Editorial Technical Reference

Recycled Asphalt Pavement (RAP) System

This page explains how Recycled Asphalt Pavement (RAP) System is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A subsystem within an asphalt mixing plant that processes reclaimed asphalt pavement materials for reuse in new asphalt mixtures.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Recycled Asphalt Pavement (RAP) System

Definition
The Recycled Asphalt Pavement (RAP) System is an integral component of modern asphalt mixing plants designed to handle, process, and reintroduce reclaimed asphalt pavement materials into the production cycle. It typically includes storage bins, conveyors, feeders, and sometimes specialized heating or crushing equipment to prepare RAP materials for blending with virgin aggregates and asphalt binder, enabling sustainable pavement construction with reduced environmental impact and material costs. The system is engineered to integrate seamlessly with the plant's existing material flow, ensuring that recycled content is accurately metered and consistently blended. Key components include structural steel frames, wear-resistant steel plates for high-abrasion zones, durable conveyor belting, and electrical control components. The system's processing capacity ranges from 60 to 240 tonnes per hour, matching the asphalt plant's output. The RAP content ratio can be adjusted between 10% and 50%, allowing operators to optimize cost savings while maintaining mix quality. Drying and heating temperatures are controlled within 120–160°C and 150–180°C respectively, with a temperature control accuracy of ±5°C to prevent bitumen aging. Screen mesh sizes range from 2 to 40 mm to achieve the desired aggregate gradation. Motor power varies from 45 to 132 kW, and the system operates on three-phase power at 380–690 V AC (IEC 60038). Compressed air at 0.6–0.8 MPa (ISO 8573-1) is used for pneumatic actuators and cleaning. Noise levels at the operator position do not exceed 85 dB(A) (ISO 11201), and dust emissions are limited to 20 mg/Nm³ (GB 16297). Overall dimensions range from 12000–25000 mm in length, 3000–5000 mm in width, and 4000–8000 mm in height, with a total weight of 20–80 tonnes. These values are reference ranges and must be verified for specific models and applications with the legal manufacturer or supplier.
Working Principle
The RAP system operates by receiving reclaimed asphalt pavement materials, typically through storage bins or hoppers. These materials are then metered and conveyed at controlled rates into the mixing process. In some configurations, the RAP may be pre-heated to improve blending efficiency. The system precisely controls the proportion of recycled material fed into the plant's drum mixer or pugmill, where it combines with virgin aggregates and asphalt binder to produce new hot mix asphalt. The control system ensures that the RAP content ratio stays within the set range, and temperature sensors maintain the required drying and heating temperatures to avoid overheating and bitumen aging. The system's design allows for adjustments to the feed rate and screen mesh size to achieve the desired mix quality.
Common Materials
Structural steel, Wear-resistant steel plates, Conveyor belting, Electrical components
Technical Parameters
ParameterTypical rangeNotes & selection driver
Processing Capacity60–240 t/hMatches asphalt plant output
RAP Content Ratio10–50 %Higher ratio reduces virgin material cost
Drying Temperature120–160 °CAvoid overheating to prevent bitumen aging
Heating Temperature150–180 °CCritical for mix quality
Temperature Control Accuracy±5 °CEnsures consistent binder performance
Screen Mesh Size Range2–40 mmDetermines aggregate gradation
Motor Power45–132 kWDepends on capacity and configuration
Operating Voltage380–690 V ACThree-phase, 50/60 HzIEC 60038
Compressed Air Pressure0.6–0.8 MPaFor pneumatic actuators and cleaningISO 8573-1
Noise Level≤85 dB(A)At operator positionISO 11201
Dust Emission≤20 mg/Nm³Complies with environmental regulationsGB 16297
Overall Dimensions (L×W×H)12000–25000×3000–5000×4000–8000 mmVaries with capacity and layout
Total Weight20–80 tInfluences foundation and transport

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
  • RAP Storage Bin
    Stores reclaimed asphalt pavement materials before processing
    Material: Structural steel
  • RAP Conveyor
    Transports RAP materials from storage to the mixing unit
    Material: Steel frame with rubber belting
  • RAP Feeder
    Controls and meters the flow of RAP materials into the mixing process
    Material: Wear-resistant steel
  • RAP Heating System Optional
    Pre-heats RAP materials to improve blending efficiency (optional component)
    Material: Insulated steel with heating elements

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Recycled Asphalt Pavement (RAP) System.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 0.5 bar (7.25 psi) for pneumatic conveying systems
flow rate: 10-200 tons/hour depending on plant capacity
temperature: Ambient to 150°C (302°F) for processing, with heating capability for binder reactivation
moisture content: Max 5% for optimal processing efficiency
slurry concentration: Not applicable (dry material handling system)
Media Compatibility
✓ Reclaimed Asphalt Pavement (RAP) materials ✓ Virgin aggregate for blending ✓ Recycled asphalt shingles (RAS) when equipped with appropriate screening
Unsuitable: Wet, clay-contaminated, or highly organic materials that cause clogging and reduce binder quality
Sizing Data Required
  • Required plant production capacity (tons/hour)
  • Maximum RAP percentage in final mix design (%)
  • Available footprint and material handling configuration (batch vs continuous plant)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Aggregate segregation and degradation
Cause: Inconsistent RAP feed rates, improper mixing temperatures, or inadequate blending with virgin materials leading to material separation, reduced pavement density, and premature surface wear.
Binder oxidation and hardening
Cause: Aged asphalt binder in RAP becomes brittle due to prolonged exposure to oxygen and UV radiation during storage or processing, resulting in reduced flexibility, cracking, and poor adhesion in the final mix.
Maintenance Indicators
  • Visible aggregate segregation or color variation in the processed RAP material, indicating inconsistent blending or temperature control issues.
  • Unusual vibrations or audible grinding noises from crushers, screens, or conveyors, suggesting material buildup, misalignment, or component wear.
Engineering Tips
  • Implement strict temperature control and monitoring during RAP heating and mixing to prevent binder overheating (which accelerates aging) and ensure uniform blending with virgin materials.
  • Regularly calibrate and maintain material handling equipment (e.g., feeders, conveyors, screens) to ensure consistent RAP feed rates and particle size distribution, reducing wear and segregation risks.

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
ASTM D6925-15: Standard Test Method for Preparation and Determination of the Relative Density of Asphalt Mix Specimens by Means of the Superpave Gyratory Compactor EN 13108-8: Bituminous mixtures - Material specifications - Part 8: Reclaimed asphalt AASHTO M 323: Standard Specification for Superpave Volumetric Mix Design

Quoted from the published standard.

Manufacturing Precision
  • Gradation: +/- 5% passing for sieve sizes
  • Asphalt content: +/- 0.4% by weight of total mix
Quality Inspection
  • Ignition oven test for asphalt content and gradation
  • Marshall stability and flow test for performance characteristics

Manufacturers of Recycled Asphalt Pavement (RAP) System

Manufacturer profiles associated with Recycled Asphalt Pavement (RAP) System.

Sourcing Recycled Asphalt Pavement (RAP) System from China?
Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.
Request manufacturers We manufacture this

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

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.

Supply Chain Compatible Machinery & Devices

Heavy-Duty CNC Plasma Cutting Machine

The Heavy-Duty CNC Plasma Cutting Machine is a standalone industrial device designed for cutting conductive metals such as steel, stainless steel, aluminum, and copper alloys.

Explore Specs →
Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →
Centrifugal Pump Impeller

The centrifugal pump impeller is a critical rotating component that converts mechanical energy from the motor into kinetic energy in fluid systems.

Explore Specs →
High-Precision CNC Laser Cutting Machine

Computer-controlled industrial machine using focused laser beams to cut sheet metal with micron-level accuracy.

Explore Specs →

Frequently Asked Questions

What is the typical processing capacity of a RAP system?

The processing capacity ranges from 60 to 240 tonnes per hour, matching the asphalt plant's output. However, the exact capacity depends on the specific model and configuration, so it must be confirmed with the manufacturer.

What RAP content ratios are possible?

The RAP content ratio can be adjusted between 10% and 50%. Higher ratios reduce virgin material costs but may affect mix properties. The optimal ratio depends on the application and must be determined through testing.

What are the temperature control requirements?

Drying temperature is typically 120–160°C, and heating temperature is 150–180°C, with a control accuracy of ±5°C. These ranges prevent bitumen aging and ensure consistent binder performance. Actual settings depend on the mix design.

What standards apply to the RAP system?

The system references standards such as IEC 60038 for voltage, ISO 8573-1 for compressed air, ISO 11201 for noise, and GB 16297 for dust emissions. These are procurement references and do not guarantee compliance; verification with the manufacturer is required.

Data Basis

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

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.
Buyer enquiry

Request manufacturing insight for Recycled Asphalt Pavement (RAP) System

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture Recycled Asphalt Pavement (RAP) System?

Compare manufacturer profiles with relevant product and process capability.

Previous Product
Reboiler
Next Product
Reference Sensor
Get QuotesChat