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Stationary cryogenic storage tank

[Relevant devices]
Storage tanks at liquefied natural gas satellite stations
Air heating evaporator
Hot water evaporator
Steam evaporator
Pressure reduction unit
Pump unit

[What is a CE?]

A CE is a stationary cryogenic storage tank that stores gases that are indispensable to industry (including liquefied oxygen, liquefied nitrogen, liquefied argon, liquefied natural gas, and liquefied carbon dioxide) in a liquid state, maintains them at normal pressure, and automatically supplies them in a liquid or gaseous state continuously or intermittently at a specified pressure and flow rate.

Stainless steel plates are used for the inner tank while rolled steel plates for general structure are used for the outer tank, and are designed and manufactured so that high thermal insulation can be maintained. For this reason, the space between the inner tank and the outer tank is filled with a powder heat insulating material (pearlite) with low heat conductivity to minimize the vaporization of liquefied gas, and the space is evacuated to a high vacuum to minimize the penetration of heat.

An internal pipe is installed between the inner tank and outer tank, and is connected to a control pipe (a valve, an instrument, and an automatic regulating valve) attached to the lower part of the outer surface of the outer tank. As a new application these tanks are being used as storage tanks for LCNG stations that supply natural gas for CNG vehicles.


[High performance]
High vacuum powder heat insulating method is adopted to minimize the vaporization by the heat penetration from the outside of the tank.
[Full automatic]
Unattended operation due to automatic regulator
[Good operability]
Valves and instruments necessary for operation are attached to the front of CE for easy operation.
[Economic efficiency]
Due to compact design, only a small installation area is required.
[Safety first]
The most suitable materials for cryogenic device are used and a safety valve and an automatic regulator ensure safe operation.

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