The supporting equipment of emergency refuge facilities shall comply with the provisions of relevant standards. ? Those included in the management of safety marks shall obtain the safety marks for the products used in coal mines. The movable rescue capsule shall comply with relevant regulations and obtain the safety mark of coal mine products. Five. Compressed air self-rescue system 40. Coal mining enterprises are in accordance with "Coal Mine Safety Regulations" requires that on the basis of the establishment of compressed air system, it must meet the requirements of providing compressed air supply to all mining sites during the disaster period, and further build and improve the compressed air self-rescue system. 41. The air compressor shall be located on the ground. For deep multi-level mines, when the air compressor is installed on the ground and it is difficult to ensure effective air supply to the underground operation point, it can be installed at a safe and reliable position at the bottom of the air intake shaft two levels above the air supply level, and obtain the safety mark of coal mine products, but it is not allowed to select the sliding vane air compressor. 42. The pipeline specification of the compressed air self-rescue system shall be in accordance with the air demand of the mine. Air supply distance, resistance loss and other parameters are calculated and determined, down the hole bit , but the diameter of the main pipeline is not less than 100 mm, and the diameter of the mining face pipeline is not less than 50 mm. 43. Compressed air pipelines shall be laid on the route for avoiding disasters in all mining areas of the mine. If the standby power supply cannot ensure that the continuous working time of the equipment reaches 80% of the standard time, it shall be replaced in time. 77. The maintenance personnel of the "six systems" shall regularly check and test the intact state of the facilities, equipment and accessories in use, find problems and deal with them in time, and report the results of inspection, testing and treatment to the mine dispatching center station. 78. Any subsystem in the "six systems" shall be maintained immediately in case of failure, and safety technical measures must be formulated before resuming normal operation to ensure the safety of operators within its service scope. 79. "Six systems" management system. Including post responsibility system of management and maintenance personnel, duty system, operation procedures, safety measures during fault handling, provisions on duty, operation and maintenance personnel allocation and training, safety instrument measurement and inspection system, etc. 80. System operation and management data, including equipment layout Equipment standing book, statement, duty record,mining dth bit, maintenance record, list of equipment and facilities, product safety mark certificate and inspection report. Return to Sohu to see more Responsible Editor:. wt-dthtools.com