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Safety protection of nitrogen

Author: ComeFrom: Date:2019/7/16 16:05:36 Hits:583

Nitrogen itself is non-toxic and non irritant. The inhaled nitrogen can be discharged through the respiratory tract in its original form. However, the increase of nitrogen content in the air will cause oxygen dilution and affect the normal breathing of human beings. High concentration of nitrogen can cause suffocation. Patients inhaled high concentration of nitrogen should be transferred to fresh air quickly, placed to rest and keep warm. Liquid nitrogen contact with skin can cause cold burns. Wash skin with water immediately when contacting with liquid nitrogen. If frostbite occurs, seek medical treatment. .
Nitrogen shall be stored in pressurized steel cylinders, and liquid nitrogen shall be stored and transported in insulated containers and tankers. Nitrogen is non corrosive. The container materials can be carbon steel, stainless steel, copper, copper alloy, aluminum and other general metals and common plastic materials at room temperature. For liquid nitrogen, nickel steel (90% Ni), stainless steel, copper, brass and precious bronze can be used. Polytetrafluoroethylene and polytetrafluoroethylene polymers can be used at low temperatures. In case of fire, nitrogen can be used to put out the fire, but it is forbidden to fill the liquid nitrogen container with nitrogen water. Waste nitrogen can be discharged into the atmosphere.

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