carbon for titanium slag furnace

Titanium slag SMS group

Contracted by Yunnan XinLi, we supplied the core equipment of a DC furnace for titanium oxide slag production. The completion of this plant clearly shows that SMS group has supplied the major equipment for almost all DCbased titanium oxide slag furnaces.

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Balance of Raw Input and Energy of Titanium Slag Smelting

There were two controlling factors, which should be kept balance of raw input and energy during titanium slag smelting in closed high power direct current electric arc furnace, DC furnace for short. The first factor contains compositions and ratio of input raw materials. Compositions of the raw could influence the progress and technical indiors of DC furnace smelting, and on the meanwhile

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Sulfation Leaching Treatment ilmenite Concentrate Titanium

Recent experiment in our laboratory demonstrates that an increase in slag foaming with carbon injection rate is limited by slag volume. The current work has identified a relationship between height, carbon injection rate and slag volumes, which predicts the critical injection rate above which foaming become inefficient. The

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EAF Electric Arc Furnace YouTube

Nov 24, 2008 · EAF Electric Arc Furnace and scrap steel is melted in three charges to get around 40 tonnes of steel to be further processed in the ladle furnace. The rods are from carbon

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Investigation of Titanium Compound Formation in the Blast

titanium concentration in hot metal by adding a significant amount of titanium raw material and controlling the furnace heat to a little higher level before shutdown with intensifying hearth cooling. 1. INTRODUCTION The main wear mechanisms for the lining of the hearth are abrasion caused by flowing hot metal/slag and corro

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HOT METAL FLOW IN THE BLAST FURNACE HEARTH:

furnace. The transport phenomena and physical status in the hearth of an iron making blast furnace are very complied and difficult to monitor and characterise. The nonuniform flow, heat transfer, and carbon dissolution from the refractory and the coke bed (dead man) cause large differences in thermal conditions and hot metal composition.

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(PDF) Titanium distribution between blast furnace slag and

Dec 27, 2018 · Recovery of titanium from titanium bearing blast furnace slag by ammonium sulphate and potassium sulphate melting method is carried out for the first time, which transforms the titanium

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A novel process for preparation of titanium dioxide from

A novel process to prepare titanium dioxide from Tibearing electric furnace slag by NH 4 HF 2HF leaching and hydrolyzing process has been developed.In this present study, the effects of [NH 4 +]/[F] mXolar ratio, leaching temperature, [F] concentration, liquid/solid mass ratio, leaching time on the Ti extraction, and the phase transformations have been investigated to reveal the leaching

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Carbon Injection into Electric Arc Furnace Slags

Recent experiment in our laboratory demonstrates that an increase in slag foaming with carbon injection rate is limited by slag volume. The current work has identified a relationship between height, carbon injection rate and slag volumes, which predicts the critical injection rate above which foaming become inefficient. The

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WO2017087997A1 Improved ilmenite smelting process

A method of preparing a prereduced ilmenite ore for smelting, wherein metal oxides contained in the ore are selectively reduced in solidstate reactions over titanium oxide, the method including the step of prereducing carbonbased pellets of the ore.

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(PDF) Titanium distribution between blast furnace slag and

Dec 27, 2018 · Recovery of titanium from titanium bearing blast furnace slag by ammonium sulphate and potassium sulphate melting method is carried out for the first time, which transforms the titanium

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Development of a control strategy for the open slag bath

for the open slag bath furnaces (OSBF) was 1.16% for the same period. Low iron yield – mainly due to low iron temperature Low productivity – due to low power inputs. This is a result of erratic furnace carbon contents. The average metal production for the SAF was 284 t/day for July 2008, while for OSBF it was 344 t/day for the same period.

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Ferrosilicon smelting in a direct current furnace(Patent

A method for the recovery of valuable materials from titanium grinding swarf is provided comprising the steps of sieving the accumulated titanium grinding swarf to remove unwanted coarse trash and grinding wheel fragments, pelletizing, and smelting in an electric arc furnace to produce ferrotitanium and/or high titanium slag. 1 fig.

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Recovery of uranium from slag from the electric furnace

Recovery of uranium from slag from the electric furnace production of phosphorus Abstract When phosphate rock is reduced to elemental phosphorus with coke in the electric furnace process, the uranium in the phosphate rock virtually all goes into the by product slag

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PROTECTION MECHANISMS FOR BLAST FURNACE

Mochón et al.Protection mechanisms for blast furnace crucible using titanium oxides 197 Protection mechanism by adding titanium compounds STAGEI STAGEII STAGEIII Addition of TiO 2 in the Slag SLAG Disolution of TiO 2 in the Slag Incorporation of TiO 2 to the pigiron as metallic titanium CARBON REFRACTORY Precipitation of Titanium Carbide

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Control of carbon balance in a silicon smelting furnace

A method for the recovery of valuable materials from titanium grinding swarf is provided comprising the steps of sieving the accumulated titanium grinding swarf to remove unwanted coarse trash and grinding wheel fragments, pelletizing, and smelting in an electric arc furnace to produce ferrotitanium and/or high titanium slag.

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Appropriate titanium slag composition ScienceDirect

As a result, the blast furnace titanium slag in CaTiO3 primary phase field contains less than 25% (mass fraction) TiO2, where the titanium resource cannot be recovered economically due to its low TiO2 content. Therefore, many other methods [5âˆ''12] are developed to achieve the comprehensive utilization of vanadium titanomagnetite ore.

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Carbon dioxide mineralization for the disposition of blast

Carbon dioxide mineralization for the disposition of blast‐furnace slag is an important method for reducing CO 2 emissions and simultaneously dealing with solid waste from the steel industry. However, due to the stable structures and properties of blast‐furnace slag, low mineralization reaction efficiency is a key issue in this process and hinders industrial appliions.

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Blast furnace Wikipedia

Blast furnaces differ from bloomeries and reverberatory furnaces in that in a blast furnace, flue gas is in direct contact with the ore and iron, allowing carbon monoxide to diffuse into the ore and reduce the iron oxide to elemental iron mixed with carbon. The blast furnace operates as a countercurrent exchange process whereas a bloomery does

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Electric Steel slag, furnace, carbon, metal and basic

After all these alloys are melted and diffused the current is shut off and the metal lies quiet for 3o min. or more, to allow entrapped particles of slag to arise and the superheated metal to cool and liberate dissolved carbon monoxide gas. Slag is then most carefully skimmed, and the steel poured into a ladle which may contain a little carbon

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Electric arc furnace Wikipedia

An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc. Industrial arc furnaces range in size from small units of approximately one ton capacity (used in foundries for producing cast iron products) up to about 400 ton units used for secondary steelmaking.

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extraction of titanium chemguide

Titanium is made by a batch process. In the production of iron, for example, there is a continuous flow through the Blast Furnace. Iron ore and coke and limestone are added to the top, and iron and slag removed from the bottom. This is a very efficient way of making something. With titanium, however, you make it one batch at a time.

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Sulfation Leaching Treatment ilmenite Concentrate Titanium

The furnace was lined with carbon and a rammed carbon hearth rather than with a normal refractory material, such as magnesite, to prevent excessive contamination of the molten slag by refractory oxides. Carbon was considered a less objectionable impurity than refractory oxides in titanium slag. Procedure and Results

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Study on Utilization Technology of Vanadium Titanium

Through carrying out large scale of experiments, the process of ''rotary harth furnace direct reduction—deep reduction electric arc furnace—extracting vanadium from vanadium bearing slag—extracting titanium from titanium bearing slag gets through and the recovery of Fe, V and Ti reached 90.77%, 43.82% and 72.65% respectively. With the study on the laboratory experiments and

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Ferrosilicon smelting in a direct current furnace(Patent

A method for the recovery of valuable materials from titanium grinding swarf is provided comprising the steps of sieving the accumulated titanium grinding swarf to remove unwanted coarse trash and grinding wheel fragments, pelletizing, and smelting in an electric arc furnace to produce ferrotitanium and/or high titanium slag. 1 fig.

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extraction of titanium chemguide

Titanium is made by a batch process. In the production of iron, for example, there is a continuous flow through the Blast Furnace. Iron ore and coke and limestone are added to the top, and iron and slag removed from the bottom. This is a very efficient way of making something. With titanium, however, you make it one batch at a time.

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TitaniaSlag Production Process, Technology

Titania slag, which comes from ilmenite, contains 85 per cent titanium dioxide. Granulation of titania slag has been identified as a potential viable alternative to the conventional block route. Both wet and dry granulation of titania slag has been investigated.

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IRON REMOVING FROM TITANIUM SLAG FOR SYNTHETIC

and Mehdilo, 2004) and then converted to titanium slag by the carbothermic reduction smelting process in a DC electric arc furnace (Mehdilo and Irannajad 2006 Mehdilo et al., 2006 Irannajad and Montajam, 2005). In the present study, the iron removing from the produced titanium slag was investigated by sulfuric and hydrochloric acid

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Blast furnace Wikipedia

Blast furnaces differ from bloomeries and reverberatory furnaces in that in a blast furnace, flue gas is in direct contact with the ore and iron, allowing carbon monoxide to diffuse into the ore and reduce the iron oxide to elemental iron mixed with carbon. The blast furnace operates as a countercurrent exchange process whereas a bloomery does

Get price

TitaniaSlag Production Process, Technology

Titania slag, which comes from ilmenite, contains 85 per cent titanium dioxide. Granulation of titania slag has been identified as a potential viable alternative to the conventional block route. Both wet and dry granulation of titania slag has been investigated.

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Control of open slag bath furnaces at Highveld Steel and

Fig. 2 (period C). When the carbon content of the furnace feed is insufÞcient (periods B in Fig. 2), both the titanium and vanadium contents drop, as would be expected, since both titanium and vanadium are reduced from the slag by carbon, to report to the iron. In Fig. 2, period A

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IRON REMOVING FROM TITANIUM SLAG FOR SYNTHETIC

and Mehdilo, 2004) and then converted to titanium slag by the carbothermic reduction smelting process in a DC electric arc furnace (Mehdilo and Irannajad 2006 Mehdilo et al., 2006 Irannajad and Montajam, 2005). In the present study, the iron removing from the produced titanium slag was investigated by sulfuric and hydrochloric acid

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Carbon Injection into Electric Arc Furnace Slags

Recent experiment in our laboratory demonstrates that an increase in slag foaming with carbon injection rate is limited by slag volume. The current work has identified a relationship between height, carbon injection rate and slag volumes, which predicts the critical injection rate above which foaming become inefficient. The

Get price

Ferrosilicon smelting in a direct current furnace(Patent

A method for the recovery of valuable materials from titanium grinding swarf is provided comprising the steps of sieving the accumulated titanium grinding swarf to remove unwanted coarse trash and grinding wheel fragments, pelletizing, and smelting in an electric arc furnace to produce ferrotitanium and/or high titanium slag. 1 fig.

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SELECTIVE RECOVERY OF TITANIUM DIOXIDE FROM LOW

ensure high conversion of the titanium species in slag to titanium nitride for the envisaged scaleup conditions. It can be expected that different reductants would have different reactivities. However, experimentally the effect on titanium conversion was small. It is suspected that the nitriding of the titanium oxides occur via carbon

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A novel process for preparation of titanium dioxide from

A novel process to prepare titanium dioxide from Tibearing electric furnace slag by NH 4 HF 2HF leaching and hydrolyzing process has been developed.In this present study, the effects of [NH 4 +]/[F] mXolar ratio, leaching temperature, [F] concentration, liquid/solid mass ratio, leaching time on the Ti extraction, and the phase transformations have been investigated to reveal the leaching

Get price

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