Zhongjie Equipment Liquid Oxygen Storage Tank Price Low Temperature Storage Tank Efficient Supply

Description :

Liquid nitrogen storage tankDuring operation, users often give feedback on a problem: liquid loss exceeds the normal range, which is commonly referred to as excessive liquid cooling loss in the industry. The increase in liquid loss not only affects the economic benefits of equipment operation, but in severe cases, it may even affect the normal production of users. Why did this situation occur? Below are specific reasons for the increase in liquid loss.

　　The impact of welding seams on the shell and shell pipelines of liquid nitrogen storage tanks: The welding quality of the tank pipeline and shell connection or shell welding seam does not meet the standards. For example, in some humid and acid rain prone areas in the south, the outer shell is prone to rusting and perforation, allowing moist air from the outside to enter the interlayer, causing a decrease in vacuum degree, an increase in thermal conductivity, and an increase in heat input per unit area, resulting in an excessive daily evaporation rate of liquid nitrogen.

　　The influence of pearl sand filling rate: The pearl sand between the layers is not filled tightly during filling, and gradually sinks during use, causing the upper layer of the liquid nitrogen storage tank to have no insulation material, reducing the cooling effect, accelerating heat transfer, and increasing the daily evaporation rate.

　　The impact of self pressurization of liquid nitrogen storage tanks: If the valve of the booster is not tightly closed or leaks internally, the leaked liquid will vaporize through the booster, causing the pressure of the equipment to continuously increase. When it exceeds the set pressure of the storage tank, it will start to be vented through the automatic vent valve. In order to maintain its own pressure stability, the liquid will continuously pass through the booster and vaporize before being vented, which will inevitably increase the loss of liquid in the storage tank. In addition, there may be frosting on the valve body, and the temperature of the valve body will be lower than that of other parts.

　　The impact of welding seams on the inner tank and piping of liquid nitrogen storage tanks: Poor welding quality of the inner cylinder and piping can cause cracks, resulting in liquid leakage and increased liquid loss. At this point, the lower part of the crack will frost, freeze, and even cause the outer cylinder to freeze and crack.

　　The above are the main reasons for the increase in liquid loss in low-temperature storage tanks, which are caused by both manufacturing and usage processes. Therefore, only by understanding these causes can we avoid and reduce the increase in liquid loss during the manufacturing and usage processes.

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