Liquefied Gas TankLeakage is extremely dangerous when it occurs.Liquefied Gas Storage Tank1. In any正规 industrial facility, a comprehensive tank safety operation standard and management system should be established during use. 1) When there is only a minor leak in the tank, the transporter should immediately close all the pipeline valves of the tank and simultaneously halt the operation of any surrounding equipment. Quickly evacuate personnel from the leakage contaminated area to the upwind location (due to the storage of liquefied gas, it is easy to float in the air) and conduct safe isolation. Cut off all fire sources and, under the assurance of safety, do your best to prevent the spread of the leak source. 2) In the event of a large-scale leakage, in addition to the basic emergency response measures, an immediate report should be made to the local government, "119", and the local environmental protection and public security traffic police departments. The report should include: the unit involved, the time and location of the accident, the chemical name and amount of leakage, the level of danger, whether there are any casualties, and the name and phone number of the person reporting.Liquefied Gas Storage TankInspection is a major operation for any liquefied gas station. Given the unique features of simultaneous inspection for three tanks and the complete halt of the entire station's normal production operations, thorough preparatory work is particularly crucial in the initial phase.
Cautionary Notes for Using Natural Gas Storage Tanks: Jacketed vacuum insulation pressure vessels used for storing and supplying cryogenic liquefied gases. They are widely used in industrial production. Analysis of the dangerous characteristics of cryogenic liquids: Cryogenic liquids have low boiling points, high expansibility, strong asphyxiating, and strong oxidizing properties. Boiling points at 101.3 KPa: Liquid nitrogen -196°C, liquid oxygen -183°C, liquid argon -186°C. Contact with the human body can cause severe frostbite on the skin and eyes. In case of minor leakage or internal leakage in valves, they absorb heat from the surrounding environment, causing rapid condensation and frost formation at the leakage point, which can lead to freezing in severe cases. When cryogenic liquids absorb high heat from the surrounding environment or absorb a large amount of energy due to leakage, their volume expands rapidly due to quick vaporization. At 0°C and 101.3 KPa pressure, the volume of the gas after 1L of cryogenic liquid vaporizes: nitrogen 674L, oxygen 800L, argon 780L. Inside sealed containers or pipelines, the increase in internal pressure due to the vaporization of cryogenic liquids can easily cause overpressure explosions. In the environment around cryogenic liquid storage tanks, the vaporization of leaked cryogenic liquids can easily form rich gas areas. High concentrations of nitrogen, argon, or carbon dioxide can easily cause asphyxiation injuries. Additionally, high oxygen concentrations can also lead to oxygen enrichment injuries. Oxygen is a strong oxidizing agent with a strong oxidizing property. Liquid oxygen can adhere to clothing, and upon contact with an ignition source, it can easily cause a flash fire, causing personal injury.
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