Manyan hanyoyin murmurewa sune sha, sha mai da kuma rabuwa da danshi.
Ka'idar hanyar shawagi tana kama da tsarin shawagi mai hawa biyu na sieve na kwayoyin halitta;
Hanyar shan mai hanya ce ta raba iskar gas ta hydrocarbon daban-daban bisa ga bambancin narkewar kowane abu a cikin man da aka sha;
Hanyar raba na'urar dumama iska hanya ce da ke amfani da halaye daban-daban na yanayin zafi na abubuwan da ke cikin iskar gas don sanyaya iskar gas zuwa wani zafin jiki ta hanyar sanyaya iskar gas, don tarawa da raba hydrocarbon mai yawan tafasa, sannan a raba na'urar dumama iskar gas zuwa samfuran da suka cancanta.
Sana'ar sanyaya tana nufin amfani da hanyoyin wucin gadi don ƙirƙirar fasahar ƙarancin zafin jiki (ƙasa da zafin muhalli). Tsarin sanyaya yana da alaƙa da masana'antar iskar gas, galibi ana amfani da shi don dawo da hydrocarbon mai sauƙi, sarrafa ma'aunin hydrocarbon dew, iskar gas mai ruwa-ruwa (LNG) da haƙo helium na iskar gas, rabuwar CO2 da sauran hanyoyin.
A halin yanzu, ana amfani da injin sanyaya tururi, injin sanyaya faɗaɗawa, injin sanyaya faɗaɗawa, injin raba zafi da kuma injin sanyaya iskar gas a cikin tsarin dawo da hydrocarbon mai sauƙi.
Za a iya raba hanyar shan mai zuwa yanayin zafi na yau da kullun hanyar shan mai da hanyar shan mai na sanyi bisa ga yanayin zafin aiki daban-daban. Yanayin zafin aiki na hanyar shan zafi na yau da kullun shine yanayin zafi na yau da kullun ko kuma ƙasa da yanayin zafi na yau da kullun, wanda galibi ana amfani da shi a ƙananan raka'a da matsakaici, tare da babban manufar dawo da C3+. Hanyar shan mai na sanyi haɗuwa ce ta mai da firiji. Tana iya dawo da ƙarin C2+ Light Hydrocarbons ta hanyar daskarewa iskar gas da aka yi wa magani da kuma shan mai na sanyi zuwa 0~40 ℃. Yawan murmurewa na C3+ zai iya kaiwa 85% ~ 90%. Ana amfani da shi akai-akai a manyan masana'antun sarrafa iskar gas.
Dangane da abun da ke cikin iskar gas da kuma matakin dawo da sinadarin hydrocarbon mai ruwa-ruwa, za a iya raba rabuwar danshi zuwa rabuwar sanyi mara zurfi, rabuwar sanyi mai zurfi da rabuwar sanyi mai tsaka-tsaki.
Babban manufar rabuwar sanyi mai zurfi shine don dawo da propane (C3), kuma zafin sanyaya gabaɗaya shine 15~-25 ℃;
Domin manufar dawo da ethane (C2) a cikin rabuwar cryogenic, ƙimar dawo da propane ya kamata ya zama fiye da 90% kuma zafin sanyaya ya kamata ya kasance daga - 90℃ zuwa -100 ℃; Zafin rabuwar intercooling gabaɗaya shine - 30 ~ - 60℃. Wani lokaci rabuwar intercooling ana rarraba shi azaman ɓangaren rabuwa cryogenic, wanda aka haɗa shi da tsarin rabuwar intercooling.
Lokacin Saƙo: Mayu-14-2021