Vacuum pressure swing adsorption (VPSA) teknụzụ mmepụta oxygen bụ ụzọ dị mma na nke na-echekwa ume maka ịkwadebe oxygen. Ọ na-enweta nkewa oxygen na nitrogen site na ntinye nhọrọ nke sieves molecular. Usoro ya na-eruba gụnyere isi njikọ ndị a:
1. Usoro ọgwụgwọ ikuku ikuku
Mkpokọta ikuku: Onye na-afụ ụfụ na-eme ka ikuku ikuku dị ihe dịka 63kPa (nrụgide nlele) iji nye ike maka mgbasa ozi na-esote. Usoro mkpakọ ga-emepụta okpomọkụ dị elu, nke kwesịrị ka ọ dị jụụ na usoro achọrọ okpomọkụ (ihe dịka 5-40 ℃) site na onye na-ekpo ọkụ mmiri.
Ịdị ọcha tupu ọgwụgwọ: A na-eji ihe nzacha okpukpu abụọ wepụ ihe ndị na-adịghị arụ ọrụ, a na-ejikwa ngwaọrụ ihicha wepụ ihe ndị na-emerụ emerụ dị ka mmiri na alụlụ mmanụ iji kpuchido ihe na-eme ka sieve molekul.
2. Usoro nkewa nke Adsorption
Ụlọ elu abụọ na-atụgharị adsorption: Ejiri usoro a nwere ụlọ elu adsorption abụọ nke nwere zeolite molecular sieves. Mgbe otu ụlọ elu na-adaba, a na-emegharị ụlọ elu nke ọzọ. Ikuku a kpakọbara na-esi na ala ụlọ elu ahụ na-abanye, na sieve molekụla ọkachamma adsorbs adịghị ọcha dị ka nitrogen na carbon dioxide, na oxygen (dị ọcha 90%-95%) na-esi n'elu ụlọ elu ahụ pụta.
Njikwa nrụgide: A na-edobe nrụgide adsorption n'okpuru 55kPa, a na-enwetakwa ngbanwe akpaka site na valves pneumatic.
3. Desorption na usoro mmeghari ohuru
Mgbochi mkpochapụ: Mgbe saturation gasịrị, mgbapụta mgbapụta na-ebelata nrụgide dị n'ụlọ elu ruo -50kPa, na-emebi nitrogen ma tụba ya n'ime igwe ọkụ.
Nchacha oxygen: N'ọkwa ikpeazụ nke mmeghari ohuru, a na-ewebata oxygen ụfọdụ ngwaahịa iji wụsa ụlọ elu mgbasa ozi iji meziwanye arụmọrụ mgbasa ozi nke usoro ọzọ.
4.Usoro nhazi ngwaahịa
Oxygen buffer: A na-ebu ụzọ echekwa ngwaahịa oxygen na-akwụsị n'ime tank nchekwa (nrụgide 14-49kPa), wee tinye ya na nrụgide onye ọrụ chọrọ site na compressor.
Nkwenye ịdị ọcha: Site na nzacha dị mma na njikwa nguzozi, a na-ahụta na mmepụta oxygen kwụsiri ike.
5.Usoro njikwa ọgụgụ isi
Adopt PLC iji nweta ọrụ akpaaka zuru oke, yana ọrụ dị ka nleba anya nrụgide, mkpu mmejọ, njikarịcha oriri ike, yana nkwado nlekota anya.
Usoro a na-eme ka usoro mgbasa ozi-desorption site na mgbanwe nrụgide. Tụnyere teknụzụ PSA ọdịnala, enyemaka agụụ na-ebelata nke ukwuu oriri ume (ihe dịka 0.32-0.38kWh/Nm³). A na-eji ya eme ihe n'ọtụtụ ebe na ígwè, kemịkalụ, ọgwụ na mpaghara ndị ọzọ, ọ dịkwa mma karịsịa maka ọnọdụ ikuku oxygen chọrọ nke ọkara na nnukwu.
NUZHUO GROUP etinyela aka na nyocha ngwa, nrụpụta akụrụngwa na ọrụ zuru oke nke ngwaahịa ikuku ikuku nke ikuku, na-enye ụlọ ọrụ teknụzụ dị elu na ndị ọrụ ngwaahịa gas zuru ụwa ọnụ na ngwọta gas dabara adaba na nke zuru oke iji hụ na ndị ahịa nweta nrụpụta dị mma. Ọ bụrụ na ịchọrọ ịmatakwu ozi ma ọ bụ mkpa dị mkpa, biko nweere onwe gị ịkpọtụrụ anyị
Zoey Gao
WhatsApp 0086-18624598141
wecaht 86-15796129092
Email zoeygao@hzazbel.com
Oge nzipu: Eprel-25-2025