Gas-Fired Tunnel Oven
The Gas-Fired Tunnel Oven Manufacturer!
Guangdong Puchuan Machinery Co., Ltd. founded in 2013, is located in Foshan's national-level CIMC High-tech Intelligent Manufacturing Center.As a professional R&D and manufacturing enterprise dedicated to the baking industry, it provides integrated technological services including whole-factory planning, product technical design, production, and sales.
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Width Range |
Up to 4m (157”) |
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Length |
2.2m (86.5”) increments up to 17.6m (57' 8”) per zone |
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Temperature range |
Up to 500°C (932°F) |
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Energy Source |
Electric, gas, hydrogen or oil |
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Oven configuration |
Radiant, forced convection or DGF |
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Conveyors |
Slat band, solid band, mesh or stone |

1. The drying tunnel oven is a large-scale equipment that offers a continuous drying process, and is easily attached to an existing production line. It not only saves labor, but features an outstanding production efficiency.
2. The heater at the top and bottom can be controlled separately. Variable speed drives and stepless speed regulation can be set based on the drying time of different products.
3. This oven features over-temperature protection and alarming, ensuring a top of the line safety performance.
4. The operation system uses an easy to control intelligent control, thus preventing more incorrect operation.
Type of Gas Fired Tunnel Oven
Direct Gas Fired Oven
Direct gas fired oven is commonly used for baking a wide range of food including hard biscuits, crisp biscuits, fermented biscuits, soda biscuits and bread. Gas burners create flames that radiate energy in the oven chamber and heat the contents inside. There are suction channels on both sides of the oven, which are used to extract humid air. It also has a blower that controls the speed of air flow to ensure the appropriate temperature required by the product.
Convection Tunnel Oven
Convection tunnel oven is suitable for baking biscuits, cakes, bread and pastry, providing a uniform baking process, low energy consumption and easy operation. The fuel can be oil or natural gas. The heated air is then piped to the top and bottom, and heat the oven with radiation. There is an air gate system for adjustment to ensure even heating.
Hybrid Tunnel Oven
Hybrid tunnel oven is suitable for baking soda biscuits and hard biscuit. By heating the oven chamber with fame, it produces hot air flow and direct or indirect convection, ensuring even baking and good humidity control. This type can be used in combination with convection tunnel oven to satisfy different demands.
Primary Uses in the Baking / Transport Workflow
Continuous Baking of Bread, Rolls, Pastries The tunnel oven enables dough pieces or shaped unbaked products to travel on conveyor belts through controlled heat zones. As items traverse the tunnel, they are gradually baked to the desired internal and surface temperature. This suits high-volume production lines where the baked goods must then be conveyed onward for cooling, packaging, or sorting.
Curing, Drying, or Thermal Treatment In some cases, baked goods may require drying, crust development, or application of surface coatings (glazes, sugar, egg wash). The tunnel oven offers a controlled temperature and residence time that ensures uniform treatment without overcooking.
Integration with Transport / Handling Lines Because a tunnel oven is continuous, it can seamlessly integrate with automated material handling: loading upstream (proofing, makeup, shaping), then onward to cooling conveyors, sorting systems, packaging, or dispatch. This reduces manual intervention and helps maintain throughput.
Consistent Quality & Energy Efficiency Tunnel ovens are designed with multiple heating zones, insulation, and precise airflow control. This ensures even heating across product width and length, reducing hot or cold spots, which is vital for consistent crust, crumb, color, and internal moisture content.
The tunnel oven is designed with modular sections for convenient transportation and installation.
Each oven is divided into 3-meter sections to facilitate loading and unloading.
The sections are carefully wrapped with protective plastic film to prevent dust, moisture, and scratches during transport.
Depending on the oven length and customer requirements, the equipment is transported using standard 20ft or 40ft box containers for safe international shipping.
Wooden supports and reinforced steel frames can be applied for extra protection during long-distance sea freight.

FAQ
We are one of the most professional gas-fired tunnel oven manufacturers and suppliers in China. With a professional production team, we are able to meet the needs of the majority of our customers. Please feel free to wholesale high quality gas-fired tunnel oven made in China here from our factory.
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