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Pressure self-rescue system installation requirements

Release date:2017-10-14  Browse times:245
1. The pressure self-rescue system is installed on the compressed air pipeline in the roadway of the excavation working face and the roadway of the mining face. The installation location should be on the side of the sidewalk with spacious, well-supported and no debris piles. The width of the sidewalk should be kept at value="0.8 " unitname="m"> above 0.8m, the pipeline installation height should be from the bottom plate value = "0.5" unitname = "m"> 0.5m, which is convenient for on-site personnel self-rescue application. There shall be no gutters without cover or incomplete cover under the pressure self-rescue system.
         2. The coal roadway driving face starts from the air inlet of the excavation face, and a set of pressure self-rescue devices are set at a distance of 25-value="40" unitname="m">40m from the head, the number of which should be more than the number of staff in the area. 2 sets, then set a set of pressure self-rescue devices for each value="50" unitname="m">50m, the number of each group is 5-8 sets (see Figure 1 for installation diagram); the working face of rock roadway is 100 meters away from head-to-head Value="130" unitname="m">130m install a set of pressure self-rescue devices, the number of which should be 2 more than the number of staff in the area, heading outwards every value="100" unitname="m">100m A set of pressure self-rescue devices are installed in each of the evacuation sites, and the number of each group is 5-8.
         3. The return airway of the working face shall be provided with a pressure self-rescue device within the range of 25-value="40" unitname="m">40m outside the safety exit on the return airway of the mining face, the number of which shall be higher than that of the staff in the area. The number is 2 sets, and a set of pressure self-rescue devices are installed outside the fixed working place, the number is 5-8; the air inlet lane is 50-value="100" unitname="m" outside the safety exit below the mining face. >A set of pressure self-rescue devices in the range of 100m, the number of which should be 2 more than the number of staff in the area; a set of pressure self-rescue devices with a number of 5 8 sets.
         4, the pipeline laying should be firm and straight, the pressure air pipeline is fixed once every value="3" unitname="m">3m, the rock lane section is fixed by metal trusting with the clamp, and the coal lane section is hung by wire rope. . The branch pipe of the pressure self-rescue system is not fixed at one place, and the valve wrench of the pressure self-rescue system should be in the same direction and parallel to the roadway.
         5. Install the water collecting device in the main air supply line. At the point where the gas supply line enters the connection with the self-rescue system, a switch is added, followed by the installation of the steam separator.
         6, the air compressor should be set on the ground, its gas supply should be able to ensure the use of underground personnel, and can be started within 10min; deep multi-level mining of the mine, air compressor installed on the ground is difficult to ensure effective supply of air to the downhole operating point When installed, it can be installed in a safe and reliable position at the bottom of the inlet shaft of the two levels above the air supply level, but the vane air compressor should not be used.
         7. The pressure self-rescue system valve should be installed completely to ensure the normal use of the system. A total valve shall be provided on the inlet side of the entrance to the mining face.

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