Siderite Sintering

CN112210662A

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 …

(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 ...

Sinterit – Manufacturer of compact and industrial SLS 3D …

Knowledge. As SLS 3D is getting more popular, we share our insights, tips, and tricks for you to use. Case Studies. With a four-figure installation worldwide of Sinterit's 3D printers, here you can find some of our client's stories.

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.

ASPECTS OF SINTERING THE MAGNESIAN IRON ORE …

The consumption of siderite ores of the Bakalskoye deposit can be increased by replacing some of the relatively high-magnesia Bakalsky concentrate (a mixture of roasted siderite concentrate …

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).

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 ...

Classification Flotation of Donganshan Siderite-containing …

Request PDF | Classification Flotation of Donganshan Siderite-containing Hematite Ore | There is 32. 45% Fe in iron ore from Donganshan Sintering Plant. The ore has the characteristics of poor ...

Chapter Advances in Sintering of Iron Ores and …

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 …

Chapter Advances in Sintering of Iron Ores and …

Carbonate ores based on siderite - FeCO 3 (48.30% Fe) can also be processed, as well as silicate ores (leptochlorites), e.g. chamosite. The highest natural iron ... sintering are pretreated in the granulation process. The values of specific surface of the granulated materials should not be lower than 2000 cm2.g 1, ...

Influence of roasted siderite concentrate in the sintering …

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 …

CN108425008B

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 …

Xianlin ZHOU | Lecturer | PhD | Wuhan University …

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 ...

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 ...

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, ...

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 …

What are the calcining processes of siderite?

The Daxigou siderite mine in Zhashui County, Shaanxi Province is the largest siderite base in my country. The ore composition is simple. The iron minerals are mainly siderite, followed by limonite and a small amount of magnetite. The iron minerals are also due to Isomorphism contains a certain amount of Mg2♦ and MiP.

Algoma Ore: The Helen and Magpie Iron Mines

The M agpie ore was a low grade ore rich in sulfur called Siderite. A sintering plant was built nearby t he t unnel entrance to ﬁre the raw ore to drive oﬀ sulfur compounds b efore shipment. An ele ctric h oist brought or e f rom the min e t o t he plant for roasting.

Description for 1011: Iron Ores | Occupational Safety and …

Siderite mining; Sintering of iron ore at the mine; Taconite mining; Scroll to Top. OSHA; Standards; Enforcement; Topics; Media Center; Contact Us; U.S. Department of Labor. Occupational Safety and Health Administration 200 Constitution Ave NW Washington, DC 20210 1-800-321-OSHA 1-800-321-6742 ...

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 ...

sintering siderite

Siderite-containing iron concentrate ore-blending sintering …

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

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 ...

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 …

CN103627894A

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 …

Mechanism of Adsorption and Aggregation of Fine Siderite…

Donganshan Sintering Plant, Anshan Iron & Steel Group Corporation, Anshan 114001,China. Received: Revised: Online: Published:2014 ... A large number of fine siderite particles were adsorbed on the surface of gangue and useful minerals, which seriously deteriorates the following processing. ...

(PDF) Coproduction of DRI Powder and Semi-coke from Siderite …

Coproduction of DRI Powder and Semi-coke from Siderite Ore and Low Rank Coal by Excessive Coal-based Direct Reduction in Rotary Kiln ... it can be used as solid fuel in the iron ore sintering to ...

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 ...

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 …

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 …