classification：mother and son tank
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industrial gas sub master tank is a kind of storage tank which consists of several parallel sub tanks containing ln2, lo2 and lar and is placed in the master tank filled with thermal insulation material in a certain arrangement. it is more suitable for the air separation unit output or steel plant backup system to store liquid oxygen, liquid nitrogen, liquid argon and other products respectively, but the site is limited and the land occupation needs to be reduced as much as possible.
the cryogenic liquid sub tank and master tank are composed of several sub tanks, one master tank, corresponding process pipelines, valves, instruments, etc.
sub tank: as the main container for low temperature medium, it is made of austenitic stainless steel s30408; the sub tank is a vertical cylindrical leg structure. according to the volume, 4, 7 or 10 sub tanks are arranged in a certain way to connect the gas and liquid phases of all or groups of sub tanks through pipes.
mother tank: as the protective shell of thermal insulation system, q345r / 16mndr material is usually used. the mother tank contains all the sub tanks, and the powder accumulation insulation is used for cold insulation to ensure that the storage medium is gasified as little as possible.
main technical parameters
storage media: ln2, lo2, lar, etc
working pressure: 0.2mpa ~ 3.0mpa
single unit volume: 600m ³~ 3000m ³ equipment type: tank, pressure vessel
compared with the vacuum tank with the same volume, the single storage capacity of the equipment is large, with less land occupation, less investment and simple operation.
the equipment maintains the operating pressure through the self supercharger without booster pump, with fast response time, low operating cost and simple maintenance.
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