Oxygen breathing apparatus for mining escape self-contained rescuer
| Respiratory volume | 30L / min |
| Exhalation resistance | ≤ 600Pa |
| Inspiratory resistance | > 0 |
| Quantitative oxygen supply | 1.6 ± 0.1L / min |
| Automatic supply of oxygen | > 100L / min |
| Dynamic supply of oxygen | > 100L / min |
| Automatic supply valve opening pressure | 50-245Pa |
| Inhalation of carbon dioxide concentration | <1% |
| Inspiratory oxygen concentration | > 21% |
| Alarm alarm pressure | 4 ~ 6MPa |
| Alarm time | 30 ~ 60S |
| Sound level | ≥ 80db |
| Effective protection time | 4h (moderate labor intensity) |
| Oxygen bottle rated working pressure | 20MPa |
| Oxygen bottle volume | 2.4L |
| Amount of oxygen | 500L |
| Fill the amount of calcium hydroxide | 2.1Kg |
| Dimensions | 560mm × 370mm × 160mm |
| Quality | 10Kg (without calcium hydroxide, oxygen) |
| Storage tank (m3) 1 × 2 | |
| Grouting outlet pressure (MPa) 1.2 | |
| Grouting flow rate (L / min) 130 | |
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