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Microwave processing unit for pavement recycling and asphalt pavement production

A technology of asphalt and mixed asphalt, which is applied in the field of asphalt production and can solve the problems of performance degradation of new HMA

Inactive Publication Date: 2015-05-27
LEAP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In most cases, a larger amount of RAP leads to lower performance of the new HMA

Method used

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  • Microwave processing unit for pavement recycling and asphalt pavement production
  • Microwave processing unit for pavement recycling and asphalt pavement production
  • Microwave processing unit for pavement recycling and asphalt pavement production

Examples

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Embodiment Construction

[0013] The present invention includes equipment for the production of low energy asphalt pavements utilizing test and design equipment with low energy heating systems using microwave technology and manufacturing methods ("LEHS") for use up to 100% recycled asphalt pavements ("RAP") in order to convert it into a High Performance Hot Mix Asphalt ("HMA"), which outperforms any type of prior art asphalt product. LEHS uses very little energy and produces virtually undetectable amounts of pollution (when compared to existing methods of producing HMA).

[0014] Typically, methods include the following steps:

[0015]

[0016] The method begins by recovering RAP material from roads, parking lots or other paved surfaces. The method enables the use of varying amounts of RAP, including up to 100% RAP, which enables maximum re-use or regeneration of the product. The emulsion is added to the product, and as described in more detail below, the emulsion can make up about 5% of the produ...

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PUM

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Abstract

An asphalt plant for producing a high performance hot mix asphalt product, comprising: RAP material, emulsion added to the RAP, and low energy microwave heating system for processing the RAP emulsion mix.

Description

technical field [0001] The invention belongs to the technical field of asphalt production. More particularly, the present invention relates to the use of microwave energy in the production of asphalt products. Background technique [0002] State-of-the-art bitumen production plants have remained practically unchanged for decades (see Figure 1). The asphalt mastic and aggregates are mixed in mixing equipment where they are heated, equalized and mixed to produce a suitable paving mix. Hot mix asphalt ("HMA") equipment may be permanently deployed (also known as "fixed" equipment), or it may be mobile, moving from job to job. Thermal mixing facilities can be classified as batch facilities or drum mixing facilities; both can be fixed or mobile. Batch type thermomixing equipment uses different sized sections of hot aggregate that are drawn in proportionate amounts from a holding tank to make up the batch for mixing. The combination of aggregates is poured into a mixing chamber...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C19/05
CPCE01C19/08E01C19/05E01C19/1004E01C19/1036E01C19/1045Y02A30/30E01C19/1013
Inventor M·埃利奥特
Owner LEAP TECH
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