Cryogenic Transport Tanks are designed with a horizontally oriented insulated vessel. These tanks consist of two separate vessels: the outer vessel is made of carbon steel, while the internal pressure vessel is made of stainless steel. The design is intended to optimally maintain the liquid state of cryogenic fluids and prevent reaching the boiling point and evaporation of cryogenic liquids.
In these tanks, control pipes and instruments are located in the rear cabinet. The design is such that maximum use of available space inside the cabinet is provided for easy access and operation.
The concept of cryogenic tank design varies across different industries, with different thermal insulation methods such as perlite and multi-layer insulation (MLI) being commonly used.
Perlite is used in the insulation industry due to its unique properties such as low density, poor thermal conductivity, neutrality, and non-combustibility.
The loading and unloading of cryogenic tanks follows Boyle’s Law (P1V1 = P2V2). In other words, gas moves from a tank with higher pressure to a tank with lower pressure. For loading, the transport tank’s pressure should be lower than the loading tank’s pressure. For unloading, the pressure of the unloading tank should be lower than the transport tank’s pressure.
