Industry Drying Equipment: Coconut Shell and Palm Waste Rotary Dryer

Coconut shell and palm waste are two common types of biomass waste that can be used as fuel for various industries, including the production of activated carbon, charcoal, and energy.

Coconut shell is the outermost layer of the coconut fruit, which is mainly grown in tropical countries such as Indonesia, the Philippines, India, and Sri Lanka. These countries account for a significant percentage of the world’s coconut production. According to recent statistics, Indonesia is the world’s largest coconut producer, followed by the Philippines, India, and Sri Lanka.

Palm waste, on the other hand, is generated from the palm oil industry, which is mainly concentrated in Southeast Asian countries such as Indonesia and Malaysia. These two countries together account for over 80% of the world’s palm oil production. Palm waste includes empty fruit bunches, palm kernel shells, and palm oil mill effluent, all of which can be converted into valuable products such as biomass fuel and organic fertilizer.

Advantage of Coconut Shell and Palm Waste Rotary Dryer

  • Drum drying has a high degree of mechanization, which allows for a larger production capacity and continuous operation.
  • It has an excellent structure, with simple material passing through the cylinder body resistance, resulting in stable running and convenient operation.
  • It has less failure, low maintenance cost, and low power consumption.
  • It is applicable to a wide range of products and ensures good uniformity during the drying process.

Work Principle Of Rotary Dryer

The material feeder uniformly distributes the materials onto the stainless steel mesh-belt, which usually adopts 12-60 mesh. The transmission device draws the mesh-belt and moves it inside the dryer, which is divided into several sections. Each section has its separate hot air circulation system. A moisture exhaust blower exhausts part of the waste gas, and the rest is controlled by an adjustment valve. The hot air passes through the mesh-belt, taking away the moisture from the material. The mesh-belt moves slowly, and its speed can be adjusted based on the material’s properties. The dried final products fall continuously into the material collector. Users can freely equip the top and low circulation units, and the number of sections can be selected based on production demands.

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