Large Hot Air Circulation Tunnel Oven Drying Line
Category：Tunnel Oven Production Line
Introduction
The Large Hot Air Circulation Tunnel Oven Drying Line is an industrial-grade continuous drying system designed for large-scale production. It adopts a tunnel structure combined with a high-precision conveying system, allowing materials to be heated evenly while moving through the drying chamber.By utilizing high-efficiency fans for forced hot air circulation, the equipment enables rapid evaporation of moisture or solvents. It is widely used as a core thermal processing unit in large-scale industrial production lines.
Applications
Electronics and Electrical Industries
PCB board drying and transformer curing.
Chip baking and drying after dispensing processes.
Hardware and Plastic Products
Surface coating drying.
Screen printing ink drying.
Moisture removal and dehydration treatment.
New Energy Lithium Battery Industry
Electrode sheet drying.
Battery material moisture removal.
Food Processing Industry
Dehydration of vegetables.
Baking food products.
Drying of medicinal herbs.
Automotive Components
Brake pad curing.
Drying of various surface coatings.
Technical Parameters
| Parameter | Specification |
|---|---|
| Conveyor Belt Width | 600mm – 2000mm (Customized according to requirements) |
| Total Tunnel Length | 6m – 40m (Modular sectional design) |
| Working Temperature | Room temperature – 300℃ (Independent multi-zone temperature control) |
| Temperature Control Accuracy | ±1℃ |
| Temperature Uniformity Inside Chamber | ±3℃ |
| Conveyor Speed | 0.1 – 10m/min (Variable frequency speed control) |
| Heating Power | 30kW – 300kW (Depending on equipment specifications) |
| Heating Source Options | Electric heating / Natural gas / Steam / Infrared heating |
Features
High Efficiency and Energy Saving
The hot air is internally circulated and reused, significantly reducing heat loss and improving thermal efficiency.
Precise Temperature Control
The system adopts microcomputer PID control technology combined with SSR solid-state relay control, ensuring stable and accurate temperature regulation.
Uniform Heating Performance
A specially designed air circulation system provides multi-point convection airflow, ensuring uniform heat distribution throughout the drying chamber.
High Intelligent Automation
Equipped with a PLC touchscreen control system, supporting data export and MES system integration for intelligent production management.
Comprehensive Safety Protection
Features over-temperature alarm, exhaust explosion-proof protection, and conveyor anti-jamming protection to ensure safe operation.
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