High-speed pulping machine is a special equipment for slurry preparation, which is better than fast pulping machine. It is mainly used in hydropower, railway, transportation, construction, mining and other industries to mix cement, bentonite, etc. with water and its additives and quickly make slurry. The machine adopts high-speed and strong vortex dual-force circulation, multiple shearing and simultaneous tearing. The solid group is highly dispersed and mixed to make pulp, and has pumping capacity. Compared with general pulping machines and blade mixers, it has the characteristics of faster pulping speed and more uniform slurry mixing.

In order to speed up the development of the local economy in Longshan County, meet the travel needs of the local people, strengthen the promotion of scientific and technological achievements, further save the project cost, save resources and protect the environment, Longshan County Anda Transportation Construction Investment Co., Ltd. entrusted Hunan Nanrui Science and Technology Co., Ltd. to carry out the construction drawing design of the highway from Car Washing Town to Tasha Township.

This highway project is a highway construction project from Leijiapo to Fengxiangping Village, Tianwan Township, Chenxi County. The road between the two villages, a total length of 5.1km. Among them, K 0 000-K 1 800 of this section of road has previously completed a 3.5m wide water concrete pavement. Now the original foundation roadbed is widened by 3m, the surface layer is widened by 1.5m, the base layer is widened by 2m, and the cushion layer is widened by 2.5m. The rest sections are simple roads built during coal geological exploration, with steep bends and steep slopes, with a width of only about 3 meters. The people along the line have a very strong interest in building hardened roads, upgrading roads, improving traffic conditions and developing the economy in the village.

In order to build environment-friendly and resource-saving rural roads, in September 2007, Hunan Provincial Department of Science and Technology and Hunan Provincial Department of Communications jointly carried out the application research of bio-enzyme soil solidification road construction technology, and actively explored and innovated the construction of new socialist rural roads. On January 21, 2009, the provincial science and technology department organized experts to identify the scientific research achievements. The appraisal committee believes that: the subject relies on the village road test road to systematically study the road performance and construction technology and quality control of bio-enzyme reinforced soil;

July 2013, Sichuan Pixian Hongguang Town Duoli Group Scenic Area Sightseeing Road, 8km in length

The subgrade of the 19th contract section of Yongshun-Jishou Expressway is about to be completed. In view of the fact that this section is one of the main transportation channels for the subsequent main line construction and connects Jifeng Industrial Park in Jishou City, several villages and towns along the route are all accessed by this road. In order to ensure the passage without damaging the completed subgrade, based on the principles of economy, rationality, applicability and environmental protection, closely combining with the characteristics of the section, adjusting measures to local conditions, reasonably selecting materials and making full use of the abandoned weathered gravel along the line, it is proposed to popularize and apply the new technology of bio-enzyme soil solidification in the section L2K 0 000-L2K 10 300 of the 19th contract section of Yongji expressway to meet the current work.

According to the requirements of Lianzhu Expressway Construction and Development Co., Ltd. to make full use of old road resources, to explore the effective mechanism of comprehensive utilization of old road resources in expressway reconstruction and expansion projects, and to provide detailed experimental basis for the comprehensive utilization depth design of the whole road section, Hunan Rui Technology Co., Ltd. invested more than 200 million yuan to purchase large-scale special equipment for the bold attempt of recycling and comprehensive utilization of old cement concrete pavement.

The TJ27 contract section of Longyong Expressway is a car wash river connection line with starting and ending pile numbers of LK 12 000 ~ LK 19 380.374, with a total length of 7.611km. Among them, LK 14 000-LK 15 000 1km road section adopts the new road construction technology of "bio-enzyme soil solidified subbase, base and multi-element multi-modified roller compacted concrete surface layer"; The pavement structure is designed as 8cm multiple modified roller compacted cement concrete upper layer 10cm multiple modified roller compacted cement concrete lower layer 1cm modified permeable seal layer 20cm bio-enzyme soil solidified base layer 18cm bio-enzyme

After being declared by each unit and reviewed by experts organized by the department, the scientific and technological progress and innovation project plan of Hunan provincial transportation department has been completed in 2013, and the fund subsidy plan has been approved by the provincial finance department (Xiang Cai Jian Zhi [2013J329). The project plan (see annex) is hereby issued to you, and the relevant matters are notified as follows:

Hunan Province Science and Technology Major Special Project "Research and Demonstration of Key Technologies of Bio-enzyme Soil Solidification Road Construction" (2010FJ1008) is organized and implemented in strict accordance with the relevant management requirements of Hunan Province Science and Technology Major Special Project, as well as the requirements of the plan and project contract, with Hunan Transportation Research Institute as the lead unit, together with Tairan Lutong Technology Co., Ltd. Changsha Branch, Changsha University of Science and Technology and Hunan Ruishu Technology Co., Ltd., the key technologies such as bio-enzyme solidified soil mix ratio, bio-enzyme soil solidified road typical pavement structure design, construction technology and quality control and non-destructive rapid detection technology were studied and built.

This highway project is a township road connecting Yehuo Village, Zhonghu Township, Wulingyuan District, Zhangjiajie, with a length of about 3.2 kilometers and a main driving area of 4.5 meters wide. The highway passes through important areas such as farmland, mountainous forest belt and villagers' houses, and is a main trunk line for the development of regional economy. Villagers along the line have a strong desire to build hardened roads, upgrade roads, improve traffic conditions, and develop the economy.

The Y2 Township Highway Application Project in Guyang Village, Shaoshan Township, Shaoshan City, completed by our company in 2013 was rated as the selected construction unit for rural highway construction.

In July 2014, Hunan Ruishou Technology Co., Ltd. and Hunan Changshao Lou Expressway Co., Ltd. signed a technical research (commission) contract on the promotion and application of bioenzyme soil curing base layer and multi-yuan multi-time crushed cement concrete surface layer new pavement structure project.

Huayuan County's Lazha Line (Lazha Bay to Zhagou Building) has a total length of 30 kilometers. At present, our company has just completed the construction of 12 kilometers, and another 18 kilometers were built in 2006. At that time, due to the cold weather, the surface of the road was seriously pitted. Due to the large traffic flow and too many overloaded vehicles, the middle road surface sank, and the whole road surface showed a phenomenon of low middle and high on both sides. This highway construction standard is subgrade 6.5M, pavement 5.5M, in order to extend the service life of the highway, the use of multiple multiple rubber powder fiber modified cement roller compacted concrete thin layer overlay technology to upgrade the 18km road surface.

The TJ27 contract section of Longyong Expressway is a car wash river connection line with starting and ending pile numbers of LK 12 000 ~ LK 19 380.374, with a total length of 7.611km. Among them, LK 14 000-LK 15 000 1km road section adopts the new road construction technology of "bio-enzyme soil solidified subbase, base and multi-element multi-modified roller compacted concrete surface layer"; The pavement structure is designed as 8cm multiple modified roller compacted cement concrete upper layer 10cm multiple modified roller compacted cement concrete lower layer 1cm modified permeable seal layer 20cm bio-enzyme soil solidified base layer 18cm bio-enzyme

On January 21, 2009, Hunan Provincial Science and Technology Department organized and held an appraisal meeting on the achievements of Hunan Provincial Science and Technology Department's key project "Application Research on Bio-enzyme Soil Solidification Road Construction Technology" in Changsha. The appraisal committee inspected the construction site, listened to the report of the project undertaking unit, reviewed the appraisal documents and materials, and suggested that the supporting project of this technology should be further tracked and observed to accumulate data for popularization and application.

According to the requirements of Lianzhu Expressway Construction and Development Co., Ltd. to make full use of old road resources and explore the effective mechanism of realizing comprehensive utilization of old road resources in expressway reconstruction and expansion project, provide detailed experimental basis for comprehensive utilization depth design of the whole road section and ensure the construction progress of the project, according to the special meeting of test scheme attended by design, supervision, construction and other units and experts organized by your company on March 18, 2016. Our company has revised the test plan based on the valuable opinions put forward at the meeting, and plans to revise k1 125 200-1 125 400 and 111322-011 on March 26, 2016.