Carbon dioxide co-fluid
US-2017313954-A1 · Nov 2, 2017 · US
US11466903B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11466903-B2 |
| Application number | US-201916574533-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 18, 2019 |
| Priority date | Mar 30, 2018 |
| Publication date | Oct 11, 2022 |
| Grant date | Oct 11, 2022 |
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Official abstract text for this publication.
A cooling system includes a compressor configured to pressurize carbon dioxide to form pressurized carbon dioxide, a mixer configured to generate mixed refrigerant in which the pressurized carbon dioxide and solvent in a liquid state, a depressurization apparatus provided downstream from the mixer and configured to depressurize the mixed refrigerant, a separator configured to separate carbon dioxide in a gas state from the mixed refrigerant, a heat exchanger configured to exchange heat between the mixed refrigerant cooled through depressurization and a fluid to be cooled, and a second heat exchanger configured to cool the carbon dioxide or the mixed refrigerant using vaporized carbon dioxide or the mixed refrigerant.
Opening claim text (preview).
The invention claimed is: 1. A cooling system comprising: a compressor configured to pressurize carbon dioxide to form pressurized carbon dioxide; a depressurization apparatus configured to depressurize the pressurized carbon dioxide, the depressurization apparatus including a valve; a mixer provided downstream from the depressurization apparatus and configured to generate a mixed refrigerant in which the pressurized carbon dioxide, which is depressurized, and a solvent in a liquid state are mixed; a separator provided downstream from the mixer and configured to separate carbon dioxide in a gas state from the mixed refrigerant; a second depressurization apparatus configured to depressurize the mixed refrigerant, the second depressurization apparatus including a valve and being provided downstream from the separator; a heat exchanger configured to exchange heat between the mixed refrigerant cooled in the second depressurization apparatus through depressurization and a fluid to be cooled; and a second heat exchanger configured to cool the mixed refrigerant in a first mixed refrigerant flow path using the mixed refrigerant cooled in the second depressurization apparatus through depressurization and in a second mixed refrigerant flow path, the second heat exchanger being integrated with the heat exchanger.
Arrangements for separating or purifying gases or liquids (in analysers or rectifiers F25B33/00); Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat (F25B40/00 takes precedence) · CPC title
originating from an incorporated cascade · CPC title
the refrigerant being carbon dioxide · CPC title
Clogging · CPC title
with cycle highest pressure above the supercritical pressure · CPC title
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