when purchasing an air respirator, people often ask, how long can it be used for the operator to breathe? The most common air respirator cylinder on the market is 6.8L, because the larger the capacity of the cylinder is, the heavier it is. After carrying, the rescue or normal operation is easy to cause fatigue and low work efficiency. The theoretical use time of 6.8L air respirator is 68 minutes, but because of the difference of vital capacity, work intensity, personal physique, psychological quality and so on, it will directly affect the use time, but it will not be used for at least 45 minutes< Physical fitness: before the test, the vital capacity of the test team members was tested and recorded, and then compared with the results of the air breathing apparatus test. 1t was found that the team members with small vital capacity used the air breathing apparatus for a longer time, while the team members with large vital capacity used the air breathing apparatus for a shorter time in the comparison between the team members with similar endurance, it is found that the team members with smaller vital capacity are generally smaller and thinner, that is to say, in the case of similar endurance, the use time of the air respirator of the team members with smaller vital capacity is relatively longer; 1n the same height and weight of the team members were compared, found that the larger the vital capacity of the team members in running, jumping and other physical fitness show better, but in the test, did not find that the better the physical fitness of the team members, air breathing apparatus use time is significantly shorter the above results show that, in the case of similar physical fitness, the team members with relatively small vital capacity and body size use the air respirator longer; On the premise of not being able to master the vital capacity of the team members, the team members with good physical quality should be selected first< Psychological quality: the research of psychologists shows that when encountering dangerous situations, normal people will show tension, anxiety and panic, and appear the phenomenon of rapid heartbeat and respiratory rate. At this time, even if the frequency of respiration is controlled artificially or the breath is not held, the amount of oxygen consumed by the blood circulation is much higher than that consumed under normal circumstances however, people with relatively good psychological quality or who have experienced psychological training will choose to calm down after panic, and their heartbeat and breathing will gradually return to normal therefore, the use time of air respirator for the personnel with relatively good psychological quality is relatively longer based on the above experiments, it can be concluded that the team members with similar physical fitness, relatively small vital capacity, small body size and good psychological quality use the air respirator longer this article is a reprint of 1nternet media, which only represents the author’s point of view and has nothing to do with this website. 1f the information column articles and comments violate your legal rights, please call to let us know and we will deal with them in time
How long can the air respirator supply breathing?