LNG ita ce gajarta ta Ingilishi Liquefied Natural Gas, wato, iskar gas mai ruwa.Samfurin sanyaya ne da shayar da iskar gas (methane CH4) bayan tsarkakewa da ƙarancin zafin jiki (-162°C, matsatsin yanayi ɗaya).Adadin iskar gas mai ruwa ya ragu sosai, kusan 1/600 na iskar gas a 0 ° C da matsa lamba 1, wato, ana iya samun mita 600 na iskar gas bayan 1 cubic meter na LNG. gasified.
Gas mai daɗaɗɗen ruwa ba shi da launi kuma mara wari, babban abin da ke tattare da shi shine methane, akwai sauran ƙazanta kaɗan, yana da tsabta sosai.makamashi.Yawan ruwansa yana da kusan 426kg/m3, kuma yawan iskar gas ɗin yana kusan 1.5 kg/m3.Iyakar fashewar shine 5% -15% (girman%), kuma wurin kunnawa shine kusan 450 ° C.Ana samar da iskar gas ta hanyar filin mai / iskar gas ta hanyar cire ruwa, acid, bushewa, distillation na juzu'i da ƙarancin zafin jiki, kuma an rage ƙarar zuwa 1/600 na asali.
Tare da ci gaba mai zurfi na aikin "Bututun iskar Gas na Yamma- Gabas" na ƙasata, an tashi daga zafin ƙasa na amfani da iskar gas.A matsayinsa na mafi kyawun makamashi a duniya, iskar gas na da daraja sosai wajen zabar hanyoyin samar da iskar gas na birane a cikin kasata, kuma kwazon inganta iskar gas ya zama manufar makamashi ta kasata.Duk da haka, saboda girman girma, jari mai yawa da kuma tsawon lokacin aikin sufurin iskar gas na dogon lokaci, yana da wuya bututun mai nisa ya isa mafi yawan birane cikin kankanin lokaci.
Yin amfani da babban matsin lamba, ana rage yawan iskar iskar gas da kusan sau 250 (CNG) don sufuri, sannan kuma hanyar rage matsi ta magance matsalar iskar iskar gas a wasu garuruwa.Aiwatar da fasahar sanyi mai ƙarancin zafi don sanya iskar gas ta zama yanayi mai ruwa (kimanin sau 600 ƙarami a cikin girma), ta amfani da tankunan ajiyar sanyi mai ƙarancin zafi, jigilar iskar gas mai nisa mai nisa ta motoci, jiragen ƙasa, jiragen ruwa, da sauransu. , sa'an nan kuma adanawa da sake sakewa LNG a cikin tankunan ajiyar sanyi mai ƙarancin zafi Idan aka kwatanta da yanayin CNG, yanayin samar da iskar gas yana da ingantaccen watsawa, aminci da aminci, kuma zai iya magance matsalar tushen iskar gas na birane.
Halaye na LNG
1. Ƙananan zafin jiki, babban rabo na fadada gas-ruwa, babban ƙarfin makamashi, sauƙin sufuri da adanawa.
1 misali cubic mita na iskar gas yana da thermal taro na game da 9300 kcal
Ton 1 na LNG na iya samar da iskar gas mai siffar cubic mita 1350, wanda zai iya samar da digiri 8300 na wutar lantarki.
2. Tsabtataccen makamashi - LNG ana ɗaukarsa shine mafi tsaftar makamashin burbushin halittu a duniya!
Abun sulfur na LNG yana da ƙasa sosai.Idan aka yi amfani da tan miliyan 2.6/shekara na LNG don samar da wutar lantarki, zai rage hayakin SO2 da kusan tan 450,000 (kusan kusan sau biyu na iskar SO2 na shekara a Fujian) idan aka kwatanta da kwal (lignite).Dakatar da fadada yanayin ruwan acid.
Samar da wutar lantarki na iskar gas NOX da CO2 hayaki ne kawai 20% da 50% na masana'antar wutar lantarki.
Babban aikin aminci - ƙaddara ta ingantaccen kayan jiki da sinadarai na LNG!Bayan iskar gas, yana da haske fiye da iska, mara launi, mara wari da mara guba.
High ƙonewa batu: atomatik ƙonewa zafin jiki ne game da 450 ℃;kunkuntar kewayon konewa: 5% -15%;haske fiye da iska, mai sauƙin watsawa!
A matsayin tushen makamashi, LNG yana da halaye masu zuwa:
Ainihin LNG baya haifar da gurɓatawa bayan konewa.
An tabbatar da amincin samar da LNG ta hanyar kwangila da aiki na dukan sarkar.
An ba da tabbacin amincin LNG ta hanyar aiwatar da jerin ƙa'idodin ƙasa da ƙasa a cikin ƙira, gini da tsarin samarwa.LNG yana aiki tsawon shekaru 30 ba tare da wani mummunan hatsari ba.
LNG, a matsayin tushen makamashi don samar da wutar lantarki, yana dacewa da ƙa'idodin kololuwa, aiki mai aminci da haɓaka grid ɗin wutar lantarki da haɓaka tsarin samar da wutar lantarki.
A matsayin makamashi na birane, LNG na iya inganta kwanciyar hankali, aminci da tattalin arzikin isar gas.
Faɗin amfani don LNG
A matsayin mai mai tsabta, LNG tabbas zai zama ɗaya daga cikin manyan hanyoyin samar da makamashi a cikin sabon ƙarni.Bayyana amfanin sa, musamman ya haɗa da:
Kololuwar lodi da aske kololuwar haɗari da ake amfani da ita don wadatar iskar gas na birni
Ana amfani da shi azaman babban tushen iskar gas don samar da iskar gas a manyan birane da matsakaita
Ana amfani dashi azaman tushen iskar gas don iskar gas na al'ummar LNG
Ana amfani da shi azaman mai don mai da mota
amfani da man jirgin sama
Cold Energy amfani da LNG
Tsarin Makamashi Rarraba
Lokacin aikawa: Afrilu-19-2022