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Calcination Equipment

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  • Lime Rotary Kiln
Calcination Equipment

Lime Rotary Kiln

Our company's lime rotary kilns are available in eleven sizes, ranging from Ø2.5 x 40m to Ø5.1 x 72m. Equipped with matching vertical preheaters (YRQ04-YRQ20) and vertical coolers (LSF36-LSF112), they can meet production needs ranging from 150 to 1200 tons/day. They deliver stable and uniform lime product quality, economical unit energy and electricity consumption, and low dust emissions, meeting environmental standards. They can also be used as raw materials, including pulverized coal, coke oven gas, semi-coke furnace gas, converter gas, blast furnace gas, calcium carbide furnace gas, natural gas, diesel, heavy oil, liquefied petroleum gas, and biomass.

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  • Applications

    Suitable for calcining limestone in the metallurgical, chemical, and building materials industries.

    Product Introduction

    Our lime rotary kiln is a new type of rotary kiln specifically designed for active lime, developed based on the calcination characteristics of limestone and drawing inspiration from similar rotary kilns both domestically and internationally. This type of rotary kiln (optionally equipped with a vertical preheater and vertical cooler to form an energy-saving rotary kiln calcining system) features high raw material utilization, complete calcination, uniform and high-quality products, high production capacity, high operating rate, energy saving and environmental protection, easy operation, and long machine life.

    Key Advantages
    ● The rotary kiln offers stable output and is suitable for large, medium, and small-scale active lime production lines.
    ● The kiln structure is simple, ensuring uniform heating and stable product quality with low rates of underburning and overburning.
    ● High raw material utilization, uniform quality, high quality, and high production capacity.
    ● A vertical cooler at the kiln head not only quenches the high-temperature lime but also increases product activity.

    Operating Principle
    Limestone of acceptable particle size flows from the preheater's top hopper through a discharge chute into the preheater body. Inside the preheater, it combines with the high-temperature flue gas from the rotary kiln exhaust to preheat the limestone to over 800°C, partially decomposing it. A hydraulic push rod then pushes the limestone into the transfer chute for high-temperature calcination in the rotary kiln. The high-temperature flue gas from the rotary kiln exhaust is cooled to below 250°C before entering the flue gas treatment system. The lime calcined at high temperature in the rotary kiln falls into the vertical cooler. The high-temperature lime is cooled by the cold air blown in by the cooling fan. The lime is cooled to below the ambient temperature + 60℃ and discharged from the vertical cooler. The secondary air for cooling the lime is heated to high-temperature combustion air and enters the rotary kiln to participate in combustion.

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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 Lime Rotary Kiln Suppliers and Custom Lime 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 Tengpeng 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 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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