Product Description
Large LNG atmospheric pressure single-containment tank and full-containment tank
With the promoted application of LNG clean energy, LNG storage tank is becoming larger and more applicable to atmospheric pressure. Large LNG storage tanks have been in widespread use in LNG liquefaction plants, LNG storage and distribution stations and LNG peak shaving stations.
LNG storage tank has a vertical cylindrical structure, double walls, flat bottom and self-supporting dome, and the interlayer is filled with powder for heat insulation.
Product Parameters
Inner tank/ outer tank material | Single capacity tanks:Ground high table, vertical cylindrical, internal and external tank arch support structure; Full capacity tank: inner tank ceiling, outer tank dome, more thermal angle protection structure than single tank. | ||||||||
Operation pressure | 15~50 KPa | ||||||||
Volume (m3) | 500 | 1000 | 2000 | 3000 | 5000 | 8000 | 10000 | 20000 | 30000 |
Inner tank size (m) | 9.0 | 12.4 | 13.5 | 16.2 | 20.0 | 23.0 | 25.0 | 38.0 | 41.5 |
Outer tank size (m) | 11.2 | 13.0 | 16.0 | 18.5 | 22.4 | 25.3 | 27.0 | 40.0 | 43.5 |
Product Details
Tank Head Material
Made from high-strength, pressure resistant.and corrosion-resistant materials to ensure safety and durability.
Welding Joints
Weld achieves complete fusion (no lack of penetration) to avoid weak spots.weld metal matches or exceed the base metal's tensile strength (typically API620, ASME Section VII)
Radiographic Test
Detect internal defects in welds and base materials, ensuring structural integrity and safety
Characteristics of single-containment/full containment tank
1. The capacity of LNG single-containment tank is generally 200 ~ 10,000m3. The
single-containment tank has large fire protection distance, low land utilization rate and high investment cost of the owner.
2. The LNG full-containment tank features high safety, small fire protection distance and high land utilization rate. The single full containment tank produced by the Company with a capacity of 5,000 ~ 50,000m3 is bimetallic and requires small investment and short construction cycle; the full-containment tank with a capacity of more than 50,000m3 are generally fully contained with concrete, requiring large investment and long construction period.
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