Intelligent Overall System for Open-pit Mines

With the transformation of old and new kinetic energy and the continuous advancement of supply-side structural reform, the society development has entered a new intelligent era. The traditional extensive development model is unsustainable, and the pressure of resource, economic and ecological security is increasing. In order to realize the transformation from a major mining power to a great mining power, and shape China's mining industry image in the new era, the mine construction in China must run down the innovative road.

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With the transformation of old and new kinetic energy and the continuous advancement of supply-side structural reform, the society development has entered a new intelligent era. The traditional extensive development model is unsustainable, and the pressure of resource, economic and ecological security is increasing. In order to realize the transformation from a major mining power to a great mining power, and shape China's mining industry image in the new era, the mine construction in China must run down the innovative road. At present, intelligent technology has played an increasingly important role in various fields, and the intelligent mine operation has become an inevitable trend, and has become a technology hotspot and development direction in the global mining field. Therefore, under the current trend of intelligent mine construction, it is of great significance to use technologies such as network, big data, Internet of Things and artificial intelligence to realize quick and efficient dispatching, commanding, and decision-making, assisting the development of enterprise science and technology, and building a first-class green intelligent mine.According to the production process of underground mining, it mainly involves establishing resource reserve model- preparing planning- production and mineral proportioning - large fixed facilities - transportation statistics - planning monitoring and other production management links. The construction of intelligent mines adopts cutting-edge technologies such as the Internet of Things, big data, AI and 5G. Integrate intelligent technology and management to build a comprehensive new modern intelligent production management and control platform for underground mining.Benefit Intelligent mine construction will optimize the rational allocation of open-pit mine resources, improve management, reduce accident rates, increase production efficiency by 3%-12%, reduce diesel consumption by 5%-9%, and reduce tire consumption by 8%-30%. It can reduce the blasting cost by 2%-4%, prolong the service life of the mine; improve the management level of ore proportioning, and through the system, the bottlenecks affecting the efficiency and the stability of ore proportioning in the production organization can be found in time. The comprehensive utilization of resources has been realized, and the concept of waste-free mining and green mountains and clear waters is invaluable. After the comprehensive utilization of resources, the mine has reduced the land occupation of waste rock discharge.Data center Adopting advanced design concepts combined with mature mainstream technologies, building the central computer room into an advanced data center, and building an open, shared, and collaborative intelligent manufacturing industry ecology is an important model and best practice for enterprise information construction. It is a necessary means for enterprise data information management and efficient utilization,which is also a core capability for the sustainable development of enterprises. Intelligent Decision Center It uses the data in the data center to analyze and process it through query and analysis tools, data mining tools, intelligent modeling tools, and finally presents the knowledge to managers to provide support for managers' decision-making process. Intelligent operation center As an intelligent operation center for enterprise strategy decomposition and implementation, its main functions are to realize collaborative operation among subordinate enterprises and with external stakeholders, as well as the unified balanced scheduling, collaborative sharing and optimal allocation of human, financial, material and other resources. Intelligent production center The intelligent production center is responsible for the automatic control and management of the whole mine production system and equipment. The system center equipment of the whole factory, such as wired and wireless communication, personnel positioning, closed-circuit monitoring and information are installed in the production center. Form a plant-wide control, display and monitoring center. Intelligent maintenance center The intelligent maintenance center conducts centralized and unified management and control of the company's maintenance and repair through the intelligent maintenance platform, integrates maintenance resources, deepens maintenance force, and escorts the stable operation of the company's production equipment. 3D Geological Modeling and Reserve Calculation Starting from the basic data such as the drilling data or the mining layered plan, according to the production process sequence in the open-pit mine, carry out visual modeling management for the geology, survey, mining plan, blasting, production with digging, shoveling and loading and production acceptance of stope (bench); and unify the geology, survey (trenching acceptance), mining plan, blasting design, production execution, stope production acceptance and other professional work of mine production into one visual platform.3D visualization control The centralized visualization of underground mine safety production is realized through the 3D visualization platform. Based on the mine production, safety monitoring data and spatial database, the 3D visualization and virtual environment of mine resources and mining environment are used as the platform, using 3D GIS, VR and other technical means. Carry out 3D digital modeling for open-pit deposit geology, ore pile, bench, transportation roads and other production process and phenomena, to realize real-time 3D display of mine production environment and safety monitoring, form 3D visual integration, and support production and operation management and control.Intelligent truck dispatching The system controls and manages the whole process of loading, transportation and unloading via computers, aiming at loading and unloading points there are no trucks waiting for, which gives full play to the equipment efficiency, ensure the full load of the operating equipment, and achieve accurate ore proportioning; automatically realize the rational allocation and utilization of production resources, so as to achieve the highest efficiency, improve the use efficiency of trucks and electric shovels, and complete more production tasks with the same number of equipment and the lowest consumption.Personnel positioning system GPS/Beidou high-precision positioning and 5G network transmission technology are used in outdoor areas, and positioning and signal return are carried out by wearing wearable devices such as badges, wristbands, and safety helmets, which can be displayed in real time during 3D visualization. The location distribution can be queried in real time, and functions such as target tracking, trajectory query, and automatic report generation can be realized.Video surveillance system in the whole mining area The video surveillance system proposes all-round solutions for video surveillance, signal transmission, central control, remote supervision, etc., which can realize the networking of the mine and the monitoring center, and make the mine safety management stride towards a scientific, standardized and digital management track, and improve the safety management level. The video surveillance system uses AI technology to automatically identify various violations such as personnel not wearing safety helmet and mining crossing the border.Environmental Monitoring System The environmental monitoring system has functions of PM2.5 and PM10 monitoring, environmental temperature and humidity, wind speed and direction, and noise monitoring. It also has functions of online real-time monitoring, video monitoring, relay control, data management, and alarm management. Automatic online monitoring system of slope GPS/BeiDou high-precision positioning and 5G network transmission technology are adopted to realize the real-time online monitoring of rainfall in the whole mining area, timely online monitor slope surface displacement and environment in the landslide prone area under mining and the areas that have been mined with environment repaired, monitor the slope displacement impact and mining environment, and provide early warning and analysis functions, which can preview the slope changes, providing a reliable and comprehensive monitoring data for slope safety monitoring. The monitoring results are uploaded to the control center in real time and displayed timely on the 3D visualization platform.Production command center The display system of the production command center is designed and implemented via LCD screen splicing technology, multi-screen image processing technology, multi-channel signal switching technology, network technology, and centralized control technology. It is a large screen display system with high brightness and definition, intelligent control and the most advanced operation methods.Driverless truck system Use high-precision satellite positioning and inertial navigation and install some sensing equipment and control components as assistance, formulate equipment transportation trajectories, and issue transportation trajectories for each equipment through the scheduling platform to realize the automatic tracking driving of unmanned transportation equipment according to the fixed route, and complete the whole process of loading, transportation and unloading, as well as necessary water, refueling and other support operations.Remote control of shovel equipment The remote control of shovel equipment has a wide range of application scenarios, especially in harsh environments and dangerous areas, such as remote mining areas, mining goafs and other areas that personnel cannot reached. It will greatly improve the operation efficiency, save manpower and ensure the safety of personnel.

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