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Magnesium Metal Reduction Retort Production Line

We produce both vertical and horizontal retort to reduce the magnesium or calcium metal by Pidgeon process technology. The retort is produced by our hot mold horizontal Centrifugal Casting Machine classified to diameters range from 300mm to 800mm with lengths range from 3,000mm to 3,500mm.

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Pidgeon magnesium reduction retort Global Sources

We produce vertical and horizontal retort to reduce the magnesium metal and calcium metal by the Pidgeon technology. The retort is produced by horizontal Centrifugal Casting Machine with diameter ranged from 370mm to 390mm and length 3,000mm.

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Vertical Larger-Diameter Vacuum Retort Magnesium

  A new magnesium reduction technique has been developed to improve the Pidgeon reduction process. A demo-plant of l000t magnesium per year succeeds in applying this new technique. Firstly, a new furnace is developed and a larger-diameter vertical settled vacuum retort is used instead of traditional horizontal retort.

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Pidgeon Process Magnesium Metal Reduction Technology

Pidgeon Process Magnesium Metal Reduction Technology Vertical Centrifugal Casting Machine Our floor and pit mounted vertical centrifugal casting machines are used to produce the duplexed mill rolls, cylinder liners, bronze or copper alloy tubes, brake drums, discs,

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A Numerical Understanding of Vertical Magnesium

The computed results show that the utilization of the optimized process parameters leads to a decrease in reduction time and energy consumption, and an increase in production capacities and...

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The Pidgeon Process - China Magnesium Corporation

The existing Magnesium Plant (and its proposed expansions) use (will use) the Pidgeon process. The basic raw material supply and magnesium production process is as follows: 1. Mining and crushing of the dolomite: The dolomite is mined and crushed by the supplier at the quarry, and delivered to the Magnesium Plant in 15-25mm granules. 2.

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(PDF) Global Warming Impact of the Magnesium

The ore is calcined in continuous rotary or vertical ... are fed into the retorts of the reduction furnace. ... The generation process and behavior of magnesium reduction slag via Pidgeon process ...

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Pidgeon magnesium reduction retort Global Sources

We produce vertical and horizontal retort to reduce the magnesium metal and calcium metal by the Pidgeon technology. The retort is produced by horizontal Centrifugal Casting Machine with diameter ranged from 370mm to 390mm and length 3,000mm.

More

Vertical Larger-Diameter Vacuum Retort Magnesium Reduction ...

A new magnesium reduction technique has been developed to improve the Pidgeon reduction process. A demo-plant of l000t magnesium per year succeeds in applying this new technique. Firstly, a new furnace is developed and a larger-diameter vertical settled vacuum retort is used instead of traditional horizontal retort. So the furnace can be designed with more compact structure to raise the ...

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NUMERICAL SIMULATION OF MAGNESIUM PRODUCTION BY

NUMERICAL SIMULATION OF MAGNESIUM PRODUCTION BY THE PIDGEON PROCESS PART II: COUPLING OF THE MAGNESIUM REDUCTION IN THE RETORTS WITH THE SURROUNDING THERMAL-FLOW FIELDS IN A COAL-FIRED FURNACE S. J. ZHANG, R. B. LI, J. J. WEI, L. J. GUO* ... lines y1 and y2 are vertical lines passing through the circle

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(PDF) Global Warming Impact of the Magnesium Produced in ...

The ore is calcined in continuous rotary or vertical ... are fed into the retorts of the reduction furnace. ... The generation process and behavior of magnesium reduction slag via Pidgeon process ...

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A New Kind of Crude Magnesium Extraction Process and Device

A New Kind of Crude Magnesium Extraction Process and Device Jian-xun Ren1,*, Xiao-gang Wang2 and Li-bin Niu3 College of Material Science and Engineering, Xi′an University of Science and Technology, Xi’an 710055, P.R.China Keywords: Mg reduction, Vertical Furnace, Inner Heating, Pidgeon Process Abstract.

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Mintek Thermal Magnesium Process

efficiency. The improvements include; capacity expansion, installation of vertical retorts, use of coke-oven gas or coal-water gas mixture, instead of direct combustion of coal, to provide energy for the reduction and refining furnaces, etc (4, 5). In spite of these improvements, it is seriously doubtful that the Pidgeon process can be

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Magnesium and Its Alloys - Routledge Handbooks

An industrial plant working through Pidgeon Process consists of dolomite calcination, reduction and magnesium foundry units. Reduction units contain retort furnaces where the retorts are inserted in . Number of retorts in a retort furnace can change from 11 to 64 and, heavy oil, coal gas, coal or natural gas can be used as fuel to heat up a ...

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A novel vertical magnesium reduction furnace by inner ...

Jan 01, 2015  Process of vertical reduction 2.1 Conception To overcome the shortcomings of the horizontal magnesium reduction process, a novel vertical and fast magnesium reduction process for large-scale production must be developed, in which the rate of heat and mass transfer can be substantially enhanced (Yu et al., 2002) during the reduction process.

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A Numerical Understanding of Vertical Magnesium Thermal ...

Abstract. A mathematical model has been developed to simulate the occurrence of heat transfer in vertical retorts. The simulations were run to determine the effect of varying parameters, such as the diameter and thickness of the compound, and slot angle, on the magnesium reduction time.

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TIANJIN FEDERAL CARBON TECHNOLOGY DEVELOPMENT CO.,

Magnesium Metal Reduction Retort Our retort centrifugal casting line produces Pidgeon Process magnesium or calcium metal reduction retorts and recycles the old used retorts. We produce both vertical and horizontal retort to reduce the magnesium or calcium metal by Pidgeon

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How is Magnesium Extracted? - SPOTLIGHTMETAL

Apr 27, 2021  Magnesium Extraction: Horizontal Pidgeon Process. In 1941, Dr Pidgeon of Dominion Magnesium in Canada developed the Pidgeon process. Chemical reactions for the thermal process are relatively simple, including dolomite decomposition and magnesium oxide reduction.

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CA2104983A1 - Apparatus and process for the metallothermic ...

ABSTRACT OF THE DISCLOSURE The disclosure herein describes an apparatus and process for the metallothermic reduction of the oxides of volatile metals, such as sodium and magnesium. The apparatus comprises an enclosure within which a reaction chamber is provided, the walls of the chamber being made of graphite. An heating system is disposed inside the enclosure between the chamber

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KR101063798B1 - Magnesium production apparatus and ...

The present invention relates to an apparatus and a method for producing magnesium metal using a dolomite mined in a mine as a raw material and a silicon metal as a reducing agent. The present invention relates to a pulverized dolomite and a ferrosilicon alloy fired at a high temperature, and then molded. The molded material is charged into the upper part of one or more multiple vertical heat ...

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Experimental and Numerical Modeling Studies on Production ...

Nov 09, 2013  The silicothermic reduction to magnesium is now intensively used in industry. In this article, an experimental and numerical modeling study on the reduction process in the single briquette and in an industrial retort was carried out. The experimental study was first conducted, and the experimental results indicated that both the thickness (from 17~19 to 3~4 mm) and heating

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Advantages of Magnesite Pidgeon Process_ZK Ball Mill ...

Dec 31, 2016  The Pidgeon process is a batch process in which finely powdered calcined dolomite and ferrosilicon are mixed, briquetted, and charged in retorts made of nickel-chrome-steel alloy. The hot reaction zone portion of the retort is either gas fired, coal fired, or electrically heated in a furnace, while the condensing section equipped with removable ...

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A New Kind of Crude Magnesium Extraction Process and Device

A New Kind of Crude Magnesium Extraction Process and Device Jian-xun Ren1,*, Xiao-gang Wang2 and Li-bin Niu3 College of Material Science and Engineering, Xi′an University of Science and Technology, Xi’an 710055, P.R.China Keywords: Mg reduction, Vertical Furnace, Inner Heating, Pidgeon Process Abstract.

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jaw Senior Design Supplier Pidgeon Process Magnesium ...

Aug 04, 2021  Price Range: $10,000 - $900,000Pidgeon Process Magnesium Metal Reduction Technology centrifugalcastmachine › Pidgeon-Process CachedCylinder Liner Centrifugal Casting Machine. Centrifugal Casting Mold. Magnesium Metal Reduction Retort Production Line. Pidgeon...

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Effect of Reductant Type on the Metallothermic Magnesium ...

On the other hand, the Pidgeon Process is highly endothermic (~ΔH 298 is about 209 kJ mole of Mg), and heat supply is a critical consideration in industrial retorts (reactors). Magnesium is in gaseous phase at the temperature which is reduced, and it is collected

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TIANJIN FEDERAL CARBON TECHNOLOGY DEVELOPMENT CO.,

Magnesium Metal Reduction Retort Our retort centrifugal casting line produces Pidgeon Process magnesium or calcium metal reduction retorts and recycles the old used retorts. We produce both vertical and horizontal retort to reduce the magnesium or calcium metal by Pidgeon

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Metals Free Full-Text Applicability of the ...

The current generation of magnesium using the Pidgeon process requires horizontal steel tubes known as retorts and the magnesium is reduced in batches, which results in lower production efficiency. The process also generates large amounts of carbon dioxide and particulate matter (PM2.5), which is problematic from an environmental perspective ...

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Status and potentials of magnesium production in China ...

ferrosilicon (FeSi) as reduction agent is the only Mg production process used in China at present. It is named Pidgeon process after his inventor, the Canadian chemist Lloyd M. Pidgeon. Figure 3 shows an overview of the process steps. Due to its abundant deposits, the raw material for Mg production in China is magnesium-calcium carbonate dolomite

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EXTRACTION OF MAGNESIUM, TITANIUM AND ALUMINIUM

cooling the magnesium vapour at a rate of 1,00,000°C/second. The group is confident of developing a carbothermic reduction process that can be an alternative to the Pidgeon or electrolytic process [17]. Magnesium through Electrolysis About 75% of world's magnesium was produced through the electrolytic route until about a decade ago [18].

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A novel vertical magnesium reduction furnace by inner ...

Jan 01, 2015  Process of vertical reduction 2.1 Conception To overcome the shortcomings of the horizontal magnesium reduction process, a novel vertical and fast magnesium reduction process for large-scale production must be developed, in which the rate of heat and mass transfer can be substantially enhanced (Yu et al., 2002) during the reduction process.

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Pidgeon_process - chemeurope

Pidgeon process. The Pidgeon process is one of the methods of magnesium metal production, via a silicothermic reduction. Practical production requires roughly 35-40 MWh/ton of metal produced, which is on par with the molten salt electrolytic methods of production, though above the 7 MWh/ton theoretical minimum. Additional recommended knowledge.

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About Magnesium - International Magnesium Association

The Pidgeon process, using ferrosilicon as the reductant and CaF 2 as catalyst, is most commonly used for production of magnesium due to the fact that its operation is relatively easy, versatile and has low capital cost. The traditional process using horizontal retorts is high in energy consumption and has low productivity; however more modern ...

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NUMERICAL SIMULATION OF MAGNESIUM PRODUCTION BY

NUMERICAL SIMULATION OF MAGNESIUM PRODUCTION BY THE PIDGEON PROCESS PART I: A NEW MODEL FOR MAGNESIUM REDUCTION PROCESS IN A HORIZONTAL RETORT ... retorts vacuumed by the pump, and then sealed by covers ... the magnesium reduction reaction heat to be a constant, and Yu et al. (2002) treated the reaction heat as a function ...

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NUMERICAL SIMULATION OF MAGNESIUM PRODUCTION BY THE PIDGEON

Nov 02, 2013  The Pidgeon process is a thermal reduction process, which produces magnesium from calcined dolomite under a vacuum pressure of ~10 Pa and at a temperature of 1150~1200℃ using ferrosilicon as a reducing agent. A small quantity of calcium fluoride is added as a catalyst.

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