Liquid nitrogen leakage treatment method

2021-03-02 11:11:19

Liquid nitrogen leakage treatment method

When inhaled (liquid nitrogen quick-freezing) nitrogen concentration is not too high, the patient initially feels chest tightness, shortness of breath, weakness, and then irritability, extreme excitement, running around, yelling, trance, and unsteady gait, which is called "nitrogen tincture" ", can enter a state of lethargy or coma. Inhalation of high concentrations, patients can quickly become unconscious and die due to the arrest of breathing and heartbeat.

  1. Quickly evacuate personnel from the contaminated area to the upwind, and set up isolation areas to strictly restrict access.

  2. Notify the fire and related units.

　　3. Emergency response personnel should wear self-contained positive pressure breathing apparatus, cold-proof clothing and cold-proof gloves.

　　4. Avoid leaking liquid from flowing into the basement or other confined manned working spaces. If it is unavoidable, notify the relevant department immediately.

　　 5. Do not directly touch the leakage.

　　 6. Cut off the source of leakage as much as possible.

　　7. Water spray can be used to accelerate the evaporation of the liquid, but the water gun can not be shot into the liquid.

  8. To prevent gas from accumulating in low recesses, use an exhaust fan to send the leaked gas to the open area.

  9. It is forbidden to stay in low-lying or leeward areas.

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