1. Undertake the "Eleventh Five-Year Plan" National Science and Technology Support Plan Project
1) In the "Eleventh Five-Year Plan" National Science and Technology Support Plan key project "Key Technologies and Efficient Mining and Preparation of Coal Resources" In the equipment research and development", it is responsible for "deep alluvial layer freezing method drilling technology", "key technology for rapid excavation of thick coal seams", "key technology for electromechanical integrated mining of thin coal seams", "key technology for safe and efficient mining under large water bodies", "key technologies for coal Research on key technologies for column and irregular block mining” and “key technologies for efficient separation of difficult coal”.
2) In the "Eleventh Five-Year Plan" National Science and Technology Support Plan key project "Key Equipment and Technologies for Efficient and Intensive Mining of Coal", we are responsible for the "Complete set of technologies and equipment for short-wall mechanized mining of medium-thick coal seams", " Semi-coal rock and rock tunnel excavation technology and equipment", "Underground trackless auxiliary transportation key equipment and equipment", "Large-section coal tunnel rapid excavation technology and equipment", "Large mining height fully mechanized caving working face rapid moving technology and equipment research and development" topics Research.
3) In the "Eleventh Five-Year Plan" National Science and Technology Support Plan safety project "Research on Key Technologies for Emergency Rescue of Major Disasters in Underground Mines", we undertook the research on "Key Technologies and Equipment for Rapid Rescue of Persons in Distress".
4) In the "Eleventh Five-Year Plan" National Science and Technology Support Plan safety project "Key Technologies and Equipment for Water Damage Detection and Prevention in Old Mine Vacant Areas", we undertook the research on "Technology and Equipment for Rapid Mine Water Damage Control".
2. Undertake the national high-tech research and development "863" plan project
Undertake the national "863" plan project "Development of ash, moisture, calorific value, viscosity, and density detection devices" Research.
3. Undertake the "973" project of the National Key Basic Research and Development Plan
Undertake the "973" project of the National Key Basic Research and Development Plan "Deep Coal and Rock Mass Stress Field and Mining Superposition Effect" Research on three topics: "Research on the mechanism of rock burst under high-intensity mining and large mining depth conditions" and "Research on characteristics of mining stress field and fracture field and coupling effect with gas flow field". 1. "Complete set of technologies and equipment for fully mechanized mining with an annual output of 6 million tons at high mining heights", including key technologies for efficient fully mechanized mining of 4-5m thick coal seams, large mining heights, high-power electric traction shearers, and two-pillar shielded large mining heights Powerful hydraulic supports and their electro-hydraulic control technology, high-power heavy-duty scraper conveyors, transfer machines, crushers and other new technologies and products. The successful development of complete sets of technology and equipment for large mining height and one-time full-height fully mechanized mining with an annual output of 6 million tons has filled the gap in domestic high-end fully mechanized mining complete sets of equipment and can completely replace imported similar equipment.
2. "Development of EML340 high-efficiency continuous coal mining machine", "Development of support truck", "Development of four-arm anchor drilling rig" and "WD13 shuttle" completed by Shanxi Coal Machinery Equipment Co., Ltd. Four special fund projects for technology development and research of scientific research institutes of the Ministry of Science and Technology, including the "Development of Trucks", passed expert acceptance and provided high-level equipment for short-wall mining, room-and-pillar mining and hydraulic support handling, filling a domestic gap.
3. The National Ministry of Science and Technology’s scientific research institute technology development research special fund project “Research on Rapid Chemical Reinforcement Technology and Materials for Extremely Fragmented Coal and Rock Masses” completed by Tiandi Technology Mining Design Division and the social welfare special project “Coal Mine The "Green Fill Mining Technology Research" project passed expert acceptance.
The new urea-formaldehyde grouting material developed by "Research on Rapid Chemical Reinforcement Technology and Materials of Extremely Broken Coal and Rock Masses" has the characteristics of low viscosity, strong penetration, and high strength after curing; the new polyurethane plugging developed Water reinforcement materials have good reinforcement performance under the condition of large-scale water spraying of broken coal and rock masses; we have developed high-strength drilling, anchoring, and injection-integrated anchors, hole sealers of different sizes, and supporting construction tools, and have achieved good results in field applications. Effect.
"Research on Green Backfill Mining Technology in Coal Mines" analyzes the main controlling factors that affect the subsidence effect of backfill strip mining, and conducts simulation experiments on filling material gradation and the filling body-coal pillar for backfill strip mining. -Numerical simulation study of surrounding rock stress and surface subsidence, and on-site observation of coal pillar stress.
The proposed technology of filling and mining small strips of gangue under permanent coal pillars and dense buildings provides a new technological approach for the construction of green mines without the gangue leaving the well, and has broad prospects for promotion and application.
4. The "Mine Multifunctional Mobile and Disaster Relief Communication System", "Coal Mine Safety Production Information Remote Monitoring System", and "Underground Personnel Monitoring and Positioning System Development" completed by Tiandi Technology Changzhou Automation Branch A national technological innovation project and a special project of scientific research institutes "Research on Spread Spectrum Communication Technology in Coal Mines" have undergone expert acceptance.
The "Mine Multifunctional Mobile and Disaster Relief Communication System" project has developed mobile and disaster relief communications with voice, data and image transmission functions based on the characteristics of my country's coal mines, and can realize disaster relief communication functions in emergencies. system, expanding wireless coverage.
The "Coal Mine Safety Production Information Remote Monitoring System" project successfully developed a coal mine safety production information remote monitoring system and established a hierarchical processing mechanism for coal mine monitoring data to provide coal mine safety supervision, inspection, and management departments with the mine environmental safety Provides a platform for remote real-time monitoring of information.
The "Underground Personnel Monitoring and Positioning System Development" project successfully developed a coal mine personnel positioning system and a buried personnel detector based on RFID radio frequency identification technology for the first time in China. The system has a statistical attendance function, and the detector has initially Has detection function.
The "Coal Mine Spread Spectrum Communication Technology Research" project successfully developed an underground coal mine wireless communication system based on CDMA technology for the first time, realizing mine dispatching communication that integrates wired communication and wireless communication networks, and has data and image transmission Function.
5. The MG320/710-WD and MG300/720-AWD AC traction shearers successfully developed by Tiandi Technology Shanghai Branch have filled the short-body market in my country in the field of thin coal seams and medium-thin coal seams. There is a gap in high-power electric traction shearers, which are comprehensive mechanized mining equipment for thin and medium-thin coal seams with relatively high comprehensive performance indicators in China. The MG160/375-WD AC electric traction shearer designed and developed for small and medium-sized coal mines has reached the domestic level. Leading level, it provides technical means for small and medium-sized coal mines to achieve high yield and efficient production.
6. The "rapid testing method and equipment for underground geostress parameters in coal mines" invented by Tiandi Technology Co., Ltd. was granted an invention patent.