Continuous coarse ash depressurization system
Patent
·
OSTI ID:1080427
A system for depressurizing and cooling a high pressure, high temperature dense phase solids stream having coarse solid particles with entrained gas therein. In one aspect, the system has an apparatus for at least partially depressurizing and cooling the high pressure, high temperature dense phase solids stream having gas entrained therein and a pressure letdown device for further depressurization and separating cooled coarse solid particles from a portion of the entrained gas, resulting in a lower temperature, lower pressure outlet of solid particles for downstream processing or discharge to a storage silo for future use and/or disposal. There are no moving parts in the flow path of the solids stream in the system.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC21-90MC25140
- Assignee:
- Southern Company (Birmingham, AL)
- Patent Number(s):
- 8,308,836
- Application Number:
- 12/426,700
- OSTI ID:
- 1080427
- Country of Publication:
- United States
- Language:
- English
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