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What Is The Difference In The Workload Of Daily Maintenance Bewteen Compressed Oxygen Self-Rescuer And Chemical Oxygen Self-Rescuer?

1307 Date: 2017-09-18 Tag: China Coal Group Oxygen Self-rescuer difference

Chemical oxygen self-rescuer in the mine down little maintenance, Just check whether the seal is open every day or the shell is damaged, Check the air tightness regularly, there is no special inspection work, self-rescuer placed in the life-saving cabin, no special inspection.

Compressed oxygen self-rescuer's daily maintenance workload is larger, periodically check the pressure whether is more than 20MPa of pressure gauge, the self-rescuer that pressure is less than 20MPa need to remove the cylinder, then refill oxygen.

As the pressure of cylinder oxygen is more than 20MPa, there are more connecting parts of the respiratory system, it is difficult to ensure that respirator absolutely no leakage within 3 years. The time interval for checking the spare parts is longer, it may lead to not timely check out the cylinder has been leaked, when the rescue capsule is used, the compressed oxygen self-rescuer can not be used normally.