Mkulu ndi latsopano luso ogwira ntchito

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madzi a nayitrogeni opanga ayisikilimu

Kufotokozera Kwachidule:

Gawo lamadzi la nayitrogeni lomwe limapangidwa ndi gawo lathu limagwiritsa ntchito Pressure Swing Adsorption (PSA) kuti ikonzekeretse nayitrogeni woyenera, womwe umakankhidwa ndi mpweya wosakanizika wa joule-thomson Refrigeration Cycle, MRC mwachidule) kuti upange nayitrogeni wofunikira wamadzi.


Mankhwala Mwatsatanetsatane

Zogulitsa

Mbiri Yakampani

Gawo lamadzi la nayitrogeni lomwe limapangidwa ndi gawo lathu limagwiritsa ntchito Pressure Swing Adsorption (PSA) kuti ikonzekeretse nayitrogeni woyenera, womwe umakankhidwa ndi mpweya wosakanizika wa joule-thomson Refrigeration Cycle, MRC mwachidule) kuti upange nayitrogeni wofunikira wamadzi.

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Mfundo Zogwirira Ntchito

Ponena za firiji yomwe ikuwonetsedwa mu Chithunzi 1, momwe amagwirira ntchito ndi: otsika-kuthamanga madzi a firiji pamagetsi ozizira T0 (olingana ndi state point 1s) amaponderezedwa kuti akhale mpweya wothamanga kwambiri (state point 2) ndi kompresa, ndi kenako amalowa m'malo ozizira, ndi ena otentha mpaka kuzizira kozungulira (point 3), amalowa m'malo osinthira kutentha, amatenthetsedwanso ndi mpweya wa reflux wotsika kwambiri kuti afotokozere 4, amalowa mu valavu ya throttle, adiabatic throttling kuloza 5, kutentha kumatsika, ndikulowa mu evaporator kuti ipangitse kuzizira Kutentha kukakwera mpaka 6, imalowa munjira yotsika kwambiri ya chosinthira kutentha, ndipo ikaziziritsa kutsika komwe kumabwera, kutentha kwake kumabwerera pang'onopang'ono 1, kenako amalowa chitoliro cholumikizira chosinthira kutentha ndi kompresa. Pakhoza kukhala gawo la kachitidwe panthawiyi Kutentha kotentha, kutentha kumakwera mpaka kutentha kozungulira, kumabwerera kumalo aboma kwa sekondi imodzi, ndipo dongosolo limamaliza kuzungulira. Dongosolo la firiji limachepetsa pang'ono kutentha malinga ndi zomwe tafotokozazi, ndipo pamapeto pake imapereka mphamvu ya firiji pamafiriji a Tc. Pazigawo zoziziritsa kutentha zomwe zimafalikira, mphamvu yozizira imaperekedwa pang'onopang'ono panthawi ya Reflux, monga gasi wamadzi, ndi zina zambiri.

Makhalidwe a firiji wosakanizika wopindika
1) Kuyamba kwachangu komanso kuzirala mwachangu. Kupyolera mu chiŵerengero chosakanikirana cha refrigerant, kusintha kwa kompresa ndi kutsegulira kwa ma valavu, zofunikira kuziziritsa mwachangu zimatheka;
2) Njirayi ndiyosavuta, kuchuluka kwa zida ndizochepa, ndipo kudalirika kwadongosolo ndikokwera. Zida zazikuluzikulu za dongosololi zimakhala ndi ma compressor okhwima, zotenthetsera kutentha ndi zida zina m'munda wa firiji. Makinawa ndi odalirika kwambiri komanso zida zosiyanasiyana.

Mtengo wotukuka wa chipinda chosakanizika cha nayitrogeni chosakanikirana chimakhala ndi magawo awiri: PSA nayitrogeni unit unit ndi MRC liquefaction unit. Wopanga nayitrogeni wa PSA ndiwokhwima ndipo ndiosavuta kugula kumsika wanyumba.


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