MANUFACTURING METHOD OF SINTERED ORE

• Main Authors: IWAMI TOMOJI, NAGAYAMA YUKI, MORI KIMITOSHI
• Format: Patent
• Language: English; Japanese
• Published: 26.12.2019
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

To provide a manufacturing method of a sintered ore for manufacturing the sintered ore by effectively granulating a sintering raw material and sintering the granulated sintering raw material.SOLUTION: There is provided a manufacturing method of a sintered ore for manufacturing the sintered ore by granulating a sintering raw material, in which at least an iron-containing raw material, a CaO-containing raw material and a coagulant are blended, by a granulator and sintering the granulated sintering raw material by a sintering machine, having a measurement process for continuously measuring at least one component concentration of the iron-containing raw material and the sintering raw material, and an adjustment process for adjusting at least one of amount of water added in the granulator for rolling the sintering raw material in the granulator, rotation number of the granulator, and an inclination angle of the granulator by using the component concentration measured in the measurement process.SELECTED DRAWING: Figure 1 【課題】効率よく焼結原料を造粒し、造粒した焼結原料を焼結して焼結鉱を製造する焼結鉱の製造方法を提供する。【解決手段】少なくとも鉄含有原料、ＣａＯ含有原料および凝結材が配合された焼結原料を造粒機で造粒し、造粒された焼結原料を焼結機で焼結して焼結鉱を製造する焼結鉱の製造方法であって、鉄含有原料、焼結原料のうち少なくとも１つの成分濃度を連続測定する測定工程と、測定工程で測定された成分濃度を用いて、焼結原料が前記造粒機で転動するように造粒機で添加される水量、造粒機の回転数および造粒機の傾斜角度のうち少なくとも１つを調整する調整工程とを有する。【選択図】図１