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 ...
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Description: A ferrous meteorite in apparent flux. Under the right conditions, it could become sublime.
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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).
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The present invention provides a kind of classification cloth sintering method of siderite, include the following steps: that siderite is sieved into first miberal powder of the granularity greater than 1mm by (A) and granularity is less than the second miberal powder of 1mm；(B) by vanadium ilmenite concentrate, high-grade iron ore, the second miberal powder, activity grey flux, coke …
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A technology of sinter and iron concentrate, which is applied in the field of sinter preparation, can solve the problems such as not mentioning sinter, achieve the effect of overcoming the substandard strength and reducing the preparation cost
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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
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The invention discloses a sintering control method for stably improving the blending ratio of siderite, and relates to the technical field of sintering processes. The method comprises the steps of waste gas temperature control, ignition temperature control, sintering main pipe negative pressure control, material level and material distribution control of a mixing bin, batching …
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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 ...
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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 …
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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.
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Sintering accounts for about 50% of the total NOx emissions of the iron and steel industry. ... In order to provide a better theoretical foundation for utilisation of Xinjiang siderite resources ...
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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 …
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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.
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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.
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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 …
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The sintering process is finalized to transform the small grained raw material into larger grained iron ore sinter of the right dimensions to be used in the blast furnace. ... such as siderite, are sintered. Sinter plant produces up to 50% of the total dust emissions of integrated steel plants. Dangerous compounds include SO 2, HF, HCl, and PAH ...
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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 …
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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 …
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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).
WhatsApp: +86 18221755073
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.
WhatsApp: +86 18221755073
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 ...
WhatsApp: +86 18221755073
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 ...
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The invention discloses a method for sintering a vanadium/titanium magnetite concentrate and siderite, which comprises the steps as follows: crude fuel materials are prepared, and comprises siderite, iron ore, a flux and fuel materials; crude ore of the siderite is processed, the content of one kind of siderite with a particle grade greater than 8 mm is less than 10 wt% of the total …
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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 …
WhatsApp: +86 18221755073
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 ...
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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 …
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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 …
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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 …
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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 …
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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 coke fines in a fuel–ore mixture ...
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