Method for producing at least one air product, air separation system, method and device for producing electrical energy
US-2016370111-A1 · Dec 22, 2016 · US
Oxygen vaporization method and system
US9182170B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9182170-B2 |
| Application number | US-57776609-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 13, 2009 |
| Priority date | Oct 13, 2009 |
| Publication date | Nov 10, 2015 |
| Grant date | Nov 10, 2015 |
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Abstract
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A method and system for producing an oxygen product stream in which sensible heat from a compressed air stream is indirectly exchanged with a vaporized pumped liquid oxygen stream in a main heat exchanger and latent heat is exchanged in an auxiliary heat exchanger connected to the main heat exchanger. The latent heat exchange produces subcooled liquid air that is fed into a low pressure column of the air separation plant and vaporization of the pumped liquid. Part of the subcooled liquid air can be withdrawn from the auxiliary heat exchanger at a higher temperature than the remainder of the subcooled liquid air. All or part of the subcooled liquid air can be further cooled within the main heat exchanger. As a result, low temperature, subcooled liquid air is produced that allows for an increased oxygen recovery and also, argon recovery if an argon column is present.
First claim
Opening claim text (preview).
I claim: 1. A method of vaporizing a pumped oxygen stream in a cryogenic air separation plant to form an oxygen-rich vapor product stream, said method comprising: indirectly exchanging sensible heat from a compressed air stream to the pumped oxygen stream, after having been vaporized such that the compressed air stream is partially cooled and the pumped oxygen stream is warmed to form the oxygen-rich vapor product stream; indirectly exchanging latent heat from the compressed air…
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Mechanical Engineering · mapped topic
- F25J3/0409Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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- What does patent US9182170B2 cover?
- A method and system for producing an oxygen product stream in which sensible heat from a compressed air stream is indirectly exchanged with a vaporized pumped liquid oxygen stream in a main heat exchanger and latent heat is exchanged in an auxiliary heat exchanger connected to the main heat exchanger. The latent heat exchange produces subcooled liquid air that is fed into a low pressure column …
- Who is the assignee on this patent?
- Rooks Raymond Edwin, Praxair Technology Inc
- What technology area does this patent fall under?
- Primary CPC classification F25J3/0409. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Nov 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).