A brief discussion on how to prevent and control water in mines

How to do a good job in water prevention and control in integrated coal mines? Based on my own work experience, I believe that the following points should be done:

1. Improve water prevention and control institutions and enrich water prevention and control expertise. personnel and implement the responsibility system for water safety prevention and control in coal mines. If the water prevention and control personnel are not fully deployed or the technical force is weak, there will be no ability to implement water prevention and control plans and annual water prevention and control plans. If the basic work is not done well, it will be impossible to carry out water prevention and control work. Therefore, we must improve the water prevention and control institutions and introduce or recruit hydrologist Geological professional and technical personnel. In addition, it is necessary to establish and improve various management systems such as a water damage prevention and control post responsibility system, a water damage prevention and control technical management system, a water damage prediction and forecasting system, a water damage hazard investigation and treatment system, a professional water exploration and release system, and a water damage suspension and evacuation system. Equip special water exploration and drainage equipment and establish a special water exploration and drainage team.

2. Prepare and implement water prevention and control plans and annual water prevention and control plans. Integrated mines should comprehensively analyze the threat level and prevention difficulty of water damage based on the hydrogeological characteristics of the mining area and the characteristics of water damage accidents that have occurred over the years, and prepare a mine water prevention and control plan. On this basis, combined with the characteristics of water damage in the mine, an annual water prevention and control plan should be prepared. The person in charge of the mine must make work arrangements according to the water prevention and control plans and plans to ensure that people, property and materials are in place. The technical person in charge should propose a specific implementation plan for water prevention and control based on the actual degree of water damage in the mine, improve the job responsibility system at all levels, and use various safety management systems and measures as guarantees to ensure link control, strictly prohibit non-detection, and prevent false detection. .

3. Strengthen training and education to improve water hazard prevention awareness and skills. Through training, we should establish the concept of water prevention and control in coal mines, enhance water safety awareness, and master and identify basic knowledge such as signs of water damage and treatment measures. All personnel involved in water prevention and control work must participate in training. Those who have not been trained or who are unqualified in training are not allowed to work. All underground employees must be trained on water prevention and control knowledge to ensure that employees have the necessary knowledge on water prevention and control and have the ability to withstand floods and emergency avoidance. Improve the analysis and judgment ability of professional and technical personnel to achieve comprehensive analysis and advance prediction of water damage. It is necessary to strengthen the role of warning education on coal mine accidents, analyze each accident carefully, learn lessons deeply, and learn the lessons of water damage accidents in coal mines, carry out warning education activities, and popularize water prevention and control knowledge, water damage identification knowledge, and emergency hazard avoidance knowledge, so that Employees "use their eyes to observe, use their hearts to feel, use their heads to think, and use their actions to change" to promote water prevention and control and effectively prevent similar water damage accidents.

4. Strengthen the "three preventions in rainy season" work. It is necessary to establish a leading organization for the "three preventions" in the rainy season, form a rescue team, prepare emergency plans, organize rescue drills, arrange and implement the "three preventions" project plans in the rainy season, formulate and strictly implement water prevention and control measures in the rainy season, reserve sufficient flood control and rescue materials, and In the rainy season, the "three preventions" leading organizations, rescue teams, rescue supplies, emergency plans, engineering plans, and prevention and control measures are "six in place". Conduct a comprehensive overhaul and joint drainage test of mine drainage equipment and power supply facilities. Measures such as blocking leaks or diversion of ditches and riverbeds in areas with leaking water such as rivers, ditches, puddles, ground subsidence areas, and ancient wellheads in mining areas are strictly prohibited. It is strictly prohibited to increase the upper limit of coal seam mining without authorization. When threatened by rivers, flash floods and landslides, flood control dams, flood discharge channels and other measures must be checked regularly, and a 24-hour duty and leadership system must be implemented. Strengthen contact with the local meteorological department to promptly prevent and deal with flood season dangers scientifically and decisively. Every time it rains heavily and after it rains, the mine must send special personnel to check whether there are cracks, collapse of old kilns, karst collapse and other phenomena on the ground in and around the mining area. If water leakage is discovered, follow-up leaders and dispatchers must issue instructions to immediately stop production and evacuate workers.

5. Strengthen on-site management and special rectification, and conscientiously implement relevant regulations on water exploration and release. When integrating coal mines, the "Regulations on Water Prevention and Control in Coal Mines" must be conscientiously implemented. For areas threatened by water hazards, water exploration and drainage designs must be prepared in a timely manner and water exploration and drainage must be carried out strictly in accordance with the design. It is necessary to resolutely implement the principle of "exploring when there is excavation, exploring when mining, exploring first before digging, exploring first before mining", and it is strictly forbidden to produce operations when the hydrogeological conditions are unclear and there is no exploration before mining.

By establishing an incentive mechanism for water exploration and release, an acceptance system, and a piece-rate system for water exploration and release drilling projects, we fully mobilize the enthusiasm of district team employees and truly achieve "geophysical prospecting first, drilling verification, exploration if necessary, and no progress without exploration" to ensure that exploration The quality of water discharge boreholes meets relevant regulations on water prevention and control. Adhere to the inspection system. If the excavation team does not conduct water exploration and release according to the design, procedures and measures, if the depth of the water exploration drilling does not meet the requirements or the water exploration advance distance is less than the regulations, the safety supervisor has the right to ask to stop the operation and report to the superior. Report; if signs of water inrush are found or water inrush is likely to occur, an order to stop operations and evacuate personnel must be issued immediately and reported to superiors. The chief engineer of the mine will appoint specialized water prevention and control technicians and teams to deal with it. For excavation and coal mining teams working underground, workers on duty who do not have follow-up cadres or safety supervisors have the right not to start work. Those who do not have air pressure and drainage pipelines in place cannot dig forward. The occurrence of "three violations" is strictly prohibited. It is necessary to leave sufficient water-proof coal pillars in accordance with the relevant requirements of the "Coal Mine Safety Regulations" and "Water Prevention and Control Regulations", and it is strictly prohibited to carry out mining activities in various types of water-proof coal pillars. A special water exploration and drainage drilling rig must be used to explore and release water underground. The use of coal-electric drilling to release water is strictly prohibited. Mines must carry out timely investigation and treatment of hidden dangers of mine water hazards, and implement comprehensive management measures of "prevention, blocking, dredging, drainage and interception" based on the analysis of mine water filling conditions.

6. Strengthen the management of mine hydrogeological data and strictly review geological reports. Integrate coal mines to improve various basic geological data for water prevention and control in accordance with the relevant requirements of the "Regulations on Water Prevention and Control", and compile relevant maps such as mine water filling maps. The content of the maps must be true, reliable and digitized. Establish relevant basic accounts such as mine water inflow observation results and meteorological data to provide scientific basis for decision-making on water prevention and control.

The prevention and control of water disasters in coal mines is complex and arduous in the long term. We firmly believe that as long as we attach great importance to it, manage it scientifically, and strictly implement various water prevention and control rules and regulations, water safety in coal mines can be achieved.