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The Skywin Electric/Gas Tunnel Oven is a premium biscuit manufacturing equipment designed as the heart of any automatic biscuit production line. Whether you produce hard biscuits, soft cookies, soda crackers, Hello Panda biscuits, or extruded shortbread, this tunnel oven delivers consistent, energy‑efficient baking with excellent color and taste.
As a critical component of a complete biscuit production line, this oven is available in three heating configurations to match your product recipe and local energy supply:
Indirect oven – Air is heated first and then circulated to bake biscuits. Provides gentle, even heat – perfect for delicate products.
Direct oven – Fuel is directly converted into heat. Offers rapid temperature rise and high heat – ideal for hard biscuits and crackers.
Hybrid oven – Combines indirect and direct heating in one unit. Gives you the flexibility to switch between gentle and intense baking as needed.
With working widths from 400mm to 1500mm, oven length from 10 to 90 meters, and capacities from 100 kg to 2000 kg per hour, this oven can be precisely tailored to your production goals. It integrates seamlessly into any biscuit line, whether you are setting up a new commercial biscuit making machine operation or upgrading an existing biscuit factory machine line.
Capacity range: 100 kg – 2000 kg per hour (depends on product type and oven length)
Oven length: 10m – 90m (customized to your workshop and required output)
Working widths: 400mm, 600mm, 800mm, 1000mm, 1200mm, 1500mm – match your upstream forming machine width
German Weishaupt gas burners – world‑renowned for reliability, efficiency, and low emissions (for gas/diesel models)
Siemens PLC touch screen control – precise temperature zoning, belt speed adjustment, and automatic alarm for over‑temperature
Hot air circulation system – ensures even heat distribution across the entire belt, producing uniform biscuit color and superior taste
High‑density insulation: 250mm on both sides, 300mm on top, 250mm on bottom – minimizes heat loss, reduces fuel/electricity consumption
Energy‑saving mesh belt option – denser mesh improves heat transfer, saving up to 5% energy compared to standard belts
Inlet drive unit: Drum diameter 900mm – 1200mm with sensor tracking system for automatic belt tension and centering. Scraper cleans debris/oil from the drive roller.
Tunnel oven body: Full 304 stainless steel cover – hygienic and durable.
Viewing windows on each temperature zone – clearly observe biscuit baking progress.
Cleaning windows – easy access to clean the inside of the oven.
Automatic electric centering and tension adjustment – ensures stable running, no belt drift.
Temperature alarm – automatic warning when temperature exceeds set limits.
The outlet section includes a peeling machine that detaches baked biscuits from the oven belt onto the cooling conveyor.
Mesh belt – widely used for crisp/tough biscuits, soda crackers, and cutting cookies. Different mesh densities available; higher density = faster heat transfer + energy saving.
Steel belt – specially for extruded cookies or shortbread biscuits (semi‑liquid dough such as butter‑based recipes). Prevents deformation and dropping. (Customization required)
Hard biscuits (Marie, digestive, rich tea)
Soft cookies (chocolate chip, ginger, butter)
Soda crackers and cream crackers
Hello Panda biscuits (optimized)
Extruded shortbread
Any other baked snack requiring tunnel oven technology
| Parameter | Details |
|---|---|
| Heating types | Indirect, direct, or hybrid (indirect + direct) |
| Energy sources | Gas (natural gas / LPG), diesel, or electric |
| Working widths | 400 / 600 / 800 / 1000 / 1200 / 1500 mm |
| Capacity | 100 – 2000 kg per hour (depends on product & length) |
| Oven length | Custom: 10 – 90 meters |
| Belt types | Mesh belt (standard for most biscuits) or steel belt (for extruded/shortbread) |
| Control | Siemens PLC touch screen with auto alarm |
| Burner (gas model) | German Weishaupt |
| Insulation | Sides 250mm, top 300mm, bottom 250mm rock wool |
| Hot air circulation | Yes |
| Drive roller diameter | 900 – 1200 mm |
| Belt tracking | Automatic sensor tracking + electric centering & tension adjustment |
| Scraper | Yes (cleans drive roller) |
| Viewing windows | On each temperature zone |
| Cleaning windows | Yes |
| Inlet section | With tracking system and scraper |
| Outlet section | Includes peeling machine for belt-to-conveyor transfer |
| Material | 304 stainless steel cover |
| Power consumption (electric model) | Approx. 50 kW (varies with length) |
Note: All specifications can be customized according to your production requirements.
Dough mixing (horizontal mixer) → Forming (rotary moulder/cutter) → Inlet section – biscuits are placed onto the oven belt.
Baking – biscuits travel through multiple independent temperature zones with hot air circulation. The Siemens PLC maintains precise temperature and belt speed for perfect browning.
Outlet & peeling – baked biscuits are lifted off the belt by the peeling machine and transferred to the cooling conveyor.
Cooling – biscuits cool naturally or with forced air before moving to sandwiching or packing.
This seamless integration makes the Skywin tunnel oven an indispensable part of your complete biscuit production line.
This biscuit manufacturing equipment is perfect for:
Biscuit production line – hard biscuits, soft biscuits, soda crackers, cream crackers.
Cookie production line – all types of cookies, including chocolate chip and shortbread.
Pretzel biscuit production line – pretzel sticks and shapes.
Wafer biscuit production line – wafer sheets (with appropriate belt).
Biscuit making factories of all sizes – from small to industrial scale.
15+ years of experience as a leading biscuit machine manufacturer.
Complete solutions: We supply entire biscuit production lines, cookie production lines, pretzel biscuit production lines, wafer biscuit production lines, biscuit sandwich machines, tunnel ovens, and biscuit packing lines – all from one source.
Global reputation: Serving customers in over 100 countries with reliable commercial biscuit making machine and biscuit manufacturing equipment.
Energy saving focus: Hybrid and indirect designs, plus high‑density insulation, reduce operating costs.
1‑year warranty + whole‑life after‑sales service.
Alibaba assessed supplier – China leading snack food machinery supplier.
Flexible payment: 40% T/T deposit, 60% T/T balance before shipment; also Western Union or L/C.
Q: How do you ship the products?
A: Usually by sea, but we can also arrange air freight according to customer requirements.
Q: What is your minimum order quantity?
A: 1 set. We welcome orders of any size for this automatic biscuit production line oven.
Q: What information should I provide for a quotation?
A: Please tell us: your required capacity (kg/hr); the types of biscuits you will produce (hard, soft, Hello Panda, crackers, etc.); your preferred oven type (direct, indirect, hybrid, electric); your working width; your workshop length; belt preference (mesh or steel). Provide your production details, then we will recommend the best solution.
Q: Why choose Skywin?
A: We are China's leading snack food machinery supplier, an Alibaba assessed supplier, offering best quality, best service, and competitive price.
