Editorial Technical Reference

Submerged Conveyor

This page explains how Submerged Conveyor is classified within Food Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A conveyor system designed to operate fully submerged in water or processing fluid within an industrial blancher.

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Product Specifications

Technical details and manufacturing context for Submerged Conveyor

Definition
The submerged conveyor is a critical component of the Industrial Hydrostatic Blancher that continuously transports food products through the heating and cooling zones while completely immersed in water or processing fluid. It ensures uniform heat transfer, prevents product floating, and maintains consistent processing times for optimal blanching results. This conveyor is engineered for demanding food manufacturing environments, with construction from stainless steel grades 304/316L and food-grade plastic components, along with corrosion-resistant bearings. Its design allows for fully submerged operation, which prevents product dehydration, ensures even heating and cooling, and maintains product integrity during processing. The conveyor is available in a range of configurations to suit various production scales, with rated capacities from 5 to 50 t/h, conveyor speeds adjustable from 0.1 to 1.5 m/s via a variable frequency drive, and operating temperatures from -10°C to 100°C, with short-term peaks up to 120°C. Belt widths range from 400 to 2000 mm, and overall lengths from 3 to 30 m, with modular design for easy installation. Motor power ranges from 0.75 to 7.5 kW, and electrical supply is three-phase, 380-480 V AC, 50/60 Hz, per IEC 60038. The conveyor is rated IP66 to IP69K for high-pressure washdown resistance, per IEC 60529. Material grades are stainless steel 304/316L per ASTM A240, and food contact surfaces have a surface finish of Ra ≤ 0.8 µm per ISO 4287. Weight varies from 500 to 5000 kg depending on size and material. All values are reference ranges and must be verified for the specific model and application with the legal manufacturer or supplier. The submerged conveyor is a component, not a standalone machine, and its performance depends on integration with the blancher system.
Working Principle
The conveyor operates while fully submerged in the blancher's water bath, using a motor-driven mechanism (typically chain or belt) to move food products through different temperature zones. The submerged design prevents product dehydration, ensures even heating/cooling, and maintains product integrity during processing. The conveyor speed is adjustable via a variable frequency drive, allowing precise control of processing time. The system is designed for continuous operation in hot water or brine, with materials selected for corrosion resistance and food safety.
Common Materials
Stainless Steel 304/316, Food-grade plastic components, Corrosion-resistant bearings
Technical Parameters
ParameterTypical rangeNotes & selection driver
Rated Capacity5–50 t/hDepends on product density and conveyor speed
Conveyor Speed0.1–1.5 m/sAdjustable via variable frequency drive
Operating Temperature-10–100 °CFor continuous operation in hot water or brine
Maximum Product Temperature120 °CShort-term peaks up to 120°C
Belt Width400–2000 mmCustom widths available
Overall Length3–30 mModular design for easy installation
Motor Power0.75–7.5 kWDepends on conveyor length and load
Voltage380–480 V ACThree-phase, 50/60 HzIEC 60038
Ingress ProtectionIP66–IP69KHigh-pressure washdown resistantIEC 60529
Material Grade304/316LStainless steel, food-gradeASTM A240
Surface FinishRa ≤ 0.8 µmFood contact surfacesISO 4287
Weight500–5000 kgDepends on size and material

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
  • Drive Motor
    Provides power to move the conveyor system
    Material: Stainless steel housing
  • Conveyor Belt/Chain
    Direct contact surface that transports food products
    Material: Food-grade plastic or stainless steel
  • Support Rollers Part
    Maintain proper belt/chain alignment and tension
    Material: Stainless steel with corrosion-resistant bearings
  • Sealing System Part
    Prevents water leakage at drive and tension points
    Material: Food-grade rubber seals
  • Variable Frequency Drive
    Sets the belt speed, which is what sets the blanching dwell time.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 2 bar (29 psi) submerged depth
flow rate: Up to 500 m³/h (2,200 gpm) fluid flow
temperature: 5°C to 95°C (41°F to 203°F)
slurry concentration: Up to 40% solids by weight
Media Compatibility
✓ Food processing fluids (water, brine, oil) ✓ Chemical processing solutions (pH 4-10) ✓ Wastewater treatment slurries
Unsuitable: Highly abrasive mineral slurries with sharp particles
Sizing Data Required
  • Product throughput (kg/h or tons/h)
  • Blancher tank dimensions (length, width, depth)
  • Required submersion depth and fluid viscosity

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion and pitting
Cause: Continuous exposure to corrosive liquids (e.g., saltwater, chemicals) and galvanic corrosion from dissimilar metals in submerged environment
Bearing and seal failure
Cause: Water ingress through worn seals, inadequate lubrication washout, and abrasive particle contamination in submerged operation
Maintenance Indicators
  • Unusual grinding or screeching noises from drive components indicating bearing/seal failure
  • Visible rust streaks or discoloration in discharge water signaling corrosion progression
Engineering Tips
  • Implement cathodic protection systems and use corrosion-resistant materials (e.g., stainless steel, specialized coatings) for submerged components
  • Establish regular seal inspection/replacement schedules and use waterproof/water-resistant lubricants specifically designed for submerged applications

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 5048:1989 - Continuous mechanical handling equipment - Belt conveyors with carrying idlers - Calculation of operating power and tensile forces ANSI/CEMA 502-2005 - Bulk Material Belt Conveyor Troughing and Return Idlers DIN 22101:2011-12 - Continuous conveyors - Belt conveyors for loose bulk materials - Basics for calculation and dimensioning

Quoted from the published standard.

Manufacturing Precision
  • Belt tracking alignment: +/- 5mm over 10m length
  • Idler roller concentricity: +/- 0.5mm TIR (Total Indicator Reading)
Quality Inspection
  • Immersion Leak Test for submerged components and seals
  • Non-Destructive Testing (NDT) - Magnetic Particle Inspection for weld integrity

Manufacturers of Submerged Conveyor

Manufacturer profiles associated with Submerged Conveyor.

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Frequently Asked Questions

What is the primary function of a submerged conveyor?

The submerged conveyor continuously transports food products through the heating and cooling zones of an industrial hydrostatic blancher while fully immersed in water or processing fluid. It ensures uniform heat transfer, prevents product floating, and maintains consistent processing times for optimal blanching results.

What materials are used in the construction of the submerged conveyor?

The conveyor is constructed from stainless steel grades 304/316L, food-grade plastic components, and corrosion-resistant bearings. These materials are selected for durability, corrosion resistance, and compliance with food safety requirements.

What are the typical operating parameters for this conveyor?

Typical parameters include a rated capacity of 5-50 t/h, conveyor speed adjustable from 0.1-1.5 m/s, operating temperature range of -10°C to 100°C (with short-term peaks up to 120°C), belt width from 400-2000 mm, overall length from 3-30 m, and motor power from 0.75-7.5 kW. These are reference ranges; exact values depend on the specific model and application.

How should I verify the suitability of this conveyor for my application?

You should consult the legal manufacturer or supplier to confirm that the conveyor's specifications, including capacity, speed, temperature range, and material grades, meet your specific processing requirements. Also verify compliance with relevant standards such as IEC 60038, IEC 60529, ASTM A240, and ISO 4287 for your installation.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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