Anthracite Rotary Kiln Dryer

Anthracite Rotary Kiln Dryer

Anthracite Dryer Specification

Production capacity: 0.4-103 t/h

Supported fuels: coal gas, natural gas, coal and other fuels.

Applicable materials: various coal materials such as anthracite, bituminous coal, weakly caking coal, etc.

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Anthracite, mainly composed of carbon, hydrogen, oxygen, nitrogen, and other elements, has lower sulfur content, less ash, and higher calorific value compared to other types of coal. Its distinctive feature is its nearly smokeless combustion, hence the name “anthracite”. Anthracite finds widespread applications in both industrial and domestic sectors. Industrially, it is commonly used in producing city gas, manufacturing desiccants, and synthesizing ammonia. On the domestic front, anthracite serves as a fuel for home heating, cooking, and in the production of charcoal pencils, among other uses. Compared to other types of coal, anthracite generates fewer smoke particles during combustion, resulting in relatively lower environmental pollution.

Why We Need Anthracite Drying?

Anthracite coal
Anthracite coal

Reducing Moisture Content: Coal typically absorbs significant amounts of moisture during mining, transportation, and storage. High moisture content in anthracite not only affects combustion efficiency but also increases transportation costs. Drying anthracite coal using an anthracite rotary kiln dryer can effectively reduce its moisture content, thereby improving its combustion efficiency and energy utilization rate.

Improving Combustion Efficiency: High moisture content in anthracite coal during combustion can lead to unstable temperatures, slow combustion rates, and even incomplete combustion, affecting the stability and efficiency of industrial production. Drying anthracite coal using an anthracite rotary kiln dryer can improve its combustion efficiency, ensuring smooth industrial production.

Reducing Environmental Pollution: High moisture content in anthracite coal during combustion easily generates pollutants such as smoke and carbon dioxide, negatively impacting the environment. Drying anthracite coal using an anthracite rotary kiln dryer can reduce emissions of pollutants produced during combustion, thereby protecting the environment.

Enhancing Product Quality: Industrial production places high demands on the quality of anthracite coal, especially in processes requiring high-temperature combustion, such as producing city gas. An anthracite dryer can help remove impurities and moisture from anthracite coal, enhancing the purity and quality of the product.

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Anthracite Rotary Kiln Dryer for Sale

An anthracite rotary kiln dryer is a specialized equipment designed for drying anthracite coal. Typically adopting a drum-type design, an anthracite rotary kiln dryer consists of components such as the drying drum, hot air system, exhaust system, and others. The inner wall of the drying drum is usually covered with special plates to increase the heat transfer area and thermal conductivity efficiency. Additionally, the dryer is equipped with safety features such as fall prevention devices and cleaning systems to ensure stability and safety during the drying process.

Anthracite coal dryers are widely used in industries such as coal processing, chemical, metallurgy, and building materials. They are not only suitable for drying anthracite coal but also for drying other granular materials such as ores, slag, and powders, showing good versatility and adaptability. With the continuous development of industrial production and the increasing awareness of environmental protection, the demand for anthracite rotary kiln dryers in the market is expected to gradually increase. As a crucial coal processing equipment, anthracite coal dryers will play an increasingly important role in industrial production, offering broad market prospects and development opportunities.

ModelVolume of the drum(m³)Capacity(t/h)Installation slope(%)Maximum intake temperature (℃)Main motor power(kw)Weight(t)
Φ0.6×82.20.4-0.63-5700-85033.2
Φ0.8×1051.3-1.83-5700-85044.4
Φ1.0×107.82.0-3.03-5700-8505.55.3
Φ1.2×1011.33.0-4.03-5700-8507.58.1
Φ1.2×1.213.53.5-5.03-5700-850119.1
Φ1.5×1221.25.5-7.53-5700-8501514.6
Φ1.5×1526.57.0-103-5700-8501516.5
Φ1.8×1230.58.0-113-5700-85018.521.9
Φ1.8×1845.812-163-5700-85018.526.6
Φ2.0×2062.816-233-5700-8502236.5
Φ2.2×2283.622-303-5700-8503043.9
Φ2.4×2299.526-353-5700-8504553.1 
Φ2.5×25122.732-453-5700-8504562.6
Φ2.6×24127.433-463-5700-8504563.0
Φ2.8×28172.444-623-5700-8504585.0
Φ3.0×25176.645-643-5700-8507589.0
Φ3.2×2520150-723-5700-8509095.0
Φ3.4×2825465-923-5700-850110122.0
Φ3.6×2828573-1033-5700-850160129.0

Design Highlights of the Anthracite Rotary Kiln Dryer

Optimal Speed Adjustment
Innovative Feeding Mechanism

Optimal Speed Adjustment

The anthracite dryer’s operating speed is adjusted according to the varied physical and chemical properties of the drying materials, ensuring adequate drying time and quality. Typically, it is equipped with a variable frequency motor for better speed control.

Innovative Feeding Mechanism

The adoption of a novel feeding and discharging mechanism design eliminates issues such as blockages, discontinuity, uneven feeding, and material return that commonly occur in drum dryers.

Enhanced Parameter Control
Self centering Trunnion Device

Enhanced Parameter Control

Equipped with an intelligent PLC electrical control system, the equipment offers more precise parameter control, adapting effectively to changes in material characteristics.

Self-centering Trunnion Device

The introduction of a new “self-centering trunnion device” ensures linear contact between the trunnion and roller, significantly reducing wear and power consumption, and thus extending the equipment’s lifespan.

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