As a leading custom Tunnel Furnace manufacturer, we offer high-efficiency high temperature Tunnel Furnaces designed for continuous industrial heat treatment processes. This equipment is widely used in the rapid sintering of ceramic substrates, chemical powders, and metal components, making it ideal for industries such as electronics, ceramics, and powder metallurgy.
Our industrial Tunnel Furnace is engineered for low energy consumption, short sintering cycles, and minimal labor intensity. The furnace supports a maximum operating temperature of 1200°C, with precise multi-zone temperature control and stable thermal uniformity.

Equipment Structure
Furnace Body & Frame
The tunnel-type heating furnace consists of the main furnace chamber, loading platform, unloading platform, conveyor system, heating elements, and a PLC-based control system.
It is suitable for continuous tunnel oven applications across various industrial sectors.
Chamber Materials
The furnace chamber is built with non-standard high alumina bricks, while the insulation structure uses a composite of lightweight firebricks, mullite insulation, and ceramic fiber layers, ensuring energy-efficient performance and long service life.
Transmission System
Equipped with rollers, chain drive units, gear reducers, and variable frequency motors, the conveyor tunnel furnace allows precise control of transport speed via an inverter system (VFD), with adjustable speed ranging from 0 to 300 mm/min.
Control System
Temperature Control: A combination of PLC, touch screen interface, and Delta temperature control modules enables accurate multi-zone regulation.
Heating Element: Uses imported OCr21A6Nb high-temperature alloy wires for stable and long-term operation.
Heating Tube Regulation: Each group of heating tubes is controlled by SCR power regulators.
Thermocouples: Embedded and insert-type thermocouples are used, with reserved measurement ports.
Technical Specifications
Parameter | Specification |
---|
Chamber Width | Customized per user requirements |
Conveyor Speed | 0–300 mm/min (Continuously adjustable) |
Max Working Temperature | Up to 1200°C |
Heating Zones | Configurable based on application |
Display Accuracy | ±0.1°C |
Temperature Fluctuation | ≤ ±5°C |
Thermal Uniformity | ≤ ±5°C (no load) |
Heating Rate | ≥ 5°C/min |
Shell Temperature | ≤ ambient +15°C (joint areas ≤ +40°C) |
Power Consumption | Depends on design (Insulation: 35–45% of total power) |
Applications
Our continuous tunnel furnace is widely used for:
Metal heat treatment (annealing, sintering)
Ceramic substrate firing
Chemical powder sintering
Electronics component drying
Coating curing processes
Why Choose Us as Your Tunnel Furnace Supplier?
Over 10 years of experience in industrial tunnel furnace manufacturing
Support for custom furnace dimensions and zone configurations
Energy-saving tunnel furnace design
High-quality stainless steel furnace structure and multi-zone PID control
Exported to clients in Europe, Southeast Asia, and North America
Frequently Asked Questions (FAQ)
1. What is a high temperature tunnel furnace used for?
A high temperature tunnel furnace is primarily used for continuous heat treatment processes such as sintering, annealing, drying, and curing. Common industries include ceramics, electronics, metallurgy, chemical powder processing, and coating applications.
2. What is the maximum operating temperature of your tunnel furnace?
Our tunnel furnaces can operate at temperatures up to 1200°C, with fast heating rates of ≥5°C per minute, and excellent temperature uniformity and fluctuation control within ±5°C.
3. Can the furnace be customized based on my specific needs?
Yes. As a custom tunnel furnace manufacturer, we can tailor the chamber size, number of heating zones, conveyor speed, temperature range, and control systems based on your specific application requirements.
4. What types of materials can be processed in this furnace?
The furnace is suitable for processing a wide range of materials, including:
5. How is the temperature controlled in the furnace?
Our furnaces use a PLC-based temperature control system integrated with touchscreen interface and Delta temperature control modules. Each heating zone can be regulated independently via SCR power controllers to ensure precise and stable operation.
6. Is it energy-efficient?
Yes. Our tunnel furnaces feature multi-layer insulation systems using ceramic fiber, lightweight bricks, and mullite insulation, which help reduce energy loss. Insulation power typically accounts for only 35–45% of total power consumption.
7. What is the conveyor speed range?
The conveyor speed is continuously adjustable from 0 to 300 mm/min, controlled via frequency inverters. This ensures flexible processing speeds for different product types.
8. Do you offer international shipping and installation support?
Yes, we export worldwide and offer remote technical guidance, installation manuals, and video support. For large-scale installations, on-site engineering service is available upon request.