sintering of siderite

sintering of siderite

Sintering of Bakal siderite ore | SpringerLink

Nov 14, 2010 · 高达10%返现 · 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.

Solid-Fuel Combustion in the Sintering of Siderite Ore ...

Nov 29, 2018 · 高达10%返现 · 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

Sintering of Bakal siderite ore - ResearchGate

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 ...

Sintering Siderite - vaikuendokrinologija.lt

2007-6-3 Mainly local ore is used in In period 12, the consumption of recycled material the sintering batch, with the addition of 0–5.5% Bakal is higher, but the surface-equivalent particle size of the siderite, Mikhailovsk, Stoilensk, and Bogoslovsk ore, sinter, characterizing its gas permeability, and the and intermediate products.

Optimization of Siderite Ore Sintering Operation ...

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 were derived.

Influence of roasted siderite concentrate in the sintering ...

Sep 29, 2012 · 高达10%返现 · 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. The sinter content in the blast-furnace batch, the MgO content in the slag, the slag yield, and the slag basicity are plotted against the content of siderite concentrate in the sintering

Sintering of Bakal siderite ore - ResearchGate

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 ...

UTILIZATION OF SIDERITE ORE IN ISDEMIR SINTER PLANTS ...

The sintering behaviour of metal injection moulded tungsten components using fine (FSSS 0.4 to 1 μm) and coarse (FSSS 5.0 to 7.0 μm) powder has been investigated via dilatometric and three-point ...

Sinter Burden | Scientific.Net

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 was used, and regression equations were derived.

Method of calculating the main indices of the sintering ...

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 ...

Calcination and Pelletizing of Siderite Ore | IntechOpen

Jul 11, 2018 · In the present study, calcination properties of Hekimhan-Deveci siderite (FeCO3) ore and the effect of calcination process before the pelletization on strength of pellet were investigated and evaluated. Two different calcination processes were followed. One of them is the traditional calcination process and the other one is microwave assisted calcination process which is a new process for ...

Intensive milling of siderite | Request PDF

Modification of magnetic properties of siderite ore by microwave energy, Separation and Purification Technology, Vol. 43, pp. 169-174. Feasibility studies for calcination and sintering of Hekimhan ...

(PDF) Characterization of semi-coke generated by coal ...

In addition, the application of semi-coke in sintering could decrease SOx and NOx pollutants by 66 and 25%, respectively, in waste gas compared with coke breeze as solid fuel. ... Siderite is one ...

Modification of magnetic properties of siderite ore by ...

May 01, 2005 · An alternative way to classical magnetic roasting is a magnetic roasting induced by microwave energy. The influence of different particle size on microwave heating of siderite ore was investigated at constant time of heating of 3 min. ().It follows from the experiments that bigger the size fraction, higher is the temperature of the heated material, which is important from a technological aspect.

Sintering of ceramics for clay in situ resource ...

Sep 01, 2020 · Sintering in vacuum at 1150 °C 10min lead to almost dense ceramics with the lowest water absorption after 10min of all samples sintered in simulated Mars atmosphere (3.02 ± 0.23%) and lower than for parts sintered at the same schedule in oxidizing atmosphere that had 7.36 ± 0.11%.

Kinetics of thermal decomposition of Hekimhan–Deveci ...

Jul 02, 2008 · Malatya (Hekimhan–Deveci) siderite ore was used as the material subjected to heat treatment in the study. The chemical composition of the ore has been determined by X-ray fluorescence (XRF) analysis and the results are as shown on the following table ().The XRD pattern of the ore indicated that siderite is the main mineral; ankerite (CaFe(CO 3) 2), dolomite (CaMg(CO 3) 2), calcite

Modification of magnetic properties of siderite ore by ...

The modification of the magnetic properties of mineral components in siderite ores by microwave heating results in increasing the efficiency of their magnetic separation. Pre-treatment in a microwave oven with maximum power of 900 W of weakly paramagnetic ore (25.1% Fe, 9.6% SiO 2) was realized with the samples (100 g) of iron spathic ore of ...

A phenomenological investigation into potassium migration ...

Feb 05, 2019 · Moreover, due to the geochemistry in nature, ashes of high rank coals riches in quartz, kaolinite, illite, mica, chlorite, spinel, dolomite, siderite, hexahydrite, and Fe oxyhydroxides often shows relatively high sintering temperature , , whereas low rank coal that is rich in calcite, pyrite, gypsum, and other sulphates tends to produce ashes ...

Using Magnesian Agglomerate in Blast Furnaces for Smelting ...

Jan 27, 2021 · 高达10%返现 · Abstract— The technology of producing and applying magnesian agglomerate with the Bakal concentrate of burnt siderite ore (CBSO) used in the batch mixture is considered. According to lab tests on a sintering pot plant, an increase in the CBSO content in the sinter burden of the Vysokaya Gora Mining and Processing Works (VG MPW) increases the nodulizing

CN1995411A - Process for producing iron finished ore ...

The invention discloses a manufacturing technique of iron concentrate powder from low-grade siderite, which comprises the following steps: adopting low-grade siderite as raw material; breaking; sieving; obtaining the sintered ore with grain size at 10-40mm; adopting flue gas as fuel; proceeding magnetic sintering; transmitting FeCO3 in the siderite into Fe3O4; cooling the material below 300 ...

Solid-Fuel Combustion in the Sintering of Siderite Ore ...

Dive into the research topics of 'Solid-Fuel Combustion in the Sintering of Siderite Ore'. Together they form a unique fingerprint. siderite Chemical Compounds 100%. Ores Chemical Compounds 51%. Sintering ...

Method of calculating the main indices of the sintering ...

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 ...

Boris P. Yur'ev | Scientific.Net

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 was used, and regression equations were derived.

Sintering of Containing Magnetite Concentrate

ISIJ International, Vol. 38 (1 998), No. 10, pp. I069-1076 Sintering Hematite of Blends Containing Magnetite orland Goethite Ores Concentrate and L. X. BHP YANGand D. WITCHARD Research Newcastle Laboratories, POBox 188, Wa]Isend 2287, Australia. (Received on April 6. 1998.• accepted in final form on July 2. 1998) E-mail: [email protected],au Manysinter plants in China use magnetite ...

Sintering Fundamentals of Magnetite Alone and Blended with ...

Pilot-scale sintering tests were carried out using a sinter pot of 320mm diameter under the following conditions: igni-tion time 90s, ignition suction 8kPa, sintering suction 12kPa. Detailed technique has been given in a previous publication.5) 3. Properties and Sintering Behaviour of Chinese Magnetite Concentrates 3.1. Magnetite Concentrate ...

Output | Scientific.Net

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 was used, and regression equations were derived.

A phenomenological investigation into potassium migration ...

Feb 05, 2019 · Moreover, due to the geochemistry in nature, ashes of high rank coals riches in quartz, kaolinite, illite, mica, chlorite, spinel, dolomite, siderite, hexahydrite, and Fe oxyhydroxides often shows relatively high sintering temperature , , whereas low rank coal that is rich in calcite, pyrite, gypsum, and other sulphates tends to produce ashes ...

Metallurgical Properties | Scientific.Net

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 was used, and regression equations were derived.

percentage of iron from siderite

Siderite - Wikipedia, the free encyclopedia. Siderite is a mineral composed of iron(II) carbonate (FeCO3). It takes its name from the Greek word σίδηρος sideros, “iron”.

Characterization of semi-coke generated by coal-based ...

reaction activity, which predicts that the sintering speed could be elevated to some extent when employing it as a partial replacement of coke breeze, so the studies further suggest that the potential adverse effect of the high reactivity on sintering process could be weakened by adequately coarsening the semi-coke’s particle size.

Effect of high MgO/Al2O3 ratio (1.2 to 2.2) on sintering ...

The sintering pot test was used to investigate the effect of MgO/Al 2 O 3 ratio in the range of 1.2 to 2.2 on the sintering ... ore 1 also contained a small amount of siderite (FeCO 3). The main phase in ore 2 was hematite, indicating that ore 2 was typical hematite.

Ömer Saltuk BÖLÜKBAŞI - Faculty of Engineering and Natural ...

Sintering is the most common agglomeration process in which iron bearing materials of fine particle size are converted into coarse agglomerates by partial fusion. Sinter material is consisted of fine iron ore and flux material by the melting of high temperature (900-1300 Co) and it is the main charge material of the ferrous to the blast furnace.

英语ppt-钢铁是怎样炼成的_百度文库

英语ppt-钢铁是怎样炼成的. fAdvantages of steel : 1.Nature of iron storage capacity is very large, second only to Aluminium; 2. Steel has a good physical, mechanical and process performance; 3. Steel has the characteristics of large production scale、high efficiency, good quality and low cost; 4. The steel has good recyclability.

Iron ore mining and dressing - tec-science

Jun 21, 2018 · The ferrous mud adheres to the rolls and is then stripped off and dried. The separated gangue falls through a separate funnel into a container and is disposed of. In principle, this process is also suitable for the iron ores siderite and hematite, which become weakly magnetic when heated. Figure: Magnetic separator Sintering and Pelletizing