烧结原料档（Sintered material file）.doc

烧结原料档（Sintered material file） 1, pellet: pellet is mixture of fine iron concentrate and additives by balling machine rolling into the sphere of 9~16mm, spherical drying, roasting and consolidation into a certain strength and metallurgical properties of iron bearing materials. 2. Roasting: the raw ball is heated at high temperature below the melting point of the mixture to make it shrink and compact. 3, bedding material: before paving mixture, first of all to the trolley of sintering machine grate covered with a layer of 4~20mm cold sinter thickness and particle size of about 10~25mm. 4. Sintering burden: the proportion of the prepared sinter materials according to the proportioning calculation and the amount of feed needed by the sintering machine. The proportioning process of the sinter mixture is accurately carried out. 5, material layer permeability: in a certain pressure differential conditions, permeability in unit time by unit area and a certain height of sinter layer gas content. 6. The chemical reaction of the two solids on their interface before the material is melted. The reaction product is also solid. 7, burst: raw ball in high temperature sintering, because of moisture evaporation, cracking phenomenon. 8, CaO mineralization: CaCO decomposition products such as CaO and SiO mineralization, respectively, forming calcium silicate, limestone decomposition, temperature reduction phenomenon. 10, water additives: good, adhesive ability, high material Ballability Two fill in the blanks 1, sintering process, according to the sintering layer from top to bottom can be divided into sintering layer, combustion layer, preheating layer, drying layer, over wetting layer, where the resistance is the largest combustion layer. The characteristics of combustion 2, the sintering process of C is small and scattered, from top to bottom for combustion. 3. The composition of the exhaust gas in the sintering material layer is related to the characteristics of the sintering materi