, makina, zamagetsi, ndi zida (kupatula zida zowunikira ndi zida zoyezera) za zida zolekanitsa mpweya zayikidwa ndikuyesedwa kuti ziyenerere.

Mapampu onse amadzi ogwiritsira ntchito makina, mapampu a okosijeni amadzimadzi, ma compressor a mpweya, ma booster, ma turbine expanders, ndi zina zotero ali ndi zofunikira zoyambira, ndipo ena ayenera kuyesedwa pa makina amodzi kaye.

Dongosolo losinthira ma molecular sieve lili ndi zofunikira zoyambira, ndipo pulogalamu yosinthira ma molecular yatsimikiziridwa kuti imagwira ntchito bwino. Kutenthetsa ndi kutsuka mapaipi a nthunzi yamphamvu kwatha. Dongosolo la mpweya wa chipangizo choyimirira lagwiritsidwa ntchito, kusunga mpweya wa chipangizocho pamwamba pa 0.6MPa(G).

2. Kuchotsa mapaipi olekanitsa mpweya

Yambani dongosolo la mafuta odzola ndi dongosolo la mpweya wotsekereza wa turbine ya nthunzi, compressor ya mpweya ndi pampu yamadzi yozizira. Musanayambe compressor ya mpweya, tsegulani valavu yotulukira mpweya ya compressor ya mpweya ndikutseka malo olowera mpweya a nsanja yoziziritsira mpweya ndi mbale yobisika. Pambuyo poti chitoliro chotulutsira mpweya cha air compressor chatsukidwa, kuthamanga kwa utsi kumafika pa kuthamanga kwa utsi komwe kwayesedwa ndipo cholinga chotsukira mapaipi chatsimikizika, lumikizani chitoliro cholowera mpweya choziziritsa, yambani dongosolo loziziritsa mpweya (musanatsuke, kulongedza kwa nsanja yoziziritsa mpweya sikuyenera kudzazidwa; flange yolowera mpweya ya molecular sieve adsorber yatsekedwa), dikirani mpaka cholingacho chitsimikizidwe, yambani dongosolo loyeretsa molecular sieve (musanatsuke, molecular sieve adsorber adsorbent sayenera kudzazidwa; air inlet cold box inlet flange iyenera kuchotsedwa), imitsani air compressor mpaka cholingacho chitsimikizidwe, dzazani kulongedza kwa nsanja yoziziritsa mpweya ndi molecular sieve adsorber adsorbent, ndikuyambitsanso fyuluta, turbine ya nthunzi, air compressor, air precooling system, molecular sieve adsorption system mutadzaza, osachepera milungu iwiri ya ntchito yabwinobwino mutabwezeretsa, kuziziritsa, kuwonjezeka kwa kuthamanga, adsorption, ndi kuchepetsa kuthamanga. Pambuyo pa nthawi yotenthetsera, mapaipi a mpweya a dongosolo pambuyo pa molecular sieve adsorber ndi mapaipi amkati a nsanja yogawa akhoza kuphulika. Izi zikuphatikizapo zosinthira kutentha zomwe zimakhala ndi mphamvu yamphamvu, zosinthira kutentha zomwe zimakhala ndi mphamvu yapansi, zolimbikitsira mpweya, zokulitsa ma turbine, ndi zida za nsanja zomwe zimagwiritsidwa ntchito polekanitsa mpweya. Samalani ndi kuwongolera kayendedwe ka mpweya kulowa mu dongosolo loyeretsa ma molecular sieve kuti mupewe kukana kwambiri kwa ma molecular sieve komwe kumawononga gawo la bedi. Musanaphulitse nsanja yogawa, mapaipi onse a mpweya omwe amalowa mu bokosi lozizira la nsanja yogawa ayenera kukhala ndi zosefera zakanthawi kuti aletse fumbi, slag yoweda ndi zinyalala zina kulowa mu heat exchanger ndikukhudza mphamvu yosinthira kutentha. Yambitsani dongosolo la mafuta odzola ndi kutseka mpweya musanaphulitse turbine expander ndi pampu ya okosijeni yamadzimadzi. Malo onse otsekera mpweya a zida zolekanitsa mpweya, kuphatikiza nozzle ya turbine expander, ayenera kutsekedwa.

3. Kuziziritsa kopanda kanthu ndi kuyambitsa komaliza kwa chipangizo cholekanitsa mpweya

Mapaipi onse omwe ali kunja kwa bokosi lozizira amachotsedwa, ndipo mapaipi onse ndi zida zomwe zili m'bokosi lozizira zimatenthedwa ndikuchotsedwa kuti zikwaniritse nyengo yozizira ndikukonzekera mayeso ozizira opanda kanthu.

Pamene kuziziritsa kwa nsanja yoyeretsera madzi kumayamba, mpweya wotuluka ndi compressor ya mpweya sungalowe kwathunthu mu nsanja yoyeretsera madzi. Mpweya wochulukira wopanikizika umatuluka mumlengalenga kudzera mu valavu yotulutsa mpweya, motero kusuntha kwa mphamvu yotulutsa compressor ya mpweya kusasinthe. Pamene kutentha kwa gawo lililonse la nsanja yoyeretsera madzi kumachepa pang'onopang'ono, kuchuluka kwa mpweya womwe mpweya umapumira kumawonjezeka pang'onopang'ono. Panthawiyi, gawo lina la mpweya wa reflux mu nsanja yoyeretsera madzi limatumizidwa ku nsanja yoziziritsira madzi. Njira yoziziritsira iyenera kuchitika pang'onopang'ono komanso mofanana, ndi chiŵerengero chapakati cha kuziziritsa cha 1 ~ 2℃/h kuti zitsimikizire kutentha kofanana kwa gawo lililonse. Panthawi yoziziritsira, mphamvu yozizira ya expander ya gasi iyenera kusungidwa pamlingo wapamwamba kwambiri. Pamene mpweya kumapeto kozizira kwa chosinthira kutentha chachikulu uli pafupi ndi kutentha kwa liquefaction, gawo loziziritsira limatha.

Gawo loziziritsa la bokosi lozizira limasungidwa kwa nthawi ndithu, ndipo kutuluka kwa madzi ndi zinthu zina zosamalizidwa zimawunikidwa ndikukonzedwa. Kenako imitsani makinawo pang'onopang'ono, yambani kuyika mchenga wa ngale m'bokosi lozizira, yambani zida zolekanitsa mpweya pang'onopang'ono mutatsegula, ndikulowanso mu gawo loziziritsa. Dziwani kuti zida zolekanitsa mpweya zikayamba, mpweya wobwezeretsanso wa sieve ya molekyulu umagwiritsa ntchito mpweya woyeretsedwa ndi sieve ya molekyulu. Zipangizo zolekanitsa mpweya zikayamba ndipo pali mpweya wokwanira wobwezeretsanso, njira yonyansa ya ammonia imagwiritsidwa ntchito. Panthawi yozizira, kutentha m'bokosi lozizira kumachepa pang'onopang'ono. Dongosolo lodzaza ammonia m'bokosi lozizira liyenera kutsegulidwa nthawi yake kuti lipewe kupanikizika koyipa m'bokosi lozizira. Kenako zida zomwe zili m'bokosi lozizira zimazizidwanso, mpweya umayamba kusungunuka, madzi amayamba kuwonekera m'nsanja yapansi, ndipo njira yothira mpweya ya nsanja zapamwamba ndi zapansi imayamba kukhazikika. Kenako sinthani pang'onopang'ono ma valve amodzi ndi amodzi kuti mpweya wolekanitsa mpweya uziyenda bwino.

Ngati mukufuna kudziwa zambiri, chonde titumizireni momasuka:

Lumikizanani: Lyan.Ji

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Mail: Lyan.ji@hznuzhuo.com

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