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Title: Continuous coarse ash depressurization system

Abstract

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.

Inventors:
; ;
Issue Date:
Research Org.:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1080427
Patent Number(s):
8308836
Application Number:
12/426,700
Assignee:
Southern Company (Birmingham, AL)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23C - METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  {A CARRIER GAS OR} AIR 
DOE Contract Number:  
FC21-90MC25140
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Liu, Guohai, Peng, Wan Wang, and Vimalchand, Pannalal. Continuous coarse ash depressurization system. United States: N. p., 2012. Web.
Liu, Guohai, Peng, Wan Wang, & Vimalchand, Pannalal. Continuous coarse ash depressurization system. United States.
Liu, Guohai, Peng, Wan Wang, and Vimalchand, Pannalal. Tue . "Continuous coarse ash depressurization system". United States. https://www.osti.gov/servlets/purl/1080427.
@article{osti_1080427,
title = {Continuous coarse ash depressurization system},
author = {Liu, Guohai and Peng, Wan Wang and Vimalchand, Pannalal},
abstractNote = {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.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 13 00:00:00 EST 2012},
month = {Tue Nov 13 00:00:00 EST 2012}
}