Is it allowed to operate with a full tank of liquid hydrocarbons?
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Our factory plans to compress and separate the overhead gas to obtain liquid hydrocarbons and gas. It has been observed that after compression, the secondary intake buffer tank accumulates a large amount of liquid. We intend to use a larger buffer tank, but we are unsure where to find the relevant laws and regulations regarding whether it is possible to operate with the tank filled to capacity. We hope everyone can offer their guidance
Liquefied gases generally have a filling coefficient, so they cannot be filled to capacity. Fear of thermal expansion causing the tank to rupture. Other forum users have also asked before; you can make it smaller
Refer to the regulations regarding the filling of liquefied gas cylinders: if the cylinder is full and the liquid expands due to heat, it can directly cause the cylinder to burst
The level of the inter-stage liquid separation tank is not part of the compressor interlock system. In my facility, there was a failure in the level monitoring for the inter-stage tank, and the operators ignored it; by the time it was discovered, the tank was already full – it had been so for some time already. The glass gauge was still intact, and its position was quite high; it took some time before the liquid level could be seen. But there are no fluctuations at the press operation monitoring points, and the sound is also normal. But something just seems off; it might damage the impeller or something similar.
No, according to the regulatory standards (TSG21-2016), the filling factor for pressure vessels used for storing liquefied gases must not be greater than 0.95, and liquefied hydrocarbons are a type of liquefied gas.
No, it is necessary to follow the instructions for pressure vessels strictly