urea abin hawa kuma galibi ana cewa urea na noma yana da bambanci.Urea abin hawa shine don rage gurɓataccen mahaɗan nitrogen da hydrogen da injin diesel ke fitarwa, kuma yana taka rawa wajen kare muhalli.Yana da ƙayyadaddun buƙatun daidaitawa, wanda ya ƙunshi babban urea mai tsafta da ruwa mai tsafta.Ɗaya daga cikin mahimman alamun inganci shine ƙimar sarrafa ƙazanta.Barbashi, ions karfe, ma'adanai da sauran najasa a cikin urea suna da yawa sosai, kuma cutarwa a bayyane take.Da zarar an ƙara urea mara cancanta, zai haifar da gazawar sarrafa shi, har ma yana haifar da lahani mai mutuwa ga bayan sarrafawa.Kuma ga dubun-dubatar yuan bayan sarrafa, ko don zaɓar nau'in urea da masana'anta suka ba da shawarar.
Menene halaye?
Maganin urea na musamman na Weichai ya dace da daidaitattun ISO22241-1 na duniya, DIN70070 na Jamusanci da ƙimar GB29518 na ƙasa, ingancin shaida.
Cutar da samfuran karya da ƙananan samfuran: ingancin maganin ƙarancin urea bai kai daidai ba, tsafta bai isa ba, ƙazanta da yawa a cikin urea, mai sauƙin crystallize, toshe bututun urea, a wannan lokacin, bututun urea na iya zama. cire, mai tsanani da kuma tafasa don narkewa.Duk da haka, yin amfani da urea na abin hawa na dogon lokaci wanda bai dace da ka'idodin duba ingancin da jihar ta gindaya ba zai rage yawan canjin NOx, rage inganci da rayuwar mai kara kuzari, kuma yana lalata tsarin SCR kai tsaye, wanda zai haifar da matsayi maras kyau. - gazawar sarrafawa.
Super tsabta
Don cimma buƙatun ingancin urea na ultra-high, Weichai na musamman na urea dole ne ya bi ta hanyoyi daban-daban na tacewa da tsarin tacewa a cikin tsarin samarwa, kuma kayan marufi dole ne su kasance marasa ƙura.Ka'idojin aiki na asali na tsarin SCR: shaye-shaye yana shiga cikin bututun mai daga injin turbin caja.A lokaci guda kuma, ta hanyar allurar urea da aka sanya a cikin DPF, ɗigon urea yana jurewa hydrolysis da amsawar pyrolysis a ƙarƙashin aikin iskar gas mai zafi mai zafi, samar da NH3 da ake buƙata, NH3 yana rage NOx zuwa N2 a ƙarƙashin aikin mai haɓakawa.A cikin tsarin raguwa na SCR, ƙaddamar da maganin urea yana ɗaya daga cikin mahimman abubuwan, amma mai girma ko ƙananan maida hankali ba zai iya inganta ingantaccen juzu'i na NOx ba, amma zai haifar da zamewar ammonia da samuwar ammonia mai gurɓataccen abu na biyu.
Babban canji
Tare da maganin urea na musamman tare da maida hankali na 32.5% azaman wakili mai ragewa;A matsayin daidaitaccen tsari na tsarin SCR bayan jiyya, yawan amfani da urea ya kai kusan kashi 5% na yawan man fetur.Ɗauki ƙarfin tankin urea 23lde a matsayin misali, nisan miloli na iya kaiwa kilomita 1500-1800.
Urea tana ƙara ruwa: sau da yawa wani ya tambayi ko urea zai iya ƙara ruwan ma'adinai, ruwan dafaffen ruwa da sauran abubuwa.Wannan ba zai yiwu ba kwata-kwata, akwai datti da yawa a cikin ruwan famfo, fiye da yadda muke kallon ido tsirara.Calcium, magnesium, sodium da sauran abubuwan da ke cikin ruwan famfo da ruwan ma'adinai suna da sauƙi don samar da abubuwa masu ƙarfi, don haka toshe bututun urea, yana haifar da kurakurai bayan sarrafawa.Ruwan da aka ƙara a cikin urea, zai iya zama ruwan da aka lalatar da shi kawai.Za a kiyaye matakin ruwa na urea tsakanin 30% zuwa 80% na jimlar yawan tankin urea.Ma'ajiyar Urea: Maganin Urea yakamata a ajiye shi a cikin rufaffiyar akwati a wuri mai sanyi, busasshiyar wuri, nesa da ƙaƙƙarfan oxidants.Lokacin cika, kamar kai tsaye cikin tankin urea yana zubar da urea, da haifar da gurɓataccen muhalli.Ana ba da shawarar kayan aikin cika kwararru.
Bayanan kula don cika urea: Maganin urea yana lalata fata.idan an kara fata ko idanu, kurkura da ruwa da wuri-wuri;idan ciwon ya ci gaba, don Allah a nemi taimakon likita.Idan an hadiye shi da rashin kulawa, hana amai, nemi magani da sauri
Lokacin aikawa: Mayu-30-2024
