Emergency: mine water inrush prevention and emergency rescue

Technical measures for prevention and control of water penetration and emergency plans

1. Technical measures for prevention and control of water safety

1, regular collection, collation and coal mine surveys and discarding the old kiln case adjacent, and mark its position on the well, under the control of FIG, mining area, mining life, water and so on.

2. Establish a groundwater dynamic observation system for the main aquifers (segments), conduct groundwater dynamic observations, water damage predictions, and formulate corresponding comprehensive measures for “exploration, prevention, blocking, interception and drainage”.

3. It is necessary to adhere to the principle of “predicting and forecasting, having to explore, discovering and excavating, and treating first and then collecting”, and must insist that there is doubt.

4. During the excavation process, the wells must be explored and excavated to grasp the hydrological situation of the goaf in the front and above. If any flooding is found, measures should be taken in time. After the safety is determined, the excavation will be carried out and the position of the water outlet will be taken. Marked on the top and bottom of the well or on the mining drawing. The main water outlets or sections exposed in the wells must be comprehensively observed and analyzed for groundwater dynamics such as water temperature, water volume, water quality, and sand content of loose aquifers to prevent lag water inrush.

5. In the mining work surface or other places, there are red, sweat, air cooling, fog, water, roof water, roof pressure, floor bulging or cracking, water seepage, water color, When there is a scent and other signs of water inrush, it is necessary to stop the operation, take measures, immediately report to the mine dispatching room, issue an alarm, and evacuate all the people in the water-threatening location.

6. The underground and ground drainage drains are kept open and cleaned up in time. A comprehensive inspection of the mine water prevention and control work is carried out before the rainy season every year, and a flood prevention and rescue team is set up, and sufficient flood prevention and rescue materials are reserved.

7. The investigation of the small kiln and the old kiln on the ground should be strengthened and marked in the measured mining engineering drawing, and the red line for exploration and release should be delineated. When approaching the water line, the water exploration and drainage measures must be taken.

8. It is necessary to first check the water supply and leakage of the surface water flow system in the mining area and its vicinity, and master the local precipitation and the highest flood level data to establish a hydrophobic, waterproof and drainage system.

9. Buildings in industrial sites must be built with flood control ditches or other measures to prevent and drain.

10. In view of the possibility that surface water bodies near the wellhead and in the subsidence area may break into the underground, the following provisions should be observed:

1 It is strictly forbidden to mine the waterproof coal pillars of the coal seam outcrop line.

2 The place where water is easy to accumulate should be constructed to drain water. When constructing a ditch, the outcrops, fissures and water-conducting rock layers should be avoided. Especially when the low-lying areas cannot be constructed to drain the ditch, the compaction should be filled to prevent the accumulated water from entering the well.

3 mine water discharged to the ground must be properly disposed of to avoid re-infiltration into the well.

4 For the flood discharge ditch, the leakage should be timely, the ground cracks and collapse must be filled, and the filling work must have safety measures to prevent personnel from falling into the collapse pit.

2. Emergency rescue plan for water seepage accidents

1. After a flood accident occurs in the mine, the drainage rescue work should be organized at the fastest speed and every second. In the rescue, it is necessary to organize and direct disaster relief according to the actual situation of the flooding accident site. When the amount of water permeation is small, some of the mining areas or horizontal roadways are flooded after permeable, so that personnel in some mining areas are blocked or submerged by water. Rescue should be organized from two aspects: First, the ambulance team should be quickly organized to detect all the locations on the water level, to find all the personnel on the flooded level, and to find out the exact number of people being flooded. If the water level is rising and the ambulance team enters the single-headed reconnaissance or rescue personnel, it must send people to observe the growth of the water level at the exit outside the single-headed flat road to prevent the water level from blocking the circuit of the ambulance personnel; Use all the access to the flooded area to organize forces and drain the rescue.

2. In the rescue of flood accidents, it is necessary to carefully analyze and judge the location of the people in distress who are blocked by water. It is necessary to investigate in detail the condition of the roadway that is flooded or blocked by water and the working place of the person in distress, and analyze the possible escape from the water. Direction, to determine whether the person in distress has the conditions for survival. The command must use the rescue of living people as the guiding ideology to deploy various rescue work. If the water level is higher than the location of the person in distress, the conclusion that the victim has died will be easily made. Otherwise, the fighter will be delayed and the rescue should be saved. The death of the person.

3. Treatment after a water inrush accident

1 After a water inrush accident occurs in a local mining site, the personnel at the accident site shall immediately report the emergency rescue command. The person responsible for the construction of the accident site shall be based on the site conditions, the emergency rescue command arrangement and the annual disaster prevention and treatment plan of Ruixiang Coal Mine. The prescribed evacuation route immediately organizes evacuation and evacuates the construction personnel to a safe place.

2 The mine dispatching room reports the duty leaders and relevant units and personnel according to the accident reporting procedure. After receiving the notice, the production department and the relevant mining area team shall immediately carry the relevant materials and wait in the dispatching room or designated place.

3 The mine manager is the full authority commander of the water inrush accident. With the assistance of the chief engineer of the mine, the relevant leaders of the company and the captain of the mine rescue team, the rescue personnel and the accident plan are formulated. Before the mine manager did not arrive, the deputy head of the shift (head of duty) was in charge of the command.

4 Under the leadership of the mine manager, the chief engineer of the mine organizes and analyzes the causes of the accident, the nature of the accident, the extent of the damage, the scope of the damage, and other factors, and formulates the operational plan for rescuing the people in distress and handling the accident.

5 The deputy mine manager is responsible for organizing the personnel necessary for handling the accident according to the rescue plan for the rescued personnel and handling the accident, and timely mobilizing the equipment materials necessary for the disaster relief, and strictly controlling the entry and raise personnel by the designated deputy mine manager and issuing A special permit for the entry of a rescue accident.

6 Other unit personnel carry out ambulance work according to the instructions of the mine manager and the duties of the relevant personnel in the rescue process of the mine major accident.

7 During the occurrence of a water inrush accident or other circumstances, the amount of water in the well shall exceed the normal water inflow. If there is a flood in the well, the personnel on duty should immediately report to the emergency rescue headquarters. The mechanical and electrical section chief and relevant engineering and technical personnel shall be arranged to immediately direct the drainage work to the pump house, and arrange for a special person to command the evacuation of personnel at the bottom of the well. At the same time, a comprehensive power outage is made to the water inrush area to prevent people from getting an electric shock in the water.

(4) Treatment after a slurry collapse accident

1 Anyone who finds water inrush or collapse should immediately report to the mine dispatching room.

2 When initial water inrush or fouling is not serious, on-site personnel should make full use of all available equipment, materials and other available conditions on site to deal with them on site.

3 If the water inrush or the slurry is serious and the site personnel cannot handle it, the personnel in the threatened area must be actively organized and evacuated quickly.

4 After receiving the report, the mine dispatching room will report the relevant leaders immediately, and should immediately notify the threatened personnel to evacuate the working place as soon as possible according to the location, scale and scope of the water inrush, and inform the relevant personnel to organize the disaster relief plan. Quickly identify the causes and organize disaster areas and threatened personnel, and quickly organize mine rescue teams to rescue people in distress.

5 Cut off the water from the water and the area affected by the slurry.

6 Unblock the discharge water inrush and the slurry system, and discharge the slurry water in time to prevent the roadway from being filled and affecting normal ventilation.

7 If the scale of the accident is large and the slurry is severe, which affects normal ventilation, personnel who may affect the normal ventilation should be notified to evacuate the site and stop production.

8 Organize personnel to quickly excavate the slurry, dredge the roadway, and ensure an effective ventilation section.

9 After the water inrush and slurry collapse accidents are completed, the water inrush and the slurry channel are blocked to restore the normal production of the affected area.

4. Self-rescue and mutual rescue of mine permeable accidents

(1) After the flooding accident occurs, it should be withdrawn as far as possible, and the evacuation route should be quickly evacuated to the highest point according to the regulations.

(2) Persons who cannot be withdrawn from the flooded waters should quickly enter the refuge chamber to avoid disasters and leave obvious signs outside the hustle and bustle.

(3) During the disaster avoidance period, we must constantly send out a distress signal and wait for rescue.

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