Safety Technology "four batches" project made a major breakthrough

· Generated 173 major scientific and technological research results · 82 advanced technical equipment has been applied in 5225 enterprises (mines) ·The establishment of 31 national safety production technology support system professional center laboratory and put into use ·Collecting key scientific and technological projects for more than 1,000 consecutive years The reporter learned from the "four batches" project safety communication and promotion site of safety technology that China has promoted safety technology research, transformation of scientific and technological achievements and promotion and application of advanced technologies since the promotion of the "four batches" of safety technology in 2012. Significant progress. Among them, security technology has made major breakthroughs. On the one hand, after active efforts, in 2014, the Ministry of Science and Technology arranged a large number of key projects for the safe production of national science and technology plans, reaching 69. On the other hand, the “four batches” of safety technology research projects have overcome a number of major scientific and technological problems that constrain safety production, resulting in a total of 173 research results and 330 patents. The transformation of scientific and technological achievements and the promotion and application of advanced technologies have achieved remarkable results. A total of 82 conversion and promotion projects generate advanced technology and equipment that has been applied in 5,225 enterprises (mines). The ability to support the development of “four batches” of safety technology has significantly improved, and has enhanced endogenous power for technological innovation. A total of 31 national safety production technology support system professional central laboratories and 94 provincial safety production technology center laboratories were built and put into use, and a new national key laboratory for coal mine disaster dynamics and control was established. In the past two years, the “four batches” of safety technology has become the most influential brand in the development of safety technology. The key scientific and technological projects collected by the State Administration of Work Safety have reported more than 1,000 applications for two consecutive years, and the self-raised research and development funds of enterprises have reached more than 6 billion yuan. The reporter also learned that the State Administration of Safety Supervision has strengthened the top-level design, and has organized and issued two top-level designs for coal mine gas and water hazard prevention and control technology development strategies, clarifying the major requirements for the safety production technology and the state of the existing technology. The next step will be to develop countermeasures for the development of disaster prevention and control technologies in areas such as non-coal mines, hazardous chemicals and dust. In addition, the General Administration is about to release a list of safety technology support platforms, and will launch a new batch of safety technology “four batches” of project selection. Safety technology research breakthrough project The underground drilling horizontal rig of coal mine has a maximum drilling depth of 1,881 meters, which greatly improves the gas drainage efficiency. High-resolution 3D seismic survey can detect faults with a drop of more than 3 to 5 meters within a depth of 1000 meters and collapse columns with a diameter of more than 20 meters. Combined with the active rapid pressure measurement technology of grouting and qi, it overcomes the unfavorable factors such as cracks and can accurately measure the gas pressure within 3 days. The particle sealing technology and equipment have been developed, which effectively solves the problem of air leakage in the fracture field outside the hole. The average gas extraction concentration of single hole is more than 45%. Through the ground communication technology and equipment, the 800 m voice and text two-way communication in the well is realized. Wisdom line technology offers the possibility to achieve even coverage of wireless networks within complex confined spaces and large petrochemical installations on the ground. With satellite and fiber optic monitoring technology, the monitoring error of displacement and deformation of open and tailings dams can be controlled within 0.1 mm. Remote sensing monitoring and early warning positioning technology for long-distance pipeline leakage of hazardous chemicals, the accuracy of on-site information collection has increased to 0.5 meters. The large-diameter fast-drilling rig can quickly open the life channel, the maximum drilling diameter can reach 0.8 meters, and the maximum drilling depth can reach 700 meters. The flexible plugging technology enables rapid sealing of leaks of toxic and explosive chemicals within 10 minutes. The high-power mine submersible pump has a maximum power of 4,000 kW, a maximum lift of 1,700 meters and a maximum flow of 1,100 cubic meters per hour. Significant achievements in the transformation of scientific and technological achievements and the promotion and application of advanced technologies      Six achievements including the measurement device for drilling while the real-time diagnostic system for coal and gas outbursts were selected into the national key new product plan.      Advanced gas sensors such as infrared and laser realize industrial applications and begin to gradually replace traditional catalytic component sensors.      The comprehensive monitoring technology of coal mine safety production has been upgraded and applied in large areas. The online monitoring and monitoring system for the whole process of tailings pond has been applied in 931 large tailings ponds nationwide, and the dam break accidents have been basically controlled. The major hazard source safety monitoring and accident emergency decision-making system has realized the functions of daily supervision, monitoring and early warning and auxiliary decision-making of major hazard sources, and guaranteed the production safety of chemical parks and major hazard source enterprises.

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