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    The stainless steel diaphragm tank learned that the COW technology of the oil storage tank uses inert gas to control the concentration of oxygen and combustible gas in the tank, avoiding the risk of static electricity caused by the high-speed radiation of the nozzle. After cleaning the stainless steel diaphragm tank, check the repair personnel to enter the tank for intermittent hot repair work. The manual cleaning of the tank requires a lot of personnel to clean up the accumulation in the tank with high concentration of oil and gas, which simply constitutes casualties. The stainless steel diaphragm tank adds unsafe elements to the oil depot with a lot of residual oil for vehicles, and poses a pollution and accident risk to the environment of the depot. The stainless steel diaphragm tank learned that the rescue system of the oil storage tank mainly includes an initiating component and a rescue device connected to the initiating component. The initiating component includes a temperature sensing initiating component and a mechanical hammer driving component. The temperature sensing The initiating component is arranged in the oil storage tank, and the mechanical hammer driving component is connected to the temperature-sensitive initiating component through a steel wire; the rescue equipment includes a gas storage tank, a reactivator storage tank, a reactivation agent conveying tube, and The nozzle in the oil storage tank; the mechanical hammer drive assembly is connected to the gas storage tank through the valve, the gas storage tank is connected to the rescue agent storage tank through the pressure air pipe, and the rescue agent storage tank is connected to the oil storage tank through the rescue agent delivery pipe Inside the sprinkler. The stainless steel diaphragm tank has two initiation functions for the system: temperature sensing automatic initiation and manual emergency initiation. It can not only automatically extinguish the oil storage tank fire, but also has high rescue efficiency, fast rescue speed, and good resurgence prevention effect.