Meziwanye nri nri: Ọnọdụ okpomọkụ dị elu, nrụgide dị elu na ike ịkwa akwa n'oge usoro ịhịa aka na-abawanye ogo nke gelatinization starch, mebie ma mee ka mgbidi cell nke usoro eriri ahụ dị nro, wee hapụ ihe ndị gbara ya gburugburu na ngwakọta digestible, ebe abụba na-abanye n'ime ahụ. n'ime ihe ndị dị n'elu na-enye nri nri pụrụ iche ekpomeekpo ma na-eme ka palatability dịkwuo mma, si otú ahụ na-abawanye ọnụego nri.
• Belata mmetọ gburugburu ebe obibi: Nri azụ̀ na-ese n'elu mmiri nwere nkwụsi ike dị mma na mmiri, nke nwere ike ibelata mgbasa na ọdịda nke nri nri na mmiri ma belata mmetọ mmiri.
• Belata ihe omume nke ọrịa: Okpomọkụ dị elu, oke iru mmiri na nrụgide dị elu n'oge usoro ịfụfụ nwere ike igbu ọtụtụ microorganisms na-emerụ ahụ, na-enyere aka ịnọgide na-enwe àgwà mmiri ma belata ihe ọjọọ gburugburu ebe obibi na aquaculture, na-ebelata ọnwụ nke anụmanụ mmiri.
• Na-abawanye njupụta ọmụmụ: Ojiji nke ihe na-emepụta ihe na-emepụta ihe nwere ike ibelata ọnụ ọgụgụ nri ma belata oke ihe ntanye na nsị na-agbapụta n'ime ahụ mmiri, na-eme ka o kwe omume ịbawanye njupụta ọmụmụ.
• Gbatịkwuo oge nchekwa nke ndepụta: Extrusion na nhịahụ nhazi na-eme ka nkwụsi ike nke akụrụngwa dịkwuo mma site n'ibelata ọdịnaya nje na oxidation.
• Na-abawanye palatability na digestibility: Nri na-agbasawanye na-aghọ usoro rụrụ arụ na nke na-adịghị mma. Mgbanwe a na-enye ebe kọntaktị buru ibu maka enzymes, nke na-eme ka kọntaktị nke starch chains, peptide chains na digestive enzymes, ma na-eme ka mgbaze nke nri nri. absorption, si otú ahụ melite digestibility nke ndepụta.
• Melite solubility fiber: Extrusion na ịhịa aka n'ahụ nwere ike ibelata ọdịnaya eriri crude dị na nri ma melite itinye n'ọrụ.
Ọdịmma nke extruder granulation:
• Mbibi nke vitamin: Esemokwu n'etiti nrụgide, okpomọkụ, mmiri dị na gburugburu ebe obibi na nri nwere ike iduga na vitamin A, vitamin D na folic acid.
• Mgbochi nke nkwadebe enzyme: Okpomọkụ dị elu n'oge usoro nfụkasị ahụ nwere ike jiri nwayọọ nwayọọ kwụsị kpamkpam ọrụ nke nkwadebe enzyme.
• Mebie amino acid na protein: N'okpuru ọnọdụ okpomọkụ dị elu, ịfụ ọkụ ga-eme ka mmeghachi omume Maillard dị n'etiti ụfọdụ na-ebelata shuga n'ime akụrụngwa na amino acid free, na-ebelata ojiji nke ụfọdụ protein.
• Ọnụ ahịa mmepụta ihe dị elu: Usoro mgbasawanye ndepụta dị mgbagwoju anya karịa usoro nchịkọta pellet n'ozuzu. Ngwá ọrụ usoro mgbasawanye dị oke ọnụ, nwere nnukwu ike oriri, ma nwee mmepụta dị ala, na-akpata ụgwọ dị elu.
Uru nke igwe granulating:
• Nrụpụta mmepụta dị elu: granulator nwere ike gbanwee ngwa ngwa ngwa ngwa ka ọ bụrụ ngwaahịa granular nke ọdịdị a chọrọ, na-eme ka mmepụta mmepụta ihe.
• Uniform urughuru size: N'oge granulation usoro, ihe a na-doro shii ike na extrusion ike, na-eme ka urughuru size nkesa nke okokụre ahụ edo.
• Arụ ọrụ dị mma: granulator nwere usoro dị mfe, dị mfe iji rụọ ọrụ, ọ dịkwa mfe ijikwa ma gbanwee.
• Ogologo ngwa ngwa: Enwere ike iji granulator mee ihe maka ịmepụta ihe dị iche iche, gụnyere ọgwụ granular, akụrụngwa kemịkal, nri, wdg.
Ọdịmma nke granulator granulation:
• Enwere ike ibibi vitamin na nkwadebe enzyme: Okpomọkụ dị elu na nrụgide n'oge granulation nwere ike imebi ọrụ nke vitamin na nkwadebe enzyme.
• Enwere ike mebie amino acid na protein: N'okpuru ọnọdụ okpomọkụ dị elu, granulation nwere ike ịkpata mmeghachi omume Maillard n'etiti ụfọdụ na-ebelata shuga n'ime akụrụngwa yana amino acid efu, na-ebelata ojiji nke ụfọdụ protein.
• Ihe granulated a na-akpọ nkụ na mmiri: ngwa ngwa na-agwakọta na oge ngwakọta nke granulator ma ọ bụ ngwa ngwa na-agba ọsọ na oge ịkpụ nke shear dị oke ala iji gbasasịa onye na-ekekọta ma ọ bụ mmiri mmiri ngwa ngwa na nke ọma. A ga-enwe ngwakọta na-enweghị isi na granulation nke ihe.
• Ihe ndị na-emepụta agglomerates na agglomerate: Ọnụ ego nke nkwụnye agbakwunyere ma ọ bụ onye na-edozi mmiri dị oke elu na ọnụego mgbakwunye dị ngwa ngwa. A na-atụ aro ka ị belata nke ọma nke onye na-ekekọta ma ọ bụ onye na-edozi mmiri ma na-achịkwa ọnụego mgbakwunye.
Na nchịkọta, extruder granulation na granulator granulation nke ọ bụla nwere uru na ọghọm dị iche iche nke ya, na nhọrọ kwesịrị ikpebi dabere na mkpa ngwa ngwa na ọnọdụ.