For LNG Cylinder, welcome to contact CIMC - China's leading LNG Cylinder manufacturer, and details are as follow:
Natural gas consists mainly of methane (usually at least 90%) but may also include ethane, propane and heavier hydrocarbons. The 'pipeline' of natural gas may also include traces of nitrogen, oxygen, carbon dioxide, sulphur compounds and water. Oxygen, carbon dioxide, sulphur compounds and water are all removed in a pre-treatment process.
The liquefaction process compresses, cools, condenses and reduces the pressure and temperature at which the methane (the main component of natural gas) is liquefied. The entire process can be adjusted to produce the purest possible LNG.
LNG receiving stations contribute to the LNG value chain by storing LNG and supplying natural gas to end users. This typically includes pipelines, LNG storage tanks, compressors, evaporators, pumps and other components. LNG from LNG carriers is transported to storage tanks via discharge pipelines. The stored LNG is transferred to the vaporiser process via pumps in the storage tanks. The vapourisation process is used to deliver the natural gas to the end user.
Recirculation, depressurisation and unloading are all steps in the LNG unloading process. To prevent the pipeline from heating up before the LNG is unloaded, the unloading pipeline must be kept cold. During the recirculation phase, a small amount of LNG from the storage tank is continuously circulated through the pipeline to keep it cool. During the depressurisation process, the pipeline pressure is reduced to the amount required to transport the LNG from the transport vessel to the storage tank. After the unloading phase, the process enters the first stage of recirculation.
During the unloading and storage of the LNG cylinders, the vapour from the LNG evaporates continuously due to the heat absorbed in the storage tanks and cryogenic pipelines. This vapour is called evaporated gas (BOG). This can cause physical damage to LNG facilities due to the 600-fold increase in volume. When BOG is over-processed, more energy is used. Therefore, effective BOG management is needed to save energy. For LNG reception facilities, recondensation and direct compression are popular BOG treatment processes. Using a BOG compressor, BOG from the storage tank is compressed to approximately 10 bar and mixed with enough outgoing LNG to produce a liquid mixture, which is then pumped into a recondenser. The liquid mix is compressed to provide pressure and evaporated by brine in a high pressure (HP) pump. If the rate of LNG indicated in the request is not sufficient to condense it all, the BOG will not condense in the recondenser. the HP compressor compresses the remaining BOG in the recondenser to pipeline pressure and immediately delivers it to the pipeline where it is mixed with natural gas (Park et al., 2010). Due to the large amount of energy used by the HP compressor, it is desirable to reduce the operation of the HP compressor.
No amount of insulation, no matter how effective, can keep LNG cold on its own. LNG is stored as a "boiling refrigerant", which means that it is a very cold liquid at its boiling point under storage pressure. The temperature of stored LNG cylinders is comparable to that of boiling water, but 470°F [243°C] lower. The temperature of boiling water (212°F [100°C]) does not change with increasing heat because it is cooled by evaporation (steam generation). Similarly, if constant pressure is maintained, the LNG will keep its temperature near constant. This is known as 'automatic cooling'. As long as the vapour (evaporation from the LNG cylinder in the LNG cylinder) is allowed to leave the teapot, the temperature will remain constant (in the tank).
If the steam is not removed, the pressure and temperature inside the vessel will increase. Even at a pressure of 100 psig [6.7 barg], the temperature of the LNG will be approximately -200°F [-129°C].
Automotive gas cylinders are vacuum super-insulated cryogenic containers that allow liquid natural gas to be stored at low temperatures for long periods of time and in small quantities.
Putting safety first. Only LNG cylinders that pass the tests listed in the codes and standards are manufactured.
Extremely long service life Utilising acquired expertise and know-how to manufacture cryogenic LNG cylinders for industrial applications.
Excellent insulation 90% insulation technology, does not bend even after 5 days of full charge
A simple repair structure
Plan for easy replacement of components in the event of a problem.
Customised production to customer specifications Our superior approach to LNG cylinder design and manufacture allows us to respond quickly to demand, regardless of vehicle type or volume.
As we have seen, LNG storage systems operate in extremely low temperature ranges or during cryogenic processes. It is important and mandatory that to operate in the cryogenic region, materials and processes must be able to withstand the cryogenic effect. This makes cryogenic storage tanks also considered to be one of the main components and important equipment of LNG storage systems.
We offer 175L LNG Cylinder, 180L LNG Cylinder, 196L LNG Cylinder, 210L LNG Cylinder, 220L LNG Cylinder, 410L LNG Cylinder, 450L LNG Cylinder, 495L LNG Cylinder. Our LNG cylinders are designed, manufactured and tested to national or international standards. Made from high strength stainless steel, they feature advanced cylinder design, good insulation and low static evaporation rates.
For LNG Cylinder, welcome to contact CIMC - China's leading LNG Cylinder manufacturer
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