Heating Section for Beverage Pasteurization Tunnel

Product Specifications

Technical details and manufacturing context for Heating Section

Definition

The heating section is a critical component of the Integrated Beverage Pasteurization and Cooling Tunnel System. Its primary function is to uniformly and precisely elevate the temperature of the beverage product (such as juice, milk, or other liquid drinks) to a specific target range, typically between 72°C to 95°C (161°F to 203°F), to achieve effective pasteurization. This process eliminates pathogenic microorganisms and deactivates enzymes, thereby ensuring product safety and extending shelf life while maintaining the beverage's sensory and nutritional qualities. The section is designed for controlled, efficient heat transfer as the product flows through the tunnel. Constructed from stainless steel (AISI 304/316L) with food-grade elastomers for gaskets and seals, the heating section is built to meet hygiene and durability requirements. It operates within a defined set of parameters: operating pressure of 1.0–1.6 MPa, heating capacity of 150–500 kW, temperature range of 60–95°C, temperature control accuracy of ±0.5°C, flow rate of 5–50 m³/h, electrical supply of 380–480 V AC (three-phase, 50/60 Hz, per IEC 60038), power consumption of 10–30 kW (excluding heating capacity), insulation thickness of 50–100 mm, weight of 1000–5000 kg, dimensions (L×W×H) of 3000–12000 × 1000–2000 × 1500–2500 mm, and ingress protection rating of IP54–IP65 (per IEC 60529). These values are reference ranges and must be confirmed for the specific model and application. The heating section interfaces with upstream and downstream components of the tunnel system, including cooling sections and control systems. It is designed for integration into a complete pasteurization line, with connections for product inlet/outlet, heating medium supply/return, and electrical/control signals. Selection of the heating section depends on line capacity, product type, target pasteurization temperature, and available utilities. Verification questions include: What is the required throughput? What is the product's viscosity and particulate content? What heating medium is available (hot water or steam)? What are the space and utility constraints? Maintenance signals include temperature deviations, pressure drops, leaks, and unusual noise. Failure boundaries include loss of temperature control, heat exchanger fouling, and seal degradation. Always verify model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The heating section operates by transferring thermal energy to the beverage product. This is typically achieved through indirect heat exchange. The beverage flows through a sanitary tube or plate heat exchanger. A heating medium (such as hot water or steam) circulates on the opposite side of the heat transfer surface, warming the beverage without direct contact. Precise temperature control systems (sensors, controllers, and regulating valves) maintain the target temperature throughout the section to ensure consistent pasteurization efficacy.

Common Materials

Stainless Steel (AISI 304/316L), Food-grade elastomers (for gaskets/seals)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Heating Capacity	150–500 kW	Based on water flow and temperature rise
Temperature Range	60–95 °C	Typical pasteurization temperatures
Temperature Control Accuracy	±0.5 °C	Ensures consistent pasteurization
Flow Rate	5–50 m³/h	Depends on line capacity
Electrical Supply	380–480 V AC	Three-phase, 50/60 HzIEC 60038
Power Consumption	10–30 kW	Excludes heating capacity
Material	304/316L	Stainless steel for food contactASTM A240
Insulation Thickness	50–100 mm	Minimizes heat loss
Weight	1000–5000 kg	Depends on size and material
Dimensions (L×W×H)	3000–12000 × 1000–2000 × 1500–2500 mm	Customizable to line layout
Ingress Protection	IP54–IP65	Protects against water and dustIEC 60529

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Heat Exchanger Core
Provides the surface area for efficient thermal transfer from the heating medium to the beverage.

Material: Stainless Steel
Temperature Sensor Array
Monitors beverage temperature at multiple points to ensure uniform heating and precise control.

Material: Stainless Steel housing, PTFE/PFA insulation
Heating Medium Control Valve
Regulates the flow rate and/or pressure of the heating medium (steam/hot water) to control the heat input.

Material: Stainless Steel
Insulation Jacket Part
Minimizes heat loss to the environment, improving energy efficiency and maintaining operator safety.

Material: Stainless Steel cladding with mineral wool or foam insulation
Temperature Controller
Reads the sensors and drives the medium valve to hold the pasteurization temperature.

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Frequently Asked Questions

What is the typical temperature range for the heating section?

The heating section is designed to operate within a temperature range of 60–95°C, with a control accuracy of ±0.5°C. The specific target temperature depends on the product and pasteurization requirements, typically between 72°C and 95°C.

What materials are used in the heating section?

The heating section is constructed from stainless steel (AISI 304/316L) for product contact surfaces, and food-grade elastomers are used for gaskets and seals. These materials are selected for hygiene, corrosion resistance, and durability.

How is the heating section integrated into the tunnel system?

The heating section is a component of the integrated pasteurization and cooling tunnel system. It is installed in line with other sections, such as cooling, and interfaces with product flow, heating medium supply, and control systems. Integration requires proper alignment and connection to utilities.

What maintenance is required for the heating section?

Regular maintenance includes inspecting and cleaning heat exchanger surfaces to prevent fouling, checking seals and gaskets for wear, verifying temperature sensor accuracy, and monitoring pressure and flow. Any deviations from normal operating parameters should be investigated promptly.

Data Basis

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pressure:	Up to 6 bar (typical beverage processing)
flow rate:	1-20 m³/h (adjustable based on tunnel capacity)
temperature:	60-95°C (pasteurization range)
slurry concentration:	Up to 30% solids (for pulp-containing beverages)

Heating Section

Product Specifications

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Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards