CN111926176A
The invention discloses a method for roasting siderite by a belt sintering machine, which specifically comprises the following steps: (1) crushing siderite and coal, and respectively putting into a bin; (2) uniformly stirring the raw materials in a mixer, and then conveying the raw materials to a belt sintering machine for roasting; (3) and (3) smashing the siderite roasted in the step …
Solid-Fuel Combustion in the Sintering of Siderite Ore
Two technologies are considered for the preparation of solid fuel used in sintering: crushing with portions of roasted siderite ore whose strength is less than that of the fuel; or crushing of the fuel alone and subsequent mixing with the ore portions. On the basis of derivatographic data, kinetic equations are written for the high-temperature combustion of …
A kind of graded distribution sintering method of siderite
A sintering method and siderite technology are applied in the field of graded distribution and sintering of siderite, which can solve the problems of increasing pig iron cost, affecting the strength of sintered ore, and high mining cost of ore, improving yield and utilization factor, and low mining cost., the effect of increasing the sintering output
Sintering Behaviors of Siderite
With Xinjiang siderite as the main raw material,500mm deep bed sintering test was carried out under the laboratory conditions.The sintering tests with different sinter basicity,solid fuel ratio …
Sintering Behaviors of Siderite
With Xinjiang siderite as the main raw material,500mm deep bed sintering test was carried out under the laboratory conditions.The sintering tests with different sinter basicity,solid fuel ratio and siderite ratio were performed.By analying the sinter properties of siderite and mineralogical structure,the optimal parameters were obtained.Under the optimized conditions,the siderite …
Evaluating the efficiency of metallized siderite concentrate …
The chemical composition of the sinter obtained without Bakal siderite concentrate in the batch is calculated. The influence of Bakal siderite in the batch on the sinter composition is assessed.
Sintering of Bakal siderite ore | Steel in Translation
A method of preparing siderite ore that expands its applicability in sintering is considered. The results are of great practical importance, since they permit optimal preparation of such ore so as to obtain sinter with satisfactory metallurgical properties.
Hydrogen-driven routes to steel from siderite with low CO2 …
The industrial practice is to blend siderite with other high grade ores in the sinter plant (Chun et al., 2015, Ponomar et al., 2018, Sun et al., 2019, Zhu et al., 2020). During the sintering process as shown in Fig. 1, siderite is converted to hematite (Fe 2 O 3) in a rotary kiln under an air atmosphere according to Eq. (1).
Hydrogen-driven routes to steel from siderite with low CO2 …
CO 2 hydrogenation reduction was introduced in steelmaking from siderite minerals to further reduce the CO 2 emissions. Based on thermodynamic analysis results, we provided four options of hydrogen-driven route to steel from siderite named FTI-CO 2 HR, FTM-MTI-CO 2 …
An efficient process to upgrade siderite ore by pre oxidation
MCI contains 22% siderite, and FeCO 3 in the siderite will be decomposed during sintering, as shown in Equation (4). FeCO 3 usually starts to decompose at about 400 • C, ...
Chapter Advances in Sintering of Iron Ores and …
Chapter "Sintering of iron ores and concentrates" is focusing on the study of theoretical, thermodynamic and experimental results in the production of sinters from iron ores and …
Sintering control method for stably increasing siderite …
A technology for sintering control and siderite, applied in the field of sintering process, can solve the problems affecting the normal operation of electrostatic precipitator equipment and desulfurization system, high ore output temperature of sinter, accelerated aging of ring cooler, etc., so as to reduce sintering cost and reduce The effect of returning ore and improving the …
Study on Basic Sintering Properties of Siderite
Study on Basic Sintering Properties of Siderite[J]. Multipurpose Utilization of Mineral Resources, 2018, (6): 85-89. doi: 10.3969/j.issn.1000-6532.2018.06.017. Study on Basic Sintering Properties of Siderite. Hu Hong, Song Chunyan, Hu Guiyuan; Publish Date: 01 December 2018 FullText(HTML) Relative Articles Cited by ...
Solid-Fuel Combustion in the Sintering of Siderite Ore
Two technologies are considered for the preparation of solid fuel used in sintering: crushing with portions of roasted siderite ore whose strength is less than that of the fuel; or …
Sintering behaviors of siderite
The results show that the siderite sintering with a small amount of magnetite can obtain good sinter varieties, when the coke ratio is 4.8%-5.7%. Basicity has little influence on …
Studies on the Removal of Harmful Elements During Sintering of Siderite
Abstract Addition of small amounts of calcium and magnesium chlorides to the sinter charge of siderite iron ore, to minimise the percentages of harmful elements such as Pb, Zn, Cu, Sb and As was successfully performed. Remarkable removal of these elements was achieved during sintering. The produced sinter acquired good physical characters, like Iso tumbler index.
Innovative flotation for the utilisation of carbonate-bearing (siderite
Siderite slime adheres to quartz and hematite surfaces and makes them exhibit floatability that is similar to that of siderite [6]. ... (Tianjin Fuchen Inc., AR) was used as activator, and KS-III (Donganshan Sintering Plant, LP) was used as collector. Several dispersants were as follows: MS-2 (85% citric acid (Tianjin Kermil Inc., AR) and 15% ...
Utilisation of semi-coke as by-product derived from coal …
Utilisation of semi-coke as by-product derived from coal-based direct reduction process in iron ore sintering. Y. H. Luo [email protected], D. Q. Zhu, […], J. Pan, and X. L. Zhou +1-1 ... Zhu D. Q., Zhou X. L., Shi B. J., Zhang F.: 'Coproduction of DRI powder and semi-coke from siderite ore and low rank coal by excessive coal-based direct ...
Hydrogen-driven routes to steel from siderite with low CO
The industrial practice is to blend siderite with other high grade ores in the sinter plant (Chun et al., 2015, Ponomar et al., 2018, Sun et al., 2019, Zhu et al., 2020). During the sintering process as shown in Fig. 1, siderite is converted to hematite (Fe 2 O 3) in a rotary kiln under an air atmosphere according to Eq. (1).
ASPECTS OF SINTERING THE MAGNESIAN IRON ORE …
concentrate developed at Nosov Magnitogorsk State Technical University (NMSTU) and the siderite ores of the Bakalskoye deposit (Russian Federation). The parameters of sintering process as well as the characteristics of sinter were extensively studied. An addition of the magnesian iron ore concentrate to the sinter mix in the amount of 10
Siderite – Knowledge and References – Taylor & Francis
Siderite is a mineral that typically contains iron and carbonate, and can form in the presence of high concentrations of ferrous iron and carbonate. The iron in siderite is often substituted by …
Optimization of Siderite Ore Sintering Operation Conditions
Research was сarried out on a pilot plant on sintering of various size siderite ore and limonite taken in various ratios. To study impact of a number of process factors on the sintering process performance and the obtained agglomerate quality at the minimum number of the carried out experiments, one of the experiment planning methods was used, and regression equations …
Prime Siderite
Description: A ferrous meteorite in apparent flux. Under the right conditions, it could become sublime.
Aidite CSF-200S&CSF-200L sintering furnace, fast sintering …
As a new generation product of cameo zirconia rapid sintering furnace, it perfectly matches Aidite zirconia materials. At the same time, the design of opening the furnace at 900°cto cool down and adding intelligent management modus has greatly improved the processing efficiency of dentures. Two sizes, different application scenarios The design ...
Sintering of Bakal siderite ore
A method of preparing siderite ore that expands its applicability in sintering is considered. The results are of great practical importance, since they permit optimal preparation of such ore so as to obtain sinter with satisfactory metallurgical properties.
(PDF) Characterization of semi-coke generated by coal …
The blast furnace and direct reduction processes have been the major iron production routes for various iron ores (i.e. goethite, hematite, magnetite, maghemite, siderite, etc.) in the past few ...
Decarbonization of siderite in the water-rich upper mantle
A study indicates that siderite can remain stable under pressure and temperature (P-T) condition of 7 GPa and 1500 °C within subducted slabs, while at higher temperatures, it decomposes into magnetite, carbon and carbon dioxide (Tao et al., 2013).Whether in deep-sea environments or subducted slab settings, the presence of water affects its stability.
Optimization of Siderite Ore Sintering Operation Conditions …
Research was сarried out on a pilot plant on sintering of various size siderite ore and limonite taken in various ratios. To study impact of a number of process factors on the sintering process ...
CN103834799A
The invention discloses a method for increasing yield of sintering ore by utilizing siderite. The method comprises the following steps: crushing the siderite into particles with particle size of 16 to 25mm; completely or partially replacing the finished sintering ore serving as a bedding material by the particles; distributing materials; igniting; sintering; and then oxidizing and roasting the ...
sintering of siderite
Abstract: Research was сarried out on a pilot plant on sintering of various size siderite ore and limonite taken in various ratios. To study impact of a number of process factors on the sintering process performance and the obtained agglomerate quality at the minimum number of the carried out experiments, one of the experiment planning methods ...