Modified Bitumen Emulsification Equipment Technology Principles and Applications
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Modified Bitumen Emulsification Equipment Technology Principles and Applications
Release Time:2026-05-28
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Technical Principles
1. High-Speed ​​Shear Emulsification: A colloid mill mixes high-temperature asphalt (140-160℃) with an aqueous solution containing emulsifier. The rotor rotates at high speed (shear rate ≥300 r/min) to form a stable emulsion of 1-5 microns.
2. Polymer Modification: Modifiers such as SBS/SBR (content ≥12%) are added. During the shearing process, they react with the asphalt to form a three-dimensional network structure, improving the material's high-temperature stability and low-temperature toughness.
3. Intelligent Control: A fully automatic system precisely controls temperature (±1℃), proportioning (metering accuracy 0.2%), and the production process, reducing human error.
Effect of temperature control on modified bitumen equipment
Core Functions
1. Multi-Material Production: Capable of producing various road materials such as cold patching compound, crack sealant (-40℃ to 0℃), and SBS/SBR modified asphalt.
2. Energy Saving and Environmental Protection: The overall power consumption is 30% lower than similar products. Environmental protection modules reduce pollution emissions, saving 600 yuan per ton compared to purchasing externally.
3. Flexible Configuration: The modular skid-mounted design supports three layouts: vehicle-mounted, containerized, and fixed, adapting to different construction needs.
Application Scenarios
1. High-Grade Highway Maintenance: Used for preventative maintenance such as micro-surfacing and chip seal; emulsified asphalt cold recycling technology allows for the recycling of old materials.
2. Special Environment Construction: Suitable for areas with large temperature differences (non-brittle at -30℃), heavy-load roads (softening point >95℃), and humid environments during the rainy season.
3. Green Building: Used for bridge deck waterproofing, high-speed rail CA mortar subbase, etc. Some equipment can also produce 3D printed paving materials.