Masu tace takin zamani da aka saba amfani da su sun haɗa da masu tace takin zamani sau biyu da masu tace takin zamani (zobe). A lokacin sarrafa takin zamani, waɗannan masu tace takin zamani na iya ƙara sinadarin nitrogen gwargwadon buƙata, wasu kuma suna amfani da urea a matsayin tushen abubuwan nitrogen, wanda zai iya sha danshi cikin sauƙi a cikin iska kuma ya sa ƙwayoyin takin zamani su manne tare. Saboda haka, sau da yawa ana cewa mai tace takin zamani sau biyu busasshe ne mai tace takin zamani, wanda ke da tasiri mafi kyau akan sarrafa takin zamani don kayan da ke da ɗanshi ƙasa da 10%. Ga kayan da suka jika, dole ne a aiwatar da fasahar hana taurin kai. Don adana takin zamani da ke ɗauke da danshi a matsayin kayan da aka yi amfani da su na takin zamani, ya zama dole a guji taurin kai.
Ka'ida da buƙatar ruwa na granulator na taki mai narkewa
Ka'idar aiki ta granulator extrusion granulator galibi busasshiyar foda ce a matsayin babban kayan albarkatun ƙasa. Lokacin da aka matse kayan da suka karye, wani ɓangare na barbashi ana niƙa su, kuma foda mai laushi yana cike gibin da ke tsakanin barbashi. A wannan yanayin, idan haɗin sinadarai masu 'yanci akan sabon saman da aka samar ba zai iya cika da sauri da ƙwayoyin zarra ko ƙwayoyin halitta daga yanayin da ke kewaye ba, sabbin saman da aka samar suna haɗuwa da juna kuma suna samar da haɗin haɗin gwiwa mai ƙarfi. Don fitar da na'urar, fatar da aka naɗa tana da rami mai kama da juna, wanda aka fitar zuwa siffar zagaye, kuma barbashi da aka fitar ta hanyar abin da aka yi amfani da shi (zobe) suna da ginshiƙai.Fitar da sinadarin extrusion yana buƙatar ƙarancin danshi. Idan danshi ya yi yawa, ya zama dole a ƙara tsarin busarwa ga fasahar sarrafawa.
Maganin illa ga nau'in shan danshi daga tushen nitrogen a cikin tsarin granulation na takin zamani
Babban abin da ke haifar da matsewar takin gargajiya a cikin tsarin granulation na takin gargajiya shine yawan ruwan da ke fitowa daga ruwa mai ɗauke da sinadarin nitrogen wanda ke sha daga urea. A fannin injiniyanci, farawa da saurin "ƙonawa a hankali" na takin gargajiya ba ya ƙaruwa tare da ƙaruwar ammonium nitrate da potassium chloride. Misali, cakuda mai ɗauke da kashi 80% na ammonium nitrate da kashi 20% na potassium chloride ba ya ƙonewa, amma yana ɗauke da cakuda ƙasa mai kauri 30%, ammonium nitrate 55%, da kuma potassium chloride 15% yana samar da ƙarfi "ƙona a hankali".
Barbashin takin zamani masu dauke da urea a matsayin tushen nitrogen suna da yawan hygroscopicity da ƙarancin laushi; biuret da adducts suna samuwa cikin sauƙi lokacin da zafin ya yi yawa; urea za ta yi hydrolyzed lokacin da zafin ya yi yawa, wanda ke haifar da asarar ammonia.
Wannan ya zama dole don magance yawan ruwan da ke cikin ruwa wanda ruwan da ke sha daga tushen nitrogen ke haifarwa. Rage tushen nitrogen Lokacin da sinadarin calcium superphosphate ya kasance, phosphorus mai narkewa cikin ruwa zai lalace; lokacin samar da takin calcium superphosphate na urea-common, dole ne a yi wa superphosphate na yau da kullun magani kafin a fara amfani da shi, kamar ammonia, wanda zai iya kawar da addittu. Haɗa, ko ƙara calcium magnesium phosphorus don rage acid ɗin superphosphate kyauta, da kuma canza ruwan kyauta zuwa ruwan kristal, inganta ingancin samfur, ko ƙara ammonium sulfate, wanda zai iya rage danshi na samfurin da aka gama da kuma ƙarfafa taurin samfurin da aka gama; lokacin da akwai chlorine Lokacin da aka canza ammonium, urea da chlorine suna samar da addittu, wanda ke ƙara crystallization, wanda ke sa takin da ke sake dumamawa ya zama mai sauƙin haifar da taruwar samfurin da aka gama yayin ajiya; saboda haka, takin da ke cikin urea a matsayin tushen nitrogen ya kamata ya kula da tsarin bushewa da sanyaya..Misali, zafin busarwa bai kamata ya yi yawa ba, lokacin busarwa bai kamata ya yi tsayi da yawa ba, ya kamata a cika danshi da aka ƙayyade a cikin ƙa'idar inganci, ya kamata a guji narkewar abubuwa yayin aikin samarwa, kuma kada a ajiye cake a lokacin adanawa.
Abubuwan da ke sama sune dalilan da ke haifar da yawan danshi a cikin tsarin granulation na granulator na taki mai hade, wanda ke haifar da matsewa. Babban hanyar gujewa matsewa ita ce amfani da tsarin bushewa. Kafin a yi amfani da kayan aiki, ƙara abubuwa da sauran hanyoyi, don cimma nasarar sarrafawa da kiyaye ƙwayoyin taki mai hade ba tare da lalata su ba.
Lokacin Saƙo: Disamba-10-2022
