Magnesium Rotary Kiln For Sale

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Magnesium Rotary Kiln Introduction

A magnesium rotary kiln is a key device for calcining magnesite (MgCO) or magnesium hydroxide (Mg(OH)₂) at high temperatures to eventually produce active magnesium oxide (MgO) or sintered magnesia. Its main body is a inclined rotating steel cylinder, lined with refractory materials, using high-quality sedated steel coil. The material is dehydrated, decomposed and sintered in the kiln. Due to the particularity of calcination, the kiln usually uses a reduced diameter barrel.
Magnesium rotary kiln has the characteristics of high thermal efficiency, large production capacity and high degree of automation, which is widely used in the fields of refractory materials, building materials, metallurgy and chemical industry. It is the core calcining device in the production of magnesia refractory products (such as magnesia brick, magnesia carbon brick) and magnesium chemical products.

Magnesium Rotary Kiln Working Principle

The working principle of the magnesium rotary kiln is to decompose or sinter magnesium raw materials such as magnesite or magnesium hydroxide by calcination at high temperatures. The material enters the inclined rotating cylinder from the kiln tail, and the rotation of the kiln helps the mixing of the materials in the rotary kiln, so that the materials are fully mixed and react with each other. At the same time, the kiln burner provides a high-temperature heat source, and the heat is transferred to the material through flame radiation, hot air convection, and conduction of kiln bricks. The hot air flow is in reverse contact with the material, so that it is gradually dehydrated, decomposed (MgCO₃→MgO CO₂↑) or sintered into dense magnesium oxide. Eventually, the material enters the cooler from the kiln hood.

The working process of magnesium oxide rotary kiln can be divided into nine steps: ore sorting, feeding, sintering, manual screening, inspection, mixed production, crushing products, inspection and storage.

The raw materials of the magnesium oxide rotary kiln are calcined, cooled, ground and formed. Mix with ferrosilicon powder and fluorite powder. In the reduction furnace, a large amount of magnesium is produced by reducing at high pressure. After a series of processes such as flux refining, ingots and surface treatment, the finished magnesium ingot is produced.

Magnesium Rotary Kiln Advantages

The magnesium metal rotary kiln can be divided into transition zone, combustion zone and cooling zone. With the characteristics of high efficiency and energy saving, its burner can make full use of the heat energy of the fuel, improve the quality of the material, and enhance the wear resistance of the material.
The applicable materials are relatively wide, and can adapt to the sintering requirements of materials such as lime, gypsum, cement and other materials.
Magnesium metal rotary kiln has the characteristics of high thermal recycling rate, high thermal efficiency and low power consumption, which can greatly improve production efficiency.
The internal trapezoidal plate and angle of the rotary kiln can make the material evenly heated in the kiln, so as to improve the product quality.

Magnesium Rotary Kiln Technical Parameters

Product Standard (m)	Kiln Body Size					Electric Power(kw)	Total Weight(t)	Remarks
	Diameter(m)	Length(m)	Inclination(%)	Yield(t/d)	Roast Speed(r/min)
Φ2.5×40	2.5	40	3.5	180	0.44-2.44	55	149.61
Φ2.5×50	2.5	50	3	200	0.62-1.86	55	187.37
Φ2.5×54	2.5	54	3.5	280	0.48-1.45	55	196.29	Outside Decomposition Kiln
Φ2.7×42	2.7	42	3.5	320	0.10-1.52	55	198.5
Φ2.8×44	2.8	44	3.5	450	0.437-2.18	55	201.58	Outside Decomposition Kiln
Φ3.0×45	3	45	3.5	500	0.5-2.47	75	201.94

Magnesium Rotary Kiln Application Areas

Magnesium rotary kilns are mainly used in refractory materials, metallurgy, chemical industry and environmental protection and other fields.

It calcines magnesite to produce sintered magnesia or high-purity magnesium oxide, which is used as a key raw material in the refractory industry such as magnesia bricks and magnesia carbon bricks;

In the metallurgical industry, calcined magnesium oxide is used for steelmaking furnace lining, molten iron desulfurization and non-ferrous metal smelting;

In the field of chemical industry, lightly burned magnesium oxide can be prepared for rubber, plastics, medicine and other additives;

In addition, it is also used to treat magnesium-containing waste or mineral tailings to achieve resource recovery and environmental protection. Its high temperature stability and continuous production characteristics make it the core equipment for magnesium-based material processing.