This regulation specifies the content and requirements for safe operation beneficiation plant tail miners.
This procedure applies to the tail miners of the concentrator.
2 content
2.1 The tail miners are special operations personnel of the mine. They must undergo safety training and obtain the qualification for safe operation before they can be certified. Wear safety helmets such as helmets and employee cards before you go to work.
2.2 Work in strict accordance with the tailings work industry guidance.
2.3 The tailings dam discharge pipe shall be operated in strict accordance with the design requirements when piping and withdrawing pipes. A geotextile wrap is applied to each joint to prevent the slurry from leaking from the joint.
2.4 When discharging the mine, first check whether the ore pipe is leaking or not, and whether the valve is good. During mining, it is necessary to maintain the relative flatness of the sedimentary beach surface to prevent the slurry from flowing back to the dam. The impact location, strength and impact time of the ore deposit should be adjusted according to the length of the sedimentation beach and the height of the sedimentation beach. The single point of ore mining, or single head mining, to prevent the concentration of fine particles, causing bad hidden dangers to the dam. When releasing mines, there should be special personnel to manage, patrol, and not to leave the post without permission.
2.5 The coarse tailings are deposited in front of the dam, and the fine tailings are discharged into the reservoir. A large area of ​​slime deposit is not allowed in the sedimentary beach.
2.6 Ensure that the water level observation gauge in the reservoir is conspicuous, clear, firm and associated with the absolute elevation;
2.7 The dam crest and sedimentary beach surface should be evenly leveled. The sedimentation beach length and the minimum elevation of the beach top must meet the safety high position difference (more than 1 m) in flood control design requirements.
2.8 Under the premise of meeting the requirements of return water quality and water quantity, the storage area of ​​the reservoir area should be reduced to the minimum safe water level; the minimum elevation of the highest sub-dam and water surface should be no less than 1 meter; the length of dry land during normal operation should be no less than 120 meters; The waterside line should remain substantially parallel to the dam axis.
2.9 Conduct inspections in strict accordance with the tailings pond patrol system. Keep lighting fixtures at night and prevent bites from being bitten by snakes during the summer. Pay attention to the surrounding environment during the winter patrol to avoid emptying, or slipping on the road.
2.10 When patrolling the dam, it is necessary to ensure that two or more people accompany the patrol. Before going out, you must check whether the walkie-talkie and other communication equipment are normal, and make sure you can contact the staff on duty at any time.
2.11 The tailings dam shall not be less than three persons on duty.
2.12 Three or more persons must be allowed to enter the drainage well for inspection during the inspection of the drainage structure. Wear safety equipment as required.
2.13 In the process of patrolling the dam, if it is found that the activities of the tailings reservoir are safely produced, it shall be stopped in time and reported to the higher level.
2.14 If a dangerous situation is discovered, it shall be reported to the superior in a timely manner, and if necessary, the right to take the right to take correct measures.
2.15 Life jackets and other protective equipment must be properly worn when working on the water. There must be a safety guardrail when working on the pontoon.
2.16 After the pontoon is set up, carefully check whether the connection points and fixing points are secure, and ensure that the pontoon is stable before it can be applied.
2.17 Add the shaft cover in strict accordance with the design requirements.
2.18 A safety net shall be laid in the well before the shaft cover is added. The worker near the well shall fix the safety rope on the safety buckle of the shaft before working.
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