Structured Manufacturing Data (2026)

Heating Drum

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Heating Drum used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Heating Drum is characterized by the integration of Drum Shell and Internal Flighting. In industrial production environments, manufacturers listed on CNFX commonly emphasize Carbon Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A cylindrical component within the RAP Heating System that transfers thermal energy to materials through direct contact and rotation.

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Product Specifications

Technical details and manufacturing context for Heating Drum

Definition
The Heating Drum is a critical component of the RAP Heating System, designed as a rotating cylindrical vessel that provides uniform and controlled heating to materials (such as asphalt, aggregates, or industrial mixtures) as they pass through. It functions as the primary heat exchange surface, ensuring consistent temperature distribution and efficient thermal transfer required for processes like drying, heating, or maintaining material viscosity.
Working Principle
The drum rotates, tumbling the material inside while being heated externally (e.g., by gas burners, electric elements, or thermal oil jackets) or internally (via heated surfaces or mediums). Heat is transferred through conduction and radiation from the drum's walls to the material, with rotation ensuring even exposure and preventing hot spots or material degradation.
Common Materials
Carbon Steel, Stainless Steel, Heat-Resistant Alloy
Technical Parameters
  • Diameter and length of the drum, defining its capacity and heating surface area. (mm) Per Request
Components / BOM
  • Drum Shell Part
    Primary structural and heat-transfer surface
    Material: Carbon Steel/Stainless Steel
  • Internal Flighting Part
    Lifts and tumbles material for even heating
    Material: Wear-Resistant Steel
  • Support Rollers Part
    Supports and facilitates drum rotation
    Material: Forged Steel
  • Drive Gear Part
    Transmits rotational force to the drum
    Material: Alloy Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Heating Drum.

Heating Cylinder Thermal Drum industrial heating drum for asphalt plants RAP heating system drum component carbon steel heating drum manufacturing rotary heating drum with internal flighting heavy-duty heating drum support rollers

Applied To / Applications

This component is essential for the following industrial systems and equipment:

RAP Heating System
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 bar (gauge)
flow rate: 5 to 50 m³/h
temperature: 150°C to 450°C
slurry concentration: Up to 60% solids by weight
Media Compatibility
✓ Mineral slurries (e.g., limestone, gypsum) ✓ Aggregate materials (e.g., sand, gravel) ✓ Food-grade powders (e.g., starch, flour)
Unsuitable: Highly corrosive acidic environments (e.g., concentrated sulfuric acid processing)
Sizing Data Required
  • Required thermal power output (kW)
  • Material throughput rate (kg/h or m³/h)
  • Material properties (bulk density, specific heat capacity, moisture content)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal fatigue cracking
Cause: Cyclic heating and cooling causing expansion/contraction stresses, especially at weld joints or material transitions
Corrosion/erosion thinning
Cause: Chemical attack from process fluids or steam condensate, combined with abrasive particle wear in slurry applications
Maintenance Indicators
  • Visible steam leakage or moisture around drum seals/welds indicating seal failure or crack development
  • Abnormal vibration or knocking sounds during operation suggesting uneven heating, material buildup, or structural issues
Engineering Tips
  • Implement controlled heating/cooling cycles with gradual temperature ramps to minimize thermal stress on drum materials
  • Install sacrificial anodes or apply protective coatings on internal surfaces to combat corrosion, combined with regular thickness monitoring via ultrasonic testing

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ASME B31.3 Process Piping DIN EN 13445 Pressure Vessels
Manufacturing Precision
  • Cylindricity: +/-0.05mm
  • Surface Finish: Ra 3.2μm max
Quality Inspection
  • Hydrostatic Pressure Test
  • Thermographic Inspection

Factories Producing Heating Drum

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are available for the heating drum construction?

Our heating drums are manufactured using carbon steel, stainless steel, or heat-resistant alloys to suit different temperature requirements and material compatibility needs in machinery applications.

How does the heating drum transfer thermal energy to materials?

The heating drum rotates while maintaining direct contact with materials, using internal flighting to ensure even distribution and efficient heat transfer through conduction within the RAP heating system.

What are the key components in the heating drum BOM?

The bill of materials includes the drive gear for rotation control, drum shell as the main cylindrical body, internal flighting for material movement, and support rollers for structural stability during operation.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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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