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Inlet and outlet of liquid in LNG storage tanks and on-site observation of pressure and liquid level

LNG storage tank materials

Cryogenic liquid storage tank

Content

The inner and outer cylinder interlayers are filled with insulation material pearlescent sand insulation material and evacuated. The interlayer pressure of the inner and outer layers is ≤5Pa. The factory vacuum degree is better than the national standard to ensure the daily evaporation rate index; the storage tank is equipped with a complete set of operating valves and instruments.

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More cryogenic LNG storage tank

By keeping the temperature low, LNG remains in a liquid state, thus avoiding the problem of pressurization.

LNG tank pressurization

The difference between liquefied natural gas (LNG) cryogenic pumps and liquid oxygen cryogenic pumps in design and application

liquefied natural gas (LNG) cryogenic pumps and liquid oxygen cryogenic pumps

Sixth, the pearl sand is specially dehydrated and pretreated before filling the sand, and the interlayer is heated and replaced with nitrogen, which greatly reduces the degassing source.

Before filling the LNG storage tank with sand, the pearl sand is specially dehydrated and pretreated

Before use, a small amount of liquid nitrogen should be put into the cryogenic storage tank to pre-cool it. When the temperature in the tank reaches the liquid nitrogen temperature, the liquid ...

Maintenance methods of cryogenic storage tanks

BOG (Boil off Gas) is the boil-off gas from storage tanks and tank trucks. The daily evaporation rate of low-temperature storage tanks and low-temperature tank trucks is generally ≤0.1%. If this pa...

Gasification station BOG system

LNG is transported from the LNG liquefaction plant to the LPG gasification station in the gas-using city through the tank truck storage tank, and the tank truck storage tank is boosted by the unloa...

LNG storage tank

After the hydraulic pressure experiment is completed. Adjust the hot water low-temperature storage tank to a full state, and then open the hot water low-temperature storage tank until steam appears...

Hydraulic pressure test of cryogenic storage tanks

Cryogenic storage tank is used to store liquid oxygen, nitrogen, argon, carbon dioxide and other media vertical or horizontal double-wall vacuum adiabatic storage tank.

Features of LNG cryogenic storage tank

3． When the valves and connections on the equipment freeze, control the flow. It is strictly forbidden to bake them with open flames or hot objects, nor to knock them with objects.

Valve safety for cryogenic storage tanks

In order to reduce and avoid the occurrence of LNG tank failure accidents, regular monitoring and nondestructive testing are required.

Principles of nondestructive testing technology for LNG tanks

Model CFW-20/0.8 weighs 9480 kg Model CFL-20/0.8 weighs 9375 kg Model CFL-30/0.6 weighs 12,400 kg Model CFL-30/0.8 weighs 13060 kg Model CFL-50/0.6 weighs 18885 kg Model CFL-50/0.8 weighs 1950...

Cryogenic LNG tank specifications

Inner tank material: S30408 stainless steel Inner tank thickness: 6-16mm Material of outer storage tank: Q245R alloy steel Thickness of outer storage tank: 8-16mm Pressure: 0.8Mpa, 1.6Mpa ...

Description of oxygen, nitrogen and argon cryogenic storage tanks

Multilayer winding insulation technology is a method of improving thermal insulation performance by alternately winding multiple layers of insulation materials (such as polyethylene, polyurethane, etc.) around pipes or equipment.

Multilayer winding insulation technology

1.2 When using cryogenic liquid storage tanks, the "Safety Rules for the Use of Cryogenic Liquid Storage and Transportation Equipment" should be strictly implemented to strengthen daily safety mana...

Use of cryogenic liquid storage tanks

LNG storage tanks can be divided according to their size: small LNG storage tanks, with 5-50 cubic meters storage tanks, often used in civil gas vaporization stations, liquefied natural gas (LNG) c...

lng storage tank size classification

An air-heated vaporizer is a device used to vaporize a liquid sample or solution into a gaseous state

Air-heated Vaporizer

Pearescent sand insulation is a technology that uses pearlescent sand (also called microbeads or microbead material) as a thermal insulation material.

Pearlescent sand insulation