Process and apparatus for air separation
AssigneeLinde Aktiengesellschaft
InventorMichael Buckland
Life of this patent
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Abstract
A first process stream of the air separation is compressed in a first compressor (2). The first compressor (2) is mechanically coupled (4) to a steam turbine (1) and to an electric motor (3).
Claims22
In a process for air separation comprising feeding air in, wherein feed air is fed to an air separation unit, and compressing a first process stream of the air separation is compressed in a first compressor (2), the improvement wherein said first compressor isbeing mechanically coupled (4) to a steam turbine (1) driven by an external fluid and to an electric motor (3).
In an apparatus for air separation comprising a first compressor (2) and means for connecting the inlet or the outlet of the first compressor to an air separation unit, the improvement wherein the first compressor (2) is mechanically coupled to a steam turbine (1) for work expansion of a fluid and to an electric motor (3).
An apparatus for compressing and expanding fluids, comprising a first compressor (2), a steam turbine (1), a second compressor (5), and a electric motor (3), all being mechanically coupled (4a, 4b, 6).
Dependencies are inferred from the claim text.