Secador de castanha de caju

O secador de castanha de caju adota um ventilador de circulação resistente a altas temperaturas, o ar quente aquecido por eletricidade ou vapor circula nele.

secador de castanha de caju

The cashew nut dryer is a key machine in a cashew nut processing line, specially designed for drying cashew kernels after steaming and shelling. It removes moisture evenly under a controlled temperature system, ensuring stable kernel quality and preparing the nuts for peeling, grading, and packaging.

In modern cashew processing, the drying stage plays a critical role in determining final product quality, kernel integrity, and market value.

Máquina de secar caju
máquina de secar caju

Complete Cashew Nut Processing Flow

A standard cashew nut processing plant includes the following steps:

  1. Máquina de classificação de caju cru: Sorts raw cashew nuts by size to ensure uniform feeding for better processing efficiency.
  2. Steaming Box: Steams or cooks raw cashews to soften the shell, making shelling easier and reducing kernel damage.
  3. Cashew Shelling Machine: Breaks the hard shell and separates it from the cashew kernel.
  4. Shell-Kernel Separator: Separates cashew kernels from shells after shelling, improving purity and reducing manual work.
  5. Cashew Nut Dryer: Dries steamed and shelled cashew kernels to reduce moisture and prepare them for peeling and storage.
  6. Máquina de descascar caju: Removes the thin outer skin of the dried cashew kernels to improve appearance and quality grade.
  7. Cashew Kernel Grading Machine: Sorts peeled cashew kernels based on size and quality for different market standards.
  8. Máquina de embalagem a vácuo: Packs finished cashew kernels in vacuum-sealed bags to extend shelf life and prevent moisture absorption.

The cashew nut dryer is located after shelling and before peeling, serving as a crucial stabilization stage for the kernels.

Working Principle of Cashew Drying Machine

The machine adopts an electric heating system with forced hot air circulation. Cashews are evenly distributed across multiple trays for batch drying.

  1. The heating system generates hot air at a preset temperature
  2. Circulation fans distribute hot air evenly to each tray layer
  3. Cashew kernels are dehydrated under a stable temperature environment
  4. Moist air is continuously exhausted to maintain drying efficiency

This design ensures uniform drying and prevents overheating or uneven moisture removal.

Technical Specifications of The Cashew Nut Dryer

  • Machine Type: 60-tray hot air circulation dryer
  • Capacity: Approx. 400 kg per batch
  • Loading Method: 1.5–2 kg per tray
  • Number of Trays: 60 pcs
  • Tray Size: 600 × 400 mm
  • Overall Dimension: 2200 × 1800 × 2300 mm
  • Trolley Size: 650 × 450 × 1700 mm
  • Heating Method: Electric heating
  • Heating Power: 22 kW
  • Circulation Fan Power: 4 × 0.55 kW
  • Voltage: 380V / 50Hz / 3-phase
  • Machine Weight: Approx. 900 kg
  • Material: Carbon steel frame + PVC trays (recommended for food use)
Cashew nut dryer machine
cashew nut dryer machine

Key Advantages of The Cashew Nut Dryer Machine

  • Precise Temperature Control: Automatic temperature control ensures stable drying conditions for different moisture levels of cashew kernels.
  • Uniform Hot Air Circulation: Multiple fans ensure even heat distribution across all tray layers.
  • High Batch Efficiency: One batch can process around 400 kg, suitable for medium-scale production lines.
  • Energy-Saving Design: Optimized airflow system reduces heat loss and improves energy efficiency.
  • Food-Grade Drying System: PVC trays ensure hygiene and meet food processing standards.

Importance of Drying in Cashew Processing

After steaming and shelling, cashew kernels contain high moisture content. Without proper drying, the following issues may occur:

  • Soft kernels and high breakage rate
  • Difficulty in peeling process
  • Risk of mold during storage
  • Lower product grading and market value

Using a cashew nut dryer helps significantly improve:

  • Kernel integrity
  • Peeling efficiency
  • Final product grade
  • Storage stability
Dried cashews
Dried cashews

Application Range

This cashew dryer machine is widely used in:

  • Cashew processing factories
  • Nut food processing plants
  • Export-oriented cashew production lines
  • Food processing industries

Why Choose a Professional Cashew Dryer?

Compared with natural drying or simple drying methods, the industrial cashew dryer offers clear advantages:

  • Not affected by weather conditions
  • Faster and more stable drying process
  • Consistent product quality for export standards
  • Easy integration into a complete cashew nut processing plant

Get a Complete Cashew Processing Solution

We provide customized cashew nut processing line solutions, covering everything from raw material handling to final packaging.

Contact us for:

  • Detailed quotation
  • Customized production line design
  • Factory layout planning
  • Technical support and configuration

Contact us to get a tailored solution for your cashew processing plant.