191、introduction of vacuum storage tank (middle) - doer equipment
classification：industry publishtime：2022-02-24 10:06:52
introduction of vacuum storage tank (middle) - doer equipment
the equipment adopts vacuum powder insulation. the insulation material used is expanded perlite (pearlite). its performance requirements are as follows:
▲ in order to effectively improve the thermal insulation performance, a light blocking agent with good chemical stability and no explosion in oxygen enriched environment is added to the pearlescent sand.
▲ in order to avoid the pearlescent sand from moisture (high moisture content), special tooling is made for the storage, transportation and filling of pearlescent sand.
▲ when filling pearlescent sand, strictly control its filling density and try to be solid (≥ 1.8 times the interlayer volume) to prevent settlement.
▲ the liquid pipeline from the inner tank is provided with a liquid seal (gas seal liquid) structure.
▲ the supporting material of the inner tank adopts epoxy glass cloth rod with small thermal conductivity, strong pressure bearing capacity, low air release rate and strong low-temperature impact resistance.
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