Matsayi da tasiri na bawul ɗin EGR

1. Menene EGR bawul

Bawul ɗin EGR samfuri ne da aka sanya akan injin dizal don sarrafa adadin sake zagayowar iskar gas da aka dawo da shi zuwa tsarin sha. Yawancin lokaci yana gefen dama na manifold ɗin shayarwa, kusa da magudanar ruwa, kuma ana haɗa shi da ɗan gajeren bututun ƙarfe wanda zai kai ga magudanar ruwa.

Bawul ɗin EGR yana rage yawan zafin jiki na ɗakin konewa ta hanyar jagorantar iskar gas zuwa nau'ikan abubuwan da ake amfani da su don shiga cikin konewa, haɓaka ingantaccen aikin injin, haɓaka yanayin konewa, da rage nauyin injin, yadda ya kamata rage fitar da iska. na NO mahadi, rage ƙwanƙwasa, da kuma tsawaita rayuwar sabis na kowane bangare. Motar da ke fitar da iskar gas ba mai ƙonewa ba ce wacce ba ta shiga cikin konewa a ɗakin konewa. Yana rage zafin konewa da matsa lamba ta hanyar ɗaukar wani ɓangare na zafin da konewar ke haifarwa don rage adadin nitrogen oxide da aka samar.

2. Menene EGR bawul yayi

Ayyukan bawul ɗin EGR shine sarrafa adadin iskar gas ɗin da ke shiga cikin ma'aunin abinci, ta yadda wani adadin iskar gas ɗin da aka sharar da shi ke gudana a cikin mahaɗin don sake sakewa.

Lokacin da injin da ke gudana ƙarƙashin kaya, EGR bawul ya buɗe, dace, dace da wani ɓangare na iskar gas a sake cikin Silinda, saboda babban abubuwan da ke tattare da iskar gas CO2 fiye da ƙarfin zafi ya fi girma, don haka iskar gas na iya zama wani ɓangare na zafin da aka haifar. ta hanyar konewa da kuma fitar da silinda, da cakuda, don haka rage yawan zafin jiki na injin konewa da abun ciki na oxygen, don haka rage yawan adadin NOx mahadi.

3.Effect na EGR bawul katin lag

 Ka'idojin fitarwa VIengine yana saita firikwensin matsayi ko na'urar firikwensin zafin iskar gas ko firikwensin matsa lamba a bawul ɗin EGR don gudanar da gyaran madaukai da kuma sarrafa martani don ainihin adadin sake zagayowar iskar gas. Dangane da ainihin yanayin aikin injin da canje-canjen yanayin aiki, zai iya daidaita adadin iskar gas ta atomatik da ke cikin sake yin amfani da shi.

Idan bawul ɗin EGR ya matse, ainihin adadin iskar gas ɗin da ke shayewa a cikin nau'in abin sha ba zai iya sarrafawa ba.

Yawan sake zagayowar iskar iskar gas zai shafi aikin injin na yau da kullun, yana yin tasiri sosai kan aikin injin, kuma yana shafar ikon injin ɗin, wanda zai haifar da ƙarancin ƙarfin injin. Gas mai sharar gida da yawa a cikin wurare dabam dabam zai shafi yanayin zafi na ɗakin konewa na injin, yana ƙaruwa da haɓakar NO mahadi, wanda ke haifar da fitar da iska ba ta kai ga ma'auni ba, yana haifar da ƙarancin injin injin.