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In recent years, with the rapid development of asphalt pavement construction in China, the maintenance burden of asphalt roads has become heavier and heavier. On-site thermal regeneration construction technology has on-site completion of road repair, without interruption of traffic, construction materials can be used 100% of the old pavement construction materials, construction costs are only 50% î•¢ 70% of traditional construction costs, construction speed and other advantages, is gradually entering China's pavement maintenance market. At present, no less than seven provinces in China have begun to promote this technology, and the number of imported local thermal regeneration construction equipment has reached ten.
Since 2003, Zoomlion has set up a project team to develop a complete set of geothermal regenerative equipment. After many investigations and demonstrations, it successfully launched the first hot-air circulating pavement heating machine in China at the end of 2003.
In view of the construction problems encountered by customers when using foreign machines on the construction site and in the market, the technical center conducted a comprehensive analysis of the construction conditions and existing problems of various foreign models in China during the research and development process, and fully considered the local heat. Based on the actual situation of construction of recycled equipment in China, a new in-situ heat recovery remixing machine with five invention patents was developed. The LF4500 remixer adopts advanced PID (proportional integral differential) closed-loop control technology, intelligent fault diagnosis technology, and humanized design concept, which makes the product highly stable, reliable and easy to maintain. The strengths of mainstream products in the world have selected internationally renowned brands such as Siemens, Deutz and KTR as supporting components.
Recently, the LF4500 comprehensive compounding machine developed by Changsha Zhonglian Heavy Industry Technology Development Co., Ltd. was successfully launched in Hunan. The LF4500 type remixing machine is the first hot air circulation heating integrated re-mixing machine for on-site heat regeneration construction of asphalt pavement. Together with the Zhonglian heating machine, it constitutes the in-situ heat regeneration complete equipment of Zoomlion, which marks Zoomlion officially entered the market for on-site thermal regeneration equipment for asphalt pavement.