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Daily inspection of cryogenic storage tanks

① Determination of vacuum between inner and outer interlayers (cycle one year) ② Daily inspection of supporting facilities of storage tank equipment: ③ Observation of storage tank fou...

The outer surface of the LNG storage tank adopts the fully automatic steel shot sandblasting rust removal process

Operation process of cryogenic storage tanks

Content

① Determination of vacuum between inner and outer interlayers (cycle one year)

② Daily inspection of supporting facilities of storage tank equipment:

③ Observation of storage tank foundation to prevent flying rocks from surrounding mountain blasting from affecting the storage tank.

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cryogenic LNG storage tank description

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Precautions for daily use of LNG storage tanks

Cryogenic LNG tanks are mainly used to store and transport liquefied natural gas.

Cryogenic LNG tanks

LNG storage tanks and pipes are made of austenitic stainless steel. Austenitic stainless steels have excellent low temperature properties. But the linear expansion coefficient is high. under the temperature conditions of liquefied natural gas The shortening rate of stainless steel is about 3/1000, and for the 304L material pipeline, when the working temperature is -162 degrees, the 100 m pipeline can be shortened about 300 mm.

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LNG cryogenic tanks are generally divided into vertical tanks and horizontal tanks. The cryogenic tank has a double-layer structure, and the inner tank stores cryogenic liquid and bears the pressur...

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The support structure between the inner tank and the outer shell adopts the upper stainless steel tie belt and the lower stainless steel tube support method. In the normal working position of t...

The support structure between the liner and outer shell of the cryogenic storage tank adopts the upper stainless steel tie belt and the lower stainless steel tube support method.

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It is strictly prohibited to mix liquefied natural gas with different properties or manufacturers in the same storage tank. The safety accessories (safety valves, pressure gauges...

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Cycle inspection of cryogenic storage tanks needs to be determined according to the technical conditions of use of storage tanks.

External inspection of cryogenic storage tanks

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

Liquid oxygen storage tank is mainly used for cryogenic liquid storage of liquid oxygen, liquid nitrogen, liquid argon and carbon dioxide. One cubic metre of liquid can replace 130 gas cylinders.

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LNG tanks are special containers for storing liquefied natural gas, designed to keep the gas in a liquefied state at extremely low temperatures (about -162°C).

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