Summary The chemical oxygen self rescuer and the compressed oxygen self-rescuer are the two most commonly used self-rescuers in the mining department.
The chemical oxygen self rescuer and the compressed oxygen self-rescuer are the two most commonly used self-rescuers in the mining department. The two products have the same function, but the principles are different. The chemical oxygen self-rescuer was mostly used in the early days. Features such as appearance, operation, and no need for frequent changes are gradually being favored by the mining department. As a self-rescuer carried by miners in coal mines. Using the oxygen produced by the chemical oxygen agent as the oxygen source can prevent various toxic and harmful gases from entering the respiratory organs. It has the characteristics of light weight, small size and convenient carrying.
Working principle of ZH30 chemical oxygen self-rescuer The ZH30 chemical oxygen self-rescuer initially generates oxygen from an oxygen candle. After the airbag is quickly opened, the oxygen generating agent is combined with the CO2 exhaled by the human body and water vapor, and a chemical reaction occurs to generate oxygen for human breathing. These pure oxygen forms a closed circuit system through the air bag, cooling net, orifice plate, and mouthpieces for people to breathe.
How to use ZH30 chemical oxygen self rescuer Hang the chemical oxygen self rescuer on the waist on the right side of the back to avoid impact as much as possible. 2. When using, choose to turn the self-rescuer to the abdomen, pull down the protective cover with your right hand, and throw away the protective cover from the shell. 3. Remove the upper outer tank, pull out the self-rescuer and discard the lower outer tank. 4. Put on your headband and tidy up the airbag. 5. Unplug the mouthpiece and quickly start the oxygen candle. 6. Put the mouthpiece in the mouth, place the mouthpiece between the lips and teeth, clench the tooth pad, cushion the nose with the nose clip, and start breathing through the mouth. 8. Breathe evenly and quickly evacuate the disaster area.