The energy-saving heating tube for hopper dryers is specially designed to provide efficient, stable, and uniform heating for plastic resin drying applications. It features an optimized heating structure that delivers rapid temperature rise with low energy consumption, ensuring consistent drying performance while reducing overall power usage.
Inside the heating tube, electric current passes through a high-resistance Ni-Cr wire, generating heat that is efficiently conducted through high-purity magnesium oxide insulation powder to the metal sheath. This heat is then transferred evenly to the surrounding air and materials inside the hopper, preventing moisture absorption and ensuring high-quality resin processing.
The tube is constructed from high-grade stainless steel, copper, or Incoloy for superior corrosion resistance and long service life under continuous operation. With precise temperature control and excellent thermal efficiency, this heating element offers reliable performance, energy savings, and extended durability—ideal for plastic hopper dryers, dehumidifying dryers, and other industrial drying systems.
| Item | Specification |
| Material | Stainless Steel / Copper / Incoloy (Customizable) |
| Tube Diameter | Φ6–16mm |
| Length | 100–2000mm (Customizable) |
| Heating Wire | Ni-Cr resistance wire |
| Insulation | High-purity magnesium oxide powder |
| Lead Wire | Standard 200mm (Customizable) |
| Operating Temperature | Up to 600°C |
| Input Voltage & Power | Customizable according to customer requirements |
| Installation Method | Direct insertion, flange-mounted, or custom designed |
| Surface Treatment | Polished or oxidized finish (optional) |
| Service Life | ≥10,000 hours under rated conditions |
● Energy Efficiency: Optimized design reduces power consumption while maintaining rapid and stable heating.
● Uniform Heating: Provides consistent temperature distribution inside the hopper to ensure even material drying.
● Durable Construction: Stainless steel, copper, or Incoloy sheath for excellent high-temperature and corrosion resistance.
● Long Service Life: Engineered for ≥10,000 hours of continuous use under rated conditions.
● Customizable Design: Voltage, power, length, and diameter can be tailored to meet different hopper dryer specifications.
● Fast Temperature Response: Ensures quick heat-up and recovery for improved drying efficiency.
● Safe and Reliable: Stable operation with high mechanical strength and insulation performance.
● Plastic resin hopper dryers and dehumidifying dryers
● Injection molding and extrusion drying systems
● Plastic pellet and granule drying equipment
● Industrial drying and heating systems
● Laboratory and material testing dryers
● Applications requiring precise and energy-efficient heating control
