In order to prevent explosion accidents, we need to control the oxygen concentration below the set threshold so that the combustible components in the gas are below the lower explosion limit. Otherwise, the combustible gas reaching a certain concentration will explode when it comes into contact with the heat source, posing a threat to the safety of equipment and personnel. Therefore, it is necessary to monitor the changes of oxygen concentration in such environments in real time. The main function of the oxygen alarm is to effectively detect the oxygen concentration of the scene, to avoid the scene of the staff hypoxia or oxygen enrichment, resulting in health damage, therefore, the oxygen alarm can be applied to some hypoxia dangerous workplace to use. Do you know which oxygen-deficient workplaces oxygen alarms can be used? The following is a brief introduction by yi yun Tian:

oxygen alarms can be applied to the following three types of oxygen-deficient hazardous workplaces:

1. Closed equipment:

refers to the cabin, storage tank, tower (kettle), flue, caisson and boiler, etc.

2. Underground limited space:

Including underground pipelines, basements, underground warehouses, underground works, culverts, tunnels, culverts, pits, mines, waste wells, cellars, cesspools (wells), biogas tanks and septic tanks.

3. Limited space on the ground:

includes closed spaces such as distiller's grains tank, fermentation tank, garbage station, greenhouse, cold storage, granary and silo. Also prone to fire and explosion accidents.

under normal circumstances, the oxygen concentration in normal environment is 20.9 VOL. when the concentration is lower than 19.5 VOL, it will belong to hypoxia. when hypoxia, it is harmful to human body and consciousness will be affected. When the oxygen concentration is too high, the risk of combustion or explosion will be much higher.Oxygen alarm usually can be used to detect the content of oxygen concentration in the air environment, when the oxygen concentration exceeds the standard, it will give out sound and light alarm prompt in time, which can not only judge whether the air environment is lack of oxygen, but also can be used to control the quality of the produced products through the oxygen concentration.