LNG Vaporization Station Storage Tank The vacuum LNG low-temperature liquid storage tank is a commonly used long-term storage device for low-temperature liquids, featuring advantages such as large storage capacity, adjustable pressure, low evaporation rate, and safety reliability. It is widely used in LNG refueling stations, LNG vaporization stations, LNG emergency peak-shaving stations, and other projects. The tank adopts a double-layer cylindrical structure, with the interlayer filled with insulating material (perlite) and vacuumed. It mainly consists of an inner tank, outer tank, insulation structure, piping system, and safety accessories. Product Details Storage and Transportation Container Our company produces storage tanks in various sizes ranging from 5M3 to 250M3, with pressures from 0.7MPa to 2.16MPa, available in vertical, horizontal, and non-standard designs. These tanks feature a double-layer high vacuum insulation structure, similar to the structure and insulation principle of household thermos bottles, and are special low-temperature pressure vessels mainly used for storing and transporting industrial gases in liquid form at -196°C (LO2, LN2, LAr, LCO2). The low-temperature containers designed and produced by our company comply with the standards of GB150-1998 "Steel Pressure Vessels" and GB-18442 "Fixed Vacuum Powder Insulated Low-Temperature Liquid Storage Tanks," and are supervised by the National Quality Technical Supervision Bureau's "Pressure Vessel Safety Technical Inspection Regulations." They have the following functions and features: Each storage tank undergoes low-temperature testing before leaving the factory to ensure a reliable qualification rate for insulation and low consumption storage. The storage tank's perlite parameters meet the requirements and are vacuumed to a vacuum degree of ≤2.0Pa. To ensure a long lifespan for the low-temperature storage tank's interlayer, both the inner and interlayer have undergone strict gas pressure, gas tightness tests, and helium mass spectrometry leak detection, with a leakage rate of ≤1×10-6Pa L/S for tight sealing. The vacuum is not prone to leakage, and multiple safety accessories are used for added peace of mind. The configuration includes dual safety valves and dual rupture discs, with more safety valves than other manufacturers, ensuring that essentially every closed pipeline has a safety valve. The safety device is designed with a three-way valve at the front, eliminating concerns about the safety device being closed, and making it more convenient for the maintenance and replacement of safety accessories. Every small issue has been fully considered to meet user needs. The inner tank material is made of high-quality stainless steel plate and is passivated. It is equipped with an automatic pressure-boosting tank valve that can automatically increase pressure. The storage tank can be optionally equipped with a gas-saving device. When the pressure of the low-temperature liquid storage tank exceeds the set pressure, the tank automatically uses gas to depressurize; when the pressure of the low-temperature liquid storage tank is below the set pressure, the tank automatically activates the pressure-boosting device to increase pressure. This keeps the pressure of the entire low-temperature liquid storage tank in a constant state.

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