LNG Defects in Storage Tank Thermal Insulation Layer

LNGDefects in the storage tank insulation layer

LNG storage tanks are typical cryogenic pressure vessels with a vacuum powder insulation type. They have a double - cylinder structure. The inner and outer cylinders are fixed by tension slings. The middle interlayer is filled with perlite, and a molecular sieve adsorber is set. There are vaporizers and cryogenic liquid pumps outside the storage tank, through which high - pressure gas can be directly sent out by the vaporizer. The material of the inner cylinder is austenitic stainless steel, such as 0Cr18Ni9 and SUS304. The outer cylinder is made of steel for general pressure vessels, such as 16MnR, 20g, and Q235r.

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To enable the smooth flow of "three-high" crude oil with high wax content, high pour point and high viscosity in the oil pipeline, the oil products are usually heated at the oil transportation station to keep the temperature of the oil products above the pour point or at an even higher temperature. Considering energy conservation, consumption reduction, cost reduction and efficiency improvement, insulation measures are usually added to the outer shell of the oil pipeline. When the outer surface temperature of the normal insulation layer is close to the ambient temperature, it indicates good insulation, which can achieve excellent energy-saving and heat preservation effects.

Fire Prevention and Early Warning in the Oil Pump Room

The oil pump room is the heart of the oil storage tank area. It is the power source for the receiving, dispatching, and transmission operations of oil products in the oil depot and the place with the most frequent operations in the oil depot. Phenomena such as oil spills, leaks, drips, and seepages occur from time to time. If the oil - gas concentration reaches the explosion limit range, once it encounters a high - temperature source, it is extremely likely to cause flash explosions and fires, resulting in significant losses.

Oil Pipeline Deposition

Pipeline oil transportation involves pressurizing and heating crude oil (or refined oil products) and transporting them through pipelines from one location (usually an oilfield) to another (usually a refinery, terminal, etc.). The purpose of pressurization is to provide kinetic energy to the crude oil, enabling it to overcome the geodetic elevation differences and pressure losses along the pipeline. Heating is a measure adopted for "three - high" crude oil, which features high wax content, high pour point, and high viscosity. The aim is to maintain the temperature of the crude oil in the pipeline above the pour point or at an even higher temperature, ensuring its smooth flow.

Defects in Pipeline Insulation Layer

To ensure the smooth flow of "three-high" crude oil with high wax content, high pour point, and high viscosity in the oil pipeline, the oil products are usually heated at the oil transfer station to keep their temperature above the pour point or even higher. Considering energy conservation, consumption reduction, cost reduction, and efficiency improvement, insulation measures are commonly added to the outer shell of the oil pipeline. When the outer surface temperature of the normal insulation layer is close to the ambient temperature, it indicates good insulation, which can achieve excellent energy-saving and heat preservation effects.

Home > Solution > Petroleum and Petrochemical > LNG Defects in Storage Tank Thermal Insulation Layer

FOTRIC 850MiX-Ex Series

Single-vision Explosion-proof Temperature-measuring Cylindrical Camera FOTRIC 130S-Ex Series

Dual-vision Explosion-proof Temperature-measuring Cylindrical Camera FOTRIC 130D-Ex Series

Fire Prevention and Early Warning in the Oil Pump Room

Oil Pipeline Deposition

Defects in Pipeline Insulation Layer

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