Can a new external-compression air separation unit help a power grid?
A new external-compression air separation unit with energy storage is proposed. Air is recovered as the Lachman air after power generation. The proposed system can help for peak regulation in power grid. Long-term supply demand balance in a power grid may be maintained by electric energy storage.
What are the advantages of external-compression air separation units?
However, external-compression air separation units are an absolute majority with very large capacity, which makes it easier to realize large-scale energy storage. The proposed system makes energy storage technology of ASU more comprehensive. Air separation unit is formed by all the original equipment in the cold box.
Is liquid air energy storage a new type of external-compression air separation unit?
Conclusion Through the discussion above, a new type of external-compression air separation unit with liquid air energy storage is proposed and studied. Under the condition of ensuring the normal operation of the ASU, the spare capacity of the system is fully utilised to store liquid air during the valley period.
Can liquid air energy storage reduce power consumption of air separation unit?
Moreover, there remains a surplus of production capacity in air separation. This paper proposes an external-compression air separation process, with liquid air energy storage function. It can effectively reduce the power consumption cost of air separation unit while realizing peak load shifting.
Who are the authors of thermodynamic assessment of a novel compressed air energy storage system?
Chengshuai Huang, Dongsheng Chen, Hongbo Liu, Jian Liang, Haowen Zhang, Yaxin Yang, Shuqi Zhang, Erren Yao, Yang Hu; Thermodynamic assessment of a novel compressed air energy storage system coupled with thermochemical conversion and organic Rankine cycle. J.
Why are air separation units important?
It should be pointed out that air separation units are important supporting facilities for steel plants and chemical plants, and waste cold or heat sources in the plant are easy to obtain. In the future, the research can focus on the integration and optimization of the enterprise-wide energy system.
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