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Pingxiang Hualian Chemical Ceramic Co., Ltd.

Universal dizal particulate tace Euro IV catalytic Converter

Takaitaccen Bayani:

Tace partial kwarara tace dizal shaye particulate tarko – anti tarewa da tasiri kau da particulate kwayoyin


Cikakken Bayani

Tags samfurin

1. Me yasa ake kiransa tarkon ɓarna mai gudana?Yayin aiki, shaye-shayen injin yana shiga tarkon barbashi daga mashigar, kuma yawancin iskar da ke gudana ta hanyar matattarar tacewa.A barbashi suna kama a saman lebur ji da corrugated ji, da kuma amsa tare da NO2 a wani zafin jiki don kawar da barbashi;Saboda haka, idan zafin jiki ya kai ga yanayi, da m kwarara barbashi tarko ba sauki don haifar blockage kuma shi ne m tabbatarwa free;Idan ci gaba da yawan zafin jiki na iskar wutsiya mai dumi ya kai fiye da digiri 250, zai fi dacewa digiri 350, kuma ƙimar ƙimar asali ta ƙasa da 2.0, tsarin sabuntawa yana da santsi;Kayan dakon kaya shine ƙarfe na chromium aluminum, wanda ke da juriya da zafin jiki kuma ba mai rauni ba yayin rarrabawa da koma baya.

2. Disadvantages: aikin tacewa ba shi da yawa, kawai kusan 50%;Idan zafin jiki ya kasa isa ga yanayin na dogon lokaci, POC za a toshe, wanda ke buƙatar cirewa don kiyayewa.

Gabatarwar samfur ɗin tace juzu'i

1. Partial kwarara barbashi tarko SPF

1. Tsarin da ka'idar aiki na SPF

● an yi shi da babban zafin jiki resistant karfe fiber sintered ji tace matsakaici abu;

● ya ƙunshi alternating superposition na lebur ji da corrugated ji.Ɗayan ƙarshen ƙwanƙwasa yana haɗuwa tare da ɗaya ƙarshen lebur na sama da na ƙasa don samar da siffar "zigzag";

● Ƙarshen ƙarshen ɗakin ɗakin da aka ba da shi tare da ƙananan ramuka a wani wuri mai nisa, kuma an danna ƙarshen ƙarshen ƙwanƙwasa tare da tsagi mai jujjuyawa daidai da tashar iska;

● yayin aiki, shaye-shayen injin yana shiga tarkon barbashi daga mashigar, kuma yawancin iskar da ke gudana ta hanyar matattarar tacewa.A barbashi suna kama a saman lebur ji da corrugated ji, da kuma amsa tare da NO2 a wani zafin jiki don kawar da barbashi;

● wani ɓangare na kwararar iska yana fitowa kai tsaye ta cikin ƙananan ramuka na ɗakin kwana, don haka yana samar da aikin tacewa na ɓangarori.

2. Tsarin tsarin SPF

Akwai manyan tsare-tsare guda biyu na haɓakawa don injin wutsiya na iskar gas bayan jiyya a zamanin China IV.Daya shine a bi da iskar nitrogen oxides a cikin iskar wutsiya tare da maganin urea ta hanyar amfani da fasaha na rage yawan kuzari (SCR);Ɗayan ita ce fasaha ta EGR (haske gas recirculation) da ke sarrafa barbashi da aka samar ta hanyar konewa ta hanyar man diesel particulate filter (DPF) ko dizal oxidation catalyst (DOC).A halin yanzu, jama'a sun amince da DPF a matsayin ingantacciyar hanya don rage injin diesel PM.Lokacin da aka haɓaka ma'aunin IV na ƙasa zuwa ma'aunin V na ƙasa, PM zai zama babbar matsalar da za a warware.Magani shine amfani da DPF.

Ka'idar aiki na Diesel particulate filter (DPF)

Kamar yadda aka nuna a Figure 1, Diesel particulate filter (DPF) wata na'ura ce da aka sanya a cikin na'urar da ake shayar da abin hawan dizal don rage barbashi (PM) a cikin shaye-shaye ta hanyar tacewa.DPF tana ɗaukar ɓangarorin ta hanyar na'urori masu tacewa sama da na ciki, kamar hazo mai yaduwa, hazo inertial ko tsakar layi, wanda zai iya tsarkake 70% ~ 90% na barbashi cikin shayewa yadda yakamata.Yana daya daga cikin mafi inganci kuma hanyoyin kai tsaye don tsarkake barbashi na injin dizal, kuma an tallata shi a duniya.Domin saduwa da ƙa'idodin fitarwa na Euro VI ko US 2010, sharar injin dizal bayan tsarin jiyya zai fi rikitarwa.Wajibi ne a haɗa dizal hadawan abu da iskar shaka mai kara kuzari (DOC), dizal particulate tace (DPF) da zažužžukan catalytic rage (SCR) don sarrafa dizal engine watsi (Fig. 2).

Diesel particulate filter (DPF) galibi ya haɗa da hanyoyin aiki guda uku: ɓangarorin tacewa mara kyau, ɓangarorin tacewa cikakke da raguwar tacewa.Lokacin da tacewa particulate fanko (Fig. 3), saboda babu barbashi blockage a cikin DPF, da shaye gas kwarara juriya ne sosai low, wanda ba zai shafi al'ada aiki na engine (kamar man fetur amfani, iko). Da dai sauransu. Tare da ci gaba da haɓakar ƙwayoyin soot ɗin, ƙwayoyin soot ɗin da aka kama a cikin DPF suna ƙaruwa sannu a hankali, wanda ke haifar da haɓaka juriya, kuma amfani da man fetur da ƙarfin injin yana tasiri ta hanyar karuwar matsi na baya.Ƙungiyar kula da injin tana kula da matsa lamba na ciki na DPF ta hanyar firikwensin matsi na iskar gas.Lokacin da sashin kula da injin ya lura cewa matsa lamba na ciki na DPF ya kai wani ƙima, iskar gas ɗin yana da wahala a fitar da shi, wanda ke iyakance ƙarfi da tattalin arzikin injin.A wannan lokacin, sashin kula da injin yana sarrafa tsaftacewa da raguwar ɓangarorin soot da kanta, ƙwayoyin soot ɗin da aka tattara a cikin DPF suna ƙonewa a babban zafin jiki don gane farfadowar DPF.

biyu Regeneration of Diesel particulate filter (DPF)

Diesel particulate filter (DPF) yana da babban aikin tacewa don ƙwayoyin soot, wanda zai iya kaiwa 60% ~ 90%.A lokacin tacewa, tara barbashi a cikin tace barbashi zai kara matsa lamba na baya na injin dizal.Lokacin da matsa lamba na baya ya kai 16 kPa ~ 20 kPa, aikin injin dizal ya fara lalacewa.Don haka, dole ne a cire ɓangarorin akai-akai don maido da tacewar barbashi zuwa yanayin aikinsa na asali, wato sabuntawa.

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