MANUFACTURING METHOD OF CARBONACEOUS MATERIAL INTERIOR GRANULATION PARTICLES AND MANUFACTURING METHOD OF CARBONACEOUS MATERIAL INTERIOR AGGLOMERATE

• Main Authors: IWASE KAZUHIRO, YAMAMOTO TETSUYA, IWAMI TOMOJI
• Format: Patent
• Language: English; Japanese
• Published: 29.03.2018
• Subjects: CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

PROBLEM TO BE SOLVED: To provide a manufacturing method of carbonaceous material interior granulation particles having high carbonaceous material nucleus content with a size suitable for enhancing productivity of a carbonaceous material interior agglomerate.SOLUTION: There is provided a manufacturing method of carbonaceous material interior granulation particles in which circumference of a carbonaceous nucleus is coated by a mixed powder by mixing an iron ore powder and a lime containing raw material to prepare the mixed powder and granulating a granulation raw material containing a carbonaceous material and the mixed powder, the mixed percentage of the carbonaceous nucleus to the granulation raw material is 1 mass% to 10 mass%.SELECTED DRAWING: Figure 1 【課題】炭材内装塊成鉱の生産性を向上できる好適な大きさであって、高い炭材核含有割合を有する炭材内装造粒粒子の製造方法を提供する。【解決手段】鉄鉱石粉と石灰含有原料とを混合して混合粉とし、炭材核と混合粉とを含む造粒原料を造粒することで、炭材核の周囲を前記混合粉で被覆させた炭材内装造粒粒子の製造方法であって、造粒原料に対する炭材核の配合割合を１質量％以上１０質量％以下にすることを特徴とする。【選択図】図１