Electric Tunnel Oven

An electric tunnel oven is the cleanest and most precisely controllable baking solution for industrial biscuit production.

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Reference illustration of Electric Tunnel Oven

Product Overview

Wanttone’s electric tunnel oven uses high-efficiency electric heating elements combined with multi-layer hot air circulation to deliver uniform heat across the full width of the baking chamber — with zero combustion gases, zero on-site emissions, and temperature accuracy within ±1°C per zone. Designed for continuous operation in medium to large biscuit, cookie, and cracker factories, this biscuit baking oven is available in standard 620 mm and 800 mm band widths, with oven lengths from 12 m to 60 m and up to four independently controlled temperature zones. For plants with a stable power supply, emission regulations, or clean-room production requirements, an electric tunnel oven is the lowest-risk, easiest-to-maintain choice on the market.

Electric tunnel oven equipment for continuous biscuit baking
Electric oven equipment

Capabilities & Applications

Key Features

  • Four-Zone Baking Process for Perfect Biscuit Structure

    The oven is divided into Shaping, Rising, Dehydrating, and Coloring zones, each with independent temperature settings. This staged heat profile gives dough pieces room to set and expand before moisture removal and final browning — the foundation of consistent texture and color.

  • Clean, Stable Heat Source

    Electric heating produces no combustion by-products inside the baking chamber, making this tunnel oven ideal for modern eco-friendly food factories and regions with strict emission standards.

  • Advanced Insulation That Cuts Power Bills

    Inner walls use 2.5 mm aluminized plates; the bottom is insulated with 200 mm premium rock wool, while side walls and the top carry 300 mm of rock wool. Heat loss is minimized, so more of every kilowatt goes into your product.

  • Multi-Layer Hot Air Circulation

    Forced convection distributes heat evenly across the belt, eliminating hot spots and delivering uniform baking even at full loading.

  • PLC Touch Screen Control with Automatic Fault Alarms

    Operators set and store zone temperatures, belt speed, and recipes on an intuitive HMI; the system alarms automatically on over-temperature, element failure, or airflow faults.

  • Short Heat-Up and Recovery Time

    Electric elements respond rapidly, shortening preheating and recovering the set temperature quickly after loading changes — reducing scrap during production transitions.

  • Low Maintenance, Long Service Life

    With no burners, gas trains, or flue systems to service, routine maintenance is limited to elements, fans, and the belt — cutting downtime and spare-parts costs.

Applications

  • The Wanttone electric tunnel oven is engineered for soda biscuits, crackers, hard and soft biscuits, butter cookies, alkaline biscuits, and pretzel-type products. It is especially well suited to unfermented biscuits, soft doughs, cookies, and high-fat recipes where short baking time, full moisture control, and gentle, uniform convection heat protect flavor and color. Typical users are medium and large biscuit factories with a reliable three-phase power supply, export-oriented plants serving markets with clean-production requirements, and any facility where combustion equipment is restricted or undesirable.

A Defined Role in the Line

  1. Upstream Requirements

    Confirm the incoming material or product condition, target throughput, infeed height and available utilities.

  2. Core Machine Function

    The oven is divided into Shaping, Rising, Dehydrating, and Coloring zones, each with independent temperature settings. This staged heat profile gives dough pieces room to set and expand before moisture removal and final browning — the foundation of consistent texture and color.

  3. Downstream Integration

    Match discharge height, line speed, control signals, guarding and cleaning access with the next operation.

Specifications & Configuration

Technical Parameters for Electric Tunnel Oven
ModelOven LengthTemperature ZonesHeating PowerPower Supply CapacityVoltage
62012–18 m1150–200 kW200 KVA380 V
62020–28 m2200–300 kW315 KVA380 V
62030–38 m2–3300–350 kW400 KVA380 V
62040–52 m3–4350–600 kW630 KVA380 V
62055–60 m4600–700 kW800 KVA380 V
80012–18 m1200–300 kW315 KVA380 V
80020–28 m2300–400 kW400 KVA380 V
80030–38 m2–3350–500 kW630 KVA380 V
80040–52 m3–4500–700 kW800 KVA380 V
80055–60 m4700–800 kW1000 KVA380 V
Heating Options Comparison for Electric Tunnel Oven
FactorElectric Tunnel Oven Best When…
Energy costIndustrial electricity is affordable or subsidized; gas infrastructure is absent
EmissionsLocal regulations restrict combustion; clean-label / eco-factory positioning matters
Product typeSoft biscuits, cookies, high-fat doughs needing gentle, precise convection heat
CapacitySmall-to-medium capacities, or where precise low-load control is critical
InfrastructureSufficient transformer capacity (KVA) and stable grid; limited floor space for gas trains

Standard configurations (custom lengths, widths, and zone layouts available on request):

Final power ratings are configured to your product mix, capacity target, and local voltage/frequency (50/60 Hz). Contact us for a project-specific datasheet.

How to Choose

Is an electric tunnel oven right for your plant? Consider these factors:

Practical tip: match oven length to capacity first (longer oven = higher throughput at the same baking time), then verify your transformer can carry the KVA rating. Wanttone engineers will calculate both for you during project design.

The Wanttone Difference

Wanttone is not only an oven builder — we are also a biscuit producer. Guangdong Wanttone Food Co., Ltd. grew out of the Yangjiang Biscuit Equipment General Factory, founded in 1981, and today operates its own biscuit lines producing Wanttone-brand cookies and crackers for the Chinese market. That dual strength means every electric tunnel oven temperature curve we deliver has been proven under real production loads in our own plant, not just calculated on paper. Backed by ISO 9001 quality management, an in-house food machinery research institute, and more than 40 years of biscuit equipment engineering, we support every project from factory layout through installation, commissioning, operator training, and lifetime after-sales service. When you buy a Wanttone oven, you buy four decades of baking knowledge built into the steel.

Frequently Asked Questions

Is an electric tunnel oven more expensive to run than a gas oven?

It depends on local tariffs. Where industrial electricity is reasonably priced or gas infrastructure is unavailable, electric ovens are competitive — and the 300 mm rock wool insulation plus a sealed chamber design keeps consumption low. Electric ovens also save on burner maintenance and flue installation. Share your local electricity and gas prices with us and we will model the cost per ton of biscuits for both options.

How many temperature zones do I need?

As a rule of thumb: one zone for ovens under 20 m, two zones up to about 28 m, and three to four zones for ovens of 30 m and longer. More zones give finer control over shaping, rising, dehydration, and coloring — important for layered crackers and delicate cookies.

How long does preheating take?

Thanks to the fast response of electric elements and the insulated chamber, a Wanttone electric tunnel oven typically reaches working temperature in 30–60 minutes depending on oven length, and recovers the set temperature quickly after loading.

What maintenance does an electric biscuit baking oven require?

Routine maintenance covers heating elements, circulation fans, belt tracking, and insulation seals. With no burners or gas valves, there is no combustion servicing. Our team provides a preventive maintenance schedule and lifetime technical support.

Can the oven run on my local power supply?

Yes. We configure voltage, frequency (50/60 Hz), and phase to your grid, and size the heating power to match your available transformer capacity (KVA). This is confirmed during the technical design stage before manufacturing begins.

Can I bake different biscuit types in one oven?

Yes. Recipe memory on the PLC stores zone temperatures and belt speeds for each product, so changeovers between crackers, cookies, and soft biscuits take minutes.

Ready to Specify Your Electric Tunnel Oven?

Tell us your biscuit type, target capacity, and local power conditions — our engineers will return a tailored oven configuration, layout drawing, and quotation. Contact ricky@wanttone.com or WhatsApp (86)13926311528 today.