【China Road Machinery Network Live coverage】According to the statistics of relevant departments，Every year, the amount of old asphalt pavement materials that can be recycled and utilized on national and provincial trunk highways is about 2.500 million tons，However, the recycling rate of highway pavement materials in China is only 30%Left and right，More as an untreatable accumulation.，Or as a low-value filler。A large number of black solid wastes produced in the maintenance of asphalt pavement，It is a recyclable material resource.，A large number of old asphalt pavement materials can not be effectively utilized.，It has not only caused serious environmental pollution.，But also waste a lot of renewable resources.，It runs counter to the policy of developing circular economy advocated by the state，It is not conducive to the sustainable development of human society。

Asphalt Pavement Recycling Application Technology Exchange held by Yalong Intelligent Equipment Co., Ltd.

In view of the low temperature of recycled materials encountered by most pavement construction personnel in the process of utilization of recycled materials，The gradation of recycled materials is not easy to control，The addition proportion is small，Uneven mixing of road construction discharge，Regenerative drying drum bonding and other pain points，Henan Yalong Intelligent Equipment Co., Ltd.（Hereinafter referred to as Yalong Equipment）Through independent innovation，Take“Go with the flow，Countercurrent rebirth”Advanced technology，Adopt“Two-way rush，Same frequency resonance”A high-end experience，Solve these problems skillfully.，It has greatly promoted the popularization and application of hot mix plant recycling technology.，It paves the way for the wide use of recycled materials.。

In order to promote green highway construction,，Improve the recycling level of old asphalt pavement materials，25 September-27 September，Asphalt Pavement Recycling Application Technology Exchange Meeting Held in Houma City, Linfen, Shanxi。

Asphalt pavement recycling application technology exchange meeting site

The theme of this meeting is“Green development、Scientific and technological innovation”，Under the guidance of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association，Invite Shanxi Traffic Maintenance Group Co., Ltd.、Shanxi Hengda Construction Engineering Co., Ltd、Jointly organized by Henan Yalong Intelligent Equipment Co., Ltd.。Jiao Shengjie, President of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association，Secretary General Zhang Xinong，Deputy Secretary-General of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association、Yao Wangke, former deputy director of Shanxi Highway Administration，Professor Guo Xiaohong, Chongqing Jiaotong University，Xie Liyang, Deputy Director of Road Construction Machinery Testing Center of Chang'an University，Pei Hengliang, Deputy General Manager of Shanxi Traffic Maintenance Group Co., Ltd.，Li Hengjie, Chairman of Shanxi Hengda Construction Engineering Co., Ltd.，Zhang Dayu, general manager of Henan Yalong Intelligent Equipment Co., Ltd., and other leaders and experts and scholars were invited to attend the meeting.，Leaders in charge of highway departments from Houma City and its surrounding counties and cities、Person in charge of design and construction unit、Individual construction representatives attended the meeting.。

Promoting Intelligent Green Highway Construction to Improve the Application Level of Waste Asphalt

This activity is divided into two parts: technical exchange and on-site visit.。Before the expert lecture begins，A brief opening ceremony was held.。The morning meeting was chaired by Zhang Xinong, Secretary-General of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association.。

Zhang Xinong, Secretary-General of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association, presided over the meeting.

Zhang Dayu, general manager of Henan Yalong Intelligent Equipment Co., Ltd., first delivered a speech on behalf of the organizers.。He pointed out，The purpose of this meeting is to promote the sharing and exchange of asphalt pavement recycling technology achievements.，Speeding up Scientific and Technological Innovation and Industrialization of Scientific and Technological Achievements in Road Construction，Helping Road Engineering Construction to Achieve High Quality Development。He looks forward to this technical exchange meeting.，The participants were able to pool their wisdom and efforts.，Form more consensus，Hand in hand，Realize resource sharing，Jointly promote the development of asphalt pavement recycling application technology to a new level。

Speech by Zhang Dayu, General Manager of Henan Yalong Intelligent Equipment Co., Ltd.

Jiao Shengjie, chairman of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association, fully affirmed the outstanding achievements of Henan Yalong Intelligent Equipment Company in the recycling of waste asphalt mixture in recent years.。He pointed out，The Ministry of Transport has just issued opinions on promoting the digital transformation of highways and accelerating the construction of smart highways.，It points out the development direction of highway maintenance in our country.。Just in time，It is of far-reaching significance for us to hold the Yalong Equipment Asphalt Pavement Recycling Technology Application Exchange here.。He hoped that the leaders and guests would cherish this rare opportunity.，Speak freely，Communicate heartily，Jointly promote the application of hot in-plant recycling technology for asphalt pavement，To achieve high-quality development of the industry，Making New Contributions to Accelerating the Strategy of Transportation Power。

Speech by Jiao Shengjie, President of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association

Pei Hengliang, deputy general manager of Shanxi Traffic Maintenance Group Co., Ltd., introduced the main business and development process of Shanxi Traffic Maintenance Group.。He pointed out，The newly-built large-scale asphalt mixing station of Houma Branch is a key construction project of Shanxi Traffic Maintenance Group in the province.，The investment is large、The starting point is high、The construction concept is advanced，It is the first automatic ground blanking in Shanxi and even the whole North China.，Underground automatic production，Full environmental protection、Digitize、Intelligent garden factory，It has played a positive role in enhancing the company's image.。

Pei Hengliang, deputy general manager of Shanxi Traffic Maintenance Group Co., Ltd., shares the feeling of using Yalong Intelligent Equipment

Experts explain the enthusiastic interaction on the spot

After the opening ceremony，Experts at the meeting had a warm interaction with the audience on the development prospects of highway maintenance in China and the recycling of waste asphalt mixture.。

Professor Guo Xiaohong of Chongqing Jiaotong University《Thermal Recycling Machinery and Equipment and Cleaner Production of Asphalt Pavement Material》

Professor Guo Xiaohong of Chongqing Jiaotong University《Thermal Recycling Machinery and Equipment and Cleaner Production of Asphalt Pavement Material》An explanation was given。Professor Guo pointed out that the development trend of asphalt pavement recycling must be clean production.，Clean production integrates the intelligence of highway construction、Greening and automation。He focused on the current problems faced by asphalt pavement maintenance in China.。

Professor Xie Liyang, Deputy Director of Road Construction Machinery Testing Center of Chang'an University, explained《At home and abroadRAP Development of Hot Mix Plant Recycling Equipment and Hot Recycling Technology》

Professor Xie Liyang, Deputy Director of Road Construction Machinery Testing Center of Chang'an University, gave a speech on the topic of《At home and abroadRAP Development of Hot Mix Plant Recycling Equipment and Hot Recycling Technology》。In his speech, Professor Xie first reviewed the market situation of asphalt recycled materials in China.，Then the typical structure of hot mix plant recycling equipment is introduced.——RAPProcessing equipment，Requirements of recycling specification for recycled mixture；Then, the problems and exploration of regeneration process were explained.。Professor Xie's speech is interlinked.，Step by step，Easy to understand，It has been praised by the students.。

Shen yuanlin, Chief Engineer of Henan Yalong Intelligent Equipment Co., Ltd.《Go with the flow、Countercurrent rebirth——Countercurrent Regeneration Technology Leads Industry Development》

Shen yuanlin, chief engineer of Henan Yalong Intelligent Equipment Co., Ltd.《Go with the flow、Countercurrent rebirth——Countercurrent Regeneration Technology Leads Industry Development》An explanation was given。The countercurrent regeneration technology developed by Yalong Equipment uses the principle of flexible indirect heating.，The flame direction is opposite to the moving direction of the material，The regenerated material and the hot air flow respectively enter the drying drum from the two ends of the drying drum，Flexible indirect heating is realized。The temperature at the discharge port reaches 160℃，Flue gas temperature 110℃Left and right，The recycled material 100 can be realized%Extra large scale addition of。At present, its developmentZRSeries Downstream All-in-One andZGRSeries of counterflow all-in-one machines have been successfully applied in many regions of the country，And that energy-saving effect is obvious，It represents the latest development trend of the industry.。

Leaders and guests at the meeting conducted on-site interactive exchanges.

After the expert's explanation.，The participants and experts had a warm interactive exchange.。The leaders and guests participating in the on-site interaction include：Engaged in highway construction for a long time、Yao Wangke, former deputy director of Shanxi Expressway Operation and Management、Professor Guo Xiaohong, Chongqing Jiaotong University、Xie Liyang, Deputy Director of Road Construction Machinery Testing Center of Chang'an University、Guan Xiyou, Minister of Assets Department of Shanxi Traffic Maintenance Group Co., Ltd.、Xu Yi, Deputy General Manager and Chief Engineer of Shanxi Hengda Construction Engineering Co., Ltd.、Zhang Dayu, General Manager of Henan Yalong Intelligent Equipment Co., Ltd.，The interactive session was presided over by Zhang Xinong, Secretary-General of Road Construction and Maintenance Machinery Branch of China Construction Machinery Industry Association.。The participants had an enthusiastic interaction on how to improve the recycling technology of waste asphalt mixture.。

The visit was fruitful.

The afternoon is a visit and inspection session.，The participants visited and inspected the Shanxi Traffic Maintenance Group successively.ZR3015 downstream recycling equipment and test section with different proportions of recycled materials；Shanxi Hengda Construction Engineering Co., Ltd.ZGR4020 Countercurrent Regeneration Equipment；On-site observation of the reclaimed pavement project of Binhe Road and Hedong East Street Expressway in Xiaxian County。

Guests visited, exchanged and studied

Through a day of study and visits.，The students feel full of harvest.。Many participants said，In the past, there was a lack of systematic understanding of hot mix plant recycling and recycling of waste asphalt materials.，As a result, they lack enthusiasm and initiative in the process of promotion.。Through expert explanations and on-site exchanges，My heart is much brighter.。After going back, we should strengthen the study of new technology and new technology.，Strive to apply more outstanding achievements to green highway construction，Strive to Improve the Overall Maintenance Level of Highway in China。