Asphalt hot recycling screening machine, asphalt concrete screening equipment

Description :

　　Asphalt hot recycling screening machine, asphalt concrete screening equipment

　　Jiangsu Xibao Heavy Industry Machinery Co., Ltd. is a modern enterprise that integrates research and development, design, production, sales, and after-sales service. Since its establishment, the company has been committed to the research and development and production of asphalt mixture equipment, including asphalt recycling material crushers, screening machines, factory mixing hot recycling equipment, and other main products. It has provided many complete sets of equipment for large-scale engineering projects such as highways, railways, hydropower, and mining.

　　With a large amount of asphalt waste material (RAP) being reused, more and more customers are paying attention to equipment in the field of asphalt recycling, and the demand for related equipment has doubled accordingly. Jiangsu Xibao Heavy Industry, as a rising star in the field of asphalt recycling, has attracted a lot of attention from customers for its independently developed recycling products.

　　From this year's equipment sales data, it can be seen that the XB series asphalt waste crushing and screening equipment from Xibao Heavy Industry has been exceptionally popular in sales. As of now, it has been put into use in provinces and cities across the country such as Zhejiang, Jiangsu, Anhui, Xinjiang, Hubei, and Beijing, and has been exported to overseas countries such as Vietnam, helping RAP to recycle and achieve resource regeneration.

　　What are the advantages of XB series roller crushing and screening equipment?

　　The XB series is a specialized crushing and screening product launched by Xibao Heavy Industry based on its rich design experience in asphalt plant mixing and hot recycling equipment, combined with the particularity of domestic RAP material acquisition methods. The equipment adopts flexible separation technology combined with high-frequency screening technology to ensure the gradation control requirements in the production process of RAP mixture with high mixing ratio. The flexible crushing and screening method avoids the secondary damage of RAP grading, and the high-frequency screening technology can screen RAP below 4.75mm, ensuring the control of the proportion of fine materials in the mixture grading.

　　RAP flexible crushing and screening "3-step method":

　　1. First level single roll flexible separation

　　The crushing roller of the single roll primary crusher works in conjunction with the hydraulic driven pushing device, resulting in high crushing efficiency. Low speed combined with a movable buffer plate can achieve flexible separation. The wear-resistant parts on the crushing roller adopt the standard cutting head of the milling machine, which has good wear resistance and is easy to replace.

　　2. Grading system

　　The high-frequency vibration motor is used as the driving force motor to drive the screen mesh to vibrate (the screen body does not move), solving the problem of RAP material blockage below 4.75mm and achieving high-speed tapping of materials. This structure combines the conventional vibrating screen and vibrating screen into one, and one vibrating screen can separate three types of materials, reducing equipment occupation and saving costs.

　　3. Secondary roller type flexible separation

　　The double roll secondary crusher is equipped with two sets of crushing rollers arranged in a cross pattern. One of the crushing rollers is equipped with a spring tensioning device, which can adjust the gap between the crushing rollers to achieve the adjustment of material particle size and output after crushing. Compared with hammer crushing and impact crushing, roller crushing causes less damage to the gradation of RAP raw aggregates. The roller speed is low and the crushing method has minimal impact, greatly extending the service life of the equipment. At the same time, there is almost no dust generated during on-site work.

　　Hot recycling technology can effectively recycle RAP, which is a flexible, practical, simple, and quality assured old asphalt pavement recycling technology. The difference between the construction of recycled asphalt mixture and conventional asphalt mixture mainly lies in the temperature control and construction points during the mixing process, such as discharging, transportation, paving, and rolling, which are consistent with those of conventional asphalt mixture construction. The construction process of hot mix recycled asphalt mixture includes the following steps: recycling and processing of old asphalt pavement materials, mixing and recycling of RAP, transportation, paving, rolling and joint treatment of hot mix recycled asphalt mixture.

　　1. The design of dual drying drums effectively solves the problem of old asphalt aging during RAP drying and regeneration process, and is energy-saving and environmentally friendly. Hot recycled asphalt mixture meets the requirements of road performance compared to traditional asphalt mixture, and the construction process is roughly the same.

　　2. A four section design scheme was proposed for the second drying drum, with different blade structures designed for each section, which can effectively prevent direct contact between flames and asphalt and has a good heating effect.

　　3. The evaluation of recycled asphalt mixture generally includes several aspects, such as the asphalt content in the recycled material, physical performance indicators of the recycled asphalt, and aggregate gradation. The sampling and analysis of recycled mixtures should be representative, and the performance of the samples should be able to represent the entire recycled mixture; The recycling of the mixture should be layered and milled, and the waste should be transported to a fixed site by category.

　　4. Factory mixed hot recycling is a widely used and effective method for asphalt pavement recycling, and it is also a suitable recycling method for China at present. With the continuous improvement and perfection of factory mixed hot recycling equipment, it has become increasingly mature and widely used in the recycling and repair of various grades of highways.

AfterSalesService :

• Asphalt concrete screening equipment