Over 200 intelligent coal mining faces have been built nationwide, and coal mines will be basically intelligent by 2035
Sitting on the ground coal mining
In the dark mines, the miners with gray heads and soil are busy nervously ... Many people have such impressions of coal mines. However, some coal mines today show another scene: the underground roadway is clean and bright, and the staff sits in the centralized control room on the ground. With a single press, they can direct the coal mining equipment to complete the operation. The whole process is clean and dust-free. Machine separation.
China is the world's largest coal producer. The National Development and Reform Commission and other 8 departments recently issued the "Guiding Opinions on Accelerating the Intelligent Development of Coal Mines", proposing that by 2030, all types of coal mines will be basically intelligent.
What is the intelligence of coal mine? What are the problems? How to develop in the future?
Intelligent help, "coal mining without people" is approaching
With the remote control of the staff in the ground centralized control center, the coal mining equipment at the working surface at a depth of more than 400 meters began to operate automatically, cutting coal, pushing and sliding, moving the frame, transmitting, and rolling "Ujin" on the ground ... These scenes, 58 high-definition cameras and more than 1,000 sensors located on the 7302 working surface of Baodian Coal Mine of Shandong Yankuang Group are transmitted back to the central control center in real time and displayed on a huge electronic screen.
Qi Yuhao, director of the Equipment Management Center of Yankuang Group, said that compared with the traditional mechanized coal mining, after 7302 intelligent working faces were put into production, the number of single shift operators was reduced from 25 to 7 in the past, and the total coal mining area team was reduced by 226. When 90 people were reached, the reduction in personnel was more than 60%. "There are fewer workers, but the daily output of raw coal has increased from 15,000 tons to 20,000 tons."
Qi Yuhao said that during the prevention and control of the New Coronary Pneumonia epidemic, Yankuang Group took advantage of its smart mines, which not only solved the problem of shortage of workers in the early stage, but also reduced the number of personnel. Instead of decreasing but increasing, the coal supply was fully guaranteed.
Increasing the safety production level of coal mines and ensuring the stable supply of coal, the role of coal mine intelligence is becoming increasingly apparent. According to the National Energy Administration, coal mine intelligence is the core technical support for the high-quality development of the coal industry. It integrates artificial intelligence, industrial Internet of Things, cloud computing, big data, robots, and intelligent equipment with modern coal development and utilization to form a comprehensive perception, The intelligent system of real-time interconnection, analysis and decision-making, independent learning, dynamic prediction and collaborative control realizes the intelligent operation of coal mine development, mining (stripping), transportation, ventilation, washing and selection, safety guarantee, operation management and other processes.
Qi Yuhao pointed out that there are many "black technologies" in the 7302 working face of Baodian Coal Mine: hydraulic support for the working face that automatically sets coal according to time and frequency, coal shearer with memory cutting function, and automatic straightening of the working face LASC inertial navigation system and "one-key start and stop", stand-alone remote control visual remote monitoring, etc.
Baodian Coal Mine is a microcosm of the intelligent development of coal mines in China. In recent years, various places have accelerated the pace of coal mine intelligent construction: Henan piloted a batch of intelligent mining working faces last year, and initially established a coal mine intelligent construction and acceptance system; Guizhou carried out a mechanized and intelligent upgrade of the coal mine. The daily output of coal mining face has increased by about 1,000 tons on average; 57 intelligent coal mining faces and 54 remotely controlled tunneling faces have been built in 57 coal mines in Shandong. At present, over 200 intelligent coal mining faces have been built nationwide. Coal mining face robot groups, drilling and anchoring robots, gangue robots and inspection robots are used underground in coal mines, and the degree of coal mining mechanization has reached more than 78%.
Rely on technological innovation to make coal mines more efficient and safer
While the intelligent construction of coal mines continues to accelerate, it also faces many difficulties and challenges. Experts pointed out that the current development of intelligent coal mine construction still has problems of lagging behind the development needs of enterprises, the lack of technical standards and specifications for intelligent construction, insufficient technical equipment support, unsound R & D platforms, and lack of high-end talents.
In order to improve the level of coal mine intelligence, the National Development and Reform Commission, the Ministry of Emergency Management and other 8 departments jointly issued the "Guiding Opinions on Accelerating the Development of Coal Mine Intelligence" to promote the integration of intelligent technology and the coal industry, and clarified 10 specific tasks, including strengthening Top-level design, strengthening standard guidance, advancing technological innovation, accelerating the intelligent transformation of production coal mines, improving the intelligence level of new coal mines, building intelligent demonstration coal mines, implementing green mine construction, promoting the application of new generation information technology, exploring new service models, and accelerating talents Cultivation and many other aspects.
Academician Wang Guofa of the Chinese Academy of Engineering believes that in the intelligent development of coal mines, it is very important to strengthen top-level design and scientific planning. In the past, during the intelligent construction of some coal mining enterprises, due to the lack of overall planning and comprehensive planning and design, multiple systems were incompatible with each other, forming "data barriers" and "information chimneys", which could not play their due effects.
"To accelerate the intelligent development of coal mines, more efforts should be made to improve the level of intelligent technology and equipment." He Weida, a professor at Dongling School of Economics and Management, University of Science and Technology Beijing, said that in particular, it is necessary to strengthen the research and development of key common technologies and promote the national focus The construction of technology innovation R & D platforms such as laboratories will accelerate the construction of smart factories and digital workshops.
Li Wei, general manager of Yankuang Group, said that in recent years, Yankuang Group has invested a total of 4.5 billion yuan to actively carry out research and practice of intelligent mining. Last year, 19 intelligent coal mining face and 15 intelligent tunneling face were built in China. , The first domestic coal mine intelligent mining test center was established. "Next, Yankuang Group will take 'heavy equipment, high reliability, automation, and fewer people' as the main direction of smart mine construction, timely and accurately grasp the cutting-edge technology of intelligent mining equipment development, and rely on the intelligent mining test center to develop science and technology. Tackling key issues and steadily accelerating the pace of building intelligent mining demonstration projects. "
Intelligent development, a new generation of information technology has high hopes. The guidance proposes to explore the establishment of a national coal mine information big data platform, accelerate the promotion and application of modern information technology in the coal industry, encourage relevant local government departments to build information management cloud platforms, and promote coal enterprises to establish coal mine intelligent big data application platforms.
In Shanxi, the underground 5G technology of Xinyuan Mine of Yangmei Coal Group is advancing. "Compared to traditional mines, our ground dispatch control system has stronger control capabilities and fewer personnel on duty. Once 5G technology is implemented, the control will be more precise." Said Wang Haigang, deputy director of Xinyuan Mine.
He Weida believes that in the process of R & D, promotion and application of new technologies, on the one hand, advanced international coal mine intelligent advanced technical equipment, management concepts, service models, etc. can be introduced to strengthen cooperation with foreign companies; on the other hand, basic research and development must be strengthened Original technology promotes the development of China's coal mine intelligent technology, equipment, standards and services.
Smart coal mining, strong policy support
There are three phased goals for the intelligent development of coal mines, that is, by 2021, a variety of types and different models of intelligent demonstration coal mines will be built to basically reduce the number of people in the digging face and improve the efficiency, and the number of people in the fully mechanized face will be unmanned or unmanned. , Unattended and remote monitoring of fixed posts in underground and open-pit coal mines; by 2025, large-scale coal mines and coal mines with severe disasters will basically become intelligent, forming a technical specification and standard system for coal mine intelligent construction, robot operation in key underground posts, and realization of open-pit coal mines Intelligent continuous operation and unmanned transportation; by 2035, all types of coal mines will basically be intelligent, build a multi-industry chain, multi-system integration coal mine intelligent system, and build a smart coal mine intelligent system with intelligent perception, intelligent decision-making, and automatic execution.
How to ensure that the goal is achieved? The 8 departments including the National Development and Reform Commission made it clear that they will increase policy support. Priority support will be given to the smart demonstration coal mines that have passed the inspection and acceptance in terms of capacity replacement and mine capacity increase; for newly-built smart coal mines, priority will be given to the planning and annual plans; the coal mine-related intelligent transformation will be included in the coal mine safety technology transformation Scope, encourage financial institutions to increase support for intelligent coal mines, and encourage enterprises to initiate the establishment of relevant market-oriented funds.
Huang Qunhui, director of the Institute of Industrial Economics of the Chinese Academy of Social Sciences, introduced that since last year major coal-producing provinces such as Shandong, Henan, Guizhou, Shanxi, and Shaanxi have clearly given priority to providing budget support, funding subsidies, prior approval or approval, and encouraging the release of advanced production capacity. A series of support measures are self-evident for coal companies to improve their intelligence.
"The document issued this time further strengthens the confidence of Yankuang Group to carry out intelligent mining in coal mines." Li Wei said that Yankuang Group has put forward clear targets for the construction of smart mines, including a class of mines that achieves no more than 100 people in each shift. , No more than 5 people in coal mining and driving face; No more than 200 people per shift in the second class mine, no more than 7 people in coal mining and driving face; No more than 300 people in the third class mine. No more than 8 people in the coal and tunneling face.
Li Wei introduced that from this year to 2025, Yankuang Group plans to invest 9 billion yuan to ensure that the construction of intelligent mines is effective every year. By 2035, strive to achieve intelligent mining in all coal mines, and comprehensively promote robotic operations.
The linkage between government and enterprise makes the development prospect of coal mine intelligentization promising. Huang Qunhui believes that intelligence is the development direction of traditional industries, and the support measures issued by various departments in various places are a powerful push for the promotion of coal mine intelligence.
"Intelligence in coal mines is conducive to improving production efficiency and achieving accurate exploration. It can also extend the industrial chain of coal enterprises and create new industries such as coal mine intelligent equipment and coal mine robot R & D and manufacturing. Its development prospects are worth looking forward to." He Weida said. But he also reminded that in accelerating the intelligent development of coal mines, it is necessary to fully consider cost control issues, and at the same time, environmental protection should be included as an important content, and a clean, low-carbon, safe and efficient coal industrial system should be built.
Qiu Haifeng Li Jiabei