Harka |Yaya za a yi amfani da na'urar busar da mai ba tare da mai ba da masu busa centrifugal don sauyi mai ceton makamashi a cikin masana'antar siminti?
Fasahar cirewar SCR, wato hanyar rage yawan kuzari, ana fesa iskar ammonia a cikin na'urar hana bututun hayaki mai zafi a matsayin wakili na cirewa.Karkashin aikin mai kara kuzari, NOx da ke cikin iskar hayaki ya lalace zuwa N₂ da H₂O mara guba da gurɓata yanayi.A cikin na'urar tukunyar jirgi SCR mai aiki, ƙimar denitrification ya kai 80-90%, kuma gudun hijirar ammoniya yana ƙasa da 3 mg/Nm³, wanda ya yi daidai da ƙarin buƙatun ingancin ingancin ciminti.
① Ana aika ammonia mai ruwa daga motar tankin ammonia na ruwa zuwa tankin ajiya na ammonia ta hanyar kwampreso mai saukewa.
② Bayan evaporating a cikin ammonia a cikin tanki na evaporation, ya shiga cikin tukunyar jirgi ta hanyar bututun ammonia da bututun sufuri.
③Bayan a ko'ina hadawa da iska, shi shiga SCR reactor ta rarraba matukin jirgi bawul ga ciki dauki.An shigar da reactor na SCR a gaban iskar preheater, kuma iskar ammoniya tana sama da injin SCR.
④ Haɗa hayakin daidai gwargwado ta na'urar feshi ta musamman
⑤Bayan haɗewa, iskar hayaƙin hayaki ta ratsa ta cikin ma'aunin ƙara kuzari a cikin reactor don rage amsawa.
Air kwampreso iska soot hurawa fasaha
Lokacin zabar hanyar busa soot, ban da tasirin busa soot, dole ne a yi la'akari da tasirin lalacewa akan mai kara kuzari.A halin yanzu, hanyoyin busa soot ɗin da aka saba amfani da su a cikin tsarin lalata SCR sun haɗa da busa soot ɗin sonic, busa soot ɗin tururi da busa soot ɗin iska.
Haɗe tare da halayen hayaki na siminti da ƙura, yana da wuya ga masu busa sonic soot don daidaitawa da babban adadin da babban danko na ciminti kiln flue gas ƙura.Bugu da ƙari, samar da iskar gas a cikin masana'antar siminti kadan ne, don haka ya fi dacewa a yi amfani da iska mai matsa lamba don busa soot.
A cikin 'yan shekarun nan, tare da haɓakawa da haɓaka masana'antar siminti a fagen kare muhalli, ana ƙara haɓaka matakan fitar da iska.Rigakafi da sarrafa gurɓacewar iska da rage hayaƙin iskar gas na nitrogen oxide sun zama ayyuka na gaggawa da kamfanonin kera siminti ke fuskanta.Fasahar SCR (Catalytic Reduction) tana da babban inganci kuma yana iya samun ƙarancin iskar gas mai ƙarancin iskar gas da iskar ammonia a ƙarƙashin yanayin ƙarancin ammonia.A cikin 'yan shekarun nan, fasahar simintin kiln flue gas SCR fasahar kuma ta sami wani ci gaba, yana ba da garanti mai inganci ga kamfanonin siminti don cimma matsananciyar hayaki.
