Systems and methods are contemplated for down-flow cooling of a feed gas. Contemplated systems can include a housing having an inlet conduit disposed within an upper portion and configured to receive a first stream. First and second stages can be disposed within the housing, with the first stage dis
Systems and methods are contemplated for down-flow cooling of a feed gas. Contemplated systems can include a housing having an inlet conduit disposed within an upper portion and configured to receive a first stream. First and second stages can be disposed within the housing, with the first stage disposed upstream of the second stage and having a first cooling stream, and the second stage having a second cooling stream that is colder than the first cooling stream. The housing can be configured such that the first stream is cooled by down-flow heat exchange with the first and second cooling streams to produce a conditioned stream depleted of at least a portion of water condensed from the feed gas.
대표청구항▼
1. A gas conditioning system configured for down-flow of a feed gas, comprising: a housing having an inlet conduit disposed within an upper portion and configured to receive a first stream that is substantially depleted of SOx;first and second stages disposed within the housing, wherein the first st
1. A gas conditioning system configured for down-flow of a feed gas, comprising: a housing having an inlet conduit disposed within an upper portion and configured to receive a first stream that is substantially depleted of SOx;first and second stages disposed within the housing, wherein the first stage is disposed upstream of the second stage and includes a first cooling stream, and wherein the second stage includes a second cooling stream that is colder than the first cooling stream;wherein the first cooling stream comprises at least some of a spent portion of the second cooling stream and at least some of a spent portion of the first cooling stream; andwherein the housing is configured such that the first stream is cooled by down-flow heat exchange with the first and second cooling streams to produce a cooled stream depleted of at least a portion of liquid condensed from the feed gas. 2. The system of claim 1, further comprising a mist eliminator fluidly coupled to the housing. 3. The system of claim 1, wherein the housing further comprises a lower portion and an outlet conduit disposed within the lower portion, and wherein the cooled stream that is substantially depleted of SOx exits the housing via the outlet conduit. 4. The system of claim 1, wherein the housing further comprises a lower portion and the first stage is disposed within the upper portion and the second stage is disposed within the lower portion. 5. The system of claim 1, further comprising a separation device disposed between the first and second stages. 6. The system of claim 1, wherein the at least some of the spent portion of the second cooling stream is cooled prior to joining the first cooling stream. 7. The system of claim 1, wherein the liquid comprises water. 8. The system of claim 1, wherein at least a portion of the liquid condensed from the gas is discharged from the system. 9. The system of claim 1, wherein the first cooling stream is drawn from the second stage to form a first cooling circuit and wherein the second cooling stream is drawn from a third stage to form a second cooling circuit. 10. The system of claim 1, further comprising an acid gas removal system fluidly coupled to the inlet conduit, and configured to receive the feed gas and produce the first stream. 11. The system of claim 10, wherein the acid gas removal system comprises a flue gas desulfurization system. 12. The system of claim 1, further comprising an outlet conduit in fluid communication with the housing and an absorber that is located downstream of the housing, wherein the absorber is configured to receive at least a portion of the cooled stream. 13. The system of claim 12, wherein the absorber comprises a CO2 capture system configured to produce a third stream that is substantially depleted of CO2. 14. A method of down-flow cooling of a feed gas, comprising: receiving a first stream in an upper portion of a vessel that is substantially depleted of SOx;subsequently cooling the first stream by down-flow heat exchange with a first cooling fluid and a second cooling fluid to produce a conditioned stream depleted of at least a portion of liquid condensed from the feed gas;wherein the first cooling fluid comprises at least some of a spent portion of the first cooling fluid; andwherein the second cooling stream is colder than the first cooling stream. 15. The method of claim 14, further comprising providing a mist eliminator fluidly coupled to the vessel. 16. The method of claim 14, wherein a separation device is disposed beneath the upper portion. 17. The method of claim 14, wherein the liquid comprises water. 18. The method of claim 14, further comprising discharging at least some of the portion of the liquid condensed from the feed gas from the system. 19. The method of claim 14, producing the first stream using an acid gas removal system fluidly coupled upstream of the vessel, and configured to receive the feed gas. 20. The method of claim 19, wherein the acid gas removal system comprises a flue gas desulfurization system. 21. The method of claim 14, further comprising receiving at least a portion of the conditioned stream in an absorber fluidly coupled downstream of the vessel. 22. The method of claim 21, wherein the absorber comprises a CO2 capture system configured to produce a third stream that is substantially depleted of CO2. 23. The method of claim 14, wherein the first cooling stream comprises at least some of a spent portion of the second cooling stream. 24. The method of claim 23, further comprising cooling the at least some of the spent portion prior to the at least some of the spent portion joining the first cooling stream. 25. A gas conditioning system configured for down-flow of a feed gas, comprising: a housing having an inlet conduit disposed within an upper portion and configured to receive a first stream from an acid gas removal system fluidly coupled to the inlet conduit;first and second stages disposed within the housing, wherein the first stage is disposed upstream of the second stage and includes a first cooling stream, and wherein the second stage includes a second cooling stream that is colder than the first cooling stream;a third stage disposed within the housing, wherein the third stage is disposed downstream of the second stage and includes a third cooling stream that is colder than the first cooling stream;wherein the third cooling stream comprises at least one of a portion of a spent first cooling stream and a portion of a spent second cooling stream; andwherein the housing is configured such that the first stream is cooled by down-flow heat exchange with the first, second and third cooling streams to produce a cooled stream depleted of at least a portion of liquid condensed from the first stream. 26. The system of claim 25, wherein the acid gas removal system comprises a flue gas desulfurization system, and wherein the first stream is substantially depleted of SOx. 27. The system of claim 25, wherein the housing further comprises an outlet conduit, and wherein the cooled stream is substantially depleted of SOx and exits the housing via the outlet conduit. 28. The system of claim 25, wherein the first cooling stream comprises at least some of a spent portion of the second cooling stream.
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