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Calcination Equipment

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  • Magnesium Metal Rotary Kiln
Calcination Equipment

Magnesium Metal Rotary Kiln

Our magnesium metal rotary kiln is available in eleven models based on cylinder dimensions, ranging from Ø2.5×40m to Ø5.1×72m. Equipped with matching vertical preheaters (YRQ04-YRQ20) and vertical coolers (LSF36-LSF112), it can meet production needs of various scales, ranging from 150 to 1200 tons/day.

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    Dolomite Calcination in Magnesium Metal Production Lines

    Product Introduction

    The magnesium metal rotary kiln is a specialized rotary kiln developed specifically for the calcination characteristics of dolomite and the process requirements of the Pidgeon process for magnesium smelting. It is a key piece of equipment in dolomite calcination systems. The calcined white produced by the rotary kiln features stable and uniform quality, high activity, and low loss on ignition, fully meeting the process requirements of the Pidgeon process. This ensures high magnesium extraction and silicon utilization rates, reducing magnesium production costs. It is an ideal device for dolomite calcination in the magnesium industry.

    Key Advantages
    ● The rotary kiln consists of a cylinder, support system, transmission system, and seals for the kiln tail and kiln head.
    ● The reduced aspect ratio and shorter length not only reduce heat loss from the kiln surface to the surrounding area but also reduce the equipment's footprint.
    ● The cooler and kiln head hood adopt an integrated vertical design, resulting in a compact footprint and excellent sealing, preventing the unorganized emission of hot exhaust gases.
    ● A vertical preheater installed at the kiln tail transfers excess flue gas heat directly to the dolomite, effectively recovering the heat removed by the exhaust gas.

    Operating Principle
    Dolomite is fed into the kiln through a chute at the kiln tail (high end). Due to the inclination and slow rotation of the cylinder, the dolomite rolls circumferentially and moves axially from the kiln tail (high end) to the kiln head (low end). Fuel is injected into the kiln from the kiln head through a burner for combustion. Heat is transferred to the dolomite through various methods, including radiation, convection, and conduction. Within the kiln, the dolomite undergoes preheating, decomposition, and sintering, calcining into calcined dolomite before being discharged from the kiln head.

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About Us
Nantong Alisen Environmental Protection Technology Co., Ltd.
Nantong Alisen Environmental Protection Technology Co., Ltd.
Nantong Alisen Environmental Protection Technology Co., Ltd. is a China Magnesium Metal Rotary Kiln Manufacturers for Fertilizer/Powder Production Equipment and Custom Magnesium Metal Rotary Kiln Factory. Founded in 2007, Nantong Alisen Environmental Protection Technology Co., Ltd. is located in Qutang Town Industrial Park, Haian City, Jiangsu Province. It has two wholly-owned subsidiaries, namely Nantong alisen Import and Export Co., Ltd. and Nantong Ailisen Environmental Protection Technology Co., Ltd. As a technology-oriented company focusing on fertilizer machinery and building materials machinery, we have been committed to the design and manufacturing of various types of fertilizer machinery and building materials machinery for many years. The company boasts strong design and development capabilities, with its products covering a wide range and featuring high technological content. Many of its products lead the industry both domestically and internationally. Its main products include Magnesium Metal Rotary Kiln, rotary kilns, drum granulators, dryers, coolers, coating machines, crushers, conveyors, dust collectors and other equipment, which are widely used in major chemical fertilizer manufacturers. These products are applied in complete production lines for compound fertilizers, organic fertilizers, bulk blending fertilizers (BB fertilizers), potassium sulfate, etc. With experienced technicians and mature process design concepts, the company can provide users with a full set of services, including process design for compound (mixed) fertilizer complete sets, equipment production, formula customization, equipment installation and on-site training. While supplying users with a full set of equipment, the company also provides technical upgrading and transformation services in terms of new production capacity and environmental protection for old fertilizer production enterprises. Adhering to the business philosophy of "Customer First, Quality-Oriented, Reputation as Solid as a Tripod, and Service Supreme", the company strives to meet the personalized needs of customers and provide high-quality services. It takes customer satisfaction as the criterion for measuring the enterprise, thus winning the trust and support of a large number of customers. At the same time, we warmly welcome experts and colleagues at home and abroad to visit for guidance, discuss cooperation and create a better future together.
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