Tietuo Machinery takes the value of “waste†to the extreme
The recycled asphalt pavement material (RAP) blending ratio of RAP in recycled mixture refers to the percentage of recycled asphalt pavement material (RAP) to the total mass of the recycled mix blend. Ten years ago (July 1, 2008), the Ministry of Communications of the People's Republic of China promulgated and implemented the "Technical Rules for the Recycling of Highway Asphalt Pavements" JTG F41-2008. The rules indicate that in general, the ratio of blending is 10:90-30:70. . With the rapid development of pavement material technology and equipment technology in China, the recommended blending ratio of 30% is far from meeting the needs of market and technology development. To this end, Tietuo Machinery has continuously summarized and researched and developed according to the experience summarized by the equipment sold, and has launched the first generation of the original regenerative integrated device of Tietuo Machinery as early as 2011. After nearly ten years of improvement and upgrading, the combined equipment has achieved certain breakthroughs in grading control methods, temperature control methods, and regenerant mixing processes. In order to meet the requirements of customers to produce high blending ratio RAP mixture, the environmental performance is also improved. Regeneration of original combination equipment for the large and medium-sized repair works of Chuda Expressway in 2011 Tietuo Machinery's original regeneration combined equipment service case Key technology of RAP high blending ratio regeneration original machine 1.RAP flexible separation technology combined with high-frequency screening technology ensures the gradation control requirements in the production process of high-partition ratio RAP mixture. Flexible separation technology avoids secondary damage of RAP grading. The high-frequency screening technology can accurately screen RAP below 4.75mm, and the very important fine aggregate ratio in the mix grading is precisely controlled. RAP flexible separation technology combined with high frequency screening technology 2. Tietuo Machinery's unique hot flue gas distribution circulation heating technology ensures a high discharge temperature of RAP, and this hot flue gas reduces the secondary aging degree of asphalt in RAP. This unique technology guarantees high temperature control requirements for RAP during high blend ratio RAP mix production. Tietuo Machinery's unique hot flue gas distribution circulation heating technology 3. Regenerant pre-mixing technology (Tietuo Machinery Patent No.: 2011 2 0069971.3) subverts the traditional regenerant mixing and stirring process, dissipates high-temperature RAP mass, and prolongs the fusion and penetration of regenerant and RAP. Time of reaction. The regeneration of the regenerant under RAP high blending ratio is perfectly exerted. Regenerant pre-mixing technology 4. The mixing tank is enlarged and the dust collector is increased, which provides the production capacity guarantee for the production of RAP high blending ratio mixture. The mixing tank is enlarged, the dust collector is enlarged 5. The mixing host is placed directly below the regenerative equipment so that the high temperature RAP can be directly thrown into the mixing host. This technology is the patented technology of Tietuo Machinery in 2010 (Tietuo Machinery Patent No.: ZL 2010 2 0119177.0). After nearly ten years of practical application verification by Tietuo mechanical engineers, this technology completely solves the problem of high-speed recycled material adhesion and conveying equipment and slow feeding speed under high blending ratio. Providing the perfect solution for the common problems of the industry. The mixing host is set directly below the regenerative equipment Micro-foam sampling effect Dust collecting device at the top of the cold silo Dust collecting device at the feeding belt position Dust collecting device for conveying belt position Sealed lane of truck picking position Vacuuming effect when whitening Condenser treatment tank oil fumes 6. Foamed asphalt warm mix technology and other environmental protection measures, so that the environmental performance of the whole set of equipment is further improved. The micro-foam ensures the agitation and easeability while improving the uniformity quality index of pavement density and porosity after compaction. (This article comes from Tietuo Machinery)
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