INDUSTRY COMPONENT

Drum Shell

Drum shell is the cylindrical outer casing of a rotary blanching machine that contains and rotates fruits/vegetables during heat treatment.

Component Specifications

Definition
The drum shell is a critical structural component in rotary fruit and vegetable blanching systems, consisting of a cylindrical stainless steel enclosure with perforated walls. It rotates on a horizontal axis, facilitating uniform exposure of produce to steam or hot water while allowing drainage of processing liquids. The shell incorporates mounting flanges for drive mechanisms, temperature sensors, and safety interlocks.
Working Principle
The drum shell rotates via an external drive system, creating a tumbling action that ensures even blanching. Heat transfer occurs through the shell's material and perforations, with the cylindrical design optimizing thermal distribution and product flow.
Materials
AISI 304 or 316L stainless steel, thickness 2-4mm, food-grade certified, with corrosion-resistant properties for wet/high-temperature environments.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Length2000-5000mm
Diameter800-1500mm
Load Capacity200-1000kg
Rotation Speed5-15 RPM
Max Temperature120°C
Perforation Size3-8mm diameter

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

Standards
ISO 14159, DIN 11850

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Corrosion from acidic foods
  • Structural fatigue from cyclic loading
  • Contamination if material degrades
FMEA Triads
Trigger: Material thinning due to corrosion
Failure: Shell rupture during operation
Mitigation: Use higher-grade stainless steel (316L), implement regular thickness testing
Trigger: Improper balancing
Failure: Vibration leading to bearing/seal damage
Mitigation: Dynamic balancing during manufacturing, install vibration sensors

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±1mm on diameter, ±0.5mm on roundness
Test Method
Dimensional inspection, pressure testing at 1.5x operating pressure, material certification per EN 10088

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Drum Shell

Manufacturer profiles associated with Drum Shell.

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Frequently Asked Questions

What maintenance does a drum shell require?

Regular inspection for corrosion, cleaning to prevent biofilm buildup, and verification of structural integrity and rotation balance.

Can drum shells be customized for different products?

Yes, dimensions, perforation patterns, and material grades can be adapted for specific produce types and throughput requirements.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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