Mkulu ndi latsopano luso ogwira ntchito

Zochitika Zaka 10+ Zopanga

page_head_bg

VPSA oxygen jenereta

Kufotokozera Kwachidule:

Zida zopangira mpweya wa Psa, pansi pa kutentha kwanyumba ndi kuthamanga kwapakatikati, ZIMAGWIRITSA ntchito sefa yapadera ya VPSA kuti itenge nayitrogeni, kaboni dayokisaidi ndi madzi ndi zonyansa zina mumlengalenga, kuti mupeze mpweya wabwino kwambiri (93 ± 2% ).

Kupanga kwachilengedwe kwa okosijeni nthawi zambiri kumatengera njira zopatulira za cryogenic, zomwe zimatha kupanga mpweya wabwino kwambiri. Komabe, zida zimakhala ndi ndalama zambiri, ndipo zida zake zimagwirira ntchito mopanikizika kwambiri komanso kutentha kwambiri. Ntchitoyi ndi yovuta, kayendedwe kake kali kochuluka, komanso mphamvu zamagetsi ndizokwera, ndipo nthawi zambiri zimafunikira kudutsa maola ambiri kuti apange gasi mutayamba.


Mankhwala Mwatsatanetsatane

Zogulitsa

Mafotokozedwe Akatundu

Zida zopangira mpweya wa Psa, pansi pa kutentha kwanyumba ndi kuthamanga kwapakatikati, ZIMAGWIRITSA ntchito sefa yapadera ya VPSA kuti itenge nayitrogeni, kaboni dayokisaidi ndi madzi ndi zonyansa zina mumlengalenga, kuti mupeze mpweya wabwino kwambiri (93 ± 2% ).

Kupanga kwachilengedwe kwa okosijeni nthawi zambiri kumatengera njira zopatulira za cryogenic, zomwe zimatha kupanga mpweya wabwino kwambiri. Komabe, zida zimakhala ndi ndalama zambiri, ndipo zida zake zimagwirira ntchito mopanikizika kwambiri komanso kutentha kwambiri. Ntchitoyi ndi yovuta, kayendedwe kake kali kochuluka, komanso mphamvu zamagetsi ndizokwera, ndipo nthawi zambiri zimafunikira kudutsa maola ambiri kuti apange gasi mutayamba.

Popeza zida zopangira mpweya wa psa zidayamba kutukuka, ukadaulo wapanga mwachangu, chifukwa mitengo yake imagwira ntchito kuposa zokolola zochepa komanso zoyera sizokwera kwambiri pakakhala mpikisano waukulu, chifukwa chake chimagwiritsidwa ntchito kwambiri posungunuka, kuphulika kwa ng'anjo ya oxygen, kupukutira zamkati, ng'anjo yamagalasi, chithandizo chamadzi ogwiritsidwa ntchito ndi madera ena.

Kafukufuku wapakhomo paukadaulo uyu adayamba kale, koma pakapita nthawi yayitali chitukuko chimachedwa.

Kuyambira zaka za m'ma 1990, maubwino azida zopangira mpweya wa psa adazindikirika pang'onopang'ono ndi anthu aku China, ndipo mzaka zaposachedwa, zida zosiyanasiyana zamagetsi zakhala zikupangidwa.

Zipangizo zopangira mpweya wa psa VPSA wa Hangzhou Boxiang Gas Equipment Co., Ltd. ili ndi udindo waukulu pantchito yamafuta a feteleza, ndipo zotsatira zake ndizodabwitsa kwambiri.

Imodzi mwa njira zazikuluzikulu zopangira psa ndikuchepetsa kuchuluka kwa otsatsa malonda ndikukweza zida zopangira zida. Komabe, kusintha kwa ma sieve a mamolekyulu opangira mpweya kumachitika nthawi zonse mothandizidwa ndi kuchuluka kwa nayitrogeni wotsatsa, chifukwa magwiridwe antchito am'magesi am'munsi ndiye maziko a PSA.

Sefa ya molekyulu yomwe ili ndi mtundu wabwino iyenera kukhala ndi mpweya wokwanira wa nayitrogeni ndi mpweya, kupatukana kwa mphamvu ndi mphamvu yayikulu.

Psa njira ina yayikulu yachitukuko ndikugwiritsa ntchito mayendedwe achidule, sichiyenera kungotsimikizika kuti ndi sieve yamankhwala, nthawi yomweyo iyenera kutengera kukhathamiritsa kwa nsanja mkati kukhathamiritsa, kuti tipewe zomwe zingayambitse malonda ndi zoipa zovuta zosagawika yunifolomu ya ndende yamagesi mu nsanja yotsatsira, ndikuikiranso zofunikira zapamwamba pakusinthana kwamagulugufe.

Mu njira zambiri zopangira mpweya wa PSA, PSA, VSA ndi VPSA zimatha kugawidwa m'magulu atatu.

PSA ndiye njira yayikulu kwambiri yotsatsira kutsika kwamlengalenga. Ili ndi zabwino zama unit osavuta komanso zofunikira zochepa zama sieve zamagulu, komanso zovuta zamagetsi zamagetsi, zomwe ziyenera kugwiritsidwa ntchito pazida zazing'ono.

VSA, kapena mawonekedwe am'mlengalenga opondereza kutsuka, amakhala ndi mwayi wogwiritsa ntchito mphamvu zochepa komanso kuwonongeka kwa zida zovuta komanso ndalama zambiri.

VPSA ndiyo njira yosinthira zingalowe m'malo mwapanikizika. Zili ndi ubwino wogwiritsa ntchito mphamvu zochepa komanso mphamvu ya sieve. Chuma chonse cha zida ndizotsika kwambiri poyerekeza ndi njira ya VSA, ndipo zovuta ndizofunikira kwambiri pakupanga sieve ndi valavu.

Mpweya wa Hangzhou Boxiang umatengera njira ya VPSA, ndikupanga kusintha kwakukulu pamachitidwe achikhalidwe, omwe samangochepetsa kugwiritsidwa ntchito kwamagetsi kocheperako (amatanthauza kugwiritsanso ntchito sefa imodzi yamaselo), komanso amakwaniritsa cholinga chophweka ndi miniaturization Zida, zimachepetsa ndalama, ndipo zimakhala ndi magwiridwe antchito / mtengo wokwera.

Makina onse opanga psa oxygen amapangidwa ndi blower, pump vacuum, switching valve, absorber and oxygen pressure booster unit of oxygen balance tank.

Pambuyo poti fumbi limachotsedwa ndi fyuluta yokoka, mpweya wosakanizika umakakamizidwa kukhala 0.3 ~ 0.4 Barg ndi Roots blower ndikulowa m'modzi mwa otsatsa.

Adsorbent imadzazidwa mu adsorbent, momwe madzi, carbon dioxide, ndi pang'ono pamagawo ena amafuta zimatsitsidwa pamalo olowera ndi adsorbent ndi alumina otsegulidwa pansi, kenako nayitrogeni amatsitsidwa ndi alumina ndi zeolite pamwamba pa 13X sieve yamaselo.

Oxygen (kuphatikiza argon) ndiye gawo losavomerezeka ndipo limatulutsidwa kuchokera kumtunda kwa adsorber kupita ku thanki yama oxygen ngati chinthu.

Adsorbent ikalengezedwa pamlingo winawake, adsorbent imafika pachikhalidwe chokwanira. Pakadali pano, mpope wa zingalowe udzagwiritsidwa ntchito kupukutira adsorbent kudzera pa valavu yosinthira (mosiyana ndi malangizo a adsorption), ndipo digiri ya zingalowe ndi 0.45 ~ 0.5BARg.

Madzi oyamwa, carbon dioxide, nayitrogeni ndi zina zazing'ono zamagetsi zimaponyedwa mumlengalenga ndipo adsorbent imasinthidwa.
Wotsatsa aliyense amasintha pakati pa izi:
- kutsatsa
- kuchotsa
- kupondaponda
Njira zitatu zomwe zatchulidwazi zimayendetsedwa ndi PLC ndikusintha ma valve.

Ntchito Mfundo

Njira zitatu zomwe zatchulidwazi zimayendetsedwa ndi PLC ndikusintha ma valve.
1. Mfundo yolekanitsa mpweya kuti apange mpweya
Zomwe zimapanga mlengalenga ndi nayitrogeni ndi mpweya. Chifukwa chake, ojambulira omwe amasankhidwa mosiyanasiyana posankha nayitrogeni ndi mpweya amatha kusankhidwa ndipo njira zoyenera zaukadaulo zitha kupangidwa kuti zilekanitse nayitrogeni ndi mpweya kuti apange mpweya.
Onse asafe ndi okosijeni amakhala ndi mphindi za quadrupole, koma mphindi ya nayitrogeni ya quadrupole (0.31 A) ndi yayikulu kwambiri kuposa ya oxygen (0.10 A), chifukwa chake nayitrogeni ali ndi kuthekera kwamphamvu kwambiri pakutsitsa ma molekyulu a zeolite kuposa oxygen (nayitrogeni imakhala ndi mphamvu yayikulu yokhala ndi ayoni padziko wa zeolite).
Chifukwa chake, mpweya ukamadutsa pabedi la adsorption lomwe lili ndi zeolite adsorbent ikapanikizika, nayitrogeni imatsitsidwa ndi zeolite, ndipo mpweya suyamwa kwambiri, chifukwa chake umalimbikitsidwa ndi gasi ndipo umatuluka pakama wololedwa, ndikupangitsa mpweya ndi nayitrogeni kupatukana ndi pezani mpweya.
Pamene sefa ya adsorbs nayitrogeni ili pafupi kukhathamiritsa, mpweya umayimitsidwa ndipo kukakamizidwa kwa bedi lakutsitsidwa kumachepa, nayitrogeni wotsitsidwa ndi sieve ya molekyulu amatha kutulutsidwa, ndipo sieve yamaselo imatha kusinthidwa ndikugwiritsidwanso ntchito.
Oxygen imatha kupangidwa mosalekeza posintha pakati pa mabedi awiri kapena kupitilira apo otsatsira ena.
Malo otentha a argon ndi mpweya ali pafupi wina ndi mnzake, chifukwa chake zimakhala zovuta kuzilekanitsa, ndipo zimatha kupindulitsa limodzi pagawo lamagesi.
Chifukwa chake, chida chogwiritsa ntchito mpweya wa psa nthawi zambiri chimangopeza mpweya wa 80% ~ 93%, poyerekeza ndi kuchuluka kwa 99.5% kapena mpweya wambiri pachida chopatulira mpweya, chomwe chimadziwikanso kuti cholemera oxygen.
Malinga ndi njira zosiyanasiyana zosungunulira, psa oxygen yopanga itha kugawidwa

Njira ziwiri

1. Njira ya PSA: kuthamanga kukakamizidwa (0.2-0.6mpa), kutulutsa kwamlengalenga.
Zida zopangira PSA ndizosavuta, ndalama zochepa, koma zokolola zochepa, kugwiritsa ntchito mphamvu zambiri, koyenera kupanga oxygen (nthawi zambiri <200m3 / h).

2. Njira ya VPSA: kutsatsa pansi pothinikizika bwino kapena kupitilira pang'ono kuthamanga kwaposachedwa (0 ~ 50KPa), kuchotsa zingalowe (-50 ~ -80kpa) kutaya.
Poyerekeza ndi njira ya PSA, zida zogwiritsira ntchito za VPSA ndizovuta, kugulitsa ndalama zambiri, koma magwiridwe antchito, kugwiritsa ntchito mphamvu zochepa, oyenera nthawi yayikulu yopanga mpweya.

Pazowerengera zenizeni zakupatukana, zida zina zakuthambo ziyenera kuganiziridwanso.
Kuchulukitsa kwa kaboni dayokisaidi ndi madzi pama adsorbents wamba kumakhala kwakukulu kwambiri kuposa kwa nayitrogeni ndi mpweya. The adsorbents atha kudzazidwa pakabokosi ka adsorption ndi ma adsorbents oyenera (kapena kugwiritsa ntchito mpweya wopanga zotsatsa iwowo) kuti athe kulowetsedwa ndikuchotsedwa.

Zowonongeka mwachidule za zida zopangira mpweya wa VPSA:
Ø kugwiritsa ntchito ukadaulo wapamwamba, ukadaulo wokhwima, kugwiritsa ntchito mphamvu zochepa komanso kugwiranso ntchito mitengo yazipangizo ziwiri za psa oxygen process;
Ø kulingalira ndipo, pakuwunika mawonekedwe athunthu, zida zabwino kwambiri kuti zitsimikizire kudalirika ndi kukhazikika kwa magwiridwe antchito;
Ø zida, ntchito yosavuta kusinthasintha;
Control makina oyendetsera makina, makina oyang'anira chipinda choyang'anira;
Chitetezo cha dongosolo labwino, kuwunika zida, njira zopewera zolakwika kuti zisinthe;
Ø popanda kuwononga chilengedwe;
Equipment zida za oxygen kuti achite komaliza muyezo wa dziko la People's Republic of China ndi muyezo wautumiki wamafakitale.


  • Previous: Zamgululi
  • Ena:

  •