The results can be applied to the thermodynamic research of new copper smelting technologies adopting calcium ferrite slag. 研究结果可用于采用铁酸钙渣系的炼铜新工艺热力学研究。
As to high basicity sinter, the influence of the reduction disappearance of calcium ferrite and hematite on sinter strength is twice higher than the phase transition of calcium orthosilicate. 对于高碱度烧结矿,铁酸钙和赤铁矿的还原消失对烧结矿强度的影响是正硅酸钙相变的两倍以上;
By controlling FeO and quicklime content, and improving the permeability and oxidation atmosphere of the sinter bed, the sinters with calcium ferrite as main binding phase can be produced. 采用控制混合料中氧化亚铁含量进行配矿,保证生石灰用量,改善料层透气性和氧化性气氛等措施,可以获得以铁酸钙为主要粘结相的烧结矿。
The results have shown that the high activity of the lime is favorable for the formation of fine acicular and acicular structure calcium ferrite. 结果表明:石灰活性影响烧结矿中铁酸钙的结晶形态及铁酸钙数量,活性度高的石灰有利于细针状和针状铁酸钙的形成。
The Effects of Calcium Gluconate on the Milling Efficiency and Magnetic Properties of Strontium Ferrite 葡萄糖酸钙对锶铁氧体球磨效率和磁性能的影响
The influences of the lime's activities on the form of calcium ferrite, the sinter's grade, intensity and yield have been studied in this paper. 研究了石灰活性对烧结矿中铁酸钙的结晶形态、烧结矿品位、强度和成品率等的影响。
The results show that the anti-fracture ability of sinters is determined by fracture toughness of calcium ferrite for sinters with large size calcium ferrite. 结果表明:铁酸钙尺寸较大时,烧结矿的抗断裂性能由铁酸钙本体的断裂韧性决定,它的尺寸较小时由其形态决定;
Formation mechanism of acicular calcium ferrite 针状铁酸钙形成机理的试验研究
Effect of Calcium Ferrite Morphology on Anti-Fracture Ability of Sinters 铁酸钙的形态对烧结矿抗断裂性能的影响
When the content of MgO is at low level ( 1.4%), Fe_3O_4 and Fe_2O_3 oxidized from Fe_3O_4 are combined with calcium ferrite phase forming sinter with good microstructure and high strength. 低MgO时,未氧化的Fe3O4及其部分氧化生成的Fe2O3与铁酸钙粘结相形成了烧结矿良好的显微结构,其烧结矿强度良好。
The formation of primary liquid and effect of B 2O 3 addition on the formation of calcium ferrite in magnetite sintering process have been investigated. 研究了磁铁矿烧结过程初期液相的形成及加入B2O3对铁酸钙生成的影响。
The reason is that in sinter added with dolomite, the main mineral components are calcium ferrite and skeletal hematite surrounded by a large quantity of glass-phase silicate and weak cracks. 配加白云石后,烧结矿矿物组成主要为铁酸钙与骸晶状赤铁矿,骸晶状赤铁矿周围有大量以玻璃质物相存在的硅酸盐矿物,且有大量微细裂纹;
Early sintering liquid phase is CaO-Fe_2O_3 system when hematite is sintered. Hematite particles are enclosed and ablated gradually, at last formed interlaced texture between hematite and calcium ferrite. Sintering mechanics of fine grinding high-iron and low-silicon magnetite is different from that of hematite. 赤铁矿烧结时,烧结初期液相是CaO-Fe2O3系。
The effect of b_2o_3 on the formation of calcium ferrite in the Magnetite Sintering Process B2O3对磁铁矿烧结过程铁酸钙形成的影响
The final slag mostly is grainy C_2S, and some sheet like C3S in it. In addition, there is sosoloid of calcium ferrite and magnesium ferrite, and phase RO. 转炉终渣主要是以颗粒状C2S为主,并有一定量的板状的C3S,另外还有铁酸钙和铁酸镁的固溶体,以及RO相。
Some low melting compounds ( for example, CaB_6) were formed from the mixture of B_2O_3 and some metal oxides in lower temperature. Thereafter, the ratio of reaction and the amount of calcium ferrite were increased whereas ortho-silicate was decreased. B2O3在较低的温度下能和某些金属氧化物生成低熔点化合物(如:CaB6),从而加快烧结反应速度,促进铁酸钙的生成,减少正硅酸钙的生成量。
Research of reduction behavior of binary calcium ferrite 二元铁酸钙还原行为的研究
The anti-corrosion mechanism, modification method of the modified calcium ferrite pigment and its application in phenolic prime, alkyd prime, epoxy ester prime, and polyurethane prime are stated in the paper. 本文论述了改性钙铁颜料的防锈机理,颜料改性处理方法,以及它在酚酸底漆、醇酸底漆、环氧酯底漆、聚氨酯底漆等防锈漆中的应用。
And Al_2O_3 is the essential condition of the creation of needle-shaped calcium ferrite. 软熔性能,Al2O3是针状铁酸钙生成的必要条件。
And pre-moistening of return fine can improve diffuse binding, increase magnetite content, and decrease calcium ferrite content. 而返矿预润湿则增加了扩散固结的比例,磁铁矿含量增加,铁酸钙含量减少。
And when by wind crush, it will mainly have fine and uniform calcium ferrite and dicalcium silicate minerals, which is also beneficial to the direct utilization. 风碎法预处理后的钢渣结构稳定性较好,以硅酸二钙和铁酸钙为主要矿物,矿物粒度细小而均匀,对直接资源化利用也较有利。
Thermodynamic Analysis on Removal of Calcium and Magnesium during Preparation of Mn-Zn Ferrite Precursor by Coprecipitation 共沉淀法制备锰锌软磁铁氧体前躯体共沉过程中钙、镁深度脱除的热力学分析
This paper studied the influence on elimination of calcium and magnesium by NH_4F during the preparation of Mn-Zn ferrite precursor by coprecipitation. 研究了在碳酸盐共沉淀法制备锰锌软磁铁氧体前躯体净化过程中NH4F对钙镁杂质深度脱除的影响。
The analysis of optical microscope and x-ray diffraction indicates that through the reasonable iron-bearing material proportioning to promote the calcium ferrite and iron olivine formation, and to obtain the melting corrosion structure or the granular structure as primarily sinter, the sinter strength could be increased. 光学显微镜和X-射线衍射分析表明,合理控制铁料搭配,生成较多的铁酸钙和铁橄榄石,得到以熔蚀结构或粒状结构为主的烧结矿,可以提高强度。
Rate of Calcium Ferrite Formation in Sintering Process 烧结过程铁酸钙的生成速度
It is shown that the high temperature cooling zone plays an important role in formation of calcium ferrite and high-basicity sinter. 研究表明,高温冷却带对烧结矿的成矿起着十分重要的作用。
Modification of calcium ferrite pigment and its application in anti-corrosion paint 钙铁颜料改性及在防锈漆中的应用