Tunnel Oven – Product Description
Tunnel Oven – Product Description - Image 2
Tunnel Oven – Product Description - Image 3

Tunnel Oven – Product Description

The tunnel oven (also known as a continuous conveyor dryer) is a high‑efficiency drying system featuring multiple temperature zones and an adjustable conveyor mechanism. It provides uniform, controlled drying or curing for parts, panels, coatings, food products, electronic components, and more. With precise temperature control, even heat circulation, and flexible process configurations, it is widely used in coating, printing, pharmaceutical, food, electronics, and textile production lines.

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Key Features

  • Multi‑Zone Temperature Control
    Independently controlled in 4–8 zones, each programmable to specific temperatures to achieve precise drying or curing.

  • Forced Hot‑Air Circulation
    Equipped with a powerful convection system and return‑air distribution design to ensure uniform temperature across the oven chamber, eliminating cold spots.

  • Energy Saving & Environmentally Friendly
    Standard high‑efficiency insulation materials and double‑seal doors minimize heat loss; optional heat recovery systems further reduce energy consumption.

  • Flexible Conveyor System
    Choice of chain‑plate, mesh belt, or roller conveyors with stepless speed adjustment to match varying production rates; modular design simplifies maintenance and line expansion.

  • Intelligent Control
    PLC with integrated touchscreen interface supports temperature profiling, remote monitoring, and automatic fault diagnostics to boost efficiency and automation.

  • Safety & Reliability
    Features ground‑fault protection, over‑temperature alarms, and emergency stop buttons for multiple layers of operational safety.

Technical Specifications

Parameter Range / Options
Number of Zones 4 / 6 / 8 (customizable)
Temperature Range Ambient to 300 °C (up to 400 °C optional)
Conveyor Speed 0.5–10 m/min (stepless adjustment)
Conveyor Width 300–2000 mm (customizable)
Heating Method Electric / Steam / Hot‑Air
Total Power 20 kW–200 kW (depending on length & zones)
Oven Length 3 m–30 m (modular assembly)
Insulation High‑temperature rock wool + steel outer panels
Control System PLC with 7″ TFT touchscreen
Safety Protections Over‑temperature shutdown, ground‑fault protection, emergency stop

Typical Applications

  • Coated parts (automotive components, appliance panels, furniture trims)

  • Ink drying for printing (labels, packaging materials, veneers)

  • Food dehydration (fruits, seafood, baked goods)

  • Electronics baking (PCBs, surface‑mount components)

  • Textile finishing (non‑woven fabrics, functional fibers)

Installation & Maintenance

  1. Installation

    • Assemble modular oven sections per site layout and secure mounting bolts;

    • Connect power or steam lines and configure the conveyor drive;

    • Before first use, inspect all fans, heaters, and temperature sensors.

  2. Commissioning

    • Use the touchscreen to program temperature profiles and conveyor speed;

    • Run empty to verify even temperature distribution and airflow before introducing products.

  3. Maintenance

    • Regularly clean air ducts and filters; check chain/mesh belt tension;

    • Inspect insulation panels and door seals, replacing any worn components;

    • Calibrate and service heating elements and control instruments according to the maintenance manual.

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