Izicucu ezivamile zokukhipha umanyolo zifaka izimbudumbudu ze-double-roll extrusion kanye nama-flat (ring) ama-die extrusion granulators.Phakathi nokucutshungulwa kukamanyolo oyinhlanganisela, lezi zimbudumbudu zingase zandise izakhi ze-nitrogen ngokwezidingo, kanti ezinye zisebenzisa i-urea njengomthombo wezakhi ze-nitrogen, ezingamunca kalula umswakama emoyeni futhi zenze izinhlayiya zikamanyolo eziyinhlanganisela zinamathelane.Ngakho-ke, ngokuvamile kuthiwa i-double-roll extrusion granulator iyi-powder granulator eyomile, enomthelela ongcono ekucubunguleni ama-granules wezinto zokusetshenziswa ezinomswakama ongaphansi kuka-10%.Ngezinto ezimanzi, ubuchwepheshe obudingekayo bokulwa nokuqina kufanele kwenziwe.Ukuze kugcinwe ama-granules kamanyolo aqukethe umswakama njengezinto zokusetshenziswa zomanyolo ohlanganisiwe, kuyadingeka ukugwema ukuqina.
Isimiso kanye nesidingo samanzi se-compound fertilizer extrusion granulator processing granules
Isimiso sokusebenza se-extrusion granulator ngokuvamile iyimpushana eyomile njengento eluhlaza eyinhloko.Lapho i-brittle material icindezelwa, ingxenye yezinhlayiya zichotshozwa, futhi i-powder enhle igcwalisa izikhala phakathi kwezinhlayiya.Kulesi simo, uma amabhondi amakhemikhali amahhala endaweni esanda kukhiqizwa engakwazi ukugcwala Ngokushesha ngama-athomu noma ama-molecule avela emkhathini ozungezile, izindawo ezisanda kukhiqizwa ziyahlangana futhi zakhe amabhondi anamandla okuhlanganisa.Ukuze i-extrusion ye-roller, isikhumba se-roller sine-groove ephikisanayo eyindilinga, ekhishwa ibe yindilinga, futhi izinhlayiya ezikhishwe yi-flat (ring) die ziyikholomu.I-Extrusion granulation idinga umswakama ophansi uma kuqhathaniswa.Uma umswakama uphezulu kakhulu, kuyadingeka ukwengeza uhlelo lokumisa kubuchwepheshe bokucubungula.
Isixazululo semiphumela emibi yohlobo lokumunca umswakama womthombo we-nitrogen enqubweni ye-granulation kamanyolo oyinhlanganisela
I-crux of the compaction in the compound fertilizer granulation process ngokuvamile iwukuqukethwe okuphezulu kwamanzi okubangelwa umthombo we-nitrogen urea emunca amanzi.Uma sikhuluma ngomshini, ukuqaliswa kanye nesivinini “sokushisa kancane” komanyolo ohlanganisiwe akukhuphuki ngokwanda kwe-ammonium nitrate ne-potassium chloride.Isibonelo, ingxube equkethe u-80% we-ammonium nitrate kanye no-20% we-potassium chloride ayishisi, kodwa iqukethe Ingxube ye-30% ye-diatomaceous earth, i-55% ye-ammonium nitrate, ne-15% ye-potassium chloride ikhiqiza "ukusha kancane" okunamandla.
Izinhlayiya zikamanyolo ezihlanganisiwe ne-urea njengomthombo we-nitrogen zine-hygroscopicity ephezulu kanye nendawo yokuthambisa ephansi;i-biuret ne-adducts kwakheka kalula lapho izinga lokushisa liphezulu;i-urea izokwenziwa nge-hydrolyzed lapho izinga lokushisa liphezulu, okuholela ekulahlekeni kwe-ammonia.
Lokhu kuyadingeka ukuze kuxazululwe izinga eliphezulu lamanzi elibangelwa umthombo we-nitrogen omunca amanzi.Nciphisa umthombo we-nitrogen Uma i-calcium superphosphate ikhona, i-phosphorus encibilika emanzini iyonakala;lapho kukhiqizwa umanyolo we-urea-common calcium superphosphate compound, i-superphosphate evamile kufanele ifakwe ngaphambili, njenge-ammoniation, engasusa i-adducts, i-calcium magnesium phosphorus ukuze inciphise i-asidi yamahhala ye-superphosphate, futhi iguqule amanzi mahhala abe yi-crystal yamanzi, ithuthukise umkhiqizo. ikhwalithi, noma engeza i-ammonium sulfate, enganciphisa umswakama womkhiqizo oqediwe futhi iqinise ubulukhuni bomkhiqizo ophelile;uma kukhona i-chlorine Lapho i-ammonium iguqulwa, i-urea ne-chlorine yakha i-adduct, okwandisa i-crystallization, okwenza umanyolo ovuselelayo ube lula ukubangela ukuhlanganiswa komkhiqizo ophelile ngesikhathi sokugcina;Ngakho-ke, umanyolo ohlanganisiwe one-urea njengomthombo we-nitrogen kufanele unake ngokukhethekile inqubo yokomisa nokupholisa.Isibonelo, izinga lokushisa lokumisa akufanele libe phezulu kakhulu, isikhathi sokumisa akufanele sibe side kakhulu, okuqukethwe komswakama okushiwo ezingeni lekhwalithi kufanele kuhlangatshezwane, isimo sokuncibilika phakathi nenqubo yokukhiqiza kufanele kugwenywe, futhi akufanele kugcinwe ikhekhe. phakathi nenqubo yokugcina.
Okungenhla yizizathu zomswakama ophezulu ohlelweni lwe-granulation ye-compound fertilizer granulator, ebangela ukuhlangana.Indlela eyinhloko yokugwema ukuhlanganisa ukusebenzisa uhlelo lokumisa.Ukwelashwa kwangaphambili kwezinto, ukwengezwa kwezakhi nezinye izindlela, ukuze kuqashelwe ukucutshungulwa kanye nokulondolozwa okungabhubhisi kwezinhlayiya zikamanyolo ezihlanganisiwe.
Isikhathi sokuthumela: Dec-10-2022
